From: Oliver Schmidt 
Date: Thu, 9 May 2013 11:56:54 +0000 (+0200)
Subject: Removed (pretty inconsistently used) tab chars from source code base.
X-Git-Tag: V2.14~5
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=85885001b133e2dc320b6f6459259afa69784ca8;p=cc65
Removed (pretty inconsistently used) tab chars from source code base.
---
diff --git a/asminc/apple2.inc b/asminc/apple2.inc
index 3ef6a3725..536a1d851 100644
--- a/asminc/apple2.inc
+++ b/asminc/apple2.inc
@@ -2,39 +2,39 @@
 ;-----------------------------------------------------------------------------
 ; Zero page stuff
 
-WNDLFT  :=      $20	; Text window left
-WNDWDTH :=      $21	; Text window width
-WNDTOP  :=      $22	; Text window top
-WNDBTM  :=      $23	; Text window bottom+1
-CH      :=      $24	; Cursor horizontal position
-CV      :=      $25	; Cursor vertical position
-BASL    :=      $28	; Text base address low
-BASH    :=      $29	; Text base address high
-INVFLG  :=      $32	; Normal/inverse(/flash)
-PROMPT  :=      $33	; Used by GETLN
-RNDL    :=      $4E	; Random counter low
-RNDH    :=      $4F	; Random counter high
-HIMEM   :=      $73	; Highest available memory address+1
+WNDLFT  :=      $20     ; Text window left
+WNDWDTH :=      $21     ; Text window width
+WNDTOP  :=      $22     ; Text window top
+WNDBTM  :=      $23     ; Text window bottom+1
+CH      :=      $24     ; Cursor horizontal position
+CV      :=      $25     ; Cursor vertical position
+BASL    :=      $28     ; Text base address low
+BASH    :=      $29     ; Text base address high
+INVFLG  :=      $32     ; Normal/inverse(/flash)
+PROMPT  :=      $33     ; Used by GETLN
+RNDL    :=      $4E     ; Random counter low
+RNDH    :=      $4F     ; Random counter high
+HIMEM   :=      $73     ; Highest available memory address+1
 
 ;-----------------------------------------------------------------------------
 ; Vectors
 
-DOSWARM :=      $03D0	; DOS warmstart vector
-BRKVec  :=      $03F0	; Break vector
-SOFTEV  :=      $03F2	; Vector for warm start
-PWREDUP :=      $03F4	; This must be = EOR #$A5 of SOFTEV+1
+DOSWARM :=      $03D0   ; DOS warmstart vector
+BRKVec  :=      $03F0   ; Break vector
+SOFTEV  :=      $03F2   ; Vector for warm start
+PWREDUP :=      $03F4   ; This must be = EOR #$A5 of SOFTEV+1
 
 ;-----------------------------------------------------------------------------
 ; Hardware
 
 ; Keyboard input
-KBD     :=      $C000	; Read keyboard
-KBDSTRB :=      $C010	; Clear keyboard strobe
+KBD     :=      $C000   ; Read keyboard
+KBDSTRB :=      $C010   ; Clear keyboard strobe
 
 ; 80 column video switches
-CLR80COL:=      $C000	; Disable 80 column store
-SET80COL:=      $C001	; Enable 80 column store
-RD80COL	:=	$C018	; >127 if 80 column store enabled
+CLR80COL:=      $C000   ; Disable 80 column store
+SET80COL:=      $C001   ; Enable 80 column store
+RD80COL :=      $C018   ; >127 if 80 column store enabled
 RD80VID :=      $C01F   ; >127 if 80 column video enabled
 
 ; Character set switches
@@ -43,22 +43,22 @@ SETALTCHAR :=   $C00F   ; Norm/inv LC, no flash
 ALTCHARSET :=   $C01E   ; >127 if alt charset switched in
 
 ; Language card switches
-RDLCBNK2:=	$C011	; >127 if LC bank 2 in use
-RDLCRAM	:=	$C012	; >127 if LC is read enabled
-ROMIN	:=	$C081	; Swap in D000-FFFF ROM
-LCBANK2	:=	$C083	; Swap in LC bank 2
-LCBANK1	:=	$C08B	; Swap in LC bank 1
+RDLCBNK2:=      $C011   ; >127 if LC bank 2 in use
+RDLCRAM :=      $C012   ; >127 if LC is read enabled
+ROMIN   :=      $C081   ; Swap in D000-FFFF ROM
+LCBANK2 :=      $C083   ; Swap in LC bank 2
+LCBANK1 :=      $C08B   ; Swap in LC bank 1
 
 ; Video mode switches
-TXTCLR	:=	$C050	; Display graphics
-TXTSET	:=	$C051	; Display text
-MIXCLR  :=      $C052	; Disable 4 lines of text
-MIXSET  :=      $C053	; Enable 4 lines of text
-LOWSCR  :=      $C054	; Page 1
-HISCR   :=      $C055	; Page 2
-LORES   :=	$C056	; Lores graphics
-HIRES   :=	$C057	; Hires graphics
+TXTCLR  :=      $C050   ; Display graphics
+TXTSET  :=      $C051   ; Display text
+MIXCLR  :=      $C052   ; Disable 4 lines of text
+MIXSET  :=      $C053   ; Enable 4 lines of text
+LOWSCR  :=      $C054   ; Page 1
+HISCR   :=      $C055   ; Page 2
+LORES   :=      $C056   ; Lores graphics
+HIRES   :=      $C057   ; Hires graphics
 
 ; Game controller
-BUTN0   :=      $C061	; Open-Apple Key
-BUTN1   :=      $C062	; Closed-Apple Key
+BUTN0   :=      $C061   ; Open-Apple Key
+BUTN1   :=      $C062   ; Closed-Apple Key
diff --git a/asminc/atari.inc b/asminc/atari.inc
index 912da1b54..29159a177 100644
--- a/asminc/atari.inc
+++ b/asminc/atari.inc
@@ -8,975 +8,975 @@
 ; - Atari XL/XE rev.2 source code, Atari 1984
 ; - Mapping the Atari - revised edition, Ian Chadwick 1985
 ;
-; ##old##	old OS rev.B label - moved or deleted
-; ##1200xl##	new label introduced in 1200XL OS (rev.10/11)
-; ##rev2##	new label introduced in XL/XE OS rev.2
+; ##old##       old OS rev.B label - moved or deleted
+; ##1200xl##    new label introduced in 1200XL OS (rev.10/11)
+; ##rev2##      new label introduced in XL/XE OS rev.2
 ;-------------------------------------------------------------------------
 
 ;-------------------------------------------------------------------------
 ; Configuration Equates
 ;-------------------------------------------------------------------------
 
-MAXDEV	= 33		;offset to last possible entry of HATABS
-IOCBSZ	= 16		;length of IOCB
+MAXDEV  = 33            ;offset to last possible entry of HATABS
+IOCBSZ  = 16            ;length of IOCB
 
-SEIOCB	= 0*IOCBSZ	;##rev2## screen editor IOCB index
-MAXIOC	= 8*IOCBSZ	;first invalid IOCB index
+SEIOCB  = 0*IOCBSZ      ;##rev2## screen editor IOCB index
+MAXIOC  = 8*IOCBSZ      ;first invalid IOCB index
 
-DSCTSZ	= 128		;##rev2## disk sector size
+DSCTSZ  = 128           ;##rev2## disk sector size
 
-LEDGE	= 2		;left edge
-REDGE	= 39		;right edge
+LEDGE   = 2             ;left edge
+REDGE   = 39            ;right edge
 
-INIML	= $0700		;##rev2## initial MEMLO
+INIML   = $0700         ;##rev2## initial MEMLO
 
-ICSORG	= $CC00		;##rev2## international character set origin
-DCSORG	= $E000		;##rev2## domestic character set origin
+ICSORG  = $CC00         ;##rev2## international character set origin
+DCSORG  = $E000         ;##rev2## domestic character set origin
 
 ; IOCB Command Code Equates
 
-OPEN	= $03		;open
-GETREC	= $05		;get record
-GETCHR	= $07		;get character(s)
-PUTREC	= $09		;put record
-PUTCHR	= $0B		;put character(s)
-CLOSE	= $0C		;close
-STATIS	= $0D		;status
-SPECIL	= $0E		;special
+OPEN    = $03           ;open
+GETREC  = $05           ;get record
+GETCHR  = $07           ;get character(s)
+PUTREC  = $09           ;put record
+PUTCHR  = $0B           ;put character(s)
+CLOSE   = $0C           ;close
+STATIS  = $0D           ;status
+SPECIL  = $0E           ;special
 
 ; Special Entry Command Equates
 
 ; Screen Commands
 
-DRAWLN	= $11		;draw line
-FILLIN	= $12		;draw line with right fill
+DRAWLN  = $11           ;draw line
+FILLIN  = $12           ;draw line with right fill
 
 ; ICAX1 Auxiliary Byte 1 Equates
 
-APPEND	= $01		;open write append (D:)
-DIRECT	= $02		;open for directory access (D:)
-OPNIN	= $04		;open for input (all devices)
-OPNOT	= $08		;open for output (all devices)
-MXDMOD	= $10		;open for mixed mode (E:, S:)
-INSCLR	= $20		;open for input without clearing screen
+APPEND  = $01           ;open write append (D:)
+DIRECT  = $02           ;open for directory access (D:)
+OPNIN   = $04           ;open for input (all devices)
+OPNOT   = $08           ;open for output (all devices)
+MXDMOD  = $10           ;open for mixed mode (E:, S:)
+INSCLR  = $20           ;open for input without clearing screen
 
 ; Device Code Equates
 
-CASSET	= 'C'		;cassette
-DISK	= 'D'		;disk
-SCREDT	= 'E'		;screen editor
-KBD	= 'K'		;keyboard
-PRINTR	= 'P'		;printer
-DISPLY	= 'S'		;screen display
+CASSET  = 'C'           ;cassette
+DISK    = 'D'           ;disk
+SCREDT  = 'E'           ;screen editor
+KBD     = 'K'           ;keyboard
+PRINTR  = 'P'           ;printer
+DISPLY  = 'S'           ;screen display
 
 ; SIO Command Code Equates
 
-SIO_FORMAT   = $21	;format disk (default density)
-SIO_FORMATS  = $22	;1050: format medium density
-SIO_CONFIG   = $44	;configure drive
-SIO_CONFIGSF = $4B	;slow/fast configure drive??
-SIO_WRITE    = $50	;write sector
-SIO_READ     = $52	;read sector
-SIO_STAT     = $53	;get status information
-SIO_VERIFY   = $56	;verify sector 
-SIO_WRITEV   = $57	;write sector with verify
+SIO_FORMAT   = $21      ;format disk (default density)
+SIO_FORMATS  = $22      ;1050: format medium density
+SIO_CONFIG   = $44      ;configure drive
+SIO_CONFIGSF = $4B      ;slow/fast configure drive??
+SIO_WRITE    = $50      ;write sector
+SIO_READ     = $52      ;read sector
+SIO_STAT     = $53      ;get status information
+SIO_VERIFY   = $56      ;verify sector 
+SIO_WRITEV   = $57      ;write sector with verify
 
 ; Character and Key Code Equates
 
-CLS	= $7D		;##rev2## clear screen
-EOL	= $9B		;end of line (RETURN)
+CLS     = $7D           ;##rev2## clear screen
+EOL     = $9B           ;end of line (RETURN)
 
-HELP	= $11		;##1200xl## key code for HELP
-CNTLF1	= $83		;##1200xl## key code for CTRL-F1
-CNTLF2	= $84		;##1200xl## key code for CTRL-F2
-CNTLF3	= $93		;##1200xl## key code for CTRL-F3
-CNTLF4	= $94		;##1200xl## key code for CTRL-F4
-CNTL1	= $9F		;##1200xl## key code for CTRL-1
+HELP    = $11           ;##1200xl## key code for HELP
+CNTLF1  = $83           ;##1200xl## key code for CTRL-F1
+CNTLF2  = $84           ;##1200xl## key code for CTRL-F2
+CNTLF3  = $93           ;##1200xl## key code for CTRL-F3
+CNTLF4  = $94           ;##1200xl## key code for CTRL-F4
+CNTL1   = $9F           ;##1200xl## key code for CTRL-1
 
 ; Status Code Equates
 
-SUCCES	= 1		;($01) succesful operation
-
-BRKABT	= 128		;($80) BREAK key abort
-PRVOPN	= 129		;($81) IOCB already open error
-NONDEV	= 130		;($82) nonexistent device error
-WRONLY	= 131		;($83) IOCB opened for write only error
-NVALID	= 132		;($84) invalid command error
-NOTOPN	= 133		;($85) device/file not open error
-BADIOC	= 134		;($86) invalid IOCB index error
-RDONLY	= 135		;($87) IOCB opened for read only error
-EOFERR	= 136		;($88) end of file error
-TRNRCD	= 137		;($89) truncated record error
-TIMOUT	= 138		;($8A) peripheral device timeout error
-DNACK	= 139		;($8B) device does not acknowledge command
-FRMERR	= 140		;($8C) serial bus framing error
-CRSROR	= 141		;($8D) cursor overrange error
-OVRRUN	= 142		;($8E) serial bus data overrun error
-CHKERR	= 143		;($8F) serial bus checksum error
-DERROR	= 144		;($90) device done (operation incomplete)
-BADMOD	= 145		;($91) bad screen mode number error
-FNCNOT	= 146		;($92) function not implemented in handler
-SCRMEM	= 147		;($93) insufficient memory for screen mode
-
-DSKFMT	= 148		;($94) SpartaDOS: unrecognized disk format
-INCVER	= 149		;($95) SpartaDOS: disk was made with incompat. version
-DIRNFD	= 150		;($96) SpartaDOS: directory not found
-FEXIST	= 151		;($97) SpartaDOS: file exists
-NOTBIN	= 152		;($98) SpartaDOS: file not binary
-LSYMND	= 154		;($9A) SDX: loader symbol not defined
-BADPRM	= 156		;($9C) SDX: bad parameter
-OUTOFM	= 158		;($9E) SDX: out of memory
-INVDEV	= 160		;($A0) invalid device number
-TMOF	= 161		;($A1) too many open files
-DSKFLL	= 162		;($A2) disk full
-FATLIO	= 163		;($A3) fatal I/O error
-FNMSMT	= 164		;($A4) internal file number mismatch
-INVFNM	= 165		;($A5) invalid file name
-PDLERR	= 166		;($A6) point data length error
-EPERM	= 167		;($A7) permission denied
-DINVCM	= 168		;($A8) command invalid for disk
-DIRFLL	= 169		;($A9) directory full
-FNTFND	= 170		;($AA) file not found
-PNTINV	= 171		;($AB) point invalid
-BADDSK	= 173		;($AD) bad disk
-INCFMT	= 176		;($B0) DOS 3: incompatible file system
+SUCCES  = 1             ;($01) succesful operation
+
+BRKABT  = 128           ;($80) BREAK key abort
+PRVOPN  = 129           ;($81) IOCB already open error
+NONDEV  = 130           ;($82) nonexistent device error
+WRONLY  = 131           ;($83) IOCB opened for write only error
+NVALID  = 132           ;($84) invalid command error
+NOTOPN  = 133           ;($85) device/file not open error
+BADIOC  = 134           ;($86) invalid IOCB index error
+RDONLY  = 135           ;($87) IOCB opened for read only error
+EOFERR  = 136           ;($88) end of file error
+TRNRCD  = 137           ;($89) truncated record error
+TIMOUT  = 138           ;($8A) peripheral device timeout error
+DNACK   = 139           ;($8B) device does not acknowledge command
+FRMERR  = 140           ;($8C) serial bus framing error
+CRSROR  = 141           ;($8D) cursor overrange error
+OVRRUN  = 142           ;($8E) serial bus data overrun error
+CHKERR  = 143           ;($8F) serial bus checksum error
+DERROR  = 144           ;($90) device done (operation incomplete)
+BADMOD  = 145           ;($91) bad screen mode number error
+FNCNOT  = 146           ;($92) function not implemented in handler
+SCRMEM  = 147           ;($93) insufficient memory for screen mode
+
+DSKFMT  = 148           ;($94) SpartaDOS: unrecognized disk format
+INCVER  = 149           ;($95) SpartaDOS: disk was made with incompat. version
+DIRNFD  = 150           ;($96) SpartaDOS: directory not found
+FEXIST  = 151           ;($97) SpartaDOS: file exists
+NOTBIN  = 152           ;($98) SpartaDOS: file not binary
+LSYMND  = 154           ;($9A) SDX: loader symbol not defined
+BADPRM  = 156           ;($9C) SDX: bad parameter
+OUTOFM  = 158           ;($9E) SDX: out of memory
+INVDEV  = 160           ;($A0) invalid device number
+TMOF    = 161           ;($A1) too many open files
+DSKFLL  = 162           ;($A2) disk full
+FATLIO  = 163           ;($A3) fatal I/O error
+FNMSMT  = 164           ;($A4) internal file number mismatch
+INVFNM  = 165           ;($A5) invalid file name
+PDLERR  = 166           ;($A6) point data length error
+EPERM   = 167           ;($A7) permission denied
+DINVCM  = 168           ;($A8) command invalid for disk
+DIRFLL  = 169           ;($A9) directory full
+FNTFND  = 170           ;($AA) file not found
+PNTINV  = 171           ;($AB) point invalid
+BADDSK  = 173           ;($AD) bad disk
+INCFMT  = 176           ;($B0) DOS 3: incompatible file system
 
 ; DCB Device Bus Equates
 
-DISKID	= $31		;##rev2## disk bus ID
-PDEVN	= $40		;##rev2## printer bus ID
-CASET	= $60		;##rev2## cassette bus ID
+DISKID  = $31           ;##rev2## disk bus ID
+PDEVN   = $40           ;##rev2## printer bus ID
+CASET   = $60           ;##rev2## cassette bus ID
 
 ; Bus Command Equates
 
-FOMAT	= '!'		;##rev2## format command
-PUTSEC	= 'P'		;##rev2## put sector command
-READ	= 'R'		;##rev2## read command
-STATC	= 'S'		;##rev2## status command
-WRITE	= 'W'		;##rev2## write command
+FOMAT   = '!'           ;##rev2## format command
+PUTSEC  = 'P'           ;##rev2## put sector command
+READ    = 'R'           ;##rev2## read command
+STATC   = 'S'           ;##rev2## status command
+WRITE   = 'W'           ;##rev2## write command
 
 ; Command Auxiliary Byte Equates
 
-DOUBLE	= 'D'		;##rev2## print 20 characters double width
-NORMAL	= 'N'		;##rev2## print 40 characters normally
-PLOT	= 'P'		;##rev2## plot
-SIDWAY	= 'S'		;##rev2## print 16 characters sideways
+DOUBLE  = 'D'           ;##rev2## print 20 characters double width
+NORMAL  = 'N'           ;##rev2## print 40 characters normally
+PLOT    = 'P'           ;##rev2## plot
+SIDWAY  = 'S'           ;##rev2## print 16 characters sideways
 
 ; Bus Response Equates
 
-ACK	= 'A'		;##rev2## device acknowledged
-COMPLT	= 'C'		;##rev2## device succesfully completed operation
-ERROR	= 'E'		;##rev2## device incurred error
-NACK	= 'N'		;##rev2## device did not understand
+ACK     = 'A'           ;##rev2## device acknowledged
+COMPLT  = 'C'           ;##rev2## device succesfully completed operation
+ERROR   = 'E'           ;##rev2## device incurred error
+NACK    = 'N'           ;##rev2## device did not understand
 
 ; Floating Point Miscellaneous Equates
 
-FPREC	= 6		;precision
+FPREC   = 6             ;precision
 
-FMPREC	= FPREC-1	;##rev2## length of mantissa
+FMPREC  = FPREC-1       ;##rev2## length of mantissa
 
 ; Cassette Record Type Equates
 
-HDR	= $FB		;##rev2## header
-DTA	= $FC		;##rev2## data record
-DT1	= $FA		;##rev2## last data record
-EOT	= $FE		;##rev2## end of tape (file)
+HDR     = $FB           ;##rev2## header
+DTA     = $FC           ;##rev2## data record
+DT1     = $FA           ;##rev2## last data record
+EOT     = $FE           ;##rev2## end of tape (file)
 
-TONE1	= 2		;##rev2## record
-TONE2	= 1		;##rev2## playback
+TONE1   = 2             ;##rev2## record
+TONE2   = 1             ;##rev2## playback
 
 ; Cassette Timing Equates
 
-WLEADN	= 1152		;##rev2## NTSC 19.2 second WRITE file leader
-RLEADN	= 576		;##rev2## NTSC 9.6 second READ file leader
-WIRGLN	= 180		;##rev2## NTSC 3.0 second WRITE IRG
-RIRGLN	= 120		;##rev2## NTSC 2.0 second READ IRG
-WSIRGN	= 15		;##rev2## NTSC 0.25 second WRITE short IRG
-RSIRGN	= 10		;##rev2## NTSC 0.16 second READ short IRG
-BEEPNN	= 30		;##rev2## NTSC 0.5 second beep duration
-BEEPFN	= 10		;##rev2## NTSC 0.16 seconrd beep duration
-
-WLEADP	= 960		;##rev2## PAL 19.2 second WRITE file leader
-RLEADP	= 480		;##rev2## PAL 9.6 second READ file leader
-WIRGLP	= 150		;##rev2## PAL 3.0 second WRITE IRG
-RIRGLP	= 100		;##rev2## PAL 2.0 second READ IRG
-WSIRGP	= 13		;##rev2## PAL 0.25 second WRITE short IRG
-RSIRGP	= 8		;##rev2## PAL 0.16 second READ short IRG
-BEEPNP	= 25		;##rev2## PAL 0.5 second beep duration
-BEEPFP	= 8		;##rev2## PAL 0.16 seconrd beep duration
-
-WIRGHI	= 0		;##rev2## high WRITE IRG
-RIRGHI	= 0		;##rev2## high READ IRG
+WLEADN  = 1152          ;##rev2## NTSC 19.2 second WRITE file leader
+RLEADN  = 576           ;##rev2## NTSC 9.6 second READ file leader
+WIRGLN  = 180           ;##rev2## NTSC 3.0 second WRITE IRG
+RIRGLN  = 120           ;##rev2## NTSC 2.0 second READ IRG
+WSIRGN  = 15            ;##rev2## NTSC 0.25 second WRITE short IRG
+RSIRGN  = 10            ;##rev2## NTSC 0.16 second READ short IRG
+BEEPNN  = 30            ;##rev2## NTSC 0.5 second beep duration
+BEEPFN  = 10            ;##rev2## NTSC 0.16 seconrd beep duration
+
+WLEADP  = 960           ;##rev2## PAL 19.2 second WRITE file leader
+RLEADP  = 480           ;##rev2## PAL 9.6 second READ file leader
+WIRGLP  = 150           ;##rev2## PAL 3.0 second WRITE IRG
+RIRGLP  = 100           ;##rev2## PAL 2.0 second READ IRG
+WSIRGP  = 13            ;##rev2## PAL 0.25 second WRITE short IRG
+RSIRGP  = 8             ;##rev2## PAL 0.16 second READ short IRG
+BEEPNP  = 25            ;##rev2## PAL 0.5 second beep duration
+BEEPFP  = 8             ;##rev2## PAL 0.16 seconrd beep duration
+
+WIRGHI  = 0             ;##rev2## high WRITE IRG
+RIRGHI  = 0             ;##rev2## high READ IRG
 
 ; Power-up Validation Byte Value Equates
 
-PUPVL1	= $5C		;##rev2## power-up validation value 1
-PUPVL2	= $93		;##rev2## power-up validation value 2
-PUPVL3	= $25		;##rev2## power-up validation value 3
+PUPVL1  = $5C           ;##rev2## power-up validation value 1
+PUPVL2  = $93           ;##rev2## power-up validation value 2
+PUPVL3  = $25           ;##rev2## power-up validation value 3
 
 ; Relocating Loader Miscellaneous Equates
 
-DATAER	= 156		;##rev2## end of record appears before END
-MEMERR	= 157		;##rev2## memory insufficient for load error
+DATAER  = 156           ;##rev2## end of record appears before END
+MEMERR  = 157           ;##rev2## memory insufficient for load error
 
 ; Miscellaneous Equates
 
-IOCFRE	= $FF		;IOCB free indication
+IOCFRE  = $FF           ;IOCB free indication
 
-B19200	= $0028		;##rev2## 19200 baud POKEY counter value
-B00600	= $05CC		;##rev2## 600 baud POKEY counter value
+B19200  = $0028         ;##rev2## 19200 baud POKEY counter value
+B00600  = $05CC         ;##rev2## 600 baud POKEY counter value
 
-HITONE	= $05		;##rev2## FSK high freq. POKEY counter value
-LOTONE	= $07		;##rev2## FSK low freq. POKEY counter value
+HITONE  = $05           ;##rev2## FSK high freq. POKEY counter value
+LOTONE  = $07           ;##rev2## FSK low freq. POKEY counter value
 
-NCOMLO	= $34		;##rev2## PIA lower NOT COMMAND line command
-NCOMHI	= $3C		;##rev2## PIA raise NOT COMMAND line command
+NCOMLO  = $34           ;##rev2## PIA lower NOT COMMAND line command
+NCOMHI  = $3C           ;##rev2## PIA raise NOT COMMAND line command
 
-MOTRGO	= $34		;##rev2## PIA cassette motor ON command
-MOTRST	= $3C		;##rev2## PIA cassette motor OFF command
+MOTRGO  = $34           ;##rev2## PIA cassette motor ON command
+MOTRST  = $3C           ;##rev2## PIA cassette motor OFF command
 
-NODAT	= $00		;##rev2## SIO immediate operation
-GETDAT	= $40		;##rev2## SIO read data frame
-PUTDAT	= $80		;##rev2## SIO write data frame
+NODAT   = $00           ;##rev2## SIO immediate operation
+GETDAT  = $40           ;##rev2## SIO read data frame
+PUTDAT  = $80           ;##rev2## SIO write data frame
 
-CRETRI	= 13		;##rev2## number of command frame retries
-DRETRI	= 1		;##rev2## number of device retries
-CTIM	= 2		;##rev2## command frame ACK timeout
+CRETRI  = 13            ;##rev2## number of command frame retries
+DRETRI  = 1             ;##rev2## number of device retries
+CTIM    = 2             ;##rev2## command frame ACK timeout
 
-NBUFSZ	= 40		;##rev2## print normal buffer size
-DBUFSZ	= 20		;##rev2## print double buffer size
-SBUFSZ	= 29		;##rev2## print sideways buffer size
+NBUFSZ  = 40            ;##rev2## print normal buffer size
+DBUFSZ  = 20            ;##rev2## print double buffer size
+SBUFSZ  = 29            ;##rev2## print sideways buffer size
 
 ;-------------------------------------------------------------------------
 ; Page Zero Address Equates
 ;-------------------------------------------------------------------------
 
-LINZBS	= $00		;LINBUG RAM (WILL BE REPLACED BY MONITOR RAM)
-LNFLG	= $00		;##1200xl## 1-byte LNBUG flag (0 = not LNBUG)
-NGFLAG	= $01		;##1200xl## 1-byte memory status (0 = failure)
+LINZBS  = $00           ;LINBUG RAM (WILL BE REPLACED BY MONITOR RAM)
+LNFLG   = $00           ;##1200xl## 1-byte LNBUG flag (0 = not LNBUG)
+NGFLAG  = $01           ;##1200xl## 1-byte memory status (0 = failure)
 
 ; Not Cleared
 
-CASINI	= $02		;CASSETTE INIT LOCATION
-RAMLO	= $04		;RAM POINTER FOR MEMORY TEST
-TRAMSZ	= $06		;TEMPORARY REGISTER FOR RAM SIZE
-;TSTDAT	= $07		;##old## RAM TEST DATA REGISTER
-CMCMD	= $07		;##rev2## 1-byte command communications
+CASINI  = $02           ;CASSETTE INIT LOCATION
+RAMLO   = $04           ;RAM POINTER FOR MEMORY TEST
+TRAMSZ  = $06           ;TEMPORARY REGISTER FOR RAM SIZE
+;TSTDAT = $07           ;##old## RAM TEST DATA REGISTER
+CMCMD   = $07           ;##rev2## 1-byte command communications
 
 ; Cleared upon Coldstart only
 
-WARMST	= $08		;WARM START FLAG
-BOOTQ	= $09		;SUCCESSFUL BOOT FLAG
-DOSVEC	= $0A		;DISK SOFTWARE START VECTOR
-DOSINI	= $0C		;DISK SOFTWARE INIT ADDRESS
-APPMHI	= $0E		;APPLICATIONS MEMORY HI LIMIT
+WARMST  = $08           ;WARM START FLAG
+BOOTQ   = $09           ;SUCCESSFUL BOOT FLAG
+DOSVEC  = $0A           ;DISK SOFTWARE START VECTOR
+DOSINI  = $0C           ;DISK SOFTWARE INIT ADDRESS
+APPMHI  = $0E           ;APPLICATIONS MEMORY HI LIMIT
 
 ; Cleared upon Coldstart or Warmstart
 
-INTZBS	= $10		;INTERRUPT HANDLER
-
-POKMSK	= $10		;SYSTEM MASK FOR POKEY IRG ENABLE
-BRKKEY	= $11		;BREAK KEY FLAG
-RTCLOK	= $12		;REAL TIME CLOCK (IN 16 MSEC UNITS>
-BUFADR	= $15		;INDIRECT BUFFER ADDRESS REGISTER
-ICCOMT	= $17		;COMMAND FOR VECTOR
-DSKFMS	= $18		;DISK FILE MANAGER POINTER
-DSKUTL	= $1A		;DISK UTILITIES POINTER
-ABUFPT	= $1C		;##1200xl## 4-byte ACMI buffer pointer area
-
-;PTIMOT	= $1C		;##old## PRINTER TIME OUT REGISTER
-;PBPNT	= $1D		;##old## PRINT BUFFER POINTER
-;PBUFSZ	= $1E		;##old## PRINT BUFFER SIZE
-;PTEMP	= $1F		;##old## TEMPORARY REGISTER
-
-ZIOCB	= $20		;ZERO PAGE I/O CONTROL BLOCK
-IOCBAS	= $20		;16-byte page zero IOCB
-ICHIDZ	= $20		;HANDLER INDEX NUMBER (FF = IOCB FREE)
-ICDNOZ	= $21		;DEVICE NUMBER (DRIVE NUMBER)
-ICCOMZ	= $22		;COMMAND CODE
-ICSTAZ	= $23		;STATUS OF LAST IOCB ACTION
-ICBALZ	= $24		;BUFFER ADDRESS LOW BYTE
-ICBAHZ	= $25		;1-byte high buffer address
-ICPTLZ	= $26		;PUT BYTE ROUTINE ADDRESS -1
-ICPTHZ	= $27		;1-byte high PUT-BYTE routine address
-ICBLLZ	= $28		;BUFFER LENGTH LOW BYTE
-ICBLHZ	= $29		;1-byte high buffer length
-ICAX1Z	= $2A		;AUXILIARY INFORMATION FIRST BYTE
-ICAX2Z	= $2B		;1-byte second auxiliary information
-ICSPRZ	= $2C		;4-byte spares
-
-ENTVEC	= $2C		;##rev2## 2-byte (not used)
-ICIDNO	= $2E		;IOCB NUMBER X 16
-CIOCHR	= $2F		;CHARACTER BYTE FOR CURRENT OPERATION
-
-STATUS	= $30		;INTERNAL STATUS STORAGE
-CHKSUM	= $31		;CHECKSUM (SINGLE BYTE SUM WITH CARRY)
-BUFRLO	= $32		;POINTER TO DATA BUFFER (LO BYTE)
-BUFRHI	= $33		;POINTER TO DATA BUFFER (HI BYTE)
-BFENLO	= $34		;NEXT BYTE PAST END OF THE DATA BUFFER LO
-BFENHI	= $35		;NEXT BYTE PAST END OF THE DATA BUFFER HI
-;CRETRY	= $36		;##old## NUMBER OF COMMAND FRAME RETRIES
-;DRETRY	= $37		;##old## NUMBER OF DEVICE RETRIES
-LTEMP	= $36		;##1200xl## 2-byte loader temporary
-BUFRFL	= $38		;DATA BUFFER FULL FLAG
-RECVDN	= $39		;RECEIVE DONE FLAG
-XMTDON	= $3A		;TRANSMISSION DONE FLAG
-CHKSNT	= $3B		;CHECKSUM SENT FLAG
-NOCKSM	= $3C		;NO CHECKSUM FOLLOWS DATA FLAG
-BPTR	= $3D		;1-byte cassette buffer pointer
-FTYPE	= $3E		;1-byte cassette IRG type
-FEOF	= $3F		;1-byte cassette EOF flag (0 = quiet)
-FREQ	= $40		;1-byte cassette beep counter
-SOUNDR	= $41		;NOISY I/0 FLAG. (ZERO IS QUIET)
-
-CRITIC	= $42		;DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
-
-FMSZPG	= $43		;DISK FILE MANAGER SYSTEM ZERO PAGE
-
-;CKEY	= $4A		;##old## FLAG SET WHEN GAME START PRESSED
-ZCHAIN	= $4A		;##1200xl## 2-byte handler linkage chain pointer
-;CASSBT	= $4B		;##old## CASSETTE BOOT FLAG
-DSTAT	= $4C		;DISPLAY STATUS
-ATRACT	= $4D		;ATRACT FLAG
-DRKMSK	= $4E		;DARK ATRACT MASK
-COLRSH	= $4F		;ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD
-
-
-TMPCHR	= $50		;1-byte temporary character
-HOLD1	= $51		;1-byte temporary
-LMARGN	= $52		;left margin (normally 2, cc65 C startup code sets it to 0)
-RMARGN	= $53		;right margin (normally 39 if no XEP80 is used)
-ROWCRS	= $54		;1-byte cursor row
-COLCRS	= $55		;2-byte cursor column
-DINDEX	= $57		;1-byte display mode
-SAVMSC	= $58		;2-byte saved memory scan counter
-OLDROW	= $5A		;1-byte prior row
-OLDCOL	= $5B		;2-byte prior column
-OLDCHR	= $5D		;DATA UNDER CURSOR
-OLDADR	= $5E		;2-byte saved cursor memory address
-FKDEF	= $60		;##1200xl## 2-byte function key definition table
-;NEWROW	= $60		;##old## POINT DRAW GOES TO
-;NEWCOL	= $61		;##old##
-PALNTS	= $62		;##1200xl## 1-byte PAL/NTSC indicator (0 = NTSC)
-LOGCOL	= $63		;POINTS AT COLUMN IN LOGICAL LINE
-ADRESS	= $64		;2-byte temporary address
-
-MLTTMP	= $66		;1-byte temporary
-OPNTMP	= $66		;FIRST BYTE IS USED IN OPEN AS TEMP
-TOADR	= $66		;##rev2## 2-byte destination address
-
-SAVADR	= $68		;2-byte saved address
-FRMADR	= $68		;##rev2## 2-byte source address
-
-RAMTOP	= $6A		;RAM SIZE DEFINED BY POWER ON LOGIC
-BUFCNT	= $6B		;BUFFER COUNT
-BUFSTR	= $6C		;EDITOR GETCH POINTER
-BITMSK	= $6E		;BIT MASK
-SHFAMT	= $6F		;1-byte shift amount for pixel justifucation
-ROWAC	= $70		;2-byte draw working row
-COLAC	= $72		;2-byte draw working column
-ENDPT	= $74		;2-byte end point
-DELTAR	= $76		;1-byte row difference
-DELTAC	= $77		;2-byte column difference
-KEYDEF	= $79		;##1200xl## 2-byte key definition table address
-;ROWINC	= $79		;##old##
-;COLINC	= $7A		;##old##
-SWPFLG	= $7B		;NON-0 1F TXT AND REGULAR RAM IS SWAPPED
-HOLDCH	= $7C		;CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH
-INSDAT	= $7D		;1-byte temporary
-COUNTR	= $7E		;2-byte draw iteration count
+INTZBS  = $10           ;INTERRUPT HANDLER
+
+POKMSK  = $10           ;SYSTEM MASK FOR POKEY IRG ENABLE
+BRKKEY  = $11           ;BREAK KEY FLAG
+RTCLOK  = $12           ;REAL TIME CLOCK (IN 16 MSEC UNITS>
+BUFADR  = $15           ;INDIRECT BUFFER ADDRESS REGISTER
+ICCOMT  = $17           ;COMMAND FOR VECTOR
+DSKFMS  = $18           ;DISK FILE MANAGER POINTER
+DSKUTL  = $1A           ;DISK UTILITIES POINTER
+ABUFPT  = $1C           ;##1200xl## 4-byte ACMI buffer pointer area
+
+;PTIMOT = $1C           ;##old## PRINTER TIME OUT REGISTER
+;PBPNT  = $1D           ;##old## PRINT BUFFER POINTER
+;PBUFSZ = $1E           ;##old## PRINT BUFFER SIZE
+;PTEMP  = $1F           ;##old## TEMPORARY REGISTER
+
+ZIOCB   = $20           ;ZERO PAGE I/O CONTROL BLOCK
+IOCBAS  = $20           ;16-byte page zero IOCB
+ICHIDZ  = $20           ;HANDLER INDEX NUMBER (FF = IOCB FREE)
+ICDNOZ  = $21           ;DEVICE NUMBER (DRIVE NUMBER)
+ICCOMZ  = $22           ;COMMAND CODE
+ICSTAZ  = $23           ;STATUS OF LAST IOCB ACTION
+ICBALZ  = $24           ;BUFFER ADDRESS LOW BYTE
+ICBAHZ  = $25           ;1-byte high buffer address
+ICPTLZ  = $26           ;PUT BYTE ROUTINE ADDRESS -1
+ICPTHZ  = $27           ;1-byte high PUT-BYTE routine address
+ICBLLZ  = $28           ;BUFFER LENGTH LOW BYTE
+ICBLHZ  = $29           ;1-byte high buffer length
+ICAX1Z  = $2A           ;AUXILIARY INFORMATION FIRST BYTE
+ICAX2Z  = $2B           ;1-byte second auxiliary information
+ICSPRZ  = $2C           ;4-byte spares
+
+ENTVEC  = $2C           ;##rev2## 2-byte (not used)
+ICIDNO  = $2E           ;IOCB NUMBER X 16
+CIOCHR  = $2F           ;CHARACTER BYTE FOR CURRENT OPERATION
+
+STATUS  = $30           ;INTERNAL STATUS STORAGE
+CHKSUM  = $31           ;CHECKSUM (SINGLE BYTE SUM WITH CARRY)
+BUFRLO  = $32           ;POINTER TO DATA BUFFER (LO BYTE)
+BUFRHI  = $33           ;POINTER TO DATA BUFFER (HI BYTE)
+BFENLO  = $34           ;NEXT BYTE PAST END OF THE DATA BUFFER LO
+BFENHI  = $35           ;NEXT BYTE PAST END OF THE DATA BUFFER HI
+;CRETRY = $36           ;##old## NUMBER OF COMMAND FRAME RETRIES
+;DRETRY = $37           ;##old## NUMBER OF DEVICE RETRIES
+LTEMP   = $36           ;##1200xl## 2-byte loader temporary
+BUFRFL  = $38           ;DATA BUFFER FULL FLAG
+RECVDN  = $39           ;RECEIVE DONE FLAG
+XMTDON  = $3A           ;TRANSMISSION DONE FLAG
+CHKSNT  = $3B           ;CHECKSUM SENT FLAG
+NOCKSM  = $3C           ;NO CHECKSUM FOLLOWS DATA FLAG
+BPTR    = $3D           ;1-byte cassette buffer pointer
+FTYPE   = $3E           ;1-byte cassette IRG type
+FEOF    = $3F           ;1-byte cassette EOF flag (0 = quiet)
+FREQ    = $40           ;1-byte cassette beep counter
+SOUNDR  = $41           ;NOISY I/0 FLAG. (ZERO IS QUIET)
+
+CRITIC  = $42           ;DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
+
+FMSZPG  = $43           ;DISK FILE MANAGER SYSTEM ZERO PAGE
+
+;CKEY   = $4A           ;##old## FLAG SET WHEN GAME START PRESSED
+ZCHAIN  = $4A           ;##1200xl## 2-byte handler linkage chain pointer
+;CASSBT = $4B           ;##old## CASSETTE BOOT FLAG
+DSTAT   = $4C           ;DISPLAY STATUS
+ATRACT  = $4D           ;ATRACT FLAG
+DRKMSK  = $4E           ;DARK ATRACT MASK
+COLRSH  = $4F           ;ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD
+
+
+TMPCHR  = $50           ;1-byte temporary character
+HOLD1   = $51           ;1-byte temporary
+LMARGN  = $52           ;left margin (normally 2, cc65 C startup code sets it to 0)
+RMARGN  = $53           ;right margin (normally 39 if no XEP80 is used)
+ROWCRS  = $54           ;1-byte cursor row
+COLCRS  = $55           ;2-byte cursor column
+DINDEX  = $57           ;1-byte display mode
+SAVMSC  = $58           ;2-byte saved memory scan counter
+OLDROW  = $5A           ;1-byte prior row
+OLDCOL  = $5B           ;2-byte prior column
+OLDCHR  = $5D           ;DATA UNDER CURSOR
+OLDADR  = $5E           ;2-byte saved cursor memory address
+FKDEF   = $60           ;##1200xl## 2-byte function key definition table
+;NEWROW = $60           ;##old## POINT DRAW GOES TO
+;NEWCOL = $61           ;##old##
+PALNTS  = $62           ;##1200xl## 1-byte PAL/NTSC indicator (0 = NTSC)
+LOGCOL  = $63           ;POINTS AT COLUMN IN LOGICAL LINE
+ADRESS  = $64           ;2-byte temporary address
+
+MLTTMP  = $66           ;1-byte temporary
+OPNTMP  = $66           ;FIRST BYTE IS USED IN OPEN AS TEMP
+TOADR   = $66           ;##rev2## 2-byte destination address
+
+SAVADR  = $68           ;2-byte saved address
+FRMADR  = $68           ;##rev2## 2-byte source address
+
+RAMTOP  = $6A           ;RAM SIZE DEFINED BY POWER ON LOGIC
+BUFCNT  = $6B           ;BUFFER COUNT
+BUFSTR  = $6C           ;EDITOR GETCH POINTER
+BITMSK  = $6E           ;BIT MASK
+SHFAMT  = $6F           ;1-byte shift amount for pixel justifucation
+ROWAC   = $70           ;2-byte draw working row
+COLAC   = $72           ;2-byte draw working column
+ENDPT   = $74           ;2-byte end point
+DELTAR  = $76           ;1-byte row difference
+DELTAC  = $77           ;2-byte column difference
+KEYDEF  = $79           ;##1200xl## 2-byte key definition table address
+;ROWINC = $79           ;##old##
+;COLINC = $7A           ;##old##
+SWPFLG  = $7B           ;NON-0 1F TXT AND REGULAR RAM IS SWAPPED
+HOLDCH  = $7C           ;CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH
+INSDAT  = $7D           ;1-byte temporary
+COUNTR  = $7E           ;2-byte draw iteration count
 
 ; Floating Point Package Page Zero Address Equates
 
-FR0	= $D4		;6-byte register 0
-FR0M	= $D5		;##rev2## 5-byte register 0 mantissa
-QTEMP	= $D9		;##rev2## 1-byte temporary
+FR0     = $D4           ;6-byte register 0
+FR0M    = $D5           ;##rev2## 5-byte register 0 mantissa
+QTEMP   = $D9           ;##rev2## 1-byte temporary
 
-FRE	= $DA		;6-byte (internal) register E
+FRE     = $DA           ;6-byte (internal) register E
 
-FR1	= $E0		;FP REG1
-FR1M	= $E1		;##rev2## 5-byte register 1 mantissa
+FR1     = $E0           ;FP REG1
+FR1M    = $E1           ;##rev2## 5-byte register 1 mantissa
 
-FR2	= $E6		;6-byte (internal) register 2
+FR2     = $E6           ;6-byte (internal) register 2
 
-FRX	= $EC		;1-byte temporary
+FRX     = $EC           ;1-byte temporary
 
-EEXP	= $ED		;VALUE OF E
+EEXP    = $ED           ;VALUE OF E
 
-FRSIGN	= $EE		;##rev2## 1-byte floating point sign
-NSIGN	= $EE		;SIGN OF #
+FRSIGN  = $EE           ;##rev2## 1-byte floating point sign
+NSIGN   = $EE           ;SIGN OF #
 
-PLYCNT	= $EF		;##rev2## 1-byte polynomial degree
-ESIGN	= $EF		;SIGN OF EXPONENT
+PLYCNT  = $EF           ;##rev2## 1-byte polynomial degree
+ESIGN   = $EF           ;SIGN OF EXPONENT
 
-SGNFLG	= $F0		;##rev2## 1-byte sign flag
-FCHRFLG	= $F0		;1ST CHAR FLAG
+SGNFLG  = $F0           ;##rev2## 1-byte sign flag
+FCHRFLG = $F0           ;1ST CHAR FLAG
 
-XFMFLG	= $F1		;##rev2## 1-byte transform flag
-DIGRT	= $F1		;# OF DIGITS RIGHT OF DECIMAL
+XFMFLG  = $F1           ;##rev2## 1-byte transform flag
+DIGRT   = $F1           ;# OF DIGITS RIGHT OF DECIMAL
 
-CIX	= $F2		;CURRENT INPUT INDEX
-INBUFF	= $F3		;POINTS TO USER'S LINE INPUT BUFFER
+CIX     = $F2           ;CURRENT INPUT INDEX
+INBUFF  = $F3           ;POINTS TO USER'S LINE INPUT BUFFER
 
-ZTEMP1	= $F5		;2-byte temporary
-ZTEMP4	= $F7		;2-byte temporary
-ZTEMP3	= $F9		;2-byte temporary
+ZTEMP1  = $F5           ;2-byte temporary
+ZTEMP4  = $F7           ;2-byte temporary
+ZTEMP3  = $F9           ;2-byte temporary
 
-;DEGFLG	= $FB		;##old## same as RADFLG
-;RADFLG	= $FB		;##old## 0=RADIANS, 6=DEGREES
+;DEGFLG = $FB           ;##old## same as RADFLG
+;RADFLG = $FB           ;##old## 0=RADIANS, 6=DEGREES
 
-FLPTR	= $FC		;2-byte floating point number pointer
-FPTR2	= $FE		;2-byte floating point number pointer
+FLPTR   = $FC           ;2-byte floating point number pointer
+FPTR2   = $FE           ;2-byte floating point number pointer
 
 ;-------------------------------------------------------------------------
 ; Page Two Address Equates
 ;-------------------------------------------------------------------------
 
-INTABS	= $0200		;INTERRUPT RAM
-
-VDSLST	= $0200		;DISPLAY LIST NMI VECTOR
-VPRCED	= $0202		;PROCEED LINE IRQ VECTOR
-VINTER	= $0204		;INTERRUPT LINE IRQ VECTOR
-VBREAK	= $0206		;SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
-VKEYBD	= $0208		;POKEY KEYBOARD IRQ VECTOR
-VSERIN	= $020A		;POKEY SERIAL INPUT READY IRQ
-VSEROR	= $020C		;POKEY SERIAL OUTPUT READY IRQ
-VSEROC	= $020E		;POKEY SERIAL OUTPUT COMPLETE IRQ
-VTIMR1	= $0210		;POKEY TIMER 1 IRG
-VTIMR2	= $0212		;POKEY TIMER 2 IRG
-VTIMR4	= $0214		;POKEY TIMER 4 IRG
-VIMIRQ	= $0216		;IMMEDIATE IRG VECTOR
-CDTMV1	= $0218		;COUNT DOWN TIMER 1
-CDTMV2	= $021A		;COUNT DOWN TIMER 2
-CDTMV3	= $021C		;COUNT DOWN TIMER 3
-CDTMV4	= $021E		;COUNT DOWN TIMER 4
-CDTMV5	= $0220		;COUNT DOWN TIMER 5
-VVBLKI	= $0222		;IMMEDIATE VERTICAL BLANK NMI VECTOR
-VVBLKD	= $0224		;DEFERRED VERTICAL BLANK NMI VECTOR
-CDTMA1	= $0226		;COUNT DOWN TIMER 1 JSR ADDRESS
-CDTMA2	= $0228		;COUNT DOWN TIMER 2 JSR ADDRESS
-CDTMF3	= $022A		;COUNT DOWN TIMER 3 FLAG
-SRTIMR	= $022B		;SOFTWARE REPEAT TIMER
-CDTMF4	= $022C		;COUNT DOWN TIMER 4 FLAG
-INTEMP	= $022D		;IAN'S TEMP
-CDTMF5	= $022E		;COUNT DOWN TIMER FLAG 5
-SDMCTL	= $022F		;SAVE DMACTL REGISTER
-SDLSTL	= $0230		;SAVE DISPLAY LIST LOW BYTE
-SDLSTH	= $0231		;SAVE DISPLAY LIST HI BYTE
-SSKCTL	= $0232		;SKCTL REGISTER RAM
-LCOUNT	= $0233		;##1200xl## 1-byte relocating loader record
-LPENH	= $0234		;LIGHT PEN HORIZONTAL VALUE
-LPENV	= $0235		;LIGHT PEN VERTICAL VALUE
-BRKKY	= $0236		;BREAK KEY VECTOR
-;RELADR	= $0238		;##1200xl## 2-byte relocatable loader address
-VPIRQ	= $0238		;##rev2## 2-byte parallel device IRQ vector
-CDEVIC	= $023A		;COMMAND FRAME BUFFER - DEVICE
-CCOMND	= $023B		;COMMAND
-CAUX1	= $023C		;COMMAND AUX BYTE 1
-CAUX2	= $023D		;COMMAND AUX BYTE 2
-
-TEMP	= $023E		;TEMPORARY RAM CELL
-
-ERRFLG	= $023F		;ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
-
-DFLAGS	= $0240		;DISK FLAGS FROM SECTOR ONE
-DBSECT	= $0241		;NUMBER OF DISK BOOT SECTORS
-BOOTAD	= $0242		;ADDRESS WHERE DISK BOOT LOADER WILL BE PUT
-COLDST	= $0244		;COLDSTART FLAG (1=IN MIDDLE OF COLDSTART>
-RECLEN	= $0245		;##1200xl## 1-byte relocating loader record length
-DSKTIM	= $0246		;DISK TIME OUT REGISTER
-;LINBUF	= $0247		;##old## CHAR LINE BUFFER
-PDVMSK	= $0247		;##rev2## 1-byte parallel device selection mask
-SHPDVS	= $0248		;##rev2## 1-byte PDVS (parallel device select)
-PDIMSK	= $0249		;##rev2## 1-byte parallel device IRQ selection
-RELADR	= $024A		;##rev2## 2-byte relocating loader relative adr.
-PPTMPA	= $024C		;##rev2## 1-byte parallel device handler temporary
-PPTMPX	= $024D		;##rev2## 1-byte parallel device handler temporary
-
-CHSALT	= $026B		;##1200xl## 1-byte character set alternate
-VSFLAG	= $026C		;##1200xl## 1-byte fine vertical scroll count
-KEYDIS	= $026D		;##1200xl## 1-byte keyboard disable
-FINE	= $026E		;##1200xl## 1-byte fine scrolling mode
-GPRIOR	= $026F		;GLOBAL PRIORITY CELL
-
-PADDL0	= $0270		;1-byte potentiometer 0
-PADDL1	= $0271		;1-byte potentiometer 1
-PADDL2	= $0272		;1-byte potentiometer 2
-PADDL3	= $0273		;1-byte potentiometer 3
-PADDL4	= $0274		;1-byte potentiometer 4
-PADDL5	= $0275		;1-byte potentiometer 5
-PADDL6	= $0276		;1-byte potentiometer 6
-PADDL7	= $0277		;1-byte potentiometer 7
-
-STICK0	= $0278		;1-byte joystick 0
-STICK1	= $0279		;1-byte joystick 1
-STICK2	= $027A		;1-byte joystick 2
-STICK3	= $027B		;1-byte joystick 3
-
-PTRIG0	= $027C		;1-byte paddle trigger 0
-PTRIG1	= $027D		;1-byte paddle trigger 1
-PTRIG2	= $027E		;1-byte paddle trigger 2
-PTRIG3	= $027F		;1-byte paddle trigger 3
-PTRIG4	= $0280		;1-byte paddle trigger 4
-PTRIG5	= $0281		;1-byte paddle trigger 5
-PTRIG6	= $0281		;1-byte paddle trigger 6
-PTRIG7	= $0283		;1-byte paddle trigger 7
-
-STRIG0	= $0284		;1-byte joystick trigger 0
-STRIG1	= $0285		;1-byte joystick trigger 1
-STRIG2	= $0286		;1-byte joystick trigger 2
-STRIG3	= $0287		;1-byte joystick trigger 3
-
-;CSTAT	= $0288		;##old## cassette status register
-HIBYTE	= $0288		;##1200xl## 1-byte relocating loader high byte
-WMODE	= $0289		;1-byte cassette WRITE mode
-BLIM	= $028A		;1-byte cassette buffer limit
-IMASK	= $028B		;##rev2## (not used)
-JVECK	= $028C		;2-byte jump vector or temporary
-NEWADR	= $028E		;##1200xl## 2-byte relocating address
-TXTROW	= $0290		;TEXT ROWCRS
-TXTCOL	= $0291		;TEXT COLCRS
-TINDEX	= $0293		;TEXT INDEX
-TXTMSC	= $0294		;FOOLS CONVRT INTO NEW MSC
-TXTOLD	= $0296		;OLDROW & OLDCOL FOR TEXT (AND THEN SOME)
-;TMPX1	= $029C		;##old## 1-byte temporary register
-CRETRY	= $029C		;##1200xl## 1-byte number of command frame retries
-HOLD3	= $029D		;1-byte temporary
-SUBTMP	= $029E		;1-byte temporary
-HOLD2	= $029F		;1-byte (not used)
-DMASK	= $02A0		;1-byte display (pixel location) mask
-TMPLBT	= $02A1		;1-byte (not used)
-ESCFLG	= $02A2		;ESCAPE FLAG
-TABMAP	= $02A3		;15-byte (120 bit) tab stop bit map
-LOGMAP	= $02B2		;LOGICAL LINE START BIT MAP
-INVFLG	= $02B6		;INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY)
-FILFLG	= $02B7		;RIGHT FILL FLAG FOR DRAW
-TMPROW	= $02B8		;1-byte temporary row
-TMPCOL	= $02B9		;2-byte temporary column
-SCRFLG	= $02BB		;SET IF SCROLL OCCURS
-HOLD4	= $02BC		;TEMP CELL USED IN DRAW ONLY
-;HOLD5	= $02BD		;##old## DITTO
-DRETRY	= $02BD		;##1200xl## 1-byte number of device retries
-SHFLOK	= $02BE		;1-byte shift/control lock flags
-BOTSCR	= $02BF		;BOTTOM OF SCREEN   24 NORM 4 SPLIT
-
-PCOLR0	= $02C0		;1-byte player-missile 0 color/luminance
-PCOLR1	= $02C1		;1-byte player-missile 1 color/luminance
-PCOLR2	= $02C2		;1-byte player-missile 2 color/luminance
-PCOLR3	= $02C3		;1-byte player-missile 3 color/luminance
-
-COLOR0	= $02C4		;1-byte playfield 0 color/luminance
-COLOR1	= $02C5		;1-byte playfield 1 color/luminance
-COLOR2	= $02C6		;1-byte playfield 2 color/luminance
-COLOR3	= $02C7		;1-byte playfield 3 color/luminance
-
-COLOR4	= $02C8		;1-byte background color/luminance
-
-PARMBL	= $02C9		;##rev2## 6-byte relocating loader parameter
-RUNADR	= $02C9		;##1200xl## 2-byte run address
-HIUSED	= $02CB		;##1200xl## 2-byte highest non-zero page address
-ZHIUSE	= $02CD		;##1200xl## 2-byte highest zero page address
-
-OLDPAR	= $02CF		;##rev2## 6-byte relocating loader parameter
-GBYTEA	= $02CF		;##1200xl## 2-byte GET-BYTE routine address
-LOADAD	= $02D1		;##1200xl## 2-byte non-zero page load address
-ZLOADA	= $02D3		;##1200xl## 2-byte zero page load address
-
-DSCTLN	= $02D5		;##1200xl## 2-byte disk sector length
-ACMISR	= $02D7		;##1200xl## 2-byte ACMI interrupt service routine
-KRPDEL	= $02D9		;##1200xl## 1-byte auto-repeat delay
-KEYREP	= $02DA		;##1200xl## 1-byte auto-repeat rate
-NOCLIK	= $02DB		;##1200xl## 1-byte key click disable
-HELPFG	= $02DC		;##1200xl## 1-byte HELP key flag (0 = no HELP)
-DMASAV	= $02DD		;##1200xl## 1-byte SDMCTL save/restore
-PBPNT	= $02DE		;##1200xl## 1-byte printer buffer pointer
-PBUFSZ	= $02DF		;##1200xl## 1-byte printer buffer size
-
-GLBABS	= $02E0		;4-byte global variables for non-DOS users
-RUNAD	= $02E0		;##map## 2-byte binary file run address
-INITAD	= $02E2		;##map## 2-byte binary file initialization address
-
-RAMSIZ	= $02E4		;RAM SIZE (HI BYTE ONLY)
-MEMTOP	= $02E5		;TOP OF AVAILABLE USER MEMORY
-MEMLO	= $02E7		;BOTTOM OF AVAILABLE USER MEMORY
-HNDLOD	= $02E9		;##1200xl## 1-byte user load flag
-DVSTAT	= $02EA		;STATUS BUFFER
-CBAUDL	= $02EE		;1-byte low cassette baud rate
-CBAUDH	= $02EF		;1-byte high cassette baud rate
-CRSINH	= $02F0		;CURSOR INHIBIT (00 = CURSOR ON)
-KEYDEL	= $02F1		;KEY DELAY
-CH1	= $02F2		;1-byte prior keyboard character
-CHACT	= $02F3		;CHACTL REGISTER RAM
-CHBAS	= $02F4		;CHBAS REGISTER RAM
-
-NEWROW	= $02F5		;##1200xl## 1-byte draw destination row
-NEWCOL	= $02F6		;##1200xl## 2-byte draw destination column
-ROWINC	= $02F8		;##1200xl## 1-byte draw row increment
-COLINC	= $02F9		;##1200xl## 1-byte draw column increment
-
-CHAR	= $02FA		;1-byte internal character
-ATACHR	= $02FB		;ATASCII CHARACTER
-CH	= $02FC		;GLOBAL VARIABLE FOR KEYBOARD
-FILDAT	= $02FD		;RIGHT FILL DATA 
-DSPFLG	= $02FE		;DISPLAY FLAG   DISPLAY CNTLS IF NON-ZERO
-SSFLAG	= $02FF		;START/STOP FLAG FOR PAGING (CNTL 1). CLEARE
+INTABS  = $0200         ;INTERRUPT RAM
+
+VDSLST  = $0200         ;DISPLAY LIST NMI VECTOR
+VPRCED  = $0202         ;PROCEED LINE IRQ VECTOR
+VINTER  = $0204         ;INTERRUPT LINE IRQ VECTOR
+VBREAK  = $0206         ;SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
+VKEYBD  = $0208         ;POKEY KEYBOARD IRQ VECTOR
+VSERIN  = $020A         ;POKEY SERIAL INPUT READY IRQ
+VSEROR  = $020C         ;POKEY SERIAL OUTPUT READY IRQ
+VSEROC  = $020E         ;POKEY SERIAL OUTPUT COMPLETE IRQ
+VTIMR1  = $0210         ;POKEY TIMER 1 IRG
+VTIMR2  = $0212         ;POKEY TIMER 2 IRG
+VTIMR4  = $0214         ;POKEY TIMER 4 IRG
+VIMIRQ  = $0216         ;IMMEDIATE IRG VECTOR
+CDTMV1  = $0218         ;COUNT DOWN TIMER 1
+CDTMV2  = $021A         ;COUNT DOWN TIMER 2
+CDTMV3  = $021C         ;COUNT DOWN TIMER 3
+CDTMV4  = $021E         ;COUNT DOWN TIMER 4
+CDTMV5  = $0220         ;COUNT DOWN TIMER 5
+VVBLKI  = $0222         ;IMMEDIATE VERTICAL BLANK NMI VECTOR
+VVBLKD  = $0224         ;DEFERRED VERTICAL BLANK NMI VECTOR
+CDTMA1  = $0226         ;COUNT DOWN TIMER 1 JSR ADDRESS
+CDTMA2  = $0228         ;COUNT DOWN TIMER 2 JSR ADDRESS
+CDTMF3  = $022A         ;COUNT DOWN TIMER 3 FLAG
+SRTIMR  = $022B         ;SOFTWARE REPEAT TIMER
+CDTMF4  = $022C         ;COUNT DOWN TIMER 4 FLAG
+INTEMP  = $022D         ;IAN'S TEMP
+CDTMF5  = $022E         ;COUNT DOWN TIMER FLAG 5
+SDMCTL  = $022F         ;SAVE DMACTL REGISTER
+SDLSTL  = $0230         ;SAVE DISPLAY LIST LOW BYTE
+SDLSTH  = $0231         ;SAVE DISPLAY LIST HI BYTE
+SSKCTL  = $0232         ;SKCTL REGISTER RAM
+LCOUNT  = $0233         ;##1200xl## 1-byte relocating loader record
+LPENH   = $0234         ;LIGHT PEN HORIZONTAL VALUE
+LPENV   = $0235         ;LIGHT PEN VERTICAL VALUE
+BRKKY   = $0236         ;BREAK KEY VECTOR
+;RELADR = $0238         ;##1200xl## 2-byte relocatable loader address
+VPIRQ   = $0238         ;##rev2## 2-byte parallel device IRQ vector
+CDEVIC  = $023A         ;COMMAND FRAME BUFFER - DEVICE
+CCOMND  = $023B         ;COMMAND
+CAUX1   = $023C         ;COMMAND AUX BYTE 1
+CAUX2   = $023D         ;COMMAND AUX BYTE 2
+
+TEMP    = $023E         ;TEMPORARY RAM CELL
+
+ERRFLG  = $023F         ;ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
+
+DFLAGS  = $0240         ;DISK FLAGS FROM SECTOR ONE
+DBSECT  = $0241         ;NUMBER OF DISK BOOT SECTORS
+BOOTAD  = $0242         ;ADDRESS WHERE DISK BOOT LOADER WILL BE PUT
+COLDST  = $0244         ;COLDSTART FLAG (1=IN MIDDLE OF COLDSTART>
+RECLEN  = $0245         ;##1200xl## 1-byte relocating loader record length
+DSKTIM  = $0246         ;DISK TIME OUT REGISTER
+;LINBUF = $0247         ;##old## CHAR LINE BUFFER
+PDVMSK  = $0247         ;##rev2## 1-byte parallel device selection mask
+SHPDVS  = $0248         ;##rev2## 1-byte PDVS (parallel device select)
+PDIMSK  = $0249         ;##rev2## 1-byte parallel device IRQ selection
+RELADR  = $024A         ;##rev2## 2-byte relocating loader relative adr.
+PPTMPA  = $024C         ;##rev2## 1-byte parallel device handler temporary
+PPTMPX  = $024D         ;##rev2## 1-byte parallel device handler temporary
+
+CHSALT  = $026B         ;##1200xl## 1-byte character set alternate
+VSFLAG  = $026C         ;##1200xl## 1-byte fine vertical scroll count
+KEYDIS  = $026D         ;##1200xl## 1-byte keyboard disable
+FINE    = $026E         ;##1200xl## 1-byte fine scrolling mode
+GPRIOR  = $026F         ;GLOBAL PRIORITY CELL
+
+PADDL0  = $0270         ;1-byte potentiometer 0
+PADDL1  = $0271         ;1-byte potentiometer 1
+PADDL2  = $0272         ;1-byte potentiometer 2
+PADDL3  = $0273         ;1-byte potentiometer 3
+PADDL4  = $0274         ;1-byte potentiometer 4
+PADDL5  = $0275         ;1-byte potentiometer 5
+PADDL6  = $0276         ;1-byte potentiometer 6
+PADDL7  = $0277         ;1-byte potentiometer 7
+
+STICK0  = $0278         ;1-byte joystick 0
+STICK1  = $0279         ;1-byte joystick 1
+STICK2  = $027A         ;1-byte joystick 2
+STICK3  = $027B         ;1-byte joystick 3
+
+PTRIG0  = $027C         ;1-byte paddle trigger 0
+PTRIG1  = $027D         ;1-byte paddle trigger 1
+PTRIG2  = $027E         ;1-byte paddle trigger 2
+PTRIG3  = $027F         ;1-byte paddle trigger 3
+PTRIG4  = $0280         ;1-byte paddle trigger 4
+PTRIG5  = $0281         ;1-byte paddle trigger 5
+PTRIG6  = $0281         ;1-byte paddle trigger 6
+PTRIG7  = $0283         ;1-byte paddle trigger 7
+
+STRIG0  = $0284         ;1-byte joystick trigger 0
+STRIG1  = $0285         ;1-byte joystick trigger 1
+STRIG2  = $0286         ;1-byte joystick trigger 2
+STRIG3  = $0287         ;1-byte joystick trigger 3
+
+;CSTAT  = $0288         ;##old## cassette status register
+HIBYTE  = $0288         ;##1200xl## 1-byte relocating loader high byte
+WMODE   = $0289         ;1-byte cassette WRITE mode
+BLIM    = $028A         ;1-byte cassette buffer limit
+IMASK   = $028B         ;##rev2## (not used)
+JVECK   = $028C         ;2-byte jump vector or temporary
+NEWADR  = $028E         ;##1200xl## 2-byte relocating address
+TXTROW  = $0290         ;TEXT ROWCRS
+TXTCOL  = $0291         ;TEXT COLCRS
+TINDEX  = $0293         ;TEXT INDEX
+TXTMSC  = $0294         ;FOOLS CONVRT INTO NEW MSC
+TXTOLD  = $0296         ;OLDROW & OLDCOL FOR TEXT (AND THEN SOME)
+;TMPX1  = $029C         ;##old## 1-byte temporary register
+CRETRY  = $029C         ;##1200xl## 1-byte number of command frame retries
+HOLD3   = $029D         ;1-byte temporary
+SUBTMP  = $029E         ;1-byte temporary
+HOLD2   = $029F         ;1-byte (not used)
+DMASK   = $02A0         ;1-byte display (pixel location) mask
+TMPLBT  = $02A1         ;1-byte (not used)
+ESCFLG  = $02A2         ;ESCAPE FLAG
+TABMAP  = $02A3         ;15-byte (120 bit) tab stop bit map
+LOGMAP  = $02B2         ;LOGICAL LINE START BIT MAP
+INVFLG  = $02B6         ;INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY)
+FILFLG  = $02B7         ;RIGHT FILL FLAG FOR DRAW
+TMPROW  = $02B8         ;1-byte temporary row
+TMPCOL  = $02B9         ;2-byte temporary column
+SCRFLG  = $02BB         ;SET IF SCROLL OCCURS
+HOLD4   = $02BC         ;TEMP CELL USED IN DRAW ONLY
+;HOLD5  = $02BD         ;##old## DITTO
+DRETRY  = $02BD         ;##1200xl## 1-byte number of device retries
+SHFLOK  = $02BE         ;1-byte shift/control lock flags
+BOTSCR  = $02BF         ;BOTTOM OF SCREEN   24 NORM 4 SPLIT
+
+PCOLR0  = $02C0         ;1-byte player-missile 0 color/luminance
+PCOLR1  = $02C1         ;1-byte player-missile 1 color/luminance
+PCOLR2  = $02C2         ;1-byte player-missile 2 color/luminance
+PCOLR3  = $02C3         ;1-byte player-missile 3 color/luminance
+
+COLOR0  = $02C4         ;1-byte playfield 0 color/luminance
+COLOR1  = $02C5         ;1-byte playfield 1 color/luminance
+COLOR2  = $02C6         ;1-byte playfield 2 color/luminance
+COLOR3  = $02C7         ;1-byte playfield 3 color/luminance
+
+COLOR4  = $02C8         ;1-byte background color/luminance
+
+PARMBL  = $02C9         ;##rev2## 6-byte relocating loader parameter
+RUNADR  = $02C9         ;##1200xl## 2-byte run address
+HIUSED  = $02CB         ;##1200xl## 2-byte highest non-zero page address
+ZHIUSE  = $02CD         ;##1200xl## 2-byte highest zero page address
+
+OLDPAR  = $02CF         ;##rev2## 6-byte relocating loader parameter
+GBYTEA  = $02CF         ;##1200xl## 2-byte GET-BYTE routine address
+LOADAD  = $02D1         ;##1200xl## 2-byte non-zero page load address
+ZLOADA  = $02D3         ;##1200xl## 2-byte zero page load address
+
+DSCTLN  = $02D5         ;##1200xl## 2-byte disk sector length
+ACMISR  = $02D7         ;##1200xl## 2-byte ACMI interrupt service routine
+KRPDEL  = $02D9         ;##1200xl## 1-byte auto-repeat delay
+KEYREP  = $02DA         ;##1200xl## 1-byte auto-repeat rate
+NOCLIK  = $02DB         ;##1200xl## 1-byte key click disable
+HELPFG  = $02DC         ;##1200xl## 1-byte HELP key flag (0 = no HELP)
+DMASAV  = $02DD         ;##1200xl## 1-byte SDMCTL save/restore
+PBPNT   = $02DE         ;##1200xl## 1-byte printer buffer pointer
+PBUFSZ  = $02DF         ;##1200xl## 1-byte printer buffer size
+
+GLBABS  = $02E0         ;4-byte global variables for non-DOS users
+RUNAD   = $02E0         ;##map## 2-byte binary file run address
+INITAD  = $02E2         ;##map## 2-byte binary file initialization address
+
+RAMSIZ  = $02E4         ;RAM SIZE (HI BYTE ONLY)
+MEMTOP  = $02E5         ;TOP OF AVAILABLE USER MEMORY
+MEMLO   = $02E7         ;BOTTOM OF AVAILABLE USER MEMORY
+HNDLOD  = $02E9         ;##1200xl## 1-byte user load flag
+DVSTAT  = $02EA         ;STATUS BUFFER
+CBAUDL  = $02EE         ;1-byte low cassette baud rate
+CBAUDH  = $02EF         ;1-byte high cassette baud rate
+CRSINH  = $02F0         ;CURSOR INHIBIT (00 = CURSOR ON)
+KEYDEL  = $02F1         ;KEY DELAY
+CH1     = $02F2         ;1-byte prior keyboard character
+CHACT   = $02F3         ;CHACTL REGISTER RAM
+CHBAS   = $02F4         ;CHBAS REGISTER RAM
+
+NEWROW  = $02F5         ;##1200xl## 1-byte draw destination row
+NEWCOL  = $02F6         ;##1200xl## 2-byte draw destination column
+ROWINC  = $02F8         ;##1200xl## 1-byte draw row increment
+COLINC  = $02F9         ;##1200xl## 1-byte draw column increment
+
+CHAR    = $02FA         ;1-byte internal character
+ATACHR  = $02FB         ;ATASCII CHARACTER
+CH      = $02FC         ;GLOBAL VARIABLE FOR KEYBOARD
+FILDAT  = $02FD         ;RIGHT FILL DATA 
+DSPFLG  = $02FE         ;DISPLAY FLAG   DISPLAY CNTLS IF NON-ZERO
+SSFLAG  = $02FF         ;START/STOP FLAG FOR PAGING (CNTL 1). CLEARE
 
 ;-------------------------------------------------------------------------
 ; Page Three Address Equates
 ;-------------------------------------------------------------------------
 
-DCB	= $0300		;DEVICE CONTROL BLOCK
-DDEVIC	= $0300		;PERIPHERAL UNIT 1 BUS I.D. NUMBER
-DUNIT	= $0301		;UNIT NUMBER
-DCOMND	= $0302		;BUS COMMAND
-DSTATS	= $0303		;COMMAND TYPE/STATUS RETURN
-DBUFLO	= $0304		;1-byte low data buffer address
-DBUFHI	= $0305		;1-byte high data buffer address
-DTIMLO	= $0306		;DEVICE TIME OUT IN 1 SECOND UNITS
-DUNUSE	= $0307		;UNUSED BYTE
-DBYTLO	= $0308		;1-byte low number of bytes to transfer
-DBYTHI	= $0309		;1-byte high number of bytes to transfer
-DAUX1	= $030A		;1-byte first command auxiliary
-DAUX2	= $030B		;1-byte second command auxiliary
-
-TIMER1	= $030C		;INITIAL TIMER VALUE
-;ADDCOR	= $030E		;##old## ADDITION CORRECTION
-JMPERS	= $030E		;##1200xl## 1-byte jumper options
-CASFLG	= $030F		;CASSETTE MODE WHEN SET
-TIMER2	= $0310		;2-byte final baud rate timer value
-TEMP1	= $0312		;TEMPORARY STORAGE REGISTER
-;TEMP2	= $0314		;##old## TEMPORARY STORAGE REGISTER
-TEMP2	= $0313		;##1200xl## 1-byte temporary 
-PTIMOT	= $0314		;##1200xl## 1-byte printer timeout
-TEMP3	= $0315		;TEMPORARY STORAGE REGISTER
-SAVIO	= $0316		;SAVE SERIAL IN DATA PORT
-TIMFLG	= $0317		;TIME OUT FLAG FOR BAUD RATE CORRECTION
-STACKP	= $0318		;SIO STACK POINTER SAVE CELL
-TSTAT	= $0319		;TEMPORARY STATUS HOLDER
-
-HATABS	= $031A		;35-byte handler address table (was 38 bytes)
-PUPBT1	= $033D		;##1200xl## 1-byte power-up validation byte 1
-PUPBT2	= $033E		;##1200xl## 1-byte power-up validation byte 2
-PUPBT3	= $033F		;##1200xl## 1-byte power-up validation byte 3
-
-IOCB	= $0340		;I/O CONTROL BLOCKS
-ICHID	= $0340		;HANDLER INDEX NUMBER (FF=IOCB FREE)
-ICDNO	= $0341		;DEVICE NUMBER (DRIVE NUMBER)
-ICCOM	= $0342		;COMMAND CODE
-ICSTA	= $0343		;STATUS OF LAST IOCB ACTION
-ICBAL	= $0344		;1-byte low buffer address
-ICBAH	= $0345		;1-byte high buffer address
-ICPTL	= $0346		;1-byte low PUT-BYTE routine address - 1
-ICPTH	= $0347		;1-byte high PUT-BYTE routine address - 1
-ICBLL	= $0348		;1-byte low buffer length
-ICBLH	= $0349		;1-byte high buffer length
-ICAX1	= $034A		;1-byte first auxiliary information
-ICAX2	= $034B		;1-byte second auxiliary information
-ICAX3	= $034C		;1-byte third auxiliary information
-ICAX4	= $034D		;1-byte fourth auxiliary information
-ICAX5	= $034E		;1-byte fifth auxiliary information
-ICSPR	= $034F		;SPARE BYTE
-
-PRNBUF	= $03C0		;PRINTER BUFFER
-SUPERF	= $03E8		;##1200xl## 1-byte editor super function flag
-CKEY	= $03E9		;##1200xl## 1-byte cassette boot request flag
-CASSBT	= $03EA		;##1200xl## 1-byte cassette boot flag
-CARTCK	= $03EB		;##1200xl## 1-byte cartridge equivalence check
-DERRF	= $03EC		;##rev2## 1-byte screen OPEN error flag
+DCB     = $0300         ;DEVICE CONTROL BLOCK
+DDEVIC  = $0300         ;PERIPHERAL UNIT 1 BUS I.D. NUMBER
+DUNIT   = $0301         ;UNIT NUMBER
+DCOMND  = $0302         ;BUS COMMAND
+DSTATS  = $0303         ;COMMAND TYPE/STATUS RETURN
+DBUFLO  = $0304         ;1-byte low data buffer address
+DBUFHI  = $0305         ;1-byte high data buffer address
+DTIMLO  = $0306         ;DEVICE TIME OUT IN 1 SECOND UNITS
+DUNUSE  = $0307         ;UNUSED BYTE
+DBYTLO  = $0308         ;1-byte low number of bytes to transfer
+DBYTHI  = $0309         ;1-byte high number of bytes to transfer
+DAUX1   = $030A         ;1-byte first command auxiliary
+DAUX2   = $030B         ;1-byte second command auxiliary
+
+TIMER1  = $030C         ;INITIAL TIMER VALUE
+;ADDCOR = $030E         ;##old## ADDITION CORRECTION
+JMPERS  = $030E         ;##1200xl## 1-byte jumper options
+CASFLG  = $030F         ;CASSETTE MODE WHEN SET
+TIMER2  = $0310         ;2-byte final baud rate timer value
+TEMP1   = $0312         ;TEMPORARY STORAGE REGISTER
+;TEMP2  = $0314         ;##old## TEMPORARY STORAGE REGISTER
+TEMP2   = $0313         ;##1200xl## 1-byte temporary 
+PTIMOT  = $0314         ;##1200xl## 1-byte printer timeout
+TEMP3   = $0315         ;TEMPORARY STORAGE REGISTER
+SAVIO   = $0316         ;SAVE SERIAL IN DATA PORT
+TIMFLG  = $0317         ;TIME OUT FLAG FOR BAUD RATE CORRECTION
+STACKP  = $0318         ;SIO STACK POINTER SAVE CELL
+TSTAT   = $0319         ;TEMPORARY STATUS HOLDER
+
+HATABS  = $031A         ;35-byte handler address table (was 38 bytes)
+PUPBT1  = $033D         ;##1200xl## 1-byte power-up validation byte 1
+PUPBT2  = $033E         ;##1200xl## 1-byte power-up validation byte 2
+PUPBT3  = $033F         ;##1200xl## 1-byte power-up validation byte 3
+
+IOCB    = $0340         ;I/O CONTROL BLOCKS
+ICHID   = $0340         ;HANDLER INDEX NUMBER (FF=IOCB FREE)
+ICDNO   = $0341         ;DEVICE NUMBER (DRIVE NUMBER)
+ICCOM   = $0342         ;COMMAND CODE
+ICSTA   = $0343         ;STATUS OF LAST IOCB ACTION
+ICBAL   = $0344         ;1-byte low buffer address
+ICBAH   = $0345         ;1-byte high buffer address
+ICPTL   = $0346         ;1-byte low PUT-BYTE routine address - 1
+ICPTH   = $0347         ;1-byte high PUT-BYTE routine address - 1
+ICBLL   = $0348         ;1-byte low buffer length
+ICBLH   = $0349         ;1-byte high buffer length
+ICAX1   = $034A         ;1-byte first auxiliary information
+ICAX2   = $034B         ;1-byte second auxiliary information
+ICAX3   = $034C         ;1-byte third auxiliary information
+ICAX4   = $034D         ;1-byte fourth auxiliary information
+ICAX5   = $034E         ;1-byte fifth auxiliary information
+ICSPR   = $034F         ;SPARE BYTE
+
+PRNBUF  = $03C0         ;PRINTER BUFFER
+SUPERF  = $03E8         ;##1200xl## 1-byte editor super function flag
+CKEY    = $03E9         ;##1200xl## 1-byte cassette boot request flag
+CASSBT  = $03EA         ;##1200xl## 1-byte cassette boot flag
+CARTCK  = $03EB         ;##1200xl## 1-byte cartridge equivalence check
+DERRF   = $03EC         ;##rev2## 1-byte screen OPEN error flag
 
 ; Remainder of Page Three Not Cleared upon Reset
 
-ACMVAR	= $03ED		;##1200xl## 11 bytes reserved for ACMI
-BASICF	= $03F8		;##rev2## 1-byte BASIC switch flag
-MINTLK	= $03F9		;##1200xl## 1-byte ACMI module interlock
-GINTLK	= $03FA		;##1200xl## 1-byte cartridge interlock
-CHLINK	= $03FB		;##1200xl## 2-byte loaded handler chain link
-CASBUF	= $03FD		;CASSETTE BUFFER
+ACMVAR  = $03ED         ;##1200xl## 11 bytes reserved for ACMI
+BASICF  = $03F8         ;##rev2## 1-byte BASIC switch flag
+MINTLK  = $03F9         ;##1200xl## 1-byte ACMI module interlock
+GINTLK  = $03FA         ;##1200xl## 1-byte cartridge interlock
+CHLINK  = $03FB         ;##1200xl## 2-byte loaded handler chain link
+CASBUF  = $03FD         ;CASSETTE BUFFER
 
 ;-------------------------------------------------------------------------
 ; Page Four/Five Address Equates
 ;-------------------------------------------------------------------------
 
 ; USER AREA STARTS HERE AND GOES TO END OF PAGE FIVE
-USAREA	= $0480		;128 bytes reserved for application
+USAREA  = $0480         ;128 bytes reserved for application
 
-LBPR1	= $057E		;LBUFF PREFIX 1
-LBPR2	= $057F		;LBUFF PREFIX 2
-LBUFF	= $0580		;128-byte line buffer
+LBPR1   = $057E         ;LBUFF PREFIX 1
+LBPR2   = $057F         ;LBUFF PREFIX 2
+LBUFF   = $0580         ;128-byte line buffer
 
-PLYARG	= $05E0		;6-byte floating point polynomial argument
-FPSCR	= $05E6		;6-byte floating point temporary
-FPSCR1	= $05EC		;6-byte floating point temporary
+PLYARG  = $05E0         ;6-byte floating point polynomial argument
+FPSCR   = $05E6         ;6-byte floating point temporary
+FPSCR1  = $05EC         ;6-byte floating point temporary
 
-;LBFEND	= $05FF		;##old## END OF LBUFF
+;LBFEND = $05FF         ;##old## END OF LBUFF
 
 ;-------------------------------------------------------------------------
 ; Cartridge Address Equates
 ;-------------------------------------------------------------------------
 
-CARTCS	= $BFFA		;##rev2## 2-byte cartridge coldstart address
-CART	= $BFFC		;##rev2## 1-byte cartridge present indicator
-CARTFG	= $BFFD		;##rev2## 1-byte cartridge flags
-CARTAD	= $BFFE		;##rev2## 2-byte cartridge start vector
+CARTCS  = $BFFA         ;##rev2## 2-byte cartridge coldstart address
+CART    = $BFFC         ;##rev2## 1-byte cartridge present indicator
+CARTFG  = $BFFD         ;##rev2## 1-byte cartridge flags
+CARTAD  = $BFFE         ;##rev2## 2-byte cartridge start vector
 
 ;-------------------------------------------------------------------------
 ; CTIA/GTIA Address Equates
 ;-------------------------------------------------------------------------
 
-GTIA	= $D000		;CTIA/GTIA area
+GTIA    = $D000         ;CTIA/GTIA area
 
 ; Read/Write Addresses
 
-CONSOL	= $D01F		;console switches and speaker control
+CONSOL  = $D01F         ;console switches and speaker control
 
 ; Read Addresses
 
-M0PF	= $D000		;missile 0 and playfield collision
-M1PF	= $D001		;missile 1 and playfield collision
-M2PF	= $D002		;missile 2 and playfield collision
-M3PF	= $D003		;missile 3 and playfield collision
+M0PF    = $D000         ;missile 0 and playfield collision
+M1PF    = $D001         ;missile 1 and playfield collision
+M2PF    = $D002         ;missile 2 and playfield collision
+M3PF    = $D003         ;missile 3 and playfield collision
 
-P0PF	= $D004		;player 0 and playfield collision
-P1PF	= $D005		;player 1 and playfield collision
-P2PF	= $D006		;player 2 and playfield collision
-P3PF	= $D007		;player 3 and playfield collision
+P0PF    = $D004         ;player 0 and playfield collision
+P1PF    = $D005         ;player 1 and playfield collision
+P2PF    = $D006         ;player 2 and playfield collision
+P3PF    = $D007         ;player 3 and playfield collision
 
-M0PL	= $D008		;missile 0 and player collision
-M1PL	= $D009		;missile 1 and player collision
-M2PL	= $D00A		;missile 2 and player collision
-M3PL	= $D00B		;missile 3 and player collision
+M0PL    = $D008         ;missile 0 and player collision
+M1PL    = $D009         ;missile 1 and player collision
+M2PL    = $D00A         ;missile 2 and player collision
+M3PL    = $D00B         ;missile 3 and player collision
 
-P0PL	= $D00C		;player 0 and player collision
-P1PL	= $D00D		;player 1 and player collision
-P2PL	= $D00E		;player 2 and player collision
-P3PL	= $D00F		;player 3 and player collision
+P0PL    = $D00C         ;player 0 and player collision
+P1PL    = $D00D         ;player 1 and player collision
+P2PL    = $D00E         ;player 2 and player collision
+P3PL    = $D00F         ;player 3 and player collision
 
-TRIG0	= $D010		;joystick trigger 0
-TRIG1	= $D011		;joystick trigger 1
+TRIG0   = $D010         ;joystick trigger 0
+TRIG1   = $D011         ;joystick trigger 1
 
-TRIG2	= $D012		;cartridge interlock
-TRIG3	= $D013		;ACMI module interlock
+TRIG2   = $D012         ;cartridge interlock
+TRIG3   = $D013         ;ACMI module interlock
 
-PAL	= $D014		;##rev2## PAL/NTSC indicator
+PAL     = $D014         ;##rev2## PAL/NTSC indicator
 
 ; Write Addresses
 
-HPOSP0	= $D000		;player 0 horizontal position
-HPOSP1	= $D001		;player 1 horizontal position
-HPOSP2	= $D002		;player 2 horizontal position
-HPOSP3	= $D003		;player 3 horizontal position
+HPOSP0  = $D000         ;player 0 horizontal position
+HPOSP1  = $D001         ;player 1 horizontal position
+HPOSP2  = $D002         ;player 2 horizontal position
+HPOSP3  = $D003         ;player 3 horizontal position
 
-HPOSM0	= $D004		;missile 0 horizontal position
-HPOSM1	= $D005		;missile 1 horizontal position
-HPOSM2	= $D006		;missile 2 horizontal position
-HPOSM3	= $D007		;missile 3 horizontal position
+HPOSM0  = $D004         ;missile 0 horizontal position
+HPOSM1  = $D005         ;missile 1 horizontal position
+HPOSM2  = $D006         ;missile 2 horizontal position
+HPOSM3  = $D007         ;missile 3 horizontal position
 
-SIZEP0	= $D008		;player 0 size
-SIZEP1	= $D009		;player 1 size
-SIZEP2	= $D00A		;player 2 size
-SIZEP3	= $D00B		;player 3 size
+SIZEP0  = $D008         ;player 0 size
+SIZEP1  = $D009         ;player 1 size
+SIZEP2  = $D00A         ;player 2 size
+SIZEP3  = $D00B         ;player 3 size
 
-SIZEM	= $D00C		;missile sizes
+SIZEM   = $D00C         ;missile sizes
 
-GRAFP0	= $D00D		;player 0 graphics
-GRAFP1	= $D00E		;player 1 graphics
-GRAFP2	= $D00F		;player 2 graphics
-GRAFP3	= $D010		;player 3 graphics
+GRAFP0  = $D00D         ;player 0 graphics
+GRAFP1  = $D00E         ;player 1 graphics
+GRAFP2  = $D00F         ;player 2 graphics
+GRAFP3  = $D010         ;player 3 graphics
 
-GRAFM	= $D011		;missile graphics
+GRAFM   = $D011         ;missile graphics
 
-COLPM0	= $D012		;player-missile 0 color/luminance
-COLPM1	= $D013		;player-missile 1 color/luminance
-COLPM2	= $D014		;player-missile 2 color/luminance
-COLPM3	= $D015		;player-missile 3 color/luminance
+COLPM0  = $D012         ;player-missile 0 color/luminance
+COLPM1  = $D013         ;player-missile 1 color/luminance
+COLPM2  = $D014         ;player-missile 2 color/luminance
+COLPM3  = $D015         ;player-missile 3 color/luminance
 
-COLPF0	= $D016		;playfield 0 color/luminance
-COLPF1	= $D017		;playfield 1 color/luminance
-COLPF2	= $D018		;playfield 2 color/luminance
-COLPF3	= $D019		;playfield 3 color/luminance
+COLPF0  = $D016         ;playfield 0 color/luminance
+COLPF1  = $D017         ;playfield 1 color/luminance
+COLPF2  = $D018         ;playfield 2 color/luminance
+COLPF3  = $D019         ;playfield 3 color/luminance
 
-COLBK	= $D01A		;background color/luminance
+COLBK   = $D01A         ;background color/luminance
 
-PRIOR	= $D01B		;priority select
-VDELAY	= $D01C		;vertical delay
-GRACTL	= $D01D		;graphic control
-HITCLR	= $D01E		;collision clear
+PRIOR   = $D01B         ;priority select
+VDELAY  = $D01C         ;vertical delay
+GRACTL  = $D01D         ;graphic control
+HITCLR  = $D01E         ;collision clear
 
 ;-------------------------------------------------------------------------
 ; PBI Address Equates
 ;-------------------------------------------------------------------------
 
-PBI	= $D100		;##rev2## parallel bus interface area
+PBI     = $D100         ;##rev2## parallel bus interface area
 
 ; Read Addresses
 
-PDVI	= $D1FF		;##rev2## parallel device IRQ status
+PDVI    = $D1FF         ;##rev2## parallel device IRQ status
 
 ; Write Addresses
 
-PDVS	= $D1FF		;##rev2## parallel device select
+PDVS    = $D1FF         ;##rev2## parallel device select
 
 ; PBI RAM Address Equates
 
-PBIRAM	= $D600		;##rev2## parallel bus interface RAM area
+PBIRAM  = $D600         ;##rev2## parallel bus interface RAM area
 
 ; Parallel Device Address Equates
 
-PDID1	= $D803		;##rev2## parallel device ID 1
-PDIDV	= $D805		;##rev2## parallel device I/O vector
-PDIRQV	= $D808		;##rev2## parallel device IRQ vector
-PDID2	= $D80B		;##rev2## parallel device ID 2
-PDVV	= $D80D		;##rev2## parallel device vector table
+PDID1   = $D803         ;##rev2## parallel device ID 1
+PDIDV   = $D805         ;##rev2## parallel device I/O vector
+PDIRQV  = $D808         ;##rev2## parallel device IRQ vector
+PDID2   = $D80B         ;##rev2## parallel device ID 2
+PDVV    = $D80D         ;##rev2## parallel device vector table
 
 ;-------------------------------------------------------------------------
 ; POKEY Address Equates
 ;-------------------------------------------------------------------------
 
-POKEY	= $D200		;POKEY area
+POKEY   = $D200         ;POKEY area
 
 ; Read Addresses
 
-POT0	= $D200		;potentiometer 0
-POT1	= $D201		;potentiometer 1
-POT2	= $D202		;potentiometer 2
-POT3	= $D203		;potentiometer 3
-POT4	= $D204		;potentiometer 4
-POT5	= $D205		;potentiometer 5
-POT6	= $D206		;potentiometer 6
-POT7	= $D207		;potentiometer 7
-
-ALLPOT	= $D208		;potentiometer port status
-KBCODE	= $D209		;keyboard code
-RANDOM	= $D20A		;random number generator
-SERIN	= $D20D		;serial port input
-IRQST	= $D20E		;IRQ interrupt status
-SKSTAT	= $D20F		;serial port and keyboard status
+POT0    = $D200         ;potentiometer 0
+POT1    = $D201         ;potentiometer 1
+POT2    = $D202         ;potentiometer 2
+POT3    = $D203         ;potentiometer 3
+POT4    = $D204         ;potentiometer 4
+POT5    = $D205         ;potentiometer 5
+POT6    = $D206         ;potentiometer 6
+POT7    = $D207         ;potentiometer 7
+
+ALLPOT  = $D208         ;potentiometer port status
+KBCODE  = $D209         ;keyboard code
+RANDOM  = $D20A         ;random number generator
+SERIN   = $D20D         ;serial port input
+IRQST   = $D20E         ;IRQ interrupt status
+SKSTAT  = $D20F         ;serial port and keyboard status
 
 ; Write Addresses
 
-AUDF1	= $D200		;channel 1 audio frequency
-AUDC1	= $D201		;channel 1 audio control
+AUDF1   = $D200         ;channel 1 audio frequency
+AUDC1   = $D201         ;channel 1 audio control
 
-AUDF2	= $D202		;channel 2 audio frequency
-AUDC2	= $D203		;channel 2 audio control
+AUDF2   = $D202         ;channel 2 audio frequency
+AUDC2   = $D203         ;channel 2 audio control
 
-AUDF3	= $D204		;channel 3 audio frequency
-AUDC3	= $D205		;channel 3 audio control
+AUDF3   = $D204         ;channel 3 audio frequency
+AUDC3   = $D205         ;channel 3 audio control
 
-AUDF4	= $D206		;channel 4 audio frequency
-AUDC4	= $D207		;channel 4 audio control
+AUDF4   = $D206         ;channel 4 audio frequency
+AUDC4   = $D207         ;channel 4 audio control
 
-AUDCTL	= $D208		;audio control
-STIMER	= $D209		;start timers
-SKRES	= $D20A		;reset SKSTAT status
-POTGO	= $D20B		;start potentiometer scan sequence
-SEROUT	= $D20D		;serial port output
-IRQEN	= $D20E		;IRQ interrupt enable
-SKCTL	= $D20F		;serial port and keyboard control
+AUDCTL  = $D208         ;audio control
+STIMER  = $D209         ;start timers
+SKRES   = $D20A         ;reset SKSTAT status
+POTGO   = $D20B         ;start potentiometer scan sequence
+SEROUT  = $D20D         ;serial port output
+IRQEN   = $D20E         ;IRQ interrupt enable
+SKCTL   = $D20F         ;serial port and keyboard control
 
 ;-------------------------------------------------------------------------
 ; PIA Address Equates
 ;-------------------------------------------------------------------------
 
-PIA	= $D300		;PIA area
+PIA     = $D300         ;PIA area
 
-PORTA	= $D300		;port A direction register or jacks one/two
-PORTB	= $D301		;port B direction register or memory management
+PORTA   = $D300         ;port A direction register or jacks one/two
+PORTB   = $D301         ;port B direction register or memory management
 
-PACTL	= $D302		;port A control
-PBCTL	= $D303		;port B control
+PACTL   = $D302         ;port A control
+PBCTL   = $D303         ;port B control
 
 ;-------------------------------------------------------------------------
 ; ANTIC Address Equates
 ;-------------------------------------------------------------------------
 
-ANTIC	= $D400		;ANTIC area
+ANTIC   = $D400         ;ANTIC area
 
 ; Read Addresses
 
-VCOUNT	= $D40B		;vertical line counter
-PENH	= $D40C		;light pen horizontal position
-PENV	= $D40D		;light pen vertical position
-NMIST	= $D40F		;NMI interrupt status
+VCOUNT  = $D40B         ;vertical line counter
+PENH    = $D40C         ;light pen horizontal position
+PENV    = $D40D         ;light pen vertical position
+NMIST   = $D40F         ;NMI interrupt status
 
 ; Write Addresses
 
-DMACTL	= $D400		;DMA control
-CHACTL	= $D401		;character control
-DLISTL	= $D402		;low display list address
-DLISTH	= $D403		;high display list address
-HSCROL	= $D404		;horizontal scroll
-VSCROL	= $D405		;vertical scroll
-PMBASE	= $D407		;player-missile base address
-CHBASE	= $D409		;character base address
-WSYNC	= $D40A		;wait for HBLANK synchronization
-NMIEN	= $D40E		;NMI enable
-NMIRES	= $D40F		;NMI interrupt reset
+DMACTL  = $D400         ;DMA control
+CHACTL  = $D401         ;character control
+DLISTL  = $D402         ;low display list address
+DLISTH  = $D403         ;high display list address
+HSCROL  = $D404         ;horizontal scroll
+VSCROL  = $D405         ;vertical scroll
+PMBASE  = $D407         ;player-missile base address
+CHBASE  = $D409         ;character base address
+WSYNC   = $D40A         ;wait for HBLANK synchronization
+NMIEN   = $D40E         ;NMI enable
+NMIRES  = $D40F         ;NMI interrupt reset
 
 ;-------------------------------------------------------------------------
 ; Floating Point Package Address Equates
 ;-------------------------------------------------------------------------
 
-AFP	= $D800		;convert ASCII to floating point
-FASC	= $D8E6		;convert floating point to ASCII
-IFP	= $D9AA		;convert integer to floating point
-FPI	= $D9D2		;convert floating point to integer
-ZFR0	= $DA44		;zero FR0
-ZF1	= $DA46		;zero floating point number
-FSUB	= $DA60		;subtract floating point numbers
-FADD	= $DA66		;add floating point numbers
-FMUL	= $DADB		;multiply floating point numbers
-FDIV	= $DB28		;divide floating point numbers
-PLYEVL	= $DD40		;evaluate floating point polynomial
-FLD0R	= $DD89		;load floating point number
-FLD0P	= $DD8D		;load floating point number
-FLD1R	= $DD98		;load floating point number
-PLD1P	= $DD9C		;load floating point number
-FST0R	= $DDA7		;store floating point number
-FST0P	= $DDAB		;store floating point number
-FMOVE	= $DDB6		;move floating point number
-LOG	= $DECD		;calculate floating point logarithm
-LOG10	= $DED1		;calculate floating point base 10 logarithm
-EXP	= $DDC0		;calculate floating point exponential
-EXP10	= $DDCC		;calculate floating point base 10 exponential
+AFP     = $D800         ;convert ASCII to floating point
+FASC    = $D8E6         ;convert floating point to ASCII
+IFP     = $D9AA         ;convert integer to floating point
+FPI     = $D9D2         ;convert floating point to integer
+ZFR0    = $DA44         ;zero FR0
+ZF1     = $DA46         ;zero floating point number
+FSUB    = $DA60         ;subtract floating point numbers
+FADD    = $DA66         ;add floating point numbers
+FMUL    = $DADB         ;multiply floating point numbers
+FDIV    = $DB28         ;divide floating point numbers
+PLYEVL  = $DD40         ;evaluate floating point polynomial
+FLD0R   = $DD89         ;load floating point number
+FLD0P   = $DD8D         ;load floating point number
+FLD1R   = $DD98         ;load floating point number
+PLD1P   = $DD9C         ;load floating point number
+FST0R   = $DDA7         ;store floating point number
+FST0P   = $DDAB         ;store floating point number
+FMOVE   = $DDB6         ;move floating point number
+LOG     = $DECD         ;calculate floating point logarithm
+LOG10   = $DED1         ;calculate floating point base 10 logarithm
+EXP     = $DDC0         ;calculate floating point exponential
+EXP10   = $DDCC         ;calculate floating point base 10 exponential
 
 ;-------------------------------------------------------------------------
 ; Device Handler Vector Table Address Equates
 ;-------------------------------------------------------------------------
 
-EDITRV	= $E400		;editor handler vector table
-SCRENV	= $E410		;screen handler vector table
-KEYBDV	= $E420		;keyboard handler vector table
-PRINTV	= $E430		;printer handler vector table
-CASETV	= $E440		;cassette handler vector table
+EDITRV  = $E400         ;editor handler vector table
+SCRENV  = $E410         ;screen handler vector table
+KEYBDV  = $E420         ;keyboard handler vector table
+PRINTV  = $E430         ;printer handler vector table
+CASETV  = $E440         ;cassette handler vector table
 
 ;-------------------------------------------------------------------------
 ; Jump Vector Address Equates
 ;-------------------------------------------------------------------------
 
-DISKIV	= $E450		;vector to initialize DIO
-DSKINV	= $E453		;vector to DIO
-CIOV	= $E456		;vector to CIO
-SIOV	= $E459		;vector to SIO
-SETVBV	= $E45C		;vector to set VBLANK parameters
-SYSVBV	= $E45F		;vector to process immediate VBLANK
-XITVBV	= $E462		;vector to process deferred VBLANK
-SIOINV	= $E465		;vector to initialize SIO
-SENDEV	= $E468		;vector to enable SEND
-INTINV	= $E46B		;vector to initialize interrupt handler
-CIOINV	= $E46E		;vector to initialize CIO
-BLKBDV	= $E471		;vector to power-up display
-WARMSV	= $E474		;vector to warmstart
-COLDSV	= $E477		;vector to coldstart
-RBLOKV	= $E47A		;vector to read cassette block
-CSOPIV	= $E47D		;vector to open cassette for input
-VCTABL	= $E480		;RAM vector initial value table
-PUPDIV	= $E480		;##rev2## vector to power-up display
-SLFTSV	= $E483		;##rev2## vector to self-test
-PHENTV	= $E486		;##rev2## vector to enter peripheral handler
-PHUNLV	= $E489		;##rev2## vector to unlink peripheral handler
-PHINIV	= $E48C		;##rev2## vector to initialize peripheral handler
-GPDVV	= $E48F		;##rev2## generic parallel device handler vector
+DISKIV  = $E450         ;vector to initialize DIO
+DSKINV  = $E453         ;vector to DIO
+CIOV    = $E456         ;vector to CIO
+SIOV    = $E459         ;vector to SIO
+SETVBV  = $E45C         ;vector to set VBLANK parameters
+SYSVBV  = $E45F         ;vector to process immediate VBLANK
+XITVBV  = $E462         ;vector to process deferred VBLANK
+SIOINV  = $E465         ;vector to initialize SIO
+SENDEV  = $E468         ;vector to enable SEND
+INTINV  = $E46B         ;vector to initialize interrupt handler
+CIOINV  = $E46E         ;vector to initialize CIO
+BLKBDV  = $E471         ;vector to power-up display
+WARMSV  = $E474         ;vector to warmstart
+COLDSV  = $E477         ;vector to coldstart
+RBLOKV  = $E47A         ;vector to read cassette block
+CSOPIV  = $E47D         ;vector to open cassette for input
+VCTABL  = $E480         ;RAM vector initial value table
+PUPDIV  = $E480         ;##rev2## vector to power-up display
+SLFTSV  = $E483         ;##rev2## vector to self-test
+PHENTV  = $E486         ;##rev2## vector to enter peripheral handler
+PHUNLV  = $E489         ;##rev2## vector to unlink peripheral handler
+PHINIV  = $E48C         ;##rev2## vector to initialize peripheral handler
+GPDVV   = $E48F         ;##rev2## generic parallel device handler vector
 
 ; NOTE: OS rom self-test labels are not included in this file
 
@@ -985,105 +985,105 @@ GPDVV	= $E48F		;##rev2## generic parallel device handler vector
 ;-------------------------------------------------------------------------
 
 ; THE FOLLOWING ARE IN BASIC CARTRIDGE:
-SIN	= $BD81		;FR0 <- SIN (FR0) DEGFLG (0=RAD,6=DEG) CARRY
-COS	= $BD73		;FR0 <- COS (FR0) CARRY
-ATAN	= $BE43		;FR0 <- ATAN(FR0) CARRY
-SQR	= $BEB1		;FR0 <- ROOT(FR0) CARRY
+SIN     = $BD81         ;FR0 <- SIN (FR0) DEGFLG (0=RAD,6=DEG) CARRY
+COS     = $BD73         ;FR0 <- COS (FR0) CARRY
+ATAN    = $BE43         ;FR0 <- ATAN(FR0) CARRY
+SQR     = $BEB1         ;FR0 <- ROOT(FR0) CARRY
 
-RADON	= 0		;INDICATES RADIANS
-DEGON	= 6		;INDICATES DEGREES
+RADON   = 0             ;INDICATES RADIANS
+DEGON   = 6             ;INDICATES DEGREES
 
-ASCZER	= '0'		;ASCII ZERO
-COLON	= $3A		;ASCII COLON 
-CR	= $9B		;SYSTEM EOL (CARRIAGE RETURN)
+ASCZER  = '0'           ;ASCII ZERO
+COLON   = $3A           ;ASCII COLON 
+CR      = $9B           ;SYSTEM EOL (CARRIAGE RETURN)
 
 ;-------------------------------------------------------------------------
 ; 6502
 ;-------------------------------------------------------------------------
 
-NMIVEC	= $FFFA
-RESVEC	= $FFFC
-IRQVEC	= $FFFE
+NMIVEC  = $FFFA
+RESVEC  = $FFFC
+IRQVEC  = $FFFE
 
 ;-------------------------------------------------------------------------
 ; BASIC
 ;-------------------------------------------------------------------------
 
-LOMEM	= $80		;2-byte low memory pointer
-VNTP	= $82		;2-byte variable name table address
-VNTD	= $84		;2-byte variable name table end + 1
-VVTP	= $86		;2-byte variable value table
-STMTAB	= $88		;2-byte statement table address
-STMCUR	= $8A		;2-byte current statement pointer
-STARP	= $8C		;2-byte string and array table pointer
-RUNSTK	= $8E		;2-byte runtime stack address
-BMEMTOP	= $90		;2-byte top of memory pointer
-STOPLN	= $BA		;2-byte stopped line number
-ERRSAVE	= $C3		;1-byte error code
-PTABW	= $C9		;1-byte tab width
+LOMEM   = $80           ;2-byte low memory pointer
+VNTP    = $82           ;2-byte variable name table address
+VNTD    = $84           ;2-byte variable name table end + 1
+VVTP    = $86           ;2-byte variable value table
+STMTAB  = $88           ;2-byte statement table address
+STMCUR  = $8A           ;2-byte current statement pointer
+STARP   = $8C           ;2-byte string and array table pointer
+RUNSTK  = $8E           ;2-byte runtime stack address
+BMEMTOP = $90           ;2-byte top of memory pointer
+STOPLN  = $BA           ;2-byte stopped line number
+ERRSAVE = $C3           ;1-byte error code
+PTABW   = $C9           ;1-byte tab width
 
 ;-------------------------------------------------------------------------
 ; DOS
 ;-------------------------------------------------------------------------
 
-DOS	= $0700
+DOS     = $0700
 
-RENAME	= $20		;RENAME DISK FILE
-DELETE	= $21		;DELETE DISK FILE
-LOCKFL	= $23		;LOCK FILE TO READ ONLY
-UNLOCK	= $24		;UNLOCK LOCKED FILE
-POINT	= $25		;POINT SECTOR
-NOTE	= $26		;NOTE SECTOR
-FORMAT	= $FE		;FORMAT
+RENAME  = $20           ;RENAME DISK FILE
+DELETE  = $21           ;DELETE DISK FILE
+LOCKFL  = $23           ;LOCK FILE TO READ ONLY
+UNLOCK  = $24           ;UNLOCK LOCKED FILE
+POINT   = $25           ;POINT SECTOR
+NOTE    = $26           ;NOTE SECTOR
+FORMAT  = $FE           ;FORMAT
 
 ; Command line table, Index values for (DOSVEC),Y -- COMTAB
 ; Compatible with OS/A+, DOS XL and SpartaDOS
 
-COMTAB	= 0		;DOS entry jump vector
-ZCRNAME	= 3		;file name crunch routine jump vector
-BUFOFF	= 10		;next parameter buffer offset
-COMFNAM	= 33		;destination buffer for crunch routine
-LBUF	= 63		;command line input buffer
+COMTAB  = 0             ;DOS entry jump vector
+ZCRNAME = 3             ;file name crunch routine jump vector
+BUFOFF  = 10            ;next parameter buffer offset
+COMFNAM = 33            ;destination buffer for crunch routine
+LBUF    = 63            ;command line input buffer
 
 ;-------------------------------------------------------------------------
 ; ATASCII CHARACTER DEFS
 ;-------------------------------------------------------------------------
 
-ATCLR	= $7D		;CLEAR SCREEN CHARACTER
-ATRUB	= $7E		;BACK SPACE (RUBOUT)
-ATTAB	= $7F		;TAB
-ATEOL	= $9B		;END-OF-LINE
-ATDELL	= $9C		;delete line
-ATINSL	= $9D		;insert line
-ATCTAB	= $9E		;clear TAB
-ATSTAB	= $9F		;set TAB
-ATBEL	= $FD		;CONSOLE BELL
-ATDEL	= $FE		;delete char.
-ATINS	= $FF		;insert char.
-ATURW	= $1C		;UP-ARROW
-ATDRW	= $1D		;DOWN-ARROW
-ATLRW	= $1E		;LEFT-ARROW
-ATRRW	= $1F		;RIGHT-ARROW
-ATESC	= $1B		;ESCAPE
+ATCLR   = $7D           ;CLEAR SCREEN CHARACTER
+ATRUB   = $7E           ;BACK SPACE (RUBOUT)
+ATTAB   = $7F           ;TAB
+ATEOL   = $9B           ;END-OF-LINE
+ATDELL  = $9C           ;delete line
+ATINSL  = $9D           ;insert line
+ATCTAB  = $9E           ;clear TAB
+ATSTAB  = $9F           ;set TAB
+ATBEL   = $FD           ;CONSOLE BELL
+ATDEL   = $FE           ;delete char.
+ATINS   = $FF           ;insert char.
+ATURW   = $1C           ;UP-ARROW
+ATDRW   = $1D           ;DOWN-ARROW
+ATLRW   = $1E           ;LEFT-ARROW
+ATRRW   = $1F           ;RIGHT-ARROW
+ATESC   = $1B           ;ESCAPE
 
 ;-------------------------------------------------------------------------
 ; OFFSETS INTO SECTSIZETAB (DIO functions)
 ;-------------------------------------------------------------------------
 
-sst_flag     = 0	; length 1
-sst_sectsize = 1	;        2
-sst_driveno  = 3	;        1  (drive #)
-sst_size     = 4	; size of one entry
-			; if changed, adapt diopncls.s
+sst_flag     = 0        ; length 1
+sst_sectsize = 1        ;        2
+sst_driveno  = 3        ;        1  (drive #)
+sst_size     = 4        ; size of one entry
+                        ; if changed, adapt diopncls.s
 
 ;-------------------------------------------------------------------------
 ; OFFSETS INTO dio_phys_pos
 ;-------------------------------------------------------------------------
 
-diopp_head   = 0	; head
-diopp_track  = 1	; track / cylinder
-diopp_sector = 3	; sector
-diopp_size   = 5	; size of structure
+diopp_head   = 0        ; head
+diopp_track  = 1        ; track / cylinder
+diopp_sector = 3        ; sector
+diopp_size   = 5        ; size of structure
 
 ;-------------------------------------------------------------------------
 ; VALUES for dos_type
@@ -1091,7 +1091,7 @@ diopp_size   = 5	; size of structure
 
 ATARIDOS     = 0
 SPARTADOS    = 1
-OSADOS       = 2	; OS/A+
+OSADOS       = 2        ; OS/A+
 MYDOS        = 3
 XDOS         = 4
 NODOS        = 255
@@ -1103,28 +1103,28 @@ NODOS        = 255
 ; usage example:
 ;
 ; ScreenDL:
-; .byte	DL_BLK8
-; .byte	DL_BLK8
+; .byte DL_BLK8
+; .byte DL_BLK8
 ; .byte DL_CHR40x8x1 + DL_LMS + DL_DLI
-; .word	ScreenAlignment
-; .byte	DL_BLK1 + DL_DLI
-; .byte	DL_MAP320x1x1 + DL_LMS
-; .word	Screen
+; .word ScreenAlignment
+; .byte DL_BLK1 + DL_DLI
+; .byte DL_MAP320x1x1 + DL_LMS
+; .word Screen
 ;
 ; .repeat 99
-; .byte	DL_MAP320x1x1
+; .byte DL_MAP320x1x1
 ; .endrepeat
-; .byte	DL_MAP320x1x1 + DL_LMS
-; .word	Screen + 40 * 100	; 100 lines a 40 byte, 'Screen' has to be aligned correctly!
+; .byte DL_MAP320x1x1 + DL_LMS
+; .word Screen + 40 * 100       ; 100 lines a 40 byte, 'Screen' has to be aligned correctly!
 ; .repeat 92
-; .byte	DL_MAP320x1x1
+; .byte DL_MAP320x1x1
 ; .endrepeat
 ;
-; .byte	DL_JVB
+; .byte DL_JVB
 
 ; absolute instructions (non mode lines)
 
-DL_JMP	= 1
+DL_JMP  = 1
 DL_JVB  = 65
 
 DL_BLK1  = 0
@@ -1138,21 +1138,21 @@ DL_BLK8  = 112
 
 ; absolute instructions (mode lines)
 
-DL_CHR40x8x1  = 2		; monochrome, 40 character & 8 scanlines per mode line (GR. 0)
-DL_CHR40x10x1 = 3		; monochrome, 40 character & 10 scanlines per mode line
-DL_CHR40x8x4  = 4		; colour, 40 character & 8 scanlines per mode line (GR. 12)
-DL_CHR40x16x4 = 5		; colour, 40 character & 16 scanlines per mode line (GR. 13)
-DL_CHR20x8x2  = 6		; colour (duochrome per character), 20 character & 8 scanlines per mode line (GR. 1)
-DL_CHR20x16x2 = 7		; colour (duochrome per character), 20 character & 16 scanlines per mode line (GR. 2)
-
-DL_MAP40x8x4  = 8		; colour, 40 pixel & 8 scanlines per mode line (GR. 3)
-DL_MAP80x4x2  = 9		; 'duochrome', 80 pixel & 4 scanlines per mode line (GR.4) 
-DL_MAP80x4x4  = 10		; colour, 80 pixel & 4 scanlines per mode line (GR.5) 
-DL_MAP160x2x2 = 11		; 'duochrome', 160 pixel & 2 scanlines per mode line (GR.6) 
-DL_MAP160x1x2 = 12		; 'duochrome', 160 pixel & 1 scanline per mode line (GR.14) 
-DL_MAP160x2x4 = 13		; 4 colours, 160 pixel & 2 scanlines per mode line (GR.7) 
-DL_MAP160x1x4 = 14		; 4 colours, 160 pixel & 1 scanline per mode line (GR.15) 
-DL_MAP320x1x1 = 15		; monochrome, 320 pixel & 1 scanline per mode line (GR.8) 
+DL_CHR40x8x1  = 2               ; monochrome, 40 character & 8 scanlines per mode line (GR. 0)
+DL_CHR40x10x1 = 3               ; monochrome, 40 character & 10 scanlines per mode line
+DL_CHR40x8x4  = 4               ; colour, 40 character & 8 scanlines per mode line (GR. 12)
+DL_CHR40x16x4 = 5               ; colour, 40 character & 16 scanlines per mode line (GR. 13)
+DL_CHR20x8x2  = 6               ; colour (duochrome per character), 20 character & 8 scanlines per mode line (GR. 1)
+DL_CHR20x16x2 = 7               ; colour (duochrome per character), 20 character & 16 scanlines per mode line (GR. 2)
+
+DL_MAP40x8x4  = 8               ; colour, 40 pixel & 8 scanlines per mode line (GR. 3)
+DL_MAP80x4x2  = 9               ; 'duochrome', 80 pixel & 4 scanlines per mode line (GR.4) 
+DL_MAP80x4x4  = 10              ; colour, 80 pixel & 4 scanlines per mode line (GR.5) 
+DL_MAP160x2x2 = 11              ; 'duochrome', 160 pixel & 2 scanlines per mode line (GR.6) 
+DL_MAP160x1x2 = 12              ; 'duochrome', 160 pixel & 1 scanline per mode line (GR.14) 
+DL_MAP160x2x4 = 13              ; 4 colours, 160 pixel & 2 scanlines per mode line (GR.7) 
+DL_MAP160x1x4 = 14              ; 4 colours, 160 pixel & 1 scanline per mode line (GR.15) 
+DL_MAP320x1x1 = 15              ; monochrome, 320 pixel & 1 scanline per mode line (GR.8) 
 
 ; modifiers on mode lines...
 
@@ -1162,7 +1162,7 @@ DL_LMS    = 64
 
 ; general modifier...
 
-DL_DLI	  = 128
+DL_DLI    = 128
 
 ;-------------------------------------------------------------------------
 ; End of atari.inc
diff --git a/asminc/c128.inc b/asminc/c128.inc
index 079c4b4da..8ec72a172 100644
--- a/asminc/c128.inc
+++ b/asminc/c128.inc
@@ -7,193 +7,193 @@
 ; Zero page, Commodore stuff
 
 TIME            := $A0          ; 60HZ clock
-FNAM_LEN       	:= $B7          ; Length of filename
-SECADR 	       	:= $B9          ; Secondary address
-DEVNUM 	       	:= $BA          ; Device number
-FNAM	       	:= $BB          ; Address of filename
-FNAM_BANK      	:= $C7          ; Bank for filename
-KEY_COUNT      	:= $D0          ; Number of keys in input buffer
-FKEY_COUNT     	:= $D1          ; Characters for function key
-MODE   	       	:= $D7          ; 40/80 column mode flag
-CURS_X 	       	:= $EC          ; Cursor column
-CURS_Y 	       	:= $EB          ; Cursor row
-SCREEN_PTR     	:= $E0          ; Pointer to current char in text screen
-CRAM_PTR       	:= $E2          ; Pointer to current char in color RAM
+FNAM_LEN        := $B7          ; Length of filename
+SECADR          := $B9          ; Secondary address
+DEVNUM          := $BA          ; Device number
+FNAM            := $BB          ; Address of filename
+FNAM_BANK       := $C7          ; Bank for filename
+KEY_COUNT       := $D0          ; Number of keys in input buffer
+FKEY_COUNT      := $D1          ; Characters for function key
+MODE            := $D7          ; 40/80 column mode flag
+CURS_X          := $EC          ; Cursor column
+CURS_Y          := $EB          ; Cursor row
+SCREEN_PTR      := $E0          ; Pointer to current char in text screen
+CRAM_PTR        := $E2          ; Pointer to current char in color RAM
 
 CHARCOLOR       := $F1
 RVS             := $F3          ; Reverse output flag
-SCROLL 	       	:= $F8          ; Disable scrolling flag
+SCROLL          := $F8          ; Disable scrolling flag
 
-BASIC_BUF      	:= $200		; Location of command-line
-BASIC_BUF_LEN  	= 162		; Maximum length of command-line
+BASIC_BUF       := $200         ; Location of command-line
+BASIC_BUF_LEN   = 162           ; Maximum length of command-line
 
 FETCH           := $2A2         ; Fetch subroutine in RAM
 FETVEC          := $2AA         ; Vector patch location for FETCH
 STASH           := $2AF         ; Stash routine in RAM
 STAVEC          := $2B9         ; Vector patch location for STASH
 PALFLAG         := $A03         ; $FF=PAL, $00=NTSC
-INIT_STATUS	:= $A04		; Flag: Reset/NMI Status
-FKEY_LEN	:= $1000	; Function key lengths
-FKEY_TEXT	:= $100A	; Function key texts
+INIT_STATUS     := $A04         ; Flag: Reset/NMI Status
+FKEY_LEN        := $1000        ; Function key lengths
+FKEY_TEXT       := $100A        ; Function key texts
 
 ; ---------------------------------------------------------------------------
 ; Kernal routines
 
 ; Direct entries
-CURS_SET       	:= $CD57
-CURS_ON	       	:= $CD6F
+CURS_SET        := $CD57
+CURS_ON         := $CD6F
 CURS_OFF        := $CD9F
-CLRSCR 	       	:= $C142
-KBDREAD	       	:= $C006
-NEWLINE	       	:= $C363
-PRINT  	       	:= $C322
+CLRSCR          := $C142
+KBDREAD         := $C006
+NEWLINE         := $C363
+PRINT           := $C322
 NMIEXIT         := $FF33
 INDFET          := $FF74
 
 ; ---------------------------------------------------------------------------
 ; Vectors
 
-IRQVec 	       	:= $0314
-BRKVec 	       	:= $0316
-NMIVec 	       	:= $0318
-KeyStoreVec    	:= $033C
+IRQVec          := $0314
+BRKVec          := $0316
+NMIVec          := $0318
+KeyStoreVec     := $033C
 
 ; ---------------------------------------------------------------------------
 ; I/O: VIC
 
-VIC    	       	:= $D000
-VIC_SPR0_X     	:= $D000
-VIC_SPR0_Y     	:= $D001
-VIC_SPR1_X     	:= $D002
-VIC_SPR1_Y     	:= $D003
-VIC_SPR2_X     	:= $D004
-VIC_SPR2_Y     	:= $D005
-VIC_SPR3_X     	:= $D006
-VIC_SPR3_Y     	:= $D007
-VIC_SPR4_X     	:= $D008
-VIC_SPR4_Y     	:= $D009
-VIC_SPR5_X     	:= $D00A
-VIC_SPR5_Y     	:= $D00B
-VIC_SPR6_X     	:= $D00C
-VIC_SPR6_Y     	:= $D00D
-VIC_SPR7_X     	:= $D00E
-VIC_SPR7_Y     	:= $D00F
-VIC_SPR_HI_X   	:= $D010
-VIC_SPR_ENA    	:= $D015
-VIC_SPR_EXP_Y  	:= $D017
-VIC_SPR_EXP_X  	:= $D01D
-VIC_SPR_MCOLOR 	:= $D01C
+VIC             := $D000
+VIC_SPR0_X      := $D000
+VIC_SPR0_Y      := $D001
+VIC_SPR1_X      := $D002
+VIC_SPR1_Y      := $D003
+VIC_SPR2_X      := $D004
+VIC_SPR2_Y      := $D005
+VIC_SPR3_X      := $D006
+VIC_SPR3_Y      := $D007
+VIC_SPR4_X      := $D008
+VIC_SPR4_Y      := $D009
+VIC_SPR5_X      := $D00A
+VIC_SPR5_Y      := $D00B
+VIC_SPR6_X      := $D00C
+VIC_SPR6_Y      := $D00D
+VIC_SPR7_X      := $D00E
+VIC_SPR7_Y      := $D00F
+VIC_SPR_HI_X    := $D010
+VIC_SPR_ENA     := $D015
+VIC_SPR_EXP_Y   := $D017
+VIC_SPR_EXP_X   := $D01D
+VIC_SPR_MCOLOR  := $D01C
 VIC_SPR_BG_PRIO := $D01B
 
 VIC_SPR_MCOLOR0 := $D025
 VIC_SPR_MCOLOR1 := $D026
 
-VIC_SPR0_COLOR 	:= $D027
-VIC_SPR1_COLOR 	:= $D028
-VIC_SPR2_COLOR 	:= $D029
-VIC_SPR3_COLOR 	:= $D02A
-VIC_SPR4_COLOR 	:= $D02B
-VIC_SPR5_COLOR 	:= $D02C
-VIC_SPR6_COLOR 	:= $D02D
-VIC_SPR7_COLOR 	:= $D02E
+VIC_SPR0_COLOR  := $D027
+VIC_SPR1_COLOR  := $D028
+VIC_SPR2_COLOR  := $D029
+VIC_SPR3_COLOR  := $D02A
+VIC_SPR4_COLOR  := $D02B
+VIC_SPR5_COLOR  := $D02C
+VIC_SPR6_COLOR  := $D02D
+VIC_SPR7_COLOR  := $D02E
 
-VIC_CTRL1      	:= $D011
-VIC_CTRL2      	:= $D016
+VIC_CTRL1       := $D011
+VIC_CTRL2       := $D016
 
-VIC_HLINE      	:= $D012
+VIC_HLINE       := $D012
 
-VIC_VIDEO_ADR  	:= $D018
+VIC_VIDEO_ADR   := $D018
 
-VIC_IRR	       	:= $D019        ; Interrupt request register
-VIC_IMR	       	:= $D01A	; Interrupt mask register
+VIC_IRR         := $D019        ; Interrupt request register
+VIC_IMR         := $D01A        ; Interrupt mask register
 
 VIC_BORDERCOLOR := $D020
-VIC_BG_COLOR0  	:= $D021
-VIC_BG_COLOR1  	:= $D022
-VIC_BG_COLOR2  	:= $D023
-VIC_BG_COLOR3  	:= $D024
+VIC_BG_COLOR0   := $D021
+VIC_BG_COLOR1   := $D022
+VIC_BG_COLOR2   := $D023
+VIC_BG_COLOR3   := $D024
 
 ; 128 stuff:
-VIC_KBD_128    	:= $D02F        ; Extended kbd bits (visible in 64 mode)
-VIC_CLK_128    	:= $D030	; Clock rate register (visible in 64 mode)
+VIC_KBD_128     := $D02F        ; Extended kbd bits (visible in 64 mode)
+VIC_CLK_128     := $D030        ; Clock rate register (visible in 64 mode)
 
 
 ; ---------------------------------------------------------------------------
 ; I/O: SID
 
-SID    	       	:= $D400
-SID_S1Lo       	:= $D400
-SID_S1Hi       	:= $D401
-SID_PB1Lo      	:= $D402
-SID_PB1Hi      	:= $D403
-SID_Ctl1       	:= $D404
-SID_AD1	       	:= $D405
-SID_SUR1       	:= $D406
-
-SID_S2Lo       	:= $D407
-SID_S2Hi       	:= $D408
-SID_PB2Lo      	:= $D409
-SID_PB2Hi      	:= $D40A
-SID_Ctl2       	:= $D40B
-SID_AD2	       	:= $D40C
-SID_SUR2       	:= $D40D
-
-SID_S3Lo       	:= $D40E
-SID_S3Hi       	:= $D40F
-SID_PB3Lo      	:= $D410
-SID_PB3Hi      	:= $D411
-SID_Ctl3       	:= $D412
-SID_AD3	       	:= $D413
-SID_SUR3       	:= $D414
-
-SID_FltLo      	:= $D415
-SID_FltHi      	:= $D416
-SID_FltCtl     	:= $D417
-SID_Amp	       	:= $D418
-SID_ADConv1    	:= $D419
-SID_ADConv2    	:= $D41A
-SID_Noise      	:= $D41B
-SID_Read3      	:= $D41C
+SID             := $D400
+SID_S1Lo        := $D400
+SID_S1Hi        := $D401
+SID_PB1Lo       := $D402
+SID_PB1Hi       := $D403
+SID_Ctl1        := $D404
+SID_AD1         := $D405
+SID_SUR1        := $D406
+
+SID_S2Lo        := $D407
+SID_S2Hi        := $D408
+SID_PB2Lo       := $D409
+SID_PB2Hi       := $D40A
+SID_Ctl2        := $D40B
+SID_AD2         := $D40C
+SID_SUR2        := $D40D
+
+SID_S3Lo        := $D40E
+SID_S3Hi        := $D40F
+SID_PB3Lo       := $D410
+SID_PB3Hi       := $D411
+SID_Ctl3        := $D412
+SID_AD3         := $D413
+SID_SUR3        := $D414
+
+SID_FltLo       := $D415
+SID_FltHi       := $D416
+SID_FltCtl      := $D417
+SID_Amp         := $D418
+SID_ADConv1     := $D419
+SID_ADConv2     := $D41A
+SID_Noise       := $D41B
+SID_Read3       := $D41C
 
 ; ---------------------------------------------------------------------------
 ; I/O: VDC (128 only)
 
-VDC_INDEX      	:= $D600
-VDC_DATA       	:= $D601
+VDC_INDEX       := $D600
+VDC_DATA        := $D601
 
 ; ---------------------------------------------------------------------------
 ; I/O: CIAs
 
-CIA1   	       	:= $DC00
-CIA1_PRA       	:= $DC00
-CIA1_PRB       	:= $DC01
-CIA1_DDRA      	:= $DC02
-CIA1_DDRB      	:= $DC03
+CIA1            := $DC00
+CIA1_PRA        := $DC00
+CIA1_PRB        := $DC01
+CIA1_DDRA       := $DC02
+CIA1_DDRB       := $DC03
 CIA1_TOD10      := $DC08
 CIA1_TODSEC     := $DC09
 CIA1_TODMIN     := $DC0A
 CIA1_TODHR      := $DC0B
-CIA1_ICR       	:= $DC0D
-CIA1_CRA       	:= $DC0E
-CIA1_CRB       	:= $DC0F
-
-CIA2   	       	:= $DD00
-CIA2_PRA       	:= $DD00
-CIA2_PRB       	:= $DD01
-CIA2_DDRA      	:= $DD02
-CIA2_DDRB      	:= $DD03
+CIA1_ICR        := $DC0D
+CIA1_CRA        := $DC0E
+CIA1_CRB        := $DC0F
+
+CIA2            := $DD00
+CIA2_PRA        := $DD00
+CIA2_PRB        := $DD01
+CIA2_DDRA       := $DD02
+CIA2_DDRB       := $DD03
 CIA2_TOD10      := $DD08
 CIA2_TODSEC     := $DD09
 CIA2_TODMIN     := $DD0A
 CIA2_TODHR      := $DD0B
-CIA2_ICR       	:= $DD0D
-CIA2_CRA       	:= $DD0E
-CIA2_CRB       	:= $DD0F
+CIA2_ICR        := $DD0D
+CIA2_CRA        := $DD0E
+CIA2_CRB        := $DD0F
 
 ; ---------------------------------------------------------------------------
 ; I/O: MMU
 
-MMU_CR 	       	:= $FF00
+MMU_CR          := $FF00
 MMU_CFG_CC65    := %00001110    ; Bank 0 with kernal ROM
 MMU_CFG_RAM0    := %00111111    ; Bank 0 full RAM
 MMU_CFG_RAM1    := %01111111    ; Bank 1 full RAM
@@ -203,9 +203,9 @@ MMU_CFG_RAM3    := %11111111    ; Bank 3 full RAM
 ; ---------------------------------------------------------------------------
 ; Super CPU
 
-SCPU_VIC_Bank1 	:= $D075
-SCPU_Slow      	:= $D07A
-SCPU_Fast      	:= $D07B
+SCPU_VIC_Bank1  := $D075
+SCPU_Slow       := $D07A
+SCPU_Fast       := $D07B
 SCPU_EnableRegs := $D07E
 SCPU_DisableRegs:= $D07F
-SCPU_Detect    	:= $D0BC
+SCPU_Detect     := $D0BC
diff --git a/asminc/c64.inc b/asminc/c64.inc
index 710c5b273..6823403c5 100644
--- a/asminc/c64.inc
+++ b/asminc/c64.inc
@@ -7,43 +7,43 @@
 ; Zero page, Commodore stuff
 
 TIME            := $A0          ; 60 HZ clock
-FNAM_LEN       	:= $B7		; Length of filename
-SECADR 	       	:= $B9		; Secondary address
-DEVNUM 	       	:= $BA		; Device number
+FNAM_LEN        := $B7          ; Length of filename
+SECADR          := $B9          ; Secondary address
+DEVNUM          := $BA          ; Device number
 FNAM            := $BB          ; Pointer to filename
-KEY_COUNT      	:= $C6		; Number of keys in input buffer
+KEY_COUNT       := $C6          ; Number of keys in input buffer
 RVS             := $C7          ; Reverse flag
-CURS_FLAG      	:= $CC		; 1 = cursor off
-CURS_BLINK     	:= $CD		; Blink counter
-CURS_CHAR      	:= $CE		; Character under the cursor
-CURS_STATE     	:= $CF		; Cursor blink state
-SCREEN_PTR     	:= $D1		; Pointer to current char in text screen
-CURS_X 	       	:= $D3		; Cursor column
-CURS_Y 	       	:= $D6		; Cursor row
-CRAM_PTR       	:= $F3		; Pointer to current char in color RAM
-
-BASIC_BUF      	:= $200		; Location of command-line
-BASIC_BUF_LEN	= 89		; Maximum length of command-line
+CURS_FLAG       := $CC          ; 1 = cursor off
+CURS_BLINK      := $CD          ; Blink counter
+CURS_CHAR       := $CE          ; Character under the cursor
+CURS_STATE      := $CF          ; Cursor blink state
+SCREEN_PTR      := $D1          ; Pointer to current char in text screen
+CURS_X          := $D3          ; Cursor column
+CURS_Y          := $D6          ; Cursor row
+CRAM_PTR        := $F3          ; Pointer to current char in color RAM
+
+BASIC_BUF       := $200         ; Location of command-line
+BASIC_BUF_LEN   = 89            ; Maximum length of command-line
 
 CHARCOLOR       := $286
-CURS_COLOR      := $287		; Color under the cursor
-PALFLAG	       	:= $2A6		; $01 = PAL, $00 = NTSC
+CURS_COLOR      := $287         ; Color under the cursor
+PALFLAG         := $2A6         ; $01 = PAL, $00 = NTSC
 
 
 ; ---------------------------------------------------------------------------
 ; Kernal routines
 
 ; Direct entries
-CLRSCR 	       	:= $E544
-KBDREAD	       	:= $E5B4
+CLRSCR          := $E544
+KBDREAD         := $E5B4
 NMIEXIT         := $FEBC
 
 ; ---------------------------------------------------------------------------
 ; Vector and other locations
 
-IRQVec 	       	:= $0314
-BRKVec 	       	:= $0316
-NMIVec 	       	:= $0318
+IRQVec          := $0314
+BRKVec          := $0316
+NMIVec          := $0318
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -54,157 +54,157 @@ YSIZE           = 25
 ; ---------------------------------------------------------------------------
 ; I/O: VIC
 
-VIC    	       	:= $D000
-VIC_SPR0_X     	:= $D000
-VIC_SPR0_Y     	:= $D001
-VIC_SPR1_X     	:= $D002
-VIC_SPR1_Y     	:= $D003
-VIC_SPR2_X     	:= $D004
-VIC_SPR2_Y     	:= $D005
-VIC_SPR3_X     	:= $D006
-VIC_SPR3_Y     	:= $D007
-VIC_SPR4_X     	:= $D008
-VIC_SPR4_Y     	:= $D009
-VIC_SPR5_X     	:= $D00A
-VIC_SPR5_Y     	:= $D00B
-VIC_SPR6_X     	:= $D00C
-VIC_SPR6_Y     	:= $D00D
-VIC_SPR7_X     	:= $D00E
-VIC_SPR7_Y     	:= $D00F
-VIC_SPR_HI_X   	:= $D010
-VIC_SPR_ENA    	:= $D015
-VIC_SPR_EXP_Y  	:= $D017
-VIC_SPR_EXP_X  	:= $D01D
-VIC_SPR_MCOLOR 	:= $D01C
+VIC             := $D000
+VIC_SPR0_X      := $D000
+VIC_SPR0_Y      := $D001
+VIC_SPR1_X      := $D002
+VIC_SPR1_Y      := $D003
+VIC_SPR2_X      := $D004
+VIC_SPR2_Y      := $D005
+VIC_SPR3_X      := $D006
+VIC_SPR3_Y      := $D007
+VIC_SPR4_X      := $D008
+VIC_SPR4_Y      := $D009
+VIC_SPR5_X      := $D00A
+VIC_SPR5_Y      := $D00B
+VIC_SPR6_X      := $D00C
+VIC_SPR6_Y      := $D00D
+VIC_SPR7_X      := $D00E
+VIC_SPR7_Y      := $D00F
+VIC_SPR_HI_X    := $D010
+VIC_SPR_ENA     := $D015
+VIC_SPR_EXP_Y   := $D017
+VIC_SPR_EXP_X   := $D01D
+VIC_SPR_MCOLOR  := $D01C
 VIC_SPR_BG_PRIO := $D01B
 
 VIC_SPR_MCOLOR0 := $D025
 VIC_SPR_MCOLOR1 := $D026
 
-VIC_SPR0_COLOR 	:= $D027
-VIC_SPR1_COLOR 	:= $D028
-VIC_SPR2_COLOR 	:= $D029
-VIC_SPR3_COLOR 	:= $D02A
-VIC_SPR4_COLOR 	:= $D02B
-VIC_SPR5_COLOR 	:= $D02C
-VIC_SPR6_COLOR 	:= $D02D
-VIC_SPR7_COLOR 	:= $D02E
+VIC_SPR0_COLOR  := $D027
+VIC_SPR1_COLOR  := $D028
+VIC_SPR2_COLOR  := $D029
+VIC_SPR3_COLOR  := $D02A
+VIC_SPR4_COLOR  := $D02B
+VIC_SPR5_COLOR  := $D02C
+VIC_SPR6_COLOR  := $D02D
+VIC_SPR7_COLOR  := $D02E
 
-VIC_CTRL1      	:= $D011
-VIC_CTRL2      	:= $D016
+VIC_CTRL1       := $D011
+VIC_CTRL2       := $D016
 
-VIC_HLINE      	:= $D012
+VIC_HLINE       := $D012
 
-VIC_VIDEO_ADR  	:= $D018
+VIC_VIDEO_ADR   := $D018
 
-VIC_IRR	       	:= $D019        ; Interrupt request register
-VIC_IMR	       	:= $D01A	; Interrupt mask register
+VIC_IRR         := $D019        ; Interrupt request register
+VIC_IMR         := $D01A        ; Interrupt mask register
 
 VIC_BORDERCOLOR := $D020
-VIC_BG_COLOR0  	:= $D021
-VIC_BG_COLOR1  	:= $D022
-VIC_BG_COLOR2  	:= $D023
-VIC_BG_COLOR3  	:= $D024
+VIC_BG_COLOR0   := $D021
+VIC_BG_COLOR1   := $D022
+VIC_BG_COLOR2   := $D023
+VIC_BG_COLOR3   := $D024
 
 ; 128 stuff:
-VIC_KBD_128    	:= $D02F        ; Extended kbd bits (visible in 64 mode)
-VIC_CLK_128    	:= $D030	; Clock rate register (visible in 64 mode)
+VIC_KBD_128     := $D02F        ; Extended kbd bits (visible in 64 mode)
+VIC_CLK_128     := $D030        ; Clock rate register (visible in 64 mode)
 
 
 ; ---------------------------------------------------------------------------
 ; I/O: SID
 
-SID    	       	:= $D400
-SID_S1Lo       	:= $D400
-SID_S1Hi       	:= $D401
-SID_PB1Lo      	:= $D402
-SID_PB1Hi      	:= $D403
-SID_Ctl1       	:= $D404
-SID_AD1	       	:= $D405
-SID_SUR1       	:= $D406
-
-SID_S2Lo       	:= $D407
-SID_S2Hi       	:= $D408
-SID_PB2Lo      	:= $D409
-SID_PB2Hi      	:= $D40A
-SID_Ctl2       	:= $D40B
-SID_AD2	       	:= $D40C
-SID_SUR2       	:= $D40D
-
-SID_S3Lo       	:= $D40E
-SID_S3Hi       	:= $D40F
-SID_PB3Lo      	:= $D410
-SID_PB3Hi      	:= $D411
-SID_Ctl3       	:= $D412
-SID_AD3	       	:= $D413
-SID_SUR3       	:= $D414
-
-SID_FltLo      	:= $D415
-SID_FltHi      	:= $D416
-SID_FltCtl     	:= $D417
-SID_Amp	       	:= $D418
-SID_ADConv1    	:= $D419
-SID_ADConv2    	:= $D41A
-SID_Noise      	:= $D41B
-SID_Read3      	:= $D41C
+SID             := $D400
+SID_S1Lo        := $D400
+SID_S1Hi        := $D401
+SID_PB1Lo       := $D402
+SID_PB1Hi       := $D403
+SID_Ctl1        := $D404
+SID_AD1         := $D405
+SID_SUR1        := $D406
+
+SID_S2Lo        := $D407
+SID_S2Hi        := $D408
+SID_PB2Lo       := $D409
+SID_PB2Hi       := $D40A
+SID_Ctl2        := $D40B
+SID_AD2         := $D40C
+SID_SUR2        := $D40D
+
+SID_S3Lo        := $D40E
+SID_S3Hi        := $D40F
+SID_PB3Lo       := $D410
+SID_PB3Hi       := $D411
+SID_Ctl3        := $D412
+SID_AD3         := $D413
+SID_SUR3        := $D414
+
+SID_FltLo       := $D415
+SID_FltHi       := $D416
+SID_FltCtl      := $D417
+SID_Amp         := $D418
+SID_ADConv1     := $D419
+SID_ADConv2     := $D41A
+SID_Noise       := $D41B
+SID_Read3       := $D41C
 
 ; ---------------------------------------------------------------------------
 ; I/O: VDC (128 only)
 
-VDC_INDEX      	:= $D600
-VDC_DATA       	:= $D601
+VDC_INDEX       := $D600
+VDC_DATA        := $D601
 
 ; ---------------------------------------------------------------------------
 ; I/O: CIAs
 
-CIA1   	       	:= $DC00
-CIA1_PRA       	:= $DC00
-CIA1_PRB       	:= $DC01
-CIA1_DDRA      	:= $DC02
-CIA1_DDRB      	:= $DC03
+CIA1            := $DC00
+CIA1_PRA        := $DC00
+CIA1_PRB        := $DC01
+CIA1_DDRA       := $DC02
+CIA1_DDRB       := $DC03
 CIA1_TOD10      := $DC08
 CIA1_TODSEC     := $DC09
 CIA1_TODMIN     := $DC0A
 CIA1_TODHR      := $DC0B
-CIA1_ICR       	:= $DC0D
-CIA1_CRA       	:= $DC0E
-CIA1_CRB       	:= $DC0F
-
-CIA2   	       	:= $DD00
-CIA2_PRA       	:= $DD00
-CIA2_PRB       	:= $DD01
-CIA2_DDRA      	:= $DD02
-CIA2_DDRB      	:= $DD03
+CIA1_ICR        := $DC0D
+CIA1_CRA        := $DC0E
+CIA1_CRB        := $DC0F
+
+CIA2            := $DD00
+CIA2_PRA        := $DD00
+CIA2_PRB        := $DD01
+CIA2_DDRA       := $DD02
+CIA2_DDRB       := $DD03
 CIA2_TOD10      := $DD08
 CIA2_TODSEC     := $DD09
 CIA2_TODMIN     := $DD0A
 CIA2_TODHR      := $DD0B
-CIA2_ICR       	:= $DD0D
-CIA2_CRA       	:= $DD0E
-CIA2_CRB       	:= $DD0F
+CIA2_ICR        := $DD0D
+CIA2_CRA        := $DD0E
+CIA2_CRB        := $DD0F
 
 ; ---------------------------------------------------------------------------
 ; Super CPU
 
-SCPU_VIC_Bank1 	:= $D075
-SCPU_Slow      	:= $D07A
-SCPU_Fast      	:= $D07B
+SCPU_VIC_Bank1  := $D075
+SCPU_Slow       := $D07A
+SCPU_Fast       := $D07B
 SCPU_EnableRegs := $D07E
 SCPU_DisableRegs:= $D07F
-SCPU_Detect    	:= $D0BC
+SCPU_Detect     := $D0BC
 
 
 ; ---------------------------------------------------------------------------
 ; Processor Port at $01
 
-LORAM		= $01  		; Enable the basic rom
-HIRAM		= $02  		; Enable the kernal rom
-IOEN 		= $04  		; Enable I/O
-CASSDATA	= $08  		; Cassette data
-CASSPLAY	= $10  		; Cassette: Play
-CASSMOT		= $20  		; Cassette motor on
-TP_FAST		= $80  		; Switch Rossmoeller TurboProcess to fast mode
+LORAM           = $01           ; Enable the basic rom
+HIRAM           = $02           ; Enable the kernal rom
+IOEN            = $04           ; Enable I/O
+CASSDATA        = $08           ; Cassette data
+CASSPLAY        = $10           ; Cassette: Play
+CASSMOT         = $20           ; Cassette motor on
+TP_FAST         = $80           ; Switch Rossmoeller TurboProcess to fast mode
 
-RAMONLY		= $F8  		; (~(LORAM | HIRAM | IOEN)) & $FF
+RAMONLY         = $F8           ; (~(LORAM | HIRAM | IOEN)) & $FF
 
 
diff --git a/asminc/cbm510.inc b/asminc/cbm510.inc
index c4476c2e1..827c507fc 100644
--- a/asminc/cbm510.inc
+++ b/asminc/cbm510.inc
@@ -9,8 +9,8 @@
 ;-----------------------------------------------------------------------------
 ; Zeropage stuff
 
-ExecReg		= $00
-IndReg		= $01
+ExecReg         = $00
+IndReg          = $01
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -23,93 +23,93 @@ YSIZE           = 25
 
 ; I/O  $d800: VIC
 
-VIC_SPR0_X     	= $00
-VIC_SPR0_Y     	= $01
-VIC_SPR1_X     	= $02
-VIC_SPR1_Y     	= $03
-VIC_SPR2_X     	= $04
-VIC_SPR2_Y     	= $05
-VIC_SPR3_X     	= $06
-VIC_SPR3_Y     	= $07
-VIC_SPR4_X     	= $08
-VIC_SPR4_Y     	= $09
-VIC_SPR5_X     	= $0A
-VIC_SPR5_Y     	= $0B
-VIC_SPR6_X     	= $0C
-VIC_SPR6_Y     	= $0D
-VIC_SPR7_X     	= $0E
-VIC_SPR7_Y     	= $0F
-VIC_SPR_HI_X   	= $10
-VIC_SPR_ENA    	= $15
-VIC_SPR_EXP_Y  	= $17
-VIC_SPR_EXP_X  	= $1D
-VIC_SPR_MCOLOR 	= $1C
+VIC_SPR0_X      = $00
+VIC_SPR0_Y      = $01
+VIC_SPR1_X      = $02
+VIC_SPR1_Y      = $03
+VIC_SPR2_X      = $04
+VIC_SPR2_Y      = $05
+VIC_SPR3_X      = $06
+VIC_SPR3_Y      = $07
+VIC_SPR4_X      = $08
+VIC_SPR4_Y      = $09
+VIC_SPR5_X      = $0A
+VIC_SPR5_Y      = $0B
+VIC_SPR6_X      = $0C
+VIC_SPR6_Y      = $0D
+VIC_SPR7_X      = $0E
+VIC_SPR7_Y      = $0F
+VIC_SPR_HI_X    = $10
+VIC_SPR_ENA     = $15
+VIC_SPR_EXP_Y   = $17
+VIC_SPR_EXP_X   = $1D
+VIC_SPR_MCOLOR  = $1C
 VIC_SPR_BG_PRIO = $1B
 
 VIC_SPR_MCOLOR0 = $25
 VIC_SPR_MCOLOR1 = $26
 
-VIC_SPR0_COLOR 	= $27
-VIC_SPR1_COLOR 	= $28
-VIC_SPR2_COLOR 	= $29
-VIC_SPR3_COLOR 	= $2A
-VIC_SPR4_COLOR 	= $2B
-VIC_SPR5_COLOR 	= $2C
-VIC_SPR6_COLOR 	= $2D
-VIC_SPR7_COLOR 	= $2E
+VIC_SPR0_COLOR  = $27
+VIC_SPR1_COLOR  = $28
+VIC_SPR2_COLOR  = $29
+VIC_SPR3_COLOR  = $2A
+VIC_SPR4_COLOR  = $2B
+VIC_SPR5_COLOR  = $2C
+VIC_SPR6_COLOR  = $2D
+VIC_SPR7_COLOR  = $2E
 
-VIC_CTRL1      	= $11
-VIC_CTRL2      	= $16
+VIC_CTRL1       = $11
+VIC_CTRL2       = $16
 
-VIC_HLINE      	= $12
+VIC_HLINE       = $12
 
-VIC_VIDEO_ADR  	= $18
+VIC_VIDEO_ADR   = $18
 
-VIC_IRR	       	= $19		; Interrupt request register
-VIC_IMR	       	= $1A		; Interrupt mask register
+VIC_IRR         = $19           ; Interrupt request register
+VIC_IMR         = $1A           ; Interrupt mask register
 
 VIC_BORDERCOLOR = $20
-VIC_BG_COLOR0  	= $21
-VIC_BG_COLOR1  	= $22
-VIC_BG_COLOR2  	= $23
-VIC_BG_COLOR3  	= $24
+VIC_BG_COLOR0   = $21
+VIC_BG_COLOR1   = $22
+VIC_BG_COLOR2   = $23
+VIC_BG_COLOR3   = $24
 
 
 
 ; I/O  $da00: SID 6581
 
-SID_S1Lo       	= $00
-SID_S1Hi       	= $01
-SID_PB1Lo      	= $02
-SID_PB1Hi      	= $03
-SID_Ctl1       	= $04
-SID_AD1	       	= $05
-SID_SUR1       	= $06
-
-SID_S2Lo       	= $07
-SID_S2Hi       	= $08
-SID_PB2Lo      	= $09
-SID_PB2Hi      	= $0A
-SID_Ctl2       	= $0B
-SID_AD2	       	= $0C
-SID_SUR2       	= $0D
-
-SID_S3Lo       	= $0E
-SID_S3Hi       	= $0F
-SID_PB3Lo      	= $10
-SID_PB3Hi      	= $11
-SID_Ctl3       	= $12
-SID_AD3	       	= $13
-SID_SUR3       	= $14
-
-SID_FltLo      	= $15
-SID_FltHi      	= $16
-SID_FltCtl     	= $17
-SID_Amp	       	= $18
-SID_ADConv1    	= $19
-SID_ADConv2    	= $1A
-SID_Noise      	= $1B
-SID_Read3      	= $1C
+SID_S1Lo        = $00
+SID_S1Hi        = $01
+SID_PB1Lo       = $02
+SID_PB1Hi       = $03
+SID_Ctl1        = $04
+SID_AD1         = $05
+SID_SUR1        = $06
+
+SID_S2Lo        = $07
+SID_S2Hi        = $08
+SID_PB2Lo       = $09
+SID_PB2Hi       = $0A
+SID_Ctl2        = $0B
+SID_AD2         = $0C
+SID_SUR2        = $0D
+
+SID_S3Lo        = $0E
+SID_S3Hi        = $0F
+SID_PB3Lo       = $10
+SID_PB3Hi       = $11
+SID_Ctl3        = $12
+SID_AD3         = $13
+SID_SUR3        = $14
+
+SID_FltLo       = $15
+SID_FltHi       = $16
+SID_FltCtl      = $17
+SID_Amp         = $18
+SID_ADConv1     = $19
+SID_ADConv2     = $1A
+SID_Noise       = $1B
+SID_Read3       = $1C
 
 
 ; I/O  $db00: CIA 6526 Inter Process Communication
@@ -178,5 +178,5 @@ SID_Read3      	= $1C
 
 ; Out video memory address
 
-COLOR_RAM   = $D400			; System bank
+COLOR_RAM   = $D400                     ; System bank
 
diff --git a/asminc/cbm610.inc b/asminc/cbm610.inc
index 14bbb3d69..94256eeb1 100644
--- a/asminc/cbm610.inc
+++ b/asminc/cbm610.inc
@@ -9,8 +9,8 @@
 ; ---------------------------------------------------------------------------
 ; Zeropage stuff
 
-ExecReg		= $00
-IndReg		= $01
+ExecReg         = $00
+IndReg          = $01
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -25,13 +25,13 @@ YSIZE           = 25
 ; I/O  $d800: CRTC 6545
 
 .struct CRTC
-        ADDR   	.byte
-        DATA   	.byte
+        ADDR    .byte
+        DATA    .byte
 .endstruct
 
 ; I/O  $db00: CIA 6526 Inter Process Communication
 ;
-; 	IPCcia		=	$db00
+;       IPCcia          =       $db00
 
 .struct CIA
         PRA     .byte
@@ -65,13 +65,13 @@ YSIZE           = 25
 
 ; I/O  $dc00: CIA 6526
 ;
-; 	cia		=	$dc00
+;       cia             =       $dc00
 
 
 
 ; I/O  $dd00: ACIA 6551
 ;
-; 	acia	       	=	$dd00
+;       acia            =       $dd00
 
 .struct ACIA
         DATA    .byte
@@ -83,7 +83,7 @@ YSIZE           = 25
 
 ; I/O  $de00: Triport #1 6525
 ;
-; 	tpi1  		=	$de00
+;       tpi1            =       $de00
 
 .struct TPI
         PRA     .byte
@@ -105,6 +105,6 @@ YSIZE           = 25
 
 ; I/O  $df00: Triport #2 6525
 
-; 	tpi2	     	=	$df00
+;       tpi2            =       $df00
 
 
diff --git a/asminc/ctype.inc b/asminc/ctype.inc
index 2e29c7293..d6b0ccf46 100644
--- a/asminc/ctype.inc
+++ b/asminc/ctype.inc
@@ -6,24 +6,24 @@
 
 ; Make the __ctype table an exported/imported symbol
 
-        .global	   __ctype
+        .global    __ctype
 
 ; Define bitmapped constants for the table entries
 
 CT_NONE         = $00           ; Nothing special
-CT_LOWER	= $01		; 0 - Lower case char
-CT_UPPER	= $02		; 1 - Upper case char
-CT_DIGIT	= $04		; 2 - Numeric digit
-CT_XDIGIT	= $08		; 3 - Hex digit (both, lower and upper)
-CT_CTRL	 	= $10		; 4 - Control character
-CT_SPACE 	= $20		; 5 - The space character itself
-CT_OTHER_WS	= $40		; 6 - Other whitespace ('\f', '\n', '\r', '\t' and '\v')
-CT_SPACE_TAB	= $80		; 7 - Space or tab character
+CT_LOWER        = $01           ; 0 - Lower case char
+CT_UPPER        = $02           ; 1 - Upper case char
+CT_DIGIT        = $04           ; 2 - Numeric digit
+CT_XDIGIT       = $08           ; 3 - Hex digit (both, lower and upper)
+CT_CTRL         = $10           ; 4 - Control character
+CT_SPACE        = $20           ; 5 - The space character itself
+CT_OTHER_WS     = $40           ; 6 - Other whitespace ('\f', '\n', '\r', '\t' and '\v')
+CT_SPACE_TAB    = $80           ; 7 - Space or tab character
 
 ; Combined stuff
-CT_ALNUM   	= (CT_LOWER | CT_UPPER | CT_DIGIT)
-CT_ALPHA 	= (CT_LOWER | CT_UPPER)
-CT_CTRL_SPACE	= (CT_CTRL | CT_SPACE)
-CT_NOT_PUNCT	= (CT_SPACE | CT_CTRL | CT_DIGIT | CT_UPPER | CT_LOWER)
+CT_ALNUM        = (CT_LOWER | CT_UPPER | CT_DIGIT)
+CT_ALPHA        = (CT_LOWER | CT_UPPER)
+CT_CTRL_SPACE   = (CT_CTRL | CT_SPACE)
+CT_NOT_PUNCT    = (CT_SPACE | CT_CTRL | CT_DIGIT | CT_UPPER | CT_LOWER)
 
 
diff --git a/asminc/em-kernel.inc b/asminc/em-kernel.inc
index e17b9c6be..1df969225 100644
--- a/asminc/em-kernel.inc
+++ b/asminc/em-kernel.inc
@@ -36,19 +36,19 @@
 ;------------------------------------------------------------------------------
 ; The driver header
 
-.struct	EMD_HDR
-	ID	.byte	3	; Contains 0x65, 0x6d, 0x64 ("emd")
-	VERSION .byte	1	; Interface version
-	JUMPTAB .struct
-	    INSTALL	.word	; INSTALL routine
-	    UNINSTALL	.word	; UNINSTALL routine
-	    PAGECOUNT	.word	; PAGECOUNT routine
-	    MAP	.word	; MAP routine
-	    USE	.word	; USE routine
-	    MAPCLEAN	.word	; MAPCLEAN routine
-	    COPYFROM	.word	; COPYFROM routine
-	    COPYTO	.word	; COPYTO routine
-	.endstruct
+.struct EMD_HDR
+        ID      .byte   3       ; Contains 0x65, 0x6d, 0x64 ("emd")
+        VERSION .byte   1       ; Interface version
+        JUMPTAB .struct
+            INSTALL     .word   ; INSTALL routine
+            UNINSTALL   .word   ; UNINSTALL routine
+            PAGECOUNT   .word   ; PAGECOUNT routine
+            MAP .word   ; MAP routine
+            USE .word   ; USE routine
+            MAPCLEAN    .word   ; MAPCLEAN routine
+            COPYFROM    .word   ; COPYFROM routine
+            COPYTO      .word   ; COPYTO routine
+        .endstruct
 .endstruct
 
 ;------------------------------------------------------------------------------
@@ -59,18 +59,18 @@ EMD_API_VERSION         = $00
 ;------------------------------------------------------------------------------
 ; The asm equivalent to the C em_copy structure
 
-.struct	EM_COPY
-	BUF	.word		; Memory buffer to copy from or to
-	OFFS	.byte		; Offset into page
-	PAGE	.word		; Starting page to copy from or to
-	COUNT	.word		; Number of bytes to copy
-	UNUSED	.byte		; Make the size 8 bytes
+.struct EM_COPY
+        BUF     .word           ; Memory buffer to copy from or to
+        OFFS    .byte           ; Offset into page
+        PAGE    .word           ; Starting page to copy from or to
+        COUNT   .word           ; Number of bytes to copy
+        UNUSED  .byte           ; Make the size 8 bytes
 .endstruct
 
 ;------------------------------------------------------------------------------
 ; Variables
 
-       	.global	_em_drv                         ; Pointer to driver
+        .global _em_drv                         ; Pointer to driver
 
 ;------------------------------------------------------------------------------
 ; Driver entry points
@@ -81,25 +81,25 @@ EMD_API_VERSION         = $00
         .global emd_map
         .global emd_use
         .global emd_commit
-	.global	emd_copyfrom
+        .global emd_copyfrom
         .global emd_copyto
 
 ;------------------------------------------------------------------------------
 ; ASM functions
 
-       	.global	em_clear_ptr
+        .global em_clear_ptr
 
 ;------------------------------------------------------------------------------
 ; C callable functions
 
-	.global	_em_load_driver
-	.global	_em_unload
-	.global	_em_install
-	.global _em_uninstall
-	.global	_em_pagecount
-	.global	_em_map
-	.global _em_use
-	.global	_em_commit
-	.global _em_copyfrom
-	.global	_em_copyto
+        .global _em_load_driver
+        .global _em_unload
+        .global _em_install
+        .global _em_uninstall
+        .global _em_pagecount
+        .global _em_map
+        .global _em_use
+        .global _em_commit
+        .global _em_copyfrom
+        .global _em_copyto
 
diff --git a/asminc/errno.inc b/asminc/errno.inc
index 733671973..83cd9a75d 100644
--- a/asminc/errno.inc
+++ b/asminc/errno.inc
@@ -12,23 +12,23 @@
 ; Error codes, must match the values in the C headers
 .enum
         EOK                     ; No error
-        ENOENT 	       	        ; No such file or directory
-        ENOMEM 	       	        ; Out of memory
-        EACCES 	       	        ; Permission denied
-        ENODEV 	       	        ; No such device
-        EMFILE 	       	        ; Too many open files
-        EBUSY  	       	        ; Device or resource busy
-        EINVAL 	       	        ; Invalid argument
-        ENOSPC 	       	        ; No space left on device
-        EEXIST 	       	        ; File exists
-        EAGAIN 	       	        ; Try again
-        EIO    	       	        ; I/O error
-        EINTR  	       	        ; Interrupted system call
-        ENOSYS 	       	        ; Function not implemented
-        ESPIPE 	       	        ; Illegal seek
+        ENOENT                  ; No such file or directory
+        ENOMEM                  ; Out of memory
+        EACCES                  ; Permission denied
+        ENODEV                  ; No such device
+        EMFILE                  ; Too many open files
+        EBUSY                   ; Device or resource busy
+        EINVAL                  ; Invalid argument
+        ENOSPC                  ; No space left on device
+        EEXIST                  ; File exists
+        EAGAIN                  ; Try again
+        EIO                     ; I/O error
+        EINTR                   ; Interrupted system call
+        ENOSYS                  ; Function not implemented
+        ESPIPE                  ; Illegal seek
         ERANGE                  ; Range error
         EBADF                   ; Bad file number
-        EUNKNOWN       	        ; Unknown OS specific error - must be last!
+        EUNKNOWN                ; Unknown OS specific error - must be last!
 
         EMAX    = EUNKNOWN      ; Highest error code
 .endenum
diff --git a/asminc/fcntl.inc b/asminc/fcntl.inc
index 49c11a9b5..5e6333d91 100644
--- a/asminc/fcntl.inc
+++ b/asminc/fcntl.inc
@@ -8,12 +8,12 @@ STDOUT_FILENO   = 1
 STDERR_FILENO   = 2
 
 ; File mode constants, must match the values in the C headers
-O_RDONLY	= $01
-O_WRONLY	= $02
-O_RDWR		= $03
-O_CREAT		= $10
-O_TRUNC		= $20
-O_APPEND	= $40
+O_RDONLY        = $01
+O_WRONLY        = $02
+O_RDWR          = $03
+O_CREAT         = $10
+O_TRUNC         = $20
+O_APPEND        = $40
 O_EXCL          = $80
 
 
diff --git a/asminc/joy-kernel.inc b/asminc/joy-kernel.inc
index 8f890f141..6c360dd43 100644
--- a/asminc/joy-kernel.inc
+++ b/asminc/joy-kernel.inc
@@ -40,16 +40,16 @@
 ; Driver header stuff
 
 .struct JOY_HDR
-	ID	.byte	3	; $6A, $6F, $79 ("joy")
-	VERSION .byte	1	; Interface version
-	MASKS	.byte	8	; Joystick state mask array
-	JUMPTAB .struct
-	    INSTALL	.word	; INSTALL routine
-	    UNINSTALL   .word	; UNINSTALL routine
-	    COUNT       .word	; COUNT routine
-	    READ 	.word	; READ routine
+        ID      .byte   3       ; $6A, $6F, $79 ("joy")
+        VERSION .byte   1       ; Interface version
+        MASKS   .byte   8       ; Joystick state mask array
+        JUMPTAB .struct
+            INSTALL     .word   ; INSTALL routine
+            UNINSTALL   .word   ; UNINSTALL routine
+            COUNT       .word   ; COUNT routine
+            READ        .word   ; READ routine
             IRQ         .word   ; IRQ routine
-	.endstruct
+        .endstruct
 .endstruct
 
 ;------------------------------------------------------------------------------
@@ -60,7 +60,7 @@ JOY_API_VERSION         = $01
 ;------------------------------------------------------------------------------
 ; Variables
 
-       	.global	_joy_drv                        ; Pointer to driver
+        .global _joy_drv                        ; Pointer to driver
         .global _joy_masks
 
 ;------------------------------------------------------------------------------
@@ -76,10 +76,10 @@ JOY_API_VERSION         = $01
 
         .global _joy_load_driver
         .global _joy_unload
-       	.global	_joy_install
-       	.global _joy_uninstall
-       	.global	_joy_count
-       	.global	_joy_read
+        .global _joy_install
+        .global _joy_uninstall
+        .global _joy_count
+        .global _joy_read
 
         .global _joy_clear_ptr
 
diff --git a/asminc/modload.inc b/asminc/modload.inc
index 07c052c08..168dd679d 100644
--- a/asminc/modload.inc
+++ b/asminc/modload.inc
@@ -63,7 +63,7 @@
 ; /* Free a loaded module. Note: The given pointer is the pointer to the
 ;  * module memory, not a pointer to a control structure.
 ;  */
-.global		_mod_free
+.global         _mod_free
 
 ; Errors
 .enum
diff --git a/asminc/mouse-kernel.inc b/asminc/mouse-kernel.inc
index 91d84e06e..24a9f7632 100644
--- a/asminc/mouse-kernel.inc
+++ b/asminc/mouse-kernel.inc
@@ -2,7 +2,7 @@
 ;/*                                                                           */
 ;/*                            mouse-kernel.inc                               */
 ;/*                                                                           */
-;/*			     	   Mouse API				      */
+;/*                                Mouse API                                  */
 ;/*                                                                           */
 ;/*                                                                           */
 ;/*                                                                           */
@@ -53,23 +53,23 @@
 ;------------------------------------------------------------------------------
 ; The driver header
 
-.struct	MOUSE_HDR
-	ID   	        .byte  	3       ; Contains 0x6D, 0x6F, 0x75 ("mou")
-	VERSION         .byte  	1      	; Interface version
-	JUMPTAB         .struct
-	    INSTALL  	.addr
-	    UNINSTALL	.addr
-       	    HIDE        .addr
-	    SHOW        .addr
-       	    SETBOX      .addr
-	    GETBOX	.addr
-	    MOVE        .addr
-	    BUTTONS     .addr
-	    POS         .addr
+.struct MOUSE_HDR
+        ID              .byte   3       ; Contains 0x6D, 0x6F, 0x75 ("mou")
+        VERSION         .byte   1       ; Interface version
+        JUMPTAB         .struct
+            INSTALL     .addr
+            UNINSTALL   .addr
+            HIDE        .addr
+            SHOW        .addr
+            SETBOX      .addr
+            GETBOX      .addr
+            MOVE        .addr
+            BUTTONS     .addr
+            POS         .addr
             INFO        .addr
             IOCTL       .addr
-	    IRQ	     	.addr
-	.endstruct
+            IRQ         .addr
+        .endstruct
         FLAGS           .byte           ; Mouse driver flags
         CALLBACKS .struct               ; Jump instructions
                         .byte           ; JMP opcode
@@ -86,10 +86,10 @@
 ;------------------------------------------------------------------------------
 ; The mouse callback structure
 
-.struct	MOUSE_CALLBACKS
-	HIDE	.addr			; Hide the mouse cursor
-	SHOW	.addr			; Show the mouse cursor
-       	MOVEX	.addr			; Move the mouse cursor
+.struct MOUSE_CALLBACKS
+        HIDE    .addr                   ; Hide the mouse cursor
+        SHOW    .addr                   ; Show the mouse cursor
+        MOVEX   .addr                   ; Move the mouse cursor
         MOVEY   .addr                   ; Dito for Y
 .endstruct
 
@@ -112,7 +112,7 @@ MOUSE_FLAG_LATE_IRQ     = $80           ; Enable IRQ *after* calling INSTALL
 ;------------------------------------------------------------------------------
 ; Mouse button definitions
 
-MOUSE_BTN_LEFT 	        = $10
+MOUSE_BTN_LEFT          = $10
 MOUSE_BTN_RIGHT         = $01
 
 ;------------------------------------------------------------------------------
@@ -129,16 +129,16 @@ MOUSE_BTN_RIGHT         = $01
 .endstruct
 
 .struct MOUSE_BOX
-	MINX	.word
-    	MINY	.word
-	MAXX	.word
-	MAXY	.word
+        MINX    .word
+        MINY    .word
+        MAXX    .word
+        MAXY    .word
 .endstruct
 
 ;------------------------------------------------------------------------------
 ; Variables
 
-       	.global	_mouse_drv              ; Pointer to driver
+        .global _mouse_drv              ; Pointer to driver
         .global _mouse_hidden           ; Counter, 0 = mouse is visible
 
 ;------------------------------------------------------------------------------
@@ -152,14 +152,14 @@ MOUSE_BTN_RIGHT         = $01
         .global _mouse_hide
         .global _mouse_show
         .global _mouse_setbox
-	.global	_mouse_getbox
+        .global _mouse_getbox
         .global _mouse_move
         .global _mouse_buttons
         .global _mouse_pos
         .global _mouse_info
         .global _mouse_ioctl
 
-	.global _mouse_clear_ptr
+        .global _mouse_clear_ptr
 
 ;------------------------------------------------------------------------------
 ; Driver entry points (asm callable)
@@ -168,8 +168,8 @@ MOUSE_BTN_RIGHT         = $01
         .global mouse_uninstall
         .global mouse_hide
         .global mouse_show
-        .global mouse_setbox			 
-	.global mouse_getbox
+        .global mouse_setbox                     
+        .global mouse_getbox
         .global mouse_move
         .global mouse_buttons
         .global mouse_pos
diff --git a/asminc/nes.inc b/asminc/nes.inc
index 1ee5ebc8f..cc83d7cea 100644
--- a/asminc/nes.inc
+++ b/asminc/nes.inc
@@ -5,17 +5,17 @@
 
 ;; FIXME: optimize zeropage usage
 
-SCREEN_PTR	= $62           ;2
+SCREEN_PTR      = $62           ;2
 CRAM_PTR        = $64           ;2
-CHARCOLOR	= $66
-BGCOLOR		= $67
-RVS		= $68
-CURS_X		= $69
-CURS_Y		= $6a
+CHARCOLOR       = $66
+BGCOLOR         = $67
+RVS             = $68
+CURS_X          = $69
+CURS_Y          = $6a
 
 tickcount       = $6b           ;2
 
-VBLANK_FLAG	= $70
+VBLANK_FLAG     = $70
 
 ringbuff        = $0200
 ringwrite       = $71
@@ -26,20 +26,20 @@ ppuhi           = $74
 ppulo           = $75
 ppuval          = $76
 
-screenrows 	= (30-1)
+screenrows      = (30-1)
 charsperline    = 32
 xsize           = charsperline
 
 ;; PPU defines
 
-PPU_CTRL1      	= $2000
-PPU_CTRL2	= $2001
-PPU_STATUS	= $2002
-PPU_SPR_ADDR	= $2003
-PPU_SPR_IO  	= $2004
-PPU_VRAM_ADDR1	= $2005
-PPU_VRAM_ADDR2	= $2006
-PPU_VRAM_IO	= $2007
+PPU_CTRL1       = $2000
+PPU_CTRL2       = $2001
+PPU_STATUS      = $2002
+PPU_SPR_ADDR    = $2003
+PPU_SPR_IO      = $2004
+PPU_VRAM_ADDR1  = $2005
+PPU_VRAM_ADDR2  = $2006
+PPU_VRAM_IO     = $2007
 
 ;; APU defines
 
@@ -63,30 +63,30 @@ APU_MODCTRL     = $4010         ; Delta Modulation Control Register (W)
 APU_MODDA       = $4011         ; Delta Modulation D/A Register (W)
 APU_MODADDR     = $4012         ; Delta Modulation Address Register (W)
 APU_MODLEN      = $4013         ; Delta Modulation Data Length Register (W)
-APU_SPR_DMA    	= $4014         ; Sprite DMA Register (W)
-APU_CHANCTRL   	= $4015         ; Sound/Vertical Clock Signal Register (R)
-APU_PAD1       	= $4016         ; Joypad #1 (RW)
-APU_PAD2	= $4017         ; Joypad #2/SOFTCLK (RW)
+APU_SPR_DMA     = $4014         ; Sprite DMA Register (W)
+APU_CHANCTRL    = $4015         ; Sound/Vertical Clock Signal Register (R)
+APU_PAD1        = $4016         ; Joypad #1 (RW)
+APU_PAD2        = $4017         ; Joypad #2/SOFTCLK (RW)
 
 
-CH_HLINE    	= 11
-CH_VLINE    	= 14
-CH_ULCORNER 	= 176
-CH_URCORNER 	= 174
-CH_LLCORNER 	= 173
-CH_LRCORNER 	= 189
-CH_TTEE	    	= 178
-CH_RTEE	    	= 179
-CH_BTEE	    	= 177
-CH_LTEE	    	= 171
-CH_CROSS    	= 123
-CH_CURS_UP     	= 145
-CH_CURS_DOWN	= 17
-CH_CURS_LEFT	= 157
-CH_CURS_RIGHT	= 29
-CH_PI		= 126
-CH_DEL		= 20
-CH_INS		= 148
+CH_HLINE        = 11
+CH_VLINE        = 14
+CH_ULCORNER     = 176
+CH_URCORNER     = 174
+CH_LLCORNER     = 173
+CH_LRCORNER     = 189
+CH_TTEE         = 178
+CH_RTEE         = 179
+CH_BTEE         = 177
+CH_LTEE         = 171
+CH_CROSS        = 123
+CH_CURS_UP      = 145
+CH_CURS_DOWN    = 17
+CH_CURS_LEFT    = 157
+CH_CURS_RIGHT   = 29
+CH_PI           = 126
+CH_DEL          = 20
+CH_INS          = 148
 CH_ENTER        = 10
 CH_STOP         = 3
 CH_ESC          = 27
diff --git a/asminc/o65.inc b/asminc/o65.inc
index 5bdbe05cb..6e0caa76b 100644
--- a/asminc/o65.inc
+++ b/asminc/o65.inc
@@ -1,8 +1,8 @@
 ;*****************************************************************************/
 ;*                                                                           */
-;*     	       	       	       	    o65.inc				     */
+;*                                  o65.inc                                  */
 ;*                                                                           */
-;*		      Definitions for the o65 file format		     */
+;*                    Definitions for the o65 file format                    */
 ;*                                                                           */
 ;*                                                                           */
 ;*                                                                           */
@@ -64,7 +64,7 @@ O65_MAGIC_2             =       $35     ; '5'
 O65_VERSION             =       $00
 
 ; Defines for the mode word
-O65_CPU_65816           =       $8000  	; Executable is for 65816
+O65_CPU_65816           =       $8000   ; Executable is for 65816
 O65_CPU_6502            =       $0000   ; Executable is for the 6502
 O65_CPU_MASK            =       $8000   ; Mask to extract CPU type
 
@@ -91,7 +91,7 @@ O65_BSSZERO             =       $0200   ; BSS segment must be zeroed
 O65_BSSZERO_MASK        =       $0200   ; Mask to extract bss zero flag
 
 ; The following is used if O65_CPU == 6502
-O65_CPU2_6502  	       	=       $0000   ; Executable is for 6502
+O65_CPU2_6502           =       $0000   ; Executable is for 6502
 O65_CPU2_65C02          =       $0010   ; Executable is for 65C02
 O65_CPU2_65SC02         =       $0020   ; Executable is for 65SC02
 O65_CPU2_65CE02         =       $0030   ; Executable is for 65CE02
@@ -127,14 +127,14 @@ O65_SEGID_MASK          =       $07
 
 ; Option tags
 O65_OPT_FILENAME        =       0
-O65_OPT_OS     	       	=       1
-O65_OPT_ASM    	       	=       2
-O65_OPT_AUTHOR 	       	=       3
-O65_OPT_TIMESTAMP      	=       4
+O65_OPT_OS              =       1
+O65_OPT_ASM             =       2
+O65_OPT_AUTHOR          =       3
+O65_OPT_TIMESTAMP       =       4
 
 ; Operating system codes for O65_OPT_OS
-O65_OS_OSA65   	       	=       1
-O65_OS_LUNIX   	       	=       2
+O65_OS_OSA65            =       1
+O65_OS_LUNIX            =       2
 O65_OS_CC65             =       3
 O65_OS_OPENCBM          =       4
 
diff --git a/asminc/pet.inc b/asminc/pet.inc
index 1950046cc..a3dadf48d 100644
--- a/asminc/pet.inc
+++ b/asminc/pet.inc
@@ -6,25 +6,25 @@
 ; ---------------------------------------------------------------------------
 ; Zero page, Commodore stuff
 
-MEMSIZE	       	:= $34          ; Size of memory installed
+MEMSIZE         := $34          ; Size of memory installed
 TIME            := $8D          ; 60HZ clock
-KEY_COUNT      	:= $9E          ; Number of keys in input buffer
-RVS		:= $9F          ; Reverse flag
-CURS_FLAG	:= $A7          ; 1 = cursor off
-CURS_BLINK	:= $A8          ; Blink counter
-CURS_CHAR	:= $A9          ; Character under the cursor
-CURS_STATE     	:= $AA          ; Cursor blink state
-SCREEN_PTR     	:= $C4          ; Pointer to current char in text screen
-CURS_X 	       	:= $C6          ; Cursor column
+KEY_COUNT       := $9E          ; Number of keys in input buffer
+RVS             := $9F          ; Reverse flag
+CURS_FLAG       := $A7          ; 1 = cursor off
+CURS_BLINK      := $A8          ; Blink counter
+CURS_CHAR       := $A9          ; Character under the cursor
+CURS_STATE      := $AA          ; Cursor blink state
+SCREEN_PTR      := $C4          ; Pointer to current char in text screen
+CURS_X          := $C6          ; Cursor column
 FNLEN           := $D1          ; Length of filename
 LFN             := $D2          ; Current Logical File Number
-SECADR	 	:= $D3          ; Secondary address
-DEVNUM	 	:= $D4          ; Device number
-SCR_LINELEN	:= $D5          ; Screen line length
-CURS_Y 	       	:= $D8          ; Cursor row
+SECADR          := $D3          ; Secondary address
+DEVNUM          := $D4          ; Device number
+SCR_LINELEN     := $D5          ; Screen line length
+CURS_Y          := $D8          ; Cursor row
 FNADR           := $DA          ; Pointer to file name
 
-KEY_BUF	       	:= $26F         ; Keyboard buffer
+KEY_BUF         := $26F         ; Keyboard buffer
 
 ;----------------------------------------------------------------------------
 ; PET ROM type detection
@@ -38,17 +38,17 @@ PET_4000        = $FD
 ;----------------------------------------------------------------------------
 ; Vector and other locations
 
-IRQVec		:= $0090
-BRKVec		:= $0092
-NMIVec		:= $0094
+IRQVec          := $0090
+BRKVec          := $0092
+NMIVec          := $0094
 
 ; ---------------------------------------------------------------------------
 ; I/O: 6522 VIA2
 
-VIA   	       	:= $E840
+VIA             := $E840
 VIA_PRB         := $E840
 VIA_PRA         := $E841
-VIA_DDRB      	:= $E842
-VIA_DDRA      	:= $E843
+VIA_DDRB        := $E842
+VIA_DDRA        := $E843
 
 
diff --git a/asminc/plus4.inc b/asminc/plus4.inc
index 8d07731b2..014c18e60 100644
--- a/asminc/plus4.inc
+++ b/asminc/plus4.inc
@@ -8,41 +8,41 @@
 
 TMPPTR          := $22          ; Temporary ptr used by BASIC
 TIME            := $A3          ; 60HZ clock
-FNAM_LEN       	:= $AB 	    	; Length of filename
+FNAM_LEN        := $AB          ; Length of filename
 LFN             := $AC          ; Logical file number
-SECADR 	       	:= $AD 	    	; Secondary address
-DEVNUM 	       	:= $AE 	    	; Device number
+SECADR          := $AD          ; Secondary address
+DEVNUM          := $AE          ; Device number
 FNAM            := $AF          ; Pointer to filename for OPEN
-KEY_COUNT      	:= $EF 	    	; Number of keys in input buffer
+KEY_COUNT       := $EF          ; Number of keys in input buffer
 RVS             := $C2          ; Reverse flag
-CURS_X 	       	:= $CA  	; Cursor column
-CURS_Y 	       	:= $CD  	; Cursor row
-SCREEN_PTR     	:= $C8  	; Pointer to current char in text screen
-CRAM_PTR       	:= $EA  	; Pointer to current char in color RAM
+CURS_X          := $CA          ; Cursor column
+CURS_Y          := $CD          ; Cursor row
+SCREEN_PTR      := $C8          ; Pointer to current char in text screen
+CRAM_PTR        := $EA          ; Pointer to current char in color RAM
 
-BASIC_BUF      	:= $200		; Location of command-line
-BASIC_BUF_LEN	= 89		; Maximum length of command-line
+BASIC_BUF       := $200         ; Location of command-line
+BASIC_BUF_LEN   = 89            ; Maximum length of command-line
 
-FNBUF  	       	:= $25E         ; Buffer for filename
+FNBUF           := $25E         ; Buffer for filename
 FETCH           := $494         ; lda (zp),y from RAM
 CHARCOLOR       := $53B
-FKEY_COUNT     	:= $55D	        ; Characters for function key
-FKEY_SPACE     	:= $55F	        ; Function key definitions
-FKEY_ORIG      	:= $F3D2	; Original definitions
+FKEY_COUNT      := $55D         ; Characters for function key
+FKEY_SPACE      := $55F         ; Function key definitions
+FKEY_ORIG       := $F3D2        ; Original definitions
 
 ; ---------------------------------------------------------------------------
 ; Kernal routines
 
 ; Direct entries
-CLRSCR 	       	:= $D88B
-KBDREAD	       	:= $D8C1
+CLRSCR          := $D88B
+KBDREAD         := $D8C1
 
 ; ---------------------------------------------------------------------------
 ; Vector and other locations
 
-IRQVec 	       	:= $0314
-BRKVec 	       	:= $0316
-NMIVec 	       	:= $0318
+IRQVec          := $0314
+BRKVec          := $0316
+NMIVec          := $0318
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -53,29 +53,29 @@ YSIZE           = 25
 ; ---------------------------------------------------------------------------
 ; I/O
 
-TED_T1LO       	:= $FF00
-TED_T1HI       	:= $FF01
-TED_T2LO       	:= $FF02
-TED_T2HI       	:= $FF03
-TED_T3LO       	:= $FF04
-TED_T4HI       	:= $FF05
+TED_T1LO        := $FF00
+TED_T1HI        := $FF01
+TED_T2LO        := $FF02
+TED_T2HI        := $FF03
+TED_T3LO        := $FF04
+TED_T4HI        := $FF05
 TED_MULTI1      := $FF07
-TED_KBD	       	:= $FF08
-TED_CURSHI     	:= $FF0C
-TED_CURSLO     	:= $FF0D
-TED_V1FRQLO    	:= $FF0E
-TED_V2FRQLO    	:= $FF0F
-TED_V2FRQHI    	:= $FF10
-TED_BGCOLOR    	:= $FF15
-TED_COLOR1     	:= $FF16
-TED_COLOR2     	:= $FF17
-TED_COLOR3     	:= $FF18
-TED_BORDERCOLOR	:= $FF19
-TED_VLINEHI    	:= $FF1C
-TED_VLINELO    	:= $FF1D
-TED_HPOS       	:= $FF1E
-TED_ROMSEL     	:= $FF3E
-TED_RAMSEL     	:= $FF3F
+TED_KBD         := $FF08
+TED_CURSHI      := $FF0C
+TED_CURSLO      := $FF0D
+TED_V1FRQLO     := $FF0E
+TED_V2FRQLO     := $FF0F
+TED_V2FRQHI     := $FF10
+TED_BGCOLOR     := $FF15
+TED_COLOR1      := $FF16
+TED_COLOR2      := $FF17
+TED_COLOR3      := $FF18
+TED_BORDERCOLOR := $FF19
+TED_VLINEHI     := $FF1C
+TED_VLINELO     := $FF1D
+TED_HPOS        := $FF1E
+TED_ROMSEL      := $FF3E
+TED_RAMSEL      := $FF3F
 
 ; ---------------------------------------------------------------------------
 ; RAM/ROM selection addresses
diff --git a/asminc/ser-kernel.inc b/asminc/ser-kernel.inc
index c8eab707a..7fc5bf9c2 100644
--- a/asminc/ser-kernel.inc
+++ b/asminc/ser-kernel.inc
@@ -48,7 +48,7 @@
             PUT         .word   ; PUT routine
             STATUS      .word   ; STATUS routine
             IOCTL       .word   ; IOCTL routine
-	    IRQ		.word	; IRQ routine
+            IRQ         .word   ; IRQ routine
         .endstruct
 .endstruct
 
@@ -74,44 +74,44 @@ SER_API_VERSION         = $00
 
 ; Baudrate
 SER_BAUD_45_5           =       $00
-SER_BAUD_50            	=       $01
+SER_BAUD_50             =       $01
 SER_BAUD_75             =       $02
-SER_BAUD_110           	=       $03
-SER_BAUD_134_5         	=       $04
+SER_BAUD_110            =       $03
+SER_BAUD_134_5          =       $04
 SER_BAUD_150            =       $05
-SER_BAUD_300           	=       $06
-SER_BAUD_600           	=       $07
-SER_BAUD_1200          	=       $08
+SER_BAUD_300            =       $06
+SER_BAUD_600            =       $07
+SER_BAUD_1200           =       $08
 SER_BAUD_1800           =       $09
-SER_BAUD_2400          	=       $0A
+SER_BAUD_2400           =       $0A
 SER_BAUD_3600           =       $0B
-SER_BAUD_4800          	=       $0C
+SER_BAUD_4800           =       $0C
 SER_BAUD_7200           =       $0D
-SER_BAUD_9600          	=       $0E
-SER_BAUD_19200         	=       $0F
-SER_BAUD_38400         	=       $10
-SER_BAUD_57600         	=       $11
-SER_BAUD_115200        	=       $12
-SER_BAUD_230400        	=       $13
-SER_BAUD_31250		=	$14
-SER_BAUD_62500		=	$15
+SER_BAUD_9600           =       $0E
+SER_BAUD_19200          =       $0F
+SER_BAUD_38400          =       $10
+SER_BAUD_57600          =       $11
+SER_BAUD_115200         =       $12
+SER_BAUD_230400         =       $13
+SER_BAUD_31250          =       $14
+SER_BAUD_62500          =       $15
 
 ; Data bit settings
-SER_BITS_5             	=       $00
-SER_BITS_6             	=       $01
-SER_BITS_7             	=       $02
-SER_BITS_8             	=       $03
+SER_BITS_5              =       $00
+SER_BITS_6              =       $01
+SER_BITS_7              =       $02
+SER_BITS_8              =       $03
 
 ; Stop bit settings
-SER_STOP_1             	=       $00
-SER_STOP_2             	=       $01
+SER_STOP_1              =       $00
+SER_STOP_2              =       $01
 
 ; Parity
-SER_PAR_NONE           	=       $00
-SER_PAR_ODD            	=       $01
-SER_PAR_EVEN           	=       $02
-SER_PAR_MARK           	=       $03
-SER_PAR_SPACE          	=       $04
+SER_PAR_NONE            =       $00
+SER_PAR_ODD             =       $01
+SER_PAR_EVEN            =       $02
+SER_PAR_MARK            =       $03
+SER_PAR_SPACE           =       $04
 
 ; Handshake
 SER_HS_NONE             =       $00    ; No handshake
@@ -119,16 +119,16 @@ SER_HS_HW               =       $01    ; Hardware (RTS/CTS) handshake
 SER_HS_SW               =       $02    ; Software handshake
 
 ; Bit masks to mask out things from the status returned by ser_status
-SER_STATUS_PE          	=       $01	; Parity error
-SER_STATUS_FE  	       	=       $02	; Framing error
-SER_STATUS_OE           =       $04	; Overrun error
-SER_STATUS_DCD 	       	=       $20	; NOT data carrier detect
-SER_STATUS_DSR 	       	=       $40	; NOT data set ready
+SER_STATUS_PE           =       $01     ; Parity error
+SER_STATUS_FE           =       $02     ; Framing error
+SER_STATUS_OE           =       $04     ; Overrun error
+SER_STATUS_DCD          =       $20     ; NOT data carrier detect
+SER_STATUS_DSR          =       $40     ; NOT data set ready
 
 ;------------------------------------------------------------------------------
 ; Variables
 
-       	.global	_ser_drv                         ; Pointer to driver
+        .global _ser_drv                         ; Pointer to driver
 
 ;------------------------------------------------------------------------------
 ; Driver entry points
@@ -141,7 +141,7 @@ SER_STATUS_DSR 	       	=       $40	; NOT data set ready
         .global ser_put
         .global ser_status
         .global ser_ioctl
-	.global	ser_irq
+        .global ser_irq
 
 ;------------------------------------------------------------------------------
 ; C callable functions
diff --git a/asminc/smc.inc b/asminc/smc.inc
index ef710a30e..383417c3d 100644
--- a/asminc/smc.inc
+++ b/asminc/smc.inc
@@ -21,12 +21,12 @@
 ;    distribution.
 ;
 
-.define _SMCDesignator .mid(0, .tcount(label) - 1, label) .ident(.concat(.string(.right(1, label)), "_SMC"))
-.define _SMCAlias .mid(0, .tcount(alias) - 1, alias) .ident(.concat(.string(.right(1, alias)), "_SMC"))
+.define _SMCDesignator  .mid(0, .tcount(label) - 1, label) .ident(.concat(.string(.right(1, label)), "_SMC"))
+.define _SMCAlias       .mid(0, .tcount(alias) - 1, alias) .ident(.concat(.string(.right(1, alias)), "_SMC"))
 .define SMC_AbsAdr      $FADE
-.define SMC_ZpAdr               $00
+.define SMC_ZpAdr       $00
 .define SMC_Opcode      nop
-.define SMC_Value               $42
+.define SMC_Value       $42
 
 .macro SMC_OperateOnValue opcode, label
         opcode _SMCDesignator+1
@@ -48,86 +48,86 @@
 .export _SMCAlias := _SMCDesignator
 .endmacro
 
-.macro  SMC	label, statement
+.macro  SMC     label, statement
 _SMCDesignator: statement
 .endmacro
 
 .macro SMC_TransferOpcode       label, opcode, register
 .if .paramcount = 2 .or .match ({register}, a)
-                        lda #opcode
-                        sta _SMCDesignator
+        lda #opcode
+        sta _SMCDesignator
 .elseif .match ({register}, x)
-                        ldx #opcode
-                        stx _SMCDesignator
+        ldx #opcode
+        stx _SMCDesignator
 .elseif .match ({register}, y)
-                        ldy #opcode
-                        sty _SMCDesignator
+        ldy #opcode
+        sty _SMCDesignator
 .endif
 .endmacro
 
 .macro SMC_LoadOpcode   label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        lda _SMCDesignator
+        lda _SMCDesignator
 .elseif .match ({register}, x)
-                        ldx _SMCDesignator
+        ldx _SMCDesignator
 .elseif .match ({register}, y)
-                        ldy _SMCDesignator
+        ldy _SMCDesignator
 .endif
 .endmacro
 
 .macro SMC_StoreOpcode  label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        sta _SMCDesignator
+        sta _SMCDesignator
 .elseif .match ({register}, x)
-                        stx _SMCDesignator
+        stx _SMCDesignator
 .elseif .match ({register}, y)
-                        sty _SMCDesignator
+        sty _SMCDesignator
 .endif
 .endmacro
 
 .macro SMC_ChangeBranch         label, destination, register
 .if .paramcount = 2 .or .match ({register}, a)
-                        lda #(destination - _SMCDesignator -2)
-                        sta _SMCDesignator+1
+        lda #(destination - _SMCDesignator -2)
+        sta _SMCDesignator+1
 .elseif .match ({register}, x)
-                        ldx #(destination - _SMCDesignator - 2)
-                        stx _SMCDesignator+1
+        ldx #(destination - _SMCDesignator - 2)
+        stx _SMCDesignator+1
 .elseif .match ({register}, y)
-                        ldy #(destination - _SMCDesignator - 2)
-                        sty _SMCDesignator+1
+        ldy #(destination - _SMCDesignator - 2)
+        sty _SMCDesignator+1
 .endif
 .endmacro
 
 .macro SMC_TransferValue        label, value, register
 .if .paramcount = 2 .or .match ({register}, a)
-                        lda value
-                        sta _SMCDesignator+1
+        lda value
+        sta _SMCDesignator+1
 .elseif .match ({register}, x)
-                        ldx value
-                        stx _SMCDesignator+1
+        ldx value
+        stx _SMCDesignator+1
 .elseif .match ({register}, y)
-                        ldy value
-                        sty _SMCDesignator+1
+        ldy value
+        sty _SMCDesignator+1
 .endif
 .endmacro
 
 .macro SMC_LoadValue    label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        lda _SMCDesignator+1
+        lda _SMCDesignator+1
 .elseif .match ({register}, x)
-                        ldx _SMCDesignator+1
+        ldx _SMCDesignator+1
 .elseif .match ({register}, y)
-                        ldy _SMCDesignator+1
+        ldy _SMCDesignator+1
 .endif
 .endmacro
 
 .macro SMC_StoreValue   label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        sta _SMCDesignator+1
+        sta _SMCDesignator+1
 .elseif .match ({register}, x)
-                        stx _SMCDesignator+1
+        stx _SMCDesignator+1
 .elseif .match ({register}, y)
-                        sty _SMCDesignator+1
+        sty _SMCDesignator+1
 .endif
 .endmacro
 
@@ -146,49 +146,48 @@ SMC_StoreValue label, register
 
 .macro SMC_TransferHighByte     label, value, register
 .if .paramcount = 2 .or .match ({register}, a)
-                        lda	value
-                        sta _SMCDesignator+2
+        lda value
+        sta _SMCDesignator+2
 .elseif .match ({register}, x)
-                        ldx value
-                        stx _SMCDesignator+2
+        ldx value
+        stx _SMCDesignator+2
 .elseif .match ({register}, y)
-                        ldy value
-                        sty _SMCDesignator+2
+        ldy value
+        sty _SMCDesignator+2
 .endif
 .endmacro
 
 .macro SMC_LoadHighByte label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        lda _SMCDesignator+2
+        lda _SMCDesignator+2
 .elseif .match ({register}, x)
-                        ldx _SMCDesignator+2
+        ldx _SMCDesignator+2
 .elseif .match ({register}, y)
-                        ldy _SMCDesignator+2
+        ldy _SMCDesignator+2
 .endif
 .endmacro
 
 .macro SMC_StoreHighByte        label, register
 .if .paramcount = 1 .or .match ({register}, a)
-                        sta _SMCDesignator+2
+        sta _SMCDesignator+2
 .elseif .match ({register}, x)
-                        stx _SMCDesignator+2
+        stx _SMCDesignator+2
 .elseif .match ({register}, y)
-                        sty _SMCDesignator+2
+        sty _SMCDesignator+2
 .endif
 .endmacro
 
-
 .macro SMC_TransferAddressSingle        label, address, register
 .if .paramcount = 2 .or .match ((register), a)
         .if (.match (.left (1, {address}), #))
                 ; immediate mode
-        lda     #<(.right (.tcount ({address})-1, {address}))
+                lda #<(.right (.tcount ({address})-1, {address}))
                 sta _SMCDesignator+1
-        lda #>(.right (.tcount ({address})-1, {address}))
+                lda #>(.right (.tcount ({address})-1, {address}))
                 sta _SMCDesignator+2
-    .else
-        ; assume absolute or zero page
-                lda	address
+        .else
+                ; assume absolute or zero page
+                lda address
                 sta _SMCDesignator+1
                 lda 1+(address)
                 sta _SMCDesignator+2
@@ -196,13 +195,13 @@ SMC_StoreValue label, register
 .elseif .match ((register), x)
         .if (.match (.left (1, {address}), #))
                 ; immediate mode
-        ldx     #<(.right (.tcount ({address})-1, {address}))
+                ldx #<(.right (.tcount ({address})-1, {address}))
                 stx _SMCDesignator+1
-        ldx #>(.right (.tcount ({address})-1, {address}))
+                ldx #>(.right (.tcount ({address})-1, {address}))
                 stx _SMCDesignator+2
-    .else
-        ; assume absolute or zero page
-                ldx	address
+        .else
+                ; assume absolute or zero page
+                ldx address
                 stx _SMCDesignator+1
                 ldx 1+(address)
                 stx _SMCDesignator+2
@@ -210,13 +209,13 @@ SMC_StoreValue label, register
 .elseif .match ((register), y)
         .if (.match (.left (1, {address}), #))
                 ; immediate mode
-        ldy     #<(.right (.tcount ({address})-1, {address}))
+                ldy #<(.right (.tcount ({address})-1, {address}))
                 sty _SMCDesignator+1
-        ldy #>(.right (.tcount ({address})-1, {address}))
+                ldy #>(.right (.tcount ({address})-1, {address}))
                 sty _SMCDesignator+2
-    .else
-        ; assume absolute or zero page
-                ldy	address
+        .else
+                ; assume absolute or zero page
+                ldy address
                 sty _SMCDesignator+1
                 ldy 1+(address)
                 sty _SMCDesignator+2
@@ -224,17 +223,16 @@ SMC_StoreValue label, register
 .endif
 .endmacro
 
-
 .macro SMC_TransferAddress      label, address
 .if (.match (.left (1, {address}), #))
         ; immediate mode
-        lda	#<(.right (.tcount ({address})-1, {address}))
+        lda #<(.right (.tcount ({address})-1, {address}))
         sta _SMCDesignator+1
         ldx #>(.right (.tcount ({address})-1, {address}))
         stx _SMCDesignator+2
 .else
         ; assume absolute or zero page
-        lda	{address}
+        lda {address}
         sta _SMCDesignator+1
         ldx 1+{address}
         stx _SMCDesignator)+2
@@ -242,8 +240,6 @@ SMC_StoreValue label, register
 .endmacro
 
 .macro SMC_StoreAddress label
-                sta _SMCDesignator+1
-                stx _SMCDesignator+2
+        sta _SMCDesignator+1
+        stx _SMCDesignator+2
 .endmacro
-
-
diff --git a/asminc/stdio.inc b/asminc/stdio.inc
index ab9d86d2c..fc75238cf 100644
--- a/asminc/stdio.inc
+++ b/asminc/stdio.inc
@@ -36,25 +36,25 @@
 ;----------------------------------------------------------------------------
 ; Constants
 
-_IOFBF		= 0
-_IOLBF		= 1
-_IONBF		= 2
-BUFSIZ		= 256
-EOF 	      	= -1
+_IOFBF          = 0
+_IOLBF          = 1
+_IONBF          = 2
+BUFSIZ          = 256
+EOF             = -1
 .if .defined(__APPLE2__) .or .defined(__APPLE2ENH__)
-FILENAME_MAX	= 64+1
+FILENAME_MAX    = 64+1
 .elseif .defined(__ATARI__)
-FILENAME_MAX	= 12+1
+FILENAME_MAX    = 12+1
 .elseif .defined(__LUNIX__)
 FILENAME_MAX    = 80+1
 .else
-FILENAME_MAX	= 16+1
+FILENAME_MAX    = 16+1
 .endif
-L_tmpnam	= FILENAME_MAX
-SEEK_CUR	= 0
-SEEK_END	= 1
-SEEK_SET	= 2
-TMP_MAX		= 256
+L_tmpnam        = FILENAME_MAX
+SEEK_CUR        = 0
+SEEK_END        = 1
+SEEK_SET        = 2
+TMP_MAX         = 256
 
 ; Maximum number of open files (size of the file table)
 FOPEN_MAX       = 8
diff --git a/asminc/tgi-error.inc b/asminc/tgi-error.inc
index 0e026ee1b..a4559bb2a 100644
--- a/asminc/tgi-error.inc
+++ b/asminc/tgi-error.inc
@@ -41,7 +41,7 @@
         TGI_ERR_INV_DRIVER      ; Invalid driver
         TGI_ERR_INV_MODE        ; Mode not supported by driver
         TGI_ERR_INV_ARG         ; Invalid function argument
-        TGI_ERR_INV_FUNC       	; Function not supported
+        TGI_ERR_INV_FUNC        ; Function not supported
         TGI_ERR_INV_FONT        ; Font file is invalid
         TGI_ERR_NO_RES          ; Out of resources (memory, handles, ...)
         TGI_ERR_UNKNOWN         ; Unknown error
diff --git a/asminc/tgi-kernel.inc b/asminc/tgi-kernel.inc
index 9061fe9af..c1182d371 100644
--- a/asminc/tgi-kernel.inc
+++ b/asminc/tgi-kernel.inc
@@ -54,7 +54,7 @@
             UNINSTALL       .addr       ; UNINSTALL routine
             INIT            .addr       ; INIT routine
             DONE            .addr       ; DONE routine
-            GETERROR   	    .addr       ; GETERROR routine
+            GETERROR        .addr       ; GETERROR routine
             CONTROL         .addr       ; CONTROL routine
             CLEAR           .addr       ; CLEAR routine
             SETVIEWPAGE     .addr       ; SETVIEWPAGE routine
@@ -106,14 +106,14 @@ TGI_CLIP_TOP            = $08
 ;------------------------------------------------------------------------------
 ; ASM accessible color constants
 
-	.global	tgi_color_black:zp	; Target-specific value for black
-	.global	tgi_color_white:zp	; Target-specific value for white
+        .global tgi_color_black:zp      ; Target-specific value for black
+        .global tgi_color_white:zp      ; Target-specific value for white
 
 ;------------------------------------------------------------------------------
 ; C accessible variables
 
-	.global	_tgi_drv      		; Pointer to driver
-	.global	_tgi_error    		; Last error code
+        .global _tgi_drv                ; Pointer to driver
+        .global _tgi_error              ; Last error code
         .global _tgi_gmode              ; Flag: graphics mode active
         .global _tgi_curx               ; Current drawing cursor X
         .global _tgi_cury               ; Current drawing cursor Y
@@ -139,10 +139,10 @@ TGI_CLIP_TOP            = $08
 ;------------------------------------------------------------------------------
 ; ASM accessible variables
 
-       	.global	tgi_clip_x1             ; Coordinate for line clipper
-       	.global	tgi_clip_y1             ; Coordinate for line clipper
-       	.global	tgi_clip_x2             ; Coordinate for line clipper
-       	.global	tgi_clip_y2             ; Coordinate for line clipper
+        .global tgi_clip_x1             ; Coordinate for line clipper
+        .global tgi_clip_y1             ; Coordinate for line clipper
+        .global tgi_clip_x2             ; Coordinate for line clipper
+        .global tgi_clip_y2             ; Coordinate for line clipper
 
 ;------------------------------------------------------------------------------
 ; Driver entry points
@@ -151,7 +151,7 @@ TGI_CLIP_TOP            = $08
         .global tgi_uninstall
         .global tgi_init
         .global tgi_done
-	.global	tgi_geterror
+        .global tgi_geterror
         .global tgi_control
         .global tgi_clear
         .global tgi_setviewpage
@@ -192,7 +192,7 @@ TGI_CLIP_TOP            = $08
         .global _tgi_clear
         .global _tgi_done
         .global _tgi_ellipse
-	.global _tgi_getaspectratio
+        .global _tgi_getaspectratio
         .global _tgi_getcolor
         .global _tgi_getcolorcount
         .global _tgi_getdefpalette
@@ -220,7 +220,7 @@ TGI_CLIP_TOP            = $08
         .global _tgi_outtext
         .global _tgi_outtextxy
         .global _tgi_pieslice
-	.global _tgi_setaspectratio
+        .global _tgi_setaspectratio
         .global _tgi_setcolor
         .global _tgi_setdrawpage
         .global _tgi_setpalette
diff --git a/asminc/time.inc b/asminc/time.inc
index dcc4877aa..16858471d 100644
--- a/asminc/time.inc
+++ b/asminc/time.inc
@@ -2,7 +2,7 @@
 ;/*                                                                           */
 ;/*                                 time.inc                                  */
 ;/*                                                                           */
-;/*                              Date and time				      */
+;/*                              Date and time                                */
 ;/*                                                                           */
 ;/*                                                                           */
 ;/*                                                                           */
diff --git a/asminc/vic20.inc b/asminc/vic20.inc
index 3331b95f6..6780d067d 100644
--- a/asminc/vic20.inc
+++ b/asminc/vic20.inc
@@ -7,26 +7,26 @@
 ; Zero page, Commodore stuff
 
 TIME            := $A0          ; 60HZ clock
-FNAM_LEN       	:= $B7 	        ; Length of filename
-SECADR 	       	:= $B9 	        ; Secondary address
-DEVNUM 	       	:= $BA 	        ; Device number
+FNAM_LEN        := $B7          ; Length of filename
+SECADR          := $B9          ; Secondary address
+DEVNUM          := $BA          ; Device number
 FNAM            := $BB          ; Pointer to filename
-KEY_COUNT      	:= $C6 	        ; Number of keys in input buffer
-RVS    	       	:= $C7 	        ; Reverse flag
-CURS_FLAG      	:= $CC 	        ; 1 = cursor off
-CURS_BLINK     	:= $CD 	        ; Blink counter
-CURS_CHAR      	:= $CE 	        ; Character under the cursor
-CURS_STATE     	:= $CF 	        ; Cursor blink state
-SCREEN_PTR     	:= $D1 	        ; Pointer to current char in text screen
-CURS_X 	       	:= $D3 	        ; Cursor column
-CURS_Y 	       	:= $D6 	        ; Cursor row
-CRAM_PTR       	:= $F3 	        ; Pointer to current char in color RAM
-
-BASIC_BUF      	:= $200		; Location of command-line
-BASIC_BUF_LEN	= 89		; Maximum length of command-line
+KEY_COUNT       := $C6          ; Number of keys in input buffer
+RVS             := $C7          ; Reverse flag
+CURS_FLAG       := $CC          ; 1 = cursor off
+CURS_BLINK      := $CD          ; Blink counter
+CURS_CHAR       := $CE          ; Character under the cursor
+CURS_STATE      := $CF          ; Cursor blink state
+SCREEN_PTR      := $D1          ; Pointer to current char in text screen
+CURS_X          := $D3          ; Cursor column
+CURS_Y          := $D6          ; Cursor row
+CRAM_PTR        := $F3          ; Pointer to current char in color RAM
+
+BASIC_BUF       := $200         ; Location of command-line
+BASIC_BUF_LEN   = 89            ; Maximum length of command-line
 
 CHARCOLOR       := $286
-CURS_COLOR      := $287	        ; Color under the cursor
+CURS_COLOR      := $287         ; Color under the cursor
 
 
 ; ---------------------------------------------------------------------------
@@ -39,37 +39,37 @@ YSIZE           = 23
 ; Kernal routines
 
 ; Direct entries
-CLRSCR 	       	:= $E55F
-KBDREAD	       	:= $E5CF
+CLRSCR          := $E55F
+KBDREAD         := $E5CF
 
 ; ---------------------------------------------------------------------------
 ; Vector and other locations
 
-IRQVec 	       	:= $0314
-BRKVec 	       	:= $0316
-NMIVec 	       	:= $0318
+IRQVec          := $0314
+BRKVec          := $0316
+NMIVec          := $0318
 
 ; ---------------------------------------------------------------------------
 ; I/O: 6560 VIC
 
-VIC    	       	:= $9000
+VIC             := $9000
 VIC_LINES       := $9003        ; Screen lines, bit 7 is bit 0 from VIC_HLINE
 VIC_HLINE       := $9004        ; Rasterline, bits 1-8
-VIC_COLOR      	:= $900F        ; Border and background color
+VIC_COLOR       := $900F        ; Border and background color
 
 ; ---------------------------------------------------------------------------
 ; I/O: 6522 VIA1
 
-VIA1   	       	:= $9110
-VIA1_JOY       	:= $9111
-VIA1_DDRB      	:= $9112
-VIA1_DDRA      	:= $9113
+VIA1            := $9110
+VIA1_JOY        := $9111
+VIA1_DDRB       := $9112
+VIA1_DDRA       := $9113
 
 ; ---------------------------------------------------------------------------
 ; I/O: 6522 VIA2
 
-VIA2   	       	:= $9120
-VIA2_JOY       	:= $9120
-VIA2_DDRB      	:= $9122
-VIA2_DDRA      	:= $9123
+VIA2            := $9120
+VIA2_JOY        := $9120
+VIA2_DDRB       := $9122
+VIA2_DDRA       := $9123
 
diff --git a/include/6502.h b/include/6502.h
index 99014ffb5..706418516 100644
--- a/include/6502.h
+++ b/include/6502.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    6502.h                                   */
+/*                                  6502.h                                   */
 /*                                                                           */
-/*			  6502 specific declarations                         */
+/*                        6502 specific declarations                         */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -47,9 +47,9 @@ typedef unsigned size_t;
 
 
 /* Possible returns of getcpu() */
-#define CPU_6502	0
-#define CPU_65C02	1
-#define CPU_65816	2
+#define CPU_6502        0
+#define CPU_65C02       1
+#define CPU_65816       2
 
 unsigned char getcpu (void);
 /* Detect the CPU the program is running on */
@@ -57,29 +57,29 @@ unsigned char getcpu (void);
 
 
 /* Macros for CPU instructions */
-#define	BRK()	__asm__ ("brk")
-#define CLI()	__asm__ ("cli")
-#define SEI()	__asm__ ("sei")
+#define BRK()   __asm__ ("brk")
+#define CLI()   __asm__ ("cli")
+#define SEI()   __asm__ ("sei")
 
 
 
 /* Struct that holds the registers for the sys function */
 struct regs {
-    unsigned char a;		/* A register value */
-    unsigned char x;		/* X register value */
-    unsigned char y;		/* Y register value */
-    unsigned char flags;	/* Flags value */
-    unsigned      pc;		/* Program counter */
+    unsigned char a;            /* A register value */
+    unsigned char x;            /* X register value */
+    unsigned char y;            /* Y register value */
+    unsigned char flags;        /* Flags value */
+    unsigned      pc;           /* Program counter */
 };
 
 /* Defines for the flags in the regs structure */
-#define F6502_N		0x80	/* N flag */
-#define F6502_V		0x40	/* V flag */
-#define F6502_B  	0x10	/* B flag */
-#define F6502_D  	0x08	/* D flag */
-#define F6502_I  	0x04	/* I flag */
-#define F6502_Z 	0x02	/* Z flag */
-#define F6502_C         0x01	/* C flag */
+#define F6502_N         0x80    /* N flag */
+#define F6502_V         0x40    /* V flag */
+#define F6502_B         0x10    /* B flag */
+#define F6502_D         0x08    /* D flag */
+#define F6502_I         0x04    /* I flag */
+#define F6502_Z         0x02    /* Z flag */
+#define F6502_C         0x01    /* C flag */
 
 /* Function to call any machine language subroutine. All registers in the
  * regs structure are passed into the routine and the results are passed
@@ -98,11 +98,11 @@ void __fastcall__ _sys (struct regs* r);
  * vector if the program ends.
  */
 
-extern unsigned char brk_a;	/* A register value */
-extern unsigned char brk_x;	/* X register value */
-extern unsigned char brk_y;	/* Y register value */
-extern unsigned char brk_sr;	/* Status register */
-extern unsigned brk_pc;		/* PC value */
+extern unsigned char brk_a;     /* A register value */
+extern unsigned char brk_x;     /* X register value */
+extern unsigned char brk_y;     /* Y register value */
+extern unsigned char brk_sr;    /* Status register */
+extern unsigned brk_pc;         /* PC value */
 
 typedef void (*brk_handler) (void);
 /* Type of the break handler */
@@ -116,8 +116,8 @@ void reset_brk (void);
 
 
 /* Possible returns for irq_handler() */
-#define IRQ_NOT_HANDLED	0
-#define IRQ_HANDLED	1
+#define IRQ_NOT_HANDLED 0
+#define IRQ_HANDLED     1
 
 typedef unsigned char (*irq_handler) (void);
 /* Type of the C level interrupt request handler */
diff --git a/include/_6522.h b/include/_6522.h
index d5dbc5f75..1072e6779 100644
--- a/include/_6522.h
+++ b/include/_6522.h
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*                                  _6522.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly                 */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -41,22 +41,22 @@
  * the compiler doesn't guarantee any order when writing 16 bit values.
  */
 struct __6522 {
-    unsigned char	prb;		/* Port register B */
-    unsigned char	pra;		/* Port register A */
-    unsigned char	ddrb;		/* Data direction register B */
-    unsigned char	ddra;		/* Data direction register A */
-    unsigned char	t1_lo;		/* Timer 1, low byte */
-    unsigned char	t1_hi;		/* Timer 1, high byte */
-    unsigned char	t1l_lo;		/* Timer 1 latch, low byte */
-    unsigned char	t1l_hi;		/* Timer 1 latch, high byte */
-    unsigned char	t2_lo;		/* Timer 2, low byte */
-    unsigned char	t2_hi;		/* Timer 2, high byte */
-    unsigned char	sr;		/* Shift register */
-    unsigned char	acr;		/* Auxiliary control register */
-    unsigned char	pcr;		/* Peripheral control register */
-    unsigned char	ifr;		/* Interrupt flag register */
-    unsigned char	ier;		/* Interrupt enable register */
-    unsigned char	pra2;		/* Port register A w/o handshake */
+    unsigned char       prb;            /* Port register B */
+    unsigned char       pra;            /* Port register A */
+    unsigned char       ddrb;           /* Data direction register B */
+    unsigned char       ddra;           /* Data direction register A */
+    unsigned char       t1_lo;          /* Timer 1, low byte */
+    unsigned char       t1_hi;          /* Timer 1, high byte */
+    unsigned char       t1l_lo;         /* Timer 1 latch, low byte */
+    unsigned char       t1l_hi;         /* Timer 1 latch, high byte */
+    unsigned char       t2_lo;          /* Timer 2, low byte */
+    unsigned char       t2_hi;          /* Timer 2, high byte */
+    unsigned char       sr;             /* Shift register */
+    unsigned char       acr;            /* Auxiliary control register */
+    unsigned char       pcr;            /* Peripheral control register */
+    unsigned char       ifr;            /* Interrupt flag register */
+    unsigned char       ier;            /* Interrupt enable register */
+    unsigned char       pra2;           /* Port register A w/o handshake */
 };
 
 
diff --git a/include/_6525.h b/include/_6525.h
index e4f539478..dee0ba459 100644
--- a/include/_6525.h
+++ b/include/_6525.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _6525.h				     */
+/*                                  _6525.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -43,14 +43,14 @@
  * union to do that, however that would introduce an additional name.
  */
 struct __6525 {
-    unsigned char	pra;		/* Port register A */
-    unsigned char	prb;		/* Port register B */
-    unsigned char      	prc;		/* Port register C */
-    unsigned char	ddra;		/* Data direction register A */
-    unsigned char	ddrb;		/* Data direction register B */
-    unsigned char	ddrc;  	       	/* Data direction register C */
-    unsigned char	cr;		/* Control register */
-    unsigned char	air;		/* Active interrupt register */
+    unsigned char       pra;            /* Port register A */
+    unsigned char       prb;            /* Port register B */
+    unsigned char       prc;            /* Port register C */
+    unsigned char       ddra;           /* Data direction register A */
+    unsigned char       ddrb;           /* Data direction register B */
+    unsigned char       ddrc;           /* Data direction register C */
+    unsigned char       cr;             /* Control register */
+    unsigned char       air;            /* Active interrupt register */
 };
 
 
diff --git a/include/_6526.h b/include/_6526.h
index c04b26d68..5f8cb7d10 100644
--- a/include/_6526.h
+++ b/include/_6526.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _6526.h				     */
+/*                                  _6526.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -44,22 +44,22 @@
  * the compiler doesn't guarantee any order when writing 16 bit values.
  */
 struct __6526 {
-    unsigned char	pra;		/* Port register A */
-    unsigned char	prb;		/* Port register B */
-    unsigned char	ddra;		/* Data direction register A */
-    unsigned char	ddrb;		/* Data direction register B */
-    unsigned char	ta_lo;		/* Timer A, low byte */
-    unsigned char	ta_hi;		/* Timer A, high byte */
-    unsigned char      	tb_lo; 	       	/* Timer B, low byte */
-    unsigned char	tb_hi;		/* Timer B, high byte */
-    unsigned char      	tod_10;		/* TOD, 1/10 sec. */
-    unsigned char	tod_sec;	/* TOD, seconds */
-    unsigned char	tod_min;	/* TOD, minutes */
-    unsigned char	tod_hour;	/* TOD, hours */
-    unsigned char	sdr;		/* Serial data register */
-    unsigned char	icr;		/* Interrupt control register */
-    unsigned char	cra;		/* Control register A */
-    unsigned char	crb;		/* Control register B */
+    unsigned char       pra;            /* Port register A */
+    unsigned char       prb;            /* Port register B */
+    unsigned char       ddra;           /* Data direction register A */
+    unsigned char       ddrb;           /* Data direction register B */
+    unsigned char       ta_lo;          /* Timer A, low byte */
+    unsigned char       ta_hi;          /* Timer A, high byte */
+    unsigned char       tb_lo;          /* Timer B, low byte */
+    unsigned char       tb_hi;          /* Timer B, high byte */
+    unsigned char       tod_10;         /* TOD, 1/10 sec. */
+    unsigned char       tod_sec;        /* TOD, seconds */
+    unsigned char       tod_min;        /* TOD, minutes */
+    unsigned char       tod_hour;       /* TOD, hours */
+    unsigned char       sdr;            /* Serial data register */
+    unsigned char       icr;            /* Interrupt control register */
+    unsigned char       cra;            /* Control register A */
+    unsigned char       crb;            /* Control register B */
 };
 
 
diff --git a/include/_6545.h b/include/_6545.h
index 7dc79a371..ea7c8597b 100644
--- a/include/_6545.h
+++ b/include/_6545.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _6545.h				     */
+/*                                  _6545.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,8 +40,8 @@
 
 /* Define a structure with the 6545 register offsets */
 struct __6545 {
-    unsigned char      	ctrl;	   	/* Control register */
-    unsigned char	data;	   	/* Data register */
+    unsigned char       ctrl;           /* Control register */
+    unsigned char       data;           /* Data register */
 };
 
 
diff --git a/include/_6551.h b/include/_6551.h
index 73a82243d..cdf766d60 100644
--- a/include/_6551.h
+++ b/include/_6551.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _6551.h				     */
+/*                                  _6551.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,10 +40,10 @@
 
 /* Define a structure with the 6551 register offsets */
 struct __6551 {
-    unsigned char      	data;  	       	/* Data register */
-    unsigned char      	status;	       	/* Status register */
-    unsigned char      	cmd;   	       	/* Command register */
-    unsigned char	ctrl;		/* Control register */
+    unsigned char       data;           /* Data register */
+    unsigned char       status;         /* Status register */
+    unsigned char       cmd;            /* Command register */
+    unsigned char       ctrl;           /* Control register */
 };
 
 
diff --git a/include/_gtia.h b/include/_gtia.h
index f3257e32f..424628f19 100644
--- a/include/_gtia.h
+++ b/include/_gtia.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   _gtia.h			       	     */
+/*                                 _gtia.h                                   */
 /*                                                                           */
-/*		    Internal include file, do not use directly		     */
+/*                  Internal include file, do not use directly               */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/_heap.h b/include/_heap.h
index 8ac9064c3..76bad35c3 100644
--- a/include/_heap.h
+++ b/include/_heap.h
@@ -29,19 +29,19 @@ struct usedblock {
  * Beware: Field order is significant!
  */                                                      
 struct freeblock {
-    unsigned 		size;
-    struct freeblock*  	next;
-    struct freeblock*  	prev;
+    unsigned            size;
+    struct freeblock*   next;
+    struct freeblock*   prev;
 };
 
 
 
 /* Variables that describe the heap */
-extern unsigned*       	  _heaporg;     /* Bottom of heap */
-extern unsigned*  	  _heapptr;	/* Current top */
-extern unsigned*  	  _heapend;	/* Upper limit */
-extern struct freeblock*  _heapfirst;	/* First free block in list */
-extern struct freeblock*  _heaplast;	/* Last free block in list */
+extern unsigned*          _heaporg;     /* Bottom of heap */
+extern unsigned*          _heapptr;     /* Current top */
+extern unsigned*          _heapend;     /* Upper limit */
+extern struct freeblock*  _heapfirst;   /* First free block in list */
+extern struct freeblock*  _heaplast;    /* Last free block in list */
 
 
 
diff --git a/include/_mikey.h b/include/_mikey.h
index 2e7ef12c5..b9b7f6906 100644
--- a/include/_mikey.h
+++ b/include/_mikey.h
@@ -98,7 +98,7 @@ struct __mikey {
   unsigned char     mtest2;         // 0xFD9E
   unsigned char     unused5;        // 0xFD9F  not used
   unsigned char     palette[32];    // 0xFDA0 - 0xFDBF  palette 32 bytes
-				    				// 0xFDC0 - 0xFDFF  not used
+                                    // 0xFDC0 - 0xFDFF  not used
 };
 
 
diff --git a/include/_pbi.h b/include/_pbi.h
index 4bc3314db..f74262f4c 100644
--- a/include/_pbi.h
+++ b/include/_pbi.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _pbi.h			       	     */
+/*                                  _pbi.h                                   */
 /*                                                                           */
-/*		    Internal include file, do not use directly		     */
+/*                  Internal include file, do not use directly               */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -32,31 +32,31 @@
 #define __PBI_H
 
 /* parallel bus interface area */
-#define PBI		((unsigned char*)0xD100)
+#define PBI             ((unsigned char*)0xD100)
 
 /* parallel device IRQ status */
-#define PDVI		((unsigned char*)0xD1FF)
+#define PDVI            ((unsigned char*)0xD1FF)
 
 /* parallel device select */
-#define PDVS		((unsigned char*)0xD1FF)
+#define PDVS            ((unsigned char*)0xD1FF)
 
 /* parallel bus interface RAM area */
-#define PBIRAM		((unsigned char*)0xD600)
+#define PBIRAM          ((unsigned char*)0xD600)
 
 /* parallel device ID 1 */
-#define PDID1		((unsigned char*)0xD803)
+#define PDID1           ((unsigned char*)0xD803)
 
 /* parallel device I/O vector */
-#define PDIDV		((unsigned char*)0xD805)
+#define PDIDV           ((unsigned char*)0xD805)
 
 /* parallel device IRQ vector */
-#define PDIRQV		((unsigned char*)0xD808)
+#define PDIRQV          ((unsigned char*)0xD808)
 
 /* parallel device ID 2 */
-#define PDID2		((unsigned char*)0xD80B)
+#define PDID2           ((unsigned char*)0xD80B)
 
 /* parallel device vector table */
-#define PDVV		((unsigned char*)0xD80D)
+#define PDVV            ((unsigned char*)0xD80D)
 
 /* End of _pbi.h */
 #endif /* #ifndef __PBI_H */
diff --git a/include/_pia.h b/include/_pia.h
index 582b84275..867c8f8a5 100644
--- a/include/_pia.h
+++ b/include/_pia.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _pia.h			       	     */
+/*                                  _pia.h                                   */
 /*                                                                           */
-/*		  Internal include file, do not use directly                 */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/_pokey.h b/include/_pokey.h
index a6a0338f8..df10eac3f 100644
--- a/include/_pokey.h
+++ b/include/_pokey.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   _pokey.h			       	     */
+/*                                 _pokey.h                                  */
 /*                                                                           */
-/*		  Internal include file, do not use directly                 */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/_sid.h b/include/_sid.h
index b7978ac1a..0aa61b294 100644
--- a/include/_sid.h
+++ b/include/_sid.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _sid.h				     */
+/*                                  _sid.h                                   */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,23 +40,23 @@
 
 /* Define a structure with the sid register offsets */
 struct __sid_voice {
-    unsigned   	       	freq;		/* Frequency */
-    unsigned 		pw;		/* Pulse width */
-    unsigned char	ctrl;		/* Control register */
-    unsigned char	ad;		/* Attack/decay */
-    unsigned char	sr;		/* Sustain/release */
+    unsigned            freq;           /* Frequency */
+    unsigned            pw;             /* Pulse width */
+    unsigned char       ctrl;           /* Control register */
+    unsigned char       ad;             /* Attack/decay */
+    unsigned char       sr;             /* Sustain/release */
 };
 struct __sid {
-    struct __sid_voice	v1;     	/* Voice 1 */
-    struct __sid_voice 	v2;     	/* Voice 2 */
-    struct __sid_voice	v3;     	/* Voice 3 */
-    unsigned		flt_freq;   	/* Filter frequency */
-    unsigned char	flt_ctrl;	/* Filter control register */
-    unsigned char	amp;		/* Amplitude */
-    unsigned char	ad1;		/* A/D converter 1 */
-    unsigned char      	ad2;		/* A/D converter 2 */
-    unsigned char	noise;		/* Noise generator */
-    unsigned char	read3;		/* Value of voice 3 */
+    struct __sid_voice  v1;             /* Voice 1 */
+    struct __sid_voice  v2;             /* Voice 2 */
+    struct __sid_voice  v3;             /* Voice 3 */
+    unsigned            flt_freq;       /* Filter frequency */
+    unsigned char       flt_ctrl;       /* Filter control register */
+    unsigned char       amp;            /* Amplitude */
+    unsigned char       ad1;            /* A/D converter 1 */
+    unsigned char       ad2;            /* A/D converter 2 */
+    unsigned char       noise;          /* Noise generator */
+    unsigned char       read3;          /* Value of voice 3 */
 };
 
 
diff --git a/include/_suzy.h b/include/_suzy.h
index 3bdf9c708..8ab7f68dd 100644
--- a/include/_suzy.h
+++ b/include/_suzy.h
@@ -310,7 +310,7 @@ struct __suzy {
   unsigned char parstat;        // 0xFCC2  parallel port status
   unsigned char pardata;        // 0xFCC3  parallel port data
   unsigned char howie;          // 0xFCC4  howie (?)
-								// 0xFCC5 - 0xFCFF  unused
+                                // 0xFCC5 - 0xFCFF  unused
 };
 
 
diff --git a/include/_ted.h b/include/_ted.h
index d4401a4ad..68b59d706 100644
--- a/include/_ted.h
+++ b/include/_ted.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _ted.h				     */
+/*                                  _ted.h                                   */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/_vdc.h b/include/_vdc.h
index adabe01e5..161721d7a 100644
--- a/include/_vdc.h
+++ b/include/_vdc.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    _vdc.h				     */
+/*                                  _vdc.h                                   */
 /*                                                                           */
-/*		  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,8 +40,8 @@
 
 /* Define a structure with the vdc register offsets */
 struct __vdc {
-    unsigned char      	ctrl;		/* Control register */
-    unsigned char	data;	  	/* Data register */
+    unsigned char       ctrl;           /* Control register */
+    unsigned char       data;           /* Data register */
 };
 
 
diff --git a/include/_vic.h b/include/_vic.h
index 7074aedba..ac4d8a2ca 100644
--- a/include/_vic.h
+++ b/include/_vic.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*	      			    _vic.h				     */
+/*                                  _vic.h                                   */
 /*                                                                           */
-/*	      	  Internal include file, do not use directly		     */
+/*                Internal include file, do not use directly                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,21 +40,21 @@
 
 /* Define a structure with the vic register offsets */
 struct __vic {
-    unsigned char      	leftborder;
-    unsigned char	upperborder;
-    unsigned char      	charsperline;   /* Characters per line */
-    unsigned char	linecount;      /* Number of lines */
-    unsigned char	rasterline;     /* Current raster line */
-    unsigned char	addr;           /* Address of chargen and video ram */
-    unsigned char	strobe_x;	/* Light pen, X position */
-    unsigned char	strobe_y;	/* Light pen, Y position */
-    unsigned char      	analog_x;       /* Analog input X */
-    unsigned char	analog_y;       /* Analog input Y */
-    unsigned char	voice1;         /* Sound generator #1 */
-    unsigned char      	voice2;         /* Sound generator #2 */
-    unsigned char	voice3;         /* Sound generator #3 */
-    unsigned char	noise;          /* Noise generator */
-    unsigned char      	volume_color;   /* Bits 0..3: volume, 4..7: color */
+    unsigned char       leftborder;
+    unsigned char       upperborder;
+    unsigned char       charsperline;   /* Characters per line */
+    unsigned char       linecount;      /* Number of lines */
+    unsigned char       rasterline;     /* Current raster line */
+    unsigned char       addr;           /* Address of chargen and video ram */
+    unsigned char       strobe_x;       /* Light pen, X position */
+    unsigned char       strobe_y;       /* Light pen, Y position */
+    unsigned char       analog_x;       /* Analog input X */
+    unsigned char       analog_y;       /* Analog input Y */
+    unsigned char       voice1;         /* Sound generator #1 */
+    unsigned char       voice2;         /* Sound generator #2 */
+    unsigned char       voice3;         /* Sound generator #3 */
+    unsigned char       noise;          /* Noise generator */
+    unsigned char       volume_color;   /* Bits 0..3: volume, 4..7: color */
     unsigned char       bg_border_color;/* Background and border color */
 };
 
diff --git a/include/ace.h b/include/ace.h
index cb5df1f69..8d9130085 100644
--- a/include/ace.h
+++ b/include/ace.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     ace.h				     */
+/*                                   ace.h                                   */
 /*                                                                           */
-/*			ACE system specific definitions			     */
+/*                      ACE system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -52,10 +52,10 @@
 
 
 struct aceDirentBuf {
-    unsigned long   ad_size;   		/* Size in bytes */
-    unsigned char   ad_date [8];   	/* YY:YY:MM:DD:HH:MM:SS:TW */
-    char            ad_type [4];	/* File type as ASCIIZ string */
-    unsigned char   ad_flags;	        /* File flags */
+    unsigned long   ad_size;            /* Size in bytes */
+    unsigned char   ad_date [8];        /* YY:YY:MM:DD:HH:MM:SS:TW */
+    char            ad_type [4];        /* File type as ASCIIZ string */
+    unsigned char   ad_flags;           /* File flags */
     unsigned char   ad_usage;           /* More flags */
     unsigned char   ad_namelen;         /* Length of name */
     char            ad_name [17];       /* Name itself, ASCIIZ */
@@ -69,27 +69,27 @@ int aceDirRead (int handle, struct aceDirentBuf* buf);
 typedef unsigned int aceKey;
 
 /* #defines for the shift mask returned by aceConGetKey */
-#define aceSH_KEY		0x00FF	/* Mask key itself */
-#define aceSH_MASK		0xFF00	/* Mask shift mask */
-#define aceSH_EXT		0x2000	/* Extended key */
-#define aceSH_CAPS 		0x1000	/* Caps lock key */
-#define aceSH_ALT  		0x0800	/* Alternate key */
-#define aceSH_CTRL		0x0400	/* Ctrl key */
-#define aceSH_CBM		0x0200	/* Commodore key */
-#define aceSH_SHIFT		0x0100	/* Shift key */
+#define aceSH_KEY               0x00FF  /* Mask key itself */
+#define aceSH_MASK              0xFF00  /* Mask shift mask */
+#define aceSH_EXT               0x2000  /* Extended key */
+#define aceSH_CAPS              0x1000  /* Caps lock key */
+#define aceSH_ALT               0x0800  /* Alternate key */
+#define aceSH_CTRL              0x0400  /* Ctrl key */
+#define aceSH_CBM               0x0200  /* Commodore key */
+#define aceSH_SHIFT             0x0100  /* Shift key */
 
 /* #defines for the options in aceConSetOpt/aceConGetOpt */
-#define aceOP_PUTMASK		1	/* Console put mask */
-#define	aceOP_CHARCOLOR		2	/* Character color */
-#define aceOP_CHARATTR		3	/* Character attribute */
-#define aceOP_FILLCOLOR		4	/* Fill color */
-#define aceOP_FILLATTR		5	/* Fill attribute */
-#define aceOP_CRSCOLOR		6	/* Cursor color */
-#define aceOP_CRSWRAP		7	/* Force cursor wrap */
-#define aceOP_SHSCROLL		8	/* Shift keys for scrolling */
-#define aceOP_MOUSCALE		9	/* Mouse scaling */
-#define aceOP_RPTDELAY		10	/* Key repeat delay */
-#define aceOP_RPTRATE		11	/* Key repeat rate */
+#define aceOP_PUTMASK           1       /* Console put mask */
+#define aceOP_CHARCOLOR         2       /* Character color */
+#define aceOP_CHARATTR          3       /* Character attribute */
+#define aceOP_FILLCOLOR         4       /* Fill color */
+#define aceOP_FILLATTR          5       /* Fill attribute */
+#define aceOP_CRSCOLOR          6       /* Cursor color */
+#define aceOP_CRSWRAP           7       /* Force cursor wrap */
+#define aceOP_SHSCROLL          8       /* Shift keys for scrolling */
+#define aceOP_MOUSCALE          9       /* Mouse scaling */
+#define aceOP_RPTDELAY          10      /* Key repeat delay */
+#define aceOP_RPTRATE           11      /* Key repeat rate */
 
 /* Console functions */
 void aceConWrite (char* buf, size_t count);
diff --git a/include/apple2.h b/include/apple2.h
index f5dcff0ae..177159e46 100644
--- a/include/apple2.h
+++ b/include/apple2.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*                                 apple2.h				     */
+/*                                 apple2.h                                  */
 /*                                                                           */
-/*                   Apple ][ system specific definitions		     */
+/*                   Apple ][ system specific definitions                    */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -44,7 +44,7 @@
 
 
 /*****************************************************************************/
-/*                                   Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -154,7 +154,7 @@ extern void a2_lo_tgi[];
 
 
 /*****************************************************************************/
-/*                                   Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/apple2enh.h b/include/apple2enh.h
index 112522117..9fb093b45 100644
--- a/include/apple2enh.h
+++ b/include/apple2enh.h
@@ -1,31 +1,31 @@
 /*****************************************************************************/
-/*									     */
-/*				  apple2enh.h				     */
-/*									     */
-/*		 enhanced Apple //e system specific definitions		     */
-/*									     */
-/*									     */
-/*									     */
+/*                                                                           */
+/*                                apple2enh.h                                */
+/*                                                                           */
+/*               enhanced Apple //e system specific definitions              */
+/*                                                                           */
+/*                                                                           */
+/*                                                                           */
 /* (C) 2004  Oliver Schmidt,                                   */
-/*		    							     */
-/*									     */
-/* This software is provided 'as-is', without any expressed or implied	     */
+/*                                                                           */
+/*                                                                           */
+/* This software is provided 'as-is', without any expressed or implied       */
 /* warranty.  In no event will the authors be held liable for any damages    */
-/* arising from the use of this software.				     */
-/*									     */
+/* arising from the use of this software.                                    */
+/*                                                                           */
 /* Permission is granted to anyone to use this software for any purpose,     */
 /* including commercial applications, and to alter it and redistribute it    */
-/* freely, subject to the following restrictions:			     */
-/*									     */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
 /* 1. The origin of this software must not be misrepresented; you must not   */
 /*    claim that you wrote the original software. If you use this software   */
 /*    in a product, an acknowledgment in the product documentation would be  */
-/*    appreciated but is not required.					     */
+/*    appreciated but is not required.                                       */
 /* 2. Altered source versions must be plainly marked as such, and must not   */
-/*    be misrepresented as being the original software. 		     */
-/* 3. This notice may not be removed or altered from any source 	     */
-/*    distribution.							     */
-/*									     */
+/*    be misrepresented as being the original software.                      */
+/* 3. This notice may not be removed or altered from any source              */
+/*    distribution.                                                          */
+/*                                                                           */
 /*****************************************************************************/
 
 
@@ -50,7 +50,7 @@
 
 
 /*****************************************************************************/
-/*		    		     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -73,8 +73,8 @@
 #define CH_F10  0xB0
 
 /* Styles for textframe */
-#define TEXTFRAME_WIDE	0x00
-#define TEXTFRAME_TALL	0x04
+#define TEXTFRAME_WIDE  0x00
+#define TEXTFRAME_TALL  0x04
 
 /* Video modes */
 #define VIDEOMODE_40x24  0x0011
@@ -101,7 +101,7 @@ extern void a2e_lo_tgi[];
 
 
 /*****************************************************************************/
-/*		    		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/assert.h b/include/assert.h
index bd58e2068..87bc4ff02 100644
--- a/include/assert.h
+++ b/include/assert.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   assert.h				     */
+/*                                 assert.h                                  */
 /*                                                                           */
-/*				  Diagnostics				     */
+/*                                Diagnostics                                */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -43,7 +43,7 @@
 #  define assert(expr)
 #else
 extern void _afailed (const char*, unsigned);
-#  define assert(expr) 	((expr)? (void)0 : _afailed(__FILE__, __LINE__))
+#  define assert(expr)  ((expr)? (void)0 : _afailed(__FILE__, __LINE__))
 #endif
 
 
diff --git a/include/atari.h b/include/atari.h
index 555dc9a93..26c555cc4 100644
--- a/include/atari.h
+++ b/include/atari.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   atari.h			       	     */
+/*                                 atari.h                                   */
 /*                                                                           */
-/*		        Atari system specific definitions		     */
+/*                      Atari system specific definitions                    */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -45,11 +45,11 @@
 
 
 /* Character codes */
-#define CH_DELCHR	0xFE   /* delete char under the cursor */
-#define CH_ENTER	0x9B
-#define CH_ESC 	    	0x1B
-#define CH_CURS_UP  	28
-#define CH_CURS_DOWN 	29
+#define CH_DELCHR       0xFE   /* delete char under the cursor */
+#define CH_ENTER        0x9B
+#define CH_ESC          0x1B
+#define CH_CURS_UP      28
+#define CH_CURS_DOWN    29
 #define CH_CURS_LEFT    30
 #define CH_CURS_RIGHT   31
 
@@ -63,26 +63,26 @@
 #define CH_INSLINE      0x9D   /* insert line */
 
 /* These are defined to be Atari + NumberKey */
-#define CH_F1 	    	177
-#define CH_F2 	    	178
-#define CH_F3 	    	179
-#define CH_F4 	    	180
-#define CH_F5 	    	181
-#define CH_F6 	    	182
-#define CH_F7 	    	183
-#define CH_F8 	    	184
-#define CH_F9 	    	185
-#define CH_F10 	    	176
-
-#define CH_ULCORNER 	0x11
-#define CH_URCORNER 	0x05
-#define CH_LLCORNER 	0x1A
-#define CH_LRCORNER 	0x03
-#define CH_TTEE     	0x17
-#define CH_BTEE     	0x18
-#define CH_LTEE     	0x01
-#define CH_RTEE     	0x04
-#define CH_CROSS    	0x13
+#define CH_F1           177
+#define CH_F2           178
+#define CH_F3           179
+#define CH_F4           180
+#define CH_F5           181
+#define CH_F6           182
+#define CH_F7           183
+#define CH_F8           184
+#define CH_F9           185
+#define CH_F10          176
+
+#define CH_ULCORNER     0x11
+#define CH_URCORNER     0x05
+#define CH_LLCORNER     0x1A
+#define CH_LRCORNER     0x03
+#define CH_TTEE         0x17
+#define CH_BTEE         0x18
+#define CH_LTEE         0x01
+#define CH_RTEE         0x04
+#define CH_CROSS        0x13
 #define CH_HLINE        0x12
 #define CH_VLINE        0x7C
 
@@ -114,22 +114,22 @@
 /* Color defines, similar to c64 colors (untested) */
 /* Note that the conio color implementation is monochrome (bgcolor and textcolor are only placeholders) */
 /* Use the defines with the setcolor() or _atari_xxxcolor() functions */
-#define COLOR_BLACK  	       	_gtia_mkcolor(HUE_GREY,0)
-#define COLOR_WHITE  	       	_gtia_mkcolor(HUE_GREY,7)
-#define COLOR_RED    	       	_gtia_mkcolor(HUE_REDORANGE,1)
-#define COLOR_CYAN      	_gtia_mkcolor(HUE_CYAN,3)
-#define COLOR_VIOLET 	       	_gtia_mkcolor(HUE_PURPLE,4)
-#define COLOR_GREEN  	        _gtia_mkcolor(HUE_GREEN,2)
-#define COLOR_BLUE   	       	_gtia_mkcolor(HUE_BLUE,2)
-#define COLOR_YELLOW 	       	_gtia_mkcolor(HUE_YELLOW,7)
-#define COLOR_ORANGE 	       	_gtia_mkcolor(HUE_ORANGE,5)
-#define COLOR_BROWN  	       	_gtia_mkcolor(HUE_YELLOW,2)
-#define COLOR_LIGHTRED       	_gtia_mkcolor(HUE_REDORANGE,6)
-#define COLOR_GRAY1  	       	_gtia_mkcolor(HUE_GREY,2)
-#define COLOR_GRAY2  	       	_gtia_mkcolor(HUE_GREY,3)
-#define COLOR_LIGHTGREEN     	_gtia_mkcolor(HUE_GREEN,6)
-#define COLOR_LIGHTBLUE      	_gtia_mkcolor(HUE_BLUE,6)
-#define COLOR_GRAY3  	       	_gtia_mkcolor(HUE_GREY,5)
+#define COLOR_BLACK             _gtia_mkcolor(HUE_GREY,0)
+#define COLOR_WHITE             _gtia_mkcolor(HUE_GREY,7)
+#define COLOR_RED               _gtia_mkcolor(HUE_REDORANGE,1)
+#define COLOR_CYAN              _gtia_mkcolor(HUE_CYAN,3)
+#define COLOR_VIOLET            _gtia_mkcolor(HUE_PURPLE,4)
+#define COLOR_GREEN             _gtia_mkcolor(HUE_GREEN,2)
+#define COLOR_BLUE              _gtia_mkcolor(HUE_BLUE,2)
+#define COLOR_YELLOW            _gtia_mkcolor(HUE_YELLOW,7)
+#define COLOR_ORANGE            _gtia_mkcolor(HUE_ORANGE,5)
+#define COLOR_BROWN             _gtia_mkcolor(HUE_YELLOW,2)
+#define COLOR_LIGHTRED          _gtia_mkcolor(HUE_REDORANGE,6)
+#define COLOR_GRAY1             _gtia_mkcolor(HUE_GREY,2)
+#define COLOR_GRAY2             _gtia_mkcolor(HUE_GREY,3)
+#define COLOR_LIGHTGREEN        _gtia_mkcolor(HUE_GREEN,6)
+#define COLOR_LIGHTBLUE         _gtia_mkcolor(HUE_BLUE,6)
+#define COLOR_GRAY3             _gtia_mkcolor(HUE_GREY,5)
 
 /* color register functions */
 extern void __fastcall__ _setcolor     (unsigned char color_reg, unsigned char hue, unsigned char luminace);
diff --git a/include/atmos.h b/include/atmos.h
index e4c2af9b2..eed6d7564 100644
--- a/include/atmos.h
+++ b/include/atmos.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   atmos.h                                   */
+/*                                 atmos.h                                   */
 /*                                                                           */
-/*		     Oric Atmos system-specific definitions                  */
+/*                   Oric Atmos system-specific definitions                  */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -47,82 +47,82 @@
 
 
 /* Color defines */
-#define COLOR_BLACK	0x00
-#define COLOR_RED	0x01
-#define COLOR_GREEN	0x02
-#define COLOR_YELLOW	0x03
-#define COLOR_BLUE	0x04
-#define COLOR_MAGENTA	0x05
-#define COLOR_CYAN	0x06
-#define COLOR_WHITE	0x07
+#define COLOR_BLACK     0x00
+#define COLOR_RED       0x01
+#define COLOR_GREEN     0x02
+#define COLOR_YELLOW    0x03
+#define COLOR_BLUE      0x04
+#define COLOR_MAGENTA   0x05
+#define COLOR_CYAN      0x06
+#define COLOR_WHITE     0x07
 
 /* TGI color defines */
 /* White and red are swapped, so that the pallete
 ** driver is compatible with black-and-white drivers.
 */
-#define TGI_COLOR_BLACK		COLOR_BLACK
-#define TGI_COLOR_WHITE		1
-#define TGI_COLOR_GREEN		COLOR_GREEN
-#define TGI_COLOR_YELLOW	COLOR_YELLOW
-#define TGI_COLOR_BLUE		COLOR_BLUE
-#define TGI_COLOR_MAGENTA	COLOR_MAGENTA
-#define TGI_COLOR_CYAN		COLOR_CYAN
-#define TGI_COLOR_RED		7
+#define TGI_COLOR_BLACK         COLOR_BLACK
+#define TGI_COLOR_WHITE         1
+#define TGI_COLOR_GREEN         COLOR_GREEN
+#define TGI_COLOR_YELLOW        COLOR_YELLOW
+#define TGI_COLOR_BLUE          COLOR_BLUE
+#define TGI_COLOR_MAGENTA       COLOR_MAGENTA
+#define TGI_COLOR_CYAN          COLOR_CYAN
+#define TGI_COLOR_RED           7
 
 
 
 /* Define hardware */
 #include <_6522.h>
-#define VIA	(*(struct __6522*)0x300)
+#define VIA     (*(struct __6522*)0x300)
 
 
 
 /* These are defined to be FUNCT + NumberKey */
-#define CH_F1		0xB1
-#define CH_F2		0xB2
-#define CH_F3		0xB3
-#define CH_F4		0xB4
-#define CH_F5		0xB5
-#define CH_F6		0xB6
-#define CH_F7		0xB7
-#define CH_F8		0xB8
-#define CH_F9		0xB9
-#define CH_F10		0xB0
+#define CH_F1           0xB1
+#define CH_F2           0xB2
+#define CH_F3           0xB3
+#define CH_F4           0xB4
+#define CH_F5           0xB5
+#define CH_F6           0xB6
+#define CH_F7           0xB7
+#define CH_F8           0xB8
+#define CH_F9           0xB9
+#define CH_F10          0xB0
 
 
 
 /* Character codes */
-#define CH_ULCORNER	'+'
-#define CH_URCORNER	'+'
-#define CH_LLCORNER	'+'
-#define CH_LRCORNER	'+'
-#define CH_TTEE		'+'
-#define CH_BTEE		'+'
-#define CH_LTEE		'+'
-#define CH_RTEE		'+'
-#define CH_CROSS	'+'
-#define CH_CURS_UP	 11
-#define CH_CURS_DOWN	 10
-#define CH_CURS_LEFT	  8
-#define CH_CURS_RIGHT	  9
-#define CH_DEL		127
-#define CH_ENTER	 13
-#define CH_STOP		  3
-#define CH_LIRA		 95
-#define CH_ESC		 27
+#define CH_ULCORNER     '+'
+#define CH_URCORNER     '+'
+#define CH_LLCORNER     '+'
+#define CH_LRCORNER     '+'
+#define CH_TTEE         '+'
+#define CH_BTEE         '+'
+#define CH_LTEE         '+'
+#define CH_RTEE         '+'
+#define CH_CROSS        '+'
+#define CH_CURS_UP       11
+#define CH_CURS_DOWN     10
+#define CH_CURS_LEFT      8
+#define CH_CURS_RIGHT     9
+#define CH_DEL          127
+#define CH_ENTER         13
+#define CH_STOP           3
+#define CH_LIRA          95
+#define CH_ESC           27
 
 
 
 /* No support for dynamically loadable drivers */
-#define DYN_DRV		0
+#define DYN_DRV         0
 
 
 
 /* The addresses of the static drivers */
-extern void atmos_pase_joy[];		/* Referred to by joy_static_stddrv[] */
+extern void atmos_pase_joy[];           /* Referred to by joy_static_stddrv[] */
 extern void atmos_acia_ser[];
 extern void atmos_228_200_3_tgi[];
-extern void atmos_240_200_2_tgi[];	/* Referred to by tgi_static_stddrv[] */
+extern void atmos_240_200_2_tgi[];      /* Referred to by tgi_static_stddrv[] */
 
 
 
diff --git a/include/c128.h b/include/c128.h
index 26fb25274..0b005bce0 100644
--- a/include/c128.h
+++ b/include/c128.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    c128.h				     */
+/*                                  c128.h                                   */
 /*                                                                           */
-/*		       C128 system specific definitions			     */
+/*                     C128 system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -46,50 +46,50 @@
 
 
 /* Additional key defines */
-#define CH_F1			133
-#define CH_F2			137
-#define CH_F3			134
-#define CH_F4			138
-#define CH_F5			135
-#define CH_F6			139
-#define CH_F7			136
-#define CH_F8			140
+#define CH_F1                   133
+#define CH_F2                   137
+#define CH_F3                   134
+#define CH_F4                   138
+#define CH_F5                   135
+#define CH_F6                   139
+#define CH_F7                   136
+#define CH_F8                   140
 
 /* Color defines */
-#define COLOR_BLACK  	       	0x00
-#define COLOR_WHITE  	       	0x01
-#define COLOR_RED    	       	0x02
-#define COLOR_CYAN      	0x03
-#define COLOR_VIOLET 	       	0x04
-#define COLOR_GREEN  	       	0x05
-#define COLOR_BLUE   	       	0x06
-#define COLOR_YELLOW 	       	0x07
-#define COLOR_ORANGE 	       	0x08
-#define COLOR_BROWN  	       	0x09
-#define COLOR_LIGHTRED       	0x0A
-#define COLOR_GRAY1  	       	0x0B
-#define COLOR_GRAY2  	       	0x0C
-#define COLOR_LIGHTGREEN     	0x0D
-#define COLOR_LIGHTBLUE      	0x0E
-#define COLOR_GRAY3  	       	0x0F
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
+#define COLOR_RED               0x02
+#define COLOR_CYAN              0x03
+#define COLOR_VIOLET            0x04
+#define COLOR_GREEN             0x05
+#define COLOR_BLUE              0x06
+#define COLOR_YELLOW            0x07
+#define COLOR_ORANGE            0x08
+#define COLOR_BROWN             0x09
+#define COLOR_LIGHTRED          0x0A
+#define COLOR_GRAY1             0x0B
+#define COLOR_GRAY2             0x0C
+#define COLOR_LIGHTGREEN        0x0D
+#define COLOR_LIGHTBLUE         0x0E
+#define COLOR_GRAY3             0x0F
 
 /* TGI color defines */
-#define TGI_COLOR_BLACK  	COLOR_BLACK
-#define TGI_COLOR_WHITE  	COLOR_WHITE
-#define TGI_COLOR_RED    	COLOR_RED
-#define TGI_COLOR_CYAN      	COLOR_CYAN
-#define TGI_COLOR_VIOLET 	COLOR_VIOLET
-#define TGI_COLOR_GREEN  	COLOR_GREEN
-#define TGI_COLOR_BLUE   	COLOR_BLUE
-#define TGI_COLOR_YELLOW 	COLOR_YELLOW
-#define TGI_COLOR_ORANGE 	COLOR_ORANGE
-#define TGI_COLOR_BROWN  	COLOR_BROWN
+#define TGI_COLOR_BLACK         COLOR_BLACK
+#define TGI_COLOR_WHITE         COLOR_WHITE
+#define TGI_COLOR_RED           COLOR_RED
+#define TGI_COLOR_CYAN          COLOR_CYAN
+#define TGI_COLOR_VIOLET        COLOR_VIOLET
+#define TGI_COLOR_GREEN         COLOR_GREEN
+#define TGI_COLOR_BLUE          COLOR_BLUE
+#define TGI_COLOR_YELLOW        COLOR_YELLOW
+#define TGI_COLOR_ORANGE        COLOR_ORANGE
+#define TGI_COLOR_BROWN         COLOR_BROWN
 #define TGI_COLOR_LIGHTRED      COLOR_LIGHTRED
-#define TGI_COLOR_GRAY1  	COLOR_GRAY1
-#define TGI_COLOR_GRAY2  	COLOR_GRAY2
+#define TGI_COLOR_GRAY1         COLOR_GRAY1
+#define TGI_COLOR_GRAY2         COLOR_GRAY2
 #define TGI_COLOR_LIGHTGREEN    COLOR_LIGHTGREEN
 #define TGI_COLOR_LIGHTBLUE     COLOR_LIGHTBLUE
-#define TGI_COLOR_GRAY3  	COLOR_GRAY3
+#define TGI_COLOR_GRAY3         COLOR_GRAY3
 
 /* Video mode defines */
 #define VIDEOMODE_40x25         0x00
@@ -101,22 +101,22 @@
 
 /* Define hardware */
 #include <_vic2.h>
-#define VIC    	(*(struct __vic2*)0xD000)
+#define VIC     (*(struct __vic2*)0xD000)
 
 #include <_sid.h>
-#define	SID	(*(struct __sid*)0xD400)
+#define SID     (*(struct __sid*)0xD400)
 
 #include <_vdc.h>
 #define VDC     (*(struct __vdc*)0xD600)
 
 #include <_6526.h>
-#define CIA1	(*(struct __6526*)0xDC00)
-#define CIA2	(*(struct __6526*)0xDD00)
+#define CIA1    (*(struct __6526*)0xDC00)
+#define CIA2    (*(struct __6526*)0xDD00)
 
 
 
 /* Define special memory areas */
-#define COLOR_RAM	((unsigned char*)0xD800)
+#define COLOR_RAM       ((unsigned char*)0xD800)
 
 
 
@@ -128,12 +128,12 @@ extern void c128_ramcart_emd[];
 extern void c128_reu_emd[];
 extern void c128_vdc_emd[];
 extern void c128_ptvjoy_joy[];
-extern void c128_stdjoy_joy[];	/* Referred to by joy_static_stddrv[] */
-extern void c128_1351_mous[];	/* Referred to by mouse_static_stddrv[] */
+extern void c128_stdjoy_joy[];  /* Referred to by joy_static_stddrv[] */
+extern void c128_1351_mous[];   /* Referred to by mouse_static_stddrv[] */
 extern void c128_joy_mou[];
 extern void c128_pot_mou[];
 extern void c128_swlink_ser[];
-extern void c128_vdc_tgi[];	/* Referred to by tgi_static_stddrv[] */
+extern void c128_vdc_tgi[];     /* Referred to by tgi_static_stddrv[] */
 extern void c128_vdc2_tgi[];
 
 
diff --git a/include/c16.h b/include/c16.h
index 35124a709..d49ca6fd4 100644
--- a/include/c16.h
+++ b/include/c16.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     c16.h                                   */
+/*                                   c16.h                                   */
 /*                                                                           */
-/*     	       	        C16 system specific definitions                      */
+/*                      C16 system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/c64.h b/include/c64.h
index 5cc2bd08e..0a4ebaf97 100644
--- a/include/c64.h
+++ b/include/c64.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     c64.h			       	     */
+/*                                   c64.h                                   */
 /*                                                                           */
-/*		        C64 system specific definitions			     */
+/*                      C64 system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -46,72 +46,72 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* Additional key defines */
-#define CH_F1			133
-#define CH_F2			137
-#define CH_F3			134
-#define CH_F4			138
-#define CH_F5			135
-#define CH_F6			139
-#define CH_F7			136
-#define CH_F8			140
+#define CH_F1                   133
+#define CH_F2                   137
+#define CH_F3                   134
+#define CH_F4                   138
+#define CH_F5                   135
+#define CH_F6                   139
+#define CH_F7                   136
+#define CH_F8                   140
 
 /* Color defines */
-#define COLOR_BLACK  	       	0x00
-#define COLOR_WHITE  	       	0x01
-#define COLOR_RED    	       	0x02
-#define COLOR_CYAN      	0x03
-#define COLOR_VIOLET 	       	0x04
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
+#define COLOR_RED               0x02
+#define COLOR_CYAN              0x03
+#define COLOR_VIOLET            0x04
 #define COLOR_PURPLE            COLOR_VIOLET
-#define COLOR_GREEN  	       	0x05
-#define COLOR_BLUE   	       	0x06
-#define COLOR_YELLOW 	       	0x07
-#define COLOR_ORANGE 	       	0x08
-#define COLOR_BROWN  	       	0x09
-#define COLOR_LIGHTRED       	0x0A
-#define COLOR_GRAY1  	       	0x0B
-#define COLOR_GRAY2  	       	0x0C
-#define COLOR_LIGHTGREEN     	0x0D
-#define COLOR_LIGHTBLUE      	0x0E
-#define COLOR_GRAY3  	       	0x0F
+#define COLOR_GREEN             0x05
+#define COLOR_BLUE              0x06
+#define COLOR_YELLOW            0x07
+#define COLOR_ORANGE            0x08
+#define COLOR_BROWN             0x09
+#define COLOR_LIGHTRED          0x0A
+#define COLOR_GRAY1             0x0B
+#define COLOR_GRAY2             0x0C
+#define COLOR_LIGHTGREEN        0x0D
+#define COLOR_LIGHTBLUE         0x0E
+#define COLOR_GRAY3             0x0F
 
 /* TGI color defines */
-#define TGI_COLOR_BLACK  	COLOR_BLACK
-#define TGI_COLOR_WHITE  	COLOR_WHITE
-#define TGI_COLOR_RED    	COLOR_RED
-#define TGI_COLOR_CYAN   	COLOR_CYAN
-#define TGI_COLOR_VIOLET 	COLOR_VIOLET
-#define TGI_COLOR_PURPLE 	COLOR_PURPLE
-#define TGI_COLOR_GREEN  	COLOR_GREEN
-#define TGI_COLOR_BLUE   	COLOR_BLUE
-#define TGI_COLOR_YELLOW 	COLOR_YELLOW
-#define TGI_COLOR_ORANGE 	COLOR_ORANGE
-#define TGI_COLOR_BROWN  	COLOR_BROWN
-#define TGI_COLOR_LIGHTRED	COLOR_LIGHTRED
-#define TGI_COLOR_GRAY1  	COLOR_GRAY1
-#define TGI_COLOR_GRAY2  	COLOR_GRAY2
-#define TGI_COLOR_LIGHTGREEN	COLOR_LIGHTGREEN
-#define TGI_COLOR_LIGHTBLUE	COLOR_LIGHTBLUE
-#define TGI_COLOR_GRAY3  	COLOR_GRAY3
+#define TGI_COLOR_BLACK         COLOR_BLACK
+#define TGI_COLOR_WHITE         COLOR_WHITE
+#define TGI_COLOR_RED           COLOR_RED
+#define TGI_COLOR_CYAN          COLOR_CYAN
+#define TGI_COLOR_VIOLET        COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
+#define TGI_COLOR_GREEN         COLOR_GREEN
+#define TGI_COLOR_BLUE          COLOR_BLUE
+#define TGI_COLOR_YELLOW        COLOR_YELLOW
+#define TGI_COLOR_ORANGE        COLOR_ORANGE
+#define TGI_COLOR_BROWN         COLOR_BROWN
+#define TGI_COLOR_LIGHTRED      COLOR_LIGHTRED
+#define TGI_COLOR_GRAY1         COLOR_GRAY1
+#define TGI_COLOR_GRAY2         COLOR_GRAY2
+#define TGI_COLOR_LIGHTGREEN    COLOR_LIGHTGREEN
+#define TGI_COLOR_LIGHTBLUE     COLOR_LIGHTBLUE
+#define TGI_COLOR_GRAY3         COLOR_GRAY3
 
 /* Define hardware */
 #include <_vic2.h>
-#define VIC    	(*(struct __vic2*)0xD000)
+#define VIC     (*(struct __vic2*)0xD000)
 
 #include <_sid.h>
-#define	SID	(*(struct __sid*)0xD400)
+#define SID     (*(struct __sid*)0xD400)
 
 #include <_6526.h>
-#define CIA1	(*(struct __6526*)0xDC00)
-#define CIA2	(*(struct __6526*)0xDD00)
+#define CIA1    (*(struct __6526*)0xDC00)
+#define CIA2    (*(struct __6526*)0xDD00)
 
 /* Define special memory areas */
-#define COLOR_RAM	((unsigned char*)0xD800)
+#define COLOR_RAM       ((unsigned char*)0xD800)
 
 /* Return codes for get_ostype */
 #define C64_OS_US       0xAA            /* US version */
@@ -152,7 +152,7 @@ extern void c64_hi_tgi[];               /* Referred to by tgi_static_stddrv[] */
 
 
 /*****************************************************************************/
-/*	       	   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/cbm.h b/include/cbm.h
index 5a422806a..ed7397849 100644
--- a/include/cbm.h
+++ b/include/cbm.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     cbm.h			       	     */
+/*                                   cbm.h                                   */
 /*                                                                           */
-/*			CBM system-specific definitions			     */
+/*                      CBM system-specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -94,29 +94,29 @@ extern char _filetype;          /* Defaults to 's' */
 
 
 
-#define CH_HLINE	192
-#define CH_VLINE	221
-#define CH_ULCORNER	176
-#define CH_URCORNER	174
-#define CH_LLCORNER	173
-#define CH_LRCORNER	189
-#define CH_TTEE		178
-#define CH_BTEE		177
-#define CH_LTEE		171
-#define CH_RTEE		179
-#define CH_CROSS	219
-#define CH_CURS_UP	145
-#define CH_CURS_DOWN	 17
-#define CH_CURS_LEFT	157
-#define CH_CURS_RIGHT	 29
-#define CH_PI		222
-#define CH_HOME		 19
-#define CH_DEL		 20
-#define CH_INS		148
-#define CH_ENTER	 13
-#define CH_STOP		  3
-#define CH_LIRA		 92
-#define CH_ESC		 27
+#define CH_HLINE        192
+#define CH_VLINE        221
+#define CH_ULCORNER     176
+#define CH_URCORNER     174
+#define CH_LLCORNER     173
+#define CH_LRCORNER     189
+#define CH_TTEE         178
+#define CH_BTEE         177
+#define CH_LTEE         171
+#define CH_RTEE         179
+#define CH_CROSS        219
+#define CH_CURS_UP      145
+#define CH_CURS_DOWN     17
+#define CH_CURS_LEFT    157
+#define CH_CURS_RIGHT    29
+#define CH_PI           222
+#define CH_HOME          19
+#define CH_DEL           20
+#define CH_INS          148
+#define CH_ENTER         13
+#define CH_STOP           3
+#define CH_LIRA          92
+#define CH_ESC           27
 
 
 
@@ -166,9 +166,9 @@ unsigned char get_tv (void);
  *
  * e.g., cbm_open(2, 8, CBM_READ, "0:data,s");
  */
-#define CBM_READ	0	/* default is ",p" */
-#define CBM_WRITE	1	/* ditto */
-#define CBM_SEQ		2	/* default is ",r" -- or ",s" when writing */
+#define CBM_READ        0       /* default is ",p" */
+#define CBM_WRITE       1       /* ditto */
+#define CBM_SEQ         2       /* default is ",r" -- or ",s" when writing */
 
 /* Kernal-level functions */
 unsigned char cbm_k_acptr (void);
@@ -204,20 +204,20 @@ void cbm_k_unlsn (void);
 /* The cbm_* I/O functions below set _oserror (see errno.h),
  * in case of an error.
  *
- * error-code	BASIC error
- * ----------	-----------
- *	 1  =	too many files
- *	 2  =	file open
- *	 3  =	file not open
- *	 4  =	file not found
- *	 5  =	device not present
- *	 6  =	not input-file
- *	 7  =	not output-file
- *	 8  =	missing file-name
- *	 9  =	illegal device-number
+ * error-code   BASIC error
+ * ----------   -----------
+ *       1  =   too many files
+ *       2  =   file open
+ *       3  =   file not open
+ *       4  =   file not found
+ *       5  =   device not present
+ *       6  =   not input-file
+ *       7  =   not output-file
+ *       8  =   missing file-name
+ *       9  =   illegal device-number
  *
- *	10  =	STOP-key pushed
- *	11  =	general I/O-error
+ *      10  =   STOP-key pushed
+ *      11  =   general I/O-error
  */
 
 
diff --git a/include/cbm264.h b/include/cbm264.h
index 961701700..9ede10f47 100644
--- a/include/cbm264.h
+++ b/include/cbm264.h
@@ -46,83 +46,83 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* Additional key defines */
-#define CH_F1  			133
-#define CH_F2  			137
-#define CH_F3  			134
-#define CH_F4  			138
-#define CH_F5  			135
-#define CH_F6  			139
-#define CH_F7  			136
-#define CH_F8  			140
+#define CH_F1                   133
+#define CH_F2                   137
+#define CH_F3                   134
+#define CH_F4                   138
+#define CH_F5                   135
+#define CH_F6                   139
+#define CH_F7                   136
+#define CH_F8                   140
 
 
 
 /* Color attributes */
-#define CATTR_LUMA0		0x00
-#define CATTR_LUMA1		0x10
-#define CATTR_LUMA2		0x20
-#define CATTR_LUMA3		0x30
-#define CATTR_LUMA4		0x40
-#define CATTR_LUMA5		0x50
-#define CATTR_LUMA6		0x60
-#define CATTR_LUMA7		0x70
-#define CATTR_BLINK		0x80
+#define CATTR_LUMA0             0x00
+#define CATTR_LUMA1             0x10
+#define CATTR_LUMA2             0x20
+#define CATTR_LUMA3             0x30
+#define CATTR_LUMA4             0x40
+#define CATTR_LUMA5             0x50
+#define CATTR_LUMA6             0x60
+#define CATTR_LUMA7             0x70
+#define CATTR_BLINK             0x80
 
 /* Base colors */
-#define BCOLOR_BLACK		0x00
-#define BCOLOR_WHITE		0x01
-#define BCOLOR_RED		0x02
-#define BCOLOR_CYAN    	       	0x03
-#define BCOLOR_VIOLET		0x04
+#define BCOLOR_BLACK            0x00
+#define BCOLOR_WHITE            0x01
+#define BCOLOR_RED              0x02
+#define BCOLOR_CYAN             0x03
+#define BCOLOR_VIOLET           0x04
 #define BCOLOR_PURPLE           BCOLOR_VIOLET
-#define BCOLOR_GREEN		0x05
-#define BCOLOR_BLUE		0x06
-#define BCOLOR_YELLOW		0x07
-#define BCOLOR_ORANGE		0x08
-#define BCOLOR_BROWN		0x09
-#define BCOLOR_LEMON		0x0A   	/* What's that color? */
-#define BCOLOR_LIGHTVIOLET	0x0B
-#define BCOLOR_BLUEGREEN	0x0C
-#define BCOLOR_LIGHTBLUE	0x0D
-#define BCOLOR_DARKBLUE		0x0E
-#define BCOLOR_LIGHTGREEN	0x0F
+#define BCOLOR_GREEN            0x05
+#define BCOLOR_BLUE             0x06
+#define BCOLOR_YELLOW           0x07
+#define BCOLOR_ORANGE           0x08
+#define BCOLOR_BROWN            0x09
+#define BCOLOR_LEMON            0x0A    /* What's that color? */
+#define BCOLOR_LIGHTVIOLET      0x0B
+#define BCOLOR_BLUEGREEN        0x0C
+#define BCOLOR_LIGHTBLUE        0x0D
+#define BCOLOR_DARKBLUE         0x0E
+#define BCOLOR_LIGHTGREEN       0x0F
 
 /* Now try to mix up a C64/C128 compatible palette */
-#define COLOR_BLACK  	       	(BCOLOR_BLACK)
-#define COLOR_WHITE  	       	(BCOLOR_WHITE | CATTR_LUMA7)
-#define COLOR_RED    	       	(BCOLOR_RED | CATTR_LUMA4)
-#define COLOR_CYAN        	(BCOLOR_CYAN | CATTR_LUMA7)
-#define COLOR_VIOLET 	       	(BCOLOR_VIOLET | CATTR_LUMA7)
+#define COLOR_BLACK             (BCOLOR_BLACK)
+#define COLOR_WHITE             (BCOLOR_WHITE | CATTR_LUMA7)
+#define COLOR_RED               (BCOLOR_RED | CATTR_LUMA4)
+#define COLOR_CYAN              (BCOLOR_CYAN | CATTR_LUMA7)
+#define COLOR_VIOLET            (BCOLOR_VIOLET | CATTR_LUMA7)
 #define COLOR_PURPLE            COLOR_VIOLET
-#define COLOR_GREEN  	       	(BCOLOR_GREEN | CATTR_LUMA7)
-#define COLOR_BLUE   	       	(BCOLOR_BLUE | CATTR_LUMA7)
-#define COLOR_YELLOW 	       	(BCOLOR_YELLOW | CATTR_LUMA7)
-#define COLOR_ORANGE 	       	(BCOLOR_ORANGE | CATTR_LUMA7)
-#define COLOR_BROWN  	       	(BCOLOR_BROWN | CATTR_LUMA7)
-#define COLOR_LIGHTRED       	(BCOLOR_RED | CATTR_LUMA7)
-#define COLOR_GRAY1  	       	(BCOLOR_WHITE | CATTR_LUMA1)
-#define COLOR_GRAY2  	       	(BCOLOR_WHITE | CATTR_LUMA3)
-#define COLOR_LIGHTGREEN     	(BCOLOR_LIGHTGREEN | CATTR_LUMA7)
-#define COLOR_LIGHTBLUE      	(BCOLOR_LIGHTBLUE | CATTR_LUMA7)
-#define COLOR_GRAY3  	       	(BCOLOR_WHITE | CATTR_LUMA5)
+#define COLOR_GREEN             (BCOLOR_GREEN | CATTR_LUMA7)
+#define COLOR_BLUE              (BCOLOR_BLUE | CATTR_LUMA7)
+#define COLOR_YELLOW            (BCOLOR_YELLOW | CATTR_LUMA7)
+#define COLOR_ORANGE            (BCOLOR_ORANGE | CATTR_LUMA7)
+#define COLOR_BROWN             (BCOLOR_BROWN | CATTR_LUMA7)
+#define COLOR_LIGHTRED          (BCOLOR_RED | CATTR_LUMA7)
+#define COLOR_GRAY1             (BCOLOR_WHITE | CATTR_LUMA1)
+#define COLOR_GRAY2             (BCOLOR_WHITE | CATTR_LUMA3)
+#define COLOR_LIGHTGREEN        (BCOLOR_LIGHTGREEN | CATTR_LUMA7)
+#define COLOR_LIGHTBLUE         (BCOLOR_LIGHTBLUE | CATTR_LUMA7)
+#define COLOR_GRAY3             (BCOLOR_WHITE | CATTR_LUMA5)
 
 /* Define hardware */
 #include <_ted.h>
 #define TED             (*(struct __ted*)0xFF00)
 
 /* Define special memory areas */
-#define COLOR_RAM	((unsigned char*)0x0800)
+#define COLOR_RAM       ((unsigned char*)0x0800)
 
 
 
 /*****************************************************************************/
-/*	       	   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/cbm510.h b/include/cbm510.h
index 19370d818..350527c89 100644
--- a/include/cbm510.h
+++ b/include/cbm510.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   cbm510.h                                  */
+/*                                 cbm510.h                                  */
 /*                                                                           */
-/*	       System specific definitions for the CBM5x0 / P500             */
+/*             System specific definitions for the CBM5x0 / P500             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -46,68 +46,68 @@
 
 
 /*****************************************************************************/
-/*                                   Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* Additional key defines */
-#define CH_F1			224
-#define CH_F2			225
-#define CH_F3			226
-#define CH_F4			227
-#define CH_F5			228
-#define CH_F6			229
-#define CH_F7			230
-#define CH_F8			231
-#define CH_F9			232
-#define CH_F10			233
-#define CH_F11			234
-#define CH_F12			235
-#define CH_F13			236
-#define CH_F14			237
-#define CH_F15			238
-#define CH_F16			239
-#define CH_F17			240
-#define CH_F18			241
-#define CH_F19			242
-#define CH_F20			243
+#define CH_F1                   224
+#define CH_F2                   225
+#define CH_F3                   226
+#define CH_F4                   227
+#define CH_F5                   228
+#define CH_F6                   229
+#define CH_F7                   230
+#define CH_F8                   231
+#define CH_F9                   232
+#define CH_F10                  233
+#define CH_F11                  234
+#define CH_F12                  235
+#define CH_F13                  236
+#define CH_F14                  237
+#define CH_F15                  238
+#define CH_F16                  239
+#define CH_F17                  240
+#define CH_F18                  241
+#define CH_F19                  242
+#define CH_F20                  243
 
 /* Color defines */
-#define COLOR_BLACK  	       	0x00
-#define COLOR_WHITE  	       	0x01
-#define COLOR_RED    	       	0x02
-#define COLOR_CYAN      	0x03
-#define COLOR_VIOLET 	       	0x04
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
+#define COLOR_RED               0x02
+#define COLOR_CYAN              0x03
+#define COLOR_VIOLET            0x04
 #define COLOR_PURPLE            COLOR_VIOLET
-#define COLOR_GREEN  	       	0x05
-#define COLOR_BLUE   	       	0x06
-#define COLOR_YELLOW 	       	0x07
-#define COLOR_ORANGE 	       	0x08
-#define COLOR_BROWN  	       	0x09
-#define COLOR_LIGHTRED       	0x0A
-#define COLOR_GRAY1  	       	0x0B
-#define COLOR_GRAY2  	       	0x0C
-#define COLOR_LIGHTGREEN     	0x0D
-#define COLOR_LIGHTBLUE      	0x0E
-#define COLOR_GRAY3  	       	0x0F
+#define COLOR_GREEN             0x05
+#define COLOR_BLUE              0x06
+#define COLOR_YELLOW            0x07
+#define COLOR_ORANGE            0x08
+#define COLOR_BROWN             0x09
+#define COLOR_LIGHTRED          0x0A
+#define COLOR_GRAY1             0x0B
+#define COLOR_GRAY2             0x0C
+#define COLOR_LIGHTGREEN        0x0D
+#define COLOR_LIGHTBLUE         0x0E
+#define COLOR_GRAY3             0x0F
 
 /* Define hardware */
 #include <_vic2.h>
-#define VIC    	(*(struct __vic2*)0xD800)
+#define VIC     (*(struct __vic2*)0xD800)
 
 #include <_sid.h>
-#define	SID	(*(struct __sid*)0xDA00)
+#define SID     (*(struct __sid*)0xDA00)
 
 #include <_6526.h>
-#define CIA	(*(struct __6526*)0xDC00)
+#define CIA     (*(struct __6526*)0xDC00)
 
 #include <_6551.h>
-#define ACIA	(*(struct __6551*)0xDD00)
+#define ACIA    (*(struct __6551*)0xDD00)
 
 #include <_6525.h>
-#define TPI1	(*(struct __6525*)0xDE00)
-#define TPI2	(*(struct __6525*)0xDF00)
+#define TPI1    (*(struct __6525*)0xDE00)
+#define TPI2    (*(struct __6525*)0xDF00)
 
 
 
@@ -119,13 +119,13 @@
 
 /* The addresses of the static drivers */
 extern void cbm510_ram_emd[];
-extern void cbm510_std_joy[];	/* Referred to by joy_static_stddrv[] */
+extern void cbm510_std_joy[];   /* Referred to by joy_static_stddrv[] */
 extern void cbm510_std_ser[];
 
 
 
 /*****************************************************************************/
-/*                                   Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/cbm610.h b/include/cbm610.h
index 523b49577..84ea12ece 100644
--- a/include/cbm610.h
+++ b/include/cbm610.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*                                 cbm610.h				     */
+/*                                 cbm610.h                                  */
 /*                                                                           */
-/*                    CBM610 system specific definitions		     */
+/*                    CBM610 system specific definitions                     */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -46,7 +46,7 @@
 
 
 /*****************************************************************************/
-/*                                   Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -74,15 +74,15 @@
 #define CH_F20                  243
 
 /* Color defines */
-#define COLOR_BLACK            	0x00
-#define COLOR_WHITE            	0x01
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
 
 /* Define hardware */
 #include <_6545.h>
 #define CRTC    (*(struct __6545)0xD800)
 
 #include <_sid.h>
-#define SID	(*(struct __sid*)0xDA00)
+#define SID     (*(struct __sid*)0xDA00)
 
 #include <_6526.h>
 #define CIA     (*(struct __6526*)0xDC00)
@@ -109,7 +109,7 @@ extern void cbm610_std_ser[];
 
 
 /*****************************************************************************/
-/*                                   Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/cc65.h b/include/cc65.h
index e1c23e1bc..5607eab7b 100644
--- a/include/cc65.h
+++ b/include/cc65.h
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*	       	   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/conio.h b/include/conio.h
index 21a0c1ea7..ab446ad42 100644
--- a/include/conio.h
+++ b/include/conio.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*                                  conio.h				     */
+/*                                  conio.h                                  */
 /*                                                                           */
-/*                            Direct console I/O			     */
+/*                            Direct console I/O                             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -82,7 +82,7 @@
 
 
 /*****************************************************************************/
-/*            			   Functions	     			     */
+/*                                 Functions                                 */
 /*****************************************************************************/
 
 
diff --git a/include/ctype.h b/include/ctype.h
index 8437e2c2c..4c7f976d2 100644
--- a/include/ctype.h
+++ b/include/ctype.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    ctype.h				     */
+/*                                  ctype.h                                  */
 /*                                                                           */
-/*			      Character handling			     */
+/*                            Character handling                             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -41,21 +41,21 @@
 extern unsigned char _ctype[256];
 
 /* Bits used to specify character classes */
-#define _CT_LOWER      	0x01   	/* 0 - Lower case char */
-#define _CT_UPPER   	0x02   	/* 1 - Upper case char */
-#define _CT_DIGIT   	0x04	/* 2 - Numeric digit */
-#define _CT_XDIGIT     	0x08	/* 3 - Hex digit (both lower and upper) */
-#define _CT_CNTRL      	0x10	/* 4 - Control character */
-#define _CT_SPACE   	0x20	/* 5 - The space character itself */
-#define _CT_OTHER_WS	0x40 	/* 6 - Other whitespace ('\f', '\n', '\r', '\t', and '\v') */
-#define _CT_SPACE_TAB	0x80 	/* 7 - Space or tab character */
+#define _CT_LOWER       0x01    /* 0 - Lower case char */
+#define _CT_UPPER       0x02    /* 1 - Upper case char */
+#define _CT_DIGIT       0x04    /* 2 - Numeric digit */
+#define _CT_XDIGIT      0x08    /* 3 - Hex digit (both lower and upper) */
+#define _CT_CNTRL       0x10    /* 4 - Control character */
+#define _CT_SPACE       0x20    /* 5 - The space character itself */
+#define _CT_OTHER_WS    0x40    /* 6 - Other whitespace ('\f', '\n', '\r', '\t', and '\v') */
+#define _CT_SPACE_TAB   0x80    /* 7 - Space or tab character */
 
 /* Bit combinations */
-#define _CT_ALNUM      	(_CT_LOWER | _CT_UPPER | _CT_DIGIT)
-#define _CT_ALPHA 	(_CT_LOWER | _CT_UPPER)
-#define _CT_NOT_GRAPH	(_CT_CNTRL | _CT_SPACE)
+#define _CT_ALNUM       (_CT_LOWER | _CT_UPPER | _CT_DIGIT)
+#define _CT_ALPHA       (_CT_LOWER | _CT_UPPER)
+#define _CT_NOT_GRAPH   (_CT_CNTRL | _CT_SPACE)
 #define _CT_NOT_PRINT   (_CT_CNTRL)
-#define _CT_NOT_PUNCT	(_CT_SPACE | _CT_CNTRL | _CT_DIGIT | _CT_UPPER | _CT_LOWER)
+#define _CT_NOT_PUNCT   (_CT_SPACE | _CT_CNTRL | _CT_DIGIT | _CT_UPPER | _CT_LOWER)
 #define _CT_WS          (_CT_SPACE | _CT_OTHER_WS)
 
 /* Character classification functions */
@@ -71,11 +71,11 @@ int __fastcall__ isspace (int c);
 int __fastcall__ isupper (int c);
 int __fastcall__ isxdigit (int c);
 #if __CC65_STD__ >= __CC65_STD_C99__
-int __fastcall__ isblank (int c);      	/* New in C99 */
+int __fastcall__ isblank (int c);       /* New in C99 */
 #endif
 
-int __fastcall__ toupper (int c); 	/* Always external */
-int __fastcall__ tolower (int c); 	/* Always external */
+int __fastcall__ toupper (int c);       /* Always external */
+int __fastcall__ tolower (int c);       /* Always external */
 
 #if __CC65_STD__ >= __CC65_STD_CC65__
 unsigned char __fastcall__ toascii (unsigned char c);
@@ -95,83 +95,83 @@ unsigned char __fastcall__ toascii (unsigned char c);
 
 #define isalnum(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-      	       	    __asm__ ("lda %v,y", _ctype),       \
-      	       	    __asm__ ("and #%b", _CT_ALNUM),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_ALNUM),     \
                     __AX__)
 
 #define isalpha(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-      	       	    __asm__ ("lda %v,y", _ctype),       \
-      	       	    __asm__ ("and #%b", _CT_ALPHA),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_ALPHA),     \
                     __AX__)
 
 #if __CC65_STD__ >= __CC65_STD_C99__
 #define isblank(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-      	       	    __asm__ ("lda %v,y", _ctype),       \
-      	       	    __asm__ ("and #%b", _CT_SPACE_TAB), \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_SPACE_TAB), \
                     __AX__)
 #endif
 
 #define iscntrl(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-      	       	    __asm__ ("lda %v,y", _ctype),       \
-      	       	    __asm__ ("and #%b", _CT_CNTRL),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_CNTRL),     \
                     __AX__)
 
 #define isdigit(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-      	       	    __asm__ ("lda %v,y", _ctype),       \
-      	       	    __asm__ ("and #%b", _CT_DIGIT),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_DIGIT),     \
                     __AX__)
 
 #define isgraph(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-		    __asm__ ("and #%b", _CT_NOT_GRAPH), \
-	       	    __asm__ ("cmp #1"),                 \
-	       	    __asm__ ("lda #1"),                 \
-	       	    __asm__ ("sbc #1"),                 \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_NOT_GRAPH), \
+                    __asm__ ("cmp #1"),                 \
+                    __asm__ ("lda #1"),                 \
+                    __asm__ ("sbc #1"),                 \
                     __AX__)
 
 #define islower(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_LOWER),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_LOWER),     \
                     __AX__)
 
 #define isprint(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_NOT_PRINT), \
-	       	    __asm__ ("eor #%b", _CT_NOT_PRINT), \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_NOT_PRINT), \
+                    __asm__ ("eor #%b", _CT_NOT_PRINT), \
                     __AX__)
 
 #define ispunct(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_NOT_PUNCT), \
-	       	    __asm__ ("cmp #1"),                 \
-	       	    __asm__ ("lda #1"),                 \
-	       	    __asm__ ("sbc #1"),                 \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_NOT_PUNCT), \
+                    __asm__ ("cmp #1"),                 \
+                    __asm__ ("lda #1"),                 \
+                    __asm__ ("sbc #1"),                 \
                     __AX__)
 
 #define isspace(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_WS),        \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_WS),        \
                     __AX__)
 
 #define isupper(c)  (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_UPPER),     \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_UPPER),     \
                     __AX__)
 
 #define isxdigit(c) (__AX__ = (c),                      \
                     __asm__ ("tay"),                    \
-	       	    __asm__ ("lda %v,y", _ctype),       \
-	       	    __asm__ ("and #%b", _CT_XDIGIT),    \
+                    __asm__ ("lda %v,y", _ctype),       \
+                    __asm__ ("and #%b", _CT_XDIGIT),    \
                     __AX__)
 
 #endif
diff --git a/include/dbg.h b/include/dbg.h
index 4749b18be..5156658f0 100644
--- a/include/dbg.h
+++ b/include/dbg.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     dbg.h				     */
+/*                                   dbg.h                                   */
 /*                                                                           */
-/*			   Debugger module interface			     */
+/*                         Debugger module interface                         */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -61,7 +61,7 @@
 
 
 /*****************************************************************************/
-/*     	       	       	       Utility functions			     */
+/*                             Utility functions                             */
 /*****************************************************************************/
 
 
@@ -101,7 +101,7 @@ char* DbgMemDump (unsigned Addr, char* Buf, unsigned char Len);
 
 
 /*****************************************************************************/
-/*			   High level user interface   			     */
+/*                         High level user interface                         */
 /*****************************************************************************/
 
 
@@ -111,7 +111,7 @@ void __fastcall__ DbgInit (unsigned unused);
  * next brk encountered.
  */
 
-#define BREAK()	       	__asm__ ("brk")
+#define BREAK()         __asm__ ("brk")
 /* Use this to insert breakpoints into your code */
 
 
diff --git a/include/dirent.h b/include/dirent.h
index 010db6a11..993036a1b 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -36,7 +36,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data	   			     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -113,11 +113,11 @@ struct dirent {
 #elif defined(__LYNX__)
 
 struct dirent {
-    unsigned char	d_blocks;
-    unsigned int	d_offset;
-    char		d_type;
-    void		*d_address;
-    unsigned int	d_size;
+    unsigned char       d_blocks;
+    unsigned int        d_offset;
+    char                d_type;
+    void                *d_address;
+    unsigned int        d_size;
 };
 
 extern struct dirent FileEntry;
@@ -144,7 +144,7 @@ struct dirent {
 
 
 /*****************************************************************************/
-/*		   		     Code	   			     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/em.h b/include/em.h
index 8b409cac2..28836f2b1 100644
--- a/include/em.h
+++ b/include/em.h
@@ -71,7 +71,7 @@ struct em_copy {
 
 
 /*****************************************************************************/
-/* 	      	       	      	   Functions	     			     */
+/*                                 Functions                                 */
 /*****************************************************************************/
 
 
diff --git a/include/em/em-kernel.h b/include/em/em-kernel.h
index 04757499c..48cbbe8f7 100644
--- a/include/em/em-kernel.h
+++ b/include/em/em-kernel.h
@@ -60,7 +60,7 @@ typedef struct {
     void*               map;            /* MAP routine */
     void*               use;            /* USE routine */
     void*               mapclean;       /* MAPCLEAN routine */
-    void*		copyfrom; 	/* COPYFROM routine */
+    void*               copyfrom;       /* COPYFROM routine */
     void*               copyto;         /* COPYTO routine */
 
 } em_drv_header;
@@ -68,7 +68,7 @@ typedef struct {
 
 
 /* EM kernel variables */
-extern em_drv_header*  	em_drv;       	/* Pointer to driver */
+extern em_drv_header*   em_drv;         /* Pointer to driver */
 
 
 
diff --git a/include/errno.h b/include/errno.h
index 60f069dac..468e7d4ea 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    errno.h				     */
+/*                                  errno.h                                  */
 /*                                                                           */
-/*				  Error codes				     */
+/*                                Error codes                                */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -56,23 +56,23 @@ extern int _errno;
 
 
 /* Possible error codes */
-#define	ENOENT		1	/* No such file or directory */
-#define ENOMEM		2	/* Out of memory */
-#define EACCES		3	/* Permission denied */
-#define ENODEV	       	4	/* No such device */
-#define EMFILE		5	/* Too many open files */
-#define EBUSY		6	/* Device or resource busy */
-#define EINVAL		7	/* Invalid argument */
-#define ENOSPC		8	/* No space left on device */
-#define EEXIST		9	/* File exists */
-#define EAGAIN		10	/* Try again */
-#define EIO		11	/* I/O error */
-#define EINTR		12	/* Interrupted system call */
-#define ENOSYS		13	/* Function not implemented */
-#define ESPIPE		14	/* Illegal seek */
+#define ENOENT          1       /* No such file or directory */
+#define ENOMEM          2       /* Out of memory */
+#define EACCES          3       /* Permission denied */
+#define ENODEV          4       /* No such device */
+#define EMFILE          5       /* Too many open files */
+#define EBUSY           6       /* Device or resource busy */
+#define EINVAL          7       /* Invalid argument */
+#define ENOSPC          8       /* No space left on device */
+#define EEXIST          9       /* File exists */
+#define EAGAIN          10      /* Try again */
+#define EIO             11      /* I/O error */
+#define EINTR           12      /* Interrupted system call */
+#define ENOSYS          13      /* Function not implemented */
+#define ESPIPE          14      /* Illegal seek */
 #define ERANGE          15      /* Range error */
 #define EBADF           16      /* Bad file number */
-#define EUNKNOWN       	17	/* Unknown OS specific error */
+#define EUNKNOWN        17      /* Unknown OS specific error */
 
 
 
diff --git a/include/fcntl.h b/include/fcntl.h
index fd86c7a19..0d2398315 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -1,6 +1,6 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    fcntl.h				     */
+/*                                  fcntl.h                                  */
 /*                                                                           */
 /*                            File control operations                        */
 /*                                                                           */
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	    	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -56,13 +56,13 @@
 
 
 /*****************************************************************************/
-/*		   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
 
 /* Functions */
-int open (const char* name, int flags, ...);	/* May take a mode argument */
+int open (const char* name, int flags, ...);    /* May take a mode argument */
 int __fastcall__ close (int fd);
 int __fastcall__ creat (const char* name, unsigned mode);
 
diff --git a/include/geos.h b/include/geos.h
index 2491d2f09..65b85cd59 100644
--- a/include/geos.h
+++ b/include/geos.h
@@ -68,70 +68,70 @@
 #endif
 
 
-#define CH_ULCORNER		'+'
-#define CH_URCORNER		'+'
-#define CH_LLCORNER		'+'
-#define CH_LRCORNER		'+'
-#define CH_TTEE			'+'
-#define CH_RTEE			'+'
-#define CH_BTEE			'+'
-#define CH_LTEE			'+'
-#define CH_CROSS		'+'
-
-#define CH_F1			KEY_F1
-#define CH_F2			KEY_F2
-#define CH_F3			KEY_F3
-#define CH_F4			KEY_F4
-#define CH_F5			KEY_F5
-#define CH_F6			KEY_F6
-#define CH_F7			KEY_F7
-#define CH_F8			KEY_F8
-
-#define CH_CURS_UP		KEY_UP
-#define CH_CURS_DOWN		KEY_DOWN
-#define CH_CURS_LEFT		KEY_LEFT
-#define CH_CURS_RIGHT		KEY_RIGHT
-#define CH_DEL			KEY_DELETE
-#define CH_INS			KEY_INSERT
-#define CH_ENTER		KEY_ENTER
-#define CH_STOP			KEY_STOP
-#define CH_ESC			KEY_ESC
-
-#define COLOR_BLACK		BLACK
-#define COLOR_WHITE		WHITE
-#define COLOR_RED		RED
-#define COLOR_CYAN		CYAN
-#define COLOR_VIOLET		PURPLE
-#define COLOR_PURPLE		PURPLE
-#define COLOR_GREEN		GREEN
-#define COLOR_BLUE		BLUE
-#define COLOR_YELLOW		YELLOW
-#define COLOR_ORANGE		ORANGE
-#define COLOR_BROWN		BROWN
-#define COLOR_LIGHTRED		LTRED
-#define COLOR_GRAY1		DKGREY
-#define COLOR_GRAY2		MEDGREY
-#define COLOR_LIGHTGREEN	LTGREEN
-#define COLOR_LIGHTBLUE		LTBLUE
-#define COLOR_GRAY3		LTGREY
-
-#define TGI_COLOR_BLACK		COLOR_BLACK
-#define TGI_COLOR_WHITE		COLOR_WHITE
-#define TGI_COLOR_RED		COLOR_RED
-#define TGI_COLOR_CYAN		COLOR_CYAN
-#define TGI_COLOR_VIOLET	COLOR_VIOLET
-#define TGI_COLOR_PURPLE	COLOR_PURPLE
-#define TGI_COLOR_GREEN		COLOR_GREEN
-#define TGI_COLOR_BLUE		COLOR_BLUE
-#define TGI_COLOR_YELLOW	COLOR_YELLOW
-#define TGI_COLOR_ORANGE	COLOR_ORANGE
-#define TGI_COLOR_BROWN		COLOR_BROWN
-#define TGI_COLOR_LIGHTRED	COLOR_LIGHTRED
-#define TGI_COLOR_GRAY1		COLOR_GRAY1
-#define TGI_COLOR_GRAY2		COLOR_GRAY2
-#define TGI_COLOR_LIGHTGREEN	COLOR_LIGHTGREEN
-#define TGI_COLOR_LIGHTBLUE	COLOR_LIGHTBLUE
-#define TGI_COLOR_GRAY3		COLOR_GRAY3
+#define CH_ULCORNER             '+'
+#define CH_URCORNER             '+'
+#define CH_LLCORNER             '+'
+#define CH_LRCORNER             '+'
+#define CH_TTEE                 '+'
+#define CH_RTEE                 '+'
+#define CH_BTEE                 '+'
+#define CH_LTEE                 '+'
+#define CH_CROSS                '+'
+
+#define CH_F1                   KEY_F1
+#define CH_F2                   KEY_F2
+#define CH_F3                   KEY_F3
+#define CH_F4                   KEY_F4
+#define CH_F5                   KEY_F5
+#define CH_F6                   KEY_F6
+#define CH_F7                   KEY_F7
+#define CH_F8                   KEY_F8
+
+#define CH_CURS_UP              KEY_UP
+#define CH_CURS_DOWN            KEY_DOWN
+#define CH_CURS_LEFT            KEY_LEFT
+#define CH_CURS_RIGHT           KEY_RIGHT
+#define CH_DEL                  KEY_DELETE
+#define CH_INS                  KEY_INSERT
+#define CH_ENTER                KEY_ENTER
+#define CH_STOP                 KEY_STOP
+#define CH_ESC                  KEY_ESC
+
+#define COLOR_BLACK             BLACK
+#define COLOR_WHITE             WHITE
+#define COLOR_RED               RED
+#define COLOR_CYAN              CYAN
+#define COLOR_VIOLET            PURPLE
+#define COLOR_PURPLE            PURPLE
+#define COLOR_GREEN             GREEN
+#define COLOR_BLUE              BLUE
+#define COLOR_YELLOW            YELLOW
+#define COLOR_ORANGE            ORANGE
+#define COLOR_BROWN             BROWN
+#define COLOR_LIGHTRED          LTRED
+#define COLOR_GRAY1             DKGREY
+#define COLOR_GRAY2             MEDGREY
+#define COLOR_LIGHTGREEN        LTGREEN
+#define COLOR_LIGHTBLUE         LTBLUE
+#define COLOR_GRAY3             LTGREY
+
+#define TGI_COLOR_BLACK         COLOR_BLACK
+#define TGI_COLOR_WHITE         COLOR_WHITE
+#define TGI_COLOR_RED           COLOR_RED
+#define TGI_COLOR_CYAN          COLOR_CYAN
+#define TGI_COLOR_VIOLET        COLOR_VIOLET
+#define TGI_COLOR_PURPLE        COLOR_PURPLE
+#define TGI_COLOR_GREEN         COLOR_GREEN
+#define TGI_COLOR_BLUE          COLOR_BLUE
+#define TGI_COLOR_YELLOW        COLOR_YELLOW
+#define TGI_COLOR_ORANGE        COLOR_ORANGE
+#define TGI_COLOR_BROWN         COLOR_BROWN
+#define TGI_COLOR_LIGHTRED      COLOR_LIGHTRED
+#define TGI_COLOR_GRAY1         COLOR_GRAY1
+#define TGI_COLOR_GRAY2         COLOR_GRAY2
+#define TGI_COLOR_LIGHTGREEN    COLOR_LIGHTGREEN
+#define TGI_COLOR_LIGHTBLUE     COLOR_LIGHTBLUE
+#define TGI_COLOR_GRAY3         COLOR_GRAY3
 
 
 /* End of geos.h */
diff --git a/include/geos/gconst.h b/include/geos/gconst.h
index 4847c3286..e70eb9304 100644
--- a/include/geos/gconst.h
+++ b/include/geos/gconst.h
@@ -9,59 +9,59 @@
 #ifndef _GCONST_H
 #define _GCONST_H
 
-#define	NULL		0
-#define	FALSE		NULL
-#define	TRUE		0xff
-#define	MOUSE_SPRNUM	0
-#define	DISK_DRV_LGH	0x0d80
+#define NULL            0
+#define FALSE           NULL
+#define TRUE            0xff
+#define MOUSE_SPRNUM    0
+#define DISK_DRV_LGH    0x0d80
 
 /* drivetypes */
-#define	DRV_NULL	0
-#define	DRV_1541	1
-#define	DRV_1571	2
-#define	DRV_1581	3
-#define	DRV_NETWORK	15
+#define DRV_NULL        0
+#define DRV_1541        1
+#define DRV_1571        2
+#define DRV_1581        3
+#define DRV_NETWORK     15
 
 /* various disk constants */
-#define	REL_FILE_NUM	9
-#define	CMND_FILE_NUM	15
-#define	MAX_CMND_STR	32
-#define	DIR_1581_TRACK	40
-#define	DIR_ACC_CHAN	13
-#define	DIR_TRACK	18
-#define	N_TRACKS	35
-#define	DK_NM_ID_LEN	18
-#define	TRACK		9
-#define	SECTOR		12
-#define	TOTAL_BLOCKS	664
+#define REL_FILE_NUM    9
+#define CMND_FILE_NUM   15
+#define MAX_CMND_STR    32
+#define DIR_1581_TRACK  40
+#define DIR_ACC_CHAN    13
+#define DIR_TRACK       18
+#define N_TRACKS        35
+#define DK_NM_ID_LEN    18
+#define TRACK           9
+#define SECTOR          12
+#define TOTAL_BLOCKS    664
 
 /* offset to something */
-#define	OFF_INDEX_PTR	1
+#define OFF_INDEX_PTR   1
 
 /* values for CPU_DATA memory config - C64 */
-#define	IO_IN		0x35
-#define	KRNL_IO_IN	0x36
-#define	KRNL_BAS_IO_IN	0x37
+#define IO_IN           0x35
+#define KRNL_IO_IN      0x36
+#define KRNL_BAS_IO_IN  0x37
 
 /* values for MMU config - C128 */
-#define	CIOIN		0x7E
-#define	CRAM64K		0x7F
-#define	CKRNLBASIOIN	0x40
-#define	CKRNLIOIN	0x4E
+#define CIOIN           0x7E
+#define CRAM64K         0x7F
+#define CKRNLBASIOIN    0x40
+#define CKRNLIOIN       0x4E
 
 /* alarmSetFlag */
-#define	ALARMMASK	4
+#define ALARMMASK       4
 
-#define	CLR_SAVE	0x40
-#define	CONSTRAINED	0x40
-#define	UN_CONSTRAINED	0
-#define	FG_SAVE		0x80
+#define CLR_SAVE        0x40
+#define CONSTRAINED     0x40
+#define UN_CONSTRAINED  0
+#define FG_SAVE         0x80
 
-#define	FUTURE1		7
-#define	FUTURE2		8
-#define	FUTURE3		9
-#define	FUTURE4		10
-#define	USELAST		127
-#define	SHORTCUT	128
+#define FUTURE1         7
+#define FUTURE2         8
+#define FUTURE3         9
+#define FUTURE4         10
+#define USELAST         127
+#define SHORTCUT        128
 
 #endif
diff --git a/include/geos/gdisk.h b/include/geos/gdisk.h
index ac6438117..f65d7d301 100644
--- a/include/geos/gdisk.h
+++ b/include/geos/gdisk.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GDISK_H
+#ifndef _GDISK_H
 #define _GDISK_H
 
 #ifndef _GSTRUCT_H
@@ -29,7 +29,7 @@ char OpenDisk(void);
 char __fastcall__ FindBAMBit(struct tr_se *myTrSe);
 char __fastcall__ BlkAlloc(struct tr_se output[], unsigned length);
 char __fastcall__ NxtBlkAlloc(struct tr_se *startTrSe,
-			      struct tr_se output[], unsigned length);
+                              struct tr_se output[], unsigned length);
 char __fastcall__ FreeBlock(struct tr_se *myTrSe);
 struct tr_se __fastcall__ SetNextFree(struct tr_se *myTrSe);
 // above needs (unsigned) casts on both sides of '='
@@ -44,38 +44,38 @@ void PurgeTurbo(void);
 
 char __fastcall__ ChangeDiskDevice(char newdev);
 
-/* disk header offsets i.e. index curDirHead with these	*/
-#define	OFF_TO_BAM	4
-#define	OFF_DISK_NAME	144
-#define	OFF_GS_DTYPE	189
-#define	OFF_OP_TR_SC	171
-#define	OFF_GS_ID	173
+/* disk header offsets i.e. index curDirHead with these */
+#define OFF_TO_BAM      4
+#define OFF_DISK_NAME   144
+#define OFF_GS_DTYPE    189
+#define OFF_OP_TR_SC    171
+#define OFF_GS_ID       173
 /* disk errors reported in _oserror */
-#define	ANY_FAULT	0xf0
-#define G_EOF		0
-#define	NO_BLOCKS	1
-#define	INV_TRACK	2
-#define	INSUFF_SPACE	3
-#define	FULL_DIRECTORY	4
-#define	FILE_NOT_FOUND	5
-#define	BAD_BAM		6
-#define	UNOPENED_VLIR	7
-#define	INV_RECORD	8
-#define	OUT_OF_RECORDS	9
-#define	STRUCT_MISMAT	10
-#define	BFR_OVERFLOW	11
-#define	CANCEL_ERR	12
-#define	DEV_NOT_FOUND	13
-#define	INCOMPATIBLE	14
-#define	HDR_NOT_THERE	0x20
-#define	NO_SYNC		0x21
-#define	DBLK_NOT_THERE	0x22
-#define	DAT_CHKSUM_ERR	0x23
-#define	WR_VER_ERR	0x25
-#define	WR_PR_ON	0x26
-#define	HDR_CHKSUM_ERR	0x27
-#define	DSK_ID_MISMAT	0x29
-#define	BYTE_DEC_ERR	0x2e
-#define	DOS_MISMATCH	0x73
+#define ANY_FAULT       0xf0
+#define G_EOF           0
+#define NO_BLOCKS       1
+#define INV_TRACK       2
+#define INSUFF_SPACE    3
+#define FULL_DIRECTORY  4
+#define FILE_NOT_FOUND  5
+#define BAD_BAM         6
+#define UNOPENED_VLIR   7
+#define INV_RECORD      8
+#define OUT_OF_RECORDS  9
+#define STRUCT_MISMAT   10
+#define BFR_OVERFLOW    11
+#define CANCEL_ERR      12
+#define DEV_NOT_FOUND   13
+#define INCOMPATIBLE    14
+#define HDR_NOT_THERE   0x20
+#define NO_SYNC         0x21
+#define DBLK_NOT_THERE  0x22
+#define DAT_CHKSUM_ERR  0x23
+#define WR_VER_ERR      0x25
+#define WR_PR_ON        0x26
+#define HDR_CHKSUM_ERR  0x27
+#define DSK_ID_MISMAT   0x29
+#define BYTE_DEC_ERR    0x2e
+#define DOS_MISMATCH    0x73
 
 #endif
diff --git a/include/geos/gdlgbox.h b/include/geos/gdlgbox.h
index b1433fea4..bca890383 100644
--- a/include/geos/gdlgbox.h
+++ b/include/geos/gdlgbox.h
@@ -4,22 +4,22 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GDLGBOX_H
+#ifndef _GDLGBOX_H
 #define _GDLGBOX_H
 
 char __fastcall__ DoDlgBox(const char *dboxstring);
 char RstrFrmDialogue(void);
 
 /* These are custom, predefined dialog boxes, I'm sure you'll find them usable
-   Most of them show 2 lines of text 						*/
+   Most of them show 2 lines of text */
 
 char __fastcall__ DlgBoxYesNo(const char *line1, const char *line2);
 char __fastcall__ DlgBoxOkCancel(const char *line1, const char *line2);
 void __fastcall__ DlgBoxOk(const char *line1, const char *line2);
 char __fastcall__ DlgBoxGetString(char *myString, char strLength,
-				  const char *line1, const char *line2);
+                                  const char *line1, const char *line2);
 char __fastcall__ DlgBoxFileSelect(const char *classtxt, char ftype,
-				   char *fname);
+                                   char *fname);
 
 /* This is a more general dialog box, works like printf in a window */
 char MessageBox(char mode, const char *format, ...);
@@ -40,8 +40,8 @@ typedef void dlgBoxStr;
 
 #define DB_DEFPOS(pattern) (char)(DEF_DB_POS | (pattern))
 #define DB_SETPOS(pattern,top,bot,left,right) \
-	(char)(SET_DB_POS | (pattern)), (char)(top), (char)(bot), \
-	(unsigned)(left), (unsigned)(right)
+        (char)(SET_DB_POS | (pattern)), (char)(top), (char)(bot), \
+        (unsigned)(left), (unsigned)(right)
 #define DB_ICON(i,x,y)  (char)(i), (char)(x), (char)(y)
 #define DB_TXTSTR(x,y,text) (char)DBTXTSTR, (char)(x), (char)(y), (text)
 #define DB_VARSTR(x,y,ptr) (char)DBVARSTR, (char)(x), (char)(y), (char)(ptr)
@@ -59,52 +59,52 @@ typedef void dlgBoxStr;
 */
 
 /* icons for DB_ICON */
-#define	OK		1
-#define	CANCEL		2
-#define	YES		3
-#define	NO		4
-#define	OPEN		5
-#define	DISK		6
+#define OK              1
+#define CANCEL          2
+#define YES             3
+#define NO              4
+#define OPEN            5
+#define DISK            6
 /* commands - internally used by command macros */
-#define	DBTXTSTR	11
-#define	DBVARSTR	12
-#define	DBGETSTRING	13
-#define	DBSYSOPV	14
-#define	DBGRPHSTR	15
-#define	DBGETFILES	16
-#define	DBOPVEC		17
-#define	DBUSRICON	18
-#define	DB_USR_ROUT	19
+#define DBTXTSTR        11
+#define DBVARSTR        12
+#define DBGETSTRING     13
+#define DBSYSOPV        14
+#define DBGRPHSTR       15
+#define DBGETFILES      16
+#define DBOPVEC         17
+#define DBUSRICON       18
+#define DB_USR_ROUT     19
 /* icons tabulation in standard window */
-#define	DBI_X_0		1
-#define	DBI_X_1		9
-#define	DBI_X_2		17
-#define	DBI_Y_0	  	8
-#define	DBI_Y_1		40
-#define	DBI_Y_2		72
+#define DBI_X_0         1
+#define DBI_X_1         9
+#define DBI_X_2         17
+#define DBI_Y_0         8
+#define DBI_Y_1         40
+#define DBI_Y_2         72
 /* standard window size defaults */
-#define	SET_DB_POS	0
-#define	DEF_DB_POS	0x80
-#define	DEF_DB_TOP	32
-#define	DEF_DB_BOT	127
-#define	DEF_DB_LEFT	64
-#define	DEF_DB_RIGHT	255
+#define SET_DB_POS      0
+#define DEF_DB_POS      0x80
+#define DEF_DB_TOP      32
+#define DEF_DB_BOT      127
+#define DEF_DB_LEFT     64
+#define DEF_DB_RIGHT    255
 /* text tabulation in standard window */
-#define	TXT_LN_1_Y	16
-#define	TXT_LN_2_Y	32
-#define	TXT_LN_3_Y	48
-#define	TXT_LN_4_Y	64
-#define	TXT_LN_5_Y	80
-#define	TXT_LN_X	16
+#define TXT_LN_1_Y      16
+#define TXT_LN_2_Y      32
+#define TXT_LN_3_Y      48
+#define TXT_LN_4_Y      64
+#define TXT_LN_5_Y      80
+#define TXT_LN_X        16
 /* system icons size */
-#define	SYSDBI_HEIGHT	16
-#define	SYSDBI_WIDTH	6
+#define SYSDBI_HEIGHT   16
+#define SYSDBI_WIDTH    6
 /* dialogbox string offsets */
-#define	OFF_DB_FORM	0
-#define	OFF_DB_TOP	1
-#define	OFF_DB_BOT	2
-#define	OFF_DB_LEFT	3
-#define	OFF_DB_RIGHT	5
-#define	OFF_DB_1STCMD	7
+#define OFF_DB_FORM     0
+#define OFF_DB_TOP      1
+#define OFF_DB_BOT      2
+#define OFF_DB_LEFT     3
+#define OFF_DB_RIGHT    5
+#define OFF_DB_1STCMD   7
 
 #endif
diff --git a/include/geos/gfile.h b/include/geos/gfile.h
index e574e4418..d7667d8ec 100644
--- a/include/geos/gfile.h
+++ b/include/geos/gfile.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GFILE_H
+#ifndef _GFILE_H
 #define _GFILE_H
 
 #ifndef _GSTRUCT_H
@@ -43,32 +43,32 @@ char __fastcall__ WriteRecord(const char *buffer, unsigned flength);
 char UpdateRecordFile(void);
 
 /* GEOS filetypes */
-#define	NOT_GEOS	0
-#define	BASIC		1
-#define	ASSEMBLY	2
-#define	DATA		3
-#define	SYSTEM		4
-#define	DESK_ACC	5
-#define	APPLICATION	6
-#define	APPL_DATA	7
-#define	FONT		8
-#define	PRINTER		9
-#define	INPUT_DEVICE	10
-#define	DISK_DEVICE	11
-#define	SYSTEM_BOOT	12
-#define	TEMPORARY	13
-#define	AUTO_EXEC	14
-#define	INPUT_128	15
-#define	NUMFILETYPES	16
+#define NOT_GEOS        0
+#define BASIC           1
+#define ASSEMBLY        2
+#define DATA            3
+#define SYSTEM          4
+#define DESK_ACC        5
+#define APPLICATION     6
+#define APPL_DATA       7
+#define FONT            8
+#define PRINTER         9
+#define INPUT_DEVICE    10
+#define DISK_DEVICE     11
+#define SYSTEM_BOOT     12
+#define TEMPORARY       13
+#define AUTO_EXEC       14
+#define INPUT_128       15
+#define NUMFILETYPES    16
 /* supported structures */
-#define	SEQUENTIAL	0
-#define	VLIR		1
+#define SEQUENTIAL      0
+#define VLIR            1
 /* DOS filetypes */
-#define	DEL		0
-#define	SEQ		1
-#define	PRG		2
-#define	USR		3
-#define	REL		4
-#define	CBM		5
+#define DEL             0
+#define SEQ             1
+#define PRG             2
+#define USR             3
+#define REL             4
+#define CBM             5
 
 #endif
diff --git a/include/geos/ggraph.h b/include/geos/ggraph.h
index 184ec4e1d..961ec2d80 100644
--- a/include/geos/ggraph.h
+++ b/include/geos/ggraph.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GGRAPH_H
+#ifndef _GGRAPH_H
 #define _GGRAPH_H
 
 #ifndef _GSTRUCT_H
@@ -40,125 +40,125 @@ void UseSystemFont(void);
 
 void __fastcall__ BitmapUp(struct iconpic *myIcon);
 void __fastcall__ BitmapClip(char skipl, char skipr, unsigned skiptop,
-			     struct iconpic *myIcon);
+                             struct iconpic *myIcon);
 void __fastcall__ BitOtherClip(void *proc1, void *proc2, char skipl,
-			       char skipr, unsigned skiptop,
-			       struct iconpic *myIcon);
+                               char skipr, unsigned skiptop,
+                               struct iconpic *myIcon);
 
 void __fastcall__ GraphicsString(char *myGfxString);
 
 /* VIC colour constants */
-#define	BLACK		0
-#define	WHITE		1
-#define	RED		2
-#define	CYAN		3
-#define	PURPLE		4
-#define	GREEN		5
-#define	BLUE		6
-#define	YELLOW		7
-#define	ORANGE		8
-#define	BROWN		9
-#define	LTRED		10
-#define	DKGREY		11
-#define	GREY		12
-#define	MEDGREY		12
-#define	LTGREEN		13
-#define	LTBLUE		14
-#define	LTGREY		15
+#define BLACK           0
+#define WHITE           1
+#define RED             2
+#define CYAN            3
+#define PURPLE          4
+#define GREEN           5
+#define BLUE            6
+#define YELLOW          7
+#define ORANGE          8
+#define BROWN           9
+#define LTRED           10
+#define DKGREY          11
+#define GREY            12
+#define MEDGREY         12
+#define LTGREEN         13
+#define LTBLUE          14
+#define LTGREY          15
 /* VIC memory banks - lowest 2 bits of cia2base+0 */
-#define	GRBANK0		3
-#define	GRBANK1		2
-#define	GRBANK2		1
-#define	GRBANK3		0
+#define GRBANK0         3
+#define GRBANK1         2
+#define GRBANK2         1
+#define GRBANK3         0
 /* VIC screen sizes */
-#define	VIC_X_POS_OFF	24
-#define	VIC_Y_POS_OFF	50
+#define VIC_X_POS_OFF   24
+#define VIC_Y_POS_OFF   50
 #ifdef __GEOS_CBM__
-#define	SC_BYTE_WIDTH	40
-#define	SC_PIX_HEIGHT	200
-#define	SC_PIX_WIDTH	320
-#define	SC_SIZE		8000
+#define SC_BYTE_WIDTH   40
+#define SC_PIX_HEIGHT   200
+#define SC_PIX_WIDTH    320
+#define SC_SIZE         8000
 #else
-#define	SC_BYTE_WIDTH	70
-#define	SC_PIX_HEIGHT	192
-#define	SC_PIX_WIDTH	560
-#define	SC_SIZE		13440
+#define SC_BYTE_WIDTH   70
+#define SC_PIX_HEIGHT   192
+#define SC_PIX_WIDTH    560
+#define SC_SIZE         13440
 #endif
-/* VDC screen constants	*/
-#define	SCREENBYTEWIDTH		80
-#define	SCREENPIXELWIDTH	640
+/* VDC screen constants */
+#define SCREENBYTEWIDTH         80
+#define SCREENPIXELWIDTH        640
 /* control characters for use as numbers, not characters */
-#define	BACKSPACE	8
-#define	FORWARDSPACE	9
-#define	TAB		9
-#define	LF		10
-#define	HOME		11
-#define	PAGE_BREAK	12
-#define	UPLINE		12
-#define	CR		13
-#define	ULINEON		14
-#define	ULINEOFF	15
-#define	ESC_GRAPHICS	16
-#define	ESC_RULER	17
-#define	REV_ON		18
-#define	REV_OFF		19
-#define	GOTOX		20
-#define	GOTOY		21
-#define	GOTOXY		22
-#define	NEWCARDSET	23
-#define	BOLDON		24
-#define	ITALICON	25
-#define	OUTLINEON	26
-#define	PLAINTEXT	27
+#define BACKSPACE       8
+#define FORWARDSPACE    9
+#define TAB             9
+#define LF              10
+#define HOME            11
+#define PAGE_BREAK      12
+#define UPLINE          12
+#define CR              13
+#define ULINEON         14
+#define ULINEOFF        15
+#define ESC_GRAPHICS    16
+#define ESC_RULER       17
+#define REV_ON          18
+#define REV_OFF         19
+#define GOTOX           20
+#define GOTOY           21
+#define GOTOXY          22
+#define NEWCARDSET      23
+#define BOLDON          24
+#define ITALICON        25
+#define OUTLINEON       26
+#define PLAINTEXT       27
 /* control characters for use in
    strings: eg: str[10]=CBOLDON "Hello"; */
-#define CCR		"\015"
-#define CULINEON	"\016"
-#define CULINEOFF	"\017"
-#define CREV_ON		"\022"
-#define CREV_OFF	"\023"
-#define CBOLDON		"\030"
-#define CITALICON	"\031"
-#define COUTLINEON	"\032"
-#define CPLAINTEXT	"\033"
-
-/*values of currentMode	*/
+#define CCR             "\015"
+#define CULINEON        "\016"
+#define CULINEOFF       "\017"
+#define CREV_ON         "\022"
+#define CREV_OFF        "\023"
+#define CBOLDON         "\030"
+#define CITALICON       "\031"
+#define COUTLINEON      "\032"
+#define CPLAINTEXT      "\033"
+
+/*values of currentMode */
 /* bitNumbers */
-#define	UNDERLINE_BIT	7
-#define	BOLD_BIT	6
-#define	REVERSE_BIT	5
-#define	ITALIC_BIT	4
-#define	OUTLINE_BIT	3
-#define	SUPERSCRIPT_BIT	2
-#define	SUBSCRIPT_BIT	1
+#define UNDERLINE_BIT   7
+#define BOLD_BIT        6
+#define REVERSE_BIT     5
+#define ITALIC_BIT      4
+#define OUTLINE_BIT     3
+#define SUPERSCRIPT_BIT 2
+#define SUBSCRIPT_BIT   1
 /* bitMasks */
-#define	SET_UNDERLINE	0x80
-#define	SET_BOLD	0x40
-#define	SET_REVERSE	0x20
-#define	SET_ITALIC	0x10
-#define	SET_OUTLINE	0x08
-#define	SET_SUPERSCRIPT	0x04
-#define	SET_SUBSCRIPT	0x02
-#define	SET_PLAINTEXT	0
+#define SET_UNDERLINE   0x80
+#define SET_BOLD        0x40
+#define SET_REVERSE     0x20
+#define SET_ITALIC      0x10
+#define SET_OUTLINE     0x08
+#define SET_SUPERSCRIPT 0x04
+#define SET_SUBSCRIPT   0x02
+#define SET_PLAINTEXT   0
 /* values of dispBufferOn */
-#define	ST_WRGS_FORE	0x20
-#define	ST_WR_BACK	0x40
-#define	ST_WR_FORE	0x80
+#define ST_WRGS_FORE    0x20
+#define ST_WR_BACK      0x40
+#define ST_WR_FORE      0x80
 /* PutDecimal parameters */
 /* leading zeros? */
-#define	SET_NOSURPRESS	0
-#define	SET_SURPRESS	0x40
+#define SET_NOSURPRESS  0
+#define SET_SURPRESS    0x40
 /* justification */
-#define	SET_RIGHTJUST	0
-#define	SET_LEFTJUST	0x80
+#define SET_RIGHTJUST   0
+#define SET_LEFTJUST    0x80
 /* C128 x-extension flags */
-#define	ADD1_W		0x2000
-#define	DOUBLE_B	0x80
-#define	DOUBLE_W	0x8000
+#define ADD1_W          0x2000
+#define DOUBLE_B        0x80
+#define DOUBLE_W        0x8000
 /* DrawLine/DrawPoint mode values */
-#define DRAW_ERASE	0x00
-#define DRAW_DRAW	0x40
-#define DRAW_COPY	0x80
+#define DRAW_ERASE      0x00
+#define DRAW_DRAW       0x40
+#define DRAW_COPY       0x80
 
 typedef void graphicStr;
 
diff --git a/include/geos/gmemory.h b/include/geos/gmemory.h
index 87be6c1e8..3fba5cb5b 100644
--- a/include/geos/gmemory.h
+++ b/include/geos/gmemory.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GMEMORY_H
+#ifndef _GMEMORY_H
 #define _GMEMORY_H
 
 #ifndef _GSTRUCT_H
diff --git a/include/geos/gmenu.h b/include/geos/gmenu.h
index b579aef5b..3175b6cf3 100644
--- a/include/geos/gmenu.h
+++ b/include/geos/gmenu.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GMENU_H
+#ifndef _GMENU_H
 #define _GMENU_H
 
 #ifndef _GSTRUCT_H
@@ -21,35 +21,35 @@ void GotoFirstMenu(void);
 void __fastcall__ DoIcons(struct icontab *myIconTab);
 
 /* DoMenu - menutypes */
-#define	MENU_ACTION	0x00
-#define	DYN_SUB_MENU	0x40
-#define	SUB_MENU	0x80
-#define	HORIZONTAL	0x00
-#define	VERTICAL	0x80
+#define MENU_ACTION     0x00
+#define DYN_SUB_MENU    0x40
+#define SUB_MENU        0x80
+#define HORIZONTAL      0x00
+#define VERTICAL        0x80
 /* menu string offsets */
-#define	OFF_MY_TOP	0
-#define	OFF_MY_BOT	1
-#define	OFF_MX_LEFT	2
-#define	OFF_MX_RIGHT	4
-#define	OFF_NUM_M_ITEMS	6
-#define	OFF_1ST_M_ITEM	7
+#define OFF_MY_TOP      0
+#define OFF_MY_BOT      1
+#define OFF_MX_LEFT     2
+#define OFF_MX_RIGHT    4
+#define OFF_NUM_M_ITEMS 6
+#define OFF_1ST_M_ITEM  7
 /* icon string offsets */
-#define	OFF_NM_ICNS	0
-#define	OFF_IC_XMOUSE	1
-#define	OFF_IC_YMOUSE	3
-#define	OFF_PIC_ICON	0
-#define	OFF_X_ICON_POS	2
-#define	OFF_Y_ICON_POS	3
-#define	OFF_WDTH_ICON	4
-#define	OFF_HEIGHT_ICON	5
-#define	OFF_SRV_RT_ICON	6
-#define	OFF_NX_ICON	8
-/* icons, menus status flags	*/
-#define	ST_FLASH	0x80
-#define	ST_INVERT	0x40
-#define	ST_LD_AT_ADDR	0x01
-#define	ST_LD_DATA	0x80
-#define	ST_PR_DATA	0x40
-#define	ST_WR_PR	0x40
+#define OFF_NM_ICNS     0
+#define OFF_IC_XMOUSE   1
+#define OFF_IC_YMOUSE   3
+#define OFF_PIC_ICON    0
+#define OFF_X_ICON_POS  2
+#define OFF_Y_ICON_POS  3
+#define OFF_WDTH_ICON   4
+#define OFF_HEIGHT_ICON 5
+#define OFF_SRV_RT_ICON 6
+#define OFF_NX_ICON     8
+/* icons, menus status flags    */
+#define ST_FLASH        0x80
+#define ST_INVERT       0x40
+#define ST_LD_AT_ADDR   0x01
+#define ST_LD_DATA      0x80
+#define ST_PR_DATA      0x40
+#define ST_WR_PR        0x40
 
 #endif
diff --git a/include/geos/gprocess.h b/include/geos/gprocess.h
index d784a2cc6..6fab2ecfa 100644
--- a/include/geos/gprocess.h
+++ b/include/geos/gprocess.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GPROCESS_H
+#ifndef _GPROCESS_H
 #define _GPROCESS_H
 
 #ifndef _GSTRUCT_H
diff --git a/include/geos/gsprite.h b/include/geos/gsprite.h
index 470cfb27b..9679e9f59 100644
--- a/include/geos/gsprite.h
+++ b/include/geos/gsprite.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GSPRITE_H
+#ifndef _GSPRITE_H
 #define _GSPRITE_H
 
 void StartMouseMode(void);
@@ -24,73 +24,73 @@ void PromptOff(void);
 char GetNextChar(void);
 
 /* keyboard constants */
-#define	KEY_F1		1
-#define	KEY_F2	  	2
-#define	KEY_F3		3
-#define	KEY_F4		4
-#define	KEY_F5		5
-#define	KEY_F6		6
-#define	KEY_NOSCRL	7
-#define	KEY_ENTER	13
-#define	KEY_F7		14
-#define	KEY_F8		15
-#define	KEY_HOME	18
-#define	KEY_CLEAR	19
-#define	KEY_LARROW	20
-#define	KEY_UPARROW	21
-#define	KEY_STOP	22
-#define	KEY_RUN		23
-#define	KEY_BPS		24
-#define	KEY_HELP	25
-#define	KEY_ALT		26
-#define	KEY_ESC	  	27
-#define	KEY_INSERT	28
-#define	KEY_INVALID	31
-#define	KEY_LEFT	BACKSPACE
+#define KEY_F1          1
+#define KEY_F2          2
+#define KEY_F3          3
+#define KEY_F4          4
+#define KEY_F5          5
+#define KEY_F6          6
+#define KEY_NOSCRL      7
+#define KEY_ENTER       13
+#define KEY_F7          14
+#define KEY_F8          15
+#define KEY_HOME        18
+#define KEY_CLEAR       19
+#define KEY_LARROW      20
+#define KEY_UPARROW     21
+#define KEY_STOP        22
+#define KEY_RUN         23
+#define KEY_BPS         24
+#define KEY_HELP        25
+#define KEY_ALT         26
+#define KEY_ESC         27
+#define KEY_INSERT      28
+#define KEY_INVALID     31
+#define KEY_LEFT        BACKSPACE
 #ifdef __GEOS_CBM__
-#define	KEY_UP		16
-#define	KEY_DOWN	17
-#define	KEY_DELETE	29
-#define	KEY_RIGHT	30
+#define KEY_UP          16
+#define KEY_DOWN        17
+#define KEY_DELETE      29
+#define KEY_RIGHT       30
 #else
-#define	KEY_UP		11
-#define	KEY_DOWN	10
-#define	KEY_DELETE     127
-#define	KEY_RIGHT	21
+#define KEY_UP          11
+#define KEY_DOWN        10
+#define KEY_DELETE     127
+#define KEY_RIGHT       21
 #endif
 
 /* values of faultData - pointer position vs. mouseWindow */
 /* bit numbers */
-#define	OFFTOP_BIT	7
-#define	OFFBOTTOM_BIT	6
-#define	OFFLEFT_BIT	5
-#define	OFFRIGHT_BIT	4
-#define	OFFMENU_BIT	3
+#define OFFTOP_BIT      7
+#define OFFBOTTOM_BIT   6
+#define OFFLEFT_BIT     5
+#define OFFRIGHT_BIT    4
+#define OFFMENU_BIT     3
 /* bit masks */
-#define	SET_OFFTOP	0x80
-#define	SET_OFFBOTTOM	0x40
-#define	SET_OFFLEFT	0x20
-#define	SET_OFFRIGHT	0x10
-#define	SET_OFFMENU	0x08
+#define SET_OFFTOP      0x80
+#define SET_OFFBOTTOM   0x40
+#define SET_OFFLEFT     0x20
+#define SET_OFFRIGHT    0x10
+#define SET_OFFMENU     0x08
 
 /* mouseOn */
 /* bit numbers */
-#define	MOUSEON_BIT	7
-#define	MENUON_BIT	6
-#define	ICONSON_BIT	5
+#define MOUSEON_BIT     7
+#define MENUON_BIT      6
+#define ICONSON_BIT     5
 /* bit masks */
-#define	SET_MSE_ON	0x80
-#define	SET_MENUON	0x40
-#define	SET_ICONSON	0x20
+#define SET_MSE_ON      0x80
+#define SET_MENUON      0x40
+#define SET_ICONSON     0x20
 
 /* pressFlag */
 /* bit numbers */
-#define	KEYPRESS_BIT	7
-#define	INPUT_BIT	6
-#define	MOUSE_BIT	5
+#define KEYPRESS_BIT    7
+#define INPUT_BIT       6
+#define MOUSE_BIT       5
 /* bit masks */
-#define	SET_KEYPRESS	0x80
-#define	SET_INPUTCHG	0x40
-#define	SET_MOUSE	0x20
-		  
+#define SET_KEYPRESS    0x80
+#define SET_INPUTCHG    0x40
+#define SET_MOUSE       0x20
+
 #endif
diff --git a/include/geos/gstruct.h b/include/geos/gstruct.h
index ecb2e7714..9e5f0ddda 100644
--- a/include/geos/gstruct.h
+++ b/include/geos/gstruct.h
@@ -18,157 +18,157 @@
 
 typedef void (*void_func) (void);
 
-struct s_date {			/* system date & time */
-	char s_year;
-	char s_month;
-	char s_day;
-	char s_hour;
-	char s_minutes;
-	char s_seconds;
-};
-
-struct tr_se {			/* track and sector */
-	char track;
-	char sector;
-};
-
-struct fileheader {		/* header block (like fileHeader) */
-	struct tr_se n_block;
-	char icon_desc[3];
-	char icon_pic[63];
-	char dostype;
-	char type;
-	char structure;
-	unsigned load_address;
-	unsigned end_address;
-	unsigned exec_address;
-	char class_name[19];
-	char column_flag;
-	char author[63];
-	char note[96];
+struct s_date {                 /* system date & time */
+        char s_year;
+        char s_month;
+        char s_day;
+        char s_hour;
+        char s_minutes;
+        char s_seconds;
+};
+
+struct tr_se {                  /* track and sector */
+        char track;
+        char sector;
+};
+
+struct fileheader {             /* header block (like fileHeader) */
+        struct tr_se n_block;
+        char icon_desc[3];
+        char icon_pic[63];
+        char dostype;
+        char type;
+        char structure;
+        unsigned load_address;
+        unsigned end_address;
+        unsigned exec_address;
+        char class_name[19];
+        char column_flag;
+        char author[63];
+        char note[96];
 };
 
 #ifdef __GEOS_CBM__
 
-struct f_date {			/* date in filedesctiptor */
-	char f_year;
-	char f_month;
-	char f_day;
-	char f_hour;
-	char f_minute;
+struct f_date {                 /* date in filedesctiptor */
+        char f_year;
+        char f_month;
+        char f_day;
+        char f_hour;
+        char f_minute;
 };
 
-struct filehandle {		/* filehandle in directory sectors */
-	char dostype;		/* or in dirEntryBuf               */
-	struct tr_se n_block;
-	char name[16];
-	struct tr_se header;
-	char structure;
-	char type;
-	struct f_date date;
-	unsigned size;
+struct filehandle {             /* filehandle in directory sectors */
+        char dostype;           /* or in dirEntryBuf               */
+        struct tr_se n_block;
+        char name[16];
+        struct tr_se header;
+        char structure;
+        char type;
+        struct f_date date;
+        unsigned size;
 };
 
 #else /* #ifdef __GEOS_CBM__ */
 
-struct f_date {			/* date in filedesctiptor */
-	unsigned f_day:5;
-	unsigned f_month:4;
-	unsigned f_year:7;
-	char f_minute;
-	char f_hour;
-};
-
-struct filehandle {		/* filehandle in directory sectors */
-	unsigned name_len:4;	/* or in dirEntryBuf               */
-	unsigned structure:4;
-	char name[15];
-	char type;
-	struct tr_se n_block;
-	unsigned size;
-	char byte_size[3];
-	struct f_date date;
-	char version;
-	char min_version;
-	char access;
-	struct tr_se header;
-	struct f_date mod_date;
-	struct tr_se dir_head;
+struct f_date {                 /* date in filedesctiptor */
+        unsigned f_day:5;
+        unsigned f_month:4;
+        unsigned f_year:7;
+        char f_minute;
+        char f_hour;
+};
+
+struct filehandle {             /* filehandle in directory sectors */
+        unsigned name_len:4;    /* or in dirEntryBuf               */
+        unsigned structure:4;
+        char name[15];
+        char type;
+        struct tr_se n_block;
+        unsigned size;
+        char byte_size[3];
+        struct f_date date;
+        char version;
+        char min_version;
+        char access;
+        struct tr_se header;
+        struct f_date mod_date;
+        struct tr_se dir_head;
 };
 
 #endif /* #ifdef __GEOS_CBM__ */
 
-struct pixel {			/* describes point              */
-	unsigned x;
-	char y;
+struct pixel {                  /* describes point              */
+        unsigned x;
+        char y;
 };
 
-struct fontdesc {		/* describes font               */
-	char baseline;
-	char width;
-	char height;
-	char *index_tbl;
-	char *data_ptr;
+struct fontdesc {               /* describes font               */
+        char baseline;
+        char width;
+        char height;
+        char *index_tbl;
+        char *data_ptr;
 };
 
-struct window {			/* describes screen region      */
-	char top;
-	char bot;
-	unsigned left;
-	unsigned right;
+struct window {                 /* describes screen region      */
+        char top;
+        char bot;
+        unsigned left;
+        unsigned right;
 };
 
-struct VLIR_info {		/* VLIR information             */
-	char curRecord;		/* currently only used in VLIR  */
-	char usedRecords;	/* as system info (curRecord is mainly of your interest */
-	char fileWritten;
-	unsigned fileSize;
+struct VLIR_info {              /* VLIR information             */
+        char curRecord;         /* currently only used in VLIR  */
+        char usedRecords;       /* as system info (curRecord is mainly of your interest */
+        char fileWritten;
+        unsigned fileSize;
 };
 
-struct process {		/* process info, declare table of that type */
-	unsigned pointer;	/* (like: struct process proctab[2]=...    */
-	unsigned jiffies;	/* last entry HAVE TO BE {0,0}              */
+struct process {                /* process info, declare table of that type */
+        unsigned pointer;       /* (like: struct process proctab[2]=...    */
+        unsigned jiffies;       /* last entry HAVE TO BE {0,0}              */
 };
 
-struct iconpic {		/* icon/encoded bitmap description          */
-	char *pic_ptr;		/* ptr to a photo scrap (or encoded bitmap) */
-	char x;			/* position in cards (*8 pixels)            */
-	char y;
-	char width;		/* in cards                                 */
-	char heigth;		/* in lines (pixels)                        */
+struct iconpic {                /* icon/encoded bitmap description          */
+        char *pic_ptr;          /* ptr to a photo scrap (or encoded bitmap) */
+        char x;                 /* position in cards (*8 pixels)            */
+        char y;
+        char width;             /* in cards                                 */
+        char heigth;            /* in lines (pixels)                        */
 };
 
-struct icondef {		/* icon definition for DoIcons              */
-	char *pic_ptr;		/* ptr to a photo scrap (or encoded bitmap) */
-	char x;			/* position in cards (*8 pixels)            */
-	char y;
-	char width;		/* of icon (in cards)                       */
-	char heigth;		/* of icon in lines (pixels)                */
-	unsigned proc_ptr;	/* pointer to function handling that icon   */
+struct icondef {                /* icon definition for DoIcons              */
+        char *pic_ptr;          /* ptr to a photo scrap (or encoded bitmap) */
+        char x;                 /* position in cards (*8 pixels)            */
+        char y;
+        char width;             /* of icon (in cards)                       */
+        char heigth;            /* of icon in lines (pixels)                */
+        unsigned proc_ptr;      /* pointer to function handling that icon   */
 };
 
 struct icontab {
-	char number;		/* number of declared icons                 */
-	struct pixel mousepos;	/* position of mouse after DoIcons          */
-	struct icondef tab[];	/* table of size declared by icontab.number */
+        char number;            /* number of declared icons                 */
+        struct pixel mousepos;  /* position of mouse after DoIcons          */
+        struct icondef tab[];   /* table of size declared by icontab.number */
 };
 
 struct menuitem {
-	char *name;
-	char type;
-	void *rest;		/* may be ptr to function, or ptr to struct menu (submenu) */
+        char *name;
+        char type;
+        void *rest;             /* may be ptr to function, or ptr to struct menu (submenu) */
 };
 
 struct menu {
-	struct window size;
-	char number;
-	struct menuitem items[];
+        struct window size;
+        char number;
+        struct menuitem items[];
 };
 
-struct inittab {		/* use struct inittab mytab[n] for initram              */
-	unsigned ptr;		/* ptr to 1st byte                                      */
-	char number;		/* number of following bytes                            */
-	char values[];		/* actual string of bytes                               */
+struct inittab {                /* use struct inittab mytab[n] for initram              */
+        unsigned ptr;           /* ptr to 1st byte                                      */
+        char number;            /* number of following bytes                            */
+        char values[];          /* actual string of bytes                               */
 };
 
 #endif
diff --git a/include/geos/gsym.h b/include/geos/gsym.h
index 13a29f9da..085046674 100644
--- a/include/geos/gsym.h
+++ b/include/geos/gsym.h
@@ -11,331 +11,331 @@
 #include 
 #endif
 
-#define	r0		(*(unsigned*)(R_BASE + 0x00))
-#define	r0L		(*(char*)(R_BASE + 0x00))
-#define	r0H		(*(char*)(R_BASE + 0x01))
-#define	r1		(*(unsigned*)(R_BASE + 0x02))
-#define	r1L		(*(char*)(R_BASE + 0x02))
-#define	r1H		(*(char*)(R_BASE + 0x03))
-#define drawWindow	(*(struct window*)(R_BASE + 0x04))
-#define	r2		(*(unsigned*)(R_BASE + 0x04))
-#define	r2L		(*(char*)(R_BASE + 0x04))
-#define	r2H		(*(char*)(R_BASE + 0x05))
-#define	r3		(*(unsigned*)(R_BASE + 0x06))
-#define	r3L		(*(char*)(R_BASE + 0x06))
-#define	r3H		(*(char*)(R_BASE + 0x07))
-#define	r4		(*(unsigned*)(R_BASE + 0x08))
-#define	r4L		(*(char*)(R_BASE + 0x08))
-#define	r4H		(*(char*)(R_BASE + 0x09))
-#define	r5		(*(unsigned*)(R_BASE + 0x0a))
-#define	r5L		(*(char*)(R_BASE + 0x0a))
-#define	r5H		(*(char*)(R_BASE + 0x0b))
-#define	r6		(*(unsigned*)(R_BASE + 0x0c))
-#define	r6L		(*(char*)(R_BASE + 0x0c))
-#define	r6H		(*(char*)(R_BASE + 0x0d))
-#define	r7		(*(unsigned*)(R_BASE + 0x0e))
-#define	r7L		(*(char*)(R_BASE + 0x0e))
-#define	r7H		(*(char*)(R_BASE + 0x0f))
-#define	r8		(*(unsigned*)(R_BASE + 0x10))
-#define	r8L		(*(char*)(R_BASE + 0x10))
-#define	r8H		(*(char*)(R_BASE + 0x11))
-#define	r9		(*(unsigned*)(R_BASE + 0x12))
-#define	r9L		(*(char*)(R_BASE + 0x12))
-#define	r9H		(*(char*)(R_BASE + 0x13))
-#define	r10		(*(unsigned*)(R_BASE + 0x14))
-#define	r10L		(*(char*)(R_BASE + 0x14))
-#define	r10H		(*(char*)(R_BASE + 0x15))
-#define	r11		(*(unsigned*)(R_BASE + 0x16))
-#define	r11L		(*(char*)(R_BASE + 0x16))
-#define	r11H		(*(char*)(R_BASE + 0x17))
-#define	r12		(*(unsigned*)(R_BASE + 0x18))
-#define	r12L		(*(char*)(R_BASE + 0x18))
-#define	r12H		(*(char*)(R_BASE + 0x19))
-#define	r13		(*(unsigned*)(R_BASE + 0x1a))
-#define	r13L		(*(char*)(R_BASE + 0x1a))
-#define	r13H		(*(char*)(R_BASE + 0x1b))
-#define	r14		(*(unsigned*)(R_BASE + 0x1c))
-#define	r14L		(*(char*)(R_BASE + 0x1c))
-#define	r14H		(*(char*)(R_BASE + 0x1d))
-#define	r15		(*(unsigned*)(R_BASE + 0x1e))
-#define	r15L		(*(char*)(R_BASE + 0x1e))
-#define	r15H		(*(char*)(R_BASE + 0x1f))
+#define r0              (*(unsigned*)(R_BASE + 0x00))
+#define r0L             (*(char*)(R_BASE + 0x00))
+#define r0H             (*(char*)(R_BASE + 0x01))
+#define r1              (*(unsigned*)(R_BASE + 0x02))
+#define r1L             (*(char*)(R_BASE + 0x02))
+#define r1H             (*(char*)(R_BASE + 0x03))
+#define drawWindow      (*(struct window*)(R_BASE + 0x04))
+#define r2              (*(unsigned*)(R_BASE + 0x04))
+#define r2L             (*(char*)(R_BASE + 0x04))
+#define r2H             (*(char*)(R_BASE + 0x05))
+#define r3              (*(unsigned*)(R_BASE + 0x06))
+#define r3L             (*(char*)(R_BASE + 0x06))
+#define r3H             (*(char*)(R_BASE + 0x07))
+#define r4              (*(unsigned*)(R_BASE + 0x08))
+#define r4L             (*(char*)(R_BASE + 0x08))
+#define r4H             (*(char*)(R_BASE + 0x09))
+#define r5              (*(unsigned*)(R_BASE + 0x0a))
+#define r5L             (*(char*)(R_BASE + 0x0a))
+#define r5H             (*(char*)(R_BASE + 0x0b))
+#define r6              (*(unsigned*)(R_BASE + 0x0c))
+#define r6L             (*(char*)(R_BASE + 0x0c))
+#define r6H             (*(char*)(R_BASE + 0x0d))
+#define r7              (*(unsigned*)(R_BASE + 0x0e))
+#define r7L             (*(char*)(R_BASE + 0x0e))
+#define r7H             (*(char*)(R_BASE + 0x0f))
+#define r8              (*(unsigned*)(R_BASE + 0x10))
+#define r8L             (*(char*)(R_BASE + 0x10))
+#define r8H             (*(char*)(R_BASE + 0x11))
+#define r9              (*(unsigned*)(R_BASE + 0x12))
+#define r9L             (*(char*)(R_BASE + 0x12))
+#define r9H             (*(char*)(R_BASE + 0x13))
+#define r10             (*(unsigned*)(R_BASE + 0x14))
+#define r10L            (*(char*)(R_BASE + 0x14))
+#define r10H            (*(char*)(R_BASE + 0x15))
+#define r11             (*(unsigned*)(R_BASE + 0x16))
+#define r11L            (*(char*)(R_BASE + 0x16))
+#define r11H            (*(char*)(R_BASE + 0x17))
+#define r12             (*(unsigned*)(R_BASE + 0x18))
+#define r12L            (*(char*)(R_BASE + 0x18))
+#define r12H            (*(char*)(R_BASE + 0x19))
+#define r13             (*(unsigned*)(R_BASE + 0x1a))
+#define r13L            (*(char*)(R_BASE + 0x1a))
+#define r13H            (*(char*)(R_BASE + 0x1b))
+#define r14             (*(unsigned*)(R_BASE + 0x1c))
+#define r14L            (*(char*)(R_BASE + 0x1c))
+#define r14H            (*(char*)(R_BASE + 0x1d))
+#define r15             (*(unsigned*)(R_BASE + 0x1e))
+#define r15L            (*(char*)(R_BASE + 0x1e))
+#define r15H            (*(char*)(R_BASE + 0x1f))
 
 #ifdef __GEOS_CBM__
 
-#define nameBuf		char[17]
-#define blockBuf	char[256]
-
-#define	CPU_DDR		(*(char*)0x00)
-#define	CPU_DATA	(*(char*)0x01)
-
-#define R_BASE		0x02
-
-#define	curPattern	(*(unsigned*)0x22)
-#define	string		(*(unsigned*)0x24)
-#define curFontDesc	(*(struct fontdesc*)0x26)
-#define	currentMode	(*(char*)0x2e)
-#define	dispBufferOn	(*(char*)0x2f)
-#define	mouseOn		(*(char*)0x30)
-#define	msePicPtr	(*(unsigned*)0x31)
-#define curWindow	(*(struct window*)0x33)
-#define	pressFlag	(*(char*)0x39)
-#define mousePos	(*(struct pixel*)0x3a)
-#define	returnAddress	(*(unsigned*)0x3d)
-#define	graphMode	(*(char*)0x3f)
-#define	STATUS		(*(char*)0x90)
-#define	curDevice	(*(char*)0xba)
-
-#define	irqvec		(*(void_func*)0x0314)
-#define	bkvec		(*(void_func*)0x0316)
-#define	nmivec		(*(void_func*)0x0318)
-
-#define	APP_RAM		((char*)0x0400)
-#define	BACK_SCR_BASE	((char*)0x6000)
-#define	PRINTBASE	((char*)0x7900)
-#define	OS_VARS		((char*)0x8000)
-
-#define	diskBlkBuf	((blockBuf)0x8000)
-#define fileHeader	(*(struct fileheader*)0x8100)
-#define curDirHead	((blockBuf)0x8200)
-#define fileTrScTab	((struct tr_se[128])0x8300)
-#define dirEntryBuf	(*(struct filehandle*)0x8400)
-
-#define DrACurDkNm	((nameBuf)0x841e)
-#define DrBCurDkNm	((nameBuf)0x8430)
-#define dataFileName	((nameBuf)0x8442)
-#define dataDiskName	((nameBuf)0x8453)
-#define PrntFileName	((nameBuf)0x8465)
-#define PrntDiskName	((nameBuf)0x8476)
-
-#define	curDrive	(*(char*)0x8489)
-#define	diskOpenFlg	(*(char*)0x848a)
-#define	isGEOS		(*(char*)0x848b)
-#define	interleave	(*(char*)0x848c)
-#define	NUMDRV		(*(char*)0x848d)
-
-#define driveType	((char[4])0x848e)
-#define turboFlags	((char[4])0x8492)
-
-#define	VLIRInfo	(*(struct VLIR_info*)0x8496)
-
-#define appMain		(*(void_func*)0x849b)
-#define intTopVector	(*(void_func*)0x849d)
-#define intBotVector	(*(void_func*)0x849f)
-#define mouseVector	(*(void_func*)0x84a1)
-#define keyVector	(*(void_func*)0x84a3)
-#define	inputVector	(*(void_func*)0x84a5)
-#define	mouseFaultVec	(*(void_func*)0x84a7)
-#define	otherPressVec	(*(void_func*)0x84a9)
-#define	StringFaultVec	(*(void_func*)0x84ab)
-#define	alarmTmtVector	(*(void_func*)0x84ad)
-#define	BRKVector	(*(void_func*)0x84af)
-#define	RecoverVector	(*(void_func*)0x84b1)
-
-#define	selectionFlash	(*(char*)0x84b3)
-#define	alphaFlag	(*(char*)0x84b4)
-#define	iconSelFlg	(*(char*)0x84b5)
-#define	faultData	(*(char*)0x84b6)
-#define	menuNumber	(*(char*)0x84b7)
-#define mouseWindow	(*(struct window*)0x84b8)
-#define stringXY	(*(struct pixel*)0x84be)
-#define	mousePicData	(*(char*)0x84c1)
-
-#define	maxMouseSpeed	(*(char*)0x8501)
-#define	minMouseSpeed	(*(char*)0x8502)
-#define	mouseAccel	(*(char*)0x8503)
-#define	keyData		(*(char*)0x8504)
-#define	mouseData	(*(char*)0x8505)
-#define	inputData	(*(char*)0x8506)
-#define	mouseSpeed	(*(char*)0x8507)
-#define	random		(*(char*)0x850a)
-#define	saveFontTab	(*(struct fontdesc*)0x850c)
-
-#define	dblClickCount	(*(char*)0x8515)
-#define system_date	(*(struct s_date*)0x8516)
-#define	alarmSetFlag	(*(char*)0x851c)
-#define	sysDBData	(*(char*)0x851d)
-#define	screencolors	(*(char*)0x851e)
-#define	dlgBoxRamBuf	(*(char*)0x851f)
-
-#define	savedmoby2	(*(char*)0x88bb)
-#define	scr80polar	(*(char*)0x88bc)
-#define	scr80colors	(*(char*)0x88bd)
-#define	vdcClrMode	(*(char*)0x88be)
-#define	driveData	((char[4])0x88bf)
-#define	ramExpSize	(*(char*)0x88c3)
-#define	sysRAMFlg	(*(char*)0x88c4)
-#define	firstBoot	(*(char*)0x88c5)
-#define	curType		(*(char*)0x88c6)
-#define	ramBase		(*(char*)0x88c7)
-#define inputDevName	((nameBuf)0x88cb)
-#define	DrCCurDkNm	((nameBuf)0x88dc)
-#define	DrDCurDkNm	((nameBuf)0x88ee)
-#define	dir2Head	((blockBuf)0x8900)
-#define	SPRITE_PICS	((char*)0x8a00)
-#define sprpic		((char[8][64])0x8a00)
-#define COLOR_MATRIX	((char[1000])0x8c00)
-#define objPointer	((char[8])0x8ff8)
-
-#define	DISK_BASE	((char*)0x9000)
-#define	SCREEN_BASE	((char*)0xa000)
-#define	OS_ROM		((char*)0xc000)
-#define	OS_JUMPTAB	((char*)0xc100)
-#define	EXP_BASE	((char*)0xdf00)
-#define	MOUSE_BASE_128	((char*)0xfd00)
-#define	MOUSE_JMP_128	((char*)0xfd00)
-#define	END_MOUSE_128	((char*)0xfe80)
-#define	MOUSE_BASE	((char*)0xfe80)
-#define	MOUSE_JMP	((char*)0xfe80)
-
-#define	config		(*(char*)0xff00)
-#define	END_MOUSE	((char*)0xfffa)
-
-#define	NMI_VECTOR	(*(void_func*)0xfffa)
-#define	RESET_VECTOR	(*(void_func*)0xfffc)
-#define	IRQ_VECTOR	(*(void_func*)0xfffe)
-
-#define	vicbase		((char*)0xd000)
-#define	sidbase		((char*)0xd400)
-#define	mmu		((char*)0xd500)
-#define	VDC		((char*)0xd600)
-#define	ctab		((char*)0xd800)
-#define	cia1base	((char*)0xdc00)
-#define	cia2base	((char*)0xdd00)
-
-#define	mob0xpos	(*(char*)0xd000)
-#define	mob0ypos	(*(char*)0xd001)
-#define	mob1xpos	(*(char*)0xd002)
-#define	mob1ypos	(*(char*)0xd003)
-#define	mob2xpos	(*(char*)0xd004)
-#define	mob2ypos	(*(char*)0xd005)
-#define	mob3xpos	(*(char*)0xd006)
-#define	mob3ypos	(*(char*)0xd007)
-#define	mob4xpos	(*(char*)0xd008)
-#define	mob4ypos	(*(char*)0xd009)
-#define	mob5xpos	(*(char*)0xd00a)
-#define	mob5ypos	(*(char*)0xd00b)
-#define	mob6xpos	(*(char*)0xd00c)
-#define	mob6ypos	(*(char*)0xd00d)
-#define	mob7xpos	(*(char*)0xd00e)
-#define	mob7ypos	(*(char*)0xd00f)
-#define	msbxpos		(*(char*)0xd010)
-#define	grcntrl1	(*(char*)0xd011)
-#define	rasreg		(*(char*)0xd012)
-#define	lpxpos		(*(char*)0xd013)
-#define	lpypos		(*(char*)0xd014)
-#define	mobenble	(*(char*)0xd015)
-#define	grcntrl2	(*(char*)0xd016)
-#define	grmemptr	(*(char*)0xd018)
-#define	grirq		(*(char*)0xd019)
-#define	grirqen		(*(char*)0xd01a)
-#define	moby2		(*(char*)0xd017)
-#define	mobprior	(*(char*)0xd01b)
-#define	mobmcm		(*(char*)0xd01c)
-#define	mobx2		(*(char*)0xd01d)
-#define	mobmobcol	(*(char*)0xd01e)
-#define	mobbakcol	(*(char*)0xd01f)
-#define	extclr		(*(char*)0xd020)
-#define	bakclr0		(*(char*)0xd021)
-#define	bakclr1		(*(char*)0xd022)
-#define	bakclr2		(*(char*)0xd023)
-#define	bakclr3		(*(char*)0xd024)
-#define	mcmclr0		(*(char*)0xd025)
-#define	mcmclr1		(*(char*)0xd026)
-#define	mob0clr		(*(char*)0xd027)
-#define	mob1clr		(*(char*)0xd028)
-#define	mob2clr		(*(char*)0xd029)
-#define	mob3clr		(*(char*)0xd02a)
-#define	mob4clr		(*(char*)0xd02b)
-#define	mob5clr		(*(char*)0xd02c)
-#define	mob6clr		(*(char*)0xd02d)
-#define	mob7clr		(*(char*)0xd02e)
-#define	keyreg		(*(char*)0xd02f)
-#define	clkreg		(*(char*)0xd030)
-
-#define	vdcreg		(*(char*)0xd600)
-#define	vdcdata		(*(char*)0xd601)
+#define nameBuf         char[17]
+#define blockBuf        char[256]
+
+#define CPU_DDR         (*(char*)0x00)
+#define CPU_DATA        (*(char*)0x01)
+
+#define R_BASE          0x02
+
+#define curPattern      (*(unsigned*)0x22)
+#define string          (*(unsigned*)0x24)
+#define curFontDesc     (*(struct fontdesc*)0x26)
+#define currentMode     (*(char*)0x2e)
+#define dispBufferOn    (*(char*)0x2f)
+#define mouseOn         (*(char*)0x30)
+#define msePicPtr       (*(unsigned*)0x31)
+#define curWindow       (*(struct window*)0x33)
+#define pressFlag       (*(char*)0x39)
+#define mousePos        (*(struct pixel*)0x3a)
+#define returnAddress   (*(unsigned*)0x3d)
+#define graphMode       (*(char*)0x3f)
+#define STATUS          (*(char*)0x90)
+#define curDevice       (*(char*)0xba)
+
+#define irqvec          (*(void_func*)0x0314)
+#define bkvec           (*(void_func*)0x0316)
+#define nmivec          (*(void_func*)0x0318)
+
+#define APP_RAM         ((char*)0x0400)
+#define BACK_SCR_BASE   ((char*)0x6000)
+#define PRINTBASE       ((char*)0x7900)
+#define OS_VARS         ((char*)0x8000)
+
+#define diskBlkBuf      ((blockBuf)0x8000)
+#define fileHeader      (*(struct fileheader*)0x8100)
+#define curDirHead      ((blockBuf)0x8200)
+#define fileTrScTab     ((struct tr_se[128])0x8300)
+#define dirEntryBuf     (*(struct filehandle*)0x8400)
+
+#define DrACurDkNm      ((nameBuf)0x841e)
+#define DrBCurDkNm      ((nameBuf)0x8430)
+#define dataFileName    ((nameBuf)0x8442)
+#define dataDiskName    ((nameBuf)0x8453)
+#define PrntFileName    ((nameBuf)0x8465)
+#define PrntDiskName    ((nameBuf)0x8476)
+
+#define curDrive        (*(char*)0x8489)
+#define diskOpenFlg     (*(char*)0x848a)
+#define isGEOS          (*(char*)0x848b)
+#define interleave      (*(char*)0x848c)
+#define NUMDRV          (*(char*)0x848d)
+
+#define driveType       ((char[4])0x848e)
+#define turboFlags      ((char[4])0x8492)
+
+#define VLIRInfo        (*(struct VLIR_info*)0x8496)
+
+#define appMain         (*(void_func*)0x849b)
+#define intTopVector    (*(void_func*)0x849d)
+#define intBotVector    (*(void_func*)0x849f)
+#define mouseVector     (*(void_func*)0x84a1)
+#define keyVector       (*(void_func*)0x84a3)
+#define inputVector     (*(void_func*)0x84a5)
+#define mouseFaultVec   (*(void_func*)0x84a7)
+#define otherPressVec   (*(void_func*)0x84a9)
+#define StringFaultVec  (*(void_func*)0x84ab)
+#define alarmTmtVector  (*(void_func*)0x84ad)
+#define BRKVector       (*(void_func*)0x84af)
+#define RecoverVector   (*(void_func*)0x84b1)
+
+#define selectionFlash  (*(char*)0x84b3)
+#define alphaFlag       (*(char*)0x84b4)
+#define iconSelFlg      (*(char*)0x84b5)
+#define faultData       (*(char*)0x84b6)
+#define menuNumber      (*(char*)0x84b7)
+#define mouseWindow     (*(struct window*)0x84b8)
+#define stringXY        (*(struct pixel*)0x84be)
+#define mousePicData    (*(char*)0x84c1)
+
+#define maxMouseSpeed   (*(char*)0x8501)
+#define minMouseSpeed   (*(char*)0x8502)
+#define mouseAccel      (*(char*)0x8503)
+#define keyData         (*(char*)0x8504)
+#define mouseData       (*(char*)0x8505)
+#define inputData       (*(char*)0x8506)
+#define mouseSpeed      (*(char*)0x8507)
+#define random          (*(char*)0x850a)
+#define saveFontTab     (*(struct fontdesc*)0x850c)
+
+#define dblClickCount   (*(char*)0x8515)
+#define system_date     (*(struct s_date*)0x8516)
+#define alarmSetFlag    (*(char*)0x851c)
+#define sysDBData       (*(char*)0x851d)
+#define screencolors    (*(char*)0x851e)
+#define dlgBoxRamBuf    (*(char*)0x851f)
+
+#define savedmoby2      (*(char*)0x88bb)
+#define scr80polar      (*(char*)0x88bc)
+#define scr80colors     (*(char*)0x88bd)
+#define vdcClrMode      (*(char*)0x88be)
+#define driveData       ((char[4])0x88bf)
+#define ramExpSize      (*(char*)0x88c3)
+#define sysRAMFlg       (*(char*)0x88c4)
+#define firstBoot       (*(char*)0x88c5)
+#define curType         (*(char*)0x88c6)
+#define ramBase         (*(char*)0x88c7)
+#define inputDevName    ((nameBuf)0x88cb)
+#define DrCCurDkNm      ((nameBuf)0x88dc)
+#define DrDCurDkNm      ((nameBuf)0x88ee)
+#define dir2Head        ((blockBuf)0x8900)
+#define SPRITE_PICS     ((char*)0x8a00)
+#define sprpic          ((char[8][64])0x8a00)
+#define COLOR_MATRIX    ((char[1000])0x8c00)
+#define objPointer      ((char[8])0x8ff8)
+
+#define DISK_BASE       ((char*)0x9000)
+#define SCREEN_BASE     ((char*)0xa000)
+#define OS_ROM          ((char*)0xc000)
+#define OS_JUMPTAB      ((char*)0xc100)
+#define EXP_BASE        ((char*)0xdf00)
+#define MOUSE_BASE_128  ((char*)0xfd00)
+#define MOUSE_JMP_128   ((char*)0xfd00)
+#define END_MOUSE_128   ((char*)0xfe80)
+#define MOUSE_BASE      ((char*)0xfe80)
+#define MOUSE_JMP       ((char*)0xfe80)
+
+#define config          (*(char*)0xff00)
+#define END_MOUSE       ((char*)0xfffa)
+
+#define NMI_VECTOR      (*(void_func*)0xfffa)
+#define RESET_VECTOR    (*(void_func*)0xfffc)
+#define IRQ_VECTOR      (*(void_func*)0xfffe)
+
+#define vicbase         ((char*)0xd000)
+#define sidbase         ((char*)0xd400)
+#define mmu             ((char*)0xd500)
+#define VDC             ((char*)0xd600)
+#define ctab            ((char*)0xd800)
+#define cia1base        ((char*)0xdc00)
+#define cia2base        ((char*)0xdd00)
+
+#define mob0xpos        (*(char*)0xd000)
+#define mob0ypos        (*(char*)0xd001)
+#define mob1xpos        (*(char*)0xd002)
+#define mob1ypos        (*(char*)0xd003)
+#define mob2xpos        (*(char*)0xd004)
+#define mob2ypos        (*(char*)0xd005)
+#define mob3xpos        (*(char*)0xd006)
+#define mob3ypos        (*(char*)0xd007)
+#define mob4xpos        (*(char*)0xd008)
+#define mob4ypos        (*(char*)0xd009)
+#define mob5xpos        (*(char*)0xd00a)
+#define mob5ypos        (*(char*)0xd00b)
+#define mob6xpos        (*(char*)0xd00c)
+#define mob6ypos        (*(char*)0xd00d)
+#define mob7xpos        (*(char*)0xd00e)
+#define mob7ypos        (*(char*)0xd00f)
+#define msbxpos         (*(char*)0xd010)
+#define grcntrl1        (*(char*)0xd011)
+#define rasreg          (*(char*)0xd012)
+#define lpxpos          (*(char*)0xd013)
+#define lpypos          (*(char*)0xd014)
+#define mobenble        (*(char*)0xd015)
+#define grcntrl2        (*(char*)0xd016)
+#define grmemptr        (*(char*)0xd018)
+#define grirq           (*(char*)0xd019)
+#define grirqen         (*(char*)0xd01a)
+#define moby2           (*(char*)0xd017)
+#define mobprior        (*(char*)0xd01b)
+#define mobmcm          (*(char*)0xd01c)
+#define mobx2           (*(char*)0xd01d)
+#define mobmobcol       (*(char*)0xd01e)
+#define mobbakcol       (*(char*)0xd01f)
+#define extclr          (*(char*)0xd020)
+#define bakclr0         (*(char*)0xd021)
+#define bakclr1         (*(char*)0xd022)
+#define bakclr2         (*(char*)0xd023)
+#define bakclr3         (*(char*)0xd024)
+#define mcmclr0         (*(char*)0xd025)
+#define mcmclr1         (*(char*)0xd026)
+#define mob0clr         (*(char*)0xd027)
+#define mob1clr         (*(char*)0xd028)
+#define mob2clr         (*(char*)0xd029)
+#define mob3clr         (*(char*)0xd02a)
+#define mob4clr         (*(char*)0xd02b)
+#define mob5clr         (*(char*)0xd02c)
+#define mob6clr         (*(char*)0xd02d)
+#define mob7clr         (*(char*)0xd02e)
+#define keyreg          (*(char*)0xd02f)
+#define clkreg          (*(char*)0xd030)
+
+#define vdcreg          (*(char*)0xd600)
+#define vdcdata         (*(char*)0xd601)
 
 #else /* #ifdef __GEOS_CBM__ */
 
-#define nameBuf		char[16]
-#define blockBuf	char[512]
-
-#define R_BASE		0x00
-
-#define	curPattern	(*(unsigned*)0x022c)
-#define	string		(*(unsigned*)0x53)
-#define curFontDesc	(*(struct fontdesc*)0x0218)
-#define	currentMode	(*(char*)0x021c)
-#define	dispBufferOn	(*(char*)0x021d)
-#define	mouseOn		(*(char*)0x5d)
-#define curWindow	(*(struct window*)0x021e)
-#define	pressFlag	(*(char*)0x08fe)
-#define mousePos	(*(struct pixel*)0x0241)
-#define	returnAddress	(*(unsigned*)0x64)
-
-#define	diskBlkBuf	((blockBuf)0xf659)
-#define fileHeader	(*(struct fileheader*)0xf859)
-#define curDirHead	((char[39])0xfa80)
-#define dirEntryBuf	(*(struct filehandle*)0xfa59)
-
-#define DrACurDkNm	((nameBuf)0xfaa7)
-#define DrBCurDkNm	((nameBuf)0xfab7)
-#define dataFileName	((nameBuf)0x02a4)
-#define dataDiskName	((nameBuf)0x02b4)
-#define PrntFileName	((nameBuf)0x08ac)
-
-#define	curDrive	(*(char*)0xf60d)
-#define	diskOpenFlg	(*(char*)0xf617)
-#define	NUMDRV		(*(char*)0xf60e)
-
-#define driveType	((char[4])0xfaf3)
-
-#define	VLIRInfo	(*(struct VLIR_info*)0xf618)
-
-#define appMain		(*(void_func*)0x0200)
-#define intTopVector	(*(void_func*)0x0202)
-#define intBotVector	(*(void_func*)0x0204)
-#define mouseVector	(*(void_func*)0x0206)
-#define keyVector	(*(void_func*)0x0208)
-#define	inputVector	(*(void_func*)0x020a)
-#define	mouseFaultVec	(*(void_func*)0x020c)
-#define	otherPressVec	(*(void_func*)0x020e)
-#define	StringFaultVec	(*(void_func*)0x0210)
-#define	alarmTmtVector	(*(void_func*)0x0212)
-#define	BRKVector	(*(void_func*)0x0214)
-#define	RecoverVector	(*(void_func*)0x0216)
-
-#define	selectionFlash	(*(char*)0x0224)
-#define	alphaFlag	(*(char*)0x0225)
-#define	iconSelFlg	(*(char*)0x0226)
-#define	faultData	(*(char*)0x0227)
-#define	menuNumber	(*(char*)0x0228)
-#define mouseWindow	(*(struct window*)0x57)
-#define stringXY	(*(struct pixel*)0x022e)
-
-#define	maxMouseSpeed	(*(char*)0x027d)
-#define	minMouseSpeed	(*(char*)0x027e)
-#define	mouseAccel	(*(char*)0x027f)
-#define	keyData		(*(char*)0x0245)
-#define	mouseData	(*(char*)0x0246)
-#define	inputData	(*(char*)0x0247)
-#define	random		(*(char*)0x024c)
-#define	saveFontTab	(*(struct fontdesc*)0x024e)
-
-#define	dblClickCount	(*(char*)0x0258)
-#define system_date	(*(struct s_date*)0xf200)
-#define	sysDBData	(*(char*)0x0259)
-#define	dlgBoxRamBuf	(*(char*)0xf381)
-
-#define	firstBoot	(*(char*)0x0281)
-#define inputDevName	((nameBuf)0x08cc)
-#define	DrCCurDkNm	((nameBuf)0xfac7)
-#define	DrDCurDkNm	((nameBuf)0xfad7)
-
-#define	mobenble	(*(char*)0x0818)
-#define	moby2		(*(char*)0x081a)
-#define	mobx2		(*(char*)0x0819)
+#define nameBuf         char[16]
+#define blockBuf        char[512]
+
+#define R_BASE          0x00
+
+#define curPattern      (*(unsigned*)0x022c)
+#define string          (*(unsigned*)0x53)
+#define curFontDesc     (*(struct fontdesc*)0x0218)
+#define currentMode     (*(char*)0x021c)
+#define dispBufferOn    (*(char*)0x021d)
+#define mouseOn         (*(char*)0x5d)
+#define curWindow       (*(struct window*)0x021e)
+#define pressFlag       (*(char*)0x08fe)
+#define mousePos        (*(struct pixel*)0x0241)
+#define returnAddress   (*(unsigned*)0x64)
+
+#define diskBlkBuf      ((blockBuf)0xf659)
+#define fileHeader      (*(struct fileheader*)0xf859)
+#define curDirHead      ((char[39])0xfa80)
+#define dirEntryBuf     (*(struct filehandle*)0xfa59)
+
+#define DrACurDkNm      ((nameBuf)0xfaa7)
+#define DrBCurDkNm      ((nameBuf)0xfab7)
+#define dataFileName    ((nameBuf)0x02a4)
+#define dataDiskName    ((nameBuf)0x02b4)
+#define PrntFileName    ((nameBuf)0x08ac)
+
+#define curDrive        (*(char*)0xf60d)
+#define diskOpenFlg     (*(char*)0xf617)
+#define NUMDRV          (*(char*)0xf60e)
+
+#define driveType       ((char[4])0xfaf3)
+
+#define VLIRInfo        (*(struct VLIR_info*)0xf618)
+
+#define appMain         (*(void_func*)0x0200)
+#define intTopVector    (*(void_func*)0x0202)
+#define intBotVector    (*(void_func*)0x0204)
+#define mouseVector     (*(void_func*)0x0206)
+#define keyVector       (*(void_func*)0x0208)
+#define inputVector     (*(void_func*)0x020a)
+#define mouseFaultVec   (*(void_func*)0x020c)
+#define otherPressVec   (*(void_func*)0x020e)
+#define StringFaultVec  (*(void_func*)0x0210)
+#define alarmTmtVector  (*(void_func*)0x0212)
+#define BRKVector       (*(void_func*)0x0214)
+#define RecoverVector   (*(void_func*)0x0216)
+
+#define selectionFlash  (*(char*)0x0224)
+#define alphaFlag       (*(char*)0x0225)
+#define iconSelFlg      (*(char*)0x0226)
+#define faultData       (*(char*)0x0227)
+#define menuNumber      (*(char*)0x0228)
+#define mouseWindow     (*(struct window*)0x57)
+#define stringXY        (*(struct pixel*)0x022e)
+
+#define maxMouseSpeed   (*(char*)0x027d)
+#define minMouseSpeed   (*(char*)0x027e)
+#define mouseAccel      (*(char*)0x027f)
+#define keyData         (*(char*)0x0245)
+#define mouseData       (*(char*)0x0246)
+#define inputData       (*(char*)0x0247)
+#define random          (*(char*)0x024c)
+#define saveFontTab     (*(struct fontdesc*)0x024e)
+
+#define dblClickCount   (*(char*)0x0258)
+#define system_date     (*(struct s_date*)0xf200)
+#define sysDBData       (*(char*)0x0259)
+#define dlgBoxRamBuf    (*(char*)0xf381)
+
+#define firstBoot       (*(char*)0x0281)
+#define inputDevName    ((nameBuf)0x08cc)
+#define DrCCurDkNm      ((nameBuf)0xfac7)
+#define DrDCurDkNm      ((nameBuf)0xfad7)
+
+#define mobenble        (*(char*)0x0818)
+#define moby2           (*(char*)0x081a)
+#define mobx2           (*(char*)0x0819)
 
 #endif /* #ifdef __GEOS_CBM__ */
 
diff --git a/include/geos/gsys.h b/include/geos/gsys.h
index 493c2609f..284c38b63 100644
--- a/include/geos/gsys.h
+++ b/include/geos/gsys.h
@@ -4,7 +4,7 @@
   by Maciej 'YTM/Elysium' Witkowiak
 */
 
-#ifndef	_GSYS_H
+#ifndef _GSYS_H
 #define _GSYS_H
 
 void FirstInit(void);
@@ -27,24 +27,24 @@ char get_ostype(void);
 /* possible return values of get_ostype, machine and version flags will
    be combined with OR */
   /* machine flags */
-#define GEOS64		0x00
+#define GEOS64          0x00
 #define GEOS4           0x04    /* plus4 geos is not or'ed with version */
-#define GEOS128		0x80
+#define GEOS128         0x80
   /* version flags */
-#define GEOS_V10	0x10
+#define GEOS_V10        0x10
 #define GEOS_V11        0x11
-#define GEOS_V12	0x12   	/* ??? not sure */
-#define GEOS_V20	0x20
-#define WHEELS		0x40	/* only Wheels? */
+#define GEOS_V12        0x12    /* ??? not sure */
+#define GEOS_V20        0x20
+#define WHEELS          0x40    /* only Wheels? */
 
 char get_tv(void);
 
 /* possible return values of get_tv, these flags will be combined
    note that columns state can be changed during runtime and get_tv
    always returns the current state */
-#define COLUMNS40	0x00
-#define COLUMNS80	0x01
-#define TV_PAL		0x00
-#define TV_NTSC		0x80
+#define COLUMNS40       0x00
+#define COLUMNS80       0x01
+#define TV_PAL          0x00
+#define TV_NTSC         0x80
 
 #endif
diff --git a/include/iso646.h b/include/iso646.h
index 287bddc3b..18cf6e50d 100644
--- a/include/iso646.h
+++ b/include/iso646.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   iso646.h				     */
+/*                                 iso646.h                                  */
 /*                                                                           */
-/*			     Alternative spellings			     */
+/*                           Alternative spellings                           */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -39,17 +39,17 @@
 
 
 /* Operator tokens */
-#define	and	&&
-#define and_eq	&=
-#define bitand	&
-#define bitor	|
-#define compl	~
-#define not	!
-#define not_eq	!=
-#define or	||
-#define or_eq	|=
-#define xor	^
-#define xor_eq	^=
+#define and     &&
+#define and_eq  &=
+#define bitand  &
+#define bitor   |
+#define compl   ~
+#define not     !
+#define not_eq  !=
+#define or      ||
+#define or_eq   |=
+#define xor     ^
+#define xor_eq  ^=
 
 
 
diff --git a/include/joystick.h b/include/joystick.h
index 2e6a3fefe..18b552f08 100644
--- a/include/joystick.h
+++ b/include/joystick.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				  joystick.h				     */
+/*                                joystick.h                                 */
 /*                                                                           */
-/*		 Read the joystick on systems that support it		     */
+/*               Read the joystick on systems that support it                */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -52,8 +52,8 @@
 #define JOY_ERR_NO_DEVICE       4       /* Device (hardware) not found */
 
 /* Argument for the joy_read function */
-#define JOY_1		0
-#define JOY_2		1
+#define JOY_1           0
+#define JOY_2           1
 
 /* The following codes are *indices* into the joy_masks array */
 #define JOY_UP          0
@@ -83,7 +83,7 @@ extern const void joy_static_stddrv[];
 
 
 /*****************************************************************************/
-/* 	      	       	      	   Functions	       			     */
+/*                                 Functions                                 */
 /*****************************************************************************/
 
 
diff --git a/include/joystick/joy-kernel.h b/include/joystick/joy-kernel.h
index d57ad5dc7..e617a43c5 100644
--- a/include/joystick/joy-kernel.h
+++ b/include/joystick/joy-kernel.h
@@ -68,7 +68,7 @@ typedef struct {
 
 
 /* JOY kernel variables */
-extern joy_drv_header* 	joy_drv;       	/* Pointer to driver */
+extern joy_drv_header*  joy_drv;        /* Pointer to driver */
 
 
 
diff --git a/include/limits.h b/include/limits.h
index d02d52dca..23474c78c 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   limits.h				     */
+/*                                 limits.h                                  */
 /*                                                                           */
-/*			    Sizes of integer types			     */
+/*                          Sizes of integer types                           */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -38,30 +38,30 @@
 
 
 
-#define CHAR_BIT	8
+#define CHAR_BIT        8
 
-#define SCHAR_MIN	((signed char) 0x80)
-#define SCHAR_MAX	127
+#define SCHAR_MIN       ((signed char) 0x80)
+#define SCHAR_MAX       127
 
-#define UCHAR_MAX	255
+#define UCHAR_MAX       255
 
-#define CHAR_MIN	0
-#define CHAR_MAX	255
+#define CHAR_MIN        0
+#define CHAR_MAX        255
 
-#define SHRT_MIN       	((short) 0x8000)
-#define SHRT_MAX	32767
+#define SHRT_MIN        ((short) 0x8000)
+#define SHRT_MAX        32767
 
-#define USHRT_MAX	65535U
+#define USHRT_MAX       65535U
 
-#define INT_MIN	       	((int) 0x8000)
-#define INT_MAX		32767
+#define INT_MIN         ((int) 0x8000)
+#define INT_MAX         32767
 
-#define UINT_MAX	65535U
+#define UINT_MAX        65535U
 
-#define LONG_MAX	2147483647L
-#define LONG_MIN       	((long) 0x80000000)
+#define LONG_MAX        2147483647L
+#define LONG_MIN        ((long) 0x80000000)
 
-#define ULONG_MAX	4294967295UL
+#define ULONG_MAX       4294967295UL
 
 
 
diff --git a/include/locale.h b/include/locale.h
index f099ad1d2..4134dd5db 100644
--- a/include/locale.h
+++ b/include/locale.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*		   		   locale.h				     */
+/*                                 locale.h                                  */
 /*                                                                           */
-/*		   	    Localization 			     */
+/*                          Localization                           */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,38 +40,38 @@
 
 /* NULL pointer */
 #ifndef _HAVE_NULL
-#define NULL	0
+#define NULL    0
 #define _HAVE_NULL
 #endif
 
 /* Locale information constants */
-#define LC_ALL		0
-#define LC_COLLATE	1
-#define LC_CTYPE	2
-#define LC_MONETARY	3
-#define LC_NUMERIC	4
-#define LC_TIME		5
+#define LC_ALL          0
+#define LC_COLLATE      1
+#define LC_CTYPE        2
+#define LC_MONETARY     3
+#define LC_NUMERIC      4
+#define LC_TIME         5
 
 /* Struct containing locale settings */
 struct lconv {
-    char*	currency_symbol;
-    char*	decimal_point;
-    char*	grouping;
-    char*	int_curr_symbol;
-    char*	mon_decimal_point;
-    char*	mon_grouping;
-    char*	mon_thousands_sep;
-    char*	negative_sign;
-    char*	positive_sign;
-    char*	thousands_sep;
-    char	frac_digits;
-    char	int_frac_digits;
-    char	n_cs_precedes;
-    char	n_sep_by_space;
-    char	n_sign_posn;
-    char	p_cs_precedes;
-    char	p_sep_by_space;
-    char	p_sign_posn;
+    char*       currency_symbol;
+    char*       decimal_point;
+    char*       grouping;
+    char*       int_curr_symbol;
+    char*       mon_decimal_point;
+    char*       mon_grouping;
+    char*       mon_thousands_sep;
+    char*       negative_sign;
+    char*       positive_sign;
+    char*       thousands_sep;
+    char        frac_digits;
+    char        int_frac_digits;
+    char        n_cs_precedes;
+    char        n_sep_by_space;
+    char        n_sign_posn;
+    char        p_cs_precedes;
+    char        p_sep_by_space;
+    char        p_sign_posn;
 };
 
 /* Function prototypes */
diff --git a/include/lynx.h b/include/lynx.h
index ec1a8c464..e9c702994 100644
--- a/include/lynx.h
+++ b/include/lynx.h
@@ -46,7 +46,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
diff --git a/include/mouse.h b/include/mouse.h
index bfb0acad3..bc90263cf 100644
--- a/include/mouse.h
+++ b/include/mouse.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    mouse.h				     */
+/*                                  mouse.h                                  */
 /*                                                                           */
-/*				   Mouse API				     */
+/*                                 Mouse API                                 */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -41,7 +41,7 @@
 
 
 /*****************************************************************************/
-/* 	      			  Definitions	     			     */
+/*                                Definitions                                */
 /*****************************************************************************/
 
 
@@ -55,13 +55,13 @@
 #define MOUSE_ERR_INV_IOCTL     5       /* Invalid ioctl code */
 
 /* Mouse button masks */
-#define MOUSE_BTN_LEFT	     0x10
+#define MOUSE_BTN_LEFT       0x10
 #define MOUSE_BTN_RIGHT      0x01
 
 /* Structure containing the mouse coordinates */
 struct mouse_pos {
-    int 		x;
-    int 		y;
+    int                 x;
+    int                 y;
 };
 
 /* Structure containing information about the mouse */
@@ -72,10 +72,10 @@ struct mouse_info {
 
 /* Structure used for getbox/setbox */
 struct mouse_box {
-    int         	minx;
-    int         	miny;
-    int         	maxx;
-    int         	maxy;
+    int                 minx;
+    int                 miny;
+    int                 maxx;
+    int                 maxy;
 };
 
 /* Structure containing mouse callback functions. These functions are declared
@@ -113,7 +113,7 @@ extern const void mouse_static_stddrv[];
 
 
 /*****************************************************************************/
-/* 	      			   Functions	     			     */
+/*                                 Functions                                 */
 /*****************************************************************************/
 
 
@@ -150,10 +150,10 @@ void __fastcall__ mouse_setbox (const struct mouse_box* box);
  * NOTE: The function does *not* check if the mouse is currently inside the
  * given margins. The proper way to use this function therefore is:
  *
- * 	- Hide the mouse
- * 	- Set the bounding box
- * 	- Place the mouse at the desired position
- * 	- Show the mouse again.
+ *      - Hide the mouse
+ *      - Set the bounding box
+ *      - Place the mouse at the desired position
+ *      - Show the mouse again.
  *
  * NOTE2: When setting the box to something that is larger than the actual
  * screen, the positioning of the mouse cursor can fail. If such margins
diff --git a/include/mouse/mouse-kernel.h b/include/mouse/mouse-kernel.h
index 1bcac64d5..f024b0926 100644
--- a/include/mouse/mouse-kernel.h
+++ b/include/mouse/mouse-kernel.h
@@ -45,7 +45,7 @@
 
 
 /* Mouse kernel variables */
-extern void*   	mouse_drv;       	/* Pointer to driver */
+extern void*    mouse_drv;              /* Pointer to driver */
 
 
 
diff --git a/include/nes.h b/include/nes.h
index 46219b3de..3ad442280 100644
--- a/include/nes.h
+++ b/include/nes.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     nes.h			       	     */
+/*                                   nes.h                                   */
 /*                                                                           */
-/*		        NES system specific definitions			     */
+/*                      NES system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/o65.h b/include/o65.h
index e33f98d97..2321cfe10 100644
--- a/include/o65.h
+++ b/include/o65.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     o65.h				     */
+/*                                   o65.h                                   */
 /*                                                                           */
-/*		      Definitions for the o65 file format		     */
+/*                    Definitions for the o65 file format                    */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -57,9 +57,9 @@ typedef struct o65_header o65_header;
 struct o65_header {
     char        marker[2];      /* Non-C64 marker */
     char        magic[3];       /* o65 magic */
-    char        version;	/* Version number */
+    char        version;        /* Version number */
     unsigned    mode;           /* Mode word */
-    o65_size	tbase;          /* Original text (code) segment address */
+    o65_size    tbase;          /* Original text (code) segment address */
     o65_size    tlen;           /* Size of text (code) segment */
     o65_size    dbase;          /* Original data segment address */
     o65_size    dlen;           /* Size of data segment */
@@ -81,7 +81,7 @@ struct o65_header {
 #define O65_VERSION             0x00
 
 /* Defines for the mode word */
-#define O65_CPU_65816           0x8000 	/* Executable is for 65816 */
+#define O65_CPU_65816           0x8000  /* Executable is for 65816 */
 #define O65_CPU_6502            0x0000  /* Executable is for the 6502 */
 #define O65_CPU_MASK            0x8000  /* Mask to extract CPU type */
 
@@ -89,7 +89,7 @@ struct o65_header {
 #define O65_RELOC_BYTE          0x0000  /* Byte wise relocation */
 #define O65_RELOC_MASK          0x4000  /* Mask to extract relocation type */
 
-#define O65_SIZE_32BIT          0x2000 	/* All size words are 32bit */
+#define O65_SIZE_32BIT          0x2000  /* All size words are 32bit */
 #define O65_SIZE_16BIT          0x0000  /* All size words are 16bit */
 #define O65_SIZE_MASK           0x2000  /* Mask to extract size */
 
@@ -108,7 +108,7 @@ struct o65_header {
 #define O65_BSSZERO_MASK        0x0200  /* Mask to extract bss zero flag */
 
 /* The following is used if O65_CPU == 6502 */
-#define O65_CPU2_6502		0x0000  /* Executable is for 6502 */
+#define O65_CPU2_6502           0x0000  /* Executable is for 6502 */
 #define O65_CPU2_65C02          0x0010  /* Executable is for 65C02 */
 #define O65_CPU2_65SC02         0x0020  /* Executable is for 65SC02 */
 #define O65_CPU2_65CE02         0x0030  /* Executable is for 65CE02 */
@@ -131,12 +131,12 @@ struct o65_header {
                                  O65_ALIGN_1)
 
 /* The four o65 segment types. */
-#define O65_SEGID_UNDEF  	0x00
-#define O65_SEGID_ABS	        0x01
-#define O65_SEGID_TEXT   	0x02
-#define O65_SEGID_DATA	        0x03
-#define O65_SEGID_BSS	        0x04
-#define O65_SEGID_ZP 	        0x05
+#define O65_SEGID_UNDEF         0x00
+#define O65_SEGID_ABS           0x01
+#define O65_SEGID_TEXT          0x02
+#define O65_SEGID_DATA          0x03
+#define O65_SEGID_BSS           0x04
+#define O65_SEGID_ZP            0x05
 #define O65_SEGID_MASK          0x07
 
 /* Relocation type codes */
@@ -158,14 +158,14 @@ struct o65_header {
 
 /* Option tags */
 #define O65_OPT_FILENAME        0
-#define O65_OPT_OS     		1
-#define O65_OPT_ASM		2
-#define O65_OPT_AUTHOR		3
-#define O65_OPT_TIMESTAMP	4
+#define O65_OPT_OS              1
+#define O65_OPT_ASM             2
+#define O65_OPT_AUTHOR          3
+#define O65_OPT_TIMESTAMP       4
 
 /* Operating system codes for O65_OPT_OS */
-#define O65_OS_OSA65		1
-#define O65_OS_LUNIX		2
+#define O65_OS_OSA65            1
+#define O65_OS_LUNIX            2
 #define O65_OS_CC65             3
 #define O65_OS_OPENCBM          4
 
diff --git a/include/pet.h b/include/pet.h
index 24e937c5a..0588ee8bf 100644
--- a/include/pet.h
+++ b/include/pet.h
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*                                   pet.h                                   */
 /*                                                                           */
-/*                      PET system specific definitions			     */
+/*                      PET system specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -52,8 +52,8 @@
 
 
 /* Color defines */
-#define COLOR_BLACK            	0x00
-#define COLOR_WHITE            	0x01
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
 
 /* Define hardware */
 #include <_pia.h>
diff --git a/include/plus4.h b/include/plus4.h
index 3a764b984..840e8b342 100644
--- a/include/plus4.h
+++ b/include/plus4.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    plus4.h                                  */
+/*                                  plus4.h                                  */
 /*                                                                           */
-/*		      Plus/4 system specific definitions                     */
+/*                    Plus/4 system specific definitions                     */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
diff --git a/include/serial.h b/include/serial.h
index b5601170e..f88ab114e 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -39,51 +39,51 @@
 
 
 /*****************************************************************************/
-/*			  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* Baudrate settings */
 #define SER_BAUD_45_5           0x00
-#define SER_BAUD_50            	0x01
+#define SER_BAUD_50             0x01
 #define SER_BAUD_75             0x02
-#define SER_BAUD_110           	0x03
-#define SER_BAUD_134_5         	0x04
+#define SER_BAUD_110            0x03
+#define SER_BAUD_134_5          0x04
 #define SER_BAUD_150            0x05
-#define SER_BAUD_300           	0x06
-#define SER_BAUD_600           	0x07
-#define SER_BAUD_1200          	0x08
+#define SER_BAUD_300            0x06
+#define SER_BAUD_600            0x07
+#define SER_BAUD_1200           0x08
 #define SER_BAUD_1800           0x09
-#define SER_BAUD_2400          	0x0A
+#define SER_BAUD_2400           0x0A
 #define SER_BAUD_3600           0x0B
-#define SER_BAUD_4800          	0x0C
+#define SER_BAUD_4800           0x0C
 #define SER_BAUD_7200           0x0D
-#define SER_BAUD_9600          	0x0E
-#define SER_BAUD_19200         	0x0F
-#define SER_BAUD_38400         	0x10
-#define SER_BAUD_57600         	0x11
-#define SER_BAUD_115200        	0x12
-#define SER_BAUD_230400        	0x13
-#define SER_BAUD_31250        	0x14
-#define SER_BAUD_62500        	0x15
+#define SER_BAUD_9600           0x0E
+#define SER_BAUD_19200          0x0F
+#define SER_BAUD_38400          0x10
+#define SER_BAUD_57600          0x11
+#define SER_BAUD_115200         0x12
+#define SER_BAUD_230400         0x13
+#define SER_BAUD_31250          0x14
+#define SER_BAUD_62500          0x15
 
 /* Data bit settings */
-#define SER_BITS_5             	0x00
-#define SER_BITS_6             	0x01
-#define SER_BITS_7             	0x02
-#define SER_BITS_8             	0x03
+#define SER_BITS_5              0x00
+#define SER_BITS_6              0x01
+#define SER_BITS_7              0x02
+#define SER_BITS_8              0x03
 
 /* Stop bit settings */
-#define SER_STOP_1             	0x00    /* One stop bit */
-#define SER_STOP_2             	0x01    /* Two stop bits */
+#define SER_STOP_1              0x00    /* One stop bit */
+#define SER_STOP_2              0x01    /* Two stop bits */
 
 /* Parity settings */
-#define SER_PAR_NONE           	0x00
-#define SER_PAR_ODD            	0x01
-#define SER_PAR_EVEN           	0x02
-#define SER_PAR_MARK           	0x03
-#define SER_PAR_SPACE          	0x04
+#define SER_PAR_NONE            0x00
+#define SER_PAR_ODD             0x01
+#define SER_PAR_EVEN            0x02
+#define SER_PAR_MARK            0x03
+#define SER_PAR_SPACE           0x04
 
 /* Handshake settings. The latter two may be combined. */
 #define SER_HS_NONE             0x00    /* No handshake */
@@ -93,22 +93,22 @@
 /* Bit masks to mask out things from the status returned by ser_status.
  * These are 6551 specific and must be mapped by drivers for other chips.
  */
-#define SER_STATUS_PE          	0x01	/* Parity error */
-#define SER_STATUS_FE  	       	0x02	/* Framing error */
-#define SER_STATUS_OE           0x04	/* Overrun error */
-#define SER_STATUS_DCD 	       	0x20	/* NOT data carrier detect */
-#define SER_STATUS_DSR 	       	0x40	/* NOT data set ready */
+#define SER_STATUS_PE           0x01    /* Parity error */
+#define SER_STATUS_FE           0x02    /* Framing error */
+#define SER_STATUS_OE           0x04    /* Overrun error */
+#define SER_STATUS_DCD          0x20    /* NOT data carrier detect */
+#define SER_STATUS_DSR          0x40    /* NOT data set ready */
 
 /* Error codes returned by all functions */
-#define SER_ERR_OK     	       	0x00	/* Not an error - relax */
+#define SER_ERR_OK              0x00    /* Not an error - relax */
 #define SER_ERR_NO_DRIVER       0x01    /* No driver available */
 #define SER_ERR_CANNOT_LOAD     0x02    /* Error loading driver */
 #define SER_ERR_INV_DRIVER      0x03    /* Invalid driver */
 #define SER_ERR_NO_DEVICE       0x04    /* Device (hardware) not found */
-#define SER_ERR_BAUD_UNAVAIL   	0x05   	/* Baud rate not available */
-#define SER_ERR_NO_DATA	       	0x06   	/* Nothing to read */
-#define SER_ERR_OVERFLOW       	0x07   	/* No room in send buffer */
-#define SER_ERR_INIT_FAILED     0x08   	/* Initialization failed */
+#define SER_ERR_BAUD_UNAVAIL    0x05    /* Baud rate not available */
+#define SER_ERR_NO_DATA         0x06    /* Nothing to read */
+#define SER_ERR_OVERFLOW        0x07    /* No room in send buffer */
+#define SER_ERR_INIT_FAILED     0x08    /* Initialization failed */
 #define SER_ERR_INV_IOCTL       0x09    /* IOCTL not supported */
 #define SER_ERR_INSTALLED       0x0A    /* A driver is already installed */
 
@@ -123,7 +123,7 @@ struct ser_params {
 
 
 /*****************************************************************************/
-/*				     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/setjmp.h b/include/setjmp.h
index 0befe8163..460829e38 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   setjmp.h				     */
+/*                                 setjmp.h                                  */
 /*                                                                           */
-/*				Nonlocal jumps				     */
+/*                              Nonlocal jumps                               */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -43,7 +43,7 @@ typedef char jmp_buf [5];
 
 
 int __fastcall__ _setjmp (jmp_buf buf);
-#define setjmp	_setjmp		/* ISO insists on a macro */
+#define setjmp  _setjmp         /* ISO insists on a macro */
 void __fastcall__ longjmp (jmp_buf buf, int retval) __attribute__((noreturn));
 
 
diff --git a/include/stdarg.h b/include/stdarg.h
index 4fd822b2a..adf73483c 100644
--- a/include/stdarg.h
+++ b/include/stdarg.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   stdarg.h				     */
+/*                                 stdarg.h                                  */
 /*                                                                           */
-/*			      Variable arguments			     */
+/*                            Variable arguments                             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,10 +40,10 @@
 
 typedef unsigned char* va_list;
 
-#define va_start(ap, fix)      	ap = ((va_list)&(fix))
-#define va_arg(ap,type)	       	(*(type*)(ap -= ((sizeof (type) + 1) & ~1)))
+#define va_start(ap, fix)       ap = ((va_list)&(fix))
+#define va_arg(ap,type)         (*(type*)(ap -= ((sizeof (type) + 1) & ~1)))
 #if __CC65_STD__ >= __CC65_STD_C99__
-#define va_copy(dest, src)	((dest)=(src))
+#define va_copy(dest, src)      ((dest)=(src))
 #endif
 #define va_end(ap)
 
diff --git a/include/stdbool.h b/include/stdbool.h
index 638d35a58..137dde708 100644
--- a/include/stdbool.h
+++ b/include/stdbool.h
@@ -1,9 +1,9 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   stdbool.h				     */
-/*									     */
-/*			    C99 Boolean definitions			     */
-/*									     */
+/*                                 stdbool.h                                 */
+/*                                                                           */
+/*                          C99 Boolean definitions                          */
+/*                                                                           */
 /*                                                                           */
 /*                                                                           */
 /* (C) 2002 Greg King                                                        */
@@ -11,20 +11,20 @@
 /*                                                                           */
 /* This software is provided "as-is," without any expressed or implied       */
 /* warranty.  In no event will the authors be held liable for any damages    */
-/* arising from the use of this software.				     */
-/*									     */
+/* arising from the use of this software.                                    */
+/*                                                                           */
 /* Permission is granted to anyone to use this software for any purpose,     */
-/* including commercial applications, and to alter and redistribute it	     */
-/* freely, subject to the following restrictions:			     */
-/*									     */
+/* including commercial applications, and to alter and redistribute it       */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
 /* 1. The origin of this software must not be misrepresented; you must not   */
 /*    claim that you wrote the original software.  If you use this software  */
-/*    in a product, an acknowledgment, in the product's documentation,	     */
-/*    would be appreciated, but is not required.			     */
-/* 2. Alterred source versions must be marked plainly as such,		     */
-/*    and must not be misrepresented as being the original software.	     */
-/* 3. This notice may not be removed or alterred		 	     */
-/*    from any source distribution.					     */
+/*    in a product, an acknowledgment, in the product's documentation,       */
+/*    would be appreciated, but is not required.                             */
+/* 2. Alterred source versions must be marked plainly as such,               */
+/*    and must not be misrepresented as being the original software.         */
+/* 3. This notice may not be removed or alterred                             */
+/*    from any source distribution.                                          */
 /*****************************************************************************/
 
 
diff --git a/include/stddef.h b/include/stddef.h
index eff0c55bd..3230a32b0 100644
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*	     			   stddef.h				     */
+/*                                 stddef.h                                  */
 /*                                                                           */
-/*	     		      Common definitions			     */
+/*                            Common definitions                             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -54,12 +54,12 @@ typedef unsigned size_t;
 
 /* NULL pointer */
 #ifndef _HAVE_NULL
-#define NULL	0
+#define NULL    0
 #define _HAVE_NULL
 #endif
 
 /* offsetof macro */
-#define offsetof(type, member)	(size_t) (&((type*) 0)->member)
+#define offsetof(type, member)  (size_t) (&((type*) 0)->member)
 
 
 
diff --git a/include/stdio.h b/include/stdio.h
index c29fa4901..6f2f9c3f8 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    stdio.h				     */
+/*                                  stdio.h                                  */
 /*                                                                           */
-/*				 Input/output				     */
+/*                               Input/output                                */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -57,33 +57,33 @@ extern FILE* stdout;
 extern FILE* stderr;
 
 /* Standard defines */
-#define _IOFBF		0
-#define _IOLBF		1
-#define _IONBF		2
-#define BUFSIZ		256
-#define EOF 	      	-1
-#define FOPEN_MAX	8
-#define SEEK_CUR	0
-#define SEEK_END	1
-#define SEEK_SET	2
-#define TMP_MAX		256
+#define _IOFBF          0
+#define _IOLBF          1
+#define _IONBF          2
+#define BUFSIZ          256
+#define EOF             -1
+#define FOPEN_MAX       8
+#define SEEK_CUR        0
+#define SEEK_END        1
+#define SEEK_SET        2
+#define TMP_MAX         256
 
 /* Standard defines that are platform dependent */
 #if defined(__APPLE2__) || defined(__APPLE2ENH__)
-#  define FILENAME_MAX	(64+1)
+#  define FILENAME_MAX  (64+1)
 #elif defined(__ATARI__)
-#  define FILENAME_MAX	(12+1)
+#  define FILENAME_MAX  (12+1)
 #elif defined(__LUNIX__)
 #  define FILENAME_MAX  (80+1)
 #else
 #  define FILENAME_MAX  (16+1)
 #endif
-#define L_tmpnam	FILENAME_MAX
+#define L_tmpnam        FILENAME_MAX
 
 
 
 /*****************************************************************************/
-/*     	    	     		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
@@ -132,14 +132,14 @@ int __fastcall__ vsscanf (const char* s, const char* format, va_list ap);
 int __fastcall__ vfscanf (FILE* f, const char* format, va_list ap);
 
 #if __CC65_STD__ == __CC65_STD_CC65__
-FILE* __fastcall__ fdopen (int fd, const char* mode); 	/* Unix */
-int __fastcall__ fileno (FILE* f);			/* Unix */
+FILE* __fastcall__ fdopen (int fd, const char* mode);   /* Unix */
+int __fastcall__ fileno (FILE* f);                      /* Unix */
 #endif
-void __fastcall__ _poserror (const char* msg);  	/* cc65 */
+void __fastcall__ _poserror (const char* msg);          /* cc65 */
 
 /* Masking macros for some functions */
-#define getc(f)	       	fgetc (f)     		/* ANSI */
-#define putc(c, f)     	fputc (c, f)  		/* ANSI */
+#define getc(f)         fgetc (f)               /* ANSI */
+#define putc(c, f)      fputc (c, f)            /* ANSI */
 
 
 
diff --git a/include/stdlib.h b/include/stdlib.h
index 57e7f6166..026e19198 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   stdlib.h				     */
+/*                                 stdlib.h                                  */
 /*                                                                           */
-/*			       General utilities			     */
+/*                             General utilities                             */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -45,8 +45,8 @@ typedef unsigned size_t;
 #endif
 
 /* Standard exit codes */
-#define EXIT_SUCCESS	0
-#define EXIT_FAILURE	1
+#define EXIT_SUCCESS    0
+#define EXIT_FAILURE    1
 
 /* Return type of the div function */
 typedef struct {
@@ -94,7 +94,7 @@ size_t _heapmaxavail (void);
 
 
 /* Random numbers */
-#define	RAND_MAX   	0x7FFF
+#define RAND_MAX        0x7FFF
 int rand (void);
 void __fastcall__ srand (unsigned seed);
 void _randomize (void);         /* Non-standard */
@@ -107,12 +107,12 @@ int __fastcall__ atoi (const char* s);
 long __fastcall__ atol (const char* s);
 int __fastcall__ atexit (void (*exitfunc) (void));
 void* __fastcall__ bsearch (const void* key, const void* base, size_t n,
-	                    size_t size, int (*cmp) (const void*, const void*));
+                            size_t size, int (*cmp) (const void*, const void*));
 div_t __fastcall__ div (int numer, int denom);
 void __fastcall__ exit (int ret) __attribute__ ((noreturn));
 char* __fastcall__ getenv (const char* name);
 void __fastcall__ qsort (void* base, size_t count, size_t size,
-	                 int (*compare) (const void*, const void*));
+                         int (*compare) (const void*, const void*));
 long __fastcall__ strtol (const char* nptr, char** endptr, int base);
 unsigned long __fastcall__ strtoul (const char* nptr, char** endptr, int base);
 int __fastcall__ system (const char* s);
diff --git a/include/string.h b/include/string.h
index 7eb69959c..19cfba27e 100644
--- a/include/string.h
+++ b/include/string.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				   string.h   				     */
+/*                                 string.h                                  */
 /*                                                                           */
-/*				String handling				     */
+/*                              String handling                              */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -72,7 +72,7 @@ void* __fastcall__ _bzero (void* ptr, size_t n);
 /* Non standard: */
 #if __CC65_STD__ == __CC65_STD_CC65__
 void __fastcall__ bzero (void* ptr, size_t n);                /* BSD */
-char* __fastcall__ strdup (const char* s);		      /* SYSV/BSD */
+char* __fastcall__ strdup (const char* s);                    /* SYSV/BSD */
 int __fastcall__ stricmp (const char* s1, const char* s2);    /* DOS/Windows */
 int __fastcall__ strcasecmp (const char* s1, const char* s2); /* Same for Unix */
 int __fastcall__ strnicmp (const char* s1, const char* s2, size_t count);     /* DOS/Windows */
diff --git a/include/supervision.h b/include/supervision.h
index 85748e0a2..332fe973b 100644
--- a/include/supervision.h
+++ b/include/supervision.h
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*                               supervision.h                               */
 /*                                                                           */
-/*		       Supervision specific definitions			     */
+/*                     Supervision specific definitions                      */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -11,20 +11,20 @@
 /*                                                                           */
 /* This software is provided "as-is," without any expressed or implied       */
 /* warranty.  In no event will the authors be held liable for any damages    */
-/* arising from the use of this software.				     */
-/*									     */
+/* arising from the use of this software.                                    */
+/*                                                                           */
 /* Permission is granted to anyone to use this software for any purpose,     */
-/* including commercial applications, and to alter and redistribute it	     */
-/* freely, subject to the following restrictions:			     */
-/*									     */
+/* including commercial applications, and to alter and redistribute it       */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
 /* 1. The origin of this software must not be misrepresented; you must not   */
 /*    claim that you wrote the original software.  If you use this software  */
-/*    in a product, an acknowledgment, in the product's documentation,	     */
-/*    would be appreciated, but is not required.			     */
-/* 2. Alterred source versions must be marked plainly as such,		     */
-/*    and must not be misrepresented as being the original software.	     */
-/* 3. This notice may not be removed or alterred		 	     */
-/*    from any source distribution.					     */
+/*    in a product, an acknowledgment, in the product's documentation,       */
+/*    would be appreciated, but is not required.                             */
+/* 2. Alterred source versions must be marked plainly as such,               */
+/*    and must not be misrepresented as being the original software.         */
+/* 3. This notice may not be removed or alterred                             */
+/*    from any source distribution.                                          */
 /*                                                                           */
 /*****************************************************************************/
 
@@ -43,7 +43,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -89,8 +89,8 @@ struct __sv_dma {
 
 #define SV_BANK  (*(unsigned char*)0x2026)
 #define SV_BANK_COMBINE(nmi,irq_timer,irq_dma,lcd_on, timer_prescale, bank) \
-	((nmi)?1:0)|((irq_timer)?2:0)|((irq_dma)?4:0)|((lcd_on)?8:0) \
-	|((timer_prescale)?0x10:0)|((bank)<<5)
+        ((nmi)?1:0)|((irq_timer)?2:0)|((irq_dma)?4:0)|((lcd_on)?8:0) \
+        |((timer_prescale)?0x10:0)|((bank)<<5)
 
 #define SV_VIDEO ((unsigned char*)0x4000)
 #define SV_TIMER_COUNT (*(unsigned char*)0x2023)
diff --git a/include/sys/types.h b/include/sys/types.h
index 087bff5d8..9b1e9610f 100644
--- a/include/sys/types.h
+++ b/include/sys/types.h
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -53,7 +53,7 @@ typedef long int off_t;
 
 
 /*****************************************************************************/
-/*	       	   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/sys/utsname.h b/include/sys/utsname.h
index 0cf2cc4b4..28feecc46 100644
--- a/include/sys/utsname.h
+++ b/include/sys/utsname.h
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data				     */
+/*                                   Data                                    */
 /*****************************************************************************/
                    
 
@@ -80,7 +80,7 @@ struct utsname {
 
 
 /*****************************************************************************/
-/*	       	   		     Code				     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/tgi.h b/include/tgi.h
index 661403370..a43eb0cc3 100644
--- a/include/tgi.h
+++ b/include/tgi.h
@@ -70,7 +70,7 @@ typedef struct tgi_vectorfont tgi_vectorfont;
 
 
 /*****************************************************************************/
-/* 	      	  		   Functions	     			     */
+/*                                 Functions                                 */
 /*****************************************************************************/
 
 
diff --git a/include/tgi/tgi-error.h b/include/tgi/tgi-error.h
index e8dd9c236..334feaa1f 100644
--- a/include/tgi/tgi-error.h
+++ b/include/tgi/tgi-error.h
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*				     Data                                    */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -50,7 +50,7 @@
 #define TGI_ERR_INV_DRIVER      3       /* Invalid driver */
 #define TGI_ERR_INV_MODE        4       /* Mode not supported by driver */
 #define TGI_ERR_INV_ARG         5       /* Invalid function argument */
-#define TGI_ERR_INV_FUNC	6	/* Function not supported */
+#define TGI_ERR_INV_FUNC        6       /* Function not supported */
 #define TGI_ERR_INV_FONT        7       /* Font file is invalid */
 #define TGI_ERR_NO_RES          8       /* Out of resources */
 #define TGI_ERR_INSTALLED       9       /* A driver is already installed */
diff --git a/include/tgi/tgi-kernel.h b/include/tgi/tgi-kernel.h
index 3d0bbda84..8367e4453 100644
--- a/include/tgi/tgi-kernel.h
+++ b/include/tgi/tgi-kernel.h
@@ -39,13 +39,13 @@
 
 
 /*****************************************************************************/
-/*				     Data                                    */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* TGI kernel variables */
-extern void*   	     tgi_drv;           /* Pointer to driver */
+extern void*         tgi_drv;           /* Pointer to driver */
 extern unsigned char tgi_error;         /* Last error code */
 extern unsigned char tgi_gmode;         /* Flag: Graphics mode active */
 extern int           tgi_curx;          /* Current drawing cursor X */
diff --git a/include/tgi/tgi-vectorfont.h b/include/tgi/tgi-vectorfont.h
index bf36f8b0b..82513b271 100644
--- a/include/tgi/tgi-vectorfont.h
+++ b/include/tgi/tgi-vectorfont.h
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*		  		     Data                                    */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
@@ -71,7 +71,7 @@ struct tgi_vectorfont {
 
 
 /*****************************************************************************/
-/*		  		     Code                                    */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
diff --git a/include/time.h b/include/time.h
index a38508000..507d7e29a 100644
--- a/include/time.h
+++ b/include/time.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				    time.h				     */
+/*                                  time.h                                   */
 /*                                                                           */
-/*				 Date and time				     */
+/*                               Date and time                               */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -40,7 +40,7 @@
 
 /* NULL pointer */
 #ifndef _HAVE_NULL
-#define NULL	0
+#define NULL    0
 #define _HAVE_NULL
 #endif
 
@@ -55,7 +55,7 @@ typedef unsigned long clock_t;
 
 /* Structure for broken down time */
 struct tm {     
-    int	    tm_sec;
+    int     tm_sec;
     int     tm_min;
     int     tm_hour;
     int     tm_mday;
@@ -79,32 +79,32 @@ extern struct _timezone {
 #if defined(__ATARI__)
 /* The clock depends on the video standard, so read it at runtime */
 unsigned _clocks_per_sec (void);
-#  define CLK_TCK		_clocks_per_sec()
-#  define CLOCKS_PER_SEC	_clocks_per_sec()
+#  define CLK_TCK               _clocks_per_sec()
+#  define CLOCKS_PER_SEC        _clocks_per_sec()
 #elif defined(__ATMOS__)
-#  define CLK_TCK      	       	100	/* POSIX */
-#  define CLOCKS_PER_SEC	100    	/* ANSI */
+#  define CLK_TCK               100     /* POSIX */
+#  define CLOCKS_PER_SEC        100     /* ANSI */
 #elif defined(__CBM__)
 #  if defined(__CBM510__) || defined(__CBM610__)
 /* The 510/610 gets its clock from the AC current */
-#    define CLK_TCK    	       	50 	/* POSIX */
-#    define CLOCKS_PER_SEC	50	/* ANSI */
+#    define CLK_TCK             50      /* POSIX */
+#    define CLOCKS_PER_SEC      50      /* ANSI */
 #  else
-#    define CLK_TCK	  	60	/* POSIX */
-#    define CLOCKS_PER_SEC	60     	/* ANSI */
+#    define CLK_TCK             60      /* POSIX */
+#    define CLOCKS_PER_SEC      60      /* ANSI */
 #  endif
 #elif defined(__NES__)
-#  define CLK_TCK    	       	50 	/* POSIX */
-#  define CLOCKS_PER_SEC	50	/* ANSI */
+#  define CLK_TCK               50      /* POSIX */
+#  define CLOCKS_PER_SEC        50      /* ANSI */
 #elif  defined(__GEOS__)
-#  define CLK_TCK		1	/* POSIX */
-#  define CLOCKS_PER_SEC	1	/* ANSI */
+#  define CLK_TCK               1       /* POSIX */
+#  define CLOCKS_PER_SEC        1       /* ANSI */
 #elif defined(__LYNX__)
 /* The clock-rate depends on the video scan-rate;
 ** so, read it at run-time. */
 extern clock_t _clk_tck (void);
-#  define CLK_TCK		_clk_tck()
-#  define CLOCKS_PER_SEC	_clk_tck()
+#  define CLK_TCK               _clk_tck()
+#  define CLOCKS_PER_SEC        _clk_tck()
 #endif
 
 
diff --git a/include/unistd.h b/include/unistd.h
index fb401be89..05b60f1fd 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -39,15 +39,15 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data	   			     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 /* Predefined file handles */
-#define STDIN_FILENO	0
-#define STDOUT_FILENO	1
-#define STDERR_FILENO	2
+#define STDIN_FILENO    0
+#define STDOUT_FILENO   1
+#define STDERR_FILENO   2
 
 /* WE need size_t */
 #ifndef _HAVE_size_t
@@ -68,7 +68,7 @@ extern int optind, opterr, optopt;
 
 
 /*****************************************************************************/
-/*		   		     Code	   			     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
@@ -77,12 +77,12 @@ extern int optind, opterr, optopt;
 int __fastcall__ write (int fd, const void* buf, unsigned count);
 int __fastcall__ read (int fd, void* buf, unsigned count);
 off_t __fastcall__ lseek (int fd, off_t offset, int whence);
-int __fastcall__ unlink (const char* name);	/* Same as remove() */
+int __fastcall__ unlink (const char* name);     /* Same as remove() */
 
 /* Directories */
 int __fastcall__ chdir (const char* name);
 char* __fastcall__ getcwd (char* buf, size_t size);
-int mkdir (const char* name, ...);	  	/* May take a mode argument */
+int mkdir (const char* name, ...);              /* May take a mode argument */
 int __fastcall__ rmdir (const char* name);
 
 /* Others */
diff --git a/include/vic20.h b/include/vic20.h
index 378e32b4e..c675de6d2 100644
--- a/include/vic20.h
+++ b/include/vic20.h
@@ -1,8 +1,8 @@
 /*****************************************************************************/
 /*                                                                           */
-/*				     vic20.h			       	     */
+/*                                   vic20.h                                 */
 /*                                                                           */
-/*		        vic20 system specific definitions		     */
+/*                      vic20 system specific definitions                    */
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
@@ -46,55 +46,55 @@
 
 
 /* Additional key defines */
-#define CH_F1			133
-#define CH_F2			137
-#define CH_F3			134
-#define CH_F4			138
-#define CH_F5			135
-#define CH_F6			139
-#define CH_F7			136
-#define CH_F8			140
+#define CH_F1                   133
+#define CH_F2                   137
+#define CH_F3                   134
+#define CH_F4                   138
+#define CH_F5                   135
+#define CH_F6                   139
+#define CH_F7                   136
+#define CH_F8                   140
 
 
 
 /* Color defines */
-#define COLOR_BLACK  	       	0x00
-#define COLOR_WHITE  	       	0x01
-#define COLOR_RED    	       	0x02
-#define COLOR_CYAN      	0x03
-#define COLOR_VIOLET 	       	0x04
-#define COLOR_GREEN  	       	0x05
-#define COLOR_BLUE   	       	0x06
-#define COLOR_YELLOW 	       	0x07
-#define COLOR_ORANGE 	       	0x08
-#define COLOR_BROWN  	       	0x09
-#define COLOR_LIGHTRED       	0x0A
-#define COLOR_GRAY1  	       	0x0B
-#define COLOR_GRAY2  	       	0x0C
-#define COLOR_LIGHTGREEN     	0x0D
-#define COLOR_LIGHTBLUE      	0x0E
-#define COLOR_GRAY3  	       	0x0F
+#define COLOR_BLACK             0x00
+#define COLOR_WHITE             0x01
+#define COLOR_RED               0x02
+#define COLOR_CYAN              0x03
+#define COLOR_VIOLET            0x04
+#define COLOR_GREEN             0x05
+#define COLOR_BLUE              0x06
+#define COLOR_YELLOW            0x07
+#define COLOR_ORANGE            0x08
+#define COLOR_BROWN             0x09
+#define COLOR_LIGHTRED          0x0A
+#define COLOR_GRAY1             0x0B
+#define COLOR_GRAY2             0x0C
+#define COLOR_LIGHTGREEN        0x0D
+#define COLOR_LIGHTBLUE         0x0E
+#define COLOR_GRAY3             0x0F
 
 
 
 /* Define hardware */
 #include <_vic.h>
-#define VIC    	(*(struct __vic*)0x9000)
+#define VIC     (*(struct __vic*)0x9000)
 
 #include <_6522.h>
-#define VIA1   	(*(struct __6522*)0x9110)
-#define VIA2	(*(struct __6522*)0x9120)
+#define VIA1    (*(struct __6522*)0x9110)
+#define VIA2    (*(struct __6522*)0x9120)
 
 
 
 /* Define special memory areas */
-#define COLOR_RAM	((unsigned char*)0x9600)
+#define COLOR_RAM       ((unsigned char*)0x9600)
 
 
 
 /* The addresses of the static drivers */
 extern void vic20_ptvjoy_joy[];
-extern void vic20_stdjoy_joy[];		/* Referred to by joy_static_stddrv[] */
+extern void vic20_stdjoy_joy[];         /* Referred to by joy_static_stddrv[] */
 
 
 
diff --git a/libsrc/apple2/_scrsize.s b/libsrc/apple2/_scrsize.s
index 62988ae16..7d1079e15 100644
--- a/libsrc/apple2/_scrsize.s
+++ b/libsrc/apple2/_scrsize.s
@@ -4,14 +4,14 @@
 ; Screen size variables
 ;
 
-        .export	      	screensize
+        .export         screensize
 
         .include        "apple2.inc"
 
 screensize:
-        ldx	WNDWDTH
-        lda	WNDBTM
+        ldx     WNDWDTH
+        lda     WNDBTM
         sec
-        sbc	WNDTOP
+        sbc     WNDTOP
         tay
         rts
diff --git a/libsrc/apple2/break.s b/libsrc/apple2/break.s
index e645bfde9..9129dde96 100644
--- a/libsrc/apple2/break.s
+++ b/libsrc/apple2/break.s
@@ -5,14 +5,14 @@
 ; void reset_brk (void);
 ;
 
-       	.export	   	_set_brk, _reset_brk
-	.destructor	_reset_brk
+        .export         _set_brk, _reset_brk
+        .destructor     _reset_brk
 
         ; Be sure to export the following variables absolute
-       	.export	       	_brk_a: abs, _brk_x: abs, _brk_y: abs
+        .export         _brk_a: abs, _brk_x: abs, _brk_y: abs
         .export         _brk_sr: abs, _brk_pc: abs
 
-	.include   	"apple2.inc"
+        .include        "apple2.inc"
 
 _brk_a = $45
 _brk_x = $46
@@ -22,51 +22,51 @@ _brk_sp = $49
 _brk_pc = $3A
 
 .bss
-oldvec:       	.res	2   		; Old vector
+oldvec:         .res    2               ; Old vector
 
 
 .data
-uservec:    	jmp	$FFFF		; Patched at runtime
+uservec:        jmp     $FFFF           ; Patched at runtime
 
 
 .code
 
 ; Set the break vector
-.proc	_set_brk
+.proc   _set_brk
 
-	sta	uservec+1
-  	stx	uservec+2 	; Set the user vector
+        sta     uservec+1
+        stx     uservec+2       ; Set the user vector
 
-	lda	oldvec
-	ora	oldvec+1	; Did we save the vector already?
-       	bne	L1		; Jump if we installed the handler already
+        lda     oldvec
+        ora     oldvec+1        ; Did we save the vector already?
+        bne     L1              ; Jump if we installed the handler already
 
-	lda	BRKVec
- 	sta    	oldvec
- 	lda 	BRKVec+1
- 	sta	oldvec+1	; Save the old vector
+        lda     BRKVec
+        sta     oldvec
+        lda     BRKVec+1
+        sta     oldvec+1        ; Save the old vector
 
-L1:	lda	#brk_handler
-	sta	BRKVec
-	stx	BRKVec+1
-	rts
+L1:     lda     #brk_handler
+        sta     BRKVec
+        stx     BRKVec+1
+        rts
 
 .endproc
 
 
 ; Reset the break vector
-.proc	_reset_brk
-
-	lda  	oldvec
-	ldx  	oldvec+1
-	beq  	@L9		; Jump if vector not installed
-	sta    	BRKVec
-	stx  	BRKVec+1
-	lda	#$00
-	sta	oldvec		; Clear the old vector
-	stx	oldvec+1
-@L9:	rts
+.proc   _reset_brk
+
+        lda     oldvec
+        ldx     oldvec+1
+        beq     @L9             ; Jump if vector not installed
+        sta     BRKVec
+        stx     BRKVec+1
+        lda     #$00
+        sta     oldvec          ; Clear the old vector
+        stx     oldvec+1
+@L9:    rts
 
 .endproc
 
@@ -74,39 +74,39 @@ L1:	lda	#_____
-       	.byte  	CT_NONE                 ;  63/3f _____?_____
+        .byte   CT_CTRL                 ;   0/00 ___ctrl_@___
+        .byte   CT_CTRL                 ;   1/01 ___ctrl_A___
+        .byte   CT_CTRL                 ;   2/02 ___ctrl_B___
+        .byte   CT_CTRL                 ;   3/03 ___ctrl_C___
+        .byte   CT_CTRL                 ;   4/04 ___ctrl_D___
+        .byte   CT_CTRL                 ;   5/05 ___ctrl_E___
+        .byte   CT_CTRL                 ;   6/06 ___ctrl_F___
+        .byte   CT_CTRL                 ;   7/07 ___ctrl_G___
+        .byte   CT_CTRL                 ;   8/08 ___ctrl_H___
+        .byte   CT_CTRL | CT_OTHER_WS | CT_SPACE_TAB
+                                        ;   9/09 ___ctrl_I___
+        .byte   CT_CTRL | CT_OTHER_WS   ;  10/0a ___ctrl_J___
+        .byte   CT_CTRL | CT_OTHER_WS   ;  11/0b ___ctrl_K___
+        .byte   CT_CTRL | CT_OTHER_WS   ;  12/0c ___ctrl_L___
+        .byte   CT_CTRL | CT_OTHER_WS   ;  13/0d ___ctrl_M___
+        .byte   CT_CTRL                 ;  14/0e ___ctrl_N___
+        .byte   CT_CTRL                 ;  15/0f ___ctrl_O___
+        .byte   CT_CTRL                 ;  16/10 ___ctrl_P___
+        .byte   CT_CTRL                 ;  17/11 ___ctrl_Q___
+        .byte   CT_CTRL                 ;  18/12 ___ctrl_R___
+        .byte   CT_CTRL                 ;  19/13 ___ctrl_S___
+        .byte   CT_CTRL                 ;  20/14 ___ctrl_T___
+        .byte   CT_CTRL                 ;  21/15 ___ctrl_U___
+        .byte   CT_CTRL                 ;  22/16 ___ctrl_V___
+        .byte   CT_CTRL                 ;  23/17 ___ctrl_W___
+        .byte   CT_CTRL                 ;  24/18 ___ctrl_X___
+        .byte   CT_CTRL                 ;  25/19 ___ctrl_Y___
+        .byte   CT_CTRL                 ;  26/1a ___ctrl_Z___
+        .byte   CT_CTRL                 ;  27/1b ___ctrl_[___
+        .byte   CT_CTRL                 ;  28/1c ___ctrl_\___
+        .byte   CT_CTRL                 ;  29/1d ___ctrl_]___
+        .byte   CT_CTRL                 ;  30/1e ___ctrl_^___
+        .byte   CT_CTRL                 ;  31/1f ___ctrl_____
+        .byte   CT_SPACE | CT_SPACE_TAB ;  32/20 ___SPACE___
+        .byte   CT_NONE                 ;  33/21 _____!_____
+        .byte   CT_NONE                 ;  34/22 _____"_____
+        .byte   CT_NONE                 ;  35/23 _____#_____
+        .byte   CT_NONE                 ;  36/24 _____$_____
+        .byte   CT_NONE                 ;  37/25 _____%_____
+        .byte   CT_NONE                 ;  38/26 _____&_____
+        .byte   CT_NONE                 ;  39/27 _____'_____
+        .byte   CT_NONE                 ;  40/28 _____(_____
+        .byte   CT_NONE                 ;  41/29 _____)_____
+        .byte   CT_NONE                 ;  42/2a _____*_____
+        .byte   CT_NONE                 ;  43/2b _____+_____
+        .byte   CT_NONE                 ;  44/2c _____,_____
+        .byte   CT_NONE                 ;  45/2d _____-_____
+        .byte   CT_NONE                 ;  46/2e _____._____
+        .byte   CT_NONE                 ;  47/2f _____/_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  48/30 _____0_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  49/31 _____1_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  50/32 _____2_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  51/33 _____3_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  52/34 _____4_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  53/35 _____5_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  54/36 _____6_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  55/37 _____7_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  56/38 _____8_____
+        .byte   CT_DIGIT | CT_XDIGIT    ;  57/39 _____9_____
+        .byte   CT_NONE                 ;  58/3a _____:_____
+        .byte   CT_NONE                 ;  59/3b _____;_____
+        .byte   CT_NONE                 ;  60/3c _____<_____
+        .byte   CT_NONE                 ;  61/3d _____=_____
+        .byte   CT_NONE                 ;  62/3e _____>_____
+        .byte   CT_NONE                 ;  63/3f _____?_____
 
-       	.byte  	CT_NONE                 ;  64/40 _____@_____
-	.byte	CT_UPPER | CT_XDIGIT	;  65/41 _____A_____
-	.byte	CT_UPPER | CT_XDIGIT	;  66/42 _____B_____
-	.byte	CT_UPPER | CT_XDIGIT	;  67/43 _____C_____
-	.byte	CT_UPPER | CT_XDIGIT	;  68/44 _____D_____
-	.byte	CT_UPPER | CT_XDIGIT	;  69/45 _____E_____
-	.byte	CT_UPPER | CT_XDIGIT	;  70/46 _____F_____
-	.byte	CT_UPPER		;  71/47 _____G_____
-	.byte	CT_UPPER		;  72/48 _____H_____
-	.byte	CT_UPPER		;  73/49 _____I_____
-	.byte	CT_UPPER		;  74/4a _____J_____
-	.byte	CT_UPPER		;  75/4b _____K_____
-	.byte	CT_UPPER		;  76/4c _____L_____
-	.byte	CT_UPPER		;  77/4d _____M_____
-	.byte	CT_UPPER		;  78/4e _____N_____
-	.byte	CT_UPPER		;  79/4f _____O_____
-	.byte	CT_UPPER		;  80/50 _____P_____
-	.byte	CT_UPPER		;  81/51 _____Q_____
-	.byte	CT_UPPER		;  82/52 _____R_____
-	.byte	CT_UPPER		;  83/53 _____S_____
-	.byte	CT_UPPER		;  84/54 _____T_____
-	.byte	CT_UPPER		;  85/55 _____U_____
-	.byte	CT_UPPER		;  86/56 _____V_____
-	.byte	CT_UPPER		;  87/57 _____W_____
-	.byte	CT_UPPER		;  88/58 _____X_____
-	.byte	CT_UPPER		;  89/59 _____Y_____
-	.byte	CT_UPPER		;  90/5a _____Z_____
-       	.byte  	CT_NONE                 ;  91/5b _____[_____
-       	.byte  	CT_NONE                 ;  92/5c _____\_____
-       	.byte  	CT_NONE                 ;  93/5d _____]_____
-       	.byte  	CT_NONE                 ;  94/5e _____^_____
-       	.byte  	CT_NONE                 ;  95/5f _UNDERLINE_
-       	.byte  	CT_NONE                 ;  96/60 ___grave___
-	.byte	CT_LOWER | CT_XDIGIT	;  97/61 _____a_____
-	.byte	CT_LOWER | CT_XDIGIT	;  98/62 _____b_____
-	.byte	CT_LOWER | CT_XDIGIT	;  99/63 _____c_____
-	.byte	CT_LOWER | CT_XDIGIT	; 100/64 _____d_____
-	.byte	CT_LOWER | CT_XDIGIT	; 101/65 _____e_____
-	.byte	CT_LOWER | CT_XDIGIT	; 102/66 _____f_____
-	.byte	CT_LOWER		; 103/67 _____g_____
-	.byte	CT_LOWER		; 104/68 _____h_____
-	.byte	CT_LOWER		; 105/69 _____i_____
-	.byte	CT_LOWER		; 106/6a _____j_____
-	.byte	CT_LOWER		; 107/6b _____k_____
-	.byte	CT_LOWER		; 108/6c _____l_____
-	.byte	CT_LOWER		; 109/6d _____m_____
-	.byte	CT_LOWER		; 110/6e _____n_____
-	.byte	CT_LOWER		; 111/6f _____o_____
-	.byte	CT_LOWER		; 112/70 _____p_____
-	.byte	CT_LOWER		; 113/71 _____q_____
-	.byte	CT_LOWER		; 114/72 _____r_____
-	.byte	CT_LOWER		; 115/73 _____s_____
-	.byte	CT_LOWER		; 116/74 _____t_____
-	.byte	CT_LOWER		; 117/75 _____u_____
-	.byte	CT_LOWER		; 118/76 _____v_____
-	.byte	CT_LOWER		; 119/77 _____w_____
-	.byte	CT_LOWER		; 120/78 _____x_____
-	.byte	CT_LOWER		; 121/79 _____y_____
-	.byte	CT_LOWER		; 122/7a _____z_____
-       	.byte  	CT_NONE                 ; 123/7b _____{_____
-       	.byte  	CT_NONE                 ; 124/7c _____|_____
-       	.byte  	CT_NONE                 ; 125/7d _____}_____
-       	.byte  	CT_NONE                 ; 126/7e _____~_____
-	.byte	CT_OTHER_WS		; 127/7f ____DEL____
+        .byte   CT_NONE                 ;  64/40 _____@_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  65/41 _____A_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  66/42 _____B_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  67/43 _____C_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  68/44 _____D_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  69/45 _____E_____
+        .byte   CT_UPPER | CT_XDIGIT    ;  70/46 _____F_____
+        .byte   CT_UPPER                ;  71/47 _____G_____
+        .byte   CT_UPPER                ;  72/48 _____H_____
+        .byte   CT_UPPER                ;  73/49 _____I_____
+        .byte   CT_UPPER                ;  74/4a _____J_____
+        .byte   CT_UPPER                ;  75/4b _____K_____
+        .byte   CT_UPPER                ;  76/4c _____L_____
+        .byte   CT_UPPER                ;  77/4d _____M_____
+        .byte   CT_UPPER                ;  78/4e _____N_____
+        .byte   CT_UPPER                ;  79/4f _____O_____
+        .byte   CT_UPPER                ;  80/50 _____P_____
+        .byte   CT_UPPER                ;  81/51 _____Q_____
+        .byte   CT_UPPER                ;  82/52 _____R_____
+        .byte   CT_UPPER                ;  83/53 _____S_____
+        .byte   CT_UPPER                ;  84/54 _____T_____
+        .byte   CT_UPPER                ;  85/55 _____U_____
+        .byte   CT_UPPER                ;  86/56 _____V_____
+        .byte   CT_UPPER                ;  87/57 _____W_____
+        .byte   CT_UPPER                ;  88/58 _____X_____
+        .byte   CT_UPPER                ;  89/59 _____Y_____
+        .byte   CT_UPPER                ;  90/5a _____Z_____
+        .byte   CT_NONE                 ;  91/5b _____[_____
+        .byte   CT_NONE                 ;  92/5c _____\_____
+        .byte   CT_NONE                 ;  93/5d _____]_____
+        .byte   CT_NONE                 ;  94/5e _____^_____
+        .byte   CT_NONE                 ;  95/5f _UNDERLINE_
+        .byte   CT_NONE                 ;  96/60 ___grave___
+        .byte   CT_LOWER | CT_XDIGIT    ;  97/61 _____a_____
+        .byte   CT_LOWER | CT_XDIGIT    ;  98/62 _____b_____
+        .byte   CT_LOWER | CT_XDIGIT    ;  99/63 _____c_____
+        .byte   CT_LOWER | CT_XDIGIT    ; 100/64 _____d_____
+        .byte   CT_LOWER | CT_XDIGIT    ; 101/65 _____e_____
+        .byte   CT_LOWER | CT_XDIGIT    ; 102/66 _____f_____
+        .byte   CT_LOWER                ; 103/67 _____g_____
+        .byte   CT_LOWER                ; 104/68 _____h_____
+        .byte   CT_LOWER                ; 105/69 _____i_____
+        .byte   CT_LOWER                ; 106/6a _____j_____
+        .byte   CT_LOWER                ; 107/6b _____k_____
+        .byte   CT_LOWER                ; 108/6c _____l_____
+        .byte   CT_LOWER                ; 109/6d _____m_____
+        .byte   CT_LOWER                ; 110/6e _____n_____
+        .byte   CT_LOWER                ; 111/6f _____o_____
+        .byte   CT_LOWER                ; 112/70 _____p_____
+        .byte   CT_LOWER                ; 113/71 _____q_____
+        .byte   CT_LOWER                ; 114/72 _____r_____
+        .byte   CT_LOWER                ; 115/73 _____s_____
+        .byte   CT_LOWER                ; 116/74 _____t_____
+        .byte   CT_LOWER                ; 117/75 _____u_____
+        .byte   CT_LOWER                ; 118/76 _____v_____
+        .byte   CT_LOWER                ; 119/77 _____w_____
+        .byte   CT_LOWER                ; 120/78 _____x_____
+        .byte   CT_LOWER                ; 121/79 _____y_____
+        .byte   CT_LOWER                ; 122/7a _____z_____
+        .byte   CT_NONE                 ; 123/7b _____{_____
+        .byte   CT_NONE                 ; 124/7c _____|_____
+        .byte   CT_NONE                 ; 125/7d _____}_____
+        .byte   CT_NONE                 ; 126/7e _____~_____
+        .byte   CT_OTHER_WS             ; 127/7f ____DEL____
         .endrepeat
 
 
diff --git a/libsrc/apple2/cvline.s b/libsrc/apple2/cvline.s
index 280e4ced3..1ac3fad74 100644
--- a/libsrc/apple2/cvline.s
+++ b/libsrc/apple2/cvline.s
@@ -5,31 +5,31 @@
 ; void __fastcall__ cvline (unsigned char length);
 ;
 
-        .export 	_cvlinexy, _cvline, cvlinedirect
-        .import		popa, _gotoxy, putchar, newline
+        .export         _cvlinexy, _cvline, cvlinedirect
+        .import         popa, _gotoxy, putchar, newline
 
-        .include	"zeropage.inc"
+        .include        "zeropage.inc"
 
 _cvlinexy:
-        pha	    		; Save the length
-        jsr	popa	        ; Get y
-        jsr    	_gotoxy		; Call this one, will pop params
-        pla			; Restore the length and run into _cvline
+        pha                     ; Save the length
+        jsr     popa            ; Get y
+        jsr     _gotoxy         ; Call this one, will pop params
+        pla                     ; Restore the length and run into _cvline
 
 _cvline:
-        .ifdef	__APPLE2ENH__
-        ldx	#'|' | $80	; Vertical line, screen code
+        .ifdef  __APPLE2ENH__
+        ldx     #'|' | $80      ; Vertical line, screen code
         .else
-        ldx	#'!' | $80	; Vertical line, screen code
+        ldx     #'!' | $80      ; Vertical line, screen code
         .endif
 
 cvlinedirect:
-        cmp	#$00		; Is the length zero?
-        beq	done  		; Jump if done
-        sta	tmp1
-:       txa			; Screen code
-        jsr	putchar		; Write, no cursor advance
-        jsr	newline		; Advance cursor to next line
-        dec	tmp1
-        bne	:-
+        cmp     #$00            ; Is the length zero?
+        beq     done            ; Jump if done
+        sta     tmp1
+:       txa                     ; Screen code
+        jsr     putchar         ; Write, no cursor advance
+        jsr     newline         ; Advance cursor to next line
+        dec     tmp1
+        bne     :-
 done:   rts
diff --git a/libsrc/apple2/devicedir.s b/libsrc/apple2/devicedir.s
index b2a6382f8..dea2ba8c5 100644
--- a/libsrc/apple2/devicedir.s
+++ b/libsrc/apple2/devicedir.s
@@ -4,79 +4,79 @@
 ; char* __fastcall__ getdevicedir (unsigned char device, char* buf, size_t size);
 ;
 
-        .export		_getdevicedir
-        .import		popax, popa
+        .export         _getdevicedir
+        .import         popax, popa
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "mli.inc"
 
 _getdevicedir:
         ; Save size
-        sta	ptr2
-        stx	ptr2+1
+        sta     ptr2
+        stx     ptr2+1
 
         ; Save buf
-        jsr	popax
-        sta	ptr1
-        stx	ptr1+1
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
 
         ; Set buf
-        sta	mliparam + MLI::ON_LINE::DATA_BUFFER
-        stx	mliparam + MLI::ON_LINE::DATA_BUFFER+1
+        sta     mliparam + MLI::ON_LINE::DATA_BUFFER
+        stx     mliparam + MLI::ON_LINE::DATA_BUFFER+1
 
         ; Set device
-        jsr	popa
+        jsr     popa
         asl
         asl
         asl
         asl
-        sta	mliparam + MLI::ON_LINE::UNIT_NUM
+        sta     mliparam + MLI::ON_LINE::UNIT_NUM
 
         ; Check for valid slot
-        and	#$70
-        beq	erange
+        and     #$70
+        beq     erange
 
         ; Check for sufficient buf size
-        lda	ptr2+1
-        bne	:++		; Buf >= 256
-        lda	ptr2
-        cmp	#17
-        bcs	:++		; Buf >= 17
+        lda     ptr2+1
+        bne     :++             ; Buf >= 256
+        lda     ptr2
+        cmp     #17
+        bcs     :++             ; Buf >= 17
 
         ; Handle errors
-erange: lda	#280
+        lda     #>280
         pha
-        bne	done		; Branch always
+        bne     done            ; Branch always
diff --git a/libsrc/apple2/diosectsize.s b/libsrc/apple2/diosectsize.s
index f9737cdd5..d3ece3779 100644
--- a/libsrc/apple2/diosectsize.s
+++ b/libsrc/apple2/diosectsize.s
@@ -4,15 +4,15 @@
 ; unsigned __fastcall__ dio_query_sectsize (dhandle_t handle);
 ;
 
-        .export 	_dio_query_sectsize
+        .export         _dio_query_sectsize
 
-        .include	"errno.inc"
+        .include        "errno.inc"
 
 _dio_query_sectsize:
         ; Clear error
-        stx	__oserror	; X = 0
+        stx     __oserror       ; X = 0
 
         ; Return ProDOS 8 block size
-        txa			; X = 0
-        ldx	#>512
+        txa                     ; X = 0
+        ldx     #>512
         rts
diff --git a/libsrc/apple2/diowrite.s b/libsrc/apple2/diowrite.s
index 6deb754f2..d031c49d0 100644
--- a/libsrc/apple2/diowrite.s
+++ b/libsrc/apple2/diowrite.s
@@ -4,12 +4,12 @@
 ; unsigned char __fastcall__ dio_write (dhandle_t handle, unsigned sect_num, const void *buffer);
 ;
 
-        .export 	_dio_write
-        .import 	dioprolog, diocommon
+        .export         _dio_write
+        .import         dioprolog, diocommon
 
-        .include	"mli.inc"
+        .include        "mli.inc"
 
 _dio_write:
-        jsr	dioprolog
-        lda	#WRITE_BLOCK_CALL
-        jmp	diocommon
+        jsr     dioprolog
+        lda     #WRITE_BLOCK_CALL
+        jmp     diocommon
diff --git a/libsrc/apple2/dir.h b/libsrc/apple2/dir.h
index 0faffd634..369080c47 100644
--- a/libsrc/apple2/dir.h
+++ b/libsrc/apple2/dir.h
@@ -36,23 +36,23 @@
 
 
 /*****************************************************************************/
-/*	       	   	  	     Data	   			     */
+/*                                   Data                                    */
 /*****************************************************************************/
 
 
 
 struct DIR {
-    int	          fd;
+    int           fd;
     unsigned char entry_length;
     unsigned char entries_per_block;
     unsigned char current_entry;
     union {
-	unsigned char bytes[512];
-	struct {
-	    unsigned      prev_block;
-	    unsigned      next_block;
-	    unsigned char entries[1];
-	} content;
+        unsigned char bytes[512];
+        struct {
+            unsigned      prev_block;
+            unsigned      next_block;
+            unsigned char entries[1];
+        } content;
     } block;
 };
 
diff --git a/libsrc/apple2/dosdetect.s b/libsrc/apple2/dosdetect.s
index 5dcda07a9..68910e3da 100644
--- a/libsrc/apple2/dosdetect.s
+++ b/libsrc/apple2/dosdetect.s
@@ -34,12 +34,12 @@
 
 initdostype:
         lda     $BF00
-        cmp     #$4C		; Is MLI present? (JMP opcode)
+        cmp     #$4C            ; Is MLI present? (JMP opcode)
         bne     done
-        lda     KVERSION	; ProDOS 8 kernel version
+        lda     KVERSION        ; ProDOS 8 kernel version
         cmp     #$10
         bcs     :+
-        ora     #$10		; Make high nibble match major version
+        ora     #$10            ; Make high nibble match major version
 :       sta     __dos_type
 done:   rts
 
diff --git a/libsrc/apple2/emd/a2.auxmem.s b/libsrc/apple2/emd/a2.auxmem.s
index 7a72cfc85..ecf78fc37 100644
--- a/libsrc/apple2/emd/a2.auxmem.s
+++ b/libsrc/apple2/emd/a2.auxmem.s
@@ -5,48 +5,48 @@
 ; Ullrich von Bassewitz, 2002-12-02
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"em-kernel.inc"
-	.include	"em-error.inc"
+        .include        "em-kernel.inc"
+        .include        "em-error.inc"
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; Driver signature
 
-	.byte	$65, $6d, $64		; "emd"
-	.byte	EMD_API_VERSION		; EM API version number
+        .byte   $65, $6d, $64           ; "emd"
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
-	.word	INSTALL
-	.word	DEINSTALL
-	.word	PAGECOUNT
-	.word	MAP
-	.word	USE
-	.word	COMMIT
-	.word	COPYFROM
-	.word	COPYTO
+        .word   INSTALL
+        .word   DEINSTALL
+        .word   PAGECOUNT
+        .word   MAP
+        .word   USE
+        .word   COMMIT
+        .word   COPYFROM
+        .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-BASE	= $0200
-AUXCARD	= $C30C				; Card signature
-AUXMOVE	= $C311				; Auxiliary move routine
-PAGES	= ($C000 - BASE) / 256
+BASE    = $0200
+AUXCARD = $C30C                         ; Card signature
+AUXMOVE = $C311                         ; Auxiliary move routine
+PAGES   = ($C000 - BASE) / 256
 
 ; ------------------------------------------------------------------------
 ; Data.
 
 .data
-curpage:	.byte	$FF		; Current page number (invalid)
+curpage:        .byte   $FF             ; Current page number (invalid)
 
 .bss
-window:		.res	256		; Memory "window"
+window:         .res    256             ; Memory "window"
 
 .code
 
@@ -58,15 +58,15 @@ window:		.res	256		; Memory "window"
 ;
 
 INSTALL:
-	ldx	#0
-	lda	AUXCARD
-	and	#$f0
-	cmp	#$80
-	bne	@L1
-	lda	#EM_ERR_OK
-	rts
-@L1:	lda	#EM_ERR_NO_DEVICE
-;	rts
+        ldx     #0
+        lda     AUXCARD
+        and     #$f0
+        cmp     #$80
+        bne     @L1
+        lda     #EM_ERR_OK
+        rts
+@L1:    lda     #EM_ERR_NO_DEVICE
+;       rts
 
 ; ------------------------------------------------------------------------
 ; DEINSTALL routine. Is called before the driver is removed from memory.
@@ -74,7 +74,7 @@ INSTALL:
 ;
 
 DEINSTALL:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -82,9 +82,9 @@ DEINSTALL:
 ;
 
 PAGECOUNT:
-	lda	#PAGES
-	rts
+        lda     #PAGES
+        rts
 
 ; ------------------------------------------------------------------------
 ; MAP: Map the page in a/x into memory and return a pointer to the page in
@@ -92,83 +92,83 @@ PAGECOUNT:
 ; by the driver.
 ;
 
-MAP:	sta	curpage			; Remember the new page
+MAP:    sta     curpage                 ; Remember the new page
 
-	clc
-	adc	#>BASE
-	sta	ptr1+1
-	ldy	#$00
-	sty	ptr1
+        clc
+        adc     #>BASE
+        sta     ptr1+1
+        ldy     #$00
+        sty     ptr1
 
-	lda	#window
-	sta	ptr2+1
+        lda     #window
+        sta     ptr2+1
 
 ; Transfer one page
 
-	clc				; Direction flag
-	jsr	transfer		; Transfer one page
+        clc                             ; Direction flag
+        jsr     transfer                ; Transfer one page
 
 ; Return the memory window
 
-	lda	#window		; Return the window address
+        lda     #window                ; Return the window address
 
 ; Done
 
-done:	rts
+done:   rts
 
 ; ------------------------------------------------------------------------
 ; USE: Tell the driver that the window is now associated with a given page.
 
-USE:	sta	curpage			; Remember the page
-	lda	#window		; Return the window
-	rts
+USE:    sta     curpage                 ; Remember the page
+        lda     #window                ; Return the window
+        rts
 
 ; ------------------------------------------------------------------------
 ; COMMIT: Commit changes in the memory window to extended storage.
 
-COMMIT: lda	curpage			; Get the current page
-	cmp	#$FF
-	beq	done			; Jump if no page mapped
-
-	clc
-	adc	#>BASE
-	sta	ptr2+1
-	ldy	#$00
-	sty	ptr2
-
-	lda	#window
-	sta	ptr1+1
-	lda	#<$FF
-	sta	ptr4
-	lda	#>$FF
-	sta	ptr4+1
-	sec				; Direction flag
+COMMIT: lda     curpage                 ; Get the current page
+        cmp     #$FF
+        beq     done                    ; Jump if no page mapped
+
+        clc
+        adc     #>BASE
+        sta     ptr2+1
+        ldy     #$00
+        sty     ptr2
+
+        lda     #window
+        sta     ptr1+1
+        lda     #<$FF
+        sta     ptr4
+        lda     #>$FF
+        sta     ptr4+1
+        sec                             ; Direction flag
 
 ; Transfer one page/all bytes
 
 transfer:
-	php
-	clc
-	lda	ptr1
-	sta	$3C
-	adc	ptr4
-	sta	$3E
-	lda	ptr1+1
-	sta	$3D
-	adc	ptr4+1
-	sta	$3F
-	lda	ptr2
-	sta	$42
-	lda	ptr2+1
-	sta	$43
-	plp
-	jmp	AUXMOVE
+        php
+        clc
+        lda     ptr1
+        sta     $3C
+        adc     ptr4
+        sta     $3E
+        lda     ptr1+1
+        sta     $3D
+        adc     ptr4+1
+        sta     $3F
+        lda     ptr2
+        sta     $42
+        lda     ptr2+1
+        sta     $43
+        plp
+        jmp     AUXMOVE
 
 ; ------------------------------------------------------------------------
 ; COPYFROM: Copy from extended into linear memory. A pointer to a structure
@@ -177,34 +177,34 @@ transfer:
 ;
 
 COPYFROM:
-	sta	ptr3
-	stx	ptr3+1			; Save the passed em_copy pointer
-
-	ldy	#EM_COPY::OFFS
-	lda	(ptr3),y
-	sta	ptr1
-	ldy	#EM_COPY::PAGE
-	lda	(ptr3),y
-	clc
-	adc	#>BASE
-	sta	ptr1+1			; From
-
-	ldy	#EM_COPY::BUF
-	lda	(ptr3),y
-	sta	ptr2
-	iny
-	lda	(ptr3),y
-	sta	ptr2+1			; To
-	clc				; Direction flag
-
-common: ldy	#EM_COPY::COUNT
-	lda	(ptr3),y		; Get bytes in last page
-	sta	ptr4
-	iny
-	lda	(ptr3),y		; Get number of pages
-	sta	ptr4+1
-
-	jmp	transfer
+        sta     ptr3
+        stx     ptr3+1                  ; Save the passed em_copy pointer
+
+        ldy     #EM_COPY::OFFS
+        lda     (ptr3),y
+        sta     ptr1
+        ldy     #EM_COPY::PAGE
+        lda     (ptr3),y
+        clc
+        adc     #>BASE
+        sta     ptr1+1                  ; From
+
+        ldy     #EM_COPY::BUF
+        lda     (ptr3),y
+        sta     ptr2
+        iny
+        lda     (ptr3),y
+        sta     ptr2+1                  ; To
+        clc                             ; Direction flag
+
+common: ldy     #EM_COPY::COUNT
+        lda     (ptr3),y                ; Get bytes in last page
+        sta     ptr4
+        iny
+        lda     (ptr3),y                ; Get number of pages
+        sta     ptr4+1
+
+        jmp     transfer
 
 ; ------------------------------------------------------------------------
 ; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -212,24 +212,24 @@ common: ldy	#EM_COPY::COUNT
 ; The function must not return anything.
 ;
 
-COPYTO: sta	ptr3
-	stx	ptr3+1			; Save the passed em_copy pointer
-
-	ldy	#EM_COPY::OFFS
-	lda	(ptr3),y
-	sta	ptr2
-	ldy	#EM_COPY::PAGE
-	lda	(ptr3),y
-	clc
-	adc	#>BASE
-	sta	ptr2+1			; To
-
-	ldy	#EM_COPY::BUF
-	lda	(ptr3),y
-	sta	ptr1
-	iny
-	lda	(ptr3),y
-	sta	ptr1+1			; From
-
-	sec				; Direction flag
-	jmp	common
+COPYTO: sta     ptr3
+        stx     ptr3+1                  ; Save the passed em_copy pointer
+
+        ldy     #EM_COPY::OFFS
+        lda     (ptr3),y
+        sta     ptr2
+        ldy     #EM_COPY::PAGE
+        lda     (ptr3),y
+        clc
+        adc     #>BASE
+        sta     ptr2+1                  ; To
+
+        ldy     #EM_COPY::BUF
+        lda     (ptr3),y
+        sta     ptr1
+        iny
+        lda     (ptr3),y
+        sta     ptr1+1                  ; From
+
+        sec                             ; Direction flag
+        jmp     common
diff --git a/libsrc/apple2/exec.s b/libsrc/apple2/exec.s
index 2660b6f86..914e10c50 100644
--- a/libsrc/apple2/exec.s
+++ b/libsrc/apple2/exec.s
@@ -4,108 +4,108 @@
 ; int __fastcall__ exec (const char* progname, const char* cmdline);
 ;
 
-        .export 	_exec
-        .import		pushname, popname
-        .import		popax, done, _exit
+        .export         _exec
+        .import         pushname, popname
+        .import         popax, done, _exit
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"apple2.inc"
-        .include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "apple2.inc"
+        .include        "mli.inc"
 
         ; Wrong file type
-typerr: lda	#$4A		; "Incompatible file format"
+typerr: lda     #$4A            ; "Incompatible file format"
 
         ; Cleanup name
-oserr:  jsr	popname		; Preserves A
+oserr:  jsr     popname         ; Preserves A
         
         ; Set __oserror
-        jmp	__mappederrno
+        jmp     __mappederrno
 
 _exec:
         ; Get and push name
-        jsr	popax
-        jsr	pushname
-        bne	oserr
+        jsr     popax
+        jsr     pushname
+        bne     oserr
 
         ; Set pushed name
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::INFO::PATHNAME
-        stx	mliparam + MLI::INFO::PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::INFO::PATHNAME
+        stx     mliparam + MLI::INFO::PATHNAME+1
 
         ; Get file_type and aux_type
-        lda	#GET_INFO_CALL
-        ldx	#GET_INFO_COUNT
-        jsr	callmli
-        bcs	oserr
+        lda     #GET_INFO_CALL
+        ldx     #GET_INFO_COUNT
+        jsr     callmli
+        bcs     oserr
 
         ; If we get here the program file at least exists so we copy
         ; the loader stub right now and patch it later to set params
-        ldx	#size - 1
-:       lda	source,x
-        sta	target,x
+        ldx     #size - 1
+:       lda     source,x
+        sta     target,x
         dex
-        bpl	:-
+        bpl     :-
 
         ; Check program file type
-        lda	mliparam + MLI::INFO::FILE_TYPE
-        cmp	#$FF		; SYS file?
-        bne	binary		; No, check for BIN file
+        lda     mliparam + MLI::INFO::FILE_TYPE
+        cmp     #$FF            ; SYS file?
+        bne     binary          ; No, check for BIN file
 
         ; ProDOS TechRefMan, chapter 5.1.5.1:
         ; "The complete or partial pathname of the system program
         ;  is stored at $280, starting with a length byte."
-        ldy	#$00
-        lda	(sp),y
+        ldy     #$00
+        lda     (sp),y
         tay
-:       lda	(sp),y
-        sta	$0280,y
+:       lda     (sp),y
+        sta     $0280,y
         dey
-        bpl	:-
+        bpl     :-
         
         ; SYS programs replace BASIC.SYSTEM so set in the ProDOS system bit map
         ; protection for pages $80 - $BF just in case BASIC.SYSTEM is there now
-        ldx	#$0F		; Start with protection for pages $B8 - $BF
-        lda	#%00000001	; Protect only system global page
-:       sta	$BF60,x		; Set protection for 8 pages
-        lda	#$00		; Protect no page
+        ldx     #$0F            ; Start with protection for pages $B8 - $BF
+        lda     #%00000001      ; Protect only system global page
+:       sta     $BF60,x         ; Set protection for 8 pages
+        lda     #$00            ; Protect no page
         dex
-        bpl	:-
-        bmi	prodos		; Branch always
+        bpl     :-
+        bmi     prodos          ; Branch always
 
-binary: cmp	#$06		; BIN file?
-        bne	typerr		; No, wrong file type
+binary: cmp     #$06            ; BIN file?
+        bne     typerr          ; No, wrong file type
 
         ; Set BIN program load addr
-        lda	mliparam + MLI::INFO::AUX_TYPE
-        ldx	mliparam + MLI::INFO::AUX_TYPE+1
-        sta	data_buffer
-        stx	data_buffer+1
+        lda     mliparam + MLI::INFO::AUX_TYPE
+        ldx     mliparam + MLI::INFO::AUX_TYPE+1
+        sta     data_buffer
+        stx     data_buffer+1
 
         ; Check ProDOS system bit map for presence of BASIC.SYSTEM
-        lda	$BF6F		; Protection for pages $B8 - $BF
-        cmp	#%00000001	; Exactly system global page is protected
-        beq	setvec
+        lda     $BF6F           ; Protection for pages $B8 - $BF
+        cmp     #%00000001      ; Exactly system global page is protected
+        beq     setvec
 
         ; Get highest available mem addr from BASIC.SYSTEM
-        ldx	HIMEM+1		; High byte
-        bne	setbuf		; Branch always
+        ldx     HIMEM+1         ; High byte
+        bne     setbuf          ; Branch always
 
         ; BIN programs are supposed to quit through one of the two DOS
         ; vectors so we set up those to point to the ProDOS dispatcher
-setvec: ldx	#$03 - 1	; Size of JMP opcode
-:       lda	dosvec,x
-        sta	DOSWARM,x	; DOS warm start
-        sta	DOSWARM + 3,x	; DOS cold start
+setvec: ldx     #$03 - 1        ; Size of JMP opcode
+:       lda     dosvec,x
+        sta     DOSWARM,x       ; DOS warm start
+        sta     DOSWARM + 3,x   ; DOS cold start
         dex
-        bpl	:-
+        bpl     :-
 
         ; No BASIC.SYSTEM so use addr of ProDOS system global page
-prodos: ldx	#>$BF00		; High byte
+prodos: ldx     #>$BF00         ; High byte
 
         ; The I/O buffer needs to be page aligned
-setbuf: lda	#$00		; Low byte
+setbuf: lda     #$00            ; Low byte
 
         ; The I/O buffer needs four pages
         dex
@@ -114,109 +114,109 @@ setbuf: lda	#$00		; Low byte
         dex
         
         ; Set I/O buffer
-        sta	mliparam + MLI::OPEN::IO_BUFFER
-        stx	mliparam + MLI::OPEN::IO_BUFFER+1
+        sta     mliparam + MLI::OPEN::IO_BUFFER
+        stx     mliparam + MLI::OPEN::IO_BUFFER+1
 
         ; PATHNAME already set
         .assert MLI::OPEN::PATHNAME = MLI::INFO::PATHNAME, error
 
         ; Lower file level to avoid program file
         ; being closed by C libary shutdown code
-        ldx	LEVEL
-        stx	level
-        beq	:+
-        dec	LEVEL
+        ldx     LEVEL
+        stx     level
+        beq     :+
+        dec     LEVEL
         
         ; Open file
-:       lda	#OPEN_CALL
-        ldx	#OPEN_COUNT
-        jsr	callmli
+:       lda     #OPEN_CALL
+        ldx     #OPEN_COUNT
+        jsr     callmli
 
         ; Restore file level
-        ldx	level
-        stx	LEVEL
-        bcc	:+
-        jmp	oserr
+        ldx     level
+        stx     LEVEL
+        bcc     :+
+        jmp     oserr
 
         ; Get and save fd
-:       lda	mliparam + MLI::OPEN::REF_NUM
-        sta	read_ref
-        sta	close_ref
+:       lda     mliparam + MLI::OPEN::REF_NUM
+        sta     read_ref
+        sta     close_ref
 
         .ifdef  __APPLE2ENH__
         ; Calling the 80 column firmware needs the ROM switched
         ; in, otherwise it copies the F8 ROM to the LC (@ $CEF4)
-        bit	$C082
+        bit     $C082
 
         ; ProDOS TechRefMan, chapter 5.3.1.3:
         ; "80-column text cards -- and other Apple IIe features -- can
         ;  be turned off using the following sequence of instructions:"
-        lda	#$15
-        jsr	$C300
+        lda     #$15
+        jsr     $C300
 
         ; Switch in LC bank 2 for R/O
-        bit	$C080
+        bit     $C080
         .endif
 
         ; Call loader stub after C libary shutdown
-        lda	#target
-        sta	done
-        stx	done+1
+        lda     #target
+        sta     done
+        stx     done+1
 
         ; Initiate C libary shutdown
-        jmp	_exit
+        jmp     _exit
 
         .bss
 
-level : .res	1
+level : .res    1
 
         .rodata
 
         ; Read whole program file
-source: jsr	$BF00
-        .byte	READ_CALL
-        .word	read_param
-        bcs	:+
+source: jsr     $BF00
+        .byte   READ_CALL
+        .word   read_param
+        bcs     :+
 
         ; Close program file
-        jsr	$BF00
-        .byte	CLOSE_CALL
-        .word	close_param
-        bcs	:+
+        jsr     $BF00
+        .byte   CLOSE_CALL
+        .word   close_param
+        bcs     :+
 
         ; Go for it ...
-        jmp	(data_buffer)
+        jmp     (data_buffer)
 
 read_param      = * - source + target
-        .byte	$04		; PARAM_COUNT
+        .byte   $04             ; PARAM_COUNT
 read_ref        = * - source + target
-        .byte	$00		; REF_NUM
+        .byte   $00             ; REF_NUM
 data_buffer     = * - source + target
-        .addr	$2000		; DATA_BUFFER
-        .word	$FFFF		; REQUEST_COUNT
-        .word	$0000		; TRANS_COUNT
+        .addr   $2000           ; DATA_BUFFER
+        .word   $FFFF           ; REQUEST_COUNT
+        .word   $0000           ; TRANS_COUNT
 
 close_param     = * - source + target
-        .byte	$01		; PARAM_COUNT
+        .byte   $01             ; PARAM_COUNT
 close_ref       = * - source + target
-        .byte	$00		; REF_NUM
+        .byte   $00             ; REF_NUM
 
         ; Quit to ProDOS dispatcher
 quit            = * - source + target
-:       jsr	$BF00
-        .byte	$65		; QUIT
-        .word	quit_param
+:       jsr     $BF00
+        .byte   $65             ; QUIT
+        .word   quit_param
 
 quit_param      = * - source + target
-        .byte	$04		; PARAM_COUNT
-        .byte	$00		; QUIT_TYPE
-        .word	$0000		; RESERVED
-        .byte	$00		; RESERVED
-        .word	$0000		; RESERVED
+        .byte   $04             ; PARAM_COUNT
+        .byte   $00             ; QUIT_TYPE
+        .word   $0000           ; RESERVED
+        .byte   $00             ; RESERVED
+        .word   $0000           ; RESERVED
 
 size            = * - source
 
 target          = DOSWARM - size
 
-dosvec: jmp	quit
+dosvec: jmp     quit
diff --git a/libsrc/apple2/exehdr.s b/libsrc/apple2/exehdr.s
index f66b14a5c..eb05e66be 100644
--- a/libsrc/apple2/exehdr.s
+++ b/libsrc/apple2/exehdr.s
@@ -5,12 +5,12 @@
 ; containing the load address and load length.
 ;
 
-        .export         __EXEHDR__ : absolute = 1	; Linker referenced
-        .import        	__LOADADDR__, __LOADSIZE__	; Linker generated
+        .export         __EXEHDR__ : absolute = 1       ; Linker referenced
+        .import         __LOADADDR__, __LOADSIZE__      ; Linker generated
 
 ; ------------------------------------------------------------------------
 
         .segment        "EXEHDR"
 
-        .addr           __LOADADDR__	; Load address
-        .word           __LOADSIZE__	; Load length
+        .addr           __LOADADDR__    ; Load address
+        .word           __LOADSIZE__    ; Load length
diff --git a/libsrc/apple2/extra/iobuf-0800.s b/libsrc/apple2/extra/iobuf-0800.s
index 69fd6a657..7951ccbb0 100644
--- a/libsrc/apple2/extra/iobuf-0800.s
+++ b/libsrc/apple2/extra/iobuf-0800.s
@@ -5,16 +5,16 @@
 ; location $0800 and the cc65 program start address
 ;
 
-        .constructor	initiobuf
-        .export		iobuf_alloc, iobuf_free
-        .import        	__STARTUP_RUN__
-        .import		incsp2, popax
+        .constructor    initiobuf
+        .export         iobuf_alloc, iobuf_free
+        .import         __STARTUP_RUN__
+        .import         incsp2, popax
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"../filedes.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "../filedes.inc"
 
-        .segment	"INIT"
+        .segment        "INIT"
 
 initiobuf:
         ; Convert end address highbyte to table index
@@ -40,10 +40,10 @@ initiobuf:
 
 iobuf_alloc:
         ; Get and save "memptr"
-	jsr	incsp2
-	jsr	popax
-	sta	ptr1
-	stx	ptr1+1
+        jsr     incsp2
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
 
         ; Search table for free entry
         ldx     #$00
@@ -67,11 +67,11 @@ iobuf_alloc:
         adc     #>$0800
 
         ; Store address in "memptr"
-	ldy	#$01
-	sta	(ptr1),y
-	dey
-	tya
-	sta	(ptr1),y
+        ldy     #$01
+        sta     (ptr1),y
+        dey
+        tya
+        sta     (ptr1),y
         rts
 
 iobuf_free:
@@ -86,7 +86,7 @@ iobuf_free:
         tax
         lda     #$00
         sta     table,x
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 
diff --git a/libsrc/apple2/filedes.s b/libsrc/apple2/filedes.s
index e177acbe4..04b4416e9 100644
--- a/libsrc/apple2/filedes.s
+++ b/libsrc/apple2/filedes.s
@@ -4,18 +4,18 @@
 ; File descriptor management for the POSIX I/O routines
 ;
 
-        .include	"errno.inc"
-        .include	"fcntl.inc"
-        .include	"filedes.inc"
+        .include        "errno.inc"
+        .include        "fcntl.inc"
+        .include        "filedes.inc"
 
 getfd:
         ; Check for handle >= 256
-        cpx	#$00
-        bne	error
+        cpx     #$00
+        bne     error
 
         ; Check for handle >= MAX_FDS
-        cmp	#MAX_FDS
-        bcs	error
+        cmp     #MAX_FDS
+        bcs     error
 
         ; Convert handle to fdtab slot
         .assert .sizeof(FD) = 4, error
@@ -24,15 +24,15 @@ getfd:
 
         ; Check for fdtab slot in use
         tay
-        lda	fdtab + FD::REF_NUM,y
-        beq	error
+        lda     fdtab + FD::REF_NUM,y
+        beq     error
 
         ; Return success
         clc
         rts
 
         ; Load errno code and return error
-error:  lda	#EINVAL
+error:  lda     #EINVAL
         sec
         rts
 
@@ -40,16 +40,16 @@ error:  lda	#EINVAL
 
 fdtab:  .assert .sizeof(FD) = 4, error
 
-        .byte	$80		; STDIN_FILENO ::REF_NUM
-        .byte	O_RDONLY	; STDIN_FILENO ::FLAGS
-        .addr	$0000		; STDIN_FILENO ::BUFFER
+        .byte   $80             ; STDIN_FILENO ::REF_NUM
+        .byte   O_RDONLY        ; STDIN_FILENO ::FLAGS
+        .addr   $0000           ; STDIN_FILENO ::BUFFER
 
-        .byte	$80		; STDOUT_FILENO::REF_NUM
-        .byte	O_WRONLY	; STDOUT_FILENO::FLAGS
-        .addr	$0000		; STDOUT_FILENO::BUFFER
+        .byte   $80             ; STDOUT_FILENO::REF_NUM
+        .byte   O_WRONLY        ; STDOUT_FILENO::FLAGS
+        .addr   $0000           ; STDOUT_FILENO::BUFFER
 
-        .byte	$80		; STDERR_FILENO::REF_NUM
-        .byte	O_WRONLY	; STDERR_FILENO::FLAGS
-        .addr	$0000		; STDERR_FILENO::BUFFER
+        .byte   $80             ; STDERR_FILENO::REF_NUM
+        .byte   O_WRONLY        ; STDERR_FILENO::FLAGS
+        .addr   $0000           ; STDERR_FILENO::BUFFER
 
-        .res	(MAX_FDS - 3) * .sizeof(FD)
+        .res    (MAX_FDS - 3) * .sizeof(FD)
diff --git a/libsrc/apple2/filename.s b/libsrc/apple2/filename.s
index 1bf17af50..aaef6ec2d 100644
--- a/libsrc/apple2/filename.s
+++ b/libsrc/apple2/filename.s
@@ -4,88 +4,88 @@
 ; File name handling for ProDOS 8 file I/O
 ;
 
-        .export 	pushname, popname
-        .import		subysp, addysp, decsp1
+        .export         pushname, popname
+        .import         subysp, addysp, decsp1
 
-        .include	"zeropage.inc"
-        .include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 pushname:
-        sta	ptr1
-        stx	ptr1+1
+        sta     ptr1
+        stx     ptr1+1
 
         ; Alloc pathname buffer
-        ldy	#64+1		; Max pathname length + zero
-        jsr	subysp
+        ldy     #64+1           ; Max pathname length + zero
+        jsr     subysp
 
         ; Check for full pathname
-        ldy	#$00
-        lda	(ptr1),y
-        cmp	#'/'
-        beq	copy
+        ldy     #$00
+        lda     (ptr1),y
+        cmp     #'/'
+        beq     copy
 
         ; Check for system prefix
-        lda	PFIXPTR
-        bne	copy
+        lda     PFIXPTR
+        bne     copy
 
         ; Use unit number of most recent accessed device
-        lda	DEVNUM
-        sta	mliparam + MLI::ON_LINE::UNIT_NUM
+        lda     DEVNUM
+        sta     mliparam + MLI::ON_LINE::UNIT_NUM
 
         ; Use allocated pathname buffer
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::ON_LINE::DATA_BUFFER
-        stx	mliparam + MLI::ON_LINE::DATA_BUFFER+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::ON_LINE::DATA_BUFFER
+        stx     mliparam + MLI::ON_LINE::DATA_BUFFER+1
 
         ; Get volume name
-        lda	#ON_LINE_CALL
-        ldx	#ON_LINE_COUNT
-        jsr	callmli
-        bcs	addsp65
+        lda     #ON_LINE_CALL
+        ldx     #ON_LINE_COUNT
+        jsr     callmli
+        bcs     addsp65
 
         ; Get volume name length
-        lda	(sp),y
-        and	#15		; Max volume name length
+        lda     (sp),y
+        and     #15             ; Max volume name length
 
         ; Bracket volume name with slashes to form prefix
-        sta	tmp1
-        lda	#'/'
-        sta	(sp),y
-        ldy	tmp1
-        iny			; Leading slash
-        sta	(sp),y
-        iny			; Trailing slash
+        sta     tmp1
+        lda     #'/'
+        sta     (sp),y
+        ldy     tmp1
+        iny                     ; Leading slash
+        sta     (sp),y
+        iny                     ; Trailing slash
 
         ; Adjust source pointer for copy
-        sty   	tmp1
-        lda	ptr1
+        sty     tmp1
+        lda     ptr1
         sec
-        sbc	tmp1
-        bcs	:+
-        dec	ptr1+1
-:       sta	ptr1
+        sbc     tmp1
+        bcs     :+
+        dec     ptr1+1
+:       sta     ptr1
 
         ; Copy source to allocated pathname buffer
-copy:   lda	(ptr1),y
-        sta	(sp),y
-        beq	setlen
+copy:   lda     (ptr1),y
+        sta     (sp),y
+        beq     setlen
         iny
-        cpy	#64+1		; Max pathname length + zero
-        bcc	copy
+        cpy     #64+1           ; Max pathname length + zero
+        bcc     copy
 
         ; Load oserror code
-        lda	#$40		; "Invalid pathname"
+        lda     #$40            ; "Invalid pathname"
 
         ; Free pathname buffer
 addsp65:ldy     #64+1
-        bne	addsp		; Branch always
+        bne     addsp           ; Branch always
 
         ; Alloc and set length byte
 setlen: tya
-        jsr	decsp1		; Preserves A
-        ldy	#$00
-        sta	(sp),y
+        jsr     decsp1          ; Preserves A
+        ldy     #$00
+        sta     (sp),y
 
         ; Return success
         tya
@@ -93,5 +93,5 @@ setlen: tya
 
 popname:
         ; Cleanup stack
-        ldy	#1 + 64+1	; Length byte + max pathname length + zero
-addsp:  jmp	addysp		; Preserves A
+        ldy     #1 + 64+1       ; Length byte + max pathname length + zero
+addsp:  jmp     addysp          ; Preserves A
diff --git a/libsrc/apple2/get_ostype.s b/libsrc/apple2/get_ostype.s
index a041c3477..68ae865ac 100644
--- a/libsrc/apple2/get_ostype.s
+++ b/libsrc/apple2/get_ostype.s
@@ -24,38 +24,38 @@ nogs:   ldx     #$FF
 next:   inx
         lda     value,x
         ldy     index,x
-        beq     done		; $00 is no valid index
+        beq     done            ; $00 is no valid index
         cmp     $FB00,y
         beq     next
 :       inx
         ldy     index,x
         bne     :-
-        beq     next		; Branch always
+        beq     next            ; Branch always
 
-index:  .byte   $B3, $00		; Apple ][
-        .byte   $B3, $1E, $00		; Apple ][+
-        .byte   $B3, $1E, $00		; Apple /// (emulation)
-        .byte   $B3, $C0, $00		; Apple //e
-        .byte   $B3, $C0, $DD, $BE, $00	; Apple //e Option Card
-        .byte   $B3, $C0, $00		; Apple //e (enhanced)
-        .byte   $B3, $C0, $BF, $00	; Apple //c
-        .byte   $B3, $C0, $BF, $00	; Apple //c (3.5 ROM)
-        .byte   $B3, $C0, $BF, $00	; Apple //c (Mem. Exp.)
-        .byte   $B3, $C0, $BF, $00	; Apple //c (Rev. Mem. Exp.)
-        .byte   $B3, $C0, $BF, $00	; Apple //c Plus
+index:  .byte   $B3, $00                ; Apple ][
+        .byte   $B3, $1E, $00           ; Apple ][+
+        .byte   $B3, $1E, $00           ; Apple /// (emulation)
+        .byte   $B3, $C0, $00           ; Apple //e
+        .byte   $B3, $C0, $DD, $BE, $00 ; Apple //e Option Card
+        .byte   $B3, $C0, $00           ; Apple //e (enhanced)
+        .byte   $B3, $C0, $BF, $00      ; Apple //c
+        .byte   $B3, $C0, $BF, $00      ; Apple //c (3.5 ROM)
+        .byte   $B3, $C0, $BF, $00      ; Apple //c (Mem. Exp.)
+        .byte   $B3, $C0, $BF, $00      ; Apple //c (Rev. Mem. Exp.)
+        .byte   $B3, $C0, $BF, $00      ; Apple //c Plus
         .byte   $00
 
-value:  .byte   $38, $10		; Apple ][
-        .byte   $EA, $AD, $11		; Apple ][+
-        .byte   $EA, $8A, $20		; Apple /// (emulation)
-        .byte   $06, $EA, $30		; Apple //e
-        .byte   $06, $E0, $02, $00, $40	; Apple //e Option Card
-        .byte   $06, $E0, $31		; Apple //e (enhanced)
-        .byte   $06, $00, $FF, $50	; Apple //c
-        .byte   $06, $00, $00, $51	; Apple //c (3.5 ROM)
-        .byte   $06, $00, $03, $53	; Apple //c (Mem. Exp.)
-        .byte   $06, $00, $04, $54	; Apple //c (Rev. Mem. Exp.)
-        .byte   $06, $00, $05, $55	; Apple //c Plus
+value:  .byte   $38, $10                ; Apple ][
+        .byte   $EA, $AD, $11           ; Apple ][+
+        .byte   $EA, $8A, $20           ; Apple /// (emulation)
+        .byte   $06, $EA, $30           ; Apple //e
+        .byte   $06, $E0, $02, $00, $40 ; Apple //e Option Card
+        .byte   $06, $E0, $31           ; Apple //e (enhanced)
+        .byte   $06, $00, $FF, $50      ; Apple //c
+        .byte   $06, $00, $00, $51      ; Apple //c (3.5 ROM)
+        .byte   $06, $00, $03, $53      ; Apple //c (Mem. Exp.)
+        .byte   $06, $00, $04, $54      ; Apple //c (Rev. Mem. Exp.)
+        .byte   $06, $00, $05, $55      ; Apple //c Plus
         .byte   $00
 
         .code
diff --git a/libsrc/apple2/gotoxy.s b/libsrc/apple2/gotoxy.s
index 0c6c800be..dc96ac75e 100644
--- a/libsrc/apple2/gotoxy.s
+++ b/libsrc/apple2/gotoxy.s
@@ -13,10 +13,10 @@
 _gotoxy:
         clc
         adc     WNDTOP
-        sta     CV		; Store Y
+        sta     CV              ; Store Y
         jsr     VTABZ
-        jsr     popa		; Get X
+        jsr     popa            ; Get X
 
 _gotox:
-        sta     CH		; Store X
+        sta     CH              ; Store X
         rts
diff --git a/libsrc/apple2/gotoy.s b/libsrc/apple2/gotoy.s
index 66d929c34..707b8fc50 100644
--- a/libsrc/apple2/gotoy.s
+++ b/libsrc/apple2/gotoy.s
@@ -12,7 +12,7 @@
 _gotoy:
         clc
         adc     WNDTOP
-        sta     CV		; Store Y
+        sta     CV              ; Store Y
         jmp     VTABZ
 
 
diff --git a/libsrc/apple2/home.s b/libsrc/apple2/home.s
index de5334c93..02899beb4 100644
--- a/libsrc/apple2/home.s
+++ b/libsrc/apple2/home.s
@@ -4,17 +4,17 @@
 ; HOME routine
 ;
 
-	.export		HOME
+        .export         HOME
 
-	.include	"apple2.inc"
+        .include        "apple2.inc"
 
-	.segment        "LOWCODE"
+        .segment        "LOWCODE"
 
 HOME:
-	; Switch in ROM and call HOME
-	bit	$C082
-	jsr	$FC58		; Clear current text screen
+        ; Switch in ROM and call HOME
+        bit     $C082
+        jsr     $FC58           ; Clear current text screen
 
-	; Switch in LC bank 2 for R/O and return
-	bit	$C080
-	rts
+        ; Switch in LC bank 2 for R/O and return
+        bit     $C080
+        rts
diff --git a/libsrc/apple2/initcwd.s b/libsrc/apple2/initcwd.s
index 6ed914ca6..044076e3f 100644
--- a/libsrc/apple2/initcwd.s
+++ b/libsrc/apple2/initcwd.s
@@ -3,15 +3,15 @@
 ;
 
         .export         initcwd
-        .import		__cwd
+        .import         __cwd
 
-        .include	"zeropage.inc"
+        .include        "zeropage.inc"
         .include        "mli.inc"
 
 initcwd:
         ; Set static prefix buffer
-        lda	#<__cwd
-        ldx	#>__cwd
+        lda     #<__cwd
+        ldx     #>__cwd
         sta     mliparam + MLI::PREFIX::PATHNAME
         stx     mliparam + MLI::PREFIX::PATHNAME+1
 
@@ -21,20 +21,20 @@ initcwd:
         jsr     callmli
 
         ; Check for null prefix
-	lda	__cwd
-	beq	done
+        lda     __cwd
+        beq     done
 
-	; Remove length byte and trailing slash
-	sta	tmp1
-	ldx	#$01
-:	lda	__cwd,x
-	sta	__cwd - 1,x
-	inx
-	cpx	tmp1
-	bcc	:-
+        ; Remove length byte and trailing slash
+        sta     tmp1
+        ldx     #$01
+:       lda     __cwd,x
+        sta     __cwd - 1,x
+        inx
+        cpx     tmp1
+        bcc     :-
 
-	; Add terminating zero
-	lda	#$00
-	sta	__cwd - 1,x
-	
-done:	rts
+        ; Add terminating zero
+        lda     #$00
+        sta     __cwd - 1,x
+        
+done:   rts
diff --git a/libsrc/apple2/iobuf.s b/libsrc/apple2/iobuf.s
index 88a4503d0..77433ce61 100644
--- a/libsrc/apple2/iobuf.s
+++ b/libsrc/apple2/iobuf.s
@@ -4,8 +4,8 @@
 ; Default ProDOS 8 I/O buffer management
 ; 
 
-        .export		iobuf_alloc, iobuf_free
-        .import		_posix_memalign, _free
+        .export         iobuf_alloc, iobuf_free
+        .import         _posix_memalign, _free
 
 iobuf_alloc := _posix_memalign
 iobuf_free  := _free
diff --git a/libsrc/apple2/joy/a2.stdjoy.s b/libsrc/apple2/joy/a2.stdjoy.s
index 1608f5acc..eecdd6a8a 100644
--- a/libsrc/apple2/joy/a2.stdjoy.s
+++ b/libsrc/apple2/joy/a2.stdjoy.s
@@ -7,9 +7,9 @@
 ; Using the readjoy code from Stefan Haubenthal
 ;
 
- 	.include 	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include 	"joy-kernel.inc"
+        .include        "joy-kernel.inc"
         .include        "joy-error.inc"
         .include        "apple2.inc"
 
@@ -17,24 +17,24 @@
 
 ; Constants
 
-THRESHOLD =	20	; Deviation from center triggering movement
+THRESHOLD =     20      ; Deviation from center triggering movement
 
 ; ------------------------------------------------------------------------
 
 ; ROM entry points
 
-PREAD  	:=  	$FB1E	; Read paddle in X, return AD conv. value in Y
+PREAD   :=      $FB1E   ; Read paddle in X, return AD conv. value in Y
 
 ; ------------------------------------------------------------------------
 
 ; Header. Includes jump table.
 
-	.segment        "JUMPTABLE"
+        .segment        "JUMPTABLE"
 
 ; Driver signature
 
-        .byte   $6A, $6F, $79	; "joy"
-        .byte   JOY_API_VERSION	; Driver API version number
+        .byte   $6A, $6F, $79   ; "joy"
+        .byte   JOY_API_VERSION ; Driver API version number
 
 ; Button state masks (8 values)
 
@@ -57,7 +57,7 @@ PREAD  	:=  	$FB1E	; Read paddle in X, return AD conv. value in Y
 
 ; ------------------------------------------------------------------------
 
-	.code
+        .code
 
 ; INSTALL routine. Is called after the driver is loaded into memory. If
 ; possible, check if the hardware is present and determine the amount of
@@ -66,7 +66,7 @@ PREAD  	:=  	$FB1E	; Read paddle in X, return AD conv. value in Y
 INSTALL:
         lda     #JOY_ERR_OK
-	; Fall through
+        ; Fall through
 
 ; UNINSTALL routine. Is called before the driver is removed from memory.
 ; Can do cleanup or whatever. Must not return anything.
@@ -75,55 +75,55 @@ UNINSTALL:
 
 ; COUNT: Return the total number of available joysticks in a/x.
 COUNT:
-        lda     #$02		; Number of joysticks we support
+        lda     #$02            ; Number of joysticks we support
         ldx     #$00
         rts
 
 ; READ: Read a particular joystick passed in A.
 READJOY:
-        bit	$C082		; Switch in ROM
-	and    	#$01            ; Restrict joystick number
+        bit     $C082           ; Switch in ROM
+        and     #$01            ; Restrict joystick number
 
-	; Read horizontal paddle
-	asl			; Joystick number -> paddle number
-	tax	     		; Set paddle number (0, 2)
+        ; Read horizontal paddle
+        asl                     ; Joystick number -> paddle number
+        tax                     ; Set paddle number (0, 2)
         jsr     PREAD           ; Read paddle value
-        lda	#$00		; 0 0 0 0 0 0 0 0
+        lda     #$00            ; 0 0 0 0 0 0 0 0
         cpy     #127 - THRESHOLD
-        ror			; !LEFT 0 0 0 0 0 0 0
+        ror                     ; !LEFT 0 0 0 0 0 0 0
         cpy     #127 + THRESHOLD
-        ror			; RIGHT !LEFT 0 0 0 0 0 0
+        ror                     ; RIGHT !LEFT 0 0 0 0 0 0
 
-	; Read vertical paddle
+        ; Read vertical paddle
         pha
-        inx			; Set paddle number (1, 3)
+        inx                     ; Set paddle number (1, 3)
         jsr     PREAD           ; Read paddle value
         pla
         cpy     #127 - THRESHOLD
-        ror			; !UP RIGHT !LEFT 0 0 0 0 0
+        ror                     ; !UP RIGHT !LEFT 0 0 0 0 0
         cpy     #127 + THRESHOLD
-        ror			; DOWN !UP RIGHT !LEFT 0 0 0 0
+        ror                     ; DOWN !UP RIGHT !LEFT 0 0 0 0
 
-	; Read primary button
-	tay
-        lda     BUTN0-1,x	; Check button (1, 3)
+        ; Read primary button
+        tay
+        lda     BUTN0-1,x       ; Check button (1, 3)
         asl
         tya
-        ror			; FIRE DOWN !UP RIGHT !LEFT 0 0 0
-
-	; Read secondary button
-	tay
-	inx
-	txa
-	and	#$03		; IIgs has fourth button at TAPEIN
-	tax
-        lda     BUTN0-1,x	; Check button (2, 0)
+        ror                     ; FIRE DOWN !UP RIGHT !LEFT 0 0 0
+
+        ; Read secondary button
+        tay
+        inx
+        txa
+        and     #$03            ; IIgs has fourth button at TAPEIN
+        tax
+        lda     BUTN0-1,x       ; Check button (2, 0)
         asl
         tya
-	ror			; FIRE2 FIRE DOWN !UP RIGHT !LEFT 0 0
+        ror                     ; FIRE2 FIRE DOWN !UP RIGHT !LEFT 0 0
 
-	; Finalize
+        ; Finalize
         eor     #%00010100      ; FIRE2 FIRE DOWN UP RIGHT LEFT 0 0
         ldx     #$00
-	bit	$C080		; Switch in LC bank 2 for R/O
+        bit     $C080           ; Switch in LC bank 2 for R/O
         rts
diff --git a/libsrc/apple2/joy_stat_stddrv.s b/libsrc/apple2/joy_stat_stddrv.s
index bf6b0f53c..d129020bd 100644
--- a/libsrc/apple2/joy_stat_stddrv.s
+++ b/libsrc/apple2/joy_stat_stddrv.s
@@ -6,16 +6,16 @@
 ; const void joy_static_stddrv[];
 ;
 
-        .export	_joy_static_stddrv
-        .ifdef	__APPLE2ENH__
-        .import	_a2e_stdjoy_joy
+        .export _joy_static_stddrv
+        .ifdef  __APPLE2ENH__
+        .import _a2e_stdjoy_joy
         .else
-        .import	_a2_stdjoy_joy
+        .import _a2_stdjoy_joy
         .endif
 
 .rodata
 
-        .ifdef	__APPLE2ENH__
+        .ifdef  __APPLE2ENH__
 _joy_static_stddrv := _a2e_stdjoy_joy
         .else
 _joy_static_stddrv := _a2_stdjoy_joy
diff --git a/libsrc/apple2/joy_stddrv.s b/libsrc/apple2/joy_stddrv.s
index e4a360dab..0c3bf677b 100644
--- a/libsrc/apple2/joy_stddrv.s
+++ b/libsrc/apple2/joy_stddrv.s
@@ -6,14 +6,14 @@
 ; const char joy_stddrv[];
 ;
 
-        .export	_joy_stddrv
+        .export _joy_stddrv
 
 .rodata
 
 _joy_stddrv:
-        .ifdef	__APPLE2ENH__
-        .asciiz	"A2E.STDJOY.JOY"
+        .ifdef  __APPLE2ENH__
+        .asciiz "A2E.STDJOY.JOY"
         .else
-        .asciiz	"A2.STDJOY.JOY"
+        .asciiz "A2.STDJOY.JOY"
         .endif
 
diff --git a/libsrc/apple2/mainargs.s b/libsrc/apple2/mainargs.s
index 2de10bd53..6b0df4ded 100644
--- a/libsrc/apple2/mainargs.s
+++ b/libsrc/apple2/mainargs.s
@@ -22,11 +22,11 @@
 ; TO-DO:
 ; Add a control-character quoting mechanism.
 
-        .constructor	initmainargs, 24
-        .import		__argc, __argv, __dos_type
+        .constructor    initmainargs, 24
+        .import         __argc, __argv, __dos_type
 
-        .include	"zeropage.inc"
-        .include	"apple2.inc"
+        .include        "zeropage.inc"
+        .include        "apple2.inc"
 
 ; Maximum number of arguments allowed in the argument table.
 ; (An argument contains a comma, at least.)
@@ -44,7 +44,7 @@ BUF_LEN = 122
 BASIC_BUF = $200
 FNAM_LEN  = $280
 FNAM      = $281
-REM       = $B2			; BASIC token-code
+REM       = $B2                 ; BASIC token-code
 
 ; Get possible command-line arguments. Goes into the special INIT segment,
 ; which may be reused after the startup code is run.
@@ -56,25 +56,25 @@ initmainargs:
 ; Assume that the program was loaded, a moment ago, by the traditional BLOAD
 ; statement of BASIC.SYSTEM. Save the filename as argument #0 if available.
 
-        ldx	__dos_type	; No ProDOS -> argv[0] = ""
-        beq	:+
+        ldx     __dos_type      ; No ProDOS -> argv[0] = ""
+        beq     :+
 
 ; Terminate the filename with a zero to make it a valid C string.
 
-        ldx	FNAM_LEN
-:       lda	#$00
-        sta	FNAM,x
+        ldx     FNAM_LEN
+:       lda     #$00
+        sta     FNAM,x
 
-        inc	__argc		; argc always is equal to, at least, 1
+        inc     __argc          ; argc always is equal to, at least, 1
 
 ; Find the "rem" token.
 
-        ldx	#$00
-:       lda	BASIC_BUF,x
-        beq	done		; No "rem" -> no args
+        ldx     #$00
+:       lda     BASIC_BUF,x
+        beq     done            ; No "rem" -> no args
         inx
-        cmp	#REM
-        bne	:-
+        cmp     #REM
+        bne     :-
 
 ; If a clock is present it is called by ProDOS on file operations. On machines
 ; with a slot-based clock (like the Thunder Clock) the clock firmware places
@@ -82,18 +82,18 @@ initmainargs:
 ; of the command-line in a different buffer before the original is potentially
 ; destroyed.
 
-	ldy	#$00
-:	lda	BASIC_BUF,x
-	sta	buffer,y
-	inx
-	iny
-	cpy	#BUF_LEN - 1	; Keep the terminating zero intact
-	bcc	:-
+        ldy     #$00
+:       lda     BASIC_BUF,x
+        sta     buffer,y
+        inx
+        iny
+        cpy     #BUF_LEN - 1    ; Keep the terminating zero intact
+        bcc     :-
 
 ; Start processing the arguments.
 
-	ldx	#$00
-	ldy	#$01 * 2	; Start with argv[1]
+        ldx     #$00
+        ldy     #$01 * 2        ; Start with argv[1]
 
 ; Find the next argument. Stop if the end of the string or a character with the
 ; hibit set is reached. The later is true if the string isn't already parsed by
@@ -105,65 +105,65 @@ initmainargs:
 ; for the REM token we stumbled across the first '2' character ($32+$80 = $B2)
 ; and interpreted the rest of the date as a spurious command-line parameter.
 
-next:   lda	buffer,x
-        beq	done
-        bmi	done
+next:   lda     buffer,x
+        beq     done
+        bmi     done
         inx
-        cmp	#' '		; Skip leading spaces
-        beq	next
+        cmp     #' '            ; Skip leading spaces
+        beq     next
 
 ; Found start of next argument. We've incremented the pointer in X already, so
 ; it points to the second character of the argument. This is useful since we
 ; will check now for a quoted argument, in which case we will have to skip this
 ; first character.
 
-        cmp	#'"'		; Is the argument quoted?
-        beq	:+		; Jump if so
-        dex			; Reset pointer to first argument character
-        lda	#' '		; A space ends the argument
-:       sta     tmp1		; Set end of argument marker
+        cmp     #'"'            ; Is the argument quoted?
+        beq     :+              ; Jump if so
+        dex                     ; Reset pointer to first argument character
+        lda     #' '            ; A space ends the argument
+:       sta     tmp1            ; Set end of argument marker
 
 ; Now store a pointer to the argument into the next slot.
 
-        txa			; Get low byte
+        txa                     ; Get low byte
         clc
-        adc	#buffer
-        sta	argv,y
+        lda     #$00
+        adc     #>buffer
+        sta     argv,y
         iny
-        inc	__argc		; Found another arg
+        inc     __argc          ; Found another arg
 
 ; Search for the end of the argument.
 
 :       lda     buffer,x
-        beq	done
+        beq     done
         inx
-        cmp	tmp1
-        bne	:-
+        cmp     tmp1
+        bne     :-
 
 ; We've found the end of the argument. X points one character behind it, and
 ; A contains the terminating character. To make the argument a valid C string,
 ; replace the terminating character by a zero.
 
-        lda	#$00
-        sta	buffer-1,x
+        lda     #$00
+        sta     buffer-1,x
 
 ; Check if the maximum number of command-line arguments is reached. If not,
 ; parse the next one.
 
-        lda	__argc		; Get low byte of argument count
-        cmp	#MAXARGS	; Maximum number of arguments reached?
-        bcc	next		; Parse next one if not
+        lda     __argc          ; Get low byte of argument count
+        cmp     #MAXARGS        ; Maximum number of arguments reached?
+        bcc     next            ; Parse next one if not
 
 ; (The last vector in argv[] already is NULL.)
 
-done:   lda	#argv
-        sta	__argv
-        stx	__argv+1
+done:   lda     #argv
+        sta     __argv
+        stx     __argv+1
         rts
 
 ; This array is zeroed before initmainargs is called.
@@ -171,9 +171,9 @@ done:   lda	#$0400		; 000001CD
-	sta	getscr+2
-	sta	setscr+2
-	txa			; ABCDExxx
-	ror			; EABCDExx
-	and	#%11100000	; EAB00000
-	ora	getscr+1	; EABABCDE
-	and	#%11111000	; EABAB000
-	sta	getscr+1
-	sta	setscr+1
-	rts
+        tax                     ; ABCDExxx
+        lsr                     ; 0ABCDExx
+        lsr                     ; 00ABCDEx
+        lsr                     ; 000ABCDE
+        sta     getscr+1
+        lsr                     ; 0000ABCD
+        and     #%00000011      ; 000000CD
+        ora     #>$0400         ; 000001CD
+        sta     getscr+2
+        sta     setscr+2
+        txa                     ; ABCDExxx
+        ror                     ; EABCDExx
+        and     #%11100000      ; EAB00000
+        ora     getscr+1        ; EABABCDE
+        and     #%11111000      ; EABAB000
+        sta     getscr+1
+        sta     setscr+1
+        rts
diff --git a/libsrc/apple2/mli.inc b/libsrc/apple2/mli.inc
index 86950fbc4..42363d9c9 100644
--- a/libsrc/apple2/mli.inc
+++ b/libsrc/apple2/mli.inc
@@ -94,8 +94,8 @@ EOF_COUNT       = 2
                                 DATA_BUFFER     .addr
                         .endstruct
                         .struct PREFIX
-                                PARAM_COUNT	.byte
-                                PATHNAME	.addr
+                                PARAM_COUNT     .byte
+                                PATHNAME        .addr
                         .endstruct
                         .struct OPEN
                                 PARAM_COUNT     .byte
@@ -130,12 +130,12 @@ EOF_COUNT       = 2
         .global         mliparam
         .global         callmli
 
-DEVNUM  :=      $BF30		; Most recent accessed device
-DEVCNT  :=      $BF31		; Number of on-line devices (minus 1)
-DEVLST  :=      $BF32		; Up to 14 units may be active
-DATELO  :=      $BF90		; Bits 15-9 = year, 8-5 = month, 4-0 = day
-TIMELO  :=      $BF92		; Bits 12-8 = hour, 5-0 = minute
-LEVEL   :=      $BF94		; File level: used in open, flush, close
-MACHID  :=      $BF98		; Machine identification
-PFIXPTR :=      $BF9A		; If = 0, no prefix active
+DEVNUM  :=      $BF30           ; Most recent accessed device
+DEVCNT  :=      $BF31           ; Number of on-line devices (minus 1)
+DEVLST  :=      $BF32           ; Up to 14 units may be active
+DATELO  :=      $BF90           ; Bits 15-9 = year, 8-5 = month, 4-0 = day
+TIMELO  :=      $BF92           ; Bits 12-8 = hour, 5-0 = minute
+LEVEL   :=      $BF94           ; File level: used in open, flush, close
+MACHID  :=      $BF98           ; Machine identification
+PFIXPTR :=      $BF9A           ; If = 0, no prefix active
 KVERSION:=      $BFFF           ; Kernel version number
diff --git a/libsrc/apple2/mli.s b/libsrc/apple2/mli.s
index fa826cc61..3e4771400 100644
--- a/libsrc/apple2/mli.s
+++ b/libsrc/apple2/mli.s
@@ -24,12 +24,12 @@ callmli:
         beq     oserr
 
         ; Call MLI and return
-        jsr     $BF00		; MLI call entry point
+        jsr     $BF00           ; MLI call entry point
 call:   .byte   $00
         .addr   mliparam
         rts
 
         ; Load oserror code and return
-oserr:  lda     #$01		; "Bad system call number"
+oserr:  lda     #$01            ; "Bad system call number"
         sec
         rts
diff --git a/libsrc/apple2/mou/a2.stdmou.s b/libsrc/apple2/mou/a2.stdmou.s
index af44a48ff..30ef85c54 100644
--- a/libsrc/apple2/mou/a2.stdmou.s
+++ b/libsrc/apple2/mou/a2.stdmou.s
@@ -4,219 +4,219 @@
 ; Oliver Schmidt, 03.09.2005
 ;
 
-	.include	"zeropage.inc"
-	.include	"mouse-kernel.inc"
-	.include	"apple2.inc"
+        .include        "zeropage.inc"
+        .include        "mouse-kernel.inc"
+        .include        "apple2.inc"
 
 ; ------------------------------------------------------------------------
 
-SETMOUSE	= $12	; Sets mouse mode
-SERVEMOUSE	= $13	; Services mouse interrupt
-READMOUSE	= $14	; Reads mouse position
-CLEARMOUSE	= $15	; Clears mouse position to 0 (for delta mode)
-POSMOUSE	= $16	; Sets mouse position to a user-defined pos
-CLAMPMOUSE	= $17	; Sets mouse bounds in a window
-HOMEMOUSE	= $18	; Sets mouse to upper-left corner of clamp win
-INITMOUSE	= $19	; Resets mouse clamps to default values and
-			; sets mouse position to 0,0
-
-pos1_lo 	:= $0478
-pos1_hi 	:= $0578
-pos2_lo 	:= $04F8
-pos2_hi 	:= $05F8
-status		:= $0778
+SETMOUSE        = $12   ; Sets mouse mode
+SERVEMOUSE      = $13   ; Services mouse interrupt
+READMOUSE       = $14   ; Reads mouse position
+CLEARMOUSE      = $15   ; Clears mouse position to 0 (for delta mode)
+POSMOUSE        = $16   ; Sets mouse position to a user-defined pos
+CLAMPMOUSE      = $17   ; Sets mouse bounds in a window
+HOMEMOUSE       = $18   ; Sets mouse to upper-left corner of clamp win
+INITMOUSE       = $19   ; Resets mouse clamps to default values and
+                        ; sets mouse position to 0,0
+
+pos1_lo         := $0478
+pos1_hi         := $0578
+pos2_lo         := $04F8
+pos2_hi         := $05F8
+status          := $0778
 
 ; ------------------------------------------------------------------------
 
-	.segment	"JUMPTABLE"
-
-	; Driver signature
-	.byte	$6D, $6F, $75		; "mou"
-	.byte	MOUSE_API_VERSION	; Mouse driver API version number
-
-	; Jump table.
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	HIDE
-	.addr	SHOW
-	.addr	SETBOX
-	.addr	GETBOX
-	.addr	MOVE
-	.addr	BUTTONS
-	.addr	POS
-	.addr	INFO
-	.addr	IOCTL
-	.addr	IRQ
+        .segment        "JUMPTABLE"
+
+        ; Driver signature
+        .byte   $6D, $6F, $75           ; "mou"
+        .byte   MOUSE_API_VERSION       ; Mouse driver API version number
+
+        ; Jump table.
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   HIDE
+        .addr   SHOW
+        .addr   SETBOX
+        .addr   GETBOX
+        .addr   MOVE
+        .addr   BUTTONS
+        .addr   POS
+        .addr   INFO
+        .addr   IOCTL
+        .addr   IRQ
 
         ; Mouse driver flags
         .byte   MOUSE_FLAG_EARLY_IRQ
 
-	; Callback table, set by the kernel before INSTALL is called
-CHIDE:	jmp	$0000			; Hide the cursor
-CSHOW:	jmp	$0000			; Show the cursor
-CMOVEX: jmp	$0000			; Move the cursor to X coord
-CMOVEY: jmp	$0000			; Move the cursor to Y coord
+        ; Callback table, set by the kernel before INSTALL is called
+CHIDE:  jmp     $0000                   ; Hide the cursor
+CSHOW:  jmp     $0000                   ; Show the cursor
+CMOVEX: jmp     $0000                   ; Move the cursor to X coord
+CMOVEY: jmp     $0000                   ; Move the cursor to Y coord
 
 ; ------------------------------------------------------------------------
 
-	.bss
+        .bss
 
-box:	.tag	MOUSE_BOX
-info:	.tag	MOUSE_INFO
-slot:	.res	1
-visible:.res	1
+box:    .tag    MOUSE_BOX
+info:   .tag    MOUSE_INFO
+slot:   .res    1
+visible:.res    1
 
 ; ------------------------------------------------------------------------
 
-	.rodata
+        .rodata
 
-offsets:.byte	$05		; Pascal 1.0 ID byte
-	.byte	$07		; Pascal 1.0 ID byte
-	.byte	$0B		; Pascal 1.1 generic signature byte
-	.byte	$0C		; Device signature byte
+offsets:.byte   $05             ; Pascal 1.0 ID byte
+        .byte   $07             ; Pascal 1.0 ID byte
+        .byte   $0B             ; Pascal 1.1 generic signature byte
+        .byte   $0C             ; Device signature byte
 
-values: .byte	$38		; Fixed
-	.byte	$18		; Fixed
-	.byte	$01		; Fixed
-	.byte	$20		; X-Y pointing device type 0
+values: .byte   $38             ; Fixed
+        .byte   $18             ; Fixed
+        .byte   $01             ; Fixed
+        .byte   $20             ; X-Y pointing device type 0
 
-size	= * - values
+size    = * - values
 
-inibox:	.word	  0		; MinX
-	.word	  0		; MinY
-	.word	279		; MaxX
-	.word	191		; MaxY
+inibox: .word     0             ; MinX
+        .word     0             ; MinY
+        .word   279             ; MaxX
+        .word   191             ; MaxY
 
 ; ------------------------------------------------------------------------
 
-	.data
+        .data
 
 firmware:
-	; Lookup and patch firmware address lobyte
-lookup: ldy	$FF00,x 	; Patched at runtime
-	sty	jump+1		; Modify code below
+        ; Lookup and patch firmware address lobyte
+lookup: ldy     $FF00,x         ; Patched at runtime
+        sty     jump+1          ; Modify code below
 
-	; Apple II Mouse TechNote #1, Interrupt Environment with the Mouse:
-	; "Enter all mouse routines (...) with the X register set to $Cn
-	;  and Y register set to $n0, where n = the slot number."
-xparam: ldx	#$FF		; Patched at runtime
-yparam: ldy	#$FF		; Patched at runtime
+        ; Apple II Mouse TechNote #1, Interrupt Environment with the Mouse:
+        ; "Enter all mouse routines (...) with the X register set to $Cn
+        ;  and Y register set to $n0, where n = the slot number."
+xparam: ldx     #$FF            ; Patched at runtime
+yparam: ldy     #$FF            ; Patched at runtime
 
-jump:	jmp	$FFFF		; Patched at runtime
+jump:   jmp     $FFFF           ; Patched at runtime
 
 ; ------------------------------------------------------------------------
 
-	.code
+        .code
 
 ; INSTALL: Is called after the driver is loaded into memory. If possible,
 ; check if the hardware is present. Must return an MOUSE_ERR_xx code in A/X.
 INSTALL:
-	lda	#<$C000
-	sta	ptr1
-	lda	#>$C000
-	sta	ptr1+1
-
-	; Search for AppleMouse II firmware in slots 1 - 7
-next:	inc	ptr1+1
-	lda	ptr1+1
-	cmp	#>$C800
-	bcc	:+
-
-	; Mouse firmware not found
-	lda	#MOUSE_ERR_NO_DEVICE
-	rts
-
-	; Check Pascal 1.1 Firmware Protocol ID bytes
-:	ldx	#size - 1
-:	ldy	offsets,x
-	lda	values,x
-	cmp	(ptr1),y
-	bne	next
-	dex
-	bpl	:-
-
-	; Get and patch firmware address hibyte
-	lda	ptr1+1
-	sta	lookup+2
-	sta	xparam+1
-	sta	jump+2
-
-	; Disable interrupts now because setting the slot number makes 
-	; the IRQ handler (maybe called due to some non-mouse IRQ) try
-	; calling the firmware which isn't correctly set up yet
-	sei
-
-	; Convert to and save slot number
-	and	#$0F
-	sta	slot
-
-	; Convert to and patch I/O register index
-	asl
-	asl
-	asl
-	asl
-	sta	yparam+1
-	
-	; The AppleMouse II Card needs the ROM switched in
-	; to be able to detect an Apple //e and use RDVBL
-	bit	$C082
-
-	; Reset mouse hardware
-	ldx	#INITMOUSE
-	jsr	firmware
-	
-	; Switch in LC bank 2 for R/O
-	bit	$C080
-
-	; Turn mouse on
-	lda	#%00000001
-	ldx	#SETMOUSE
-	jsr	firmware
-
-	; Set initial mouse clamps
-	lda	#inibox
-	jsr	SETBOX
-
-	; Set initial mouse position
-	ldx	slot
-	lda	#<(279 / 2)
-	sta	pos1_lo,x
-	lda	#>(279 / 2)
-	sta	pos1_hi,x
-	lda	#<(191 / 2)
-	sta	pos2_lo,x
-	lda	#>(191 / 2)
-	sta	pos2_hi,x
-	ldx	#POSMOUSE
-	jsr	firmware
-
-	; Update cursor
-	jsr	update
-
-	; Turn VBL interrupt on
-	lda	#%00001001
-	ldx	#SETMOUSE
-common:	jsr	firmware
-
-	; Enable interrupts and return success
-	cli
-	lda	#MOUSE_ERR_OK
-	rts
+        lda     #<$C000
+        sta     ptr1
+        lda     #>$C000
+        sta     ptr1+1
+
+        ; Search for AppleMouse II firmware in slots 1 - 7
+next:   inc     ptr1+1
+        lda     ptr1+1
+        cmp     #>$C800
+        bcc     :+
+
+        ; Mouse firmware not found
+        lda     #MOUSE_ERR_NO_DEVICE
+        rts
+
+        ; Check Pascal 1.1 Firmware Protocol ID bytes
+:       ldx     #size - 1
+:       ldy     offsets,x
+        lda     values,x
+        cmp     (ptr1),y
+        bne     next
+        dex
+        bpl     :-
+
+        ; Get and patch firmware address hibyte
+        lda     ptr1+1
+        sta     lookup+2
+        sta     xparam+1
+        sta     jump+2
+
+        ; Disable interrupts now because setting the slot number makes 
+        ; the IRQ handler (maybe called due to some non-mouse IRQ) try
+        ; calling the firmware which isn't correctly set up yet
+        sei
+
+        ; Convert to and save slot number
+        and     #$0F
+        sta     slot
+
+        ; Convert to and patch I/O register index
+        asl
+        asl
+        asl
+        asl
+        sta     yparam+1
+        
+        ; The AppleMouse II Card needs the ROM switched in
+        ; to be able to detect an Apple //e and use RDVBL
+        bit     $C082
+
+        ; Reset mouse hardware
+        ldx     #INITMOUSE
+        jsr     firmware
+        
+        ; Switch in LC bank 2 for R/O
+        bit     $C080
+
+        ; Turn mouse on
+        lda     #%00000001
+        ldx     #SETMOUSE
+        jsr     firmware
+
+        ; Set initial mouse clamps
+        lda     #inibox
+        jsr     SETBOX
+
+        ; Set initial mouse position
+        ldx     slot
+        lda     #<(279 / 2)
+        sta     pos1_lo,x
+        lda     #>(279 / 2)
+        sta     pos1_hi,x
+        lda     #<(191 / 2)
+        sta     pos2_lo,x
+        lda     #>(191 / 2)
+        sta     pos2_hi,x
+        ldx     #POSMOUSE
+        jsr     firmware
+
+        ; Update cursor
+        jsr     update
+
+        ; Turn VBL interrupt on
+        lda     #%00001001
+        ldx     #SETMOUSE
+common: jsr     firmware
+
+        ; Enable interrupts and return success
+        cli
+        lda     #MOUSE_ERR_OK
+        rts
 
 ; UNINSTALL: Is called before the driver is removed from memory.
 ; No return code required (the driver is removed from memory on return).
 UNINSTALL:
-	; Hide cursor
-	sei
-	jsr	CHIDE
+        ; Hide cursor
+        sei
+        jsr     CHIDE
 
-	; Turn mouse off
-	lda	#%00000000
-	ldx	#SETMOUSE
-	bne	common		; Branch always
+        ; Turn mouse off
+        lda     #%00000000
+        ldx     #SETMOUSE
+        bne     common          ; Branch always
 
 ; SETBOX: Set the mouse bounding box. The parameters are passed as they come
 ; from the C program, that is, a pointer to a mouse_box struct in A/X.
@@ -224,62 +224,62 @@ UNINSTALL:
 ; of the caller. It is not necessary to validate the parameters, trust the
 ; caller and save some code here. No return code required.
 SETBOX:
-	sta	ptr1
-	stx	ptr1+1
+        sta     ptr1
+        stx     ptr1+1
+        
+        ; Set x clamps
+        ldx     #$00
+        ldy     #MOUSE_BOX::MINX
+        jsr     :+
         
-	; Set x clamps
-	ldx	#$00
-	ldy	#MOUSE_BOX::MINX
-	jsr	:+
-	
-	; Set y clamps
-	ldx	#$01
-	ldy	#MOUSE_BOX::MINY
-
-	; Apple II Mouse TechNote #1, Interrupt Environment with the Mouse:
-	; "Disable interrupts before placing position information in the
-	;  screen holes."
-:	sei
-
-	; Set low clamp
-	lda	(ptr1),y
-	sta	box,y
-	sta	pos1_lo
-	iny
-	lda	(ptr1),y
-	sta	box,y 	
-	sta	pos1_hi
-
-	; Skip one word
-	iny
-	iny
-
-	; Set high clamp
-	iny
-	lda	(ptr1),y
-	sta	box,y 	
-	sta	pos2_lo
-	iny
-	lda	(ptr1),y
-	sta	box,y 	
-	sta	pos2_hi
-
-	txa
-	ldx	#CLAMPMOUSE
-	bne	common		; Branch always
+        ; Set y clamps
+        ldx     #$01
+        ldy     #MOUSE_BOX::MINY
+
+        ; Apple II Mouse TechNote #1, Interrupt Environment with the Mouse:
+        ; "Disable interrupts before placing position information in the
+        ;  screen holes."
+:       sei
+
+        ; Set low clamp
+        lda     (ptr1),y
+        sta     box,y
+        sta     pos1_lo
+        iny
+        lda     (ptr1),y
+        sta     box,y   
+        sta     pos1_hi
+
+        ; Skip one word
+        iny
+        iny
+
+        ; Set high clamp
+        iny
+        lda     (ptr1),y
+        sta     box,y   
+        sta     pos2_lo
+        iny
+        lda     (ptr1),y
+        sta     box,y   
+        sta     pos2_hi
+
+        txa
+        ldx     #CLAMPMOUSE
+        bne     common          ; Branch always
 
 ; GETBOX: Return the mouse bounding box. The parameters are passed as they
 ; come from the C program, that is, a pointer to a mouse_box struct in A/X.
 GETBOX:
-	sta	ptr1
-	stx	ptr1+1
+        sta     ptr1
+        stx     ptr1+1
 
-	ldy	#.sizeof(MOUSE_BOX)-1
-:	lda	box,y
-	sta	(ptr1),y
-	dey
-	bpl	:-
-	rts
+        ldy     #.sizeof(MOUSE_BOX)-1
+:       lda     box,y
+        sta     (ptr1),y
+        dey
+        bpl     :-
+        rts
 
 ; MOVE: Move the mouse to a new position. The position is passed as it comes
 ; from the C program, that is: x on the stack and y in A/X. The C wrapper will
@@ -287,148 +287,148 @@ GETBOX:
 ; No checks are done if the new position is valid (within the bounding box or
 ; the screen). No return code required.
 MOVE:
-	ldy	slot
-	sei
+        ldy     slot
+        sei
 
-	; Set y
-	sta	pos2_lo,y
-	txa
-	sta	pos2_hi,y
+        ; Set y
+        sta     pos2_lo,y
+        txa
+        sta     pos2_hi,y
 
-	tya
-	tax
-	ldy	#$00		; Start at top of stack
+        tya
+        tax
+        ldy     #$00            ; Start at top of stack
 
-	; Set x
-	lda	(sp),y
-	iny
-	sta	pos1_lo,x
-	lda	(sp),y
-	sta	pos1_hi,x
+        ; Set x
+        lda     (sp),y
+        iny
+        sta     pos1_lo,x
+        lda     (sp),y
+        sta     pos1_hi,x
 
-	; Update cursor
-	jsr	update
+        ; Update cursor
+        jsr     update
 
-	ldx	#POSMOUSE
-	bne	common		; Branch always
+        ldx     #POSMOUSE
+        bne     common          ; Branch always
 
 ; HIDE: Is called to hide the mouse cursor. The mouse kernel manages a
 ; counter for calls to show/hide, and the driver entry point is only called
 ; if the mouse is currently visible and should get hidden. For most drivers,
-; no special action is required	besides	hiding the mouse cursor.
+; no special action is required besides hiding the mouse cursor.
 ; No return code required.
 HIDE:
-	dec	visible
-	sei
-	jsr	CHIDE
-	cli
-	rts
+        dec     visible
+        sei
+        jsr     CHIDE
+        cli
+        rts
 
-; SHOW:	Is called to show the mouse cursor. The mouse kernel manages a
+; SHOW: Is called to show the mouse cursor. The mouse kernel manages a
 ; counter for calls to show/hide, and the driver entry point is only called
 ; if the mouse is currently hidden and should become visible. For most drivers,
-; no special action is required	besides	enabling the mouse cursor.
+; no special action is required besides enabling the mouse cursor.
 ; No return code required.
 SHOW:
-	inc	visible
-	rts
+        inc     visible
+        rts
 
 ; BUTTONS: Return the button mask in A/X.
 BUTTONS:
-	lda	info + MOUSE_INFO::BUTTONS
-	ldx	#$00
-	rts
+        lda     info + MOUSE_INFO::BUTTONS
+        ldx     #$00
+        rts
 
 ; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
 ; No return code required.
 POS:
-	ldy	#.sizeof(MOUSE_POS)-1
-	bne	copy		; Branch always
+        ldy     #.sizeof(MOUSE_POS)-1
+        bne     copy            ; Branch always
 
 ; INFO: Returns mouse position and current button mask in the MOUSE_INFO
 ; struct pointed to by ptr1. No return code required.
 INFO:
-	ldy	#.sizeof(MOUSE_INFO)-1
-copy:	sei
-:	lda	info,y
-	sta	(ptr1),y
-	dey
-	bpl	:-
-	cli
-	rts
+        ldy     #.sizeof(MOUSE_INFO)-1
+copy:   sei
+:       lda     info,y
+        sta     (ptr1),y
+        dey
+        bpl     :-
+        cli
+        rts
 
 ; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
 ; specific data in ptr1, and the ioctl code in A.
 ; Must return an MOUSE_ERR_xx code in A/X.
 IOCTL:
-	lda     #MOUSE_ERR_INV_IOCTL
-	rts
+        lda     #MOUSE_ERR_INV_IOCTL
+        rts
 
 ; IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
 ; registers are already saved, no parameters are passed, but the carry flag
 ; is clear on entry. The routine must return with carry set if the interrupt
 ; was handled, otherwise with carry clear.
 IRQ:
-	; Check for installed mouse
-	lda	slot
-	beq	done
-
-	; Check for mouse interrupt
-	ldx	#SERVEMOUSE
-	jsr	firmware
-	bcc	:+
-	clc			; Interrupt not handled
-done:	rts
-
-:	ldx	#READMOUSE
-	jsr	firmware
-
-	; Get status
-	ldy	slot
-	lda	status,y
-	tax			; Save status
-
-	; Extract button down values
-	asl			;  C = Button 0 is currently down
-	and	#%00100000	; !Z = Button 1 is currently down
-
-	; Set button mask
-	beq	:+
-	lda	#MOUSE_BTN_RIGHT
-:	bcc	:+
-	ora	#MOUSE_BTN_LEFT
-:	sta	info + MOUSE_INFO::BUTTONS
-
-	; Check for mouse movement
-	txa			; Restore status
-	and	#%00100000	; X or Y changed since last READMOUSE
-	beq	:+
-
-	; Remove the cursor at the old position
-update:	jsr	CHIDE
-
-	; Get and set the new X position
-	ldy	slot
-	lda	pos1_lo,y
-	ldx	pos1_hi,y
-	sta	info + MOUSE_POS::XCOORD
-	stx	info + MOUSE_POS::XCOORD+1
-	jsr	CMOVEX
-
-	; Get and set the new Y position
-	ldy	slot
-	lda	pos2_lo,y
-	ldx	pos2_hi,y
-	sta	info + MOUSE_POS::YCOORD
-	stx	info + MOUSE_POS::YCOORD+1
-	jsr	CMOVEY
-
-	; Check for visibility
-:	lda	visible
-	beq	:+
-
-	; Draw the cursor at the new position
-	jsr	CSHOW
-:	sec			; Interrupt handled
-	rts
+        ; Check for installed mouse
+        lda     slot
+        beq     done
+
+        ; Check for mouse interrupt
+        ldx     #SERVEMOUSE
+        jsr     firmware
+        bcc     :+
+        clc                     ; Interrupt not handled
+done:   rts
+
+:       ldx     #READMOUSE
+        jsr     firmware
+
+        ; Get status
+        ldy     slot
+        lda     status,y
+        tax                     ; Save status
+
+        ; Extract button down values
+        asl                     ;  C = Button 0 is currently down
+        and     #%00100000      ; !Z = Button 1 is currently down
+
+        ; Set button mask
+        beq     :+
+        lda     #MOUSE_BTN_RIGHT
+:       bcc     :+
+        ora     #MOUSE_BTN_LEFT
+:       sta     info + MOUSE_INFO::BUTTONS
+
+        ; Check for mouse movement
+        txa                     ; Restore status
+        and     #%00100000      ; X or Y changed since last READMOUSE
+        beq     :+
+
+        ; Remove the cursor at the old position
+update: jsr     CHIDE
+
+        ; Get and set the new X position
+        ldy     slot
+        lda     pos1_lo,y
+        ldx     pos1_hi,y
+        sta     info + MOUSE_POS::XCOORD
+        stx     info + MOUSE_POS::XCOORD+1
+        jsr     CMOVEX
+
+        ; Get and set the new Y position
+        ldy     slot
+        lda     pos2_lo,y
+        ldx     pos2_hi,y
+        sta     info + MOUSE_POS::YCOORD
+        stx     info + MOUSE_POS::YCOORD+1
+        jsr     CMOVEY
+
+        ; Check for visibility
+:       lda     visible
+        beq     :+
+
+        ; Draw the cursor at the new position
+        jsr     CSHOW
+:       sec                     ; Interrupt handled
+        rts
diff --git a/libsrc/apple2/mouse_stat_stddrv.s b/libsrc/apple2/mouse_stat_stddrv.s
index 4ca1e7f04..dcb3be9ca 100644
--- a/libsrc/apple2/mouse_stat_stddrv.s
+++ b/libsrc/apple2/mouse_stat_stddrv.s
@@ -6,16 +6,16 @@
 ; const void mouse_static_stddrv[];
 ;
 
-        .export	_mouse_static_stddrv
-        .ifdef	__APPLE2ENH__
-        .import	_a2e_stdmou_mou
+        .export _mouse_static_stddrv
+        .ifdef  __APPLE2ENH__
+        .import _a2e_stdmou_mou
         .else
-        .import	_a2_stdmou_mou
+        .import _a2_stdmou_mou
         .endif
 
 .rodata
 
-        .ifdef	__APPLE2ENH__
+        .ifdef  __APPLE2ENH__
 _mouse_static_stddrv := _a2e_stdmou_mou
         .else
 _mouse_static_stddrv := _a2_stdmou_mou
diff --git a/libsrc/apple2/mouse_stddrv.s b/libsrc/apple2/mouse_stddrv.s
index a58767e0d..876fbb4af 100644
--- a/libsrc/apple2/mouse_stddrv.s
+++ b/libsrc/apple2/mouse_stddrv.s
@@ -6,13 +6,13 @@
 ; const char mouse_stddrv[];
 ;
 
-        .export	_mouse_stddrv
+        .export _mouse_stddrv
 
 .rodata
 
 _mouse_stddrv:
-        .ifdef	__APPLE2ENH__
-        .asciiz	"A2E.STDMOU.MOU"
+        .ifdef  __APPLE2ENH__
+        .asciiz "A2E.STDMOU.MOU"
         .else
-        .asciiz	"A2.STDMOU.MOU"
+        .asciiz "A2.STDMOU.MOU"
         .endif
diff --git a/libsrc/apple2/open.s b/libsrc/apple2/open.s
index 078cfdd48..db40c3c74 100644
--- a/libsrc/apple2/open.s
+++ b/libsrc/apple2/open.s
@@ -4,28 +4,28 @@
 ; int open (const char* name, int flags, ...);
 ;
 
-        .export 	_open, closedirect, freebuffer
-        .export 	__filetype, __auxtype
-        .constructor	raisefilelevel
-        .destructor	closeallfiles, 5
+        .export         _open, closedirect, freebuffer
+        .export         __filetype, __auxtype
+        .constructor    raisefilelevel
+        .destructor     closeallfiles, 5
 
-        .import		pushname, popname, __dos_type
-        .import		iobuf_alloc, iobuf_free
-        .import 	addysp, incsp4, incaxy, pushax, popax
+        .import         pushname, popname, __dos_type
+        .import         iobuf_alloc, iobuf_free
+        .import         addysp, incsp4, incaxy, pushax, popax
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"fcntl.inc"
-        .include	"mli.inc"
-        .include	"filedes.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "fcntl.inc"
+        .include        "mli.inc"
+        .include        "filedes.inc"
 
-        .segment	"INIT"
+        .segment        "INIT"
 
 raisefilelevel:
         ; Raise file level
-        lda	__dos_type
-        beq	:+
-        inc	LEVEL
+        lda     __dos_type
+        beq     :+
+        inc     LEVEL
 :       rts
 
         .code
@@ -37,14 +37,14 @@ _open:
         dey
         dey
         dey
-        jsr	addysp
+        jsr     addysp
 
         ; Start with first fdtab slot
-        ldy	#$00
+        ldy     #$00
 
         ; Check for free fdtab slot
-:       lda	fdtab + FD::REF_NUM,y
-        beq	found
+:       lda     fdtab + FD::REF_NUM,y
+        beq     found
 
         ; Advance to next fdtab slot
         .assert .sizeof(FD) = 4, error
@@ -54,149 +54,149 @@ _open:
         iny
 
         ; Check for end of fdtab
-        cpy	#MAX_FDS * .sizeof(FD)
-        bcc	:-
+        cpy     #MAX_FDS * .sizeof(FD)
+        bcc     :-
 
         ; Load errno code
-        lda	#EMFILE
+        lda     #EMFILE
 
         ; Cleanup stack
-errno:  jsr	incsp4		; Preserves A
+errno:  jsr     incsp4          ; Preserves A
 
         ; Set __errno
-        jmp	__directerrno
+        jmp     __directerrno
 
         ; Save fdtab slot
 found:  tya
         pha
 
         ; Alloc I/O buffer
-	lda	#<(fdtab + FD::BUFFER)
-	ldx	#>(fdtab + FD::BUFFER)
-	jsr	incaxy
-	jsr	pushax
-        lda	#$00
-        ldx	#>$0100
-        jsr	pushax		; Preserves A
-        ldx	#>$0400
-        jsr	iobuf_alloc
-	tay			; Save errno code
+        lda     #<(fdtab + FD::BUFFER)
+        ldx     #>(fdtab + FD::BUFFER)
+        jsr     incaxy
+        jsr     pushax
+        lda     #$00
+        ldx     #>$0100
+        jsr     pushax          ; Preserves A
+        ldx     #>$0400
+        jsr     iobuf_alloc
+        tay                     ; Save errno code
 
         ; Restore fdtab slot
         pla
-        sta	tmp2		; Save fdtab slot
+        sta     tmp2            ; Save fdtab slot
 
         ; Check for error
-        tya			; Restore errno code
-        bne	errno
+        tya                     ; Restore errno code
+        bne     errno
 
         ; Get and save flags
-        jsr	popax
-        sta	tmp3
+        jsr     popax
+        sta     tmp3
 
         ; Get and push name
-        jsr	popax
-        jsr	pushname
-        bne	oserr1
+        jsr     popax
+        jsr     pushname
+        bne     oserr1
 
         ; Set pushed name
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::OPEN::PATHNAME
-        stx	mliparam + MLI::OPEN::PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::OPEN::PATHNAME
+        stx     mliparam + MLI::OPEN::PATHNAME+1
 
         ; Check for create flag
-        lda	tmp3		; Restore flags
-        and	#O_CREAT
-        beq	open
+        lda     tmp3            ; Restore flags
+        and     #O_CREAT
+        beq     open
 
         ; PATHNAME already set
         .assert MLI::CREATE::PATHNAME = MLI::OPEN::PATHNAME, error
 
         ; Set all other parameters from template
-        ldx	#(MLI::CREATE::CREATE_TIME+1) - (MLI::CREATE::PATHNAME+1) - 1
-:       lda	CREATE,x
-        sta	mliparam + MLI::CREATE::ACCESS,x
+        ldx     #(MLI::CREATE::CREATE_TIME+1) - (MLI::CREATE::PATHNAME+1) - 1
+:       lda     CREATE,x
+        sta     mliparam + MLI::CREATE::ACCESS,x
         dex
-        bpl	:-
+        bpl     :-
 
         ; Create file
-        lda	#CREATE_CALL
-        ldx	#CREATE_COUNT
-        jsr	callmli
-        bcc	open
+        lda     #CREATE_CALL
+        ldx     #CREATE_COUNT
+        jsr     callmli
+        bcc     open
 
         ; Check for ordinary errors
-        cmp	#$47		; "Duplicate filename"
-        bne	oserr2
+        cmp     #$47            ; "Duplicate filename"
+        bne     oserr2
 
         ; Check for exclusive flag
-        lda	tmp3		; Restore flags
-        and	#O_EXCL
-        beq	open
+        lda     tmp3            ; Restore flags
+        and     #O_EXCL
+        beq     open
 
-        lda	#$47		; "Duplicate filename"
+        lda     #$47            ; "Duplicate filename"
 
         ; Cleanup name
-oserr2: jsr	popname		; Preserves A
+oserr2: jsr     popname         ; Preserves A
 
-oserr1: ldy	tmp2		; Restore fdtab slot
+oserr1: ldy     tmp2            ; Restore fdtab slot
 
         ; Cleanup I/O buffer
-        pha			; Save oserror code
-        jsr	freebuffer
-        pla			; Restore oserror code
+        pha                     ; Save oserror code
+        jsr     freebuffer
+        pla                     ; Restore oserror code
 
         ; Set __oserror
-        jmp	__mappederrno
+        jmp     __mappederrno
 
-open:   ldy	tmp2		; Restore fdtab slot
+open:   ldy     tmp2            ; Restore fdtab slot
 
         ; Set allocated I/O buffer
-        ldx	fdtab + FD::BUFFER+1,y
-        sta	mliparam + MLI::OPEN::IO_BUFFER		; A = 0
-        stx	mliparam + MLI::OPEN::IO_BUFFER+1
+        ldx     fdtab + FD::BUFFER+1,y
+        sta     mliparam + MLI::OPEN::IO_BUFFER         ; A = 0
+        stx     mliparam + MLI::OPEN::IO_BUFFER+1
 
         ; Open file
-        lda	#OPEN_CALL
-        ldx	#OPEN_COUNT
-        jsr	callmli
-        bcs	oserr2
+        lda     #OPEN_CALL
+        ldx     #OPEN_COUNT
+        jsr     callmli
+        bcs     oserr2
 
         ; Get and save fd
-        ldx	mliparam + MLI::OPEN::REF_NUM
-        stx	tmp1		; Save fd
+        ldx     mliparam + MLI::OPEN::REF_NUM
+        stx     tmp1            ; Save fd
 
         ; Set flags and check for truncate flag
-        lda	tmp3		; Restore flags
-        sta	fdtab + FD::FLAGS,y
-        and	#O_TRUNC
-        beq	done
+        lda     tmp3            ; Restore flags
+        sta     fdtab + FD::FLAGS,y
+        and     #O_TRUNC
+        beq     done
 
         ; Set fd and zero size
-        stx	mliparam + MLI::EOF::REF_NUM
-        ldx	#$02
-        lda	#$00
-:       sta	mliparam + MLI::EOF::EOF,x
+        stx     mliparam + MLI::EOF::REF_NUM
+        ldx     #$02
+        lda     #$00
+:       sta     mliparam + MLI::EOF::EOF,x
         dex
-        bpl	:-
+        bpl     :-
 
         ; Set file size
-        lda	#SET_EOF_CALL
-        ldx	#EOF_COUNT
-        jsr	callmli
-        bcc	done
+        lda     #SET_EOF_CALL
+        ldx     #EOF_COUNT
+        jsr     callmli
+        bcc     done
 
         ; Cleanup file
-        pha			; Save oserror code
-        lda	tmp1		; Restore fd
-        jsr	closedirect
-        pla			; Restore oserror code
-        bne	oserr2		; Branch always
+        pha                     ; Save oserror code
+        lda     tmp1            ; Restore fd
+        jsr     closedirect
+        pla                     ; Restore oserror code
+        bne     oserr2          ; Branch always
 
         ; Store fd
-done:   lda	tmp1		; Restore fd
-        sta	fdtab + FD::REF_NUM,y
+done:   lda     tmp1            ; Restore fd
+        sta     fdtab + FD::REF_NUM,y
 
         ; Convert fdtab slot to handle
         .assert .sizeof(FD) = 4, error
@@ -205,46 +205,46 @@ done:   lda	tmp1		; Restore fd
         lsr
 
         ; Cleanup name
-        jsr	popname		; Preserves A
+        jsr     popname         ; Preserves A
 
         ; Return success
-        ldx	#$00
-        stx	__oserror
+        ldx     #$00
+        stx     __oserror
         rts
 
 freebuffer:
         ; Free I/O buffer
-        lda	#$00
-        ldx	fdtab + FD::BUFFER+1,y
-        jmp	iobuf_free
+        lda     #$00
+        ldx     fdtab + FD::BUFFER+1,y
+        jmp     iobuf_free
 
 closedirect:
         ; Set fd
-        sta	mliparam + MLI::CLOSE::REF_NUM
+        sta     mliparam + MLI::CLOSE::REF_NUM
 
         ; Call close
-        lda	#CLOSE_CALL
-        ldx	#CLOSE_COUNT
-        jmp	callmli
+        lda     #CLOSE_CALL
+        ldx     #CLOSE_COUNT
+        jmp     callmli
 
 closeallfiles:
         ; All open files with current level (or higher)
-        lda	#$00
-        jsr	closedirect
+        lda     #$00
+        jsr     closedirect
 
         ; Restore original file level
-        lda	__dos_type
-        beq	:+
-        dec	LEVEL
+        lda     __dos_type
+        beq     :+
+        dec     LEVEL
 :       rts
 
         .data
 
-CREATE: .byte	%11000011	; ACCESS:	Standard full access
+CREATE: .byte   %11000011       ; ACCESS:       Standard full access
 __filetype:
-        .byte	$06		; FILE_TYPE:	Standard binary file
+        .byte   $06             ; FILE_TYPE:    Standard binary file
 __auxtype:
-        .word	$0000		; AUX_TYPE:	Load address N/A
-        .byte	$01		; STORAGE_TYPE:	Standard seedling file
-        .word	$0000		; CREATE_DATE:	Current date
-        .word	$0000		; CREATE_TIME:	Current time
+        .word   $0000           ; AUX_TYPE:     Load address N/A
+        .byte   $01             ; STORAGE_TYPE: Standard seedling file
+        .word   $0000           ; CREATE_DATE:  Current date
+        .word   $0000           ; CREATE_TIME:  Current time
diff --git a/libsrc/apple2/opendir.c b/libsrc/apple2/opendir.c
index 3b6c45d94..040593118 100644
--- a/libsrc/apple2/opendir.c
+++ b/libsrc/apple2/opendir.c
@@ -52,7 +52,7 @@ extern char _cwd[FILENAME_MAX];
 
 
 /*****************************************************************************/
-/*		   		     Code	   			     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
@@ -64,44 +64,44 @@ DIR* __fastcall__ opendir (register const char* name)
     /* Alloc DIR */
     if ((dir = malloc (sizeof (*dir))) == NULL) {
 
-	/* May not have been done by malloc() */
-	_directerrno (ENOMEM);
+        /* May not have been done by malloc() */
+        _directerrno (ENOMEM);
 
-	/* Return failure */
-	return NULL;
+        /* Return failure */
+        return NULL;
     }
 
     /* Interpret dot as current working directory */
     if (*name == '.') {
-	name = _cwd;
+        name = _cwd;
     }
 
     /* Open directory file */
     if ((dir->fd = open (name, O_RDONLY)) != -1) {
 
-	/* Read directory key block */
-	if (read (dir->fd,
-		  dir->block.bytes,
-		  sizeof (dir->block)) == sizeof (dir->block)) {
+        /* Read directory key block */
+        if (read (dir->fd,
+                  dir->block.bytes,
+                  sizeof (dir->block)) == sizeof (dir->block)) {
 
-	    /* Get directory entry infos from directory header */
-	    dir->entry_length      = dir->block.bytes[0x23];
-	    dir->entries_per_block = dir->block.bytes[0x24];
+            /* Get directory entry infos from directory header */
+            dir->entry_length      = dir->block.bytes[0x23];
+            dir->entries_per_block = dir->block.bytes[0x24];
 
-	    /* Skip directory header entry */
-	    dir->current_entry = 1;
+            /* Skip directory header entry */
+            dir->current_entry = 1;
 
-	    /* Return success */
-	    return dir;
-	}
+            /* Return success */
+            return dir;
+        }
 
-	/* EOF: Most probably no directory file at all */
-	if (_oserror == 0) {
-	    _directerrno (EINVAL);
-	}
+        /* EOF: Most probably no directory file at all */
+        if (_oserror == 0) {
+            _directerrno (EINVAL);
+        }
 
-	/* Cleanup directory file */
-	close (dir->fd);
+        /* Cleanup directory file */
+        close (dir->fd);
     }
 
     /* Cleanup DIR */
diff --git a/libsrc/apple2/oserrlist.s b/libsrc/apple2/oserrlist.s
index 2ec5c6f19..6fd711ee8 100644
--- a/libsrc/apple2/oserrlist.s
+++ b/libsrc/apple2/oserrlist.s
@@ -41,36 +41,36 @@ End:
 .rodata
 
 __sys_oserrlist:
-       	sys_oserr_entry         $01, "Bad system call number"
-       	sys_oserr_entry         $04, "Bad system call parameter count"
-       	sys_oserr_entry         $25, "Interrupt table full"
-       	sys_oserr_entry         $27, "I/O error"
-       	sys_oserr_entry         $28, "No device connected"
-       	sys_oserr_entry         $2B, "Disk write protected"
-       	sys_oserr_entry         $2E, "Disk switched"
-       	sys_oserr_entry         $2F, "Device off-line"
-       	sys_oserr_entry         $40, "Invalid pathname"
-       	sys_oserr_entry         $42, "Maximum number of files open"
-       	sys_oserr_entry         $43, "Invalid reference number"
-       	sys_oserr_entry         $44, "Directory not found"
-       	sys_oserr_entry         $45, "Volume not found"
-       	sys_oserr_entry         $46, "File not found"
-       	sys_oserr_entry         $47, "Duplicate filename"
-       	sys_oserr_entry         $48, "Volume full"
-       	sys_oserr_entry         $49, "Volume directory full"
-       	sys_oserr_entry         $4A, "Incompatible file format"
-       	sys_oserr_entry         $4B, "Unsupported storage_type"
-       	sys_oserr_entry         $4C, "End of file encountered"
-       	sys_oserr_entry         $4D, "Position out of range"
-       	sys_oserr_entry         $4E, "File access error"
-       	sys_oserr_entry         $50, "File is open"
-       	sys_oserr_entry         $51, "Directory structure damaged"
-       	sys_oserr_entry         $52, "Not a ProDOS disk"
-       	sys_oserr_entry         $53, "Invalid system call parameter"
-       	sys_oserr_entry         $55, "Volume Control Block table full"
-       	sys_oserr_entry         $56, "Bad buffer address"
-       	sys_oserr_entry         $57, "Duplicate volume"
-       	sys_oserr_entry         $5A, "File structure damaged"
+        sys_oserr_entry         $01, "Bad system call number"
+        sys_oserr_entry         $04, "Bad system call parameter count"
+        sys_oserr_entry         $25, "Interrupt table full"
+        sys_oserr_entry         $27, "I/O error"
+        sys_oserr_entry         $28, "No device connected"
+        sys_oserr_entry         $2B, "Disk write protected"
+        sys_oserr_entry         $2E, "Disk switched"
+        sys_oserr_entry         $2F, "Device off-line"
+        sys_oserr_entry         $40, "Invalid pathname"
+        sys_oserr_entry         $42, "Maximum number of files open"
+        sys_oserr_entry         $43, "Invalid reference number"
+        sys_oserr_entry         $44, "Directory not found"
+        sys_oserr_entry         $45, "Volume not found"
+        sys_oserr_entry         $46, "File not found"
+        sys_oserr_entry         $47, "Duplicate filename"
+        sys_oserr_entry         $48, "Volume full"
+        sys_oserr_entry         $49, "Volume directory full"
+        sys_oserr_entry         $4A, "Incompatible file format"
+        sys_oserr_entry         $4B, "Unsupported storage_type"
+        sys_oserr_entry         $4C, "End of file encountered"
+        sys_oserr_entry         $4D, "Position out of range"
+        sys_oserr_entry         $4E, "File access error"
+        sys_oserr_entry         $50, "File is open"
+        sys_oserr_entry         $51, "Directory structure damaged"
+        sys_oserr_entry         $52, "Not a ProDOS disk"
+        sys_oserr_entry         $53, "Invalid system call parameter"
+        sys_oserr_entry         $55, "Volume Control Block table full"
+        sys_oserr_entry         $56, "Bad buffer address"
+        sys_oserr_entry         $57, "Duplicate volume"
+        sys_oserr_entry         $5A, "File structure damaged"
         sys_oserr_sentinel      "Unknown error"
 
 
diff --git a/libsrc/apple2/oserror.s b/libsrc/apple2/oserror.s
index 293c4c866..f16aa4960 100644
--- a/libsrc/apple2/oserror.s
+++ b/libsrc/apple2/oserror.s
@@ -4,59 +4,59 @@
 ; int __fastcall__ _osmaperrno (unsigned char oserror);
 ;
 
-        .export 	__osmaperrno
+        .export         __osmaperrno
 
-        .include	"errno.inc"
+        .include        "errno.inc"
 
 __osmaperrno:
-        ldx	#ErrTabSize
-:       cmp	ErrTab-2,x	; Search for the error code
-        beq	:+		; Jump if found
+        ldx     #ErrTabSize
+:       cmp     ErrTab-2,x      ; Search for the error code
+        beq     :+              ; Jump if found
         dex
         dex
-        bne	:-		; Next entry
+        bne     :-              ; Next entry
 
         ; Code not found, return EUNKNOWN
-        lda	#EUNKNOWN
+        lda     #EUNKNOWN
         rts
 
         ; Found the code
-:       lda	ErrTab-1,x
-        ldx	#$00		; High byte always zero
+:       lda     ErrTab-1,x
+        ldx     #$00            ; High byte always zero
         rts
 
         .rodata
 
-ErrTab: .byte   $01, ENOSYS	; Bad system call number
-        .byte	$04, EINVAL	; Bad system call parameter count
-        .byte	$25, ENOMEM	; Interrupt table full
-        .byte	$27, EIO	; I/O error
-        .byte	$28, ENODEV	; No device connected
-        .byte	$2B, EACCES	; Disk write protected
-;       .byte	$2E, EUNKNOWN	; Disk switched
-        .byte	$2F, ENODEV	; Device off-line
-        .byte	$40, EINVAL	; Invalid pathname
-        .byte	$42, EMFILE	; Maximum number of files open
-        .byte	$43, EINVAL	; Invalid reference number
-        .byte	$44, ENOENT	; Directory not found
-        .byte	$45, ENOENT	; Volume not found
-        .byte	$46, ENOENT	; File not found
-        .byte	$47, EEXIST	; Duplicate filename
-        .byte	$48, ENOSPC	; Volume full
-        .byte	$49, ENOSPC	; Volume directory full
-;       .byte	$4A, EUNKNOWN	; Incompatible file format
-        .byte	$4B, EINVAL	; Unsupported storage_type
-;       .byte	$4C, EUNKNOWN	; End of file encountered
-        .byte	$4D, ESPIPE	; Position out of range
-        .byte	$4E, EACCES	; File access error
-        .byte	$50, EINVAL	; File is open
-;       .byte	$51, EUNKNOWN	; Directory structure damaged
-        .byte	$52, ENODEV	; Not a ProDOS volume
-        .byte	$53, ERANGE	; Invalid system call parameter
-        .byte	$55, EMFILE	; Volume Control Block table full
-        .byte	$56, EINVAL	; Bad buffer address
-;       .byte	$57, EUNKNOWN	; Duplicate volume
-;       .byte	$5A, EUNKNOWN	; File structure damaged
+ErrTab: .byte   $01, ENOSYS     ; Bad system call number
+        .byte   $04, EINVAL     ; Bad system call parameter count
+        .byte   $25, ENOMEM     ; Interrupt table full
+        .byte   $27, EIO        ; I/O error
+        .byte   $28, ENODEV     ; No device connected
+        .byte   $2B, EACCES     ; Disk write protected
+;       .byte   $2E, EUNKNOWN   ; Disk switched
+        .byte   $2F, ENODEV     ; Device off-line
+        .byte   $40, EINVAL     ; Invalid pathname
+        .byte   $42, EMFILE     ; Maximum number of files open
+        .byte   $43, EINVAL     ; Invalid reference number
+        .byte   $44, ENOENT     ; Directory not found
+        .byte   $45, ENOENT     ; Volume not found
+        .byte   $46, ENOENT     ; File not found
+        .byte   $47, EEXIST     ; Duplicate filename
+        .byte   $48, ENOSPC     ; Volume full
+        .byte   $49, ENOSPC     ; Volume directory full
+;       .byte   $4A, EUNKNOWN   ; Incompatible file format
+        .byte   $4B, EINVAL     ; Unsupported storage_type
+;       .byte   $4C, EUNKNOWN   ; End of file encountered
+        .byte   $4D, ESPIPE     ; Position out of range
+        .byte   $4E, EACCES     ; File access error
+        .byte   $50, EINVAL     ; File is open
+;       .byte   $51, EUNKNOWN   ; Directory structure damaged
+        .byte   $52, ENODEV     ; Not a ProDOS volume
+        .byte   $53, ERANGE     ; Invalid system call parameter
+        .byte   $55, EMFILE     ; Volume Control Block table full
+        .byte   $56, EINVAL     ; Bad buffer address
+;       .byte   $57, EUNKNOWN   ; Duplicate volume
+;       .byte   $5A, EUNKNOWN   ; File structure damaged
 
 ErrTabSize = (* - ErrTab)
diff --git a/libsrc/apple2/randomize.s b/libsrc/apple2/randomize.s
index 76e8dd60f..1558d85a7 100644
--- a/libsrc/apple2/randomize.s
+++ b/libsrc/apple2/randomize.s
@@ -5,8 +5,8 @@
 ; /* Initialize the random number generator */
 ;
 
-    	.export	       	__randomize
-	.import		_srand
+        .export         __randomize
+        .import         _srand
 
         .include        "apple2.inc"
 
diff --git a/libsrc/apple2/rdkey.s b/libsrc/apple2/rdkey.s
index d07888844..15ba4b345 100644
--- a/libsrc/apple2/rdkey.s
+++ b/libsrc/apple2/rdkey.s
@@ -4,17 +4,17 @@
 ; RDKEY routine
 ;
 
-	.export		RDKEY
+        .export         RDKEY
 
-	.include	"apple2.inc"
+        .include        "apple2.inc"
 
-	.segment        "LOWCODE"
+        .segment        "LOWCODE"
 
 RDKEY:
-	; Switch in ROM and call RDKEY
-	bit	$C082
-	jsr	$FD0C		; Display prompt and read key from user input routine
+        ; Switch in ROM and call RDKEY
+        bit     $C082
+        jsr     $FD0C           ; Display prompt and read key from user input routine
 
-	; Switch in LC bank 2 for R/O and return
-	bit	$C080
-	rts
+        ; Switch in LC bank 2 for R/O and return
+        bit     $C080
+        rts
diff --git a/libsrc/apple2/read.s b/libsrc/apple2/read.s
index dccde611f..ef994d6aa 100644
--- a/libsrc/apple2/read.s
+++ b/libsrc/apple2/read.s
@@ -4,104 +4,104 @@
 ; int __fastcall__ read (int fd, void* buf, unsigned count);
 ;
 
-        .constructor	initprompt
-        .export		_read
-        .import		rwprolog, rwcommon
-        .import		RDKEY, COUT
+        .constructor    initprompt
+        .export         _read
+        .import         rwprolog, rwcommon
+        .import         RDKEY, COUT
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"fcntl.inc"
-        .include	"mli.inc"
-        .include	"filedes.inc"
-        .include	"apple2.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "fcntl.inc"
+        .include        "mli.inc"
+        .include        "filedes.inc"
+        .include        "apple2.inc"
 
-        .segment	"INIT"
+        .segment        "INIT"
 
 initprompt:
         ; Set prompt <> ']' to let DOS 3.3 know that we're
         ; not in Applesoft immediate mode and thus keep it
         ; from scanning our device I/O for DOS commands.
-        lda	#$80		; Same value used at $D52C
-        sta	PROMPT
+        lda     #$80            ; Same value used at $D52C
+        sta     PROMPT
         rts
 
         .code
 
 _read:
         ; Get parameters
-        jsr	rwprolog
-        bcs	errno
-        tax			; Save fd
+        jsr     rwprolog
+        bcs     errno
+        tax                     ; Save fd
 
         ; Check for read access
-        lda	fdtab + FD::FLAGS,y
-        and	#O_RDONLY
-        beq	einval
+        lda     fdtab + FD::FLAGS,y
+        and     #O_RDONLY
+        beq     einval
 
         ; Check for device
-        txa			; Restore fd
-        bmi	device
+        txa                     ; Restore fd
+        bmi     device
 
         ; Do read
-        ldy	#READ_CALL
-        jmp	rwcommon
+        ldy     #READ_CALL
+        jmp     rwcommon
 
         ; Device succeeds always
-device: lda	#$00
-        sta	__oserror
+device: lda     #$00
+        sta     __oserror
 
         ; Set counter to zero
-        sta	ptr3
-        sta	ptr3+1
+        sta     ptr3
+        sta     ptr3+1
 
         ; Check for zero count
-        lda	ptr2
-        ora	ptr2+1
-        beq	check
+        lda     ptr2
+        ora     ptr2+1
+        beq     check
 
         ; Read from device and echo to device
-next:   jsr	RDKEY
-        jsr	COUT
+next:   jsr     RDKEY
+        jsr     COUT
 
         ; Clear hi bit and check for '\r'
-        and	#$7F
-        cmp	#$0D
-        bne	:+
+        and     #$7F
+        cmp     #$0D
+        bne     :+
 
         ; Replace with '\n' and set count to zero
-        lda	#$0A
-        ldy	#$00
-        sty	ptr2
-        sty	ptr2+1
+        lda     #$0A
+        ldy     #$00
+        sty     ptr2
+        sty     ptr2+1
 
         ; Put char into buf
-:       ldy	#$00
-        sta	(ptr1),y
+:       ldy     #$00
+        sta     (ptr1),y
 
         ; Increment pointer
-        inc	ptr1
-        bne	:+
-        inc	ptr1+1
+        inc     ptr1
+        bne     :+
+        inc     ptr1+1
 
         ; Increment counter
-:       inc	ptr3
-        bne	check
-        inc	ptr3+1
+:       inc     ptr3
+        bne     check
+        inc     ptr3+1
 
         ; Check for counter less than count
-check:  lda	ptr3
-        cmp	ptr2
-        bcc	next
-        ldx	ptr3+1
-        cpx	ptr2+1
-        bcc	next
+check:  lda     ptr3
+        cmp     ptr2
+        bcc     next
+        ldx     ptr3+1
+        cpx     ptr2+1
+        bcc     next
 
         ; Return success, AX already set
         rts
 
         ; Load errno code
-einval: lda	#EINVAL
+einval: lda     #EINVAL
 
         ; Set __errno
-errno:  jmp	__directerrno
+errno:  jmp     __directerrno
diff --git a/libsrc/apple2/readdir.c b/libsrc/apple2/readdir.c
index 84c782ea1..8acfbbe8b 100644
--- a/libsrc/apple2/readdir.c
+++ b/libsrc/apple2/readdir.c
@@ -38,7 +38,7 @@
 
 
 /*****************************************************************************/
-/*		   		     Code	   			     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
@@ -50,27 +50,27 @@ struct dirent* __fastcall__ readdir (register DIR* dir)
     /* Search for the next active directory entry */
     do {
 
-	/* Read next directory block if necessary */
-	if (dir->current_entry == dir->entries_per_block) {
-	    if (read (dir->fd,
-		      dir->block.bytes,
-		      sizeof (dir->block)) != sizeof (dir->block)) {
+        /* Read next directory block if necessary */
+        if (dir->current_entry == dir->entries_per_block) {
+            if (read (dir->fd,
+                      dir->block.bytes,
+                      sizeof (dir->block)) != sizeof (dir->block)) {
 
-		/* Just return failure as read() has */
-		/* set errno if (and only if) no EOF */
-		return NULL;
-	    }
+                /* Just return failure as read() has */
+                /* set errno if (and only if) no EOF */
+                return NULL;
+            }
 
-	    /* Start with first entry in next block */
-	    dir->current_entry = 0;
-	}
+            /* Start with first entry in next block */
+            dir->current_entry = 0;
+        }
 
-	/* Compute pointer to current entry */
-	entry = dir->block.content.entries +
-		dir->current_entry * dir->entry_length;
+        /* Compute pointer to current entry */
+        entry = dir->block.content.entries +
+                dir->current_entry * dir->entry_length;
 
-	/* Switch to next entry */
-	++dir->current_entry;
+        /* Switch to next entry */
+        ++dir->current_entry;
     } while (entry[0x00] == 0);
 
     /* Move creation date/time to allow for next step below */
diff --git a/libsrc/apple2/revers.s b/libsrc/apple2/revers.s
index 474bf5760..83fcb2ae7 100644
--- a/libsrc/apple2/revers.s
+++ b/libsrc/apple2/revers.s
@@ -4,19 +4,19 @@
 ; unsigned char __fastcall__ revers (unsigned char onoff)
 ;
 
-        .export		_revers
+        .export         _revers
 
-        .include	"apple2.inc"
+        .include        "apple2.inc"
 
 _revers:
-        tax			; Test onoff
-        beq	normal		; If zero, "normal" must be set
-        ldx	#$3F+1		; Set "inverse"
+        tax                     ; Test onoff
+        beq     normal          ; If zero, "normal" must be set
+        ldx     #$3F+1          ; Set "inverse"
 normal: dex                     ; $00->$FF, $40->$3F
-        lda	#$00		; Preload return code for "normal"
-        ldy	INVFLG		; Load current flag value
-        stx	INVFLG		; Save new flag value
-        bmi	:+		; Jump if current value is $FF (normal)
-        lda	#$01		; Return "inverse"
-:       ldx	#$00
+        lda     #$00            ; Preload return code for "normal"
+        ldy     INVFLG          ; Load current flag value
+        stx     INVFLG          ; Save new flag value
+        bmi     :+              ; Jump if current value is $FF (normal)
+        lda     #$01            ; Return "inverse"
+:       ldx     #$00
         rts
diff --git a/libsrc/apple2/rewinddir.c b/libsrc/apple2/rewinddir.c
index 7ff0cd70d..3329852d8 100644
--- a/libsrc/apple2/rewinddir.c
+++ b/libsrc/apple2/rewinddir.c
@@ -39,7 +39,7 @@
 
 
 /*****************************************************************************/
-/*		   		     Code	   			     */
+/*                                   Code                                    */
 /*****************************************************************************/
 
 
@@ -49,17 +49,17 @@ void __fastcall__ rewinddir (register DIR* dir)
     /* Rewind directory file */
     if (lseek (dir->fd, 0, SEEK_SET)) {
 
-	/* Read directory key block */
-	if (read (dir->fd,
-		  dir->block.bytes,
-		  sizeof (dir->block)) == sizeof (dir->block)) {
+        /* Read directory key block */
+        if (read (dir->fd,
+                  dir->block.bytes,
+                  sizeof (dir->block)) == sizeof (dir->block)) {
 
-	    /* Skip directory header entry */
-	    dir->current_entry = 1;
+            /* Skip directory header entry */
+            dir->current_entry = 1;
 
-	    /* Return success */
-	    return;
-	}
+            /* Return success */
+            return;
+        }
     }
 
     /* Assert that no subsequent readdir() finds an active entry */
diff --git a/libsrc/apple2/rwcommon.s b/libsrc/apple2/rwcommon.s
index c74ed1377..3180a875d 100644
--- a/libsrc/apple2/rwcommon.s
+++ b/libsrc/apple2/rwcommon.s
@@ -2,59 +2,59 @@
 ; Oliver Schmidt, 12.01.2005
 ;
 
-        .export		rwprolog, rwcommon, rwepilog
-        .import		popax
+        .export         rwprolog, rwcommon, rwepilog
+        .import         popax
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"fcntl.inc"
-        .include	"mli.inc"
-        .include	"filedes.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "fcntl.inc"
+        .include        "mli.inc"
+        .include        "filedes.inc"
 
 rwprolog:
         ; Save count
-        sta	ptr2
-        stx	ptr2+1
+        sta     ptr2
+        stx     ptr2+1
 
         ; Get and save buf
-        jsr	popax
-        sta	ptr1
-        stx	ptr1+1
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
 
         ; Get and process fd
-        jsr	popax
-        jmp	getfd		; Returns A, Y and C
+        jsr     popax
+        jmp     getfd           ; Returns A, Y and C
 
 rwcommon:
         ; Set fd
-        sta	mliparam + MLI::RW::REF_NUM
+        sta     mliparam + MLI::RW::REF_NUM
 
         ; Set buf
-        lda	ptr1
-        ldx	ptr1+1
-        sta	mliparam + MLI::RW::DATA_BUFFER
-        stx	mliparam + MLI::RW::DATA_BUFFER+1
+        lda     ptr1
+        ldx     ptr1+1
+        sta     mliparam + MLI::RW::DATA_BUFFER
+        stx     mliparam + MLI::RW::DATA_BUFFER+1
 
         ; Set count
-        lda	ptr2
-        ldx	ptr2+1
-        sta	mliparam + MLI::RW::REQUEST_COUNT
-        stx	mliparam + MLI::RW::REQUEST_COUNT+1
+        lda     ptr2
+        ldx     ptr2+1
+        sta     mliparam + MLI::RW::REQUEST_COUNT
+        stx     mliparam + MLI::RW::REQUEST_COUNT+1
 
         ; Call read or write
         tya
-        ldx	#RW_COUNT
-        jsr	callmli
-        bcc	rwepilog
-        cmp	#$4C		; "End of file encountered"
-        bne	oserr
+        ldx     #RW_COUNT
+        jsr     callmli
+        bcc     rwepilog
+        cmp     #$4C            ; "End of file encountered"
+        bne     oserr
 
 rwepilog:
         ; Return success
-        sta	__oserror	; A = 0
-        lda	mliparam + MLI::RW::TRANS_COUNT
-        ldx	mliparam + MLI::RW::TRANS_COUNT+1
+        sta     __oserror       ; A = 0
+        lda     mliparam + MLI::RW::TRANS_COUNT
+        ldx     mliparam + MLI::RW::TRANS_COUNT+1
         rts
 
         ; Set __oserror
-oserr:  jmp	__mappederrno
+oserr:  jmp     __mappederrno
diff --git a/libsrc/apple2/ser/a2.ssc.s b/libsrc/apple2/ser/a2.ssc.s
index cb9ff2ec1..374505638 100644
--- a/libsrc/apple2/ser/a2.ssc.s
+++ b/libsrc/apple2/ser/a2.ssc.s
@@ -21,115 +21,115 @@
 ; interrupt handling assumes that the 65816 is in 6502-emulation mode.
 ;
 
-	.include	"zeropage.inc"
-	.include	"ser-kernel.inc"
-	.include	"ser-error.inc"
+        .include        "zeropage.inc"
+        .include        "ser-kernel.inc"
+        .include        "ser-error.inc"
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-	.segment	"JUMPTABLE"
+        .segment        "JUMPTABLE"
 
-	; Driver signature
-	.byte	$73, $65, $72		; "ser"
-	.byte	SER_API_VERSION 	; Serial API version number
+        ; Driver signature
+        .byte   $73, $65, $72           ; "ser"
+        .byte   SER_API_VERSION         ; Serial API version number
 
-	; Jump table.
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	OPEN
-	.addr	CLOSE
-	.addr	GET
-	.addr	PUT
-	.addr	STATUS
-	.addr	IOCTL
-	.addr	IRQ
+        ; Jump table.
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   OPEN
+        .addr   CLOSE
+        .addr   GET
+        .addr   PUT
+        .addr   STATUS
+        .addr   IOCTL
+        .addr   IRQ
 
 ;----------------------------------------------------------------------------
 ; I/O definitions
 
-ACIA		= $C088
-ACIA_DATA	= ACIA+0	; Data register
-ACIA_STATUS	= ACIA+1	; Status register
-ACIA_CMD	= ACIA+2	; Command register
-ACIA_CTRL	= ACIA+3	; Control register
+ACIA            = $C088
+ACIA_DATA       = ACIA+0        ; Data register
+ACIA_STATUS     = ACIA+1        ; Status register
+ACIA_CMD        = ACIA+2        ; Command register
+ACIA_CTRL       = ACIA+3        ; Control register
 
 ;----------------------------------------------------------------------------
 ; Global variables
 
-	.bss
-
-RecvHead:	.res	1	; Head of receive buffer
-RecvTail:	.res	1	; Tail of receive buffer
-RecvFreeCnt:	.res	1	; Number of bytes in receive buffer
-SendHead:	.res	1	; Head of send buffer
-SendTail:	.res	1	; Tail of send buffer
-SendFreeCnt:	.res	1	; Number of bytes in send buffer
-
-Stopped:	.res	1	; Flow-stopped flag
-RtsOff: 	.res	1	;
-
-RecvBuf:	.res	256	; Receive buffers: 256 bytes
-SendBuf:	.res	256	; Send buffers: 256 bytes
-
-Index:		.res	1	; I/O register index
-
-	.data
-
-Slot:	.byte	$02		; Default to SSC in slot 2
-
-	.rodata
-
-	; Tables used to translate RS232 params into register values
-BaudTable:			; bit7 = 1 means setting is invalid
-	.byte	$FF		; SER_BAUD_45_5
-	.byte	$01		; SER_BAUD_50
-	.byte	$02		; SER_BAUD_75
-	.byte	$03		; SER_BAUD_110
-	.byte	$04		; SER_BAUD_134_5
-	.byte	$05		; SER_BAUD_150
-	.byte	$06		; SER_BAUD_300
-	.byte	$07		; SER_BAUD_600
-	.byte	$08		; SER_BAUD_1200
-	.byte	$09		; SER_BAUD_1800
-	.byte	$0A		; SER_BAUD_2400
-	.byte	$0B		; SER_BAUD_3600
-	.byte	$0C		; SER_BAUD_4800
-	.byte	$0D		; SER_BAUD_7200
-	.byte	$0E		; SER_BAUD_9600
-	.byte	$0F		; SER_BAUD_19200
-	.byte	$FF		; SER_BAUD_38400
-	.byte	$FF		; SER_BAUD_57600
-	.byte	$FF		; SER_BAUD_115200
-	.byte	$FF		; SER_BAUD_230400
+        .bss
+
+RecvHead:       .res    1       ; Head of receive buffer
+RecvTail:       .res    1       ; Tail of receive buffer
+RecvFreeCnt:    .res    1       ; Number of bytes in receive buffer
+SendHead:       .res    1       ; Head of send buffer
+SendTail:       .res    1       ; Tail of send buffer
+SendFreeCnt:    .res    1       ; Number of bytes in send buffer
+
+Stopped:        .res    1       ; Flow-stopped flag
+RtsOff:         .res    1       ;
+
+RecvBuf:        .res    256     ; Receive buffers: 256 bytes
+SendBuf:        .res    256     ; Send buffers: 256 bytes
+
+Index:          .res    1       ; I/O register index
+
+        .data
+
+Slot:   .byte   $02             ; Default to SSC in slot 2
+
+        .rodata
+
+        ; Tables used to translate RS232 params into register values
+BaudTable:                      ; bit7 = 1 means setting is invalid
+        .byte   $FF             ; SER_BAUD_45_5
+        .byte   $01             ; SER_BAUD_50
+        .byte   $02             ; SER_BAUD_75
+        .byte   $03             ; SER_BAUD_110
+        .byte   $04             ; SER_BAUD_134_5
+        .byte   $05             ; SER_BAUD_150
+        .byte   $06             ; SER_BAUD_300
+        .byte   $07             ; SER_BAUD_600
+        .byte   $08             ; SER_BAUD_1200
+        .byte   $09             ; SER_BAUD_1800
+        .byte   $0A             ; SER_BAUD_2400
+        .byte   $0B             ; SER_BAUD_3600
+        .byte   $0C             ; SER_BAUD_4800
+        .byte   $0D             ; SER_BAUD_7200
+        .byte   $0E             ; SER_BAUD_9600
+        .byte   $0F             ; SER_BAUD_19200
+        .byte   $FF             ; SER_BAUD_38400
+        .byte   $FF             ; SER_BAUD_57600
+        .byte   $FF             ; SER_BAUD_115200
+        .byte   $FF             ; SER_BAUD_230400
 BitTable:
-	.byte	$60		; SER_BITS_5
-	.byte	$40		; SER_BITS_6
-	.byte	$20		; SER_BITS_7
-	.byte	$00		; SER_BITS_8
+        .byte   $60             ; SER_BITS_5
+        .byte   $40             ; SER_BITS_6
+        .byte   $20             ; SER_BITS_7
+        .byte   $00             ; SER_BITS_8
 StopTable:
-	.byte	$00		; SER_STOP_1
-	.byte	$80		; SER_STOP_2
+        .byte   $00             ; SER_STOP_1
+        .byte   $80             ; SER_STOP_2
 ParityTable:
-	.byte	$00		; SER_PAR_NONE
-	.byte	$20		; SER_PAR_ODD
-	.byte	$60		; SER_PAR_EVEN
-	.byte	$A0		; SER_PAR_MARK
-	.byte	$E0		; SER_PAR_SPACE
+        .byte   $00             ; SER_PAR_NONE
+        .byte   $20             ; SER_PAR_ODD
+        .byte   $60             ; SER_PAR_EVEN
+        .byte   $A0             ; SER_PAR_MARK
+        .byte   $E0             ; SER_PAR_SPACE
 IdOfsTable:
-	.byte	$05		; Pascal 1.0 ID byte
-	.byte	$07		; Pascal 1.0 ID byte
-	.byte	$0B		; Pascal 1.1 generic signature byte
-	.byte	$0C		; Device signature byte
+        .byte   $05             ; Pascal 1.0 ID byte
+        .byte   $07             ; Pascal 1.0 ID byte
+        .byte   $0B             ; Pascal 1.1 generic signature byte
+        .byte   $0C             ; Device signature byte
 IdValTable:
-	.byte	$38		; Fixed
-	.byte	$18		; Fixed
-	.byte	$01		; Fixed
-	.byte	$31		; Serial or parallel I/O card type 1
+        .byte   $38             ; Fixed
+        .byte   $18             ; Fixed
+        .byte   $01             ; Fixed
+        .byte   $31             ; Serial or parallel I/O card type 1
 
-IdTableLen	= * - IdValTable
+IdTableLen      = * - IdValTable
 
-	.code
+        .code
 
 ;----------------------------------------------------------------------------
 ; INSTALL: Is called after the driver is loaded into memory. If possible,
@@ -149,119 +149,119 @@ IdTableLen	= * - IdValTable
 INSTALL:
 UNINSTALL:
 CLOSE:
-	ldx	Index		; Check for open port
-	beq	:+
+        ldx     Index           ; Check for open port
+        beq     :+
 
-	; Deactivate DTR and disable 6551 interrupts
-	lda	#%00001010
-	sta	ACIA_CMD,x
+        ; Deactivate DTR and disable 6551 interrupts
+        lda     #%00001010
+        sta     ACIA_CMD,x
 
-	; Done, return an error code
-:	lda	#$C000
-	ora	Slot
-	sta	ptr2+1
-	
-	; Check Pascal 1.1 Firmware Protocol ID bytes
-:	ldy	IdOfsTable,x
-	lda	IdValTable,x
-	cmp	(ptr2),y
-	bne	NoDevice
-	inx
-	cpx	#IdTableLen
-	bcc	:-
-	
-	; Convert slot to I/O register index
-	lda	Slot
-	asl
-	asl
-	asl
-	asl
-	tax
-
-	; Check if the handshake setting is valid
-	ldy	#SER_PARAMS::HANDSHAKE	; Handshake
-	lda	(ptr1),y
-	cmp	#SER_HS_HW		; This is all we support
-	bne	InvParam
-
-	; Initialize buffers
-	ldy	#$00
-	sty	Stopped
-	sty	RecvHead
-	sty	RecvTail
-	sty	SendHead
-	sty	SendTail
-	dey				; Y = 255
-	sty	RecvFreeCnt
-	sty	SendFreeCnt
-
-	; Set the value for the control register, which contains stop bits,
-	; word length and the baud rate.
-	ldy	#SER_PARAMS::BAUDRATE
-	lda	(ptr1),y		; Baudrate index
-	tay
-	lda	BaudTable,y		; Get 6551 value
-	bmi	InvBaud 		; Branch if rate not supported
-	sta	tmp1
-
-	ldy	#SER_PARAMS::DATABITS	; Databits
-	lda	(ptr1),y
-	tay
-	lda	BitTable,y
-	ora	tmp1
-	sta	tmp1
-
-	ldy	#SER_PARAMS::STOPBITS	; Stopbits
-	lda	(ptr1),y
-	tay
-	lda	StopTable,y
-	ora	tmp1
-	ora	#%00010000		; Receiver clock source = baudrate
-	sta	ACIA_CTRL,x
-
-	; Set the value for the command register. We remember the base value
-	; in RtsOff, since we will have to manipulate ACIA_CMD often.
-	ldy	#SER_PARAMS::PARITY	; Parity
-	lda	(ptr1),y
-	tay
-	lda	ParityTable,y
-	ora	#%00000001		; DTR active
-	sta	RtsOff
-	ora	#%00001000		; Enable receive interrupts
-	sta	ACIA_CMD,x
-
-	; Done
-	stx	Index			; Mark port as open
-	lda	#SER_ERR_NO_DEVICE
-	rts
-
-	; Invalid parameter
-InvParam:lda	#SER_ERR_INIT_FAILED
-	rts
-
-	; Baud rate not available
-InvBaud:lda	#SER_ERR_BAUD_UNAVAIL
-	rts
+OPEN:   
+        ldx     #<$C000
+        stx     ptr2
+        lda     #>$C000
+        ora     Slot
+        sta     ptr2+1
+        
+        ; Check Pascal 1.1 Firmware Protocol ID bytes
+:       ldy     IdOfsTable,x
+        lda     IdValTable,x
+        cmp     (ptr2),y
+        bne     NoDevice
+        inx
+        cpx     #IdTableLen
+        bcc     :-
+        
+        ; Convert slot to I/O register index
+        lda     Slot
+        asl
+        asl
+        asl
+        asl
+        tax
+
+        ; Check if the handshake setting is valid
+        ldy     #SER_PARAMS::HANDSHAKE  ; Handshake
+        lda     (ptr1),y
+        cmp     #SER_HS_HW              ; This is all we support
+        bne     InvParam
+
+        ; Initialize buffers
+        ldy     #$00
+        sty     Stopped
+        sty     RecvHead
+        sty     RecvTail
+        sty     SendHead
+        sty     SendTail
+        dey                             ; Y = 255
+        sty     RecvFreeCnt
+        sty     SendFreeCnt
+
+        ; Set the value for the control register, which contains stop bits,
+        ; word length and the baud rate.
+        ldy     #SER_PARAMS::BAUDRATE
+        lda     (ptr1),y                ; Baudrate index
+        tay
+        lda     BaudTable,y             ; Get 6551 value
+        bmi     InvBaud                 ; Branch if rate not supported
+        sta     tmp1
+
+        ldy     #SER_PARAMS::DATABITS   ; Databits
+        lda     (ptr1),y
+        tay
+        lda     BitTable,y
+        ora     tmp1
+        sta     tmp1
+
+        ldy     #SER_PARAMS::STOPBITS   ; Stopbits
+        lda     (ptr1),y
+        tay
+        lda     StopTable,y
+        ora     tmp1
+        ora     #%00010000              ; Receiver clock source = baudrate
+        sta     ACIA_CTRL,x
+
+        ; Set the value for the command register. We remember the base value
+        ; in RtsOff, since we will have to manipulate ACIA_CMD often.
+        ldy     #SER_PARAMS::PARITY     ; Parity
+        lda     (ptr1),y
+        tay
+        lda     ParityTable,y
+        ora     #%00000001              ; DTR active
+        sta     RtsOff
+        ora     #%00001000              ; Enable receive interrupts
+        sta     ACIA_CMD,x
+
+        ; Done
+        stx     Index                   ; Mark port as open
+        lda     #SER_ERR_NO_DEVICE
+        rts
+
+        ; Invalid parameter
+InvParam:lda    #SER_ERR_INIT_FAILED
+        rts
+
+        ; Baud rate not available
+InvBaud:lda     #SER_ERR_BAUD_UNAVAIL
+        rts
 
 ;----------------------------------------------------------------------------
 ; GET: Will fetch a character from the receive buffer and store it into the
@@ -269,86 +269,86 @@ InvBaud:lda	#SER_ERR_NO_DATA
-	rts
-
-	; Check for flow stopped & enough free: release flow control
-:	ldy	Stopped 	; (34)
-	beq	:+
-	cmp	#63
-	bcc	:+
-	lda	#$00
-	sta	Stopped
-	lda	RtsOff
-	ora	#%00001000
-	sta	ACIA_CMD,x
-
-	; Get byte from buffer
-:	ldy	RecvHead	; (41)
-	lda	RecvBuf,y
-	inc	RecvHead
-	inc	RecvFreeCnt
-	ldx	#$00		; (59)
-	sta	(ptr1,x)
-	txa			; Return code = 0
-	rts
+        ldx     Index
+        ldy     SendFreeCnt     ; Send data if necessary
+        iny                     ; Y == $FF?
+        beq     :+
+        lda     #$00            ; TryHard = false
+        jsr     TryToSend
+
+        ; Check for buffer empty
+:       lda     RecvFreeCnt     ; (25)
+        cmp     #$FF
+        bne     :+
+        lda     #SER_ERR_NO_DATA
+        rts
+
+        ; Check for flow stopped & enough free: release flow control
+:       ldy     Stopped         ; (34)
+        beq     :+
+        cmp     #63
+        bcc     :+
+        lda     #$00
+        sta     Stopped
+        lda     RtsOff
+        ora     #%00001000
+        sta     ACIA_CMD,x
+
+        ; Get byte from buffer
+:       ldy     RecvHead        ; (41)
+        lda     RecvBuf,y
+        inc     RecvHead
+        inc     RecvFreeCnt
+        ldx     #$00            ; (59)
+        sta     (ptr1,x)
+        txa                     ; Return code = 0
+        rts
 
 ;----------------------------------------------------------------------------
 ; PUT: Output character in A.
 ; Must return an SER_ERR_xx code in a/x.
 
 PUT:
-	ldx	Index
-
-	; Try to send
-	ldy	SendFreeCnt
-	iny			; Y = $FF?
-	beq	:+
-	pha
-	lda	#$00		; TryHard = false
-	jsr	TryToSend
-	pla
-
-	; Put byte into send buffer & send
-:	ldy	SendFreeCnt
-	bne	:+
-	lda	#SER_ERR_OVERFLOW
-	rts
-
-:	ldy	SendTail
-	sta	SendBuf,y
-	inc	SendTail
-	dec	SendFreeCnt
-	lda	#$FF		; TryHard = true
-	jsr	TryToSend
-	lda	#SER_ERR_OVERFLOW
+        rts
+
+:       ldy     SendTail
+        sta     SendBuf,y
+        inc     SendTail
+        dec     SendFreeCnt
+        lda     #$FF            ; TryHard = true
+        jsr     TryToSend
+        lda     #SER_ERR_INV_IOCTL
-	rts
+:       lda     #SER_ERR_INV_IOCTL
+        rts
 
 ;----------------------------------------------------------------------------
 ; IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
@@ -381,55 +381,55 @@ IOCTL:
 ; was handled, otherwise with carry clear.
 
 IRQ:
-	ldx	Index		; Check for open port
-	beq	Done
-	lda	ACIA_STATUS,x	; Check ACIA status for receive interrupt
-	and	#$08
-	beq	Done		; Jump if no ACIA interrupt
-	lda	ACIA_DATA,x	; Get byte from ACIA
-	ldy	RecvFreeCnt	; Check if we have free space left
-	beq	Flow		; Jump if no space in receive buffer
-	ldy	RecvTail	; Load buffer pointer
-	sta	RecvBuf,y	; Store received byte in buffer
-	inc	RecvTail	; Increment buffer pointer
-	dec	RecvFreeCnt	; Decrement free space counter
-	ldy	RecvFreeCnt	; Check for buffer space low
-	cpy	#33
-	bcc	Flow		; Assert flow control if buffer space low
-	rts			; Interrupt handled (carry already set)
-
-	; Assert flow control if buffer space too low
-Flow:	lda	RtsOff
-	sta	ACIA_CMD,x
-	sta	Stopped
-	sec			; Interrupt handled
-Done:	rts
+        ldx     Index           ; Check for open port
+        beq     Done
+        lda     ACIA_STATUS,x   ; Check ACIA status for receive interrupt
+        and     #$08
+        beq     Done            ; Jump if no ACIA interrupt
+        lda     ACIA_DATA,x     ; Get byte from ACIA
+        ldy     RecvFreeCnt     ; Check if we have free space left
+        beq     Flow            ; Jump if no space in receive buffer
+        ldy     RecvTail        ; Load buffer pointer
+        sta     RecvBuf,y       ; Store received byte in buffer
+        inc     RecvTail        ; Increment buffer pointer
+        dec     RecvFreeCnt     ; Decrement free space counter
+        ldy     RecvFreeCnt     ; Check for buffer space low
+        cpy     #33
+        bcc     Flow            ; Assert flow control if buffer space low
+        rts                     ; Interrupt handled (carry already set)
+
+        ; Assert flow control if buffer space too low
+Flow:   lda     RtsOff
+        sta     ACIA_CMD,x
+        sta     Stopped
+        sec                     ; Interrupt handled
+Done:   rts
 
 ;----------------------------------------------------------------------------
 ; Try to send a byte. Internal routine. A = TryHard
 
 TryToSend:
-	sta	tmp1		; Remember tryHard flag
-Again:	lda	SendFreeCnt
-	cmp	#$FF
-	beq	Quit		; Bail out
-
-	; Check for flow stopped
-	lda	Stopped
-	bne	Quit		; Bail out
-
-	; Check that ACIA is ready to send
-	lda	ACIA_STATUS,x
-	and	#$10
-	bne	Send
-	bit	tmp1		; Keep trying if must try hard	
-	bmi	Again
-Quit:	rts
-
-	; Send byte and try again
-Send:	ldy	SendHead
-	lda	SendBuf,y
-	sta	ACIA_DATA,x
-	inc	SendHead
-	inc	SendFreeCnt
-	jmp	Again
+        sta     tmp1            ; Remember tryHard flag
+Again:  lda     SendFreeCnt
+        cmp     #$FF
+        beq     Quit            ; Bail out
+
+        ; Check for flow stopped
+        lda     Stopped
+        bne     Quit            ; Bail out
+
+        ; Check that ACIA is ready to send
+        lda     ACIA_STATUS,x
+        and     #$10
+        bne     Send
+        bit     tmp1            ; Keep trying if must try hard  
+        bmi     Again
+Quit:   rts
+
+        ; Send byte and try again
+Send:   ldy     SendHead
+        lda     SendBuf,y
+        sta     ACIA_DATA,x
+        inc     SendHead
+        inc     SendFreeCnt
+        jmp     Again
diff --git a/libsrc/apple2/syschdir.s b/libsrc/apple2/syschdir.s
index 7eb67e1ab..8afc3af0b 100644
--- a/libsrc/apple2/syschdir.s
+++ b/libsrc/apple2/syschdir.s
@@ -5,33 +5,33 @@
 ;
 
         .export         __syschdir
-        .import		pushname, popname
-	.import		initcwd
+        .import         pushname, popname
+        .import         initcwd
 
-	.include	"zeropage.inc"
-	.include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 __syschdir:
         ; Push name
-        jsr	pushname
-        bne	oserr
+        jsr     pushname
+        bne     oserr
 
         ; Set pushed name
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::PREFIX::PATHNAME
-        stx	mliparam + MLI::PREFIX::PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::PREFIX::PATHNAME
+        stx     mliparam + MLI::PREFIX::PATHNAME+1
 
         ; Change directory
-        lda	#SET_PREFIX_CALL
-        ldx	#PREFIX_COUNT
-        jsr	callmli
-	bcs	cleanup
+        lda     #SET_PREFIX_CALL
+        ldx     #PREFIX_COUNT
+        jsr     callmli
+        bcs     cleanup
 
-	; Update current working directory
-	jsr	initcwd		; Returns with A = 0
+        ; Update current working directory
+        jsr     initcwd         ; Returns with A = 0
 
         ; Cleanup name
-cleanup:jsr	popname		; Preserves A
+cleanup:jsr     popname         ; Preserves A
 
-oserr:	rts
+oserr:  rts
diff --git a/libsrc/apple2/sysmkdir.s b/libsrc/apple2/sysmkdir.s
index 1281fc5ae..7759da260 100644
--- a/libsrc/apple2/sysmkdir.s
+++ b/libsrc/apple2/sysmkdir.s
@@ -5,51 +5,51 @@
 ;
 
         .export         __sysmkdir
-        .import		pushname, popname
-	.import		addysp, popax
+        .import         pushname, popname
+        .import         addysp, popax
 
-	.include	"zeropage.inc"
-	.include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 __sysmkdir:
         ; Throw away all parameters except the name
         dey
         dey
-        jsr	addysp
+        jsr     addysp
 
         ; Get and push name
-        jsr	popax
-        jsr	pushname
-        bne	oserr
+        jsr     popax
+        jsr     pushname
+        bne     oserr
 
         ; Set pushed name
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::CREATE::PATHNAME
-        stx	mliparam + MLI::CREATE::PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::CREATE::PATHNAME
+        stx     mliparam + MLI::CREATE::PATHNAME+1
 
         ; Set all other parameters from template
-        ldx	#(MLI::CREATE::CREATE_TIME+1) - (MLI::CREATE::PATHNAME+1) - 1
-:       lda	CREATE,x
-        sta	mliparam + MLI::CREATE::ACCESS,x
+        ldx     #(MLI::CREATE::CREATE_TIME+1) - (MLI::CREATE::PATHNAME+1) - 1
+:       lda     CREATE,x
+        sta     mliparam + MLI::CREATE::ACCESS,x
         dex
-        bpl	:-
+        bpl     :-
 
         ; Make directory
-        lda	#CREATE_CALL
-        ldx	#CREATE_COUNT
-        jsr	callmli
+        lda     #CREATE_CALL
+        ldx     #CREATE_COUNT
+        jsr     callmli
 
         ; Cleanup name
-	jsr	popname		; Preserves A
+        jsr     popname         ; Preserves A
 
-oserr:	rts
+oserr:  rts
 
         .rodata
 
-CREATE: .byte	%11000011	; ACCESS:	Standard full access
-        .byte	$0F		; FILE_TYPE:	Directory file
-        .word	$0000		; AUX_TYPE:	N/A
-        .byte	$0D		; STORAGE_TYPE:	Linked directory file
-        .word	$0000		; CREATE_DATE:	Current date
-        .word	$0000		; CREATE_TIME:	Current time
+CREATE: .byte   %11000011       ; ACCESS:       Standard full access
+        .byte   $0F             ; FILE_TYPE:    Directory file
+        .word   $0000           ; AUX_TYPE:     N/A
+        .byte   $0D             ; STORAGE_TYPE: Linked directory file
+        .word   $0000           ; CREATE_DATE:  Current date
+        .word   $0000           ; CREATE_TIME:  Current time
diff --git a/libsrc/apple2/sysremove.s b/libsrc/apple2/sysremove.s
index 7483b9320..08c4dff68 100644
--- a/libsrc/apple2/sysremove.s
+++ b/libsrc/apple2/sysremove.s
@@ -5,28 +5,28 @@
 ;
 
         .export         __sysremove
-        .import		pushname, popname
+        .import         pushname, popname
 
-	.include	"zeropage.inc"
-	.include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 __sysremove:
         ; Push name
-        jsr	pushname
-        bne	oserr
+        jsr     pushname
+        bne     oserr
 
         ; Set pushed name
-        lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::DESTROY::PATHNAME
-        stx	mliparam + MLI::DESTROY::PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::DESTROY::PATHNAME
+        stx     mliparam + MLI::DESTROY::PATHNAME+1
 
         ; Remove file
-        lda	#DESTROY_CALL
-        ldx	#DESTROY_COUNT
-        jsr	callmli
+        lda     #DESTROY_CALL
+        ldx     #DESTROY_COUNT
+        jsr     callmli
 
         ; Cleanup name
-	jsr	popname		; Preserves A
+        jsr     popname         ; Preserves A
 
-oserr:	rts
+oserr:  rts
diff --git a/libsrc/apple2/sysrename.s b/libsrc/apple2/sysrename.s
index af57e1405..0fe8dd7b1 100644
--- a/libsrc/apple2/sysrename.s
+++ b/libsrc/apple2/sysrename.s
@@ -5,55 +5,55 @@
 ;
 
         .export         __sysrename
-        .import		pushname, popname
-	.import		popax
+        .import         pushname, popname
+        .import         popax
 
-	.include	"zeropage.inc"
-	.include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 __sysrename:
-	; Save newname
-	sta	ptr2
-	stx	ptr2+1
+        ; Save newname
+        sta     ptr2
+        stx     ptr2+1
 
         ; Get and push oldname
-	jsr	popax
-        jsr	pushname
-        bne	oserr1
+        jsr     popax
+        jsr     pushname
+        bne     oserr1
 
-	; Save pushed oldname
-        lda	sp
-        ldx	sp+1
-	sta	ptr3
-	stx	ptr3+1
+        ; Save pushed oldname
+        lda     sp
+        ldx     sp+1
+        sta     ptr3
+        stx     ptr3+1
 
         ; Restore and push newname
-	lda	ptr2
-	ldx	ptr2+1
-        jsr	pushname
-        bne	oserr2
+        lda     ptr2
+        ldx     ptr2+1
+        jsr     pushname
+        bne     oserr2
 
         ; Restore and set pushed oldname
-        lda	ptr3
-        ldx	ptr3+1
-        sta	mliparam + MLI::RENAME::PATHNAME
-        stx	mliparam + MLI::RENAME::PATHNAME+1
+        lda     ptr3
+        ldx     ptr3+1
+        sta     mliparam + MLI::RENAME::PATHNAME
+        stx     mliparam + MLI::RENAME::PATHNAME+1
 
         ; Set pushed newname
-	lda	sp
-        ldx	sp+1
-        sta	mliparam + MLI::RENAME::NEW_PATHNAME
-        stx	mliparam + MLI::RENAME::NEW_PATHNAME+1
+        lda     sp
+        ldx     sp+1
+        sta     mliparam + MLI::RENAME::NEW_PATHNAME
+        stx     mliparam + MLI::RENAME::NEW_PATHNAME+1
 
         ; Rename file
-        lda	#RENAME_CALL
-        ldx	#RENAME_COUNT
-        jsr	callmli
+        lda     #RENAME_CALL
+        ldx     #RENAME_COUNT
+        jsr     callmli
 
         ; Cleanup newname
-	jsr	popname		; Preserves A
+        jsr     popname         ; Preserves A
 
         ; Cleanup oldname
-oserr2:	jmp	popname		; Preserves A
+oserr2: jmp     popname         ; Preserves A
 
-oserr1:	rts
+oserr1: rts
diff --git a/libsrc/apple2/sysrmdir.s b/libsrc/apple2/sysrmdir.s
index 668be1208..11ac1f7e7 100644
--- a/libsrc/apple2/sysrmdir.s
+++ b/libsrc/apple2/sysrmdir.s
@@ -5,6 +5,6 @@
 ;
 
         .export         __sysrmdir
-        .import		__sysremove
+        .import         __sysremove
 
 __sysrmdir := __sysremove
diff --git a/libsrc/apple2/systime.s b/libsrc/apple2/systime.s
index 0a5f530ba..98d39a278 100644
--- a/libsrc/apple2/systime.s
+++ b/libsrc/apple2/systime.s
@@ -10,54 +10,54 @@
 ;
 
         .include        "time.inc"
-	.include	"zeropage.inc"
-	.include	"mli.inc"
+        .include        "zeropage.inc"
+        .include        "mli.inc"
 
 __systime:
-	; Update time
-	lda	#GET_TIME_CALL
-	ldx	#GET_TIME_COUNT
-	jsr	callmli
-	bcs	err
-
-	lda	DATELO+1
-	lsr
-	php			; Save month msb
-	cmp	#70		; Year < 70?
-	bcs	:+		; No, leave alone
-	adc	#100		; Move 19xx to 20xx
-:	sta	TM + tm::tm_year
-	lda	DATELO
-	tax			; Save day
-	plp			; Restore month msb
-	ror
-	lsr
-	lsr
-	lsr
-	lsr
-	beq	err		; [1..12] allows for validity check
-	tay
-	dey			; Move [1..12] to [0..11]
-	sty	TM + tm::tm_mon
-	txa			; Restore day
-	and	#%00011111
-	sta	TM + tm::tm_mday
-
-	lda	TIMELO+1
-	sta	TM + tm::tm_hour
-	lda	TIMELO
-	sta	TM + tm::tm_min
-
-	lda	#TM
-	jmp	_mktime
-
-err:	lda	#$FF
-	tax
-	sta	sreg
-	sta	sreg+1
-	rts			; Return -1
-
-	.bss
-
-TM:	.tag	tm
+        ; Update time
+        lda     #GET_TIME_CALL
+        ldx     #GET_TIME_COUNT
+        jsr     callmli
+        bcs     err
+
+        lda     DATELO+1
+        lsr
+        php                     ; Save month msb
+        cmp     #70             ; Year < 70?
+        bcs     :+              ; No, leave alone
+        adc     #100            ; Move 19xx to 20xx
+:       sta     TM + tm::tm_year
+        lda     DATELO
+        tax                     ; Save day
+        plp                     ; Restore month msb
+        ror
+        lsr
+        lsr
+        lsr
+        lsr
+        beq     err             ; [1..12] allows for validity check
+        tay
+        dey                     ; Move [1..12] to [0..11]
+        sty     TM + tm::tm_mon
+        txa                     ; Restore day
+        and     #%00011111
+        sta     TM + tm::tm_mday
+
+        lda     TIMELO+1
+        sta     TM + tm::tm_hour
+        lda     TIMELO
+        sta     TM + tm::tm_min
+
+        lda     #TM
+        jmp     _mktime
+
+err:    lda     #$FF
+        tax
+        sta     sreg
+        sta     sreg+1
+        rts                     ; Return -1
+
+        .bss
+
+TM:     .tag    tm
diff --git a/libsrc/apple2/targetutil/loader.cfg b/libsrc/apple2/targetutil/loader.cfg
index aa7a8c437..ead1dca39 100644
--- a/libsrc/apple2/targetutil/loader.cfg
+++ b/libsrc/apple2/targetutil/loader.cfg
@@ -1,5 +1,5 @@
 #################################################################################
-#                                                                               #	
+#                                                                               #
 # LOADER.SYSTEM - an Apple][ ProDOS 8 loader for cc65 programs (Oliver Schmidt) #
 #                                                                               #
 #################################################################################
diff --git a/libsrc/apple2/targetutil/loader.s b/libsrc/apple2/targetutil/loader.s
index 71d79140e..0173f6105 100644
--- a/libsrc/apple2/targetutil/loader.s
+++ b/libsrc/apple2/targetutil/loader.s
@@ -4,231 +4,231 @@
 ;                                                                               ;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-A1L		:= $3C
-A1H		:= $3D
-STACK		:= $0100
-BUF		:= $0200
-PATHNAME	:= $0280
-MLI		:= $BF00
-VERSION		:= $FBB3
-RDKEY		:= $FD0C
-PRBYTE		:= $FDDA
-COUT		:= $FDED
-
-QUIT_CALL	   = $65
+A1L             := $3C
+A1H             := $3D
+STACK           := $0100
+BUF             := $0200
+PATHNAME        := $0280
+MLI             := $BF00
+VERSION         := $FBB3
+RDKEY           := $FD0C
+PRBYTE          := $FDDA
+COUT            := $FDED
+
+QUIT_CALL          = $65
 GET_FILE_INFO_CALL = $C4
-OPEN_CALL	   = $C8
-READ_CALL	   = $CA
-CLOSE_CALL	   = $CC
+OPEN_CALL          = $C8
+READ_CALL          = $CA
+CLOSE_CALL         = $CC
 FILE_NOT_FOUND_ERR = $46
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-	.import	__CODE_0300_SIZE__, __DATA_0300_SIZE__
-	.import	__CODE_0300_LOAD__, __CODE_0300_RUN__
+        .import __CODE_0300_SIZE__, __DATA_0300_SIZE__
+        .import __CODE_0300_LOAD__, __CODE_0300_RUN__
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-.segment	"DATA_2000"
+.segment        "DATA_2000"
 
 GET_FILE_INFO_PARAM:
-		.byte	$0A		;PARAM_COUNT
-		.addr	PATHNAME	;PATHNAME
-		.byte	$00		;ACCESS
-		.byte	$00		;FILE_TYPE
-FILE_INFO_ADDR:	.word	$0000		;AUX_TYPE
-		.byte	$00		;STORAGE_TYPE
-		.word	$0000		;BLOCKS_USED
-		.word	$0000		;MOD_DATE
-		.word	$0000		;MOD_TIME
-		.word	$0000		;CREATE_DATE
-		.word	$0000		;CREATE_TIME
+                .byte   $0A             ;PARAM_COUNT
+                .addr   PATHNAME        ;PATHNAME
+                .byte   $00             ;ACCESS
+                .byte   $00             ;FILE_TYPE
+FILE_INFO_ADDR: .word   $0000           ;AUX_TYPE
+                .byte   $00             ;STORAGE_TYPE
+                .word   $0000           ;BLOCKS_USED
+                .word   $0000           ;MOD_DATE
+                .word   $0000           ;MOD_TIME
+                .word   $0000           ;CREATE_DATE
+                .word   $0000           ;CREATE_TIME
 
 OPEN_PARAM:
-		.byte	$03		;PARAM_COUNT
-		.addr	PATHNAME	;PATHNAME
-		.addr	MLI - 1024	;IO_BUFFER
-OPEN_REF:	.byte	$00		;REF_NUM
+                .byte   $03             ;PARAM_COUNT
+                .addr   PATHNAME        ;PATHNAME
+                .addr   MLI - 1024      ;IO_BUFFER
+OPEN_REF:       .byte   $00             ;REF_NUM
 
 LOADING:
-		.byte	$0D
-		.asciiz	"Loading "
+                .byte   $0D
+                .asciiz "Loading "
 
 ELLIPSES:
-		.byte	" ...", $0D, $0D, $00
+                .byte   " ...", $0D, $0D, $00
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-.segment	"DATA_0300"
+.segment        "DATA_0300"
 
 READ_PARAM:
-		.byte	$04		;PARAM_COUNT
-READ_REF:	.byte	$00		;REF_NUM
-READ_ADDR:	.addr	$0000		;DATA_BUFFER
-		.word	$FFFF		;REQUEST_COUNT
-		.word	$0000		;TRANS_COUNT
+                .byte   $04             ;PARAM_COUNT
+READ_REF:       .byte   $00             ;REF_NUM
+READ_ADDR:      .addr   $0000           ;DATA_BUFFER
+                .word   $FFFF           ;REQUEST_COUNT
+                .word   $0000           ;TRANS_COUNT
 
 CLOSE_PARAM:
-		.byte	$01		;PARAM_COUNT
-CLOSE_REF:	.byte	$00		;REF_NUM
+                .byte   $01             ;PARAM_COUNT
+CLOSE_REF:      .byte   $00             ;REF_NUM
 
 QUIT_PARAM:
-		.byte	$04		;PARAM_COUNT
-		.byte	$00		;QUIT_TYPE
-		.word	$0000		;RESERVED
-		.byte	$00		;RESERVED
-		.word	$0000		;RESERVED
+                .byte   $04             ;PARAM_COUNT
+                .byte   $00             ;QUIT_TYPE
+                .word   $0000           ;RESERVED
+                .byte   $00             ;RESERVED
+                .word   $0000           ;RESERVED
 
 FILE_NOT_FOUND:
-		.asciiz	"... File Not Found"
-				
+                .asciiz "... File Not Found"
+                                
 ERROR_NUMBER:
-		.asciiz	"... Error $"
+                .asciiz "... Error $"
 
 PRESS_ANY_KEY:
-		.asciiz	" - Press Any Key "
+                .asciiz " - Press Any Key "
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-.segment	"CODE_2000"
-
-	jmp	:+
-	.byte	$EE
-	.byte	$EE
-	.byte	65
-STARTUP:.res	65
-
-	; Reset stack
-:	ldx	#$FF
-	txs
-
-	; Relocate CODE_0300 and DATA_0300
-	ldx	#<(__CODE_0300_SIZE__ + __DATA_0300_SIZE__)
-:	lda	__CODE_0300_LOAD__ - 1,x
-	sta	__CODE_0300_RUN__ - 1,x
-	dex
-	bne	:-
-
-	; Remove ".SYSTEM" from pathname
-	lda	PATHNAME
-	sec
-	sbc	#.strlen(".SYSTEM")
-	sta	PATHNAME
-
-	; Add trailing '\0' to pathname
-	tax
-	lda	#$00
-	sta	PATHNAME + 1,x
-
-	; Copy ProDOS startup filename and trailing '\0' to stack
-	ldx	STARTUP
-	lda	#$00
-	beq	:++		; bra
-:	lda	STARTUP + 1,x
-:	sta	STACK,x
-	dex
-	bpl	:--	
-
-	; Provide some user feedback
-	lda	#LOADING
-	jsr	PRINT
-	lda	#<(PATHNAME + 1)
-	ldx	#>(PATHNAME + 1)
-	jsr	PRINT
-	lda	#ELLIPSES
-	jsr	PRINT
-
-	jsr	MLI
-	.byte	GET_FILE_INFO_CALL
-	.word	GET_FILE_INFO_PARAM
-	bcc	:+
-	jmp	ERROR
-
-:	jsr	MLI
-	.byte	OPEN_CALL
-	.word	OPEN_PARAM
-	bcc	:+
-	jmp	ERROR
-
-	; Copy file reference number
-:	lda	OPEN_REF
-	sta	READ_REF
-	sta	CLOSE_REF
-
-	; Get load address from aux-type
-	lda	FILE_INFO_ADDR
-	ldx	FILE_INFO_ADDR + 1
-	sta	READ_ADDR
-	stx	READ_ADDR + 1
-
-	; It's high time to leave this place
-	jmp	__CODE_0300_RUN__
+.segment        "CODE_2000"
+
+        jmp     :+
+        .byte   $EE
+        .byte   $EE
+        .byte   65
+STARTUP:.res    65
+
+        ; Reset stack
+:       ldx     #$FF
+        txs
+
+        ; Relocate CODE_0300 and DATA_0300
+        ldx     #<(__CODE_0300_SIZE__ + __DATA_0300_SIZE__)
+:       lda     __CODE_0300_LOAD__ - 1,x
+        sta     __CODE_0300_RUN__ - 1,x
+        dex
+        bne     :-
+
+        ; Remove ".SYSTEM" from pathname
+        lda     PATHNAME
+        sec
+        sbc     #.strlen(".SYSTEM")
+        sta     PATHNAME
+
+        ; Add trailing '\0' to pathname
+        tax
+        lda     #$00
+        sta     PATHNAME + 1,x
+
+        ; Copy ProDOS startup filename and trailing '\0' to stack
+        ldx     STARTUP
+        lda     #$00
+        beq     :++             ; bra
+:       lda     STARTUP + 1,x
+:       sta     STACK,x
+        dex
+        bpl     :--     
+
+        ; Provide some user feedback
+        lda     #LOADING
+        jsr     PRINT
+        lda     #<(PATHNAME + 1)
+        ldx     #>(PATHNAME + 1)
+        jsr     PRINT
+        lda     #ELLIPSES
+        jsr     PRINT
+
+        jsr     MLI
+        .byte   GET_FILE_INFO_CALL
+        .word   GET_FILE_INFO_PARAM
+        bcc     :+
+        jmp     ERROR
+
+:       jsr     MLI
+        .byte   OPEN_CALL
+        .word   OPEN_PARAM
+        bcc     :+
+        jmp     ERROR
+
+        ; Copy file reference number
+:       lda     OPEN_REF
+        sta     READ_REF
+        sta     CLOSE_REF
+
+        ; Get load address from aux-type
+        lda     FILE_INFO_ADDR
+        ldx     FILE_INFO_ADDR + 1
+        sta     READ_ADDR
+        stx     READ_ADDR + 1
+
+        ; It's high time to leave this place
+        jmp     __CODE_0300_RUN__
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-.segment	"CODE_0300"
-
-	jsr	MLI
-	.byte	READ_CALL
-	.word	READ_PARAM
-	bcs	ERROR
-
-	jsr	MLI
-	.byte	CLOSE_CALL
-	.word	CLOSE_PARAM
-	bcs	ERROR
-
-	; Copy REM token and startup filename to BASIC input buffer
-	ldx	#$00
-	lda	#$B2
-	bne	:++		; bra
-:	inx
-	lda	a:STACK - 1,x
-:	sta	BUF,x
-	bne	:--
-	
-	; Go for it ...
-	jmp	(READ_ADDR)
+.segment        "CODE_0300"
+
+        jsr     MLI
+        .byte   READ_CALL
+        .word   READ_PARAM
+        bcs     ERROR
+
+        jsr     MLI
+        .byte   CLOSE_CALL
+        .word   CLOSE_PARAM
+        bcs     ERROR
+
+        ; Copy REM token and startup filename to BASIC input buffer
+        ldx     #$00
+        lda     #$B2
+        bne     :++             ; bra
+:       inx
+        lda     a:STACK - 1,x
+:       sta     BUF,x
+        bne     :--
+        
+        ; Go for it ...
+        jmp     (READ_ADDR)
 
 PRINT:
-	sta	A1L
-	stx	A1H
-	ldx	VERSION
-	ldy	#$00
-:	lda	(A1L),y
-	beq	:++
-	cpx	#$06		; //e ?
-	beq	:+
-	cmp	#$60		; lowercase ?
-        bcc	:+
-        and	#$5F		; -> uppercase
-:	ora	#$80
-	jsr	COUT
-	iny
-	bne	:--		; bra
-:	rts
+        sta     A1L
+        stx     A1H
+        ldx     VERSION
+        ldy     #$00
+:       lda     (A1L),y
+        beq     :++
+        cpx     #$06            ; //e ?
+        beq     :+
+        cmp     #$60            ; lowercase ?
+        bcc     :+
+        and     #$5F            ; -> uppercase
+:       ora     #$80
+        jsr     COUT
+        iny
+        bne     :--             ; bra
+:       rts
 
 ERROR:
-	cmp	#FILE_NOT_FOUND_ERR
-	bne	:+
-	lda	#FILE_NOT_FOUND
-	jsr	PRINT
-	beq	:++		; bra
-:	pha
-	lda	#ERROR_NUMBER
-	jsr	PRINT
-	pla
-	jsr	PRBYTE
-:	lda	#PRESS_ANY_KEY
-	jsr	PRINT
-	jsr	RDKEY
-	jsr	MLI
-	.byte	QUIT_CALL
-	.word	QUIT_PARAM
+        cmp     #FILE_NOT_FOUND_ERR
+        bne     :+
+        lda     #FILE_NOT_FOUND
+        jsr     PRINT
+        beq     :++             ; bra
+:       pha
+        lda     #ERROR_NUMBER
+        jsr     PRINT
+        pla
+        jsr     PRBYTE
+:       lda     #PRESS_ANY_KEY
+        jsr     PRINT
+        jsr     RDKEY
+        jsr     MLI
+        .byte   QUIT_CALL
+        .word   QUIT_PARAM
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/libsrc/apple2/textframe.s b/libsrc/apple2/textframe.s
index e57337e92..d5e9b80d7 100644
--- a/libsrc/apple2/textframe.s
+++ b/libsrc/apple2/textframe.s
@@ -9,12 +9,12 @@
 ;
         .ifdef  __APPLE2ENH__
 
-        .export 	_textframexy, _textframe
-        .import 	popa, pusha, _gotoxy
-        .import		chlinedirect, cvlinedirect
+        .export         _textframexy, _textframe
+        .import         popa, pusha, _gotoxy
+        .import         chlinedirect, cvlinedirect
 
-        .include	"zeropage.inc"
-        .include	"apple2.inc"
+        .include        "zeropage.inc"
+        .include        "apple2.inc"
 
 WIDTH   = tmp2
 HEIGHT  = tmp3
@@ -23,60 +23,60 @@ YORIGIN = ptr1
 
 _textframexy:
         sec
-        bra	:+
+        bra     :+
 
 _textframe:
         clc
-:       ldx	INVFLG
-        phx			; Save character display mode
-        ldx	#$FF
-        stx	INVFLG		; Set normal character display mode
-        pha			; Save index
-        jsr	popa		; Get height
-        sta	HEIGHT
-        jsr	popa		; Get width
-        sta	WIDTH
-        lda	CH
-        ldx	CV
-        bcc	noxy
-        jsr	popa		; Get y
+:       ldx     INVFLG
+        phx                     ; Save character display mode
+        ldx     #$FF
+        stx     INVFLG          ; Set normal character display mode
+        pha                     ; Save index
+        jsr     popa            ; Get height
+        sta     HEIGHT
+        jsr     popa            ; Get width
+        sta     WIDTH
+        lda     CH
+        ldx     CV
+        bcc     noxy
+        jsr     popa            ; Get y
         tax
-        jsr	popa		; Get x
-noxy:   sta	XORIGIN
-        stx	YORIGIN
-        plx			; Restore index
-loop:   lda	XOFFS,x
+        jsr     popa            ; Get x
+noxy:   sta     XORIGIN
+        stx     YORIGIN
+        plx                     ; Restore index
+loop:   lda     XOFFS,x
         clc
-        bpl	:+		; Relative to left edge?
-        adc	WIDTH
-:       adc	XORIGIN
-        jsr	pusha
-        lda	YOFFS,x
+        bpl     :+              ; Relative to left edge?
+        adc     WIDTH
+:       adc     XORIGIN
+        jsr     pusha
+        lda     YOFFS,x
         clc
-        bpl	:+		; Relative to top?
-        adc	HEIGHT
-:       adc	YORIGIN
-        jsr	_gotoxy		; Call this one, will pop params
+        bpl     :+              ; Relative to top?
+        adc     HEIGHT
+:       adc     YORIGIN
+        jsr     _gotoxy         ; Call this one, will pop params
         txa
         tay
-        lsr			; Get bit 0 (vline) into carry
-        lda	LENGTH,x
-        phx			; Save index
-        ldx	CHAR,y
-        bcc	hline
+        lsr                     ; Get bit 0 (vline) into carry
+        lda     LENGTH,x
+        phx                     ; Save index
+        ldx     CHAR,y
+        bcc     hline
         clc
-        adc	HEIGHT
-        jsr	cvlinedirect
-        bra	next
-hline:  adc	WIDTH
-        jsr	chlinedirect
-next:   plx			; Restore index
+        adc     HEIGHT
+        jsr     cvlinedirect
+        bra     next
+hline:  adc     WIDTH
+        jsr     chlinedirect
+next:   plx                     ; Restore index
         inx
         txa
-        and	#$03		; Mask style
-        bne	loop
+        and     #$03            ; Mask style
+        bne     loop
         pla
-        sta	INVFLG		; Restore character display mode
+        sta     INVFLG          ; Restore character display mode
         rts
 
         .rodata
@@ -88,21 +88,21 @@ next:   plx			; Restore index
 ; x offset for the line starting point
 ; - a positive value means relative to the frame left edge
 ; - a negative value menas relative to the frame right edge
-XOFFS:  .byte  	0, 0, 0, <-2, 1, 0, 1, <-2
+XOFFS:  .byte   0, 0, 0, <-2, 1, 0, 1, <-2
 
 ; y offset for the line starting point
 ; - a positive value means relative to the frame top
 ; - a negative value menas relative to the frame bottom
-YOFFS:  .byte	0, 1, <-2, 1, 0, 0, <-2, 0
+YOFFS:  .byte   0, 1, <-2, 1, 0, 0, <-2, 0
 
 ; length of the line relative to the frame size
 ; - a negative value for hlines means shorter than the width
 ; - a negative value for vlines menas shorter than the height
-LENGTH: .byte	0, <-2, 0, <-2, <-2, 0, <-2, 0
+LENGTH: .byte   0, <-2, 0, <-2, <-2, 0, <-2, 0
 
 ; character to use for drawing the line
 ; - hibit set means normal printable character
 ; - hibit clear means MouseText character
-CHAR:   .byte	'_'|$80, '_', 'L', 'Z', 'L', 'Z', '_'|$80, '_'
+CHAR:   .byte   '_'|$80, '_', 'L', 'Z', 'L', 'Z', '_'|$80, '_'
 
         .endif                  ; __APPLE2ENH__
diff --git a/libsrc/apple2/tgi/a2.hi.s b/libsrc/apple2/tgi/a2.hi.s
index ce2814a1c..145b78e4a 100644
--- a/libsrc/apple2/tgi/a2.hi.s
+++ b/libsrc/apple2/tgi/a2.hi.s
@@ -5,55 +5,55 @@
 ; Oliver Schmidt 
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"tgi-kernel.inc"
-	.include	"tgi-error.inc"
-	.include	"apple2.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
+        .include        "apple2.inc"
 
 ; ------------------------------------------------------------------------
 
 ; Zero page stuff
 
-HBASL	:=	$26
-HMASK	:=	$30
-PAGE	:=	$E6
-SCALE	:=	$E7
-ROT	:=	$F9
+HBASL   :=      $26
+HMASK   :=      $30
+PAGE    :=      $E6
+SCALE   :=      $E7
+ROT     :=      $F9
 
 ; Graphics entry points, by cbmnut (applenut??) cbmnut@hushmail.com
 
-TEXT    :=	$F399	; Return to text screen
-HGR2    :=	$F3D8	; Initialize and clear hi-res page 2.
-HGR     :=	$F3E2	; Initialize and clear hi-res page 1.
-HCLR    :=	$F3F2	; Clear the current hi-res screen to black.
-BKGND   :=	$F3F6	; Clear the current hi-res screen to the
+TEXT    :=      $F399   ; Return to text screen
+HGR2    :=      $F3D8   ; Initialize and clear hi-res page 2.
+HGR     :=      $F3E2   ; Initialize and clear hi-res page 1.
+HCLR    :=      $F3F2   ; Clear the current hi-res screen to black.
+BKGND   :=      $F3F6   ; Clear the current hi-res screen to the
                         ; last plotted color (from ($1C).
-HPOSN   :=	$F411	; Positions the hi-res cursor without
+HPOSN   :=      $F411   ; Positions the hi-res cursor without
                         ; plotting a point.
                         ; Enter with (A) = Y-coordinate, and
                         ; (Y,X) = X-coordinate.
-HPLOT   :=	$F457	; Calls HPOSN and tries to plot a dot at
+HPLOT   :=      $F457   ; Calls HPOSN and tries to plot a dot at
                         ; the cursor's position.  If you are
                         ; trying to plot a non-white color at
                         ; a complementary color position, no
                         ; dot will be plotted.
-HLIN    :=	$F53A	; Draws a line from the last plotted
+HLIN    :=      $F53A   ; Draws a line from the last plotted
                         ; point or line destination to:
                         ; (X,A) = X-coordinate, and
                         ; (Y) = Y-coordinate.
-HFIND   :=	$F5CB	; Converts the hi-res coursor's position
+HFIND   :=      $F5CB   ; Converts the hi-res coursor's position
                         ; back to X- and Y-coordinates; stores
                         ; X-coordinate at $E0,E1 and Y-coordinate
                         ; at $E2.
-DRAW    :=	$F601	; Draws a shape.  Enter with (Y,X) = the
+DRAW    :=      $F601   ; Draws a shape.  Enter with (Y,X) = the
                         ; address of the shape table, and (A) =
                         ; the rotation factor.  Uses the current
                         ; color.
-XDRAW   :=	$F65D	; Draws a shape by inverting the existing
+XDRAW   :=      $F65D   ; Draws a shape by inverting the existing
                         ; color of the dots the shape draws over.
                         ; Same entry parameters as DRAW.
-SETHCOL :=	$F6EC	; Set the hi-res color to (X), where (X)
+SETHCOL :=      $F6EC   ; Set the hi-res color to (X), where (X)
                         ; must be between 0 and 7.
 
 ; ------------------------------------------------------------------------
@@ -61,100 +61,100 @@ SETHCOL :=	$F6EC	; Set the hi-res color to (X), where (X)
 ; Variables mapped to the zero page segment variables. Some of these are
 ; used for passing parameters to the driver.
 
-X1	:=	ptr1
-Y1	:=	ptr2
-X2	:=	ptr3
-Y2	:=	ptr4
+X1      :=      ptr1
+Y1      :=      ptr2
+X2      :=      ptr3
+Y2      :=      ptr4
 
 ; ------------------------------------------------------------------------
 
-	.segment	"JUMPTABLE"
+        .segment        "JUMPTABLE"
 
 ; Header. Includes jump table and constants.
 
 ; First part of the header is a structure that has a magic and defines the
 ; capabilities of the driver
 
-	.byte	$74, $67, $69	; "tgi"
-	.byte	TGI_API_VERSION	; TGI API version number
-	.word	280		; X resolution
-	.word	192		; Y resolution
-	.byte	8		; Number of drawing colors
-pages:	.byte	2		; Number of screens available
-	.byte	7		; System font X size
-	.byte	8		; System font Y size
-	.word   $00EA		; Aspect ratio (based on 4/3 display)
+        .byte   $74, $67, $69   ; "tgi"
+        .byte   TGI_API_VERSION ; TGI API version number
+        .word   280             ; X resolution
+        .word   192             ; Y resolution
+        .byte   8               ; Number of drawing colors
+pages:  .byte   2               ; Number of screens available
+        .byte   7               ; System font X size
+        .byte   8               ; System font Y size
+        .word   $00EA           ; Aspect ratio (based on 4/3 display)
         .byte   0               ; TGI driver flags
 
 ; Next comes the jump table. With the exception of IRQ, all entries must be
 ; valid and may point to an RTS for test versions (function not implemented).
 
-       	.addr   INSTALL
-       	.addr   UNINSTALL
-       	.addr   INIT
-       	.addr   DONE
-       	.addr   GETERROR
-       	.addr   CONTROL
-       	.addr   CLEAR
-       	.addr   SETVIEWPAGE
-       	.addr   SETDRAWPAGE
-       	.addr   SETCOLOR
-       	.addr   SETPALETTE
-       	.addr   GETPALETTE
-       	.addr   GETDEFPALETTE
-       	.addr   SETPIXEL
-       	.addr   GETPIXEL
-       	.addr   LINE
-       	.addr   BAR
-       	.addr   TEXTSTYLE
-       	.addr   OUTTEXT
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   INIT
+        .addr   DONE
+        .addr   GETERROR
+        .addr   CONTROL
+        .addr   CLEAR
+        .addr   SETVIEWPAGE
+        .addr   SETDRAWPAGE
+        .addr   SETCOLOR
+        .addr   SETPALETTE
+        .addr   GETPALETTE
+        .addr   GETDEFPALETTE
+        .addr   SETPIXEL
+        .addr   GETPIXEL
+        .addr   LINE
+        .addr   BAR
+        .addr   TEXTSTYLE
+        .addr   OUTTEXT
         .addr   0               ; IRQ entry is unused
 
 ; ------------------------------------------------------------------------
 
-	.bss
+        .bss
 
 ; Absolute variables used in the code
 
-ERROR:	.res	1		; Error code
+ERROR:  .res    1               ; Error code
 
 ; ------------------------------------------------------------------------
 
-	.rodata
+        .rodata
 
 ; Constants and tables
 
 DEFPALETTE: .byte $00, $01, $02, $03, $04, $05, $06, $07
 
 FONT:
-	; Beagle Bros Shape Mechanic font F.ASCII.SMALL
-	; modified to exactly reproduce the text glyphs
-	.incbin	"a2.hi.fnt"
+        ; Beagle Bros Shape Mechanic font F.ASCII.SMALL
+        ; modified to exactly reproduce the text glyphs
+        .incbin "a2.hi.fnt"
 
 ; ------------------------------------------------------------------------
 
-	.code
+        .code
 
 ; INSTALL routine. Is called after the driver is loaded into memory. May
 ; initialize anything that has to be done just once. Is probably empty
 ; most of the time.
 ; Must set an error code: NO
 INSTALL:
-	.ifdef  __APPLE2ENH__
-	; No page switching if 80 column store is enabled
-	bit	RD80COL
-	bpl	:+
-	lda	#$01
-	sta	pages
-:	.endif
+        .ifdef  __APPLE2ENH__
+        ; No page switching if 80 column store is enabled
+        bit     RD80COL
+        bpl     :+
+        lda     #$01
+        sta     pages
+:       .endif
 
-	; Fall through
+        ; Fall through
 
 ; UNINSTALL routine. Is called before the driver is removed from memory. May
 ; clean up anything done by INSTALL but is probably empty most of the time.
 ; Must set an error code: NO
 UNINSTALL:
-	rts
+        rts
 
 ; INIT: Changes an already installed device from text mode to graphics mode.
 ; Note that INIT/DONE may be called multiple times while the driver
@@ -166,132 +166,132 @@ UNINSTALL:
 ; active, so there is no need to protect against that.
 ; Must set an error code: YES
 INIT:
-	; Switch into graphics mode
-	bit	MIXCLR
-	bit	HIRES
-	bit	TXTCLR
+        ; Switch into graphics mode
+        bit     MIXCLR
+        bit     HIRES
+        bit     TXTCLR
 
-	; Beagle Bros Shape Mechanic fonts don't
-	; scale well so use fixed scaling factor
-	lda	#$01
-	sta	SCALE
+        ; Beagle Bros Shape Mechanic fonts don't
+        ; scale well so use fixed scaling factor
+        lda     #$01
+        sta     SCALE
 
-	; Done, reset the error code
-	lda	#TGI_ERR_OK
-	sta	ERROR
-	rts
+        ; Done, reset the error code
+        lda     #TGI_ERR_OK
+        sta     ERROR
+        rts
 
 ; DONE: Will be called to switch the graphics device back into text mode.
 ; The graphics kernel will never call DONE when no graphics mode is active,
 ; so there is no need to protect against that.
 ; Must set an error code: NO
 DONE:
-	; Switch into text mode
-	bit	TXTSET
-	bit	LOWSCR
+        ; Switch into text mode
+        bit     TXTSET
+        bit     LOWSCR
 
-	.ifdef  __APPLE2ENH__
-	; Limit SET80COL-HISCR to text
-	bit	LORES
-	.endif
+        .ifdef  __APPLE2ENH__
+        ; Limit SET80COL-HISCR to text
+        bit     LORES
+        .endif
 
-	; Reset the text window top
-	lda	#$00
-	sta	WNDTOP
-	rts
+        ; Reset the text window top
+        lda     #$00
+        sta     WNDTOP
+        rts
 
 ; GETERROR: Return the error code in A and clear it.
 GETERROR:
-	lda	ERROR
-	ldx	#TGI_ERR_OK
-	stx	ERROR
-	rts
+        lda     ERROR
+        ldx     #TGI_ERR_OK
+        stx     ERROR
+        rts
 
 ; CONTROL: Platform/driver specific entry point.
 ; Must set an error code: YES
 CONTROL:
-	; Check data msb and code to be 0
-	ora	ptr1+1
-	bne	err
-
-	; Check data lsb to be [0..1]
-	lda	ptr1
-	cmp	#1+1
-	bcs	err
-
-	; Set text window top
-	tax
-	beq	:+
-	lda	#20
-:	sta	WNDTOP
-
-	; Switch 4 lines of text
-	.assert MIXCLR + 1 = MIXSET, error
-	lda	MIXCLR,x	; No BIT absolute,X available
-
-	; Done, reset the error code
-	lda	#TGI_ERR_OK
-	beq	:+		; Branch always
-
-	; Done, set the error code
-err:	lda	#TGI_ERR_INV_ARG
-:	sta	ERROR
-	rts
+        ; Check data msb and code to be 0
+        ora     ptr1+1
+        bne     err
+
+        ; Check data lsb to be [0..1]
+        lda     ptr1
+        cmp     #1+1
+        bcs     err
+
+        ; Set text window top
+        tax
+        beq     :+
+        lda     #20
+:       sta     WNDTOP
+
+        ; Switch 4 lines of text
+        .assert MIXCLR + 1 = MIXSET, error
+        lda     MIXCLR,x        ; No BIT absolute,X available
+
+        ; Done, reset the error code
+        lda     #TGI_ERR_OK
+        beq     :+              ; Branch always
+
+        ; Done, set the error code
+err:    lda     #TGI_ERR_INV_ARG
+:       sta     ERROR
+        rts
 
 ; CLEAR: Clears the screen.
 ; Must set an error code: NO
 CLEAR:
-	bit	$C082		; Switch in ROM
-	jsr	HCLR
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        jsr     HCLR
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
 ; The page number is already checked to be valid by the graphics kernel.
 ; Must set an error code: NO (will only be called if page ok)
 SETVIEWPAGE:
-	tax
-	.assert LOWSCR + 1 = HISCR, error
-	lda	LOWSCR,x	; No BIT absolute,X available
-	rts
+        tax
+        .assert LOWSCR + 1 = HISCR, error
+        lda     LOWSCR,x        ; No BIT absolute,X available
+        rts
 
 ; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
 ; The page number is already checked to be valid by the graphics kernel.
 ; Must set an error code: NO (will only be called if page ok)
 SETDRAWPAGE:
-	tax
-	beq	:+
-	lda	#>$4000		; Page 2
-	.byte	$2C		; BIT absolute
-:	lda	#>$2000		; Page 1
-	sta	PAGE
-	rts
+        tax
+        beq     :+
+        lda     #>$4000         ; Page 2
+        .byte   $2C             ; BIT absolute
+:       lda     #>$2000         ; Page 1
+        sta     PAGE
+        rts
 
 ; SETCOLOR: Set the drawing color (in A). The new color is already checked
 ; to be in a valid range (0..maxcolor-1).
 ; Must set an error code: NO (will only be called if color ok)
 SETCOLOR:
-	bit	$C082		; Switch in ROM
-	tax
-	jsr	SETHCOL
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        tax
+        jsr     SETHCOL
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; SETPALETTE: Set the palette (not available with all drivers/hardware).
 ; A pointer to the palette is passed in ptr1. Must set an error if palettes
 ; are not supported
 ; Must set an error code: YES
 SETPALETTE:
-	lda	#TGI_ERR_INV_FUNC
-	sta	ERROR
-	rts
+        lda     #TGI_ERR_INV_FUNC
+        sta     ERROR
+        rts
 
 ; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
 ; set the palette should return the default palette here, so there's no
 ; way for this function to fail.
 ; Must set an error code: NO
 GETPALETTE:
-	; Fall through
+        ; Fall through
 
 ; GETDEFPALETTE: Return the default palette for the driver in A/X. All
 ; drivers should return something reasonable here, even drivers that don't
@@ -299,147 +299,147 @@ GETPALETTE:
 ; of the (not changeable) palette.
 ; Must set an error code: NO (all drivers must have a default palette)
 GETDEFPALETTE:
-	lda	#DEFPALETTE
-	rts
+        lda     #DEFPALETTE
+        rts
 
 ; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
 ; color. The coordinates passed to this function are never outside the
 ; visible screen area, so there is no need for clipping inside this function.
 ; Must set an error code: NO
 SETPIXEL:
-	bit	$C082		; Switch in ROM
-	ldx	X1
-	ldy	X1+1
-	lda	Y1
-	jsr	HPLOT
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        ldx     X1
+        ldy     X1+1
+        lda     Y1
+        jsr     HPLOT
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; GETPIXEL: Read the color value of a pixel and return it in A/X. The
 ; coordinates passed to this function are never outside the visible screen
 ; area, so there is no need for clipping inside this function.
 GETPIXEL:
-	bit	$C082		; Switch in ROM
-	ldx	X1
-	ldy	X1+1
-	lda	Y1
-	jsr	HPOSN
-	lda	(HBASL),y
-	and	HMASK
-	asl
-	beq	:+		; 0 (black)
-	lda	#$03		; 3 (white)
-:	bcc	:+
-	adc	#$03		; += 4 (black -> black2, white -> white2)
-:	ldx	#$00
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        ldx     X1
+        ldy     X1+1
+        lda     Y1
+        jsr     HPOSN
+        lda     (HBASL),y
+        and     HMASK
+        asl
+        beq     :+              ; 0 (black)
+        lda     #$03            ; 3 (white)
+:       bcc     :+
+        adc     #$03            ; += 4 (black -> black2, white -> white2)
+:       ldx     #$00
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
 ; X2/Y2 = ptr3/ptr4 using the current drawing color.
 ; Must set an error code: NO
 LINE:
-	bit	$C082		; Switch in ROM
-	ldx	X1
-	ldy	X1+1
-	lda	Y1
-	jsr	HPOSN
-	lda	X2
-	ldx	X2+1
-	ldy	Y2
-	jsr	HLIN
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        ldx     X1
+        ldy     X1+1
+        lda     Y1
+        jsr     HPOSN
+        lda     X2
+        ldx     X2+1
+        ldy     Y2
+        jsr     HLIN
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
 ; X1/Y1 = ptr1/ptr2 and X2/Y2 = ptr3/ptr4 using the current drawing color.
 ; Contrary to most other functions, the graphics kernel will sort and clip
 ; the coordinates before calling the driver, so on entry the following
 ; conditions are valid:
-;	X1 <= X2
-;	Y1 <= Y2
-;	(X1 >= 0) && (X1 < XRES)
-;	(X2 >= 0) && (X2 < XRES)
-;	(Y1 >= 0) && (Y1 < YRES)
-;	(Y2 >= 0) && (Y2 < YRES)
+;       X1 <= X2
+;       Y1 <= Y2
+;       (X1 >= 0) && (X1 < XRES)
+;       (X2 >= 0) && (X2 < XRES)
+;       (Y1 >= 0) && (Y1 < YRES)
+;       (Y2 >= 0) && (Y2 < YRES)
 ; Must set an error code: NO
 BAR:
-	inc	Y2
-:	lda	Y2
-	pha
-  	lda	Y1
-	sta	Y2
-	jsr	LINE
-	pla
-	sta	Y2
-	inc	Y1
-	cmp	Y1
-	bne	:-
-	rts
+        inc     Y2
+:       lda     Y2
+        pha
+        lda     Y1
+        sta     Y2
+        jsr     LINE
+        pla
+        sta     Y2
+        inc     Y1
+        cmp     Y1
+        bne     :-
+        rts
 
 ; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
 ; direction is passend in X/Y, the text direction is passed in A.
 ; Must set an error code: NO
 TEXTSTYLE:
-	cmp	#TGI_TEXT_VERTICAL
-	bne	:+
-	lda	#48
-:	sta	ROT
-	rts
+        cmp     #TGI_TEXT_VERTICAL
+        bne     :+
+        lda     #48
+:       sta     ROT
+        rts
 
 ; OUTTEXT: Output text at X/Y = ptr1/ptr2 using the current color and the
 ; current text style. The text to output is given as a zero terminated
 ; string with address in ptr3.
 ; Must set an error code: NO
 OUTTEXT:
-	bit	$C082		; Switch in ROM
-	lda	X1
-	ldy	X1+1
-	ldx	ROT
-	php			; Save Z flag
-	beq	:+		; Not horizontal
-	sec
-	sbc	#$07		; Adjust X
-	bcs	:+
-	dey
-:	tax
-	lda	Y1
-	plp			; Restore Z flag
-	bne	:+		; Not vertical
-	sec
-	sbc	#$07		; Adjust Y
-:	jsr	HPOSN
-	clc
-	lda	FONT+2*99	; "connection char"
-	adc	#FONT
-	sta	ptr4+1
-	ldy	#$00
-:	lda	(ptr3),y
-	beq	:+
-	sty	tmp1		; Save string index
-	sec
-	sbc	#$1F		; No control chars
-	asl			; Offset * 2
-	tay
-	clc
-	lda	FONT,y
-	adc	#FONT
-	tay
-	lda	ROT
-	jsr	DRAW		; Draw char from string
-	ldx	ptr4
-	ldy	ptr4+1
-	lda	ROT
-	jsr	DRAW		; Draw "connection char"
-	ldy	tmp1		; Restore string index
-	iny
-	bne	:-		; Branch always
-:	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        lda     X1
+        ldy     X1+1
+        ldx     ROT
+        php                     ; Save Z flag
+        beq     :+              ; Not horizontal
+        sec
+        sbc     #$07            ; Adjust X
+        bcs     :+
+        dey
+:       tax
+        lda     Y1
+        plp                     ; Restore Z flag
+        bne     :+              ; Not vertical
+        sec
+        sbc     #$07            ; Adjust Y
+:       jsr     HPOSN
+        clc
+        lda     FONT+2*99       ; "connection char"
+        adc     #FONT
+        sta     ptr4+1
+        ldy     #$00
+:       lda     (ptr3),y
+        beq     :+
+        sty     tmp1            ; Save string index
+        sec
+        sbc     #$1F            ; No control chars
+        asl                     ; Offset * 2
+        tay
+        clc
+        lda     FONT,y
+        adc     #FONT
+        tay
+        lda     ROT
+        jsr     DRAW            ; Draw char from string
+        ldx     ptr4
+        ldy     ptr4+1
+        lda     ROT
+        jsr     DRAW            ; Draw "connection char"
+        ldy     tmp1            ; Restore string index
+        iny
+        bne     :-              ; Branch always
+:       bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
diff --git a/libsrc/apple2/tgi/a2.lo.s b/libsrc/apple2/tgi/a2.lo.s
index edea841be..7ac43e6cc 100644
--- a/libsrc/apple2/tgi/a2.lo.s
+++ b/libsrc/apple2/tgi/a2.lo.s
@@ -5,106 +5,106 @@
 ; Oliver Schmidt 
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"tgi-kernel.inc"
-	.include	"tgi-error.inc"
-	.include	"apple2.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
+        .include        "apple2.inc"
 
 ; ------------------------------------------------------------------------
 
 ; Zero page stuff
 
-H2	:=	$2C
-COLOR	:=	$30
+H2      :=      $2C
+COLOR   :=      $30
 
 ; ROM entry points
 
-TEXT    :=	$F399
-PLOT	:=	$F800
-HLINE	:=	$F819
-CLRSC2	:=	$F838
-SETCOL	:=	$F864
-SCRN	:=	$F871
-SETGR	:=	$FB40
-HOME	:=	$FC58
+TEXT    :=      $F399
+PLOT    :=      $F800
+HLINE   :=      $F819
+CLRSC2  :=      $F838
+SETCOL  :=      $F864
+SCRN    :=      $F871
+SETGR   :=      $FB40
+HOME    :=      $FC58
 
 ; Used for passing parameters to the driver
 
-X1	:=	ptr1
-Y1	:=	ptr2
-X2	:=	ptr3
-Y2	:=	ptr4
+X1      :=      ptr1
+Y1      :=      ptr2
+X2      :=      ptr3
+Y2      :=      ptr4
 
 ; ------------------------------------------------------------------------
 
-	.segment	"JUMPTABLE"
+        .segment        "JUMPTABLE"
 
 ; Header. Includes jump table and constants.
 
 ; First part of the header is a structure that has a magic and defines the
 ; capabilities of the driver
 
-	.byte	$74, $67, $69	; "tgi"
-	.byte	TGI_API_VERSION	; TGI API version number
-	.word	40		; X resolution
-	.word	48		; Y resolution
-	.byte	16		; Number of drawing colors
-	.byte	1		; Number of screens available
-	.byte	8		; System font X size
-	.byte	8		; System font Y size
-	.word   $0198		; Aspect ratio (based on 4/3 display)
+        .byte   $74, $67, $69   ; "tgi"
+        .byte   TGI_API_VERSION ; TGI API version number
+        .word   40              ; X resolution
+        .word   48              ; Y resolution
+        .byte   16              ; Number of drawing colors
+        .byte   1               ; Number of screens available
+        .byte   8               ; System font X size
+        .byte   8               ; System font Y size
+        .word   $0198           ; Aspect ratio (based on 4/3 display)
         .byte   0               ; TGI driver flags
 
 ; Next comes the jump table. With the exception of IRQ, all entries must be
 ; valid and may point to an RTS for test versions (function not implemented).
 
-       	.addr   INSTALL
-       	.addr   UNINSTALL
-       	.addr   INIT
-       	.addr   DONE
-       	.addr   GETERROR
-       	.addr   CONTROL
-       	.addr   CLEAR
-       	.addr   SETVIEWPAGE
-       	.addr   SETDRAWPAGE
-       	.addr   SETCOLOR
-       	.addr   SETPALETTE
-       	.addr   GETPALETTE
-       	.addr   GETDEFPALETTE
-       	.addr   SETPIXEL
-       	.addr   GETPIXEL
-       	.addr   LINE
-       	.addr   BAR
-       	.addr   TEXTSTYLE
-       	.addr   OUTTEXT
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   INIT
+        .addr   DONE
+        .addr   GETERROR
+        .addr   CONTROL
+        .addr   CLEAR
+        .addr   SETVIEWPAGE
+        .addr   SETDRAWPAGE
+        .addr   SETCOLOR
+        .addr   SETPALETTE
+        .addr   GETPALETTE
+        .addr   GETDEFPALETTE
+        .addr   SETPIXEL
+        .addr   GETPIXEL
+        .addr   LINE
+        .addr   BAR
+        .addr   TEXTSTYLE
+        .addr   OUTTEXT
         .addr   0               ; IRQ entry is unused
 
 ; ------------------------------------------------------------------------
 
-	.bss
+        .bss
 
-ERROR:	.res	1		; Error code
-MIX:	.res	1		; 4 lines of text
+ERROR:  .res    1               ; Error code
+MIX:    .res    1               ; 4 lines of text
 
 ; ------------------------------------------------------------------------
 
-	.rodata
+        .rodata
 
 DEFPALETTE: .byte $00, $01, $02, $03, $04, $05, $06, $07
-	    .byte $08, $09, $0A, $0B, $0C, $0D, $0E, $0F
+            .byte $08, $09, $0A, $0B, $0C, $0D, $0E, $0F
 
 TGI2COL:    .byte $00, $0C, $03, $0F, $01, $09, $06, $02
-	    .byte $04, $05, $07, $08, $0A, $0B, $0D, $0E
+            .byte $04, $05, $07, $08, $0A, $0B, $0D, $0E
 
 COL2TGI:    .byte $00, $04, $07, $02, $08, $09, $06, $0A
-	    .byte $0B, $05, $0C, $0D, $01, $0E, $0F, $03
+            .byte $0B, $05, $0C, $0D, $01, $0E, $0F, $03
 
-MAXY:	.byte 47, 39
+MAXY:   .byte 47, 39
 
 ; ------------------------------------------------------------------------
 
-	.code
+        .code
 
 ; INIT: Changes an already installed device from text mode to graphics mode.
 ; Note that INIT/DONE may be called multiple times while the driver
@@ -116,168 +116,168 @@ MAXY:	.byte 47, 39
 ; active, so there is no need to protect against that.
 ; Must set an error code: YES
 INIT:
-	; Switch into graphics mode
-	bit	$C082		; Switch in ROM
-	jsr	SETGR
-	bit	MIXCLR
-	bit	$C080		; Switch in LC bank 2 for R/O
+        ; Switch into graphics mode
+        bit     $C082           ; Switch in ROM
+        jsr     SETGR
+        bit     MIXCLR
+        bit     $C080           ; Switch in LC bank 2 for R/O
 
-	; Done, reset the error code
-	lda	#TGI_ERR_OK
-	sta	ERROR
-	sta	MIX
+        ; Done, reset the error code
+        lda     #TGI_ERR_OK
+        sta     ERROR
+        sta     MIX
 
-	; Fall through
+        ; Fall through
 
 ; INSTALL routine. Is called after the driver is loaded into memory. May
 ; initialize anything that has to be done just once. Is probably empty
 ; most of the time.
 ; Must set an error code: NO
 INSTALL:
-	; Fall through
+        ; Fall through
 
 ; UNINSTALL routine. Is called before the driver is removed from memory. May
 ; clean up anything done by INSTALL but is probably empty most of the time.
 ; Must set an error code: NO
 UNINSTALL:
-	; Fall through
+        ; Fall through
 
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
 ; The page number is already checked to be valid by the graphics kernel.
 ; Must set an error code: NO (will only be called if page ok)
 SETVIEWPAGE:
-	; Fall through
+        ; Fall through
 
 ; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
 ; The page number is already checked to be valid by the graphics kernel.
 ; Must set an error code: NO (will only be called if page ok)
 SETDRAWPAGE:
-	; Fall through
+        ; Fall through
 
 ; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
 ; direction is passend in X/Y, the text direction is passed in A.
 ; Must set an error code: NO
 TEXTSTYLE:
-	; Fall through
+        ; Fall through
 
 ; OUTTEXT: Output text at X/Y = ptr1/ptr2 using the current color and the
 ; current text style. The text to output is given as a zero terminated
 ; string with address in ptr3.
 ; Must set an error code: NO
 OUTTEXT:
-	rts
+        rts
 
 ; DONE: Will be called to switch the graphics device back into text mode.
 ; The graphics kernel will never call DONE when no graphics mode is active,
 ; so there is no need to protect against that.
 ; Must set an error code: NO
 DONE:
-	bit	$C082		; Switch in ROM
-	jsr	TEXT
-	jsr	HOME
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        jsr     TEXT
+        jsr     HOME
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; GETERROR: Return the error code in A and clear it.
 GETERROR:
-	lda	ERROR
-	ldx	#TGI_ERR_OK
-	stx	ERROR
-	rts
+        lda     ERROR
+        ldx     #TGI_ERR_OK
+        stx     ERROR
+        rts
 
 ; CLEAR: Clears the screen.
 ; Must set an error code: NO
 CLEAR:
-	bit	$C082		; Switch in ROM
-	lda	COLOR		; Save current drawing color
-	pha
-	ldx	MIX
-	ldy	MAXY,x		; Max Y depends on 4 lines of text
-	jsr	CLRSC2
-	pla
-	sta	COLOR		; Restore current drawing color
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        lda     COLOR           ; Save current drawing color
+        pha
+        ldx     MIX
+        ldy     MAXY,x          ; Max Y depends on 4 lines of text
+        jsr     CLRSC2
+        pla
+        sta     COLOR           ; Restore current drawing color
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; SETCOLOR: Set the drawing color (in A). The new color is already checked
 ; to be in a valid range (0..maxcolor-1).
 ; Must set an error code: NO (will only be called if color ok)
 SETCOLOR:
-	bit	$C082		; Switch in ROM
-	tax
-	lda	TGI2COL,x
-	jsr	SETCOL
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        tax
+        lda     TGI2COL,x
+        jsr     SETCOL
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; CONTROL: Platform/driver specific entry point.
 ; Must set an error code: YES
 CONTROL:
-	; Check data msb and code to be 0
-	ora	ptr1+1
-	bne	err
-
-	; Check data lsb to be [0..1]
-	lda	ptr1
-	cmp	#1+1
-	bcs	err
-	bit	$C082		; Switch in ROM
-
-	; Switch 4 lines of text
-	tax
-	.assert MIXCLR + 1 = MIXSET, error
-	lda	MIXCLR,x	; No BIT absolute,X available
-
-	; Save current switch setting
-	txa
-	sta	MIX
-	bne	text
-
-	; Clear 8 lines of graphics
-	lda	COLOR		; Save current drawing color
-	pha
-	lda	#39		; Rightmost column
-	sta	H2
-	ldx	#40		; First line
-:	txa
-	ldy	#$00		; Leftmost column
-	sty	COLOR		; Black
-	jsr	HLINE		; Preserves X
-	inx
-	cpx	#47+1		; Last line
-	bcc	:-
-	pla
-	sta	COLOR		; Restore current drawing color
-	bcs	:+		; Branch always
-
-	; Clear 4 lines of text
-text:	jsr	HOME
-:	bit	$C080		; Switch in LC bank 2 for R/O
-
-	; Done, reset the error code
-	lda	#TGI_ERR_OK
-	beq	:+		; Branch always
-
-	; Done, set the error code
-err:	lda	#TGI_ERR_INV_ARG
-:	sta	ERROR
-	rts
+        ; Check data msb and code to be 0
+        ora     ptr1+1
+        bne     err
+
+        ; Check data lsb to be [0..1]
+        lda     ptr1
+        cmp     #1+1
+        bcs     err
+        bit     $C082           ; Switch in ROM
+
+        ; Switch 4 lines of text
+        tax
+        .assert MIXCLR + 1 = MIXSET, error
+        lda     MIXCLR,x        ; No BIT absolute,X available
+
+        ; Save current switch setting
+        txa
+        sta     MIX
+        bne     text
+
+        ; Clear 8 lines of graphics
+        lda     COLOR           ; Save current drawing color
+        pha
+        lda     #39             ; Rightmost column
+        sta     H2
+        ldx     #40             ; First line
+:       txa
+        ldy     #$00            ; Leftmost column
+        sty     COLOR           ; Black
+        jsr     HLINE           ; Preserves X
+        inx
+        cpx     #47+1           ; Last line
+        bcc     :-
+        pla
+        sta     COLOR           ; Restore current drawing color
+        bcs     :+              ; Branch always
+
+        ; Clear 4 lines of text
+text:   jsr     HOME
+:       bit     $C080           ; Switch in LC bank 2 for R/O
+
+        ; Done, reset the error code
+        lda     #TGI_ERR_OK
+        beq     :+              ; Branch always
+
+        ; Done, set the error code
+err:    lda     #TGI_ERR_INV_ARG
+:       sta     ERROR
+        rts
 
 ; SETPALETTE: Set the palette (not available with all drivers/hardware).
 ; A pointer to the palette is passed in ptr1. Must set an error if palettes
 ; are not supported
 ; Must set an error code: YES
 SETPALETTE:
-	lda	#TGI_ERR_INV_FUNC
-	sta	ERROR
-	rts
+        lda     #TGI_ERR_INV_FUNC
+        sta     ERROR
+        rts
 
 ; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
 ; set the palette should return the default palette here, so there's no
 ; way for this function to fail.
 ; Must set an error code: NO
 GETPALETTE:
-	; Fall through
+        ; Fall through
 
 ; GETDEFPALETTE: Return the default palette for the driver in A/X. All
 ; drivers should return something reasonable here, even drivers that don't
@@ -285,63 +285,63 @@ GETPALETTE:
 ; of the (not changeable) palette.
 ; Must set an error code: NO (all drivers must have a default palette)
 GETDEFPALETTE:
-	lda	#DEFPALETTE
-	rts
+        lda     #DEFPALETTE
+        rts
 
 ; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
 ; color. The coordinates passed to this function are never outside the
 ; visible screen area, so there is no need for clipping inside this function.
 ; Must set an error code: NO
 SETPIXEL:
-	bit	$C082		; Switch in ROM
-	ldy	X1
-	lda	Y1
-	jsr	PLOT
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        ldy     X1
+        lda     Y1
+        jsr     PLOT
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; GETPIXEL: Read the color value of a pixel and return it in A/X. The
 ; coordinates passed to this function are never outside the visible screen
 ; area, so there is no need for clipping inside this function.
 GETPIXEL:
-	bit	$C082		; Switch in ROM
-	ldy	X1
-	lda	Y1
-	jsr	SCRN
-	tax
-	lda	COL2TGI,x
-	ldx	#$00
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        ldy     X1
+        lda     Y1
+        jsr     SCRN
+        tax
+        lda     COL2TGI,x
+        ldx     #$00
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
 ; X1/Y1 = ptr1/ptr2 and X2/Y2 = ptr3/ptr4 using the current drawing color.
 ; Contrary to most other functions, the graphics kernel will sort and clip
 ; the coordinates before calling the driver, so on entry the following
 ; conditions are valid:
-;	X1 <= X2
-;	Y1 <= Y2
-;	(X1 >= 0) && (X1 < XRES)
-;	(X2 >= 0) && (X2 < XRES)
-;	(Y1 >= 0) && (Y1 < YRES)
-;	(Y2 >= 0) && (Y2 < YRES)
+;       X1 <= X2
+;       Y1 <= Y2
+;       (X1 >= 0) && (X1 < XRES)
+;       (X2 >= 0) && (X2 < XRES)
+;       (Y1 >= 0) && (Y1 < YRES)
+;       (Y2 >= 0) && (Y2 < YRES)
 ; Must set an error code: NO
 BAR:
-	bit	$C082		; Switch in ROM
-	lda	X2
-	sta	H2
-	inc	Y2
-	ldx	Y1
-:	txa
-	ldy	X1
-	jsr	HLINE		; Preserves X
-	inx
-	cpx	Y2
-	bcc	:-
-	bit	$C080		; Switch in LC bank 2 for R/O
-	rts
+        bit     $C082           ; Switch in ROM
+        lda     X2
+        sta     H2
+        inc     Y2
+        ldx     Y1
+:       txa
+        ldy     X1
+        jsr     HLINE           ; Preserves X
+        inx
+        cpx     Y2
+        bcc     :-
+        bit     $C080           ; Switch in LC bank 2 for R/O
+        rts
 
 ; ------------------------------------------------------------------------
 
-.include	"../../tgi/tgidrv_line.inc"
+.include        "../../tgi/tgidrv_line.inc"
diff --git a/libsrc/apple2/tgi_colors.s b/libsrc/apple2/tgi_colors.s
index 8bc369809..53505b33d 100644
--- a/libsrc/apple2/tgi_colors.s
+++ b/libsrc/apple2/tgi_colors.s
@@ -2,7 +2,7 @@
 ; Target-specific black & white values for use by the target-shared TGI kernel
 ;
 
-	.include	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
 
-	.export		tgi_color_black:zp = $00
-	.export		tgi_color_white:zp = $03
+        .export         tgi_color_black:zp = $00
+        .export         tgi_color_white:zp = $03
diff --git a/libsrc/apple2/tgi_stat_stddrv.s b/libsrc/apple2/tgi_stat_stddrv.s
index e9affe3b3..9fc1ca902 100644
--- a/libsrc/apple2/tgi_stat_stddrv.s
+++ b/libsrc/apple2/tgi_stat_stddrv.s
@@ -6,16 +6,16 @@
 ; const void tgi_static_stddrv[];
 ;
 
-        .export	_tgi_static_stddrv
-        .ifdef	__APPLE2ENH__
-        .import	_a2e_hi_tgi
+        .export _tgi_static_stddrv
+        .ifdef  __APPLE2ENH__
+        .import _a2e_hi_tgi
         .else
-        .import	_a2_hi_tgi
+        .import _a2_hi_tgi
         .endif
 
 .rodata
 
-        .ifdef	__APPLE2ENH__
+        .ifdef  __APPLE2ENH__
 _tgi_static_stddrv := _a2e_hi_tgi
         .else
 _tgi_static_stddrv := _a2_hi_tgi
diff --git a/libsrc/apple2/tgi_stddrv.s b/libsrc/apple2/tgi_stddrv.s
index 15d56127c..451b4c2fa 100644
--- a/libsrc/apple2/tgi_stddrv.s
+++ b/libsrc/apple2/tgi_stddrv.s
@@ -6,13 +6,13 @@
 ; const char tgi_stddrv[];
 ;
 
-        .export	_tgi_stddrv
+        .export _tgi_stddrv
 
 .rodata
 
 _tgi_stddrv:
-        .ifdef	__APPLE2ENH__
-        .asciiz	"A2E.HI.TGI"
+        .ifdef  __APPLE2ENH__
+        .asciiz "A2E.HI.TGI"
         .else
-        .asciiz	"A2.HI.TGI"
+        .asciiz "A2.HI.TGI"
         .endif
diff --git a/libsrc/apple2/toascii.s b/libsrc/apple2/toascii.s
index 586606553..a3f946e64 100644
--- a/libsrc/apple2/toascii.s
+++ b/libsrc/apple2/toascii.s
@@ -3,7 +3,7 @@
 ; /* Convert a target specific character to ascii */
 ;
 
-        .export	        _toascii
+        .export         _toascii
 
 _toascii:
         ldx     #$00
diff --git a/libsrc/apple2/videomode.s b/libsrc/apple2/videomode.s
index 7a0493384..1da997472 100644
--- a/libsrc/apple2/videomode.s
+++ b/libsrc/apple2/videomode.s
@@ -5,7 +5,7 @@
 ;
         .ifdef  __APPLE2ENH__
 
-	.export		_videomode
+        .export         _videomode
         .import         COUT
 
         .include        "apple2.inc"
diff --git a/libsrc/apple2/vtabz.s b/libsrc/apple2/vtabz.s
index 5ad350598..31de544c7 100644
--- a/libsrc/apple2/vtabz.s
+++ b/libsrc/apple2/vtabz.s
@@ -4,17 +4,17 @@
 ; VTABZ routine
 ;
 
-	.export		VTABZ
+        .export         VTABZ
 
-	.include	"apple2.inc"
+        .include        "apple2.inc"
 
-	.segment        "LOWCODE"
+        .segment        "LOWCODE"
 
 VTABZ:
-	; Switch in ROM and call VTABZ
-	bit	$C082
-	jsr	$FC24		; Generate text base address
+        ; Switch in ROM and call VTABZ
+        bit     $C082
+        jsr     $FC24           ; Generate text base address
 
-	; Switch in LC bank 2 and return
-	bit	$C080
-	rts
+        ; Switch in LC bank 2 and return
+        bit     $C080
+        rts
diff --git a/libsrc/apple2/wherex.s b/libsrc/apple2/wherex.s
index 1d67a2fd9..bd717a22b 100644
--- a/libsrc/apple2/wherex.s
+++ b/libsrc/apple2/wherex.s
@@ -4,11 +4,11 @@
 ; unsigned char wherex (void);
 ;
 
-        .export	       	_wherex
+        .export         _wherex
 
-        .include	"apple2.inc"
+        .include        "apple2.inc"
 
 _wherex:
-        lda    	CH
+        lda     CH
         ldx     #$00
         rts
diff --git a/libsrc/apple2/wherey.s b/libsrc/apple2/wherey.s
index 1ac7b6a75..daacaaba7 100644
--- a/libsrc/apple2/wherey.s
+++ b/libsrc/apple2/wherey.s
@@ -4,13 +4,13 @@
 ; unsigned char wherey (void);
 ;
 
-        .export	       	_wherey
+        .export         _wherey
 
-        .include	"apple2.inc"
+        .include        "apple2.inc"
 
 _wherey:
-        lda	CV
+        lda     CV
         sec
-        sbc	WNDTOP
+        sbc     WNDTOP
         ldx     #$00
         rts
diff --git a/libsrc/apple2/write.s b/libsrc/apple2/write.s
index d8f7fcd84..21f4a45a4 100644
--- a/libsrc/apple2/write.s
+++ b/libsrc/apple2/write.s
@@ -4,44 +4,44 @@
 ; int __fastcall__ write (int fd, const void* buf, unsigned count);
 ;
 
-        .export		_write
-        .import		rwprolog, rwcommon, rwepilog
-        .import		COUT
+        .export         _write
+        .import         rwprolog, rwcommon, rwepilog
+        .import         COUT
 
-        .include	"zeropage.inc"
-        .include	"errno.inc"
-        .include	"fcntl.inc"
-        .include	"mli.inc"
-        .include	"filedes.inc"
+        .include        "zeropage.inc"
+        .include        "errno.inc"
+        .include        "fcntl.inc"
+        .include        "mli.inc"
+        .include        "filedes.inc"
 
 _write:
         ; Get parameters
-        jsr	rwprolog
-        bcs	errno
-        tax			; Save fd
+        jsr     rwprolog
+        bcs     errno
+        tax                     ; Save fd
 
         ; Check for write access
-        lda	fdtab + FD::FLAGS,y
-        and	#O_WRONLY
-        beq	einval
+        lda     fdtab + FD::FLAGS,y
+        and     #O_WRONLY
+        beq     einval
 
         ; Check for device
-        txa			; Restore fd
-        bmi	device
+        txa                     ; Restore fd
+        bmi     device
 
-        ; Check	for append flag
-        lda	fdtab + FD::FLAGS,y
-        and	#O_APPEND
-        beq	write
+        ; Check for append flag
+        lda     fdtab + FD::FLAGS,y
+        and     #O_APPEND
+        beq     write
 
         ; Set fd
-        stx	mliparam + MLI::EOF::REF_NUM
+        stx     mliparam + MLI::EOF::REF_NUM
 
         ; Get file size
-        lda	#GET_EOF_CALL
-        ldx	#EOF_COUNT
-        jsr	callmli
-        bcs	oserr
+        lda     #GET_EOF_CALL
+        ldx     #EOF_COUNT
+        jsr     callmli
+        bcs     oserr
 
         ; REF_NUM already set
         .assert MLI::MARK::REF_NUM = MLI::EOF::REF_NUM, error
@@ -50,65 +50,65 @@ _write:
         .assert MLI::MARK::POSITION = MLI::EOF::EOF, error
 
         ; Set file pointer
-        lda	#SET_MARK_CALL
-        ldx	#MARK_COUNT
-        jsr	callmli
-        bcs	oserr
+        lda     #SET_MARK_CALL
+        ldx     #MARK_COUNT
+        jsr     callmli
+        bcs     oserr
 
         ; Do write
-write:  lda	fdtab + FD::REF_NUM,y
-        ldy	#WRITE_CALL
-        jmp	rwcommon
+write:  lda     fdtab + FD::REF_NUM,y
+        ldy     #WRITE_CALL
+        jmp     rwcommon
 
         ; Save count for epilog
-device: ldx	ptr2
-        lda	ptr2+1
-        stx	mliparam + MLI::RW::TRANS_COUNT
-        sta	mliparam + MLI::RW::TRANS_COUNT+1
+device: ldx     ptr2
+        lda     ptr2+1
+        stx     mliparam + MLI::RW::TRANS_COUNT
+        sta     mliparam + MLI::RW::TRANS_COUNT+1
 
         ; Check for zero count
-        ora	ptr2
-        beq	done
+        ora     ptr2
+        beq     done
 
         ; Get char from buf
-        ldy	#$00
-next:   lda	(ptr1),y
+        ldy     #$00
+next:   lda     (ptr1),y
 
         ; Replace '\n' with '\r'
-        cmp	#$0A
-        bne	:+
-        lda	#$0D
+        cmp     #$0A
+        bne     :+
+        lda     #$0D
 
         ; Set hi bit and write to device
-:       ora	#$80
-        .ifndef	__APPLE2ENH__
-        cmp	#$E0		; Test for lowercase
-        bcc	output
-        and	#$DF		; Convert to uppercase
+:       ora     #$80
+        .ifndef __APPLE2ENH__
+        cmp     #$E0            ; Test for lowercase
+        bcc     output
+        and     #$DF            ; Convert to uppercase
         .endif
-output: jsr	COUT		; Preserves X and Y
+output: jsr     COUT            ; Preserves X and Y
 
         ; Increment pointer
         iny
-        bne	:+
-        inc	ptr1+1
+        bne     :+
+        inc     ptr1+1
 
         ; Decrement count
 :       dex
-        bne	next
-        dec	ptr2+1
-        bpl	next
+        bne     next
+        dec     ptr2+1
+        bpl     next
 
         ; Return success
-done:   lda	#$00
-        jmp	rwepilog
+done:   lda     #$00
+        jmp     rwepilog
 
         ; Load errno code
-einval: lda	#EINVAL
+einval: lda     #EINVAL
 
         ; Set __errno
-errno:  jmp	__directerrno
+errno:  jmp     __directerrno
 
         ; Set __oserror
-oserr:  jmp	__mappederrno
+oserr:  jmp     __mappederrno
                                                           
diff --git a/libsrc/atari/_scrsize.s b/libsrc/atari/_scrsize.s
index 2d69d669e..c827ba397 100644
--- a/libsrc/atari/_scrsize.s
+++ b/libsrc/atari/_scrsize.s
@@ -4,8 +4,8 @@
 ; Screen size variables
 ;
 
-	.export		screensize
-	.include	"atari.inc"
+        .export         screensize
+        .include        "atari.inc"
 
 .proc   screensize
 
diff --git a/libsrc/atari/break.s b/libsrc/atari/break.s
index ebad1cb3d..a53ed9803 100644
--- a/libsrc/atari/break.s
+++ b/libsrc/atari/break.s
@@ -5,65 +5,65 @@
 ; void reset_brk (void);
 ;
 
-       	.export	   	_set_brk, _reset_brk
-	.destructor	_reset_brk
-       	.export	       	_brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
+        .export         _set_brk, _reset_brk
+        .destructor     _reset_brk
+        .export         _brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
 
-	.include   	"atari.inc"
+        .include        "atari.inc"
 
 
 .bss
-_brk_a:		.res	1
-_brk_x:		.res   	1
-_brk_y:		.res   	1
-_brk_sr:	.res	1
-_brk_pc:	.res	2
+_brk_a:         .res    1
+_brk_x:         .res    1
+_brk_y:         .res    1
+_brk_sr:        .res    1
+_brk_pc:        .res    2
 
-oldvec:       	.res	2   		; Old vector
+oldvec:         .res    2               ; Old vector
 
 
 .data
-uservec:    	jmp	$FFFF		; Patched at runtime
+uservec:        jmp     $FFFF           ; Patched at runtime
 
 
 .code
 
 ; Set the break vector
-.proc	_set_brk
+.proc   _set_brk
 
-	sta	uservec+1
-  	stx	uservec+2 	; Set the user vector
+        sta     uservec+1
+        stx     uservec+2       ; Set the user vector
 
-	lda	oldvec
-	ora	oldvec+1	; Did we save the vector already?
-	bne	L1		; Jump if we installed the handler already
+        lda     oldvec
+        ora     oldvec+1        ; Did we save the vector already?
+        bne     L1              ; Jump if we installed the handler already
 
-	lda	VBREAK
- 	sta    	oldvec
- 	lda 	VBREAK+1
- 	sta	oldvec+1	; Save the old vector
+        lda     VBREAK
+        sta     oldvec
+        lda     VBREAK+1
+        sta     oldvec+1        ; Save the old vector
 
-L1:	lda	#brk_handler
-	sta	VBREAK+1
-	rts
+L1:     lda     #brk_handler
+        sta     VBREAK+1
+        rts
 
 .endproc
 
 
 ; Reset the break vector
-.proc	_reset_brk
-
-	lda  	oldvec
-	ldx  	oldvec+1
-	beq  	@L9		; Jump if vector not installed
-	sta    	VBREAK
-	stx  	VBREAK+1
-	lda	#$00
-	sta	oldvec		; Clear the old vector
-	stx	oldvec+1
-@L9:	rts	
+.proc   _reset_brk
+
+        lda     oldvec
+        ldx     oldvec+1
+        beq     @L9             ; Jump if vector not installed
+        sta     VBREAK
+        stx     VBREAK+1
+        lda     #$00
+        sta     oldvec          ; Clear the old vector
+        stx     oldvec+1
+@L9:    rts     
 
 .endproc
 
@@ -71,35 +71,35 @@ L1:	lda	# don't close yet
-	lda	#CLOSE
-	sta	ICCOM,x
-	jsr	CIOV
-	bmi	closerr
-ok:	ldx	#0
-	stx	__oserror		; clear system specific error code
-	txa
-	rts
+.proc   _close
+        jsr     fdtoiocb_down           ; get iocb index into X and decr. usage count
+        bmi     inverr
+        bne     ok                      ; not last one -> don't close yet
+        lda     #CLOSE
+        sta     ICCOM,x
+        jsr     CIOV
+        bmi     closerr
+ok:     ldx     #0
+        stx     __oserror               ; clear system specific error code
+        txa
+        rts
 
-inverr:	jmp	__inviocb
-closerr:jmp	__do_oserror
+inverr: jmp     __inviocb
+closerr:jmp     __do_oserror
 
 .endproc
 
diff --git a/libsrc/atari/clrscr.s b/libsrc/atari/clrscr.s
index b352a83de..58fb63137 100644
--- a/libsrc/atari/clrscr.s
+++ b/libsrc/atari/clrscr.s
@@ -4,33 +4,33 @@
 ; void clrscr (void);
 ;
 
-	.export		_clrscr
-	.include	"atari.inc"
-	.importzp	ptr1
-	.import		setcursor
+        .export         _clrscr
+        .include        "atari.inc"
+        .importzp       ptr1
+        .import         setcursor
 
-_clrscr:lda	SAVMSC		; screen memory
-	sta	ptr1
-	lda	SAVMSC+1
-	clc
-	adc	#>(40*24)
-	sta	ptr1+1
-	lda	#0		; screen code of space char
-	sta	OLDCHR
-	ldy	#<(40*24)	; 40x24: size of default atari screen
-	ldx	#>(40*24)
-_clr1:	sta	(ptr1),y
-	dey
-	bne	_clr1
-	sta	(ptr1),y
-	dex
-	bmi	done
-	ldy	ptr1+1
-	dey
-	sty	ptr1+1
-	ldy	#255
-	jmp	_clr1
+_clrscr:lda     SAVMSC          ; screen memory
+        sta     ptr1
+        lda     SAVMSC+1
+        clc
+        adc     #>(40*24)
+        sta     ptr1+1
+        lda     #0              ; screen code of space char
+        sta     OLDCHR
+        ldy     #<(40*24)       ; 40x24: size of default atari screen
+        ldx     #>(40*24)
+_clr1:  sta     (ptr1),y
+        dey
+        bne     _clr1
+        sta     (ptr1),y
+        dex
+        bmi     done
+        ldy     ptr1+1
+        dey
+        sty     ptr1+1
+        ldy     #255
+        jmp     _clr1
 
-done:	sta	COLCRS
-	sta	ROWCRS
-	jmp	setcursor
+done:   sta     COLCRS
+        sta     ROWCRS
+        jmp     setcursor
diff --git a/libsrc/atari/color.s b/libsrc/atari/color.s
index 52432499d..57d0036c9 100644
--- a/libsrc/atari/color.s
+++ b/libsrc/atari/color.s
@@ -2,33 +2,33 @@
 ; Christian Groessler, 27-Dec-2002
 ;
 
- 	.export		_textcolor, _bgcolor, _bordercolor
-	.import		return1
+        .export         _textcolor, _bgcolor, _bordercolor
+        .import         return1
 
-	.include	"atari.inc"
+        .include        "atari.inc"
 
 
-_textcolor	=	return1
+_textcolor      =       return1
 
 _bgcolor:
-	ldx	COLOR2	; get old value
-	sta	COLOR2	; set new value
-	and	#$0e
-	cmp	#8
-	bcs	bright
-	lda	#$0e
-	.byte	$2c	; bit opcode, eats the next 2 bytes
-bright:	lda	#0
-	sta	COLOR1
-	txa
-	ldx	#0	; fix X
-	rts
+        ldx     COLOR2  ; get old value
+        sta     COLOR2  ; set new value
+        and     #$0e
+        cmp     #8
+        bcs     bright
+        lda     #$0e
+        .byte   $2c     ; bit opcode, eats the next 2 bytes
+bright: lda     #0
+        sta     COLOR1
+        txa
+        ldx     #0      ; fix X
+        rts
 
 
 _bordercolor:
-	ldx	COLOR4	; get old value
-	sta	COLOR4	; set new value
-	txa
-	ldx	#0	; fix X
-	rts
+        ldx     COLOR4  ; get old value
+        sta     COLOR4  ; set new value
+        txa
+        ldx     #0      ; fix X
+        rts
 
diff --git a/libsrc/atari/cputc.s b/libsrc/atari/cputc.s
index 906a79282..cd2aefe79 100644
--- a/libsrc/atari/cputc.s
+++ b/libsrc/atari/cputc.s
@@ -5,91 +5,91 @@
 ; void cputc (char c);
 ;
 
-    	.export	       	_cputcxy, _cputc
-	.export		plot, cputdirect, putchar
-	.import		popa, _gotoxy, mul40
-	.importzp	tmp4,ptr4
-	.import		_revflag,setcursor
+        .export         _cputcxy, _cputc
+        .export         plot, cputdirect, putchar
+        .import         popa, _gotoxy, mul40
+        .importzp       tmp4,ptr4
+        .import         _revflag,setcursor
 
-	.include	"atari.inc"
+        .include        "atari.inc"
 
 _cputcxy:
-	pha	    		; Save C
-	jsr	popa		; Get Y
-	jsr	_gotoxy		; Set cursor, drop x
-	pla			; Restore C
+        pha                     ; Save C
+        jsr     popa            ; Get Y
+        jsr     _gotoxy         ; Set cursor, drop x
+        pla                     ; Restore C
 
 _cputc:
-	cmp	#$0D		; CR
-	bne	L4
-	lda	#0
-	sta	COLCRS
-	beq	plot		; return
+        cmp     #$0D            ; CR
+        bne     L4
+        lda     #0
+        sta     COLCRS
+        beq     plot            ; return
 
-L4:	cmp	#$0A		; LF
-	beq	newline
-	cmp	#ATEOL 	  	; Atari-EOL?
-	beq	newline
+L4:     cmp     #$0A            ; LF
+        beq     newline
+        cmp     #ATEOL          ; Atari-EOL?
+        beq     newline
 
-	tay
-	rol	a
-	rol	a
-	rol	a
-	rol	a
-	and	#3
-	tax
-	tya
-	and	#$9f
-	ora	ataint,x
+        tay
+        rol     a
+        rol     a
+        rol     a
+        rol     a
+        and     #3
+        tax
+        tya
+        and     #$9f
+        ora     ataint,x
 
-cputdirect:			; accepts screen code
-	jsr	putchar
+cputdirect:                     ; accepts screen code
+        jsr     putchar
 
 ; advance cursor
-	inc	COLCRS
-	lda	COLCRS
-	cmp	#40
-	bcc	plot
-	lda	#0
-	sta	COLCRS
+        inc     COLCRS
+        lda     COLCRS
+        cmp     #40
+        bcc     plot
+        lda     #0
+        sta     COLCRS
 
-	.export newline
+        .export newline
 newline:
-	inc	ROWCRS
-	lda	ROWCRS
-	cmp	#24
-	bne	plot
-	lda	#0
-	sta	ROWCRS
-plot:	jsr	setcursor
-	ldy	COLCRS
-	ldx	ROWCRS
-	rts
+        inc     ROWCRS
+        lda     ROWCRS
+        cmp     #24
+        bne     plot
+        lda     #0
+        sta     ROWCRS
+plot:   jsr     setcursor
+        ldy     COLCRS
+        ldx     ROWCRS
+        rts
 
 ; turn off cursor, update screen, turn on cursor
 putchar:
-	pha			; save char
+        pha                     ; save char
 
-	ldy	#0
-	lda	OLDCHR
-	sta	(OLDADR),y
+        ldy     #0
+        lda     OLDCHR
+        sta     (OLDADR),y
 
-	lda	ROWCRS
-	jsr	mul40		; destroys tmp4
-	clc
-	adc	SAVMSC		; add start of screen memory
-	sta	ptr4
-	txa
-	adc	SAVMSC+1
-	sta	ptr4+1
-	pla			; get char again
+        lda     ROWCRS
+        jsr     mul40           ; destroys tmp4
+        clc
+        adc     SAVMSC          ; add start of screen memory
+        sta     ptr4
+        txa
+        adc     SAVMSC+1
+        sta     ptr4+1
+        pla                     ; get char again
 
-	ora	_revflag
-	sta	OLDCHR
+        ora     _revflag
+        sta     OLDCHR
 
-	ldy	COLCRS
-	sta	(ptr4),y
-	jmp	setcursor
+        ldy     COLCRS
+        sta     (ptr4),y
+        jmp     setcursor
 
-	.rodata
-ataint:	.byte	64,0,32,96
+        .rodata
+ataint: .byte   64,0,32,96
diff --git a/libsrc/atari/crt0.s b/libsrc/atari/crt0.s
index 1a404f021..f007e64ad 100644
--- a/libsrc/atari/crt0.s
+++ b/libsrc/atari/crt0.s
@@ -2,165 +2,165 @@
 ; Startup code for cc65 (ATARI version)
 ;
 ; Contributing authors:
-;	Mark Keates
-;	Freddy Offenga
-;	Christian Groessler
-;	Stefan Haubenthal
+;       Mark Keates
+;       Freddy Offenga
+;       Christian Groessler
+;       Stefan Haubenthal
 ;
 
-	.export		_exit
-	.export		__STARTUP__ : absolute = 1	; Mark as startup
+        .export         _exit
+        .export         __STARTUP__ : absolute = 1      ; Mark as startup
 
-	.import		initlib, donelib
-	.import		callmain, zerobss
-	.import		__STARTUP_LOAD__, __ZPSAVE_LOAD__
-	.import		__RESERVED_MEMORY__
+        .import         initlib, donelib
+        .import         callmain, zerobss
+        .import         __STARTUP_LOAD__, __ZPSAVE_LOAD__
+        .import         __RESERVED_MEMORY__
 
-	.include	"zeropage.inc"
-	.include	"atari.inc"
+        .include        "zeropage.inc"
+        .include        "atari.inc"
 
 ; ------------------------------------------------------------------------
 ; EXE header
 
-.segment	"EXEHDR"
+.segment        "EXEHDR"
 
-	.word	$FFFF
-	.word	__STARTUP_LOAD__
-	.word	__ZPSAVE_LOAD__ - 1
+        .word   $FFFF
+        .word   __STARTUP_LOAD__
+        .word   __ZPSAVE_LOAD__ - 1
 
 ; ------------------------------------------------------------------------
 ; Actual code
 
-.segment	"STARTUP"
+.segment        "STARTUP"
 
-	rts	; fix for SpartaDOS / OS/A+
-		; they first call the entry point from AUTOSTRT and
-		; then the load addess (this rts here).
-		; We point AUTOSTRT directly after the rts.
+        rts     ; fix for SpartaDOS / OS/A+
+                ; they first call the entry point from AUTOSTRT and
+                ; then the load addess (this rts here).
+                ; We point AUTOSTRT directly after the rts.
 
 ; Real entry point:
 
 ; Save the zero page locations we need
 
-	ldx	#zpspace-1
-L1:	lda	sp,x
-	sta	zpsave,x
-	dex
-	bpl	L1
+        ldx     #zpspace-1
+L1:     lda     sp,x
+        sta     zpsave,x
+        dex
+        bpl     L1
 
 ; Clear the BSS data
 
-	jsr	zerobss
+        jsr     zerobss
 
 ; Setup the stack
 
-	tsx
-	stx	spsave
+        tsx
+        stx     spsave
 
 ; Report memory usage
 
-	lda	APPMHI
-	sta	appmsav			; remember old APPMHI value
-	lda	APPMHI+1
-	sta	appmsav+1
-
-	sec
-	lda	MEMTOP
-	sbc	#<__RESERVED_MEMORY__
-	sta	APPMHI			; initialize our APPMHI value
-	sta	sp			; setup runtime stack part 1
-	lda	MEMTOP+1
-	sbc	#>__RESERVED_MEMORY__
-	sta	APPMHI+1
-	sta	sp+1			; setup runtime stack part 2
+        lda     APPMHI
+        sta     appmsav                 ; remember old APPMHI value
+        lda     APPMHI+1
+        sta     appmsav+1
+
+        sec
+        lda     MEMTOP
+        sbc     #<__RESERVED_MEMORY__
+        sta     APPMHI                  ; initialize our APPMHI value
+        sta     sp                      ; setup runtime stack part 1
+        lda     MEMTOP+1
+        sbc     #>__RESERVED_MEMORY__
+        sta     APPMHI+1
+        sta     sp+1                    ; setup runtime stack part 2
 
 ; Call module constructors
 
-	jsr	initlib
+        jsr     initlib
 
 ; Set left margin to 0
 
-	lda	LMARGN
-	sta	old_lmargin
-	ldy	#0
-	sty	LMARGN
+        lda     LMARGN
+        sta     old_lmargin
+        ldy     #0
+        sty     LMARGN
 
 ; Set keyb to upper/lowercase mode
 
-	ldx	SHFLOK
-	stx	old_shflok
-	sty	SHFLOK
+        ldx     SHFLOK
+        stx     old_shflok
+        sty     SHFLOK
 
 ; Initialize conio stuff
 
-	dey				; Set X to $FF
-	sty	CH
+        dey                             ; Set X to $FF
+        sty     CH
 
 ; Push arguments and call main
 
-	jsr	callmain
+        jsr     callmain
 
 ; Call module destructors. This is also the _exit entry.
 
-_exit:	jsr	donelib		; Run module destructors
+_exit:  jsr     donelib         ; Run module destructors
 
 ; Restore system stuff
 
-	ldx	spsave
-	txs			; Restore stack pointer
+        ldx     spsave
+        txs                     ; Restore stack pointer
 
 ; Restore left margin
 
-	lda	old_lmargin
-	sta	LMARGN
+        lda     old_lmargin
+        sta     LMARGN
 
 ; Restore kb mode
 
-	lda	old_shflok
-	sta	SHFLOK
+        lda     old_shflok
+        sta     SHFLOK
 
 ; Restore APPMHI
 
-	lda	appmsav
-	sta	APPMHI
-	lda	appmsav+1
-	sta	APPMHI+1
+        lda     appmsav
+        sta     APPMHI
+        lda     appmsav+1
+        sta     APPMHI+1
 
 ; Copy back the zero page stuff
 
-	ldx	#zpspace-1
-L2:	lda	zpsave,x
-	sta	sp,x
-	dex
-	bpl	L2
+        ldx     #zpspace-1
+L2:     lda     zpsave,x
+        sta     sp,x
+        dex
+        bpl     L2
 
 ; Turn on cursor
 
-	inx
-	stx	CRSINH
+        inx
+        stx     CRSINH
 
 ; Back to DOS
 
-	rts
+        rts
 
 ; *** end of main startup code
 
 ; ------------------------------------------------------------------------
 
-.segment	"ZPSAVE"
+.segment        "ZPSAVE"
 
-zpsave: .res	zpspace
+zpsave: .res    zpspace
 
 ; ------------------------------------------------------------------------
 
 .bss
 
-spsave:		.res	1
-appmsav:	.res	1
-old_shflok:	.res	1
-old_lmargin:	.res	1
+spsave:         .res    1
+appmsav:        .res    1
+old_shflok:     .res    1
+old_lmargin:    .res    1
 
-	.segment "AUTOSTRT"
-	.word	RUNAD			; defined in atari.h
-	.word	RUNAD+1
-	.word	__STARTUP_LOAD__ + 1
+        .segment "AUTOSTRT"
+        .word   RUNAD                   ; defined in atari.h
+        .word   RUNAD+1
+        .word   __STARTUP_LOAD__ + 1
diff --git a/libsrc/atari/ctype.s b/libsrc/atari/ctype.s
index 8dbed2700..73553dc15 100644
--- a/libsrc/atari/ctype.s
+++ b/libsrc/atari/ctype.s
@@ -35,267 +35,267 @@
 ;   6 - Other whitespace (that is: '\f', '\n', '\r', '\t' and '\v')
 ;   7 - Space or tab character
 
-	.export	  	__ctype
+        .export         __ctype
 
 __ctype:
-       	.byte  	$00    	;   0/00 ___heart____
-       	.byte  	$00    	;   1/01 ___l_tee____
-       	.byte  	$00    	;   2/02 ___ctrl_B___
-       	.byte  	$00    	;   3/03 ___ctrl_C___
-       	.byte  	$00    	;   4/04 ___r_tee____
-       	.byte  	$00    	;   5/05 ___ctrl_E___
-       	.byte  	$00    	;   6/06 ___ctrl_F___
-       	.byte  	$00    	;   7/07 ___ctrl_G___
-       	.byte  	$00    	;   8/08 ___ctrl_H___
-       	.byte  	$00    	;   9/09 ___ctrl_I___
-       	.byte  	$00    	;  10/0a ___ctrl_J___
-       	.byte  	$00    	;  11/0b ___ctrl_K___
-       	.byte  	$00    	;  12/0c ___ctrl_L___
-       	.byte  	$00    	;  13/0d ___ctrl_M___
-       	.byte  	$00    	;  14/0e ___ctrl_N___
-       	.byte  	$00    	;  15/0f ___ctrl_O___
-       	.byte  	$00    	;  16/10 ____club____
-       	.byte  	$00    	;  17/11 ___ctrl_Q___
-       	.byte  	$00    	;  18/12 ___h_line___
-       	.byte  	$00    	;  19/13 ___ctrl_S___
-       	.byte  	$00    	;  20/14 ____ball____
-       	.byte  	$00    	;  21/15 ___ctrl_U___
-       	.byte  	$00    	;  22/16 ___ctrl_V___
-       	.byte  	$00    	;  23/17 ___t_tee____
-       	.byte  	$00    	;  24/18 ___b_tee____
-       	.byte  	$00    	;  25/19 ___ctrl_Y___
-       	.byte  	$00    	;  26/1a ___ctrl_Z___
-       	.byte  	$10    	;  27/1b ____ESC_____
-       	.byte  	$10    	;  28/1c ___crsr_up__
-       	.byte  	$10    	;  29/1d ___crsr_dn__
-       	.byte  	$10    	;  30/1e ___crsr_lf__
-       	.byte  	$10    	;  31/1f ___crsr_rg__
-       	.byte  	$A0	;  32/20 ___SPACE___
-	.byte	$00	;  33/21 _____!_____
-	.byte	$00	;  34/22 _____"_____
-	.byte	$00	;  35/23 _____#_____
-	.byte	$00	;  36/24 _____$_____
-	.byte	$00	;  37/25 _____%_____
-	.byte	$00	;  38/26 _____&_____
-	.byte	$00	;  39/27 _____'_____
-	.byte	$00	;  40/28 _____(_____
-	.byte	$00	;  41/29 _____)_____
-	.byte	$00	;  42/2a _____*_____
-	.byte	$00	;  43/2b _____+_____
-	.byte	$00	;  44/2c _____,_____
-   	.byte	$00	;  45/2d _____-_____
-	.byte	$00	;  46/2e _____._____
-	.byte	$00	;  47/2f _____/_____
-	.byte	$0C	;  48/30 _____0_____
-	.byte	$0C	;  49/31 _____1_____
-	.byte	$0C	;  50/32 _____2_____
-	.byte	$0C	;  51/33 _____3_____
-	.byte	$0C	;  52/34 _____4_____
-	.byte	$0C	;  53/35 _____5_____
-	.byte	$0C	;  54/36 _____6_____
-	.byte	$0C	;  55/37 _____7_____
-	.byte	$0C	;  56/38 _____8_____
-	.byte	$0C	;  57/39 _____9_____
-	.byte	$00	;  58/3a _____:_____
-	.byte	$00	;  59/3b _____;_____
-	.byte	$00	;  60/3c _____<_____
-	.byte	$00	;  61/3d _____=_____
-	.byte	$00	;  62/3e _____>_____
-	.byte	$00	;  63/3f _____?_____
+        .byte   $00     ;   0/00 ___heart____
+        .byte   $00     ;   1/01 ___l_tee____
+        .byte   $00     ;   2/02 ___ctrl_B___
+        .byte   $00     ;   3/03 ___ctrl_C___
+        .byte   $00     ;   4/04 ___r_tee____
+        .byte   $00     ;   5/05 ___ctrl_E___
+        .byte   $00     ;   6/06 ___ctrl_F___
+        .byte   $00     ;   7/07 ___ctrl_G___
+        .byte   $00     ;   8/08 ___ctrl_H___
+        .byte   $00     ;   9/09 ___ctrl_I___
+        .byte   $00     ;  10/0a ___ctrl_J___
+        .byte   $00     ;  11/0b ___ctrl_K___
+        .byte   $00     ;  12/0c ___ctrl_L___
+        .byte   $00     ;  13/0d ___ctrl_M___
+        .byte   $00     ;  14/0e ___ctrl_N___
+        .byte   $00     ;  15/0f ___ctrl_O___
+        .byte   $00     ;  16/10 ____club____
+        .byte   $00     ;  17/11 ___ctrl_Q___
+        .byte   $00     ;  18/12 ___h_line___
+        .byte   $00     ;  19/13 ___ctrl_S___
+        .byte   $00     ;  20/14 ____ball____
+        .byte   $00     ;  21/15 ___ctrl_U___
+        .byte   $00     ;  22/16 ___ctrl_V___
+        .byte   $00     ;  23/17 ___t_tee____
+        .byte   $00     ;  24/18 ___b_tee____
+        .byte   $00     ;  25/19 ___ctrl_Y___
+        .byte   $00     ;  26/1a ___ctrl_Z___
+        .byte   $10     ;  27/1b ____ESC_____
+        .byte   $10     ;  28/1c ___crsr_up__
+        .byte   $10     ;  29/1d ___crsr_dn__
+        .byte   $10     ;  30/1e ___crsr_lf__
+        .byte   $10     ;  31/1f ___crsr_rg__
+        .byte   $A0     ;  32/20 ___SPACE___
+        .byte   $00     ;  33/21 _____!_____
+        .byte   $00     ;  34/22 _____"_____
+        .byte   $00     ;  35/23 _____#_____
+        .byte   $00     ;  36/24 _____$_____
+        .byte   $00     ;  37/25 _____%_____
+        .byte   $00     ;  38/26 _____&_____
+        .byte   $00     ;  39/27 _____'_____
+        .byte   $00     ;  40/28 _____(_____
+        .byte   $00     ;  41/29 _____)_____
+        .byte   $00     ;  42/2a _____*_____
+        .byte   $00     ;  43/2b _____+_____
+        .byte   $00     ;  44/2c _____,_____
+        .byte   $00     ;  45/2d _____-_____
+        .byte   $00     ;  46/2e _____._____
+        .byte   $00     ;  47/2f _____/_____
+        .byte   $0C     ;  48/30 _____0_____
+        .byte   $0C     ;  49/31 _____1_____
+        .byte   $0C     ;  50/32 _____2_____
+        .byte   $0C     ;  51/33 _____3_____
+        .byte   $0C     ;  52/34 _____4_____
+        .byte   $0C     ;  53/35 _____5_____
+        .byte   $0C     ;  54/36 _____6_____
+        .byte   $0C     ;  55/37 _____7_____
+        .byte   $0C     ;  56/38 _____8_____
+        .byte   $0C     ;  57/39 _____9_____
+        .byte   $00     ;  58/3a _____:_____
+        .byte   $00     ;  59/3b _____;_____
+        .byte   $00     ;  60/3c _____<_____
+        .byte   $00     ;  61/3d _____=_____
+        .byte   $00     ;  62/3e _____>_____
+        .byte   $00     ;  63/3f _____?_____
 
-	.byte	$00	;  64/40 _____@_____
-       	.byte  	$0A	;  65/41 _____A_____
-       	.byte  	$0A	;  66/42 _____B_____
-       	.byte  	$0A	;  67/43 _____C_____
-       	.byte  	$0A	;  68/44 _____D_____
-       	.byte  	$0A	;  69/45 _____E_____
-       	.byte  	$0A	;  70/46 _____F_____
-       	.byte  	$02	;  71/47 _____G_____
-       	.byte  	$02	;  72/48 _____H_____
-       	.byte  	$02	;  73/49 _____I_____
-       	.byte  	$02	;  74/4a _____J_____
-       	.byte  	$02	;  75/4b _____K_____
-       	.byte  	$02	;  76/4c _____L_____
-       	.byte  	$02    	;  77/4d _____M_____
-       	.byte  	$02	;  78/4e _____N_____
-       	.byte  	$02	;  79/4f _____O_____
-       	.byte  	$02	;  80/50 _____P_____
-       	.byte  	$02	;  81/51 _____Q_____
-       	.byte  	$02	;  82/52 _____R_____
-       	.byte  	$02	;  83/53 _____S_____
-       	.byte  	$02	;  84/54 _____T_____
-       	.byte  	$02	;  85/55 _____U_____
-       	.byte  	$02	;  86/56 _____V_____
-       	.byte  	$02	;  87/57 _____W_____
-       	.byte  	$02	;  88/58 _____X_____
-       	.byte  	$02	;  89/59 _____Y_____
-       	.byte  	$02	;  90/5a _____Z_____
-	.byte	$00	;  91/5b _____[_____
-	.byte	$00	;  92/5c _____\_____
-	.byte	$00	;  93/5d _____]_____
-	.byte	$00	;  94/5e _____^_____
-	.byte	$00	;  95/5f _UNDERLINE_
-	.byte	$00	;  96/60 __diamond__
-       	.byte  	$09    	;  97/61 _____a_____
-       	.byte  	$09    	;  98/62 _____b_____
-       	.byte  	$09    	;  99/63 _____c_____
-       	.byte  	$09    	; 100/64 _____d_____
-       	.byte  	$09    	; 101/65 _____e_____
-       	.byte  	$09    	; 102/66 _____f_____
-       	.byte  	$01    	; 103/67 _____g_____
-       	.byte  	$01    	; 104/68 _____h_____
-       	.byte  	$01    	; 105/69 _____i_____
-       	.byte  	$01    	; 106/6a _____j_____
-       	.byte  	$01    	; 107/6b _____k_____
-       	.byte  	$01    	; 108/6c _____l_____
-       	.byte  	$01    	; 109/6d _____m_____
-       	.byte  	$01    	; 110/6e _____n_____
-       	.byte  	$01    	; 111/6f _____o_____
-       	.byte  	$01    	; 112/70 _____p_____
-       	.byte  	$01    	; 113/71 _____q_____
-       	.byte  	$01    	; 114/72 _____r_____
-       	.byte  	$01    	; 115/73 _____s_____
-       	.byte  	$01    	; 116/74 _____t_____
-       	.byte  	$01    	; 117/75 _____u_____
-       	.byte  	$01    	; 118/76 _____v_____
-       	.byte  	$01    	; 119/77 _____w_____
-       	.byte  	$01    	; 120/78 _____x_____
-       	.byte  	$01    	; 121/79 _____y_____
-       	.byte  	$01    	; 122/7a _____z_____
-       	.byte  	$00    	; 123/7b ___spade___
-       	.byte  	$00    	; 124/7c __v_line___
-       	.byte  	$10    	; 125/7d __CLRSCR___
-       	.byte  	$D0    	; 126/7e __backtab__
-       	.byte  	$D0    	; 127/7f ____tab____
+        .byte   $00     ;  64/40 _____@_____
+        .byte   $0A     ;  65/41 _____A_____
+        .byte   $0A     ;  66/42 _____B_____
+        .byte   $0A     ;  67/43 _____C_____
+        .byte   $0A     ;  68/44 _____D_____
+        .byte   $0A     ;  69/45 _____E_____
+        .byte   $0A     ;  70/46 _____F_____
+        .byte   $02     ;  71/47 _____G_____
+        .byte   $02     ;  72/48 _____H_____
+        .byte   $02     ;  73/49 _____I_____
+        .byte   $02     ;  74/4a _____J_____
+        .byte   $02     ;  75/4b _____K_____
+        .byte   $02     ;  76/4c _____L_____
+        .byte   $02     ;  77/4d _____M_____
+        .byte   $02     ;  78/4e _____N_____
+        .byte   $02     ;  79/4f _____O_____
+        .byte   $02     ;  80/50 _____P_____
+        .byte   $02     ;  81/51 _____Q_____
+        .byte   $02     ;  82/52 _____R_____
+        .byte   $02     ;  83/53 _____S_____
+        .byte   $02     ;  84/54 _____T_____
+        .byte   $02     ;  85/55 _____U_____
+        .byte   $02     ;  86/56 _____V_____
+        .byte   $02     ;  87/57 _____W_____
+        .byte   $02     ;  88/58 _____X_____
+        .byte   $02     ;  89/59 _____Y_____
+        .byte   $02     ;  90/5a _____Z_____
+        .byte   $00     ;  91/5b _____[_____
+        .byte   $00     ;  92/5c _____\_____
+        .byte   $00     ;  93/5d _____]_____
+        .byte   $00     ;  94/5e _____^_____
+        .byte   $00     ;  95/5f _UNDERLINE_
+        .byte   $00     ;  96/60 __diamond__
+        .byte   $09     ;  97/61 _____a_____
+        .byte   $09     ;  98/62 _____b_____
+        .byte   $09     ;  99/63 _____c_____
+        .byte   $09     ; 100/64 _____d_____
+        .byte   $09     ; 101/65 _____e_____
+        .byte   $09     ; 102/66 _____f_____
+        .byte   $01     ; 103/67 _____g_____
+        .byte   $01     ; 104/68 _____h_____
+        .byte   $01     ; 105/69 _____i_____
+        .byte   $01     ; 106/6a _____j_____
+        .byte   $01     ; 107/6b _____k_____
+        .byte   $01     ; 108/6c _____l_____
+        .byte   $01     ; 109/6d _____m_____
+        .byte   $01     ; 110/6e _____n_____
+        .byte   $01     ; 111/6f _____o_____
+        .byte   $01     ; 112/70 _____p_____
+        .byte   $01     ; 113/71 _____q_____
+        .byte   $01     ; 114/72 _____r_____
+        .byte   $01     ; 115/73 _____s_____
+        .byte   $01     ; 116/74 _____t_____
+        .byte   $01     ; 117/75 _____u_____
+        .byte   $01     ; 118/76 _____v_____
+        .byte   $01     ; 119/77 _____w_____
+        .byte   $01     ; 120/78 _____x_____
+        .byte   $01     ; 121/79 _____y_____
+        .byte   $01     ; 122/7a _____z_____
+        .byte   $00     ; 123/7b ___spade___
+        .byte   $00     ; 124/7c __v_line___
+        .byte   $10     ; 125/7d __CLRSCR___
+        .byte   $D0     ; 126/7e __backtab__
+        .byte   $D0     ; 127/7f ____tab____
 
-       	.byte  	$00    	; 128/80 _inv_heart___
-       	.byte  	$00    	; 129/81 _inv_l_tee___
-       	.byte  	$00    	; 130/82 _inv_ctrl_B__
-       	.byte  	$00    	; 131/83 _inv_ctrl_C__
-       	.byte  	$00    	; 132/84 _inv_r_tee___
-       	.byte  	$00    	; 133/85 _inv_ctrl_E__
-       	.byte  	$00    	; 134/86 _inv_ctrl_F__
-       	.byte  	$00    	; 135/87 _inv_ctrl_G__
-       	.byte  	$00    	; 136/88 _inv_ctrl_H__
-       	.byte  	$00    	; 137/89 _inv_ctrl_I__
-       	.byte  	$00    	; 138/8a _inv_ctrl_J__
-       	.byte  	$00    	; 139/8b _inv_ctrl_K__
-       	.byte  	$00    	; 140/8c _inv_ctrl_L__
-       	.byte  	$00    	; 141/8d _inv_ctrl_M__
-       	.byte  	$00    	; 142/8e _inv_ctrl_N__
-       	.byte  	$00    	; 143/8f _inv_ctrl_O__
-       	.byte  	$00    	; 144/90 __inv__club__
-       	.byte  	$00    	; 145/91 _inv_ctrl_Q__
-       	.byte  	$00    	; 146/92 _inv_h_line__
-       	.byte  	$00    	; 147/93 _inv_ctrl_S__
-       	.byte  	$00    	; 148/94 __inv__ball__
-       	.byte  	$00    	; 149/95 _inv_ctrl_U__
-       	.byte  	$00    	; 150/96 _inv_ctrl_V__
-       	.byte  	$00    	; 151/97 __inv_t_tee__
-       	.byte  	$00    	; 152/98 __inv_b_tee__
-       	.byte  	$00    	; 153/99 _inv_ctrl_Y__
-       	.byte  	$00    	; 154/9a _inv_ctrl_Z__
-       	.byte  	$50    	; 155/9b _____EOL_____
-       	.byte  	$10    	; 156/9c ___CLRLINE___
-       	.byte  	$10    	; 157/9d ___INSLINE___
-       	.byte  	$10    	; 158/9e ____CLRTAB___
-       	.byte  	$10    	; 159/9f ____INSTAB___
-       	.byte  	$A0	; 160/a0 __inv_SPACE__
-	.byte	$00	; 161/a1 ___inv_!_____
-	.byte	$00	; 162/a2 ___inv_"_____
-	.byte	$00	; 163/a3 ___inv_#_____
-	.byte	$00	; 164/a4 ___inv_$_____
-	.byte	$00	; 165/a5 ___inv_%_____
-	.byte	$00	; 166/a6 ___inv_&_____
-	.byte	$00	; 167/a7 ___inv_'_____
-	.byte	$00	; 168/a8 ___inv_(_____
-	.byte	$00	; 169/a9 ___inv_)_____
-	.byte	$00	; 170/aa ___inv_*_____
-	.byte	$00	; 171/ab ___inv_+_____
-	.byte	$00	; 172/ac ___inv_,_____
-   	.byte	$00	; 173/ad ___inv_-_____
-	.byte	$00	; 174/ae ___inv_._____
-	.byte	$00	; 175/af ___inv_/_____
-	.byte	$0C	; 176/b0 ___inv_0_____
-	.byte	$0C	; 177/b1 ___inv_1_____
-	.byte	$0C	; 178/b2 ___inv_2_____
-	.byte	$0C	; 179/b3 ___inv_3_____
-	.byte	$0C	; 180/b4 ___inv_4_____
-	.byte	$0C	; 181/b5 ___inv_5_____
-	.byte	$0C	; 182/b6 ___inv_6_____
-	.byte	$0C	; 183/b7 ___inv_7_____
-	.byte	$0C	; 184/b8 ___inv_8_____
-	.byte	$0C	; 185/b9 ___inv_9_____
-	.byte	$00	; 186/ba ___inv_:_____
-	.byte	$00	; 187/bb ___inv_;_____
-	.byte	$00	; 188/bc ___inv_<_____
-	.byte	$00	; 189/bd ___inv_=_____
-	.byte	$00	; 190/be ___inv_>_____
-	.byte	$00	; 191/bf ___inv_?_____
+        .byte   $00     ; 128/80 _inv_heart___
+        .byte   $00     ; 129/81 _inv_l_tee___
+        .byte   $00     ; 130/82 _inv_ctrl_B__
+        .byte   $00     ; 131/83 _inv_ctrl_C__
+        .byte   $00     ; 132/84 _inv_r_tee___
+        .byte   $00     ; 133/85 _inv_ctrl_E__
+        .byte   $00     ; 134/86 _inv_ctrl_F__
+        .byte   $00     ; 135/87 _inv_ctrl_G__
+        .byte   $00     ; 136/88 _inv_ctrl_H__
+        .byte   $00     ; 137/89 _inv_ctrl_I__
+        .byte   $00     ; 138/8a _inv_ctrl_J__
+        .byte   $00     ; 139/8b _inv_ctrl_K__
+        .byte   $00     ; 140/8c _inv_ctrl_L__
+        .byte   $00     ; 141/8d _inv_ctrl_M__
+        .byte   $00     ; 142/8e _inv_ctrl_N__
+        .byte   $00     ; 143/8f _inv_ctrl_O__
+        .byte   $00     ; 144/90 __inv__club__
+        .byte   $00     ; 145/91 _inv_ctrl_Q__
+        .byte   $00     ; 146/92 _inv_h_line__
+        .byte   $00     ; 147/93 _inv_ctrl_S__
+        .byte   $00     ; 148/94 __inv__ball__
+        .byte   $00     ; 149/95 _inv_ctrl_U__
+        .byte   $00     ; 150/96 _inv_ctrl_V__
+        .byte   $00     ; 151/97 __inv_t_tee__
+        .byte   $00     ; 152/98 __inv_b_tee__
+        .byte   $00     ; 153/99 _inv_ctrl_Y__
+        .byte   $00     ; 154/9a _inv_ctrl_Z__
+        .byte   $50     ; 155/9b _____EOL_____
+        .byte   $10     ; 156/9c ___CLRLINE___
+        .byte   $10     ; 157/9d ___INSLINE___
+        .byte   $10     ; 158/9e ____CLRTAB___
+        .byte   $10     ; 159/9f ____INSTAB___
+        .byte   $A0     ; 160/a0 __inv_SPACE__
+        .byte   $00     ; 161/a1 ___inv_!_____
+        .byte   $00     ; 162/a2 ___inv_"_____
+        .byte   $00     ; 163/a3 ___inv_#_____
+        .byte   $00     ; 164/a4 ___inv_$_____
+        .byte   $00     ; 165/a5 ___inv_%_____
+        .byte   $00     ; 166/a6 ___inv_&_____
+        .byte   $00     ; 167/a7 ___inv_'_____
+        .byte   $00     ; 168/a8 ___inv_(_____
+        .byte   $00     ; 169/a9 ___inv_)_____
+        .byte   $00     ; 170/aa ___inv_*_____
+        .byte   $00     ; 171/ab ___inv_+_____
+        .byte   $00     ; 172/ac ___inv_,_____
+        .byte   $00     ; 173/ad ___inv_-_____
+        .byte   $00     ; 174/ae ___inv_._____
+        .byte   $00     ; 175/af ___inv_/_____
+        .byte   $0C     ; 176/b0 ___inv_0_____
+        .byte   $0C     ; 177/b1 ___inv_1_____
+        .byte   $0C     ; 178/b2 ___inv_2_____
+        .byte   $0C     ; 179/b3 ___inv_3_____
+        .byte   $0C     ; 180/b4 ___inv_4_____
+        .byte   $0C     ; 181/b5 ___inv_5_____
+        .byte   $0C     ; 182/b6 ___inv_6_____
+        .byte   $0C     ; 183/b7 ___inv_7_____
+        .byte   $0C     ; 184/b8 ___inv_8_____
+        .byte   $0C     ; 185/b9 ___inv_9_____
+        .byte   $00     ; 186/ba ___inv_:_____
+        .byte   $00     ; 187/bb ___inv_;_____
+        .byte   $00     ; 188/bc ___inv_<_____
+        .byte   $00     ; 189/bd ___inv_=_____
+        .byte   $00     ; 190/be ___inv_>_____
+        .byte   $00     ; 191/bf ___inv_?_____
 
-	.byte	$00	; 192/c0 ___inv_@_____
-       	.byte  	$0A	; 193/c1 ___inv_A_____
-       	.byte  	$0A	; 194/c2 ___inv_B_____
-       	.byte  	$0A	; 195/c3 ___inv_C_____
-       	.byte  	$0A	; 196/c4 ___inv_D_____
-       	.byte  	$0A	; 197/c5 ___inv_E_____
-       	.byte  	$0A	; 198/c6 ___inv_F_____
-       	.byte  	$02	; 199/c7 ___inv_G_____
-       	.byte  	$02	; 200/c8 ___inv_H_____
-       	.byte  	$02	; 201/c9 ___inv_I_____
-       	.byte  	$02	; 202/ca ___inv_J_____
-       	.byte  	$02	; 203/cb ___inv_K_____
-       	.byte  	$02	; 204/cc ___inv_L_____
-       	.byte  	$02    	; 205/cd ___inv_M_____
-       	.byte  	$02	; 206/ce ___inv_N_____
-       	.byte  	$02	; 207/cf ___inv_O_____
-       	.byte  	$02	; 208/d0 ___inv_P_____
-       	.byte  	$02	; 209/d1 ___inv_Q_____
-       	.byte  	$02	; 210/d2 ___inv_R_____
-       	.byte  	$02	; 211/d3 ___inv_S_____
-       	.byte  	$02	; 212/d4 ___inv_T_____
-       	.byte  	$02	; 213/d5 ___inv_U_____
-       	.byte  	$02	; 214/d6 ___inv_V_____
-       	.byte  	$02	; 215/d7 ___inv_W_____
-       	.byte  	$02	; 216/d8 ___inv_X_____
-       	.byte  	$02	; 217/d9 ___inv_Y_____
-       	.byte  	$02	; 218/da ___inv_Z_____
-	.byte	$00	; 219/db ___inv_[_____
-	.byte	$00	; 220/dc ___inv_\_____
-	.byte	$00	; 221/dd ___inv_]_____
-	.byte	$00	; 222/de ___inv_^_____
-	.byte	$00	; 223/df _inv_UNDRLIN_
-	.byte	$00	; 224/e0 _inv_diamond_
-       	.byte  	$09    	; 225/e1 ___inv_a_____
-       	.byte  	$09    	; 226/e2 ___inv_b_____
-       	.byte  	$09    	; 227/e3 ___inv_c_____
-       	.byte  	$09    	; 228/e4 ___inv_d_____
-       	.byte  	$09    	; 229/e5 ___inv_e_____
-       	.byte  	$09    	; 230/e6 ___inv_f_____
-       	.byte  	$01    	; 231/e7 ___inv_g_____
-       	.byte  	$01    	; 232/e8 ___inv_h_____
-       	.byte  	$01    	; 233/e9 ___inv_i_____
-       	.byte  	$01    	; 234/ea ___inv_j_____
-       	.byte  	$01    	; 235/eb ___inv_k_____
-       	.byte  	$01    	; 236/ec ___inv_l_____
-       	.byte  	$01    	; 237/ed ___inv_m_____
-       	.byte  	$01    	; 238/ee ___inv_n_____
-       	.byte  	$01    	; 239/ef ___inv_o_____
-       	.byte  	$01    	; 240/f0 ___inv_p_____
-       	.byte  	$01    	; 241/f1 ___inv_q_____
-       	.byte  	$01    	; 242/f2 ___inv_r_____
-       	.byte  	$01    	; 243/f3 ___inv_s_____
-       	.byte  	$01    	; 244/f4 ___inv_t_____
-       	.byte  	$01    	; 245/f5 ___inv_u_____
-       	.byte  	$01    	; 246/f6 ___inv_v_____
-       	.byte  	$01    	; 247/f7 ___inv_w_____
-       	.byte  	$01    	; 248/f8 ___inv_x_____
-       	.byte  	$01    	; 249/f9 ___inv_y_____
-       	.byte  	$01    	; 250/fa ___inv_z_____
-       	.byte  	$00    	; 251/fb __inv_spade__
-       	.byte  	$00    	; 252/fc __inv_v_line_
-       	.byte  	$10    	; 253/fd ____BEEP_____
-       	.byte  	$10    	; 254/fe ____DELBS____
-       	.byte  	$10    	; 255/ff ___INSERT____
+        .byte   $00     ; 192/c0 ___inv_@_____
+        .byte   $0A     ; 193/c1 ___inv_A_____
+        .byte   $0A     ; 194/c2 ___inv_B_____
+        .byte   $0A     ; 195/c3 ___inv_C_____
+        .byte   $0A     ; 196/c4 ___inv_D_____
+        .byte   $0A     ; 197/c5 ___inv_E_____
+        .byte   $0A     ; 198/c6 ___inv_F_____
+        .byte   $02     ; 199/c7 ___inv_G_____
+        .byte   $02     ; 200/c8 ___inv_H_____
+        .byte   $02     ; 201/c9 ___inv_I_____
+        .byte   $02     ; 202/ca ___inv_J_____
+        .byte   $02     ; 203/cb ___inv_K_____
+        .byte   $02     ; 204/cc ___inv_L_____
+        .byte   $02     ; 205/cd ___inv_M_____
+        .byte   $02     ; 206/ce ___inv_N_____
+        .byte   $02     ; 207/cf ___inv_O_____
+        .byte   $02     ; 208/d0 ___inv_P_____
+        .byte   $02     ; 209/d1 ___inv_Q_____
+        .byte   $02     ; 210/d2 ___inv_R_____
+        .byte   $02     ; 211/d3 ___inv_S_____
+        .byte   $02     ; 212/d4 ___inv_T_____
+        .byte   $02     ; 213/d5 ___inv_U_____
+        .byte   $02     ; 214/d6 ___inv_V_____
+        .byte   $02     ; 215/d7 ___inv_W_____
+        .byte   $02     ; 216/d8 ___inv_X_____
+        .byte   $02     ; 217/d9 ___inv_Y_____
+        .byte   $02     ; 218/da ___inv_Z_____
+        .byte   $00     ; 219/db ___inv_[_____
+        .byte   $00     ; 220/dc ___inv_\_____
+        .byte   $00     ; 221/dd ___inv_]_____
+        .byte   $00     ; 222/de ___inv_^_____
+        .byte   $00     ; 223/df _inv_UNDRLIN_
+        .byte   $00     ; 224/e0 _inv_diamond_
+        .byte   $09     ; 225/e1 ___inv_a_____
+        .byte   $09     ; 226/e2 ___inv_b_____
+        .byte   $09     ; 227/e3 ___inv_c_____
+        .byte   $09     ; 228/e4 ___inv_d_____
+        .byte   $09     ; 229/e5 ___inv_e_____
+        .byte   $09     ; 230/e6 ___inv_f_____
+        .byte   $01     ; 231/e7 ___inv_g_____
+        .byte   $01     ; 232/e8 ___inv_h_____
+        .byte   $01     ; 233/e9 ___inv_i_____
+        .byte   $01     ; 234/ea ___inv_j_____
+        .byte   $01     ; 235/eb ___inv_k_____
+        .byte   $01     ; 236/ec ___inv_l_____
+        .byte   $01     ; 237/ed ___inv_m_____
+        .byte   $01     ; 238/ee ___inv_n_____
+        .byte   $01     ; 239/ef ___inv_o_____
+        .byte   $01     ; 240/f0 ___inv_p_____
+        .byte   $01     ; 241/f1 ___inv_q_____
+        .byte   $01     ; 242/f2 ___inv_r_____
+        .byte   $01     ; 243/f3 ___inv_s_____
+        .byte   $01     ; 244/f4 ___inv_t_____
+        .byte   $01     ; 245/f5 ___inv_u_____
+        .byte   $01     ; 246/f6 ___inv_v_____
+        .byte   $01     ; 247/f7 ___inv_w_____
+        .byte   $01     ; 248/f8 ___inv_x_____
+        .byte   $01     ; 249/f9 ___inv_y_____
+        .byte   $01     ; 250/fa ___inv_z_____
+        .byte   $00     ; 251/fb __inv_spade__
+        .byte   $00     ; 252/fc __inv_v_line_
+        .byte   $10     ; 253/fd ____BEEP_____
+        .byte   $10     ; 254/fe ____DELBS____
+        .byte   $10     ; 255/ff ___INSERT____
 
 
diff --git a/libsrc/atari/cvline.s b/libsrc/atari/cvline.s
index ca3795aca..608da23de 100644
--- a/libsrc/atari/cvline.s
+++ b/libsrc/atari/cvline.s
@@ -4,32 +4,32 @@
 ; void cvlinexy (unsigned char x, unsigned char y, unsigned char length);
 ; void cvline (unsigned char length);
 ;
-	.include "atari.inc"
-	
-    	.export		_cvlinexy, _cvline
-	.import		popa, _gotoxy, putchar, setcursor
-	.importzp	tmp1
+        .include "atari.inc"
+        
+        .export         _cvlinexy, _cvline
+        .import         popa, _gotoxy, putchar, setcursor
+        .importzp       tmp1
 
 _cvlinexy:
-       	pha	    		; Save the length
-	jsr	popa	        ; Get y
-       	jsr    	_gotoxy		; Call this one, will pop params
-   	pla			; Restore the length and run into _cvline
+        pha                     ; Save the length
+        jsr     popa            ; Get y
+        jsr     _gotoxy         ; Call this one, will pop params
+        pla                     ; Restore the length and run into _cvline
 
 _cvline:
-   	cmp	#0		; Is the length zero?
-   	beq	L9  		; Jump if done
-    	sta	tmp1
-L1:	lda	COLCRS
-	pha
-	lda	#$7C 		; Vertical bar
-   	jsr	putchar		; Write, no cursor advance
-   	pla
-   	sta	COLCRS
-   	inc	ROWCRS
-	dec	tmp1
-	bne	L1
-L9:	jmp	setcursor
+        cmp     #0              ; Is the length zero?
+        beq     L9              ; Jump if done
+        sta     tmp1
+L1:     lda     COLCRS
+        pha
+        lda     #$7C            ; Vertical bar
+        jsr     putchar         ; Write, no cursor advance
+        pla
+        sta     COLCRS
+        inc     ROWCRS
+        dec     tmp1
+        bne     L1
+L9:     jmp     setcursor
 
 
 
diff --git a/libsrc/atari/dio_cts.s b/libsrc/atari/dio_cts.s
index f76a06b8a..551b9c0f6 100644
--- a/libsrc/atari/dio_cts.s
+++ b/libsrc/atari/dio_cts.s
@@ -9,60 +9,60 @@
 ; sector number it got
 ;
 ; unsigned char __fastcall__ dio_phys_to_log(dhandle_t handle,
-;					     dio_phys_pos *physpos,	/* input */
-;					     unsigned *sectnum);	/* output */
+;                                            dio_phys_pos *physpos,     /* input */
+;                                            unsigned *sectnum);        /* output */
 ;
 ; dhandle_t - 16bit (ptr)
 ;
 
-	.export		_dio_phys_to_log
-	.import		popax,__oserror
-	.importzp	ptr1,ptr2,ptr3
-	.include	"atari.inc"
+        .export         _dio_phys_to_log
+        .import         popax,__oserror
+        .importzp       ptr1,ptr2,ptr3
+        .include        "atari.inc"
 
-.proc	_dio_phys_to_log
+.proc   _dio_phys_to_log
 
-	sta	ptr1
-	stx	ptr1+1		; pointer to result
+        sta     ptr1
+        stx     ptr1+1          ; pointer to result
 
-	jsr	popax
-	sta	ptr2
-	stx	ptr2+1		; pointer to input structure
+        jsr     popax
+        sta     ptr2
+        stx     ptr2+1          ; pointer to input structure
 
-	jsr	popax
-	sta	ptr3
-	stx	ptr3+1		; pointer to handle
+        jsr     popax
+        sta     ptr3
+        stx     ptr3+1          ; pointer to handle
 
-	ldy	#sst_flag
-	lda	(ptr3),y
-	and	#128
-	beq	_inv_hand	; handle not open or invalid
+        ldy     #sst_flag
+        lda     (ptr3),y
+        and     #128
+        beq     _inv_hand       ; handle not open or invalid
 
 ; ignore head and track and return the sector value
 
-	ldy	#diopp_sector
-	lda	(ptr2),y
-	tax
-	iny
-	lda	(ptr2),y
-	ldy	#1
-	sta	(ptr1),y
-	dey
-	txa
-	sta	(ptr1),y
+        ldy     #diopp_sector
+        lda     (ptr2),y
+        tax
+        iny
+        lda     (ptr2),y
+        ldy     #1
+        sta     (ptr1),y
+        dey
+        txa
+        sta     (ptr1),y
 
-	ldx	#0
-	txa
+        ldx     #0
+        txa
 ret:
-	sta	__oserror
-	rts			; return success
+        sta     __oserror
+        rts                     ; return success
 
 ; invalid handle
 
 _inv_hand:
-	ldx	#0
-	lda	#BADIOC
-	bne	ret
+        ldx     #0
+        lda     #BADIOC
+        bne     ret
 
 .endproc
 
diff --git a/libsrc/atari/dio_stc.s b/libsrc/atari/dio_stc.s
index 617989cbd..52b3af4a6 100644
--- a/libsrc/atari/dio_stc.s
+++ b/libsrc/atari/dio_stc.s
@@ -8,65 +8,65 @@
 ; cylinder and head 0 and as sector the sectnum it got
 ;
 ; unsigned char __fastcall__ dio_log_to_phys(dhandle_t handle,
-;					     unsigned *sectnum,		/* input */
-;					     dio_phys_pos *physpos);	/* output */
+;                                            unsigned *sectnum,         /* input */
+;                                            dio_phys_pos *physpos);    /* output */
 ;
 ; dhandle_t - 16bit (ptr)
 ;
 
-	.export		_dio_log_to_phys
-	.include	"atari.inc"
-	.importzp	ptr1,ptr2,ptr3
-	.import		popax,__oserror
+        .export         _dio_log_to_phys
+        .include        "atari.inc"
+        .importzp       ptr1,ptr2,ptr3
+        .import         popax,__oserror
 
-.proc	_dio_log_to_phys
+.proc   _dio_log_to_phys
 
-	sta	ptr2
-	stx	ptr2+1		; pointer to output structure
+        sta     ptr2
+        stx     ptr2+1          ; pointer to output structure
 
-	jsr	popax
-	sta	ptr1
-	stx	ptr1+1		; save pointer to input data
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1          ; save pointer to input data
 
-	jsr	popax
-	sta	ptr3
-	stx	ptr3+1		; pointer to handle
+        jsr     popax
+        sta     ptr3
+        stx     ptr3+1          ; pointer to handle
 
-	ldy	#sst_flag
-	lda	(ptr3),y
-	and	#128
-	beq	_inv_hand	; handle not open or invalid
+        ldy     #sst_flag
+        lda     (ptr3),y
+        and     #128
+        beq     _inv_hand       ; handle not open or invalid
 
-	lda	#0
-	tay
-	tax
-	sta	(ptr2),y	; head
-	iny
-	sta	(ptr2),y	; track (low)
-	iny
-	sta	(ptr2),y	; track (high)
-	iny
+        lda     #0
+        tay
+        tax
+        sta     (ptr2),y        ; head
+        iny
+        sta     (ptr2),y        ; track (low)
+        iny
+        sta     (ptr2),y        ; track (high)
+        iny
 
-	lda	(ptr1,x)
-	sta	(ptr2),y
-	iny
-	inc	ptr1
-	bne	_l1
-	inc	ptr1+1
-_l1:	lda	(ptr1,x)
-	sta	(ptr2),y
+        lda     (ptr1,x)
+        sta     (ptr2),y
+        iny
+        inc     ptr1
+        bne     _l1
+        inc     ptr1+1
+_l1:    lda     (ptr1,x)
+        sta     (ptr2),y
 
-	txa
+        txa
 ret:
-	sta	__oserror
-	rts			; return success
+        sta     __oserror
+        rts                     ; return success
 
 ; invalid handle
 
 _inv_hand:
-	ldx	#0
-	lda	#BADIOC
-	bne	ret
+        ldx     #0
+        lda     #BADIOC
+        bne     ret
 
 .endproc
 
diff --git a/libsrc/atari/diopncls.s b/libsrc/atari/diopncls.s
index f4c806076..2cdeba78b 100644
--- a/libsrc/atari/diopncls.s
+++ b/libsrc/atari/diopncls.s
@@ -8,156 +8,156 @@
 ; _dio_write functions. To query the sector size, the _dio_open
 ; accesses the disk drive.
 ;
-; dhandle_t	__fastcall__ dio_open  (unsigned char device);
+; dhandle_t     __fastcall__ dio_open  (unsigned char device);
 ; unsigned char __fastcall__ dio_close (dhandle_t handle);
 ;
 
-	.export		_dio_open, _dio_close
-	.export		sectsizetab
-	.import		__oserror, __sio_call, _dio_read
-	.import		pushax, addysp, subysp
-	.importzp	ptr2, sp
-	.include	"atari.inc"
+        .export         _dio_open, _dio_close
+        .export         sectsizetab
+        .import         __oserror, __sio_call, _dio_read
+        .import         pushax, addysp, subysp
+        .importzp       ptr2, sp
+        .include        "atari.inc"
 
 
 .bss
 
 sectsizetab:
-	.res	NUMDRVS * sst_size
+        .res    NUMDRVS * sst_size
 
 .code
 
 ; code for _dio_open
 
 _inv_drive:
-	lda	#NONDEV		; non-existent device
-	sta	__oserror
-	lda	#0
-	tax
-	rts			; return NULL
+        lda     #NONDEV         ; non-existent device
+        sta     __oserror
+        lda     #0
+        tax
+        rts                     ; return NULL
 
 _dio_open:
 
-	cmp	#NUMDRVS	; valid drive id?
-	bcs	_inv_drive
-	tay			; drive #
-	asl	a		; make index from drive id
-	asl	a
-	tax
-	lda	#128				; preset sectsize
-	sta	sectsizetab+sst_sectsize,x
-	sta	sectsizetab+sst_flag,x		; set flag that drive is "open"
-	lda	#0
-	sta	sectsizetab+sst_sectsize+1,x
-	sta	__oserror			; success
-	tya
-	sta	sectsizetab+sst_driveno,x
-	stx	ptr2
-	lda	#sectsizetab
-	adc	#0
-	tax
-	stx	ptr2+1		; ptr2: pointer to sectsizetab entry
+        cmp     #NUMDRVS        ; valid drive id?
+        bcs     _inv_drive
+        tay                     ; drive #
+        asl     a               ; make index from drive id
+        asl     a
+        tax
+        lda     #128                            ; preset sectsize
+        sta     sectsizetab+sst_sectsize,x
+        sta     sectsizetab+sst_flag,x          ; set flag that drive is "open"
+        lda     #0
+        sta     sectsizetab+sst_sectsize+1,x
+        sta     __oserror                       ; success
+        tya
+        sta     sectsizetab+sst_driveno,x
+        stx     ptr2
+        lda     #sectsizetab
+        adc     #0
+        tax
+        stx     ptr2+1          ; ptr2: pointer to sectsizetab entry
 
 ; query drive for current sector size
 ; procedure:
 ;   - read sector #4 (SIO command $54) to update drive status;
 ;     read length is 128 bytes, buffer is allocated on the stack,
-;	   sector data is ignored;
+;          sector data is ignored;
 ;     returned command status is ignored, we will get an error with
-;	   a DD disk anyway (read size 128 vs. sector size 256);
+;          a DD disk anyway (read size 128 vs. sector size 256);
 ;   - issue SIO command $53 (get status) to retrieve the sector size;
 ;     use the DVSTAT system area as return buffer;
 ;     if the command returns with an error, set sector size to 128
-;	   bytes;
+;          bytes;
 ;
 
-	ldy	#128
-	jsr	subysp		; allocate buffer on the stack
+        ldy     #128
+        jsr     subysp          ; allocate buffer on the stack
 
-	lda	sp
-	pha
-	lda	sp+1
-	pha			; save sp (buffer address) on processor stack
+        lda     sp
+        pha
+        lda     sp+1
+        pha                     ; save sp (buffer address) on processor stack
 
-	lda	ptr2
-	ldx	ptr2+1
-	jsr	pushax		; handle
+        lda     ptr2
+        ldx     ptr2+1
+        jsr     pushax          ; handle
 
-	ldx	#0
-	lda	#4
-	jsr	pushax		; sect_num
+        ldx     #0
+        lda     #4
+        jsr     pushax          ; sect_num
 
-	pla
-	tax
-	pla			; AX - buffer address
+        pla
+        tax
+        pla                     ; AX - buffer address
 
-				; sst_sectsize currently 128
-	jsr	_dio_read	; read sector to update status
+                                ; sst_sectsize currently 128
+        jsr     _dio_read       ; read sector to update status
 
-	ldy	#128
-	jsr	addysp		; discard stack buffer
+        ldy     #128
+        jsr     addysp          ; discard stack buffer
 
-	lda	ptr2
-	ldx	ptr2+1
-	jsr	pushax		; handle
+        lda     ptr2
+        ldx     ptr2+1
+        jsr     pushax          ; handle
 
-	ldx	#0
-	lda	#4
-	jsr	pushax		; dummy sector #, ignored by this SIO command,
-				; but set to circumvent the special 1-3 sector
-				; handling in __sio_call
+        ldx     #0
+        lda     #4
+        jsr     pushax          ; dummy sector #, ignored by this SIO command,
+                                ; but set to circumvent the special 1-3 sector
+                                ; handling in __sio_call
 
-	ldx	#>DVSTAT
-	lda	#DVSTAT
+        lda     #
+        ldy     #6              ; OS/A+ has a jmp here
+        cmp     (DOSVEC),y
+        beq     done
+        lda     #OSADOS
+        .byte   $2C             ; BIT 
 
-spdos:	lda	#SPARTADOS
-	.byte	$2C		; BIT 
+spdos:  lda     #SPARTADOS
+        .byte   $2C             ; BIT 
 
-mydos:	lda	#MYDOS
-	.byte	$2C		; BIT 
+mydos:  lda     #MYDOS
+        .byte   $2C             ; BIT 
 
-xdos:	lda	#XDOS
-	sta	__dos_type
-done:	rts
+xdos:   lda     #XDOS
+        sta     __dos_type
+done:   rts
 
 ; ------------------------------------------------------------------------
 ; Data
 
-	.bss
+        .bss
 
-__dos_type:	.res	1	; default to ATARIDOS
+__dos_type:     .res    1       ; default to ATARIDOS
diff --git a/libsrc/atari/emd/atr130xe.s b/libsrc/atari/emd/atr130xe.s
index 6951bd346..b3c31a205 100644
--- a/libsrc/atari/emd/atr130xe.s
+++ b/libsrc/atari/emd/atr130xe.s
@@ -24,13 +24,13 @@
 ; Ullrich von Bassewitz, 2002-12-02
 ;
 
-	.include        "zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include        "em-kernel.inc"
-	.include        "em-error.inc"
+        .include        "em-kernel.inc"
+        .include        "em-error.inc"
 
 
-	.macpack        generic
+        .macpack        generic
 
 
 ; ------------------------------------------------------------------------
@@ -40,19 +40,19 @@
 
 ; Driver signature
 
-	.byte   $65, $6d, $64           ; "emd"
-	.byte   EMD_API_VERSION         ; EM API version number
+        .byte   $65, $6d, $64           ; "emd"
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
-	.word   INSTALL
-	.word   DEINSTALL
-	.word   PAGECOUNT
-	.word   MAP
-	.word   USE
-	.word   COMMIT
-	.word   COPYFROM
-	.word   COPYTO
+        .word   INSTALL
+        .word   DEINSTALL
+        .word   PAGECOUNT
+        .word   MAP
+        .word   USE
+        .word   COMMIT
+        .word   COPYFROM
+        .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
@@ -69,50 +69,50 @@ PAGES   = 256                           ; 4 x 16k banks
 banks:          .byte $E3,$E7,$EB,$EF   ; 130XE banks for cpu banking
 
 stacktest:      sei
-		ldy banks
-		sty $D301
-		tax                     ; A is set by caller
-		inx
-		stx $4000               ; change $4000
-		ldy #$FF                ; STACK+13
-		sty $D301
-		cmp $4000               ; changed?
-		beq @1
-		sec                     ; error
-		bcs @2
+                ldy banks
+                sty $D301
+                tax                     ; A is set by caller
+                inx
+                stx $4000               ; change $4000
+                ldy #$FF                ; STACK+13
+                sty $D301
+                cmp $4000               ; changed?
+                beq @1
+                sec                     ; error
+                bcs @2
 @1:             clc
 @2:             sta $4000               ; restore
-		cli
-		rts
+                cli
+                rts
 stacktest_end: 
 
 stackcopy:      sei                     ; disable interrupts
 @1:             dex                     ; pre-decrement (full page x=0)
-		ldy #$FF                ; this will be replaced  STACK+3
-		sty $D301               ; set bank 
-		lda $FF00,x             ; address to copy from   STACK+8,+9
-		ldy #$FF                ; this will be replaced  STACK+11
-		sty $D301 
-		sta $FF00,x             ; address to copy to     STACK+16,+17
-		cpx #0 
-		bne @1
-		ldy #$FF                ; portb_save             STACK+23
-		sty $D301
-		cli                     ; enable interrupts
-		rts
+                ldy #$FF                ; this will be replaced  STACK+3
+                sty $D301               ; set bank 
+                lda $FF00,x             ; address to copy from   STACK+8,+9
+                ldy #$FF                ; this will be replaced  STACK+11
+                sty $D301 
+                sta $FF00,x             ; address to copy to     STACK+16,+17
+                cpx #0 
+                bne @1
+                ldy #$FF                ; portb_save             STACK+23
+                sty $D301
+                cli                     ; enable interrupts
+                rts
 stackcopy_end:
 
 stackcopy_byte: sei
-		ldy #$FF                ; STACK+2
-		sty $D301
-		lda $FFFF               ; STACK+7 +8
-		ldy #$FF                ; STACK+10
-		sty $D301
-		sta $FFFF               ; STACK+15 +16
-		ldy #$FF                ; STACK+18
-		sty $D301
-		cli
-		rts
+                ldy #$FF                ; STACK+2
+                sty $D301
+                lda $FFFF               ; STACK+7 +8
+                ldy #$FF                ; STACK+10
+                sty $D301
+                sta $FFFF               ; STACK+15 +16
+                ldy #$FF                ; STACK+18
+                sty $D301
+                cli
+                rts
 stackcopy_byte_end: 
 
 
@@ -127,44 +127,44 @@ portb_save:     .res    1               ; portb state
 .code
 
 install_transfer:
-		ldx #stackcopy_end - stackcopy - 1
+                ldx #stackcopy_end - stackcopy - 1
 @1:             lda stackcopy,x
-		sta STACK,x
-		dex
-		bpl @1
-		rts
+                sta STACK,x
+                dex
+                bpl @1
+                rts
 
 install_byte_transfer:
-		ldx #stackcopy_byte_end - stackcopy_byte - 1
+                ldx #stackcopy_byte_end - stackcopy_byte - 1
 @2:             lda stackcopy_byte,x
-		sta STACK,x
-		dex
-		bpl @2
-		rts
+                sta STACK,x
+                dex
+                bpl @2
+                rts
 
 install_test:
-		ldx #stacktest_end - stacktest - 1
+                ldx #stacktest_end - stacktest - 1
 @3:             lda stacktest,x
-		sta STACK,x
-		dex
-		bpl @3
-		rts
+                sta STACK,x
+                dex
+                bpl @3
+                rts
 
 setpage:
-		tax                             ; save page
-		and     #$C0                    ; mask out bank
-		clc
-		ror
-		ror                             ; divide by 64
-		ror                             ; 64 pages in each bank
-		ror
-		ror
-		ror
-		sta     curbank                 ; Remember the new bank
-		txa                             ; bring back page
-		and     #$3F                    ; mask out page
-		sta     curpage                 ; curpage in bank
-		rts
+                tax                             ; save page
+                and     #$C0                    ; mask out bank
+                clc
+                ror
+                ror                             ; divide by 64
+                ror                             ; 64 pages in each bank
+                ror
+                ror
+                ror
+                sta     curbank                 ; Remember the new bank
+                txa                             ; bring back page
+                and     #$3F                    ; mask out page
+                sta     curpage                 ; curpage in bank
+                rts
 
 
 ; ------------------------------------------------------------------------
@@ -175,20 +175,20 @@ setpage:
 ;
 
 INSTALL:
-	lda     $D301                   ; save state of portb
-	sta     portb_save
-	tay 
-
-	jsr     install_test            ; doesn't touch Y
-	sty     STACK+13
-
-	lda     $4000                   ; test for extended memory
-	jsr     STACK
-	bcs     @1 
-	lda     #EM_ERR_OK
-	rts
+        lda     $D301                   ; save state of portb
+        sta     portb_save
+        tay 
+
+        jsr     install_test            ; doesn't touch Y
+        sty     STACK+13
+
+        lda     $4000                   ; test for extended memory
+        jsr     STACK
+        bcs     @1 
+        lda     #EM_ERR_OK
+        rts
 @1:     lda     #EM_ERR_NO_DEVICE
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; DEINSTALL routine. Is called before the driver is removed from memory.
@@ -196,7 +196,7 @@ INSTALL:
 ;
 
 DEINSTALL:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -204,9 +204,9 @@ DEINSTALL:
 ;
 
 PAGECOUNT:
-	lda     #PAGES
-	rts
+        lda     #PAGES
+        rts
 
 ; ------------------------------------------------------------------------
 ; MAP: Map the page in a/x into memory and return a pointer to the page in
@@ -215,96 +215,96 @@ PAGECOUNT:
 ;
 
 MAP:    jsr setpage                     ; extract the bank/page
-	add     #>BANK                  ; $4000 + page  (carry is cleared)
-	sta     ptr1+1
-	;ldy     #$00
-	;sty     ptr1
+        add     #>BANK                  ; $4000 + page  (carry is cleared)
+        sta     ptr1+1
+        ;ldy     #$00
+        ;sty     ptr1
 
-	lda     #window
-	sta     ptr2+1
+        lda     #window
+        sta     ptr2+1
 
 ; Transfer one page
 
-	jsr     install_transfer        ; Transfer one page
+        jsr     install_transfer        ; Transfer one page
 
-	ldx     curbank
-	lda     banks,x
-	sta     STACK+3                 ; set bank to copy from
+        ldx     curbank
+        lda     banks,x
+        sta     STACK+3                 ; set bank to copy from
 ;        lda     ptr1
 ;        sta     STACK+8 
-	lda     ptr1+1
-	sta     STACK+9                 ; set copy from address
-	lda     portb_save
-	sta     STACK+11                ; set portb restore
-	sta     STACK+23                ; set final portb restore
-	lda     ptr2
-	sta     STACK+16
-	lda     ptr2+1
-	sta     STACK+17                ; set copy to address 
-
-	ldx     #0                      ; full page copy
-	jsr     STACK                   ; do the copy! 
+        lda     ptr1+1
+        sta     STACK+9                 ; set copy from address
+        lda     portb_save
+        sta     STACK+11                ; set portb restore
+        sta     STACK+23                ; set final portb restore
+        lda     ptr2
+        sta     STACK+16
+        lda     ptr2+1
+        sta     STACK+17                ; set copy to address 
+
+        ldx     #0                      ; full page copy
+        jsr     STACK                   ; do the copy! 
 
 ; Return the memory window
 
-	lda     #window                ; Return the window address
+        lda     #window                ; Return the window address
 
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; USE: Tell the driver that the window is now associated with a given page.
 
 USE:    ;sta     curpage                 ; Remember the page
-	jsr setpage                     ; extract bank/page
-	lda     #window                ; Return the window
-	rts
+        jsr setpage                     ; extract bank/page
+        lda     #window                ; Return the window
+        rts
 
 ; ------------------------------------------------------------------------
 ; COMMIT: Commit changes in the memory window to extended storage.
 
 COMMIT: lda     curpage                 ; Get the current page
-	cmp     #$FF
-	beq     commit_done             ; Jump if no page mapped
+        cmp     #$FF
+        beq     commit_done             ; Jump if no page mapped
 
-	clc
-	add     #>BANK
-	sta     ptr2+1
-	;ldy     #$00
-	;sty     ptr2
+        clc
+        add     #>BANK
+        sta     ptr2+1
+        ;ldy     #$00
+        ;sty     ptr2
 
-	lda     #window
-	sta     ptr1+1
+        lda     #window
+        sta     ptr1+1
 
 ; Transfer one page/all bytes
 
-	jsr     install_transfer        ; Transfer one page
-
-	lda     portb_save
-	sta     STACK+3                 ; set bank to copy from
-	sta     STACK+23                ; set final portb restore
-	lda     ptr1
-	sta     STACK+8 
-	lda     ptr1+1
-	sta     STACK+9                 ; set copy from address
-	ldx     curbank
-	lda     banks,x
-	sta     STACK+11                ; set bank to copy to
-	;lda     ptr2
-	;sta     STACK+16
-	lda     ptr2+1
-	sta     STACK+17                ; set copy to address 
-
-	ldx     #0                      ; full page copy
-	jsr     STACK                   ; do the copy! 
+        jsr     install_transfer        ; Transfer one page
+
+        lda     portb_save
+        sta     STACK+3                 ; set bank to copy from
+        sta     STACK+23                ; set final portb restore
+        lda     ptr1
+        sta     STACK+8 
+        lda     ptr1+1
+        sta     STACK+9                 ; set copy from address
+        ldx     curbank
+        lda     banks,x
+        sta     STACK+11                ; set bank to copy to
+        ;lda     ptr2
+        ;sta     STACK+16
+        lda     ptr2+1
+        sta     STACK+17                ; set copy to address 
+
+        ldx     #0                      ; full page copy
+        jsr     STACK                   ; do the copy! 
 
 commit_done:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -313,87 +313,87 @@ commit_done:
 ; The function must not return anything.
 ;
 COPYFROM:
-	sta     ptr3
-	stx     ptr3+1                  ; Save the passed em_copy pointer
-
-	jsr     install_byte_transfer   ; install the stack copy routine
-
-	ldy     #EM_COPY::OFFS
-	lda     (ptr3),y
-	sta     STACK+7                 ; offset goes into BANK low 
-
-	ldy     #EM_COPY::PAGE
-	lda     (ptr3),y
-	sta     tmp1                    ; save page for later
-	;add     #>BANK
-	;sta     STACK+8                 ; BANK + page goes into BANK high
-
-	ldy     #EM_COPY::BUF
-	lda     (ptr3),y
-	sta     STACK+15                ; buffer goes into dest low
-	iny
-	lda     (ptr3),y
-	sta     STACK+16                ; buffer goes into dest high
-
-	ldy     #EM_COPY::COUNT
-	lda     (ptr3),y                ; Get bytes in last page
-	sta     ptr4
-	iny
-	lda     (ptr3),y                ; Get number of pages
-	sta     ptr4+1
-
-	lda     tmp1                    ; extract bank/page
-	jsr     setpage                 ; sets curbank/curpage
-	lda     curpage
-	add     #>BANK                  ; add to BANK address
-	sta     STACK+8                 ; current page in bank
-	ldx     curbank
-	lda     banks,x 
-	sta     STACK+2                 ; set bank in stack 
-	lda     portb_save 
-	sta     STACK+10                ; set bank restore in stack
-	sta     STACK+18                ; set final restore too
+        sta     ptr3
+        stx     ptr3+1                  ; Save the passed em_copy pointer
+
+        jsr     install_byte_transfer   ; install the stack copy routine
+
+        ldy     #EM_COPY::OFFS
+        lda     (ptr3),y
+        sta     STACK+7                 ; offset goes into BANK low 
+
+        ldy     #EM_COPY::PAGE
+        lda     (ptr3),y
+        sta     tmp1                    ; save page for later
+        ;add     #>BANK
+        ;sta     STACK+8                 ; BANK + page goes into BANK high
+
+        ldy     #EM_COPY::BUF
+        lda     (ptr3),y
+        sta     STACK+15                ; buffer goes into dest low
+        iny
+        lda     (ptr3),y
+        sta     STACK+16                ; buffer goes into dest high
+
+        ldy     #EM_COPY::COUNT
+        lda     (ptr3),y                ; Get bytes in last page
+        sta     ptr4
+        iny
+        lda     (ptr3),y                ; Get number of pages
+        sta     ptr4+1
+
+        lda     tmp1                    ; extract bank/page
+        jsr     setpage                 ; sets curbank/curpage
+        lda     curpage
+        add     #>BANK                  ; add to BANK address
+        sta     STACK+8                 ; current page in bank
+        ldx     curbank
+        lda     banks,x 
+        sta     STACK+2                 ; set bank in stack 
+        lda     portb_save 
+        sta     STACK+10                ; set bank restore in stack
+        sta     STACK+18                ; set final restore too
 
 copyfrom_copy:
-	lda     ptr4                    ; check if count is zero
-	bne     @4
-	lda     ptr4+1
-	beq     done
+        lda     ptr4                    ; check if count is zero
+        bne     @4
+        lda     ptr4+1
+        beq     done
 
 @4:     jsr     STACK                   ; copy one byte
 
-	sec
-	lda     ptr4
-	sub     #1
-	sta     ptr4
-	bcs     @1
-	lda     ptr4+1
-	beq     @1
-	sub     #1
-	sta     ptr4+1
+        sec
+        lda     ptr4
+        sub     #1
+        sta     ptr4
+        bcs     @1
+        lda     ptr4+1
+        beq     @1
+        sub     #1
+        sta     ptr4+1
 
 @1:     inc     STACK+7                 ; increment address in BANK
-	bne     @2
-	inc     STACK+8
-	lda     STACK+8
-	cmp     #$80                    ; we stepped outside bank
-	bne     @2
-
-	inc     curbank                 ; get next bank
-	ldx     curbank
-	lda     banks,x
-	sta     STACK+2                 ; set new bank
-	lda     #$40                    ; set address back to $4000
-	sta     STACK+8
+        bne     @2
+        inc     STACK+8
+        lda     STACK+8
+        cmp     #$80                    ; we stepped outside bank
+        bne     @2
+
+        inc     curbank                 ; get next bank
+        ldx     curbank
+        lda     banks,x
+        sta     STACK+2                 ; set new bank
+        lda     #$40                    ; set address back to $4000
+        sta     STACK+8
 
 @2:     inc     STACK+15                ; increment buffer address
-	bne     @3
-	inc     STACK+16
+        bne     @3
+        inc     STACK+16
 
 @3:     jmp     copyfrom_copy           ; copy another byte 
 
 done:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -402,82 +402,82 @@ done:
 ;
 
 COPYTO:
-	sta     ptr3
-	stx     ptr3+1                  ; Save the passed em_copy pointer
-
-	jsr     install_byte_transfer   ; install the stack copy routine
-
-	ldy     #EM_COPY::OFFS
-	lda     (ptr3),y
-	sta     STACK+15                 ; offset goes into BANK low 
-
-	ldy     #EM_COPY::PAGE
-	lda     (ptr3),y
-	sta     tmp1                    ; save page for later
-	;add     #>BANK
-	;sta     STACK+16                ; BANK + page goes into BANK high
-
-	ldy     #EM_COPY::BUF
-	lda     (ptr3),y
-	sta     STACK+7                ; buffer goes into dest low
-	iny
-	lda     (ptr3),y
-	sta     STACK+8                ; buffer goes into dest high
-
-	ldy     #EM_COPY::COUNT
-	lda     (ptr3),y                ; Get bytes in last page
-	sta     ptr4
-	iny
-	lda     (ptr3),y                ; Get number of pages
-	sta     ptr4+1
-
-	lda     tmp1                    ; extract bank/page
-	jsr     setpage                 ; sets curbank/curpage
-	lda     curpage
-	add     #>BANK                  ; add to BANK address
-	sta     STACK+16                ; current page in bank
-	ldx     curbank
-	lda     banks,x 
-	sta     STACK+10                ; set bank in stack 
-	lda     portb_save 
-	sta     STACK+2                 ; set bank restore in stack
-	sta     STACK+18                ; set final restore too
+        sta     ptr3
+        stx     ptr3+1                  ; Save the passed em_copy pointer
+
+        jsr     install_byte_transfer   ; install the stack copy routine
+
+        ldy     #EM_COPY::OFFS
+        lda     (ptr3),y
+        sta     STACK+15                 ; offset goes into BANK low 
+
+        ldy     #EM_COPY::PAGE
+        lda     (ptr3),y
+        sta     tmp1                    ; save page for later
+        ;add     #>BANK
+        ;sta     STACK+16                ; BANK + page goes into BANK high
+
+        ldy     #EM_COPY::BUF
+        lda     (ptr3),y
+        sta     STACK+7                ; buffer goes into dest low
+        iny
+        lda     (ptr3),y
+        sta     STACK+8                ; buffer goes into dest high
+
+        ldy     #EM_COPY::COUNT
+        lda     (ptr3),y                ; Get bytes in last page
+        sta     ptr4
+        iny
+        lda     (ptr3),y                ; Get number of pages
+        sta     ptr4+1
+
+        lda     tmp1                    ; extract bank/page
+        jsr     setpage                 ; sets curbank/curpage
+        lda     curpage
+        add     #>BANK                  ; add to BANK address
+        sta     STACK+16                ; current page in bank
+        ldx     curbank
+        lda     banks,x 
+        sta     STACK+10                ; set bank in stack 
+        lda     portb_save 
+        sta     STACK+2                 ; set bank restore in stack
+        sta     STACK+18                ; set final restore too
 
 copyto_copy:
-	lda     ptr4                    ; check if count is zero
-	bne     @4
-	lda     ptr4+1
-	beq     done
+        lda     ptr4                    ; check if count is zero
+        bne     @4
+        lda     ptr4+1
+        beq     done
 
 @4:     jsr     STACK                   ; copy one byte
 
-	sec
-	lda     ptr4
-	sub     #1
-	sta     ptr4
-	bcs     @1
-	lda     ptr4+1
-	beq     @1
-	sub     #1
-	sta     ptr4+1
+        sec
+        lda     ptr4
+        sub     #1
+        sta     ptr4
+        bcs     @1
+        lda     ptr4+1
+        beq     @1
+        sub     #1
+        sta     ptr4+1
 
 @1:     inc     STACK+15               ; increment address in BANK
-	bne     @2
-	inc     STACK+16
-	lda     STACK+16
-	cmp     #$80                    ; we stepped outside bank
-	bne     @2
-
-	inc     curbank                 ; get next bank
-	ldx     curbank
-	lda     banks,x
-	sta     STACK+10                ; set new bank
-	lda     #$40                    ; set address back to $4000
-	sta     STACK+16
+        bne     @2
+        inc     STACK+16
+        lda     STACK+16
+        cmp     #$80                    ; we stepped outside bank
+        bne     @2
+
+        inc     curbank                 ; get next bank
+        ldx     curbank
+        lda     banks,x
+        sta     STACK+10                ; set new bank
+        lda     #$40                    ; set address back to $4000
+        sta     STACK+16
 
 @2:     inc     STACK+7                ; increment buffer address
-	bne     @3
-	inc     STACK+8
+        bne     @3
+        inc     STACK+8
 
 @3:     jmp     copyto_copy           ; copy another byte 
 
diff --git a/libsrc/atari/fd.inc b/libsrc/atari/fd.inc
index 31175b3ca..aefc802c5 100644
--- a/libsrc/atari/fd.inc
+++ b/libsrc/atari/fd.inc
@@ -4,18 +4,18 @@
 ; offsets and defines for fdtable (internal use only)
 ;
 
-MAX_FD_INDEX	=	12	; max. # of open fds
-MAX_FD_VAL	=	8	; we have 8 IOCBs
+MAX_FD_INDEX    =       12      ; max. # of open fds
+MAX_FD_VAL      =       8       ; we have 8 IOCBs
 
-ft_entrylen = 4	; length of table entry (it's not sufficient to change here!
-		; the code sometimes does two bit shifts to multiply/divide by
-		; this length)
+ft_entrylen = 4 ; length of table entry (it's not sufficient to change here!
+                ; the code sometimes does two bit shifts to multiply/divide by
+                ; this length)
 
-ft_usa  = 0	; usage counter
-ft_iocb	= 1	; iocb index (0,$10,$20,etc.), $ff for empty entry
-ft_dev  = 2	; device of open iocb (0 - device not remembered, eg. filename specified)
-ft_flag = 3	; flags
-		; lower 3 bits: device number (for R: and D:)
-		; bit 3 - seeking supported by DOS/disk combination
-		; bit 4 - indicates a fd opened by the program as apposed to the
-		;	  inherited ones from program start (fd 0 to fd 2)
+ft_usa  = 0     ; usage counter
+ft_iocb = 1     ; iocb index (0,$10,$20,etc.), $ff for empty entry
+ft_dev  = 2     ; device of open iocb (0 - device not remembered, eg. filename specified)
+ft_flag = 3     ; flags
+                ; lower 3 bits: device number (for R: and D:)
+                ; bit 3 - seeking supported by DOS/disk combination
+                ; bit 4 - indicates a fd opened by the program as apposed to the
+                ;         inherited ones from program start (fd 0 to fd 2)
diff --git a/libsrc/atari/fdtab.s b/libsrc/atari/fdtab.s
index 57598b600..0c90aefad 100644
--- a/libsrc/atari/fdtab.s
+++ b/libsrc/atari/fdtab.s
@@ -5,26 +5,26 @@
 ; the fdtable itself is defined here
 ;
 
-	.include "fd.inc"
+        .include "fd.inc"
 
-	.export	fd_table,fd_index
-	.export	___fd_table,___fd_index	; for test(debug purposes only
+        .export fd_table,fd_index
+        .export ___fd_table,___fd_index ; for test(debug purposes only
 
-	.data
+        .data
 
 ___fd_index:
-fd_index:	; fd number is index into this table, entry's value specifies the fd_table entry
-	.byte	0,0,0		; at start, three first files are stdin/stdout/stderr.
-	.res	MAX_FD_INDEX-3,$ff
+fd_index:       ; fd number is index into this table, entry's value specifies the fd_table entry
+        .byte   0,0,0           ; at start, three first files are stdin/stdout/stderr.
+        .res    MAX_FD_INDEX-3,$ff
 
 ___fd_table:
-fd_table:	; each entry represents an open iocb
-	.byte	3,0,'E',0	; system console, app starts with opened iocb #0 for E:
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
-	.byte	0,$ff,0,0
+fd_table:       ; each entry represents an open iocb
+        .byte   3,0,'E',0       ; system console, app starts with opened iocb #0 for E:
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
+        .byte   0,$ff,0,0
 
diff --git a/libsrc/atari/fdtable.s b/libsrc/atari/fdtable.s
index 111f340d0..7e3325055 100644
--- a/libsrc/atari/fdtable.s
+++ b/libsrc/atari/fdtable.s
@@ -4,85 +4,85 @@
 ; fd indirection table & helper functions
 ;
 
-	.include "atari.inc"
-	.include "fd.inc"
-	.importzp tmp1,tmp2,tmp3,ptr4,sp
-	.import fd_table,fd_index
-	.import fdt_to_fdi
-	.export	clriocb
-	.export	fdtoiocb_down
-	.export	findfreeiocb
-	.export	fddecusage
-	.export	newfd
-
-	.code
+        .include "atari.inc"
+        .include "fd.inc"
+        .importzp tmp1,tmp2,tmp3,ptr4,sp
+        .import fd_table,fd_index
+        .import fdt_to_fdi
+        .export clriocb
+        .export fdtoiocb_down
+        .export findfreeiocb
+        .export fddecusage
+        .export newfd
+
+        .code
 
 ; gets fd in ax, decrements usage counter
 ; return iocb index in X
 ; return N bit set for invalid fd
 ; return Z bit set if last user
 ; all registers destroyed
-.proc	fdtoiocb_down
-
-	cpx	#0
-	bne	inval
-	cmp	#MAX_FD_INDEX
-	bcs	inval
-	tax
-	lda	fd_index,x		; get index
-	tay
-	lda	#$ff
-	sta	fd_index,x		; clear entry
-	tya
-	asl	a			; create index into fd table
-	asl	a
-	tax
-	lda	#$ff
-	cmp	fd_table+ft_iocb,x	; entry in use?
-	beq	inval			; no, return error
-	lda	fd_table+ft_usa,x	; get usage counter
-	beq	ok_notlast		; 0? (shouldn't happen)
-	sec
-	sbc	#1			; decr usage counter
-	sta	fd_table+ft_usa,x
+.proc   fdtoiocb_down
+
+        cpx     #0
+        bne     inval
+        cmp     #MAX_FD_INDEX
+        bcs     inval
+        tax
+        lda     fd_index,x              ; get index
+        tay
+        lda     #$ff
+        sta     fd_index,x              ; clear entry
+        tya
+        asl     a                       ; create index into fd table
+        asl     a
+        tax
+        lda     #$ff
+        cmp     fd_table+ft_iocb,x      ; entry in use?
+        beq     inval                   ; no, return error
+        lda     fd_table+ft_usa,x       ; get usage counter
+        beq     ok_notlast              ; 0? (shouldn't happen)
+        sec
+        sbc     #1                      ; decr usage counter
+        sta     fd_table+ft_usa,x
 retiocb:php
-	txa
-	tay
-	lda	fd_table+ft_iocb,x	; get iocb
-	tax
-	plp
-	bne	cont
-	lda	#$ff
-	sta	fd_table+ft_iocb,y	; clear table entry
-	lda	fd_table+ft_flag,y
-	and	#16			; opened by app?
-	eor	#16			; return set Z if yes
-cont:	rts
+        txa
+        tay
+        lda     fd_table+ft_iocb,x      ; get iocb
+        tax
+        plp
+        bne     cont
+        lda     #$ff
+        sta     fd_table+ft_iocb,y      ; clear table entry
+        lda     fd_table+ft_flag,y
+        and     #16                     ; opened by app?
+        eor     #16                     ; return set Z if yes
+cont:   rts
 
 ok_notlast:
-	lda	#1			; clears Z
-	jmp	retiocb
+        lda     #1                      ; clears Z
+        jmp     retiocb
 
-.endproc	; fdtoiocb_down
+.endproc        ; fdtoiocb_down
 
-inval:	ldx	#$ff			; sets N
-	rts
+inval:  ldx     #$ff                    ; sets N
+        rts
 
 
 ; clear iocb except for ICHID field
 ; expects X to be index to IOCB (0,$10,$20,etc.)
 ; all registers destroyed
 
-.proc	clriocb
+.proc   clriocb
 
-	inx			; don't clear ICHID
-	ldy	#15
-	lda	#0
-loop:	sta	ICHID,x
-	inx
-	dey
-	bne	loop
-	rts
+        inx                     ; don't clear ICHID
+        ldy     #15
+        lda     #0
+loop:   sta     ICHID,x
+        inx
+        dey
+        bne     loop
+        rts
 
 .endproc
 
@@ -93,57 +93,57 @@ loop:	sta	ICHID,x
 ;        index in X if found
 ; all registers destroyed
 
-.proc	findfreeiocb
+.proc   findfreeiocb
 
-	ldx	#0
-	ldy	#$FF
-loop:	tya
-	cmp	ICHID,x
-	beq	found
-	txa
-	clc
-	adc	#$10
-	tax
-	cmp	#$80
-	bcc	loop
-	inx			; return ZF cleared
-found:	rts
+        ldx     #0
+        ldy     #$FF
+loop:   tya
+        cmp     ICHID,x
+        beq     found
+        txa
+        clc
+        adc     #$10
+        tax
+        cmp     #$80
+        bcc     loop
+        inx                     ; return ZF cleared
+found:  rts
 
-.endproc	; findfreeiocb
+.endproc        ; findfreeiocb
 
 
 ; decrements usage counter for fd
 ; if 0 reached, it's marked as unused
 ; get fd index in tmp2
 ; Y register preserved
-.proc	fddecusage
-
-	lda	tmp2			; get fd
-	cmp	#MAX_FD_INDEX
-	bcs	ret			; invalid index, do nothing
-	tax
-	lda	fd_index,x
-	pha
-	lda	#$ff
-	sta	fd_index,x
-	pla
-	asl	a			; create index into fd table
-	asl	a
-	tax
-	lda	#$ff
-	cmp	fd_table+ft_iocb,x	; entry in use?
-	beq	ret			; no, do nothing
-	lda	fd_table+ft_usa,x	; get usage counter
-	beq	ret			; 0? should not happen
-	sec
-	sbc	#1			; decrement by one
-	sta	fd_table+ft_usa,x
-	bne	ret			; not 0
-	lda	#$ff			; 0, table entry unused now
-	sta	fd_table+ft_iocb,x	; clear table entry
-ret:	rts
-
-.endproc	; fddecusage
+.proc   fddecusage
+
+        lda     tmp2                    ; get fd
+        cmp     #MAX_FD_INDEX
+        bcs     ret                     ; invalid index, do nothing
+        tax
+        lda     fd_index,x
+        pha
+        lda     #$ff
+        sta     fd_index,x
+        pla
+        asl     a                       ; create index into fd table
+        asl     a
+        tax
+        lda     #$ff
+        cmp     fd_table+ft_iocb,x      ; entry in use?
+        beq     ret                     ; no, do nothing
+        lda     fd_table+ft_usa,x       ; get usage counter
+        beq     ret                     ; 0? should not happen
+        sec
+        sbc     #1                      ; decrement by one
+        sta     fd_table+ft_usa,x
+        bne     ret                     ; not 0
+        lda     #$ff                    ; 0, table entry unused now
+        sta     fd_table+ft_iocb,x      ; clear table entry
+ret:    rts
+
+.endproc        ; fddecusage
 
 
 ; newfd
@@ -156,198 +156,198 @@ ret:	rts
 ; a link to this open device is returned
 ;
 ; Calling parameters:
-;	tmp3 - length of filename + 1
-;	AX   - points to filename
-;	Y    - iocb to use (if we need a new open)
+;       tmp3 - length of filename + 1
+;       AX   - points to filename
+;       Y    - iocb to use (if we need a new open)
 ; Return parameters:
-;	tmp2 - fd num ($ff and C=0 in case of error - no free slot)
-;	C    - 0/1 for no open needed/open should be performed
+;       tmp2 - fd num ($ff and C=0 in case of error - no free slot)
+;       C    - 0/1 for no open needed/open should be performed
 ; all registers preserved!
 
-	.bss
+        .bss
 
 ; local variables:
-loc_Y:		.res	1
-loc_ptr4_l:	.res	1
-loc_ptr4_h:	.res	1
-loc_tmp1:	.res	1
-loc_devnum:	.res	1
-loc_size:	.res	1
-
-	.code
-
-.proc	newfd
-
-	pha
-	txa
-	pha
-	tya
-	pha
-
-	ldx	#0
-	stx	loc_devnum
-	lda	tmp1
-	sta	loc_tmp1
-	stx	tmp1		; init tmp1
-	stx	tmp2		; init tmp2
-	lda	ptr4+1
-	sta	loc_ptr4_h
-	lda	ptr4
-	sta	loc_ptr4_l
-	pla
-	sta	loc_Y
-	pla
-	sta	ptr4+1
-	pla
-	sta	ptr4
-
-	; ptr4 points to filename
-
-	ldy	#1
-	lda	#':'
-	cmp	(ptr4),y	; "X:"
-	beq	colon1
-	iny
-	cmp	(ptr4),y	; "Xn:"
-	beq	colon2
-
-	; no colon there!? OK, then we use a fresh iocb....
-	; return error here? no, the subsequent open call should fail
-
-do_open_nd:	; do open and don't remember device
-	lda	#2
-	sta	tmp1
-do_open:lda	tmp1
-	ora	#1
-	sta	tmp1		; set flag to return 'open needed' : C = 1
-	ldx	#ft_iocb
-	ldy	#$ff
+loc_Y:          .res    1
+loc_ptr4_l:     .res    1
+loc_ptr4_h:     .res    1
+loc_tmp1:       .res    1
+loc_devnum:     .res    1
+loc_size:       .res    1
+
+        .code
+
+.proc   newfd
+
+        pha
+        txa
+        pha
+        tya
+        pha
+
+        ldx     #0
+        stx     loc_devnum
+        lda     tmp1
+        sta     loc_tmp1
+        stx     tmp1            ; init tmp1
+        stx     tmp2            ; init tmp2
+        lda     ptr4+1
+        sta     loc_ptr4_h
+        lda     ptr4
+        sta     loc_ptr4_l
+        pla
+        sta     loc_Y
+        pla
+        sta     ptr4+1
+        pla
+        sta     ptr4
+
+        ; ptr4 points to filename
+
+        ldy     #1
+        lda     #':'
+        cmp     (ptr4),y        ; "X:"
+        beq     colon1
+        iny
+        cmp     (ptr4),y        ; "Xn:"
+        beq     colon2
+
+        ; no colon there!? OK, then we use a fresh iocb....
+        ; return error here? no, the subsequent open call should fail
+
+do_open_nd:     ; do open and don't remember device
+        lda     #2
+        sta     tmp1
+do_open:lda     tmp1
+        ora     #1
+        sta     tmp1            ; set flag to return 'open needed' : C = 1
+        ldx     #ft_iocb
+        ldy     #$ff
 srchfree:
-	tya
-	cmp	fd_table,x	; check ft_iocb field for $ff
-	beq	freefnd		; found a free slot
-	txa
-	clc
-	adc	#ft_entrylen
-	tax
-	cmp	#(MAX_FD_VAL*4)+ft_iocb	; end of table reached?
-	bcc	srchfree
+        tya
+        cmp     fd_table,x      ; check ft_iocb field for $ff
+        beq     freefnd         ; found a free slot
+        txa
+        clc
+        adc     #ft_entrylen
+        tax
+        cmp     #(MAX_FD_VAL*4)+ft_iocb ; end of table reached?
+        bcc     srchfree
 
 ; error: no free slot found
-noslot:	ldx	#0
-	stx	tmp1		; return with C = 0
-	dex
-	stx	tmp2		; iocb:	$ff marks error
-	jmp	finish
+noslot: ldx     #0
+        stx     tmp1            ; return with C = 0
+        dex
+        stx     tmp2            ; iocb: $ff marks error
+        jmp     finish
 
 ; found a free slot
 freefnd:txa
-	sec
-	sbc	#ft_iocb	; normalize
-	tax
-	lsr	a
-	lsr	a
-	sta	tmp2		; return fd
-	lda	#2
-	bit	tmp1		; remember device?
-	beq	l1		; yes
-	lda	#0		; no, put 0 in field
-	beq	l2
-
-l1:	ldy	#0
-	lda	(sp),y			; get device
-l2:	sta	fd_table+ft_dev,x	; set device
-	lda	#1
-	sta	fd_table+ft_usa,x	; set usage counter
-	lda	loc_Y
-	sta	fd_table+ft_iocb,x	; set iocb index
-	lda	loc_devnum
-	and	#7			; device number is 3 bits
-	ora	#16			; indicated a fd actively opened by the app
-	sta	fd_table+ft_flag,x
-	lda	tmp2
-	jsr	fdt_to_fdi		; get new index
-noslot1:bcs	noslot			; no one available (noslot1: helper label for branch out of range)
-	;cmp	#$ff			; no one available
-	;beq	noslot	;@@@ cleanup needed
-	sta	tmp2			; return index
-	jmp	finish
+        sec
+        sbc     #ft_iocb        ; normalize
+        tax
+        lsr     a
+        lsr     a
+        sta     tmp2            ; return fd
+        lda     #2
+        bit     tmp1            ; remember device?
+        beq     l1              ; yes
+        lda     #0              ; no, put 0 in field
+        beq     l2
+
+l1:     ldy     #0
+        lda     (sp),y                  ; get device
+l2:     sta     fd_table+ft_dev,x       ; set device
+        lda     #1
+        sta     fd_table+ft_usa,x       ; set usage counter
+        lda     loc_Y
+        sta     fd_table+ft_iocb,x      ; set iocb index
+        lda     loc_devnum
+        and     #7                      ; device number is 3 bits
+        ora     #16                     ; indicated a fd actively opened by the app
+        sta     fd_table+ft_flag,x
+        lda     tmp2
+        jsr     fdt_to_fdi              ; get new index
+noslot1:bcs     noslot                  ; no one available (noslot1: helper label for branch out of range)
+        ;cmp    #$ff                    ; no one available
+        ;beq    noslot  ;@@@ cleanup needed
+        sta     tmp2                    ; return index
+        jmp     finish
 
 ; string in "Xn:xxx" format
-colon2:	dey
-	lda	(ptr4),y	; get device number
-	sec
-	sbc	#'0'
-	and	#7
-	sta	loc_devnum
-	sta	tmp2		; save it for speed later here also
-	lda	#4		; max. length if only  device + number ("Xn:")
-	cmp	tmp3
-	bcc	do_open_nd	; string is longer -> contains filename
-	bcs	check_dev	; handle device only string
+colon2: dey
+        lda     (ptr4),y        ; get device number
+        sec
+        sbc     #'0'
+        and     #7
+        sta     loc_devnum
+        sta     tmp2            ; save it for speed later here also
+        lda     #4              ; max. length if only  device + number ("Xn:")
+        cmp     tmp3
+        bcc     do_open_nd      ; string is longer -> contains filename
+        bcs     check_dev       ; handle device only string
 
 ; string in "X:xxx" format
-colon1:	lda	#3		; max. length if device only ("X:")
-	cmp	tmp3
-	bcc	do_open_nd	; string is longer -> contains filename
+colon1: lda     #3              ; max. length if device only ("X:")
+        cmp     tmp3
+        bcc     do_open_nd      ; string is longer -> contains filename
 
 ; get device and search it in fd table
 check_dev:
-	ldy	#0
-	lda	(ptr4),y	; get device id
-	tay
-	ldx	#(MAX_FD_VAL*4) - ft_entrylen
-srchdev:lda	#$ff
-	cmp	fd_table+ft_iocb,x	; is entry valid?
-	beq	srch2			; no, skip this entry
-	tya
-	cmp	fd_table+ft_dev,x
-	beq	fnddev
-srch2:	txa
-	sec
-	sbc	#ft_entrylen+1
-	tax
-	bpl	srchdev
+        ldy     #0
+        lda     (ptr4),y        ; get device id
+        tay
+        ldx     #(MAX_FD_VAL*4) - ft_entrylen
+srchdev:lda     #$ff
+        cmp     fd_table+ft_iocb,x      ; is entry valid?
+        beq     srch2                   ; no, skip this entry
+        tya
+        cmp     fd_table+ft_dev,x
+        beq     fnddev
+srch2:  txa
+        sec
+        sbc     #ft_entrylen+1
+        tax
+        bpl     srchdev
 
 ; not found, open new iocb
-	jmp	do_open
+        jmp     do_open
 
 ; found device in table, check device number (e.g R0 - R3)
-fnddev:	lda	fd_table+ft_flag,x
-	and	#7
-	cmp	tmp2			; contains devnum
-	bne	srch2			; different device numbers
+fnddev: lda     fd_table+ft_flag,x
+        and     #7
+        cmp     tmp2                    ; contains devnum
+        bne     srch2                   ; different device numbers
 
 ; found existing open iocb with same device
-	txa
-	lsr	a
-	lsr	a
-	sta	tmp2
-	inc	fd_table+ft_usa,x	; increment usage counter
-	jsr	fdt_to_fdi		; get new index
-	bcs	noslot1			; no one available
-	sta	tmp2			; return index
+        txa
+        lsr     a
+        lsr     a
+        sta     tmp2
+        inc     fd_table+ft_usa,x       ; increment usage counter
+        jsr     fdt_to_fdi              ; get new index
+        bcs     noslot1                 ; no one available
+        sta     tmp2                    ; return index
 
 ; clean up and go home
-finish:	lda	ptr4
-	pha
-	lda	ptr4+1
-	pha
-	lda	loc_Y
-	pha
-	lda	tmp1
-	pha
-	lda	loc_tmp1
-	sta	tmp1
-	pla
-	lsr	a			; set C as needed
-
-	pla
-	tay
-	pla
-	tax
-	pla
-	rts
-
-.endproc	; newfd
+finish: lda     ptr4
+        pha
+        lda     ptr4+1
+        pha
+        lda     loc_Y
+        pha
+        lda     tmp1
+        pha
+        lda     loc_tmp1
+        sta     tmp1
+        pla
+        lsr     a                       ; set C as needed
+
+        pla
+        tay
+        pla
+        tax
+        pla
+        rts
+
+.endproc        ; newfd
 
diff --git a/libsrc/atari/fdtoiocb.s b/libsrc/atari/fdtoiocb.s
index 710ef9009..bd8c92dae 100644
--- a/libsrc/atari/fdtoiocb.s
+++ b/libsrc/atari/fdtoiocb.s
@@ -5,37 +5,37 @@
 ; Convert file descriptor to IOCB number
 ;
 
-	.include "atari.inc"
-	.include "fd.inc"
-	.import fd_table,fd_index
-	.export	fdtoiocb
+        .include "atari.inc"
+        .include "fd.inc"
+        .import fd_table,fd_index
+        .export fdtoiocb
 
-	.code
+        .code
 
 ; gets fd in ax
 ; return iocb index in A, fd_table index in X
 ; return N bit set for invalid fd
 ; all registers destroyed
-.proc	fdtoiocb
+.proc   fdtoiocb
 
-	cpx	#0
-	bne	inval
-	cmp	#MAX_FD_INDEX
-	bcs	inval
-	tax
-	lda	fd_index,x
-	asl	a			; create index into fd table
-	asl	a
-	tax
-	lda	#$ff
-	cmp	fd_table+ft_iocb,x	; entry in use?
-	beq	inval			; no, return error
-	lda	fd_table+ft_usa,x	; get usage counter
-	beq	inval			; 0? should not happen
-	lda	fd_table+ft_iocb,x	; get iocb
-	rts
+        cpx     #0
+        bne     inval
+        cmp     #MAX_FD_INDEX
+        bcs     inval
+        tax
+        lda     fd_index,x
+        asl     a                       ; create index into fd table
+        asl     a
+        tax
+        lda     #$ff
+        cmp     fd_table+ft_iocb,x      ; entry in use?
+        beq     inval                   ; no, return error
+        lda     fd_table+ft_usa,x       ; get usage counter
+        beq     inval                   ; 0? should not happen
+        lda     fd_table+ft_iocb,x      ; get iocb
+        rts
 
-inval:	ldx     #$ff			; sets N
-	rts
+inval:  ldx     #$ff                    ; sets N
+        rts
 
-.endproc	; fdtoiocb
+.endproc        ; fdtoiocb
diff --git a/libsrc/atari/getargs.s b/libsrc/atari/getargs.s
index da7fd73aa..fdae55364 100644
--- a/libsrc/atari/getargs.s
+++ b/libsrc/atari/getargs.s
@@ -7,15 +7,15 @@
 ; startup code but is nevertheless included in the compiled program when
 ; needed.
 
-MAXARGS	= 16		; max. amount of arguments in arg. table
-CL_SIZE = 64		; command line buffer size
-SPACE	= 32		; SPACE char.
+MAXARGS = 16            ; max. amount of arguments in arg. table
+CL_SIZE = 64            ; command line buffer size
+SPACE   = 32            ; SPACE char.
 
-	.include	"atari.inc"
-	.import		__argc, __argv
-	.importzp	ptr1
-	.import		__dos_type
-	.constructor	initmainargs,25
+        .include        "atari.inc"
+        .import         __argc, __argv
+        .importzp       ptr1
+        .import         __dos_type
+        .constructor    initmainargs,25
 
 ; --------------------------------------------------------------------------
 ; Get command line
@@ -23,121 +23,121 @@ SPACE	= 32		; SPACE char.
 .segment        "INIT"
 
 initmainargs:
-	lda	#0
-	sta	__argc
-	sta	__argc+1
-	sta	__argv
-	sta	__argv+1
-
-	lda	__dos_type	; which DOS?
-	cmp	#ATARIDOS
-	beq	nargdos		; DOS does not support arguments
-	cmp	#MYDOS
-	bne	argdos		; DOS supports arguments
+        lda     #0
+        sta     __argc
+        sta     __argc+1
+        sta     __argv
+        sta     __argv+1
+
+        lda     __dos_type      ; which DOS?
+        cmp     #ATARIDOS
+        beq     nargdos         ; DOS does not support arguments
+        cmp     #MYDOS
+        bne     argdos          ; DOS supports arguments
 nargdos:rts
 
 ; Initialize ourcl buffer
 
-argdos:	lda	#ATEOL
-	sta	ourcl+CL_SIZE
+argdos: lda     #ATEOL
+        sta     ourcl+CL_SIZE
 
 ; Move SpartaDOS command line to our own buffer
 
-	lda	DOSVEC
-	clc
-	adc	#LBUF
-	sta	ptr1+1
-
-	ldy	#0
-cpcl:	lda	(ptr1),y
-	sta	ourcl,y
-	iny
-	cmp	#ATEOL
-	beq	movdon
-	cpy	#CL_SIZE
-	bne	cpcl
-
-movdon:	lda	#0
-	sta	ourcl,y		; null terminate behind ATEOL
+        lda     DOSVEC
+        clc
+        adc     #LBUF
+        sta     ptr1+1
+
+        ldy     #0
+cpcl:   lda     (ptr1),y
+        sta     ourcl,y
+        iny
+        cmp     #ATEOL
+        beq     movdon
+        cpy     #CL_SIZE
+        bne     cpcl
+
+movdon: lda     #0
+        sta     ourcl,y         ; null terminate behind ATEOL
 
 ; Turn command line into argv table
 
-	;ldy	#0
-	tay
-eatspc:	lda	ourcl,y		; eat spaces
-	cmp	#ATEOL
-	beq	finargs
-	cmp	#SPACE
-	bne	rpar		; begin of argument found
-	iny
-	cpy	#CL_SIZE
-	bne	eatspc
-	beq	finargs		; only spaces is no argument
+        ;ldy    #0
+        tay
+eatspc: lda     ourcl,y         ; eat spaces
+        cmp     #ATEOL
+        beq     finargs
+        cmp     #SPACE
+        bne     rpar            ; begin of argument found
+        iny
+        cpy     #CL_SIZE
+        bne     eatspc
+        beq     finargs         ; only spaces is no argument
 
 ; Store argument vector
 
-rpar:	lda	__argc		; low-byte
-	asl
-	tax			; table index
-	tya			; ourcl index
-	clc
-	adc	#ourcl
-	adc	#0
-	sta	argv+1,x
-	ldx	__argc
-	inx
-	stx	__argc
-	cpx	#MAXARGS
-	beq	finargs
+rpar:   lda     __argc          ; low-byte
+        asl
+        tax                     ; table index
+        tya                     ; ourcl index
+        clc
+        adc     #ourcl
+        adc     #0
+        sta     argv+1,x
+        ldx     __argc
+        inx
+        stx     __argc
+        cpx     #MAXARGS
+        beq     finargs
 
 ; Skip this arg.
 
 skiparg:
-	ldx	ourcl,y
-	cpx	#ATEOL		; end of line?
-	beq	eopar
-	cpx	#SPACE
-	beq	eopar
-	iny
-	cpy	#CL_SIZE
-	bne	skiparg
+        ldx     ourcl,y
+        cpx     #ATEOL          ; end of line?
+        beq     eopar
+        cpx     #SPACE
+        beq     eopar
+        iny
+        cpy     #CL_SIZE
+        bne     skiparg
 
 ; End of arg. -> place 0
 
 eopar:
-	lda	#0
-	sta	ourcl,y
-	iny			; y behind arg.
-	cpx	#ATEOL		; was it the last arg?
-	bne	eatspc
+        lda     #0
+        sta     ourcl,y
+        iny                     ; y behind arg.
+        cpx     #ATEOL          ; was it the last arg?
+        bne     eatspc
 
 ; Finish args
 
 finargs:
-	lda	__argc
-	asl           
-	tax
-	lda	#0
-	sta	argv,x
-	sta	argv+1,x
-	lda	#argv
-	sta	__argv
-	stx	__argv+1
-	rts
+        lda     __argc
+        asl           
+        tax
+        lda     #0
+        sta     argv,x
+        sta     argv+1,x
+        lda     #argv
+        sta     __argv
+        stx     __argv+1
+        rts
 
 ; --------------------------------------------------------------------------
 ; Data
 
 .bss
 
-argv:	.res	(1 + MAXARGS) * 2
+argv:   .res    (1 + MAXARGS) * 2
 
 ; Buffer for command line / argv strings
 
-ourcl:	.res	CL_SIZE+1
+ourcl:  .res    CL_SIZE+1
diff --git a/libsrc/atari/getdefdev.s b/libsrc/atari/getdefdev.s
index a6d13e86e..13aa12e04 100644
--- a/libsrc/atari/getdefdev.s
+++ b/libsrc/atari/getdefdev.s
@@ -14,77 +14,77 @@
 ; ZCRNAME is slightly different from SpartaDOS. It will convert D:
 ; into Dn: where n is the default drive.
 
-	.include	"atari.inc"
-	.import		__dos_type
-	.export		__getdefdev		; get default device
-	.export		__defdev		; this is the default device string (e.g. "D1:")
-.ifdef	DYNAMIC_DD
-	.constructor	__getdefdev,24
+        .include        "atari.inc"
+        .import         __dos_type
+        .export         __getdefdev             ; get default device
+        .export         __defdev                ; this is the default device string (e.g. "D1:")
+.ifdef  DYNAMIC_DD
+        .constructor    __getdefdev,24
 .endif
 
 ; Get default device (LBUF will be destroyed!!)
 
 __getdefdev:
 
-	lda	__dos_type	; which DOS?
-	cmp	#ATARIDOS
-	beq	finish
-	cmp	#MYDOS
-	beq	finish
+        lda     __dos_type      ; which DOS?
+        cmp     #ATARIDOS
+        beq     finish
+        cmp     #MYDOS
+        beq     finish
 
-	ldy	#BUFOFF
-	lda	#0
-	sta	(DOSVEC),y	; reset buffer offset
+        ldy     #BUFOFF
+        lda     #0
+        sta     (DOSVEC),y      ; reset buffer offset
 
 ; Store dummy argument
 
-	ldy	#LBUF
-	lda	#'X'
-	sta	(DOSVEC),y
-	iny
-	lda	#ATEOL
-	sta	(DOSVEC),y
+        ldy     #LBUF
+        lda     #'X'
+        sta     (DOSVEC),y
+        iny
+        lda     #ATEOL
+        sta     (DOSVEC),y
 
 ; One extra store to avoid the buggy sequence from OS/A+ DOS:
 ; <:> => drive number = 
 
-	iny
-	sta	(DOSVEC),y
+        iny
+        sta     (DOSVEC),y
 
 ; Create crunch vector
 
-	ldy	#ZCRNAME+1
-	lda	(DOSVEC),y
-	sta	crvec+1
-	iny
-	lda	(DOSVEC),y
-	sta	crvec+2
+        ldy     #ZCRNAME+1
+        lda     (DOSVEC),y
+        sta     crvec+1
+        iny
+        lda     (DOSVEC),y
+        sta     crvec+2
 
-crvec:	jsr	$FFFF		; will be set to crunch vector
+crvec:  jsr     $FFFF           ; will be set to crunch vector
 
 ; Get default device
 
-	ldy	#COMFNAM	;  COMFNAM is always "Dn:"
-	lda	(DOSVEC),y
-	sta	__defdev
-	iny
-	lda	(DOSVEC),y
-	sta	__defdev+1
+        ldy     #COMFNAM        ;  COMFNAM is always "Dn:"
+        lda     (DOSVEC),y
+        sta     __defdev
+        iny
+        lda     (DOSVEC),y
+        sta     __defdev+1
 
 ; Return pointer to default device
 
-finish:	lda	#<__defdev
-	ldx	#>__defdev
-	rts
+finish: lda     #<__defdev
+        ldx     #>__defdev
+        rts
 
-	.data
+        .data
 
 ; Default device
 
 __defdev:
-.ifdef	DEFAULT_DEVICE
-	.byte	'D', '0'+DEFAULT_DEVICE, ':', 0
+.ifdef  DEFAULT_DEVICE
+        .byte   'D', '0'+DEFAULT_DEVICE, ':', 0
 .else
-	.byte	"D1:", 0
+        .byte   "D1:", 0
 .endif
 
diff --git a/libsrc/atari/getfd.s b/libsrc/atari/getfd.s
index 8327e24ac..a4e34833b 100644
--- a/libsrc/atari/getfd.s
+++ b/libsrc/atari/getfd.s
@@ -4,15 +4,15 @@
 ; allocates a new fd in the indirection table
 ;
 
-	.include "atari.inc"
-	.include "fd.inc"
-	.include "_file.inc"
-	.importzp tmp1
-	.import fd_table, fd_index
+        .include "atari.inc"
+        .include "fd.inc"
+        .include "_file.inc"
+        .importzp tmp1
+        .import fd_table, fd_index
 
-	.export fdt_to_fdi,getfd
+        .export fdt_to_fdi,getfd
 
-	.code
+        .code
 
 ; fdt_to_fdi
 ; returns a fd_index entry pointing to the given ft_table entry
@@ -20,24 +20,24 @@
 ; return C = 0/1 for OK/error
 ; return fd_index entry in A if OK
 ; registers destroyed
-.proc	fdt_to_fdi
+.proc   fdt_to_fdi
 
-	tay
-	lda	#$ff
-	tax
-	inx
-loop:	cmp	fd_index,x
-	beq	found
-	inx
-	cpx	#MAX_FD_INDEX
-	bcc	loop
-	rts
+        tay
+        lda     #$ff
+        tax
+        inx
+loop:   cmp     fd_index,x
+        beq     found
+        inx
+        cpx     #MAX_FD_INDEX
+        bcc     loop
+        rts
 
-found:	tya
-	sta	fd_index,x
-	txa
-	clc
-	rts
+found:  tya
+        sta     fd_index,x
+        txa
+        clc
+        rts
 
 .endproc
 
@@ -48,19 +48,19 @@ found:	tya
 ; return C = 0/1 for OK/error
 ; returns fd in A if OK
 ; registers destroyed, tmp1 destroyed
-.proc	getfd
+.proc   getfd
 
-	sta	tmp1		; save fd_table entry
-	jsr	fdt_to_fdi
-	bcs	error
+        sta     tmp1            ; save fd_table entry
+        jsr     fdt_to_fdi
+        bcs     error
 
-	pha
-	lda	tmp1
-	asl	a
-	asl	a			; also clears C
-	tax
-	inc	fd_table+ft_usa,x	; increment usage counter
-	pla
-error:	rts
+        pha
+        lda     tmp1
+        asl     a
+        asl     a                       ; also clears C
+        tax
+        inc     fd_table+ft_usa,x       ; increment usage counter
+        pla
+error:  rts
 
 .endproc
diff --git a/libsrc/atari/gotox.s b/libsrc/atari/gotox.s
index 385eead2b..d849bc71a 100644
--- a/libsrc/atari/gotox.s
+++ b/libsrc/atari/gotox.s
@@ -4,12 +4,12 @@
 ; void gotox (unsigned char x);
 ;
 
-	.include	"atari.inc"
-	.export		_gotox
-	.import		setcursor
+        .include        "atari.inc"
+        .export         _gotox
+        .import         setcursor
 
 _gotox:
-	sta	COLCRS		; Set X
-	lda	#0
-	sta	COLCRS+1
-	jmp	setcursor
+        sta     COLCRS          ; Set X
+        lda     #0
+        sta     COLCRS+1
+        jmp     setcursor
diff --git a/libsrc/atari/gotoxy.s b/libsrc/atari/gotoxy.s
index 47342d74b..1f00c3b23 100644
--- a/libsrc/atari/gotoxy.s
+++ b/libsrc/atari/gotoxy.s
@@ -4,16 +4,16 @@
 ; void gotoxy (unsigned char x, unsigned char y);
 ;
 
-	.include "atari.inc"
+        .include "atari.inc"
 
-	.export		_gotoxy
-	.import		popa
-	.import		setcursor
+        .export         _gotoxy
+        .import         popa
+        .import         setcursor
 
-_gotoxy:			; Set the cursor position
-	sta	ROWCRS		; Set Y
-	jsr 	popa		; Get X
-	sta	COLCRS		; Set X
-	lda	#0
-	sta	COLCRS+1	;
-	jmp	setcursor
+_gotoxy:                        ; Set the cursor position
+        sta     ROWCRS          ; Set Y
+        jsr     popa            ; Get X
+        sta     COLCRS          ; Set X
+        lda     #0
+        sta     COLCRS+1        ;
+        jmp     setcursor
diff --git a/libsrc/atari/gotoy.s b/libsrc/atari/gotoy.s
index 229ba95db..8a17096c6 100644
--- a/libsrc/atari/gotoy.s
+++ b/libsrc/atari/gotoy.s
@@ -4,10 +4,10 @@
 ; void gotoy (unsigned char y);
 ;
 
-	.include	"atari.inc"
-	.export		_gotoy
-	.import		setcursor
+        .include        "atari.inc"
+        .export         _gotoy
+        .import         setcursor
 
 _gotoy:
-	sta	ROWCRS		; Set Y
-	jmp	setcursor
+        sta     ROWCRS          ; Set Y
+        jmp     setcursor
diff --git a/libsrc/atari/graphics.s b/libsrc/atari/graphics.s
index 120865f82..60f2ff789 100644
--- a/libsrc/atari/graphics.s
+++ b/libsrc/atari/graphics.s
@@ -7,101 +7,101 @@
 ;
 ;
 
-	.export	__graphics
+        .export __graphics
 
-	.import	findfreeiocb
-	.import	__do_oserror,__oserror
-	.import	fddecusage
-	.import	clriocb
-	.import	fdtoiocb
-	.import	newfd
-	.importzp tmp1,tmp2,tmp3
+        .import findfreeiocb
+        .import __do_oserror,__oserror
+        .import fddecusage
+        .import clriocb
+        .import fdtoiocb
+        .import newfd
+        .importzp tmp1,tmp2,tmp3
 
-	.include	"atari.inc"
-	.include	"errno.inc"
+        .include        "atari.inc"
+        .include        "errno.inc"
 
-	.code
+        .code
 
 ; set new grapics mode
 ; gets new mode in A
 ; returns handle or -1 on error
 ; uses tmp1, tmp2, tmp3, tmp4 (in subroutines)
 
-.proc	__graphics
-
-;	tax
-;	and	#15		; get required graphics mode
-;	cmp	#12
-;	bcs	invmode		; invalid mode
-;	txa
-;	and	#$c0		; invalid bits set?
-;	bne	invmode
-
-;	stx	tmp1
-	sta	tmp1		; remember graphics mode
-
-parmok:	jsr	findfreeiocb
-	beq	iocbok		; we found one
-
-	lda	#EINVAL
-;	lda	#scrdev
-	jsr	newfd
-	tya
-	tax
-	bcs	doopen		; C set: open needed
-
-	ldx	#0
-	lda	tmp2		; get fd used
-	jsr	fdtoiocb
-	tax
-
-doopen:	txa
-	;brk
-	pha
-	jsr	clriocb
-	pla
-	tax
-	lda	#scrdev
-	sta	ICBAH,x
-	lda	#OPEN
-	sta	ICCOM,x
-	lda	tmp1		; get requested graphics mode
-	and	#15
-	sta	ICAX2,x
-	lda	tmp1
-	and	#$30
-	eor	#$10
-	ora	#12
-	sta	ICAX1,x
-
-	jsr	CIOV
-	bmi	cioerr
-
-	lda	tmp2		; get fd
-	ldx	#0
-	stx	__oserror
-	rts
-
-cioerr:	jsr	fddecusage	; decrement usage counter of fd as open failed
-	jmp	__do_oserror
-
-.endproc	; __graphics
-
-
-	.rodata
-
-scrdev:	.byte	"S:", 0
+.proc   __graphics
+
+;       tax
+;       and     #15             ; get required graphics mode
+;       cmp     #12
+;       bcs     invmode         ; invalid mode
+;       txa
+;       and     #$c0            ; invalid bits set?
+;       bne     invmode
+
+;       stx     tmp1
+        sta     tmp1            ; remember graphics mode
+
+parmok: jsr     findfreeiocb
+        beq     iocbok          ; we found one
+
+        lda     #EINVAL
+;       lda     #scrdev
+        jsr     newfd
+        tya
+        tax
+        bcs     doopen          ; C set: open needed
+
+        ldx     #0
+        lda     tmp2            ; get fd used
+        jsr     fdtoiocb
+        tax
+
+doopen: txa
+        ;brk
+        pha
+        jsr     clriocb
+        pla
+        tax
+        lda     #scrdev
+        sta     ICBAH,x
+        lda     #OPEN
+        sta     ICCOM,x
+        lda     tmp1            ; get requested graphics mode
+        and     #15
+        sta     ICAX2,x
+        lda     tmp1
+        and     #$30
+        eor     #$10
+        ora     #12
+        sta     ICAX1,x
+
+        jsr     CIOV
+        bmi     cioerr
+
+        lda     tmp2            ; get fd
+        ldx     #0
+        stx     __oserror
+        rts
+
+cioerr: jsr     fddecusage      ; decrement usage counter of fd as open failed
+        jmp     __do_oserror
+
+.endproc        ; __graphics
+
+
+        .rodata
+
+scrdev: .byte   "S:", 0
diff --git a/libsrc/atari/initcwd.s b/libsrc/atari/initcwd.s
index 64009995f..19df6a5a4 100644
--- a/libsrc/atari/initcwd.s
+++ b/libsrc/atari/initcwd.s
@@ -2,30 +2,30 @@
 ; Stefan Haubenthal, 2008-04-29
 ;
 
-	.export		initcwd
-	.import		findfreeiocb
-	.import		__cwd
-	.include	"atari.inc"
+        .export         initcwd
+        .import         findfreeiocb
+        .import         __cwd
+        .include        "atari.inc"
 
-.proc	initcwd
+.proc   initcwd
 
-	jsr	findfreeiocb
-	bne	oserr
-	lda	#48
-	sta	ICCOM,x
-	lda	#<__cwd
-	sta	ICBLL,x
-	lda	#>__cwd
-	sta	ICBLH,x
-	jsr	CIOV
-	bmi	oserr
-	ldx	#0		; ATEOL -> \0
-:	lda	__cwd,x
-	inx
-	cmp	#ATEOL
-	bne	:-
-	lda	#0
-	sta	__cwd-1,x
-oserr:	rts
+        jsr     findfreeiocb
+        bne     oserr
+        lda     #48
+        sta     ICCOM,x
+        lda     #<__cwd
+        sta     ICBLL,x
+        lda     #>__cwd
+        sta     ICBLH,x
+        jsr     CIOV
+        bmi     oserr
+        ldx     #0              ; ATEOL -> \0
+:       lda     __cwd,x
+        inx
+        cmp     #ATEOL
+        bne     :-
+        lda     #0
+        sta     __cwd-1,x
+oserr:  rts
 
 .endproc
diff --git a/libsrc/atari/inviocb.s b/libsrc/atari/inviocb.s
index b7954dd11..c1c27ee03 100644
--- a/libsrc/atari/inviocb.s
+++ b/libsrc/atari/inviocb.s
@@ -1,10 +1,10 @@
 ;
 ; set EINVAL error code and returns -1
 ;
-	.include "errno.inc"
+        .include "errno.inc"
 
-	.export	__inviocb
+        .export __inviocb
 
 __inviocb:
-	lda	#IRQStub
-	jsr	SETVBV
-	rts
+        lda     VVBLKI
+        ldx     VVBLKI+1
+        sta     IRQInd+1
+        stx     IRQInd+2
+        lda     #6
+        ldy     #IRQStub
+        jsr     SETVBV
+        rts
 
 ; ------------------------------------------------------------------------
 
 .code
 
 doneirq:
-	lda	#6
-	ldy	IRQInd+1
-	ldx	IRQInd+2
-	jsr	SETVBV
-	rts
+        lda     #6
+        ldy     IRQInd+1
+        ldx     IRQInd+2
+        jsr     SETVBV
+        rts
 
 ; ------------------------------------------------------------------------
 
-.segment	"LOWCODE"
+.segment        "LOWCODE"
 
 IRQStub:
-	cld				; Just to be sure
-	jsr	callirq			; Call the functions
-	jmp	IRQInd			; Jump to the saved IRQ vector
+        cld                             ; Just to be sure
+        jsr     callirq                 ; Call the functions
+        jmp     IRQInd                  ; Jump to the saved IRQ vector
 
 ; ------------------------------------------------------------------------
 
 .data
 
-IRQInd: jmp	$0000
+IRQInd: jmp     $0000
diff --git a/libsrc/atari/joy/atarimj8.s b/libsrc/atari/joy/atarimj8.s
index 863737beb..777a52615 100644
--- a/libsrc/atari/joy/atarimj8.s
+++ b/libsrc/atari/joy/atarimj8.s
@@ -7,48 +7,48 @@
 ; Using code from Carsten Strotmann and help from Christian Groessler
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"joy-kernel.inc"
-	.include	"joy-error.inc"
-	.include	"atari.inc"
+        .include        "joy-kernel.inc"
+        .include        "joy-error.inc"
+        .include        "atari.inc"
 
-	.macpack	generic
+        .macpack        generic
 
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; Driver signature
 
-	.byte	$6A, $6F, $79		; "joy"
-	.byte	JOY_API_VERSION		; Driver API version number
+        .byte   $6A, $6F, $79           ; "joy"
+        .byte   JOY_API_VERSION         ; Driver API version number
 
 ; Button state masks (8 values)
 
-	.byte	$02			; JOY_UP
-	.byte	$04			; JOY_DOWN
-	.byte	$08			; JOY_LEFT
-	.byte	$10			; JOY_RIGHT
-	.byte	$01			; JOY_FIRE
-	.byte	$00			; JOY_FIRE2 not available
-	.byte	$00			; Future expansion
-	.byte	$00			; Future expansion
+        .byte   $02                     ; JOY_UP
+        .byte   $04                     ; JOY_DOWN
+        .byte   $08                     ; JOY_LEFT
+        .byte   $10                     ; JOY_RIGHT
+        .byte   $01                     ; JOY_FIRE
+        .byte   $00                     ; JOY_FIRE2 not available
+        .byte   $00                     ; Future expansion
+        .byte   $00                     ; Future expansion
 
 ; Jump table.
 
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	COUNT
-	.addr	READJOY
-	.addr	0			; IRQ entry not used
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   COUNT
+        .addr   READJOY
+        .addr   0                       ; IRQ entry not used
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-JOY_COUNT	= 8		; Number of joysticks we support
+JOY_COUNT       = 8             ; Number of joysticks we support
 
 
 ; ------------------------------------------------------------------------
@@ -65,15 +65,15 @@ JOY_COUNT	= 8		; Number of joysticks we support
 ;
 
 INSTALL:
-	lda	#$30
-	sta	PACTL
-	lda	#$F0
-	sta	PORTA
-	lda	#$34
-	sta	PACTL
-	lda	#JOY_ERR_OK
-	ldx	#0
-;	rts			; Run into UNINSTALL instead
+        lda     #$30
+        sta     PACTL
+        lda     #$F0
+        sta     PORTA
+        lda     #$34
+        sta     PACTL
+        lda     #JOY_ERR_OK
+        ldx     #0
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -81,7 +81,7 @@ INSTALL:
 ;
 
 UNINSTALL:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -89,27 +89,27 @@ UNINSTALL:
 ;
 
 COUNT:
-	lda	#JOY_COUNT
-	ldx	#0
-	rts
+        lda     #JOY_COUNT
+        ldx     #0
+        rts
 
 ; ------------------------------------------------------------------------
 ; READ: Read a particular joystick passed in A.
 ;
 
 READJOY:
-	asl	a
-	asl	a
-	asl	a
-	asl	a
-	sta	PORTA
+        asl     a
+        asl     a
+        asl     a
+        asl     a
+        sta     PORTA
 
 ; Read joystick
 
-	lda	PORTA		; get position
-	and	#%00001111
-	asl	a
-	ora	TRIG0		; add button information
-	eor	#%00011111
-	ldx	#0		; fix X
-	rts
+        lda     PORTA           ; get position
+        and     #%00001111
+        asl     a
+        ora     TRIG0           ; add button information
+        eor     #%00011111
+        ldx     #0              ; fix X
+        rts
diff --git a/libsrc/atari/joy/ataristd.s b/libsrc/atari/joy/ataristd.s
index 53eff79fe..caca34cc5 100644
--- a/libsrc/atari/joy/ataristd.s
+++ b/libsrc/atari/joy/ataristd.s
@@ -6,48 +6,48 @@
 ; Using the readjoy code from Christian Groessler
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"joy-kernel.inc"
-	.include	"joy-error.inc"
-	.include	"atari.inc"
+        .include        "joy-kernel.inc"
+        .include        "joy-error.inc"
+        .include        "atari.inc"
 
-	.macpack	generic
+        .macpack        generic
 
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; Driver signature
 
-	.byte	$6A, $6F, $79		; "joy"
-	.byte	JOY_API_VERSION		; Driver API version number
+        .byte   $6A, $6F, $79           ; "joy"
+        .byte   JOY_API_VERSION         ; Driver API version number
 
 ; Button state masks (8 values)
 
-	.byte	$01			; JOY_UP
-	.byte	$02			; JOY_DOWN
-	.byte	$04			; JOY_LEFT
-	.byte	$08			; JOY_RIGHT
-	.byte	$10			; JOY_FIRE
-	.byte	$00			; JOY_FIRE2 not available
-	.byte	$00			; Future expansion
-	.byte	$00			; Future expansion
+        .byte   $01                     ; JOY_UP
+        .byte   $02                     ; JOY_DOWN
+        .byte   $04                     ; JOY_LEFT
+        .byte   $08                     ; JOY_RIGHT
+        .byte   $10                     ; JOY_FIRE
+        .byte   $00                     ; JOY_FIRE2 not available
+        .byte   $00                     ; Future expansion
+        .byte   $00                     ; Future expansion
 
 ; Jump table.
 
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	COUNT
-	.addr	READJOY
-	.addr	0			; IRQ entry not used
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   COUNT
+        .addr   READJOY
+        .addr   0                       ; IRQ entry not used
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-JOY_COUNT	= 4		; Number of joysticks we support
+JOY_COUNT       = 4             ; Number of joysticks we support
 
 
 ; ------------------------------------------------------------------------
@@ -64,9 +64,9 @@ JOY_COUNT	= 4		; Number of joysticks we support
 ;
 
 INSTALL:
-	lda	#JOY_ERR_OK
-	ldx	#0
-;	rts			; Run into UNINSTALL instead
+        lda     #JOY_ERR_OK
+        ldx     #0
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -74,7 +74,7 @@ INSTALL:
 ;
 
 UNINSTALL:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -82,31 +82,31 @@ UNINSTALL:
 ;
 
 COUNT:
-	lda	#JOY_COUNT
-	ldx	$fcd8
-	cpx	#$a2
-	beq	_400800
-	lsr	a		; XL and newer machines only have 2 ports
+        lda     #JOY_COUNT
+        ldx     $fcd8
+        cpx     #$a2
+        beq     _400800
+        lsr     a               ; XL and newer machines only have 2 ports
 _400800:
-	ldx	#0
-	rts
+        ldx     #0
+        rts
 
 ; ------------------------------------------------------------------------
 ; READ: Read a particular joystick passed in A.
 ;
 
 READJOY:
-	and	#3		; fix joystick number
-	tax			; Joystick number (0-3) into X
+        and     #3              ; fix joystick number
+        tax                     ; Joystick number (0-3) into X
 
 ; Read joystick
 
-	lda	STRIG0,x	; get button
-	asl	a
-	asl	a
-	asl	a
-	asl	a
-	ora	STICK0,x	; add position information
-	eor	#$1F
-	ldx	#0		; fix X
-	rts
+        lda     STRIG0,x        ; get button
+        asl     a
+        asl     a
+        asl     a
+        asl     a
+        ora     STICK0,x        ; add position information
+        eor     #$1F
+        ldx     #0              ; fix X
+        rts
diff --git a/libsrc/atari/joy_stat_stddrv.s b/libsrc/atari/joy_stat_stddrv.s
index 2eca6d6b4..dffe40ebf 100644
--- a/libsrc/atari/joy_stat_stddrv.s
+++ b/libsrc/atari/joy_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void joy_static_stddrv[];
 ;
 
-        .export	_joy_static_stddrv
-        .import	_ataristd_joy
+        .export _joy_static_stddrv
+        .import _ataristd_joy
 
 .rodata
 
diff --git a/libsrc/atari/joy_stddrv.s b/libsrc/atari/joy_stddrv.s
index 8be458b85..aec33bf57 100644
--- a/libsrc/atari/joy_stddrv.s
+++ b/libsrc/atari/joy_stddrv.s
@@ -6,8 +6,8 @@
 ; const char joy_stddrv[];
 ;
 
-	.export	_joy_stddrv
+        .export _joy_stddrv
 
 .rodata
 
-_joy_stddrv:	.asciiz	"ataristd.joy"
+_joy_stddrv:    .asciiz "ataristd.joy"
diff --git a/libsrc/atari/kbhit.s b/libsrc/atari/kbhit.s
index 2aff6dad3..09ea8a905 100644
--- a/libsrc/atari/kbhit.s
+++ b/libsrc/atari/kbhit.s
@@ -4,19 +4,19 @@
 ; unsigned char kbhit (void);
 ;
 
-	.export		_kbhit
-	.import	       	return1
+        .export         _kbhit
+        .import         return1
 
-	.include	"atari.inc"
+        .include        "atari.inc"
 
 .proc   _kbhit
 
-	ldx   	CH		; last pressed key
-	inx   			; 255 means "no key"
-	bne   	L1
+        ldx     CH              ; last pressed key
+        inx                     ; 255 means "no key"
+        bne     L1
         txa                     ; X = A = 0
         rts
-L1:	jmp   	return1
+L1:     jmp     return1
 
 .endproc
 
diff --git a/libsrc/atari/lseek.s b/libsrc/atari/lseek.s
index 244095969..bf934294c 100644
--- a/libsrc/atari/lseek.s
+++ b/libsrc/atari/lseek.s
@@ -7,178 +7,178 @@
 ;
 
 
- 	.export		_lseek
-	.import		incsp6,__oserror
-	.import		__inviocb,ldax0sp,ldaxysp,fdtoiocb
-	.import		__dos_type
-	.import		fd_table
-	.importzp	sreg,ptr1,ptr2,ptr3,ptr4
-	.importzp	tmp1,tmp2,tmp3
-	.include	"atari.inc"
-	.include	"errno.inc"
-	.include	"fd.inc"
+        .export         _lseek
+        .import         incsp6,__oserror
+        .import         __inviocb,ldax0sp,ldaxysp,fdtoiocb
+        .import         __dos_type
+        .import         fd_table
+        .importzp       sreg,ptr1,ptr2,ptr3,ptr4
+        .importzp       tmp1,tmp2,tmp3
+        .include        "atari.inc"
+        .include        "errno.inc"
+        .include        "fd.inc"
 
 ; seeking not supported, return -1 and ENOSYS errno value
-no_supp:jsr	incsp6
-	lda	#EUNKNOWN
-	rts
+inverr: lda     #EUNKNOWN
+        rts
 
 .endproc
 
 .rodata
 
 maptable:
-	.byte	EINTR	;BRKABT	= 128		;($80) BREAK key abort
-	.byte	EBUSY	;PRVOPN	= 129		;($81) IOCB already open error
-	.byte	ENODEV	;NONDEV	= 130		;($82) nonexistent device error
-	.byte	EACCES	;WRONLY	= 131		;($83) IOCB opened for write only error
-	.byte	ENOSYS	;NVALID	= 132		;($84) invalid command error
-	.byte	EINVAL	;NOTOPN	= 133		;($85) device/file not open error
-	.byte	EINVAL	;BADIOC	= 134		;($86) invalid IOCB index error
-	.byte	EACCES	;RDONLY	= 135		;($87) IOCB opened for read only error
-	.byte	EINVAL	;EOFERR	= 136		;($88) end of file error (should never come,
-						;      specially handled by read.s)
-	.byte	EIO	;TRNRCD	= 137		;($89) truncated record error
-	.byte	EIO	;TIMOUT	= 138		;($8A) peripheral device timeout error
-	.byte	EIO	;DNACK	= 139		;($8B) device does not acknowledge command
-	.byte	EIO	;FRMERR	= 140		;($8C) serial bus framing error
-	.byte	EINVAL	;CRSROR	= 141		;($8D) cursor out of range error
-	.byte	EIO	;OVRRUN	= 142		;($8E) serial bus data overrun error
-	.byte	EIO	;CHKERR	= 143		;($8F) serial bus checksum error
-	.byte	EIO	;DERROR	= 144		;($90) general device failure
-	.byte	EINVAL	;BADMOD	= 145		;($91) bad screen mode number error
-	.byte	ENOSYS	;FNCNOT	= 146		;($92) function not implemented in handler
-	.byte	ENOMEM	;SCRMEM	= 147		;($93) insufficient memory for screen mode
+        .byte   EINTR   ;BRKABT = 128           ;($80) BREAK key abort
+        .byte   EBUSY   ;PRVOPN = 129           ;($81) IOCB already open error
+        .byte   ENODEV  ;NONDEV = 130           ;($82) nonexistent device error
+        .byte   EACCES  ;WRONLY = 131           ;($83) IOCB opened for write only error
+        .byte   ENOSYS  ;NVALID = 132           ;($84) invalid command error
+        .byte   EINVAL  ;NOTOPN = 133           ;($85) device/file not open error
+        .byte   EINVAL  ;BADIOC = 134           ;($86) invalid IOCB index error
+        .byte   EACCES  ;RDONLY = 135           ;($87) IOCB opened for read only error
+        .byte   EINVAL  ;EOFERR = 136           ;($88) end of file error (should never come,
+                                                ;      specially handled by read.s)
+        .byte   EIO     ;TRNRCD = 137           ;($89) truncated record error
+        .byte   EIO     ;TIMOUT = 138           ;($8A) peripheral device timeout error
+        .byte   EIO     ;DNACK  = 139           ;($8B) device does not acknowledge command
+        .byte   EIO     ;FRMERR = 140           ;($8C) serial bus framing error
+        .byte   EINVAL  ;CRSROR = 141           ;($8D) cursor out of range error
+        .byte   EIO     ;OVRRUN = 142           ;($8E) serial bus data overrun error
+        .byte   EIO     ;CHKERR = 143           ;($8F) serial bus checksum error
+        .byte   EIO     ;DERROR = 144           ;($90) general device failure
+        .byte   EINVAL  ;BADMOD = 145           ;($91) bad screen mode number error
+        .byte   ENOSYS  ;FNCNOT = 146           ;($92) function not implemented in handler
+        .byte   ENOMEM  ;SCRMEM = 147           ;($93) insufficient memory for screen mode
 ; codes below taken from "Mein Atari Computer" (german version of "Your Atari Computer")
 ; also SpartaDOS codes from http://www.atari-central.com/programming/cio_errors.txt
 ; MyDOS and XDOS codes from Stefan Haubenthal
-	.byte	EUNKNOWN	; 148 - [SpartaDOS] unrecognized disk format
-	.byte	EUNKNOWN	; 149 - [SpartaDOS] disk created by incompatible version of SD
-	.byte	EBUSY		; 150 - serial port already open
-				;       [SpartaDOS] directory not found
-	.byte	EACCES		; 151 - concurrent mode I/O not enabled (serial)
-				;       [SpartaDOS] file exists
-	.byte	EINVAL		; 152 - invalid buffer address for concurrent mode
-				;       [SpartaDOS] not binary format
-	.byte	EAGAIN		; 153 - concurrent mode enabled (and another access tried)
-	.byte	EACCES		; 154 - concurrent mode I/O not active (serial)
-				;       [SpartaDOS X] loader symbol not defined
-	.byte	EUNKNOWN	; 155 - haven't found documentation
-	.byte	EUNKNOWN	; 156 - [SpartaDOS X] bad parameter
-	.byte	EUNKNOWN	; 157 - haven't found documentation
-	.byte	EUNKNOWN	; 158 - [SpartaDOS X] out of memory
-	.byte	EUNKNOWN	; 159 - haven't found documentation
-	.byte	ENOENT		; 160 - drive number error (DOS)
-	.byte	EMFILE		; 161 - too many open files
-	.byte	ENOSPC		; 162 - disk full
-	.byte	EIO		; 163 - unrecoverable system data I/O error
-	.byte	ESPIPE		; 164 - file number mismatch (inv. seek or disk data strucs damaged)
-	.byte	ENOENT		; 165 - invalid file name (e.g. lowercase)
-	.byte	ESPIPE		; 166 - point data length error
-	.byte	EACCES		; 167 - file locked (read-only)
-	.byte	ENOSYS		; 168 - command invalid for disk
-	.byte	ENOSPC		; 169 - directory full
-	.byte	ENOENT		; 170 - file not found
-	.byte	ESPIPE		; 171 - point command invalid
-	.byte	EEXIST		; 172 - [MYDOS] already exists in parent directory
-	.byte	EUNKNOWN	; 173 - bad disk - format couldn't complete
-	.byte	EUNKNOWN	; 174 - [MYDOS] directory not in parent directory
-	.byte	EUNKNOWN	; 175 - [MYDOS] directory not empty
-	.byte	EUNKNOWN	; 176 - [DOS 3] incompatible file system
-	.byte	EUNKNOWN	; 177 - haven't found documentation
-	.byte	EUNKNOWN	; 178 - haven't found documentation
-	.byte	EUNKNOWN	; 179 - haven't found documentation
-	.byte	EUNKNOWN	; 180 - not a binary file
-	.byte	EUNKNOWN	; 181 - [MYDOS] invalid address range
-	.byte	EUNKNOWN	; 182 - [XDOS] invalid parameter
+        .byte   EUNKNOWN        ; 148 - [SpartaDOS] unrecognized disk format
+        .byte   EUNKNOWN        ; 149 - [SpartaDOS] disk created by incompatible version of SD
+        .byte   EBUSY           ; 150 - serial port already open
+                                ;       [SpartaDOS] directory not found
+        .byte   EACCES          ; 151 - concurrent mode I/O not enabled (serial)
+                                ;       [SpartaDOS] file exists
+        .byte   EINVAL          ; 152 - invalid buffer address for concurrent mode
+                                ;       [SpartaDOS] not binary format
+        .byte   EAGAIN          ; 153 - concurrent mode enabled (and another access tried)
+        .byte   EACCES          ; 154 - concurrent mode I/O not active (serial)
+                                ;       [SpartaDOS X] loader symbol not defined
+        .byte   EUNKNOWN        ; 155 - haven't found documentation
+        .byte   EUNKNOWN        ; 156 - [SpartaDOS X] bad parameter
+        .byte   EUNKNOWN        ; 157 - haven't found documentation
+        .byte   EUNKNOWN        ; 158 - [SpartaDOS X] out of memory
+        .byte   EUNKNOWN        ; 159 - haven't found documentation
+        .byte   ENOENT          ; 160 - drive number error (DOS)
+        .byte   EMFILE          ; 161 - too many open files
+        .byte   ENOSPC          ; 162 - disk full
+        .byte   EIO             ; 163 - unrecoverable system data I/O error
+        .byte   ESPIPE          ; 164 - file number mismatch (inv. seek or disk data strucs damaged)
+        .byte   ENOENT          ; 165 - invalid file name (e.g. lowercase)
+        .byte   ESPIPE          ; 166 - point data length error
+        .byte   EACCES          ; 167 - file locked (read-only)
+        .byte   ENOSYS          ; 168 - command invalid for disk
+        .byte   ENOSPC          ; 169 - directory full
+        .byte   ENOENT          ; 170 - file not found
+        .byte   ESPIPE          ; 171 - point command invalid
+        .byte   EEXIST          ; 172 - [MYDOS] already exists in parent directory
+        .byte   EUNKNOWN        ; 173 - bad disk - format couldn't complete
+        .byte   EUNKNOWN        ; 174 - [MYDOS] directory not in parent directory
+        .byte   EUNKNOWN        ; 175 - [MYDOS] directory not empty
+        .byte   EUNKNOWN        ; 176 - [DOS 3] incompatible file system
+        .byte   EUNKNOWN        ; 177 - haven't found documentation
+        .byte   EUNKNOWN        ; 178 - haven't found documentation
+        .byte   EUNKNOWN        ; 179 - haven't found documentation
+        .byte   EUNKNOWN        ; 180 - not a binary file
+        .byte   EUNKNOWN        ; 181 - [MYDOS] invalid address range
+        .byte   EUNKNOWN        ; 182 - [XDOS] invalid parameter
 
-	.byte	EINVAL		; 183 - dummy (used by cc65 rtl, see sysremove.s)
+        .byte   EINVAL          ; 183 - dummy (used by cc65 rtl, see sysremove.s)
 
 MAX_OSERR_VAL = (* - maptable)
diff --git a/libsrc/atari/ostype.s b/libsrc/atari/ostype.s
index 86e88811d..d93b3ab88 100644
--- a/libsrc/atari/ostype.s
+++ b/libsrc/atari/ostype.s
@@ -4,149 +4,149 @@
 ;
 ; unsigned char get_ostype(void)
 ;
-; x x x x x x x x   -	8 bit flag
+; x x x x x x x x   -   8 bit flag
 ; | | | | | | | |
 ; | | | | | +-+-+-- main OS rev.
 ; | | +-+-+-------- minor OS rev.
 ; +-+-------------- unused
 ;
 ; main OS rev.:
-;	000 - unknown
-;	001 - 400/800 ROM
-;	010 - 1200XL ROM
-;	011 - XL/XE ROM
-;	1xx - unassigned
+;       000 - unknown
+;       001 - 400/800 ROM
+;       010 - 1200XL ROM
+;       011 - XL/XE ROM
+;       1xx - unassigned
 ; minor OS rev.: (depending on main OS rev.);
-;	400/800:
-;		000 - unknown
-;		001 - Rev. A PAL
-;		010 - Rev. B PAL
-;		011 - Rev. A NTSC
-;		100 - Rev. B NTSC
-;		101 - unassigned (up to 111)
-;	1200XL:
-;		000 - unknown
-;		001 - Rev. 10
-;		010 - Rev. 11
-;		011 - unassigned (up to 111)
-;	XL/XE:
-;		000 - unknown
-;		001 - Rev. 1
-;		010 - Rev. 2
-;		011 - Rev. 3
-;		100 - Rev. 4
-;		101 - unassigned (up to 111)
+;       400/800:
+;               000 - unknown
+;               001 - Rev. A PAL
+;               010 - Rev. B PAL
+;               011 - Rev. A NTSC
+;               100 - Rev. B NTSC
+;               101 - unassigned (up to 111)
+;       1200XL:
+;               000 - unknown
+;               001 - Rev. 10
+;               010 - Rev. 11
+;               011 - unassigned (up to 111)
+;       XL/XE:
+;               000 - unknown
+;               001 - Rev. 1
+;               010 - Rev. 2
+;               011 - Rev. 3
+;               100 - Rev. 4
+;               101 - unassigned (up to 111)
 ;
 
-	.export		_get_ostype
+        .export         _get_ostype
 
-.proc	_get_ostype
+.proc   _get_ostype
 
-	lda	$fcd8
-	cmp	#$a2
-	beq	_400800
-	lda	$fff1
-	cmp	#1
-	beq	_1200xl
-	lda	$fff7
-	cmp	#1
-	bcc	_unknown
-	cmp	#5
-	bcs	_unknown
+        lda     $fcd8
+        cmp     #$a2
+        beq     _400800
+        lda     $fff1
+        cmp     #1
+        beq     _1200xl
+        lda     $fff7
+        cmp     #1
+        bcc     _unknown
+        cmp     #5
+        bcs     _unknown
 
 ;XL/XE ROM
 
-	sec
-	asl	a
-	asl	a
-	asl	a
-	and	#%00111000
-	ora	#%11
-_fin:	ldx	#0
-	rts
+        sec
+        asl     a
+        asl     a
+        asl     a
+        and     #%00111000
+        ora     #%11
+_fin:   ldx     #0
+        rts
 
 ; unknown ROM
 
 _unknown:
-	lda	#0
-	tax
-	rts
+        lda     #0
+        tax
+        rts
 
 ; 1200XL ROM
 
 _1200xl:
-	lda	$fff7		; revision #
-	cmp	#10
-	beq	_1200_10
-	cmp	#11
-	beq	_1200_11
-	lda	#0		; for unknown
-	beq	_1200_fin
+        lda     $fff7           ; revision #
+        cmp     #10
+        beq     _1200_10
+        cmp     #11
+        beq     _1200_11
+        lda     #0              ; for unknown
+        beq     _1200_fin
 
 _1200_10:
-	lda	#%00001000
-	bne	_1200_fin
+        lda     #%00001000
+        bne     _1200_fin
 
 _1200_11:
-	lda	#%00010000
+        lda     #%00010000
 
 _1200_fin:
-	ora	#%010
-	bne	_fin
+        ora     #%010
+        bne     _fin
 
 ; 400/800 ROM
 
 _400800:
-	lda	$fff8
-	ldx	$fff9
-	cmp	#$dd
-	bne	_400800_1
-	cpx	#$57
-	bne	_400800_unknown
+        lda     $fff8
+        ldx     $fff9
+        cmp     #$dd
+        bne     _400800_1
+        cpx     #$57
+        bne     _400800_unknown
 
 ; 400/800 NTSC Rev. A
 
-	lda	#%00011001
-	bne	_fin
+        lda     #%00011001
+        bne     _fin
 
 ; 400/800 unknown
 
 _400800_unknown:
-	lda	#%00000001
-	bne	_fin
+        lda     #%00000001
+        bne     _fin
 
 _400800_1:
-	cmp	#$d6
-	bne	_400800_2
-	cpx	#$57
-	bne	_400800_unknown
+        cmp     #$d6
+        bne     _400800_2
+        cpx     #$57
+        bne     _400800_unknown
 
 ; 400/800 PAL Rev. A
 
-	lda	#%00001001
-	bne	_fin
+        lda     #%00001001
+        bne     _fin
 
 _400800_2:
-	cmp	#$f3
-	bne	_400800_3
-	cpx	#$e6
-	bne	_400800_unknown
+        cmp     #$f3
+        bne     _400800_3
+        cpx     #$e6
+        bne     _400800_unknown
 
 ; 400/800 NTSC Rev. B
 
-	lda	#%00100001
-	bne	_fin
+        lda     #%00100001
+        bne     _fin
 
 _400800_3:
 
-	cmp	#$22
-	bne	_400800_unknown
-	cpx	#$58
-	bne	_400800_unknown
+        cmp     #$22
+        bne     _400800_unknown
+        cpx     #$58
+        bne     _400800_unknown
 
 ; 400/800 PAL Rev. B
 
-	lda	#%00010001
-	bne	_fin
+        lda     #%00010001
+        bne     _fin
 
 .endproc
diff --git a/libsrc/atari/posixdirent.s b/libsrc/atari/posixdirent.s
index cb84fca71..3417e4bfc 100644
--- a/libsrc/atari/posixdirent.s
+++ b/libsrc/atari/posixdirent.s
@@ -1,161 +1,161 @@
 ; Native: Shawn Jefferson, December 2005
 ; POSIX: Stefan Haubenthal, April 2008
 
-		.include  "atari.inc"
-		.export	  _opendir, _readdir, _closedir
-		.import	  findfreeiocb, clriocb
-		.import	  __oserror, return0, __do_oserror
-		.importzp ptr1, tmp1
+                .include  "atari.inc"
+                .export   _opendir, _readdir, _closedir
+                .import   findfreeiocb, clriocb
+                .import   __oserror, return0, __do_oserror
+                .importzp ptr1, tmp1
 .ifdef  DEFAULT_DEVICE
-        	.import __defdev
+                .import __defdev
 .endif
 
 
-.proc	_opendir
-		sta	ptr1
-		stx	ptr1+1
-		jsr	findfreeiocb
-		beq	@iocbok
-		bne	cioerr
-@iocbok:	stx	diriocb
-		jsr	clriocb
-		ldx	diriocb
-		ldy	#0		; '.' -> "D:*.*"
-		lda	(ptr1),y
-		cmp	#'.'
-		bne	@use_parm
+.proc   _opendir
+                sta     ptr1
+                stx     ptr1+1
+                jsr     findfreeiocb
+                beq     @iocbok
+                bne     cioerr
+@iocbok:        stx     diriocb
+                jsr     clriocb
+                ldx     diriocb
+                ldy     #0              ; '.' -> "D:*.*"
+                lda     (ptr1),y
+                cmp     #'.'
+                bne     @use_parm
 
 ; "." was given as parameter, use default device/dir
 
 .ifdef DEFAULT_DEVICE
-		; construct a "Dn:*.*" like string from the default drive
-		lda	__defdev+1
-		sta	dddefdev+1	; copy drive number (overwrite 2nd 'D')
-		lda	#dddefdev
-		sta	ICBAH,x
-		bne	@cont
+                ; construct a "Dn:*.*" like string from the default drive
+                lda     __defdev+1
+                sta     dddefdev+1      ; copy drive number (overwrite 2nd 'D')
+                lda     #dddefdev
+                sta     ICBAH,x
+                bne     @cont
 .else
-		lda	#defdev
-		sta	ICBAH,x
-		bne	@cont
+                lda     #defdev
+                sta     ICBAH,x
+                bne     @cont
 .endif
 
-@use_parm:	lda	ptr1
-		sta	ICBAL,x
-		lda	ptr1+1
-		sta	ICBAH,x
-
-@cont:		lda	#OPEN
-		sta	ICCOM,x
-		lda	#OPNIN|DIRECT
-		sta	ICAX1,x
-		jsr	CIOV
-		bmi	cioerr
-		lda	#0
-		sta	__oserror
-		tax
-		lda	diriocb
-		rts
+@use_parm:      lda     ptr1
+                sta     ICBAL,x
+                lda     ptr1+1
+                sta     ICBAH,x
+
+@cont:          lda     #OPEN
+                sta     ICCOM,x
+                lda     #OPNIN|DIRECT
+                sta     ICAX1,x
+                jsr     CIOV
+                bmi     cioerr
+                lda     #0
+                sta     __oserror
+                tax
+                lda     diriocb
+                rts
 .endproc
 
-cioerr:		sty	__oserror
-		jmp	return0
-
-.proc	_readdir
-		tax
-		lda	#GETREC
-		sta	ICCOM,x
-		lda	#entry
-		sta	ICBAH,x
-		sta	ptr1+1
-		lda	#DSCTSZ
-		sta	ICBLL,x
-		lda	#0
-		sta	ICBLH,x
-		jsr	CIOV
-		bmi	cioerr
-		ldy	#0		; FREE SECTORS
-		lda	(ptr1),y
-		cmp	#'0'
-		bcs	cioerr
-		dey
-@next:		iny			; remove trailing spaces
-		iny
-		iny
-		lda	(ptr1),y
-		dey
-		dey
-		sta	(ptr1),y
-		cpy	#8
-		bcs	@break
-		cmp	#' '
-		bne	@next
-
-@break:		lda	#'.'		; extension dot
-		sta	(ptr1),y
-		iny			; copy extension
-		sty	tmp1
-		ldy	#10
-		lda	(ptr1),y
-		cmp	#' '
-		bne	@hasext
+cioerr:         sty     __oserror
+                jmp     return0
+
+.proc   _readdir
+                tax
+                lda     #GETREC
+                sta     ICCOM,x
+                lda     #entry
+                sta     ICBAH,x
+                sta     ptr1+1
+                lda     #DSCTSZ
+                sta     ICBLL,x
+                lda     #0
+                sta     ICBLH,x
+                jsr     CIOV
+                bmi     cioerr
+                ldy     #0              ; FREE SECTORS
+                lda     (ptr1),y
+                cmp     #'0'
+                bcs     cioerr
+                dey
+@next:          iny                     ; remove trailing spaces
+                iny
+                iny
+                lda     (ptr1),y
+                dey
+                dey
+                sta     (ptr1),y
+                cpy     #8
+                bcs     @break
+                cmp     #' '
+                bne     @next
+
+@break:         lda     #'.'            ; extension dot
+                sta     (ptr1),y
+                iny                     ; copy extension
+                sty     tmp1
+                ldy     #10
+                lda     (ptr1),y
+                cmp     #' '
+                bne     @hasext
 
 ; no extension present: remove the trailing dot and be done
-		ldy	tmp1
-		dey
-		bne	@done
-
-@hasext:	jsr	copychar
-		ldy	#13		; d_type
-		sta	(ptr1),y
-		ldy	#11
-		jsr	copychar
-		ldy	#12
-		jsr	copychar
-
-@done:		lda	#0		; end of string
-		sta	(ptr1),y
-		lda	ptr1
-		ldx	ptr1+1
-		rts
-
-
-copychar:	lda	(ptr1),y	; src=y dest=tmp1
- 		ldy	tmp1
-		cmp	#' '
-		beq	@break
-		sta	(ptr1),y
-		iny
-		sty	tmp1
-@break:		rts
+                ldy     tmp1
+                dey
+                bne     @done
+
+@hasext:        jsr     copychar
+                ldy     #13             ; d_type
+                sta     (ptr1),y
+                ldy     #11
+                jsr     copychar
+                ldy     #12
+                jsr     copychar
+
+@done:          lda     #0              ; end of string
+                sta     (ptr1),y
+                lda     ptr1
+                ldx     ptr1+1
+                rts
+
+
+copychar:       lda     (ptr1),y        ; src=y dest=tmp1
+                ldy     tmp1
+                cmp     #' '
+                beq     @break
+                sta     (ptr1),y
+                iny
+                sty     tmp1
+@break:         rts
 .endproc
 
-.proc	_closedir
-		tax
-		lda	#CLOSE
-		sta	ICCOM,x
-		jsr	CIOV
-		bmi	@cioerr
-		ldx	#0
-		stx	__oserror		; clear system specific error code
-		txa
-		rts
-@cioerr:	jmp	__do_oserror
+.proc   _closedir
+                tax
+                lda     #CLOSE
+                sta     ICCOM,x
+                jsr     CIOV
+                bmi     @cioerr
+                ldx     #0
+                stx     __oserror               ; clear system specific error code
+                txa
+                rts
+@cioerr:        jmp     __do_oserror
 .endproc
 
-		.data
+                .data
 .ifdef DEFAULT_DEVICE
-dddefdev:	.byte	"D"
+dddefdev:       .byte   "D"
 .endif
-defdev:		.asciiz	"D:*.*"
+defdev:         .asciiz "D:*.*"
 
-		.bss
-diriocb:	.res	1
-entry:		.res	DSCTSZ
+                .bss
+diriocb:        .res    1
+entry:          .res    DSCTSZ
diff --git a/libsrc/atari/randomize.s b/libsrc/atari/randomize.s
index 067bcc151..ed4400b55 100644
--- a/libsrc/atari/randomize.s
+++ b/libsrc/atari/randomize.s
@@ -5,13 +5,13 @@
 ; /* Initialize the random number generator */
 ;
 
-	.export		__randomize
-	.import		_srand
+        .export         __randomize
+        .import         _srand
 
-	.include	"atari.inc"
+        .include        "atari.inc"
 
-__randomize:		  
-	ldx	VCOUNT		; Use vertical line counter as high byte
-	lda	RTCLOK+2	; Use clock as low byte
-	jmp	_srand		; Initialize generator
+__randomize:              
+        ldx     VCOUNT          ; Use vertical line counter as high byte
+        lda     RTCLOK+2        ; Use clock as low byte
+        jmp     _srand          ; Initialize generator
 
diff --git a/libsrc/atari/read.s b/libsrc/atari/read.s
index 19d33cb66..acb415efd 100644
--- a/libsrc/atari/read.s
+++ b/libsrc/atari/read.s
@@ -4,120 +4,120 @@
 ; int __fastcall__ read(int fd,void *buf,int count)
 ;
 
-	.include "atari.inc"
-	.import __rwsetup,__do_oserror,__inviocb,__oserror
-	.export	_read
-
-_read:	jsr  	__rwsetup	; do common setup for read and write
-	beq  	done		; if size 0, it's a no-op
-	cpx  	#$FF		; invalid iocb?
-	beq  	_inviocb
-
-.ifdef	LINEBUF
-	; E: should be always at IOCB #0
-	; fixme: what happens when user closes and reopens stdin?
-	cpx  	#0		; E: handler (line oriented keyboard input)?
-	beq  	do_line
+        .include "atari.inc"
+        .import __rwsetup,__do_oserror,__inviocb,__oserror
+        .export _read
+
+_read:  jsr     __rwsetup       ; do common setup for read and write
+        beq     done            ; if size 0, it's a no-op
+        cpx     #$FF            ; invalid iocb?
+        beq     _inviocb
+
+.ifdef  LINEBUF
+        ; E: should be always at IOCB #0
+        ; fixme: what happens when user closes and reopens stdin?
+        cpx     #0              ; E: handler (line oriented keyboard input)?
+        beq     do_line
 .endif
 
-	lda  	#GETCHR		; iocb command code
-	sta  	ICCOM,x
-	jsr  	CIOV		; read it
-	bpl  	done
-	cpy  	#EOFERR		; eof is treated specially
-	beq  	done
-	jmp  	__do_oserror	; update errno
-
-done:	lda  	ICBLL,x		; buf len lo
-	pha  			; save
-	lda  	ICBLH,x		; get buf len hi
-	tax  			; to X
-okdone:	lda  	#0
-	sta  	__oserror	; clear system dependend error code
-	pla  			; get buf len lo
-	rts
+        lda     #GETCHR         ; iocb command code
+        sta     ICCOM,x
+        jsr     CIOV            ; read it
+        bpl     done
+        cpy     #EOFERR         ; eof is treated specially
+        beq     done
+        jmp     __do_oserror    ; update errno
+
+done:   lda     ICBLL,x         ; buf len lo
+        pha                     ; save
+        lda     ICBLH,x         ; get buf len hi
+        tax                     ; to X
+okdone: lda     #0
+        sta     __oserror       ; clear system dependend error code
+        pla                     ; get buf len lo
+        rts
 
 _inviocb:
-	jmp  	__inviocb
+        jmp     __inviocb
 
 
-.ifdef	LINEBUF
+.ifdef  LINEBUF
 
 ; line oriented input
 
-	.segment	"EXTZP" : zeropage
+        .segment        "EXTZP" : zeropage
 
-index:	.res 	1		; index into line buffer
-buflen:	.res 	1		; length of used part of buffer
-cbs:	.res 	1		; current buffer size: buflen - index
-dataptr:.res 	2		; temp pointer to user buffer
-copylen:.res 	1		; temp counter
+index:  .res    1               ; index into line buffer
+buflen: .res    1               ; length of used part of buffer
+cbs:    .res    1               ; current buffer size: buflen - index
+dataptr:.res    2               ; temp pointer to user buffer
+copylen:.res    1               ; temp counter
 
-	.bss
+        .bss
 
-linebuf:.res	LINEBUF		; the line buffer
+linebuf:.res    LINEBUF         ; the line buffer
 
         .code
 
 do_line:
-	lda	buflen		; line buffer active?
-	bne	use_buf		; yes, get data from there
-
-	; save user buffer address & length
-	; update IOCB to point to line buffer
-	lda	ICBLL,x
-	pha
-	lda	#LINEBUF
-	sta	ICBLL,x
-	;--------
-	lda	ICBLH,x
-	pha
-	lda	#0
-	sta	ICBLH,x
-	;--------
-	lda	ICBAL,x
-	pha
-	lda	#linebuf
-	sta	ICBAH,x
-
-	lda	#GETREC
-	sta	ICCOM,x
-	jsr	CIOV		; read input data
-	bpl	newbuf
-	cpy	#EOFERR		; eof is treated specially
-	beq	newbuf
-	pla			; fix stack
-	pla
-	pla
-	pla
-	jmp	__do_oserror	; update errno
+        lda     buflen          ; line buffer active?
+        bne     use_buf         ; yes, get data from there
+
+        ; save user buffer address & length
+        ; update IOCB to point to line buffer
+        lda     ICBLL,x
+        pha
+        lda     #LINEBUF
+        sta     ICBLL,x
+        ;--------
+        lda     ICBLH,x
+        pha
+        lda     #0
+        sta     ICBLH,x
+        ;--------
+        lda     ICBAL,x
+        pha
+        lda     #linebuf
+        sta     ICBAH,x
+
+        lda     #GETREC
+        sta     ICCOM,x
+        jsr     CIOV            ; read input data
+        bpl     newbuf
+        cpy     #EOFERR         ; eof is treated specially
+        beq     newbuf
+        pla                     ; fix stack
+        pla
+        pla
+        pla
+        jmp     __do_oserror    ; update errno
 
 newbuf:
-	lda	ICBLL,x		; get # of bytes read
-	sta	buflen
-	lda  	#0
-	sta	index		; fresh buffer
-
-	; restore user buffer address & length
-	pla
-	sta	ICBAH,x
-	;--------
-	pla
-	sta	ICBAL,x
-	;--------
-	pla
-	sta	ICBLH,x
-	;--------
-	pla
-	sta	ICBLL,x
-
-	; fall into use_buf
-	lda	buflen
+        lda     ICBLL,x         ; get # of bytes read
+        sta     buflen
+        lda     #0
+        sta     index           ; fresh buffer
+
+        ; restore user buffer address & length
+        pla
+        sta     ICBAH,x
+        ;--------
+        pla
+        sta     ICBAL,x
+        ;--------
+        pla
+        sta     ICBLH,x
+        ;--------
+        pla
+        sta     ICBLL,x
+
+        ; fall into use_buf
+        lda     buflen
 
 ; return bytes from line buffer
 ; use buflen and index to access buffer
@@ -125,58 +125,58 @@ newbuf:
 ; use dataptr as a temporary pointer
 
 use_buf:
-	sec
-	sbc	index		; size of unread data in the buffer
-	sta	cbs
+        sec
+        sbc     index           ; size of unread data in the buffer
+        sta     cbs
 
-	lda	ICBLL,x		; buf len lo
-	cmp	cbs		; larger than buffer size?
-	beq	bl1
-	bcs	btsmall		; yes, adjust length
+        lda     ICBLL,x         ; buf len lo
+        cmp     cbs             ; larger than buffer size?
+        beq     bl1
+        bcs     btsmall         ; yes, adjust length
 
-bl1:	lda	ICBLH,x		; get buf len hi
-	bne	btsmall		; buffer too small: buffer contents < read size
+bl1:    lda     ICBLH,x         ; get buf len hi
+        bne     btsmall         ; buffer too small: buffer contents < read size
 
 ; copy ICBLL,x bytes
 
 icbll_copy:
 
-	lda	ICBAL,x		; buffer address
-	sta	dataptr
-	lda  	ICBAH,x		; buffer address
-	sta	dataptr+1
-	lda	ICBLL,x
-	sta	copylen
-	pha			; remember for return value
-	ldy	#0
-	ldx	index
-
-copy:	lda	linebuf,x
-	sta	(dataptr),y
-	iny
-	inx
-	dec	copylen
-	bne	copy
-
-	pla			; length
-	pha			; save length to return at okdone
-
-	clc
-	adc	index
-	sta	index
-	cmp	buflen		; buffer used up?
-	bcc	c1		; not yet
-
-	lda	#0
-	sta	buflen		; indicate empty line buffer
-
-c1:	ldx	#0
-	jmp	okdone		; return to caller
+        lda     ICBAL,x         ; buffer address
+        sta     dataptr
+        lda     ICBAH,x         ; buffer address
+        sta     dataptr+1
+        lda     ICBLL,x
+        sta     copylen
+        pha                     ; remember for return value
+        ldy     #0
+        ldx     index
+
+copy:   lda     linebuf,x
+        sta     (dataptr),y
+        iny
+        inx
+        dec     copylen
+        bne     copy
+
+        pla                     ; length
+        pha                     ; save length to return at okdone
+
+        clc
+        adc     index
+        sta     index
+        cmp     buflen          ; buffer used up?
+        bcc     c1              ; not yet
+
+        lda     #0
+        sta     buflen          ; indicate empty line buffer
+
+c1:     ldx     #0
+        jmp     okdone          ; return to caller
 
 btsmall:
-	lda	cbs
-	sta	ICBLL,x
-	bpl	icbll_copy
+        lda     cbs
+        sta     ICBLL,x
+        bpl     icbll_copy
 
-.endif		; .ifdef LINEBUF
+.endif          ; .ifdef LINEBUF
 
diff --git a/libsrc/atari/revers.s b/libsrc/atari/revers.s
index ff22dbf28..719503940 100644
--- a/libsrc/atari/revers.s
+++ b/libsrc/atari/revers.s
@@ -3,26 +3,26 @@
 ;
 ; unsigned char revers (unsigned char onoff);
 ;
-	.include "atari.inc"
-	
-      	.export		_revers
-	.export		_revflag
+        .include "atari.inc"
+        
+        .export         _revers
+        .export         _revflag
 
 _revers:
-	ldx    	#$00		; Assume revers off
-	tay			; Test onoff
-	beq	L1		; Jump if off
-	ldx	#$80		; Load on value
-L1:	ldy	#$00		; Assume old value is zero
-	lda    	_revflag	; Load old value
-	stx	_revflag	; Set new value
-	beq	L2		; Jump if old value zero
-	iny			; Make old value = 1
-L2:	ldx	#$00		; Load high byte of result
-	tya			; Load low byte, set CC
-	rts
+        ldx     #$00            ; Assume revers off
+        tay                     ; Test onoff
+        beq     L1              ; Jump if off
+        ldx     #$80            ; Load on value
+L1:     ldy     #$00            ; Assume old value is zero
+        lda     _revflag        ; Load old value
+        stx     _revflag        ; Set new value
+        beq     L2              ; Jump if old value zero
+        iny                     ; Make old value = 1
+L2:     ldx     #$00            ; Load high byte of result
+        tya                     ; Load low byte, set CC
+        rts
 
-	.bss
+        .bss
 
 _revflag:
-	.res	1
+        .res    1
diff --git a/libsrc/atari/rs232.s_ b/libsrc/atari/rs232.s_
index 843827fb6..35f20ca4f 100644
--- a/libsrc/atari/rs232.s_
+++ b/libsrc/atari/rs232.s_
@@ -11,43 +11,43 @@
 ; unsigned char __fastcall__ rs232_pause (void); [TODO]
 ; unsigned char __fastcall__ rs232_unpause (void); [TODO]
 ; unsigned char __fastcall__ rs232_status (unsigned char* status,
-;					   unsigned char* errors); [TODO]
+;                                          unsigned char* errors); [TODO]
 ;
 
-	.import		findfreeiocb
-	.import		__do_oserror
-	.import		fddecusage
-	.import		fdtoiocb
-	.import		__inviocb
-	.import		clriocb
-	.import		newfd
-	.import		_close, pushax, popax, popa
-	.importzp	ptr1, tmp2, tmp3
-
-	.export	       	_rs232_init, _rs232_params, _rs232_done, _rs232_get
-	.export	      	_rs232_put, _rs232_pause, _rs232_unpause, _rs232_status
-
-	.include	"atari.inc"
-	.include	"errno.inc"
+        .import         findfreeiocb
+        .import         __do_oserror
+        .import         fddecusage
+        .import         fdtoiocb
+        .import         __inviocb
+        .import         clriocb
+        .import         newfd
+        .import         _close, pushax, popax, popa
+        .importzp       ptr1, tmp2, tmp3
+
+        .export         _rs232_init, _rs232_params, _rs232_done, _rs232_get
+        .export         _rs232_put, _rs232_pause, _rs232_unpause, _rs232_status
+
+        .include        "atari.inc"
+        .include        "errno.inc"
         .include        "rs232.inc"
 
-	.rodata
+        .rodata
 
-rdev:	.byte	"R:", ATEOL, 0
+rdev:   .byte   "R:", ATEOL, 0
 
-	.bss
+        .bss
 
 ; receive buffer
 RECVBUF_SZ = 256
-recv_buf: .res	RECVBUF_SZ
+recv_buf: .res  RECVBUF_SZ
 
-cm_run:	.res	1	; concurrent mode running?
+cm_run: .res    1       ; concurrent mode running?
 
-	.data
+        .data
 
-rshand:	.word	$ffff
+rshand: .word   $ffff
 
-	.code
+        .code
 
 ;----------------------------------------------------------------------------
 ;
@@ -57,60 +57,60 @@ rshand:	.word	$ffff
 ;  */
 ;
 
-.proc	_rs232_init
-
-	jsr	findfreeiocb
-	bne	init_err
-	txa
-	tay			; move iocb # into Y
-	lda	#3
-	sta	tmp3		; name length + 1
-	lda	#rdev
-	jsr	newfd
-	tya
-	bcs	doopen		; C set: open needed / device not already open
-
-	pha
-	jsr	_rs232_done	;** shut down if started  @@@TODO check this out!!
-	pla
-
-doopen:	tax
-	pha
-	jsr	clriocb
-	pla
-	tax
-	lda	#rdev
-	sta	ICBAH,x
-	lda	#OPEN
-	sta	ICCOM,x
-
- 	lda	#$0D		; mode in+out+concurrent
-	sta	ICAX1,x
-	lda	#0
-	sta	ICAX2,x
-	sta	ICBLL,x		; zap buf len
-	sta	ICBLH,x
-	jsr	CIOV
-	bmi	cioerr1
-
-	lda	tmp2		; get fd
-	sta	rshand
-	ldx	#0
-	stx	rshand+1
-	txa
-	rts
-
-cioerr1:jsr	fddecusage	; decrement usage counter of fd as open failed
+.proc   _rs232_init
+
+        jsr     findfreeiocb
+        bne     init_err
+        txa
+        tay                     ; move iocb # into Y
+        lda     #3
+        sta     tmp3            ; name length + 1
+        lda     #rdev
+        jsr     newfd
+        tya
+        bcs     doopen          ; C set: open needed / device not already open
+
+        pha
+        jsr     _rs232_done     ;** shut down if started  @@@TODO check this out!!
+        pla
+
+doopen: tax
+        pha
+        jsr     clriocb
+        pla
+        tax
+        lda     #rdev
+        sta     ICBAH,x
+        lda     #OPEN
+        sta     ICCOM,x
+
+        lda     #$0D            ; mode in+out+concurrent
+        sta     ICAX1,x
+        lda     #0
+        sta     ICAX2,x
+        sta     ICBLL,x         ; zap buf len
+        sta     ICBLH,x
+        jsr     CIOV
+        bmi     cioerr1
+
+        lda     tmp2            ; get fd
+        sta     rshand
+        ldx     #0
+        stx     rshand+1
+        txa
+        rts
+
+cioerr1:jsr     fddecusage      ; decrement usage counter of fd as open failed
 
 init_err:
-	ldx	#0
-	lda	#RS_ERR_INIT_FAILED
-	rts
+        ldx     #0
+        lda     #RS_ERR_INIT_FAILED
+        rts
 
-.endproc	; _rs232_init
+.endproc        ; _rs232_init
 
 
 ;----------------------------------------------------------------------------
@@ -126,64 +126,64 @@ init_err:
 ; using 8 bit word size. So only 8 bit is currently tested.
 ;
 
-.proc	_rs232_params
-
-	sta	tmp2
-	lda	rshand
-	cmp	#$ff
-	bne	work		; work only if initialized
-	lda	#RS_ERR_NOT_INITIALIZED
-	bne	done
-work:	lda	rshand
-	ldx	#0
-	jsr	fdtoiocb	; get iocb index into X
-	bmi	inverr		; shouldn't happen
-	tax
-
-	; set handshake lines
-
-	lda	#34		; xio 34, set cts, dtr etc
-	sta	ICCOM,x
-	lda	#192+48+3	; DTR on, RTS on, XMT on
-	sta	ICAX1,x
-	lda	#0
-	sta	ICBLL,x
-	sta	ICBLH,x
-	sta	ICBAL,x
-	sta	ICBAH,x
-	sta	ICAX2,x
-	jsr	CIOV
-	bmi	cioerr
-
-	; set baud rate, word size, stop bits and ready monitoring
-
-	lda	#36		; xio 36, baud rate
-	sta	ICCOM,x
-	jsr	popa		; get parameter
-	sta	ICAX1,x
-	;ICAX2 = 0, monitor nothing
-	jsr	CIOV
-	bmi	cioerr
-
-	; set translation and parity
-
-	lda	#38		; xio 38, translation and parity
-	sta	ICCOM,x
-	lda	tmp2
-	ora	#32		; no translation
-	sta	ICAX1,x
-	jsr	CIOV
-	bmi	cioerr
-
-	lda	#0
-done:	ldx	#0
-	rts
-
-inverr:	jmp	__inviocb
-
-.endproc	;_rs232_params
-
-cioerr:	jmp	__do_oserror
+.proc   _rs232_params
+
+        sta     tmp2
+        lda     rshand
+        cmp     #$ff
+        bne     work            ; work only if initialized
+        lda     #RS_ERR_NOT_INITIALIZED
+        bne     done
+work:   lda     rshand
+        ldx     #0
+        jsr     fdtoiocb        ; get iocb index into X
+        bmi     inverr          ; shouldn't happen
+        tax
+
+        ; set handshake lines
+
+        lda     #34             ; xio 34, set cts, dtr etc
+        sta     ICCOM,x
+        lda     #192+48+3       ; DTR on, RTS on, XMT on
+        sta     ICAX1,x
+        lda     #0
+        sta     ICBLL,x
+        sta     ICBLH,x
+        sta     ICBAL,x
+        sta     ICBAH,x
+        sta     ICAX2,x
+        jsr     CIOV
+        bmi     cioerr
+
+        ; set baud rate, word size, stop bits and ready monitoring
+
+        lda     #36             ; xio 36, baud rate
+        sta     ICCOM,x
+        jsr     popa            ; get parameter
+        sta     ICAX1,x
+        ;ICAX2 = 0, monitor nothing
+        jsr     CIOV
+        bmi     cioerr
+
+        ; set translation and parity
+
+        lda     #38             ; xio 38, translation and parity
+        sta     ICCOM,x
+        lda     tmp2
+        ora     #32             ; no translation
+        sta     ICAX1,x
+        jsr     CIOV
+        bmi     cioerr
+
+        lda     #0
+done:   ldx     #0
+        rts
+
+inverr: jmp     __inviocb
+
+.endproc        ;_rs232_params
+
+cioerr: jmp     __do_oserror
 
 
 ;----------------------------------------------------------------------------
@@ -196,28 +196,28 @@ cioerr:	jmp	__do_oserror
 ;  */
 ;
 
-.proc	_rs232_done
-
-	lda	rshand
-	cmp	#$ff
-	beq	done
-work:	ldx	rshand+1
-	jsr	pushax
-	jsr	_close
-	pha
-	txa
-	pha
-	ldx	#$ff
-	stx	rshand
-	stx	rshand+1
-	inx
-	stx	cm_run
-	pla
-	tax
-	pla
-done:	rts
-
-.endproc	;rs232_done
+.proc   _rs232_done
+
+        lda     rshand
+        cmp     #$ff
+        beq     done
+work:   ldx     rshand+1
+        jsr     pushax
+        jsr     _close
+        pha
+        txa
+        pha
+        ldx     #$ff
+        stx     rshand
+        stx     rshand+1
+        inx
+        stx     cm_run
+        pla
+        tax
+        pla
+done:   rts
+
+.endproc        ;rs232_done
 
 
 ;----------------------------------------------------------------------------
@@ -228,61 +228,61 @@ done:	rts
 ;  */
 ;
 
-.proc	_rs232_get
+.proc   _rs232_get
 
-	ldy	rshand
-	cpy	#$ff
-	bne	work		; work only if initialized
-	lda	#RS_ERR_NOT_INITIALIZED
-	bne	nierr
+        ldy     rshand
+        cpy     #$ff
+        bne     work            ; work only if initialized
+        lda     #RS_ERR_NOT_INITIALIZED
+        bne     nierr
 
-work: 	sta	ptr1
- 	stx	ptr1+1		; store pointer to received char
+work:   sta     ptr1
+        stx     ptr1+1          ; store pointer to received char
 
-	lda	rshand
-	ldx	#0
-	jsr	fdtoiocb
-	tax
-	lda	cm_run		; concurrent mode already running?
-	bne	go
-	jsr	ena_cm		; turn on concurrent mode
+        lda     rshand
+        ldx     #0
+        jsr     fdtoiocb
+        tax
+        lda     cm_run          ; concurrent mode already running?
+        bne     go
+        jsr     ena_cm          ; turn on concurrent mode
 
-go:	; check whether there is any input available
+go:     ; check whether there is any input available
 
-	lda	#STATIS		; status request, returns bytes pending
-	sta	ICCOM,x
-	jsr	CIOV
-	bmi	cioerr		; @@@ error handling
+        lda     #STATIS         ; status request, returns bytes pending
+        sta     ICCOM,x
+        jsr     CIOV
+        bmi     cioerr          ; @@@ error handling
 
-	lda	DVSTAT+1	; get byte count pending
-	ora	DVSTAT+2
-	beq	nix_da		; no input waiting...
+        lda     DVSTAT+1        ; get byte count pending
+        ora     DVSTAT+2
+        beq     nix_da          ; no input waiting...
 
-	; input is available: get it!
+        ; input is available: get it!
 
-	lda	#GETCHR		; get raw bytes
-	sta	ICCOM,x		; in command code
-	lda	#0
-	sta	ICBLL,x
-	sta	ICBLH,x
-	sta	ICBAL,x
-	sta	ICBAH,x
-	jsr	CIOV		; go get it
-	bmi	cioerr		; @@@ error handling
+        lda     #GETCHR         ; get raw bytes
+        sta     ICCOM,x         ; in command code
+        lda     #0
+        sta     ICBLL,x
+        sta     ICBLH,x
+        sta     ICBAL,x
+        sta     ICBAH,x
+        jsr     CIOV            ; go get it
+        bmi     cioerr          ; @@@ error handling
 
-	ldx	#0
-	sta	(ptr1,x)	; return received byte
-	txa
-	rts
+        ldx     #0
+        sta     (ptr1,x)        ; return received byte
+        txa
+        rts
 
-nierr:	ldx	#0
-	rts
+nierr:  ldx     #0
+        rts
 
-nix_da:	lda	#RS_ERR_NO_DATA
-   	ldx 	#0
-   	rts
+nix_da: lda     #RS_ERR_NO_DATA
+        ldx     #0
+        rts
 
-.endproc	;_rs232_get
+.endproc        ;_rs232_get
 
 
 ;----------------------------------------------------------------------------
@@ -294,39 +294,39 @@ nix_da:	lda	#RS_ERR_NO_DATA
 ;  */
 ;
 
-.proc	_rs232_put
-
-	ldy	rshand
-	cpy	#$ff
-	bne	work		; work only if initialized
-	lda	#RS_ERR_NOT_INITIALIZED
-	bne	nierr
-
-work:	pha
-	lda	rshand
-	ldx	#0
-	jsr	fdtoiocb
-	tax
-	lda	cm_run		; concurrent mode already running?
-	bne	go
-	jsr	ena_cm		; turn on concurrent mode
-
-	; @@@TODO:	 check output buffer overflow
-go:	lda	#PUTCHR		; put raw bytes
-	sta	ICCOM,x		; in command code
-	lda	#0
-	sta	ICBLL,x
-	sta	ICBLH,x
-	sta	ICBAL,x
-	sta	ICBAH,x
-	pla			; get the char back
-	jsr	CIOV		; go do it
-	rts
-
-nierr:	ldx	#0
-	rts
-
-.endproc	;_rs232_put
+.proc   _rs232_put
+
+        ldy     rshand
+        cpy     #$ff
+        bne     work            ; work only if initialized
+        lda     #RS_ERR_NOT_INITIALIZED
+        bne     nierr
+
+work:   pha
+        lda     rshand
+        ldx     #0
+        jsr     fdtoiocb
+        tax
+        lda     cm_run          ; concurrent mode already running?
+        bne     go
+        jsr     ena_cm          ; turn on concurrent mode
+
+        ; @@@TODO:       check output buffer overflow
+go:     lda     #PUTCHR         ; put raw bytes
+        sta     ICCOM,x         ; in command code
+        lda     #0
+        sta     ICBLL,x
+        sta     ICBLH,x
+        sta     ICBAL,x
+        sta     ICBAH,x
+        pla                     ; get the char back
+        jsr     CIOV            ; go do it
+        rts
+
+nierr:  ldx     #0
+        rts
+
+.endproc        ;_rs232_put
 
 ;----------------------------------------------------------------------------
 ;
@@ -349,41 +349,41 @@ _rs232_unpause:
 ;----------------------------------------------------------------------------
 ;
 ; unsigned char __fastcall__ rs232_status (unsigned char* status,
-;					   unsigned char* errors);
+;                                          unsigned char* errors);
 ; /* Return the serial port status. */
 ;
 
 _rs232_status:
 
-	lda	#255
-	tax
-	rts
+        lda     #255
+        tax
+        rts
 
 
 ; enable concurrent rs232 mode
 ; gets iocb index in X
 ; all registers destroyed
 
-.proc	ena_cm
-
-	lda	#40		; XIO 40, start concurrent IO
-	sta	ICCOM,x
-	sta	cm_run		; indicate concurrent mode is running
-	lda	#0
-	sta	ICAX1,x
-	sta	ICAX2,x
-	lda	#recv_buf
-	sta	ICBAH,x
-	lda	#RECVBUF_SZ
-	sta	ICBLH,x
-	lda	#$0D		; value from 850 man, p62.  must be 0D?,
-	sta	ICAX1,x		;  or any non-zero?
-	jmp	CIOV
-
-.endproc	;ena_cm
-
-	.end
+.proc   ena_cm
+
+        lda     #40             ; XIO 40, start concurrent IO
+        sta     ICCOM,x
+        sta     cm_run          ; indicate concurrent mode is running
+        lda     #0
+        sta     ICAX1,x
+        sta     ICAX2,x
+        lda     #recv_buf
+        sta     ICBAH,x
+        lda     #RECVBUF_SZ
+        sta     ICBLH,x
+        lda     #$0D            ; value from 850 man, p62.  must be 0D?,
+        sta     ICAX1,x         ;  or any non-zero?
+        jmp     CIOV
+
+.endproc        ;ena_cm
+
+        .end
diff --git a/libsrc/atari/rwcommon.s b/libsrc/atari/rwcommon.s
index 349c7be01..5f51cc5f7 100644
--- a/libsrc/atari/rwcommon.s
+++ b/libsrc/atari/rwcommon.s
@@ -2,42 +2,42 @@
 ; common iocb setup routine for read, write
 ; expects __fastcall__ parameters (int fd, void *buf, int count)
 ;
-	.include "atari.inc"
-	.include "errno.inc"
-	.import popax
-	.import	fdtoiocb
+        .include "atari.inc"
+        .include "errno.inc"
+        .import popax
+        .import fdtoiocb
 
-	.export __rwsetup
+        .export __rwsetup
 
 
 __rwsetup:
 
-	pha			; push size in stack
-	txa
-	pha
-	jsr	popax		; get buffer address
-	pha
-	txa
-	pha
-	jsr	popax		; get handle
-	jsr	fdtoiocb	; convert to iocb
-	bmi	iocberr		; negative (X=$FF or A>$7F) on error.
-	tax
-	pla			; store address
-	sta	ICBAH,x
-	pla
-	sta	ICBAL,x
-	pla			; store length
-	sta	ICBLH,x
-	pla
-	sta	ICBLL,x
-	ora	ICBLH,x		; returns Z if length is 0
-	rts
+        pha                     ; push size in stack
+        txa
+        pha
+        jsr     popax           ; get buffer address
+        pha
+        txa
+        pha
+        jsr     popax           ; get handle
+        jsr     fdtoiocb        ; convert to iocb
+        bmi     iocberr         ; negative (X=$FF or A>$7F) on error.
+        tax
+        pla                     ; store address
+        sta     ICBAH,x
+        pla
+        sta     ICBAL,x
+        pla                     ; store length
+        sta     ICBLH,x
+        pla
+        sta     ICBLL,x
+        ora     ICBLH,x         ; returns Z if length is 0
+        rts
 
 iocberr:pla
-	pla
-	pla
-	pla
-	ldx	#$FF		; indicate error + clear ZF
-	rts
+        pla
+        pla
+        pla
+        ldx     #$FF            ; indicate error + clear ZF
+        rts
 
diff --git a/libsrc/atari/savevec.s b/libsrc/atari/savevec.s
index d2de4ef30..dd6dda125 100644
--- a/libsrc/atari/savevec.s
+++ b/libsrc/atari/savevec.s
@@ -6,10 +6,10 @@
 ; void _rest_vecs(void);
 ;
 
-	.export	__save_vecs,__rest_vecs
-.include	"atari.inc"
+        .export __save_vecs,__rest_vecs
+.include        "atari.inc"
 
-	.bss
+        .bss
 
 old_dli:     .res 2
 old_dlist:   .res 2
@@ -20,86 +20,86 @@ old_dma:     .res 1
 old_prior:   .res 1
 old_cols:    .res 8
 old_set:     .res 1
-old_rmargin: .res 1	; lmargin saved in startup code
+old_rmargin: .res 1     ; lmargin saved in startup code
 
-	.code
+        .code
 
-.proc	__save_vecs
+.proc   __save_vecs
 
-	lda    	VDSLST
-	sta	old_dli
-	lda	VDSLST+1
-       	sta	old_dli+1
-	lda    	SDLSTL
-	sta	old_dlist
-	lda	SDLSTL+1
-       	sta	old_dlist+1
-	lda    	VVBLKI
-	sta	old_vbi
-	lda	VVBLKI+1
-       	sta	old_vbi+1
-	lda    	VVBLKD
-	sta	old_vbd
-	lda	VVBLKD+1
-       	sta	old_vbd+1
-	lda	GRACTL
-	sta    	old_gra
-	lda    	SDMCTL
-	sta	old_dma
-	lda	GPRIOR
-       	sta	old_prior
-	lda    	CHBAS
-	sta	old_set
-	lda    	RMARGN
-	sta	old_rmargin
+        lda     VDSLST
+        sta     old_dli
+        lda     VDSLST+1
+        sta     old_dli+1
+        lda     SDLSTL
+        sta     old_dlist
+        lda     SDLSTL+1
+        sta     old_dlist+1
+        lda     VVBLKI
+        sta     old_vbi
+        lda     VVBLKI+1
+        sta     old_vbi+1
+        lda     VVBLKD
+        sta     old_vbd
+        lda     VVBLKD+1
+        sta     old_vbd+1
+        lda     GRACTL
+        sta     old_gra
+        lda     SDMCTL
+        sta     old_dma
+        lda     GPRIOR
+        sta     old_prior
+        lda     CHBAS
+        sta     old_set
+        lda     RMARGN
+        sta     old_rmargin
 
-	ldy	#7
+        ldy     #7
 SETUP1:
-	lda	PCOLR0,y
-	sta	old_cols,y
-	dey
-	bpl	SETUP1
-	rts
+        lda     PCOLR0,y
+        sta     old_cols,y
+        dey
+        bpl     SETUP1
+        rts
 
 .endproc
 
-.proc	__rest_vecs
+.proc   __rest_vecs
 
-	lda	#6
-	ldx	old_vbi+1
-	ldy	old_vbi
-	jsr	SETVBV
-	lda	#7
-	ldx	old_vbd+1
-	ldy	old_vbd
-	jsr	SETVBV
-	lda    	old_dli
-	sta	VDSLST
-	lda	old_dli+1
-       	sta	VDSLST+1
-	lda    	old_dlist
-	sta	SDLSTL
-	lda	old_dlist+1
-       	sta	SDLSTL+1
-	lda    	old_gra
-	sta	GRACTL
-	lda	old_prior
-       	sta	GPRIOR
-	lda    	old_dma
-	sta	SDMCTL
-	lda    	old_set
-	sta	CHBAS
-	lda	old_rmargin
-	sta    	RMARGN
-	lda	#$FF
-	sta	CH
-	ldy	#7
+        lda     #6
+        ldx     old_vbi+1
+        ldy     old_vbi
+        jsr     SETVBV
+        lda     #7
+        ldx     old_vbd+1
+        ldy     old_vbd
+        jsr     SETVBV
+        lda     old_dli
+        sta     VDSLST
+        lda     old_dli+1
+        sta     VDSLST+1
+        lda     old_dlist
+        sta     SDLSTL
+        lda     old_dlist+1
+        sta     SDLSTL+1
+        lda     old_gra
+        sta     GRACTL
+        lda     old_prior
+        sta     GPRIOR
+        lda     old_dma
+        sta     SDMCTL
+        lda     old_set
+        sta     CHBAS
+        lda     old_rmargin
+        sta     RMARGN
+        lda     #$FF
+        sta     CH
+        ldy     #7
 SETUP2:
-	lda	old_cols,Y
-	sta	PCOLR0,Y
-	dey
-	bpl	SETUP2
-	rts
+        lda     old_cols,Y
+        sta     PCOLR0,Y
+        dey
+        bpl     SETUP2
+        rts
 
 .endproc
 
diff --git a/libsrc/atari/scroll.s b/libsrc/atari/scroll.s
index 8f58e190c..5e8428cc2 100644
--- a/libsrc/atari/scroll.s
+++ b/libsrc/atari/scroll.s
@@ -6,159 +6,159 @@
 ; numlines < 0  scrolls down
 ;
 
-	.include	"atari.inc"
-	.importzp	tmp1,tmp4,ptr1,ptr2
-	.import		mul40,_clrscr
-	.export		__scroll
+        .include        "atari.inc"
+        .importzp       tmp1,tmp4,ptr1,ptr2
+        .import         mul40,_clrscr
+        .export         __scroll
 
-.proc	__scroll
+.proc   __scroll
 
-	cmp	#0
-	beq	jmpfin
-;	cmp	#$80
-;	bcc	up
-	bpl	up
+        cmp     #0
+        beq     jmpfin
+;       cmp     #$80
+;       bcc     up
+        bpl     up
 
 ;scroll down
-	eor	#$ff
-	clc
-	adc	#1		; make positive
-	sta	tmp1
-
-	cmp	#24		; scroll >= the whole screen?
-	bcc	down_ok
-	jmp	_clrscr
-
-down_ok:lda	SAVMSC
-	clc
-	adc	#<(40*23)
-	sta	ptr1
-	sta	ptr2
-	lda	SAVMSC+1
-	adc	#>(40*23)
-	sta	ptr1+1		; point to last line on screen
-	sta	ptr2+1
-
-	lda	tmp1
-	jsr	mul40
-	sta	tmp4
-	lda	ptr2
-	sec
-	sbc	tmp4
-	sta	ptr2
-	stx	tmp4
-	lda	ptr2+1
-	sbc	tmp4
-	sta	ptr2+1
-
-	lda	#24		; # of lines on screen
-	sec
-	sbc	tmp1		; # of lines to move
-	tax
-
-	;very simple, could be improved
-
-scrold:	ldy	#39		; # of chars on a line - 1
-copy_d:	lda	(ptr2),y
-	sta	(ptr1),y
-	dey
-	bpl	copy_d
-	lda	ptr1
-	sec
-	sbc	#40
-	sta	ptr1
-	bcs	u1
-	dec	ptr1+1
-u1:	lda	ptr2
-	sec
-	sbc	#40
-	sta	ptr2
-	bcs	u2
-	dec	ptr2+1
-u2:	dex
-	bne	scrold
-
-	; fill new scrolled in lines with space
-
-	ldx	tmp1		; # of new lines
-fild:	lda	#0
-	ldy	#39
-fill_d:	sta	(ptr1),y
-	dey
-	bpl	fill_d
-	dex
-jmpfin:	beq	finish
-	lda	ptr1
-	sec
-	sbc	#40
-	sta	ptr1
-	bcs	u3
-	dec	ptr1+1
-u3:	jmp	fild
+        eor     #$ff
+        clc
+        adc     #1              ; make positive
+        sta     tmp1
+
+        cmp     #24             ; scroll >= the whole screen?
+        bcc     down_ok
+        jmp     _clrscr
+
+down_ok:lda     SAVMSC
+        clc
+        adc     #<(40*23)
+        sta     ptr1
+        sta     ptr2
+        lda     SAVMSC+1
+        adc     #>(40*23)
+        sta     ptr1+1          ; point to last line on screen
+        sta     ptr2+1
+
+        lda     tmp1
+        jsr     mul40
+        sta     tmp4
+        lda     ptr2
+        sec
+        sbc     tmp4
+        sta     ptr2
+        stx     tmp4
+        lda     ptr2+1
+        sbc     tmp4
+        sta     ptr2+1
+
+        lda     #24             ; # of lines on screen
+        sec
+        sbc     tmp1            ; # of lines to move
+        tax
+
+        ;very simple, could be improved
+
+scrold: ldy     #39             ; # of chars on a line - 1
+copy_d: lda     (ptr2),y
+        sta     (ptr1),y
+        dey
+        bpl     copy_d
+        lda     ptr1
+        sec
+        sbc     #40
+        sta     ptr1
+        bcs     u1
+        dec     ptr1+1
+u1:     lda     ptr2
+        sec
+        sbc     #40
+        sta     ptr2
+        bcs     u2
+        dec     ptr2+1
+u2:     dex
+        bne     scrold
+
+        ; fill new scrolled in lines with space
+
+        ldx     tmp1            ; # of new lines
+fild:   lda     #0
+        ldy     #39
+fill_d: sta     (ptr1),y
+        dey
+        bpl     fill_d
+        dex
+jmpfin: beq     finish
+        lda     ptr1
+        sec
+        sbc     #40
+        sta     ptr1
+        bcs     u3
+        dec     ptr1+1
+u3:     jmp     fild
 
 ;scroll up
-up:	sta	tmp1		; # of lines to scroll
-	cmp	#24		; scroll >= the whole screen?
-	bcc	up_ok
-	jmp	_clrscr
-
-	;multiply by 40 (xsize)
-up_ok:	jsr	mul40
-	clc
-	adc	SAVMSC		; add start of screen mem
-	sta	ptr2
-	txa
-	adc	SAVMSC+1
-	sta	ptr2+1
-	lda	SAVMSC+1
-	sta	ptr1+1
-	lda	SAVMSC
-	sta	ptr1
-	lda	#24		; # of lines on screen
-	sec
-	sbc	tmp1		; # of lines to move
-	tax
-
-	;very simple, could be improved
-
-scroll:	ldy	#39		; # of chars on a line - 1
-copy_l:	lda	(ptr2),y
-	sta	(ptr1),y
-	dey
-	bpl	copy_l
-	lda	#40
-	clc
-	adc	ptr1
-	sta	ptr1
-	bcc	l1
-	inc	ptr1+1
-l1:	lda	#40
-	clc
-	adc	ptr2
-	sta	ptr2
-	bcc	l2
-	inc	ptr2+1
-l2:	dex
-	bne	scroll
-
-	; fill new scrolled in lines with space
-
-	ldx	tmp1		; # of new lines
-fill:	lda	#0
-	ldy	#39
-fill_l:	sta	(ptr1),y
-	dey
-	bpl	fill_l
-	dex
-	beq	finish
-	lda	#40
-	clc
-	adc	ptr1
-	sta	ptr1
-	bcc	l3
-	inc	ptr1+1
-l3:	jmp	fill
-
-finish:	rts
+up:     sta     tmp1            ; # of lines to scroll
+        cmp     #24             ; scroll >= the whole screen?
+        bcc     up_ok
+        jmp     _clrscr
+
+        ;multiply by 40 (xsize)
+up_ok:  jsr     mul40
+        clc
+        adc     SAVMSC          ; add start of screen mem
+        sta     ptr2
+        txa
+        adc     SAVMSC+1
+        sta     ptr2+1
+        lda     SAVMSC+1
+        sta     ptr1+1
+        lda     SAVMSC
+        sta     ptr1
+        lda     #24             ; # of lines on screen
+        sec
+        sbc     tmp1            ; # of lines to move
+        tax
+
+        ;very simple, could be improved
+
+scroll: ldy     #39             ; # of chars on a line - 1
+copy_l: lda     (ptr2),y
+        sta     (ptr1),y
+        dey
+        bpl     copy_l
+        lda     #40
+        clc
+        adc     ptr1
+        sta     ptr1
+        bcc     l1
+        inc     ptr1+1
+l1:     lda     #40
+        clc
+        adc     ptr2
+        sta     ptr2
+        bcc     l2
+        inc     ptr2+1
+l2:     dex
+        bne     scroll
+
+        ; fill new scrolled in lines with space
+
+        ldx     tmp1            ; # of new lines
+fill:   lda     #0
+        ldy     #39
+fill_l: sta     (ptr1),y
+        dey
+        bpl     fill_l
+        dex
+        beq     finish
+        lda     #40
+        clc
+        adc     ptr1
+        sta     ptr1
+        bcc     l3
+        inc     ptr1+1
+l3:     jmp     fill
+
+finish: rts
 
 .endproc
diff --git a/libsrc/atari/setcolor.s b/libsrc/atari/setcolor.s
index 355921011..bf3b89572 100644
--- a/libsrc/atari/setcolor.s
+++ b/libsrc/atari/setcolor.s
@@ -9,43 +9,43 @@
 ;
 
 
- 	.export		__setcolor, __setcolor_low, __getcolor
-	.import		popa
-	.include	"atari.inc"
+        .export         __setcolor, __setcolor_low, __getcolor
+        .import         popa
+        .include        "atari.inc"
 
-.proc	__getcolor
+.proc   __getcolor
 
-	tax
-	lda	COLOR0,x	; get current value
-	ldx	#0
-	rts
+        tax
+        lda     COLOR0,x        ; get current value
+        ldx     #0
+        rts
 
 .endproc
 
-.proc	__setcolor
+.proc   __setcolor
 
-;	asl	a		; not -> BASIC compatible
-	sta	lum		; remember luminance
-	jsr	popa		; get hue
-	asl	a
-	asl	a
-	asl	a
-	asl	a
-	ora	lum
-;	jmp	__setcolor_low
+;       asl     a               ; not -> BASIC compatible
+        sta     lum             ; remember luminance
+        jsr     popa            ; get hue
+        asl     a
+        asl     a
+        asl     a
+        asl     a
+        ora     lum
+;       jmp     __setcolor_low
 
 .endproc
 
-.proc	__setcolor_low
+.proc   __setcolor_low
 
-	pha
-	jsr	popa
-	tax
-	pla
-	sta	COLOR0,x
-	rts
+        pha
+        jsr     popa
+        tax
+        pla
+        sta     COLOR0,x
+        rts
 
 .endproc
 
-	.bss
-lum:	.res	1
+        .bss
+lum:    .res    1
diff --git a/libsrc/atari/siocall.s b/libsrc/atari/siocall.s
index eea3f040a..3db37753f 100644
--- a/libsrc/atari/siocall.s
+++ b/libsrc/atari/siocall.s
@@ -7,83 +7,83 @@
 ; to save space with _dio_read and _dio_write functions.
 ;
 ; unsigned char __fastcall__ _sio_call(dhandle_t handle,
-;				       unsigned sect_num,
-;				       void *buffer,
-;				       unsigned sio_val);
+;                                      unsigned sect_num,
+;                                      void *buffer,
+;                                      unsigned sio_val);
 ; dhandle_t - 16bit (ptr)
 ; sio_val is (sio_command | sio_direction << 8)
 ;
 
-	.export		__sio_call
-	.include	"atari.inc"
-	.import		popa,popax
-	.import		sectsizetab,__oserror
-	.importzp	ptr1
+        .export         __sio_call
+        .include        "atari.inc"
+        .import         popa,popax
+        .import         sectsizetab,__oserror
+        .importzp       ptr1
 
-.proc	__sio_call
+.proc   __sio_call
 
-	sta	DCOMND		; set command into DCB
-	stx	DSTATS		; set data flow directon
-	jsr	popax		; get buffer address
-	sta	DBUFLO		; set buffer address into DCB
-	stx	DBUFHI
-	jsr	popax
-	sta	DAUX1		; set sector #
-	stx	DAUX2
+        sta     DCOMND          ; set command into DCB
+        stx     DSTATS          ; set data flow directon
+        jsr     popax           ; get buffer address
+        sta     DBUFLO          ; set buffer address into DCB
+        stx     DBUFHI
+        jsr     popax
+        sta     DAUX1           ; set sector #
+        stx     DAUX2
 
-	jsr	popax
-	sta	ptr1
-	stx	ptr1+1
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
 
-	ldy	#sst_flag
-	lda	(ptr1),y
-	and	#128
-	beq	_inv_hand	; handle not open or invalid
+        ldy     #sst_flag
+        lda     (ptr1),y
+        and     #128
+        beq     _inv_hand       ; handle not open or invalid
 
-	ldy	#sst_driveno
-	lda	(ptr1),y
+        ldy     #sst_driveno
+        lda     (ptr1),y
 
-	clc
-	adc	#1
-	sta	DUNIT		; unit number (d1,d2,d3,...)
+        clc
+        adc     #1
+        sta     DUNIT           ; unit number (d1,d2,d3,...)
 
-	lda	DAUX2		; high byte sector #
-	bne	_realsz
-	lda	DAUX1
-	cmp	#4		; sectors 1 to 3 are special (always 128 bytes)
-	bcs	_realsz
+        lda     DAUX2           ; high byte sector #
+        bne     _realsz
+        lda     DAUX1
+        cmp     #4              ; sectors 1 to 3 are special (always 128 bytes)
+        bcs     _realsz
 
-	lda	#$80
-	sta	DBYTLO
-	asl	a
-	sta	DBYTHI
-	beq	_cont
+        lda     #$80
+        sta     DBYTLO
+        asl     a
+        sta     DBYTHI
+        beq     _cont
 
-_realsz:ldy	#sst_sectsize
-	lda	(ptr1),y
-	sta	DBYTLO
-	iny
-	lda	(ptr1),y
-	sta	DBYTHI
+_realsz:ldy     #sst_sectsize
+        lda     (ptr1),y
+        sta     DBYTLO
+        iny
+        lda     (ptr1),y
+        sta     DBYTHI
 
-_cont:	lda	#DISKID		; SIO bus ID of diskette drive
-	sta	DDEVIC
-	lda	#15
-	sta	DTIMLO		; value got from DOS source
+_cont:  lda     #DISKID         ; SIO bus ID of diskette drive
+        sta     DDEVIC
+        lda     #15
+        sta     DTIMLO          ; value got from DOS source
 
-	jsr	SIOV		; execute
+        jsr     SIOV            ; execute
 
-	ldx	#0
-	lda	DSTATS
-	bmi	_req_err	; error occurred
-	txa			; no error occurred
+        ldx     #0
+        lda     DSTATS
+        bmi     _req_err        ; error occurred
+        txa                     ; no error occurred
 _req_err:
-	sta	__oserror
-	rts
+        sta     __oserror
+        rts
 
 _inv_hand:
-	ldx	#0
-	lda	#BADIOC
-	bne	_req_err
+        ldx     #0
+        lda     #BADIOC
+        bne     _req_err
 
 .endproc
diff --git a/libsrc/atari/syschdir.s b/libsrc/atari/syschdir.s
index e91d7c83b..9fc45edbd 100644
--- a/libsrc/atari/syschdir.s
+++ b/libsrc/atari/syschdir.s
@@ -6,83 +6,83 @@
 ; for SpartaDOS and MyDOS
 ;
 
-	.include "atari.inc"
-	.import	findfreeiocb
-	.import	__dos_type
-	.import	initcwd
-	.importzp tmp4
-.ifdef	UCASE_FILENAME
-	.importzp tmp3
-	.import	addysp
-	.import	ucase_fn
+        .include "atari.inc"
+        .import findfreeiocb
+        .import __dos_type
+        .import initcwd
+        .importzp tmp4
+.ifdef  UCASE_FILENAME
+        .importzp tmp3
+        .import addysp
+        .import ucase_fn
 .endif
-	.export	__syschdir
+        .export __syschdir
 
-.proc	__syschdir
+.proc   __syschdir
 
-	pha			; save input parameter
-	txa
-	pha
+        pha                     ; save input parameter
+        txa
+        pha
 
-	jsr	findfreeiocb
-	beq	iocbok		; we found one
+        jsr     findfreeiocb
+        beq     iocbok          ; we found one
 
-	pla
-	pla			; fix up stack
+        pla
+        pla                     ; fix up stack
 
-	lda	#TMOF		; too many open files
-	rts
+        lda     #TMOF           ; too many open files
+        rts
 
-iocbok:	stx	tmp4		; remember IOCB index
-	pla
-	tax
-	pla			; get argument again
+iocbok: stx     tmp4            ; remember IOCB index
+        pla
+        tax
+        pla                     ; get argument again
 
-.ifdef	UCASE_FILENAME
+.ifdef  UCASE_FILENAME
 
-	jsr	ucase_fn
-	bcc	ucok1
+        jsr     ucase_fn
+        bcc     ucok1
 
-	lda	#183		; see oserror.s
-	rts
+        lda     #183            ; see oserror.s
+        rts
 ucok1:
 
-.endif	; defined UCASE_FILENAME
+.endif  ; defined UCASE_FILENAME
 
-	ldy	tmp4		; IOCB index
-	sta	ICBAL,y		; store pointer to filename
-	txa
-	sta	ICBAH,y
-	tya
-	tax
-	lda	__dos_type
-	cmp	#SPARTADOS
-	beq	:+
-	lda	#41
-	.byte	$2C		; BIT 
-:	lda	#44
-	sta	ICCOM,x
-	lda	#0
-	sta	ICAX1,x
-	sta	ICAX2,x
-	sta	ICBLL,x
-	sta	ICBLH,x
-	jsr	CIOV
+        ldy     tmp4            ; IOCB index
+        sta     ICBAL,y         ; store pointer to filename
+        txa
+        sta     ICBAH,y
+        tya
+        tax
+        lda     __dos_type
+        cmp     #SPARTADOS
+        beq     :+
+        lda     #41
+        .byte   $2C             ; BIT 
+:       lda     #44
+        sta     ICCOM,x
+        lda     #0
+        sta     ICAX1,x
+        sta     ICAX2,x
+        sta     ICBLL,x
+        sta     ICBLH,x
+        jsr     CIOV
 
-.ifdef	UCASE_FILENAME
-	tya
-	pha
-	ldy	tmp3		; get size
-	jsr	addysp		; free used space on the stack
-	pla
-	tay
-.endif	; defined UCASE_FILENAME
+.ifdef  UCASE_FILENAME
+        tya
+        pha
+        ldy     tmp3            ; get size
+        jsr     addysp          ; free used space on the stack
+        pla
+        tay
+.endif  ; defined UCASE_FILENAME
 
-	bmi	cioerr
-	jsr	initcwd
-	lda	#0
-	rts
-cioerr:	tya
-	rts
+        bmi     cioerr
+        jsr     initcwd
+        lda     #0
+        rts
+cioerr: tya
+        rts
 
-.endproc	; __syschdir
+.endproc        ; __syschdir
diff --git a/libsrc/atari/sysmkdir.s b/libsrc/atari/sysmkdir.s
index 68f1a5087..de3252ced 100644
--- a/libsrc/atari/sysmkdir.s
+++ b/libsrc/atari/sysmkdir.s
@@ -6,84 +6,84 @@
 ; for SpartaDOS and MYDOS
 ;
 
-	.include "atari.inc"
-	.include "errno.inc"
-	.import	addysp
-	.import	popax
-	.import	findfreeiocb
-	.importzp tmp4
-.ifdef	UCASE_FILENAME
-	.importzp tmp3
-	.import	ucase_fn
+        .include "atari.inc"
+        .include "errno.inc"
+        .import addysp
+        .import popax
+        .import findfreeiocb
+        .importzp tmp4
+.ifdef  UCASE_FILENAME
+        .importzp tmp3
+        .import ucase_fn
 .endif
-	.export	__sysmkdir
+        .export __sysmkdir
 
-.proc	__sysmkdir
+.proc   __sysmkdir
 
-	dey			; parm count < 2 shouldn't be needed to be...
-	dey			; ...checked (it generates a C compiler warning)
-	beq	parmok		; branch if parameter count ok
-	jsr	addysp		; fix stack, throw away unused parameters
+        dey                     ; parm count < 2 shouldn't be needed to be...
+        dey                     ; ...checked (it generates a C compiler warning)
+        beq     parmok          ; branch if parameter count ok
+        jsr     addysp          ; fix stack, throw away unused parameters
 
-parmok:	jsr	popax		; get name
-	pha			; save input parameter
-	txa
-	pha
+parmok: jsr     popax           ; get name
+        pha                     ; save input parameter
+        txa
+        pha
 
-	jsr	findfreeiocb
-	beq	iocbok		; we found one
+        jsr     findfreeiocb
+        beq     iocbok          ; we found one
 
-	pla
-	pla			; fix up stack
+        pla
+        pla                     ; fix up stack
 
-	lda	#TMOF		; too many open files
-	rts
+        lda     #TMOF           ; too many open files
+        rts
 
-iocbok:	stx	tmp4		; remember IOCB index
-	pla
-	tax
-	pla			; get argument again
+iocbok: stx     tmp4            ; remember IOCB index
+        pla
+        tax
+        pla                     ; get argument again
 
-.ifdef	UCASE_FILENAME
+.ifdef  UCASE_FILENAME
 
-	jsr	ucase_fn
-	bcc	ucok1
+        jsr     ucase_fn
+        bcc     ucok1
 
-	lda	#183		; see oserror.s
-	rts
+        lda     #183            ; see oserror.s
+        rts
 ucok1:
 
-.endif	; defined UCASE_FILENAME
-
-	ldy	tmp4		; IOCB index
-	sta	ICBAL,y		; store pointer to filename
-	txa
-	sta	ICBAH,y
-	tya
-	tax
-	lda	#42
-	sta	ICCOM,x
-	lda	#8
-	sta	ICAX1,x
-	lda	#0
-	sta	ICAX2,x
-	sta	ICBLL,x
-	sta	ICBLH,x
-	jsr	CIOV
-
-.ifdef	UCASE_FILENAME
-	tya
-	pha
-	ldy	tmp3		; get size
-	jsr	addysp		; free used space on the stack
-	pla
-	tay
-.endif	; defined UCASE_FILENAME
-
-	bmi	cioerr
-	lda	#0
-	rts
-cioerr:	tya
-	rts
-
-.endproc	; __sysmkdir
+.endif  ; defined UCASE_FILENAME
+
+        ldy     tmp4            ; IOCB index
+        sta     ICBAL,y         ; store pointer to filename
+        txa
+        sta     ICBAH,y
+        tya
+        tax
+        lda     #42
+        sta     ICCOM,x
+        lda     #8
+        sta     ICAX1,x
+        lda     #0
+        sta     ICAX2,x
+        sta     ICBLL,x
+        sta     ICBLH,x
+        jsr     CIOV
+
+.ifdef  UCASE_FILENAME
+        tya
+        pha
+        ldy     tmp3            ; get size
+        jsr     addysp          ; free used space on the stack
+        pla
+        tay
+.endif  ; defined UCASE_FILENAME
+
+        bmi     cioerr
+        lda     #0
+        rts
+cioerr: tya
+        rts
+
+.endproc        ; __sysmkdir
diff --git a/libsrc/atari/sysremove.s b/libsrc/atari/sysremove.s
index 581cbd945..1e7b4760f 100644
--- a/libsrc/atari/sysremove.s
+++ b/libsrc/atari/sysremove.s
@@ -4,76 +4,76 @@
 ; int remove (const char* name);
 ;
 
-	.include "atari.inc"
-	.include "errno.inc"
-	.import	findfreeiocb
-	.importzp tmp4
-.ifdef	UCASE_FILENAME
-	.importzp tmp3
-	.import	addysp
-	.import	ucase_fn
+        .include "atari.inc"
+        .include "errno.inc"
+        .import findfreeiocb
+        .importzp tmp4
+.ifdef  UCASE_FILENAME
+        .importzp tmp3
+        .import addysp
+        .import ucase_fn
 .endif
-	.export	__sysremove
+        .export __sysremove
 
-.proc	__sysremove
+.proc   __sysremove
 
-	pha			; save input parameter
-	txa
-	pha
+        pha                     ; save input parameter
+        txa
+        pha
 
-	jsr	findfreeiocb
-	beq	iocbok		; we found one
+        jsr     findfreeiocb
+        beq     iocbok          ; we found one
 
-	pla
-	pla			; fix up stack
+        pla
+        pla                     ; fix up stack
 
-	lda	#TMOF		; too many open files
-	rts
+        lda     #TMOF           ; too many open files
+        rts
 
-iocbok:	stx	tmp4		; remember IOCB index
-	pla
-	tax
-	pla			; get argument again
+iocbok: stx     tmp4            ; remember IOCB index
+        pla
+        tax
+        pla                     ; get argument again
 
-.ifdef	UCASE_FILENAME
+.ifdef  UCASE_FILENAME
 
-	jsr	ucase_fn
-	bcc	ucok1
+        jsr     ucase_fn
+        bcc     ucok1
 
-	lda	#183		; see oserror.s
-	rts
+        lda     #183            ; see oserror.s
+        rts
 ucok1:
 
-.endif	; defined UCASE_FILENAME
+.endif  ; defined UCASE_FILENAME
 
-	ldy	tmp4		; IOCB index
-	sta	ICBAL,y		; store pointer to filename
-	txa
-	sta	ICBAH,y
-	tya
-	tax
-	lda	#DELETE
-	sta	ICCOM,x
-	lda	#0
-	sta	ICAX1,x
-	sta	ICAX2,x
-	sta	ICBLL,x
-	sta	ICBLH,x
-	jsr	CIOV
+        ldy     tmp4            ; IOCB index
+        sta     ICBAL,y         ; store pointer to filename
+        txa
+        sta     ICBAH,y
+        tya
+        tax
+        lda     #DELETE
+        sta     ICCOM,x
+        lda     #0
+        sta     ICAX1,x
+        sta     ICAX2,x
+        sta     ICBLL,x
+        sta     ICBLH,x
+        jsr     CIOV
 
-.ifdef	UCASE_FILENAME
-	tya
-	pha
-	ldy	tmp3		; get size
-	jsr	addysp		; free used space on the stack
-	pla
-	tay
-.endif	; defined UCASE_FILENAME
+.ifdef  UCASE_FILENAME
+        tya
+        pha
+        ldy     tmp3            ; get size
+        jsr     addysp          ; free used space on the stack
+        pla
+        tay
+.endif  ; defined UCASE_FILENAME
 
-	bmi	cioerr
-	lda	#0
-	rts
-cioerr:	tya
-	rts
+        bmi     cioerr
+        lda     #0
+        rts
+cioerr: tya
+        rts
 
-.endproc	; __sysremove
+.endproc        ; __sysremove
diff --git a/libsrc/atari/sysrmdir.s b/libsrc/atari/sysrmdir.s
index d3b2cf3f1..9c057ba44 100644
--- a/libsrc/atari/sysrmdir.s
+++ b/libsrc/atari/sysrmdir.s
@@ -4,7 +4,7 @@
 ; unsigned char __fastcall__ _sysrmdir (const char* name);
 ;
 
-	.export		__sysrmdir
-	.import		__sysremove
+        .export         __sysrmdir
+        .import         __sysremove
 
 __sysrmdir := __sysremove
diff --git a/libsrc/atari/systime.s b/libsrc/atari/systime.s
index 1d039e80e..d22b8c596 100644
--- a/libsrc/atari/systime.s
+++ b/libsrc/atari/systime.s
@@ -9,7 +9,7 @@
 ;  */
 ;
 
-	.export		__systime
+        .export         __systime
 
         .importzp       sreg
 
diff --git a/libsrc/atari/tgi/atari10.s b/libsrc/atari/tgi/atari10.s
index a7da93b97..10271b7f0 100644
--- a/libsrc/atari/tgi/atari10.s
+++ b/libsrc/atari/tgi/atari10.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 10
+        grmode = 10
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 9
+        colors = 9
 ; Pixels per byte
-	ppb = 2
+        ppb = 2
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0330				; based on 4/3 display
+        aspect = $0330                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 7147
+        mem_needed = 7147
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11110000, %00001111
-	masks:					; Color masks
-		.byte	$00, $11, $22, $33, $44, $55, $66, $77, $88
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00001111, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96, $68, $C4, $74, $EE, $4A
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11110000, %00001111
+        masks:                                  ; Color masks
+                .byte   $00, $11, $22, $33, $44, $55, $66, $77, $88
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00001111, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96, $68, $C4, $74, $EE, $4A
 
 .code
 
@@ -55,22 +55,22 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	sta	PCOLR0,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        sta     PCOLR0,y
+        dey
+        bpl     loop
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari11.s b/libsrc/atari/tgi/atari11.s
index 2e2dfd842..74b7db3b9 100644
--- a/libsrc/atari/tgi/atari11.s
+++ b/libsrc/atari/tgi/atari11.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 11
+        grmode = 11
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 16
+        colors = 16
 ; Pixels per byte
-	ppb = 2
+        ppb = 2
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0330				; based on 4/3 display
+        aspect = $0330                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 7147
+        mem_needed = 7147
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11110000, %00001111
-	masks:					; Color masks
-		.byte	$00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00001111, %00000000
-	default_palette:
-		.byte	$00, $10, $20, $30, $40, $50, $60, $70, $80, $90, $A0, $B0, $C0, $D0, $E0, $F0
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11110000, %00001111
+        masks:                                  ; Color masks
+                .byte   $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00001111, %00000000
+        default_palette:
+                .byte   $00, $10, $20, $30, $40, $50, $60, $70, $80, $90, $A0, $B0, $C0, $D0, $E0, $F0
 
 .code
 
@@ -55,14 +55,14 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; No palettes
+        ; No palettes
         lda     #TGI_ERR_INV_FUNC
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari14.s b/libsrc/atari/tgi/atari14.s
index ebd243067..e0ae9b579 100644
--- a/libsrc/atari/tgi/atari14.s
+++ b/libsrc/atari/tgi/atari14.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 14
+        grmode = 14
 ; X resolution
-	x_res = 160
+        x_res = 160
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 2
+        colors = 2
 ; Pixels per byte
-	ppb = 8
+        ppb = 8
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0198				; based on 4/3 display
+        aspect = $0198                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 3305
+        mem_needed = 3305
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-	masks:					; Color masks
-		.byte	%00000000, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
-	default_palette:
-		.byte	$00, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
+        masks:                                  ; Color masks
+                .byte   %00000000, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
+        default_palette:
+                .byte   $00, $0E
 
 .code
 
@@ -55,27 +55,27 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari15.s b/libsrc/atari/tgi/atari15.s
index 08497db37..d1b85f39a 100644
--- a/libsrc/atari/tgi/atari15.s
+++ b/libsrc/atari/tgi/atari15.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 15
+        grmode = 15
 ; X resolution
-	x_res = 160
+        x_res = 160
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 4
+        colors = 4
 ; Pixels per byte
-	ppb = 4
+        ppb = 4
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0198				; based on 4/3 display
+        aspect = $0198                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 7147
+        mem_needed = 7147
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11000000, %00110000, %00001100, %00000011
-	masks:					; Color masks
-		.byte	%00000000, %01010101, %10101010, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00111111, %00001111, %00000011, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11000000, %00110000, %00001100, %00000011
+        masks:                                  ; Color masks
+                .byte   %00000000, %01010101, %10101010, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00111111, %00001111, %00000011, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96
 
 .code
 
@@ -55,31 +55,31 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
-	lda	palette + 2
-	sta	COLOR1
-	lda	palette + 3
-	sta	COLOR2
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
+        lda     palette + 2
+        sta     COLOR1
+        lda     palette + 3
+        sta     COLOR2
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari3.s b/libsrc/atari/tgi/atari3.s
index 24dca69de..7cacc185b 100644
--- a/libsrc/atari/tgi/atari3.s
+++ b/libsrc/atari/tgi/atari3.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 3
+        grmode = 3
 ; X resolution
-	x_res = 40
+        x_res = 40
 ; Y resolution
-	y_res = 24
+        y_res = 24
 ; Number of colors
-	colors = 4
+        colors = 4
 ; Pixels per byte
-	ppb = 4
+        ppb = 4
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 1
+        mem_needed = 1
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11000000, %00110000, %00001100, %00000011
-	masks:					; Color masks
-		.byte	%00000000, %01010101, %10101010, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00111111, %00001111, %00000011, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11000000, %00110000, %00001100, %00000011
+        masks:                                  ; Color masks
+                .byte   %00000000, %01010101, %10101010, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00111111, %00001111, %00000011, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96
 
 .code
 
@@ -55,31 +55,31 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
-	lda	palette + 2
-	sta	COLOR1
-	lda	palette + 3
-	sta	COLOR2
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
+        lda     palette + 2
+        sta     COLOR1
+        lda     palette + 3
+        sta     COLOR2
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari4.s b/libsrc/atari/tgi/atari4.s
index 785e742e5..a37ec2fa3 100644
--- a/libsrc/atari/tgi/atari4.s
+++ b/libsrc/atari/tgi/atari4.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 4
+        grmode = 4
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 48
+        y_res = 48
 ; Number of colors
-	colors = 2
+        colors = 2
 ; Pixels per byte
-	ppb = 8
+        ppb = 8
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 1
+        mem_needed = 1
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-	masks:					; Color masks
-		.byte	%00000000, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
-	default_palette:
-		.byte	$00, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
+        masks:                                  ; Color masks
+                .byte   %00000000, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
+        default_palette:
+                .byte   $00, $0E
 
 .code
 
@@ -55,27 +55,27 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari5.s b/libsrc/atari/tgi/atari5.s
index c8c699753..cf917d573 100644
--- a/libsrc/atari/tgi/atari5.s
+++ b/libsrc/atari/tgi/atari5.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 5
+        grmode = 5
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 48
+        y_res = 48
 ; Number of colors
-	colors = 4
+        colors = 4
 ; Pixels per byte
-	ppb = 4
+        ppb = 4
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 185
+        mem_needed = 185
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11000000, %00110000, %00001100, %00000011
-	masks:					; Color masks
-		.byte	%00000000, %01010101, %10101010, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00111111, %00001111, %00000011, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11000000, %00110000, %00001100, %00000011
+        masks:                                  ; Color masks
+                .byte   %00000000, %01010101, %10101010, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00111111, %00001111, %00000011, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96
 
 .code
 
@@ -55,31 +55,31 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
-	lda	palette + 2
-	sta	COLOR1
-	lda	palette + 3
-	sta	COLOR2
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
+        lda     palette + 2
+        sta     COLOR1
+        lda     palette + 3
+        sta     COLOR2
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari6.s b/libsrc/atari/tgi/atari6.s
index 091b698d4..be9f6b779 100644
--- a/libsrc/atari/tgi/atari6.s
+++ b/libsrc/atari/tgi/atari6.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 6
+        grmode = 6
 ; X resolution
-	x_res = 160
+        x_res = 160
 ; Y resolution
-	y_res = 96
+        y_res = 96
 ; Number of colors
-	colors = 2
+        colors = 2
 ; Pixels per byte
-	ppb = 8
+        ppb = 8
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 1193
+        mem_needed = 1193
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-	masks:					; Color masks
-		.byte	%00000000, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
-	default_palette:
-		.byte	$00, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
+        masks:                                  ; Color masks
+                .byte   %00000000, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
+        default_palette:
+                .byte   $00, $0E
 
 .code
 
@@ -55,27 +55,27 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari7.s b/libsrc/atari/tgi/atari7.s
index 95a05d4e8..6e9d49acb 100644
--- a/libsrc/atari/tgi/atari7.s
+++ b/libsrc/atari/tgi/atari7.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 7
+        grmode = 7
 ; X resolution
-	x_res = 160
+        x_res = 160
 ; Y resolution
-	y_res = 96
+        y_res = 96
 ; Number of colors
-	colors = 4
+        colors = 4
 ; Pixels per byte
-	ppb = 4
+        ppb = 4
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 3209
+        mem_needed = 3209
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11000000, %00110000, %00001100, %00000011
-	masks:					; Color masks
-		.byte	%00000000, %01010101, %10101010, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00111111, %00001111, %00000011, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11000000, %00110000, %00001100, %00000011
+        masks:                                  ; Color masks
+                .byte   %00000000, %01010101, %10101010, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00111111, %00001111, %00000011, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96
 
 .code
 
@@ -55,31 +55,31 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
-	lda	palette + 2
-	sta	COLOR1
-	lda	palette + 3
-	sta	COLOR2
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
+        lda     palette + 2
+        sta     COLOR1
+        lda     palette + 3
+        sta     COLOR2
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari8.s b/libsrc/atari/tgi/atari8.s
index fe97a5a0a..7d2a63863 100644
--- a/libsrc/atari/tgi/atari8.s
+++ b/libsrc/atari/tgi/atari8.s
@@ -4,77 +4,77 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 8
+        grmode = 8
 ; X resolution
-	x_res = 320
+        x_res = 320
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 2
+        colors = 2
 ; Pixels per byte
-	ppb = 8
+        ppb = 8
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 7147
+        mem_needed = 7147
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-	masks:					; Color masks
-		.byte	%00000000, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
-	default_palette:
-		.byte	$00, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
+        masks:                                  ; Color masks
+                .byte   %00000000, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
+        default_palette:
+                .byte   $00, $0E
 .code
 
 ; ******************************************************************************
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR2
-	lda	palette + 1
-	sta	COLOR1
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR2
+        lda     palette + 1
+        sta     COLOR1
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari9.s b/libsrc/atari/tgi/atari9.s
index 38e23702a..41c783de1 100644
--- a/libsrc/atari/tgi/atari9.s
+++ b/libsrc/atari/tgi/atari9.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 9
+        grmode = 9
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 16
+        colors = 16
 ; Pixels per byte
-	ppb = 2
+        ppb = 2
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0330				; based on 4/3 display
+        aspect = $0330                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 7147
+        mem_needed = 7147
 ; Number of screen pages
-	pages = 1
+        pages = 1
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11110000, %00001111
-	masks:					; Color masks
-		.byte	$00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00001111, %00000000
-	default_palette:
-		.byte	$00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11110000, %00001111
+        masks:                                  ; Color masks
+                .byte   $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00001111, %00000000
+        default_palette:
+                .byte   $00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E
 
 .code
 
@@ -55,14 +55,14 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; No palettes
+        ; No palettes
         lda     #TGI_ERR_INV_FUNC
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atari_tgi_common.inc b/libsrc/atari/tgi/atari_tgi_common.inc
index 9e9f74aa4..9190fe8c8 100644
--- a/libsrc/atari/tgi/atari_tgi_common.inc
+++ b/libsrc/atari/tgi/atari_tgi_common.inc
@@ -6,240 +6,240 @@
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Header. Includes jump table and constants.
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Header. Includes jump table and constants.
+        ;
+        ; ----------------------------------------------------------------------
 
 .segment        "JUMPTABLE"
 
 ; Header
 
-	.byte   $74, $67, $69		; "tgi"
-	.byte   TGI_API_VERSION		; TGI API version number
-	.word   x_res			; X resolution
-	.word   y_res			; Y resolution
-	.byte   colors			; Number of drawing colors
-	.byte   pages			; Number of screens available
-	.byte   8			; System font X size
-	.byte   8			; System font Y size
-	.word	aspect			; Aspect ratio
+        .byte   $74, $67, $69           ; "tgi"
+        .byte   TGI_API_VERSION         ; TGI API version number
+        .word   x_res                   ; X resolution
+        .word   y_res                   ; Y resolution
+        .byte   colors                  ; Number of drawing colors
+        .byte   pages                   ; Number of screens available
+        .byte   8                       ; System font X size
+        .byte   8                       ; System font Y size
+        .word   aspect                  ; Aspect ratio
         .byte   0                       ; TGI driver flags
 
 ; Function table
 
-	.addr   INSTALL
-	.addr   UNINSTALL
-	.addr   INIT
-	.addr   DONE
-	.addr   GETERROR
-	.addr   CONTROL
-	.addr   CLEAR
-	.addr   SETVIEWPAGE
-	.addr   SETDRAWPAGE
-	.addr   SETCOLOR
-	.addr   SETPALETTE
-	.addr   GETPALETTE
-	.addr   GETDEFPALETTE
-	.addr   SETPIXEL
-	.addr   GETPIXEL
-	.addr   LINE
-	.addr   BAR
-	.addr   TEXTSTYLE
-	.addr   OUTTEXT
-	.addr   0			; IRQ entry is unused
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   INIT
+        .addr   DONE
+        .addr   GETERROR
+        .addr   CONTROL
+        .addr   CLEAR
+        .addr   SETVIEWPAGE
+        .addr   SETDRAWPAGE
+        .addr   SETCOLOR
+        .addr   SETPALETTE
+        .addr   GETPALETTE
+        .addr   GETDEFPALETTE
+        .addr   SETPIXEL
+        .addr   GETPIXEL
+        .addr   LINE
+        .addr   BAR
+        .addr   TEXTSTYLE
+        .addr   OUTTEXT
+        .addr   0                       ; IRQ entry is unused
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Parameters
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Parameters
+        ;
+        ; ----------------------------------------------------------------------
 
-	x1	:= ptr1
-	y1	:= ptr2
-	x2	:= ptr3
-	y2	:= ptr4
-	radius	:= tmp1
+        x1      := ptr1
+        y1      := ptr2
+        x2      := ptr3
+        y2      := ptr4
+        radius  := tmp1
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Global variables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Global variables
+        ;
+        ; ----------------------------------------------------------------------
 
-	sptr	:= regsave + 2
+        sptr    := regsave + 2
 
 .bss
-	error:
-		.res	1	; Error code
+        error:
+                .res    1       ; Error code
 
 .if ::grmode = 9 || ::grmode = 11
-	palette = default_palette
+        palette = default_palette
 .else
-	palette:
-		.res	colors	; The current palette
+        palette:
+                .res    colors  ; The current palette
 .endif
 
-	mask:
-		.res	1	; Current pixel mask
-	griocb:
-		.res	1	; IOCB channel number for graphics
+        mask:
+                .res    1       ; Current pixel mask
+        griocb:
+                .res    1       ; IOCB channel number for graphics
 
 .if pages = 2
-	p0scr:
-		.res	1	; High byte of screen address for screen page 0
-	p0dls:
-		.res	1	; High byte of display list address for screen page 0
-				; Page 1's addresses are 8K higher
+        p0scr:
+                .res    1       ; High byte of screen address for screen page 0
+        p0dls:
+                .res    1       ; High byte of display list address for screen page 0
+                                ; Page 1's addresses are 8K higher
 .endif
 
 .data
-	mag_x:
-		.byte	1	; Horizontal text scaling factor
-	mag_y:
-		.byte	1	; Vertical text scaling factor
-	mag_x8:
-		.word	8	; Horizontal text scaling factor * 8
-	mag_y8:
-		.word	8	; Vertical text scaling factor * 8
-	text_dir:
-		.byte	0	; Text direction,
+        mag_x:
+                .byte   1       ; Horizontal text scaling factor
+        mag_y:
+                .byte   1       ; Vertical text scaling factor
+        mag_x8:
+                .word   8       ; Horizontal text scaling factor * 8
+        mag_y8:
+                .word   8       ; Vertical text scaling factor * 8
+        text_dir:
+                .byte   0       ; Text direction,
 
 .code
 
 ; ******************************************************************************
 
-.macro	put_pixel
+.macro  put_pixel
 
-	; ----------------------------------------------------------------------
-	;
-	; Put a pixel at (sptr),y using x as the bit mask offset
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Put a pixel at (sptr),y using x as the bit mask offset
+        ;
+        ; ----------------------------------------------------------------------
 
-	lda	(sptr),y
-	eor	mask
-	and	mask_table,x
-	eor	(sptr),y
-	sta	(sptr),y
+        lda     (sptr),y
+        eor     mask
+        and     mask_table,x
+        eor     (sptr),y
+        sta     (sptr),y
 .endmacro
 
 ; ******************************************************************************
 
 .rodata
 screen_device:
-	.byte "S:",$9B		; Device code for screen
+        .byte "S:",$9B          ; Device code for screen
 screen_device_length := * - screen_device
 
 .code
 
 .proc INIT
 
-	; ----------------------------------------------------------------------
-	;
-	; INIT: Switch to graphics mode
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; INIT: Switch to graphics mode
+        ;
+        ; ----------------------------------------------------------------------
 
 
 .code
-	; Initialize drawing color
+        ; Initialize drawing color
 
 .if ::ppb = 8
-	ldx	#$FF
+        ldx     #$FF
 .elseif ::ppb = 4
-	ldx	#$55
+        ldx     #$55
 .elseif ::ppb = 2
-	ldx	#$11
+        ldx     #$11
 .endif
 
-	stx	mask
+        stx     mask
 
-	; Find a free IOCB
-	lda	#$70
+        ; Find a free IOCB
+        lda     #$70
 search: tax
-	ldy	ICHID,x
-	cpy	#$FF
-	beq	found
-	sub	#$10
-	bcs	search
-
-	; Not enough resources available (free IOCB or memory)
-	; enter with C cleared!
-nores:	lda	#TGI_ERR_NO_RES
-	bcc	exit
-
-found:	; Check if enough RAM is available
-	lda	#0
-	sub	#mem_needed
-	cmp	APPMHI + 1
-	bcc	nores
-	bne	switch
-	cpy	APPMHI
-	bcc	nores			; not enough memory
-
-	; Switch into graphics mode
-switch:	lda	#OPEN
-	sta	ICCOM,x
-	lda	#OPNIN | OPNOT
-	sta	ICAX1,x
-	lda	#::grmode
-	sta	ICAX2,x
-	lda	#screen_device
-	sta	ICBAH,x
-	lda	#screen_device_length
-	sta	ICBLH,x
-	jsr	CIOV
+        ldy     ICHID,x
+        cpy     #$FF
+        beq     found
+        sub     #$10
+        bcs     search
+
+        ; Not enough resources available (free IOCB or memory)
+        ; enter with C cleared!
+nores:  lda     #TGI_ERR_NO_RES
+        bcc     exit
+
+found:  ; Check if enough RAM is available
+        lda     #0
+        sub     #mem_needed
+        cmp     APPMHI + 1
+        bcc     nores
+        bne     switch
+        cpy     APPMHI
+        bcc     nores                   ; not enough memory
+
+        ; Switch into graphics mode
+switch: lda     #OPEN
+        sta     ICCOM,x
+        lda     #OPNIN | OPNOT
+        sta     ICAX1,x
+        lda     #::grmode
+        sta     ICAX2,x
+        lda     #screen_device
+        sta     ICBAH,x
+        lda     #screen_device_length
+        sta     ICBLH,x
+        jsr     CIOV
 
 .if ::pages = 2
-	; Reserve 8K of high memory
-	lda	RAMTOP
-	sub	#32
-	sta	RAMTOP
-	; Close and reopen graphics
-	lda	#CLOSE
-	sta	ICCOM,x
-	jsr	CIOV
-	; Reopen graphics
-	lda	#OPEN
-	sta	ICCOM,x
-	lda	#OPNIN | OPNOT
-	sta	ICAX1,x
-	lda	#::grmode
-	sta	ICAX2,x
-	lda	#screen_device
-	sta	ICBAH,x
-	lda	#screen_device_length
-	sta	ICBLH,x
-	jsr	CIOV
-	; Save screen pointers
-	lda	SAVMSC + 1
-	sta	p0scr
-	lda	SDLSTH
-	sta	p0dls
+        ; Reserve 8K of high memory
+        lda     RAMTOP
+        sub     #32
+        sta     RAMTOP
+        ; Close and reopen graphics
+        lda     #CLOSE
+        sta     ICCOM,x
+        jsr     CIOV
+        ; Reopen graphics
+        lda     #OPEN
+        sta     ICCOM,x
+        lda     #OPNIN | OPNOT
+        sta     ICAX1,x
+        lda     #::grmode
+        sta     ICAX2,x
+        lda     #screen_device
+        sta     ICBAH,x
+        lda     #screen_device_length
+        sta     ICBLH,x
+        jsr     CIOV
+        ; Save screen pointers
+        lda     SAVMSC + 1
+        sta     p0scr
+        lda     SDLSTH
+        sta     p0dls
 .endif ; ::pages = 2
 
-	stx	griocb
+        stx     griocb
 
-	; Reset the error code and return
+        ; Reset the error code and return
         lda     #TGI_ERR_OK
-exit:	sta     error
+exit:   sta     error
         rts
 .endproc
 
@@ -247,109 +247,109 @@ exit:	sta     error
 
 .proc DONE
 
-	; ----------------------------------------------------------------------
-	;
-	; DONE: Switch back to text mode
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; DONE: Switch back to text mode
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
 
 .if ::pages = 2
-	; Free 8K of high memory
-	lda	RAMTOP
-	add	#32
-	sta	RAMTOP
+        ; Free 8K of high memory
+        lda     RAMTOP
+        add     #32
+        sta     RAMTOP
 .endif
 
-	; Clear griocb
-	lda	#$FF
-	ldx	griocb
-	sta	griocb
-
-	; Close the S: device
-	lda	#CLOSE
-	sta	ICCOM,x
-	jsr	CIOV
-
-	; Reopen it in Graphics 0
-	lda	#OPEN
-	sta	ICCOM,x
-	lda	#OPNIN | OPNOT
-	sta	ICAX1,x
-	lda	#0
-	sta	ICAX2,x
-	lda	#screen_device
-	sta	ICBAH,x
-	lda	#screen_device_length
-	sta	ICBLH,x
-	jsr	CIOV
-
-	; Now close it again; we don't need it anymore :)
-	lda	#CLOSE
-	sta	ICCOM,x
-	jmp	CIOV
+        ; Clear griocb
+        lda     #$FF
+        ldx     griocb
+        sta     griocb
+
+        ; Close the S: device
+        lda     #CLOSE
+        sta     ICCOM,x
+        jsr     CIOV
+
+        ; Reopen it in Graphics 0
+        lda     #OPEN
+        sta     ICCOM,x
+        lda     #OPNIN | OPNOT
+        sta     ICAX1,x
+        lda     #0
+        sta     ICAX2,x
+        lda     #screen_device
+        sta     ICBAH,x
+        lda     #screen_device_length
+        sta     ICBLH,x
+        jsr     CIOV
+
+        ; Now close it again; we don't need it anymore :)
+        lda     #CLOSE
+        sta     ICCOM,x
+        jmp     CIOV
 .endproc
 
 ; ******************************************************************************
 
 .proc GETERROR
 
-	; ----------------------------------------------------------------------
-	;
-	; GETERROR: Return the error code in A and clear it
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; GETERROR: Return the error code in A and clear it
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	ldx	#TGI_ERR_OK
-	lda	error
-	stx	error
-	rts
+        ldx     #TGI_ERR_OK
+        lda     error
+        stx     error
+        rts
 .endproc
 
 ; ******************************************************************************
 
 .proc CLEAR
 
-	; ----------------------------------------------------------------------
-	;
-	; CLEAR: Clear the screen
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; CLEAR: Clear the screen
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Load the screen address in sptr
-	lda	SAVMSC
-	sta	sptr
-	lda	SAVMSC + 1
-	sta	sptr + 1
+        ; Load the screen address in sptr
+        lda     SAVMSC
+        sta     sptr
+        lda     SAVMSC + 1
+        sta     sptr + 1
 
-	; Fill with zero
-	lda	#0
-	tay
+        ; Fill with zero
+        lda     #0
+        tay
 
 .if >::scrsize > 0
-	; Clear full pages if any
-	ldx	#>::scrsize
-loop1:	sta	(sptr),y
-	iny
-	bne	loop1
-	inc	sptr + 1
-	dex
-	bne	loop1
+        ; Clear full pages if any
+        ldx     #>::scrsize
+loop1:  sta     (sptr),y
+        iny
+        bne     loop1
+        inc     sptr + 1
+        dex
+        bne     loop1
 .endif
 
 .if <::scrsize > 0
-	; Clear the rest, if any
-loop2:	sta	(sptr),y
-	iny
-	cpy	#<::scrsize
-	bne	loop2
+        ; Clear the rest, if any
+loop2:  sta     (sptr),y
+        iny
+        cpy     #<::scrsize
+        bne     loop2
 .endif
 
         rts
@@ -359,11 +359,11 @@ loop2:	sta	(sptr),y
 
 .proc GETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; GETPALETTE: Return the current palette in A/X
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; GETPALETTE: Return the current palette in A/X
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
         lda     # 0, 1 -> 15, 2 -> 1, 3 -> 2 etc.
-	beq	cont
-	cpx	#1
-	bne	map
-	ldx	#16
-map:	dex
+        ; Map colors like this: 0 -> 0, 1 -> 15, 2 -> 1, 3 -> 2 etc.
+        beq     cont
+        cpx     #1
+        bne     map
+        ldx     #16
+map:    dex
 cont:
 .endif
 
-	lda	masks,x
-	sta	mask
-	rts
+        lda     masks,x
+        sta     mask
+        rts
 .endproc
 
 ; ******************************************************************************
 
 .proc CALC
 
-	; ----------------------------------------------------------------------
-	;
-	; CALC: Calculate the screen address
-	;	in
-	;		x1 (ptr1)	x coordinate
-	;		y1 (ptr2)	y coordinate
-	;	out
-	;		sptr + y	screen address
-	;		x		bit mask index
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; CALC: Calculate the screen address
+        ;       in
+        ;               x1 (ptr1)       x coordinate
+        ;               y1 (ptr2)       y coordinate
+        ;       out
+        ;               sptr + y        screen address
+        ;               x               bit mask index
+        ;
+        ; ----------------------------------------------------------------------
 
 .bss
-	temp:	.res	1
+        temp:   .res    1
 .code
-	; calculate line offset
-	lda	y1 + 1
-	sta	temp
-	lda	y1
+        ; calculate line offset
+        lda     y1 + 1
+        sta     temp
+        lda     y1
 
 .if ::x_res / ::ppb = 40
-	yrep = 3
+        yrep = 3
 .elseif ::x_res / ::ppb = 20
-	yrep = 2
+        yrep = 2
 .elseif ::x_res / ::ppb = 10
-	yrep = 1
+        yrep = 1
 .endif
 
-.repeat	yrep
-	asl	a
-	rol	temp
+.repeat yrep
+        asl     a
+        rol     temp
 .endrepeat
 
-	sta	sptr
-	ldx	temp
-	stx	sptr + 1
+        sta     sptr
+        ldx     temp
+        stx     sptr + 1
 
-.repeat	2
-	  asl	a
-	  rol	temp
+.repeat 2
+          asl   a
+          rol   temp
 .endrepeat
 
-	add	sptr
-	sta	sptr
-	lda	temp
-	adc	sptr + 1
-	sta	sptr + 1
+        add     sptr
+        sta     sptr
+        lda     temp
+        adc     sptr + 1
+        sta     sptr + 1
 
-	; calculate bit mask offset
-	lda	x1
-	and	#ppb - 1
-	tax
+        ; calculate bit mask offset
+        lda     x1
+        and     #ppb - 1
+        tax
 
-	; calculate row offset
-	lda	x1 + 1
-	sta	temp
-	lda	x1
+        ; calculate row offset
+        lda     x1 + 1
+        sta     temp
+        lda     x1
 
 .if ::ppb = 8
-	xrep = 3
+        xrep = 3
 .elseif ::ppb = 4
-	xrep = 2
+        xrep = 2
 .elseif ::ppb = 2
-	xrep = 1
+        xrep = 1
 .endif
 
-.repeat	xrep
-	lsr	temp
-	ror	a
+.repeat xrep
+        lsr     temp
+        ror     a
 .endrepeat
 
-	tay
+        tay
 
-	; sptr += SAVMSC
-	lda	SAVMSC
-	add	sptr
-	sta	sptr
-	lda	SAVMSC + 1
-	adc	sptr + 1
-	sta	sptr + 1
+        ; sptr += SAVMSC
+        lda     SAVMSC
+        add     sptr
+        sta     sptr
+        lda     SAVMSC + 1
+        adc     sptr + 1
+        sta     sptr + 1
 
-	; We're done!
-	rts
+        ; We're done!
+        rts
 .endproc
 
 ; ******************************************************************************
 
 .proc SETPIXEL
 
-	; ----------------------------------------------------------------------
-	;
-	; Draw one pixel at x1, y1
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Draw one pixel at x1, y1
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	jsr	CALC
-	put_pixel
-	rts
+        jsr     CALC
+        put_pixel
+        rts
 .endproc
 
 ; ******************************************************************************
 
 .proc GETPIXEL
 
-	; ----------------------------------------------------------------------
-	;
-	; GETPIXEL: Read the color value of a pixel and return it in A/X
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; GETPIXEL: Read the color value of a pixel and return it in A/X
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	jsr	CALC
-	lda	(sptr),y
-	and	mask_table,x
+        jsr     CALC
+        lda     (sptr),y
+        and     mask_table,x
 
 .if ::ppb = 8
-	beq	zero
-	lda	#1
-zero:	ldx	#0
-	rts
+        beq     zero
+        lda     #1
+zero:   ldx     #0
+        rts
 .elseif ::ppb = 4
-loop:	cpx	#3
-	beq	done4
-	lsr	a
-	lsr	a
-	inx
-	bne	loop
-done4:	and	#$03
-	ldx	#0
-	rts
+loop:   cpx     #3
+        beq     done4
+        lsr     a
+        lsr     a
+        inx
+        bne     loop
+done4:  and     #$03
+        ldx     #0
+        rts
 .elseif ::ppb = 2
-	dex
-	bne	shift
-	and	#$0F
-	jmp	exit
-shift:	lsr	a
-	lsr	a
-	lsr	a
-	lsr	a
+        dex
+        bne     shift
+        and     #$0F
+        jmp     exit
+shift:  lsr     a
+        lsr     a
+        lsr     a
+        lsr     a
 
 exit:
 
 .if ::grmode = 9
-	; Mode 9 mapping
-	; Map colors like this: 0 -> 0, 15 -> 1, 2 -> 3, 3 -> 4 etc.
-	beq	done9
-	cmp	#15
-	bne	map9
-	lda	#0
-map9:	add	#1
+        ; Mode 9 mapping
+        ; Map colors like this: 0 -> 0, 15 -> 1, 2 -> 3, 3 -> 4 etc.
+        beq     done9
+        cmp     #15
+        bne     map9
+        lda     #0
+map9:   add     #1
 done9:
 .endif
 
 .if ::grmode = 10
-	; Mode 10 mapping
-	; Map out of range colors like this:
-	;  9 -> 8
-	; 10 -> 8
-	; 11 -> 8
-	; 12 -> 0
-	; 13 -> 1
-	; 14 -> 2
-	; 15 -> 3
-	cmp	#9
-	bcc	done10
-	sub	#12
-	bcs	done10
-	lda	#8
+        ; Mode 10 mapping
+        ; Map out of range colors like this:
+        ;  9 -> 8
+        ; 10 -> 8
+        ; 11 -> 8
+        ; 12 -> 0
+        ; 13 -> 1
+        ; 14 -> 2
+        ; 15 -> 3
+        cmp     #9
+        bcc     done10
+        sub     #12
+        bcs     done10
+        lda     #8
 done10:
 .endif ; ::grmode = 10
 
-	; Done!
-	ldx	#0
-	rts
-.endif	; ::ppb = 2
+        ; Done!
+        ldx     #0
+        rts
+.endif  ; ::ppb = 2
 
 .endproc
 
@@ -602,422 +602,422 @@ done10:
 
 .proc LINE
 
-	; ----------------------------------------------------------------------
-	;
-	; LINE: Draw a line from x1,y1 to x2,y2
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; LINE: Draw a line from x1,y1 to x2,y2
+        ;
+        ; ----------------------------------------------------------------------
 
 .ifdef USE_CIO_LINE
 
-	; position ptr1, ptr2
-	lda	x1
-	sta	OLDCOL
-	lda	x1 + 1
-	sta	OLDCOL + 1
-	lda	y1
-	sta	OLDROW
-	; plot
-	jsr	SETPIXEL
-	; position ptr3,ptr4
-	lda	x2
-	sta	COLCRS
-	lda	x2 + 1
-	sta	COLCRS + 1
-	lda	y2
-	sta	ROWCRS
-	; drawto
-	ldx	griocb
-	lda	#DRAWLN
-	sta	ICCOM,x
-	lda	mask
+        ; position ptr1, ptr2
+        lda     x1
+        sta     OLDCOL
+        lda     x1 + 1
+        sta     OLDCOL + 1
+        lda     y1
+        sta     OLDROW
+        ; plot
+        jsr     SETPIXEL
+        ; position ptr3,ptr4
+        lda     x2
+        sta     COLCRS
+        lda     x2 + 1
+        sta     COLCRS + 1
+        lda     y2
+        sta     ROWCRS
+        ; drawto
+        ldx     griocb
+        lda     #DRAWLN
+        sta     ICCOM,x
+        lda     mask
 
 .if ::grmode = 10
-	and	#$0f
+        and     #$0f
 .else
-	and	#colors - 1
+        and     #colors - 1
 .endif
 
-	sta	ATACHR
-	jmp	CIOV
+        sta     ATACHR
+        jmp     CIOV
 
-.else	; USE_CIO_LINE
+.else   ; USE_CIO_LINE
 
 ; locals
 
-	dx	:=	sreg
-	dy	:=	y1
-	dx2	:=	x2
-	dy2	:=	y2
-	iy	:=	tmp1
-	err	:=	tmp3
+        dx      :=      sreg
+        dy      :=      y1
+        dx2     :=      x2
+        dy2     :=      y2
+        iy      :=      tmp1
+        err     :=      tmp3
 
 .code
-	; dx = x2 - x1
-	lda	x2
-	sub	x1
-	sta	dx
-	lda	x2 + 1
-	sbc	x1 + 1
-	sta	dx + 1
-	; if dx is positive, no problem
-	bcs	dx_positive
-
-	; if dx is negative, swap x1,y1 with x2,y2
-	lda	x1	; x1 <-> x2, low byte
-	ldx	x2
-	sta	x2
-	stx	x1
-	lda	x1 + 1	; x1 <-> x2, high byte
-	ldx	x2 + 1
-	sta	x2 + 1
-	stx	x1 + 1
-	lda	y1	; y1 <-> y2, low byte
-	ldx	y2
-	sta	y2
-	stx	y1
-	lda	y1 + 1	; y1 <-> y2, high byte
-	ldx	y2 + 1
-	sta	y2 + 1
-	stx	y1 + 1
-	; Calculate again
-	jmp	LINE
+        ; dx = x2 - x1
+        lda     x2
+        sub     x1
+        sta     dx
+        lda     x2 + 1
+        sbc     x1 + 1
+        sta     dx + 1
+        ; if dx is positive, no problem
+        bcs     dx_positive
+
+        ; if dx is negative, swap x1,y1 with x2,y2
+        lda     x1      ; x1 <-> x2, low byte
+        ldx     x2
+        sta     x2
+        stx     x1
+        lda     x1 + 1  ; x1 <-> x2, high byte
+        ldx     x2 + 1
+        sta     x2 + 1
+        stx     x1 + 1
+        lda     y1      ; y1 <-> y2, low byte
+        ldx     y2
+        sta     y2
+        stx     y1
+        lda     y1 + 1  ; y1 <-> y2, high byte
+        ldx     y2 + 1
+        sta     y2 + 1
+        stx     y1 + 1
+        ; Calculate again
+        jmp     LINE
 
 dx_positive:
-	; Calculate coords
-	jsr	CALC
-
-	; dy = y2 - y1
-	lda	y2
-	sub	y1
-	sta	dy
-	lda	y2 + 1
-	sbc	y1 + 1
-	sta	dy + 1
-
-	; if dy is negative
-	bcs	dy_positive
-	; dy = -dy
-	lda	#0
-	sub	dy
-	sta	dy
-	lda	#0
-	sbc	dy + 1
-	sta	dy + 1
-	; iy = -row_size
-	lda	#<(65536 - x_res / ppb)
-	sta	iy
-	lda	#>(65536 - x_res / ppb)
-	sta	iy + 1
-	bne	skip_iy_1		; always
+        ; Calculate coords
+        jsr     CALC
+
+        ; dy = y2 - y1
+        lda     y2
+        sub     y1
+        sta     dy
+        lda     y2 + 1
+        sbc     y1 + 1
+        sta     dy + 1
+
+        ; if dy is negative
+        bcs     dy_positive
+        ; dy = -dy
+        lda     #0
+        sub     dy
+        sta     dy
+        lda     #0
+        sbc     dy + 1
+        sta     dy + 1
+        ; iy = -row_size
+        lda     #<(65536 - x_res / ppb)
+        sta     iy
+        lda     #>(65536 - x_res / ppb)
+        sta     iy + 1
+        bne     skip_iy_1               ; always
 
 dy_positive:
-	; iy = row_size
-	lda	#<(x_res / ppb)
-	sta	iy
-	lda	#>(x_res / ppb)
-	sta	iy + 1
+        ; iy = row_size
+        lda     #<(x_res / ppb)
+        sta     iy
+        lda     #>(x_res / ppb)
+        sta     iy + 1
 skip_iy_1:
 
-	; dx2 = dx * 2
-	lda	dx
-	asl	a
-	sta	dx2
-	lda	dx + 1
-	rol	a
-	sta	dx2 + 1
-
-	; dy2 = dy * 2
-	lda	dy
-	asl	a
-	sta	dy2
-	lda	dy + 1
-	rol	a
-	sta	dy2 + 1
-
-	; if dx >= dy
-	lda	dx
-	cmp	dy
-	lda	dx + 1
-	sbc	dy + 1
-	bcc	dy_major
-
-	; dx is the major axis
-
-	; err = dy2 - dx
-	lda	dy2
-	sub	dx
-	sta	err
-	lda	dy2 + 1
-	sbc	dx + 1
-	sta	err + 1
-
-	.scope
-loop:	; main loop
-	put_pixel
-	; if err >= 0
-	lda	err + 1
-	bmi	err_neg
-	; err -= dx2
-	lda	err
-	sub	dx2
-	sta	err
-	lda	err + 1
-	sbc	dx2 + 1
-	sta	err + 1
-	; move_vertical (iy)
-	lda	sptr
-	add	iy
-	sta	sptr
-	lda	sptr + 1
-	adc	iy + 1
-	sta	sptr + 1
+        ; dx2 = dx * 2
+        lda     dx
+        asl     a
+        sta     dx2
+        lda     dx + 1
+        rol     a
+        sta     dx2 + 1
+
+        ; dy2 = dy * 2
+        lda     dy
+        asl     a
+        sta     dy2
+        lda     dy + 1
+        rol     a
+        sta     dy2 + 1
+
+        ; if dx >= dy
+        lda     dx
+        cmp     dy
+        lda     dx + 1
+        sbc     dy + 1
+        bcc     dy_major
+
+        ; dx is the major axis
+
+        ; err = dy2 - dx
+        lda     dy2
+        sub     dx
+        sta     err
+        lda     dy2 + 1
+        sbc     dx + 1
+        sta     err + 1
+
+        .scope
+loop:   ; main loop
+        put_pixel
+        ; if err >= 0
+        lda     err + 1
+        bmi     err_neg
+        ; err -= dx2
+        lda     err
+        sub     dx2
+        sta     err
+        lda     err + 1
+        sbc     dx2 + 1
+        sta     err + 1
+        ; move_vertical (iy)
+        lda     sptr
+        add     iy
+        sta     sptr
+        lda     sptr + 1
+        adc     iy + 1
+        sta     sptr + 1
 err_neg:
-	; err += dy2
-	lda	err
-	add	dy2
-	sta	err
-	lda	err + 1
-	adc	dy2 + 1
-	sta	err + 1
-	; move_right
-	inx
-	cpx	#ppb
-	bne	end_move
-	ldx	#0
-	iny
-	bne	end_move
-	inc	sptr + 1
+        ; err += dy2
+        lda     err
+        add     dy2
+        sta     err
+        lda     err + 1
+        adc     dy2 + 1
+        sta     err + 1
+        ; move_right
+        inx
+        cpx     #ppb
+        bne     end_move
+        ldx     #0
+        iny
+        bne     end_move
+        inc     sptr + 1
 end_move:
-	; loop while dx-- >= 0
-	lda	dx
-	ora	dx + 1
-	beq	exit
-	dec	dx
-	lda	dx
-	cmp	#$FF
-	bne	loop
-	dec	dx + 1
-	jmp	loop
-exit:	rts
-	.endscope
+        ; loop while dx-- >= 0
+        lda     dx
+        ora     dx + 1
+        beq     exit
+        dec     dx
+        lda     dx
+        cmp     #$FF
+        bne     loop
+        dec     dx + 1
+        jmp     loop
+exit:   rts
+        .endscope
 
 dy_major:
-	; dy is the major axis
-
-	; err = dx2 - dy;
-	lda	dx2
-	sub	dy
-	sta	err
-	lda	dx2 + 1
-	sbc	dy + 1
-	sta	err + 1
-
-	.scope
-loop:	; main loop
-	put_pixel
-	; if err >= 0
-	lda	err + 1
-	bmi	end_move
-	; err -= dy2
-	lda	err
-	sub	dy2
-	sta	err
-	lda	err + 1
-	sbc	dy2 + 1
-	sta	err + 1
-	; move_right
-	inx
-	cpx	#ppb
-	bne	end_move
-	ldx	#0
-	iny
-	bne	end_move
-	inc	sptr + 1
+        ; dy is the major axis
+
+        ; err = dx2 - dy;
+        lda     dx2
+        sub     dy
+        sta     err
+        lda     dx2 + 1
+        sbc     dy + 1
+        sta     err + 1
+
+        .scope
+loop:   ; main loop
+        put_pixel
+        ; if err >= 0
+        lda     err + 1
+        bmi     end_move
+        ; err -= dy2
+        lda     err
+        sub     dy2
+        sta     err
+        lda     err + 1
+        sbc     dy2 + 1
+        sta     err + 1
+        ; move_right
+        inx
+        cpx     #ppb
+        bne     end_move
+        ldx     #0
+        iny
+        bne     end_move
+        inc     sptr + 1
 end_move:
-	; err += dx2
-	lda	err
-	add	dx2
-	sta	err
-	lda	err + 1
-	adc	dx2 + 1
-	sta	err + 1
-	; move_vertical(iy)
-	lda	sptr
-	add	iy
-	sta	sptr
-	lda	sptr + 1
-	adc	iy + 1
-	sta	sptr + 1
-	; loop while dy-- >= 0
-	lda	dy
-	ora	dy + 1
-	beq	exit
-	dec	dy
-	lda	dy
-	cmp	#$FF
-	bne	loop
-	dec	dy + 1
-	jmp	loop
-exit:	rts
-	.endscope
-.endif	; USE_CIO_LINE
+        ; err += dx2
+        lda     err
+        add     dx2
+        sta     err
+        lda     err + 1
+        adc     dx2 + 1
+        sta     err + 1
+        ; move_vertical(iy)
+        lda     sptr
+        add     iy
+        sta     sptr
+        lda     sptr + 1
+        adc     iy + 1
+        sta     sptr + 1
+        ; loop while dy-- >= 0
+        lda     dy
+        ora     dy + 1
+        beq     exit
+        dec     dy
+        lda     dy
+        cmp     #$FF
+        bne     loop
+        dec     dy + 1
+        jmp     loop
+exit:   rts
+        .endscope
+.endif  ; USE_CIO_LINE
 .endproc
 
 ; ******************************************************************************
 
 .proc clipped_bar
 
-	; ----------------------------------------------------------------------
-	;
-	; Clip and draw bar, this function will disappear when text clipping
-	; will be done int the TGI kernel
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Clip and draw bar, this function will disappear when text clipping
+        ; will be done int the TGI kernel
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	lda	y1 + 1
-	bne	off
-	lda	y1
-	cmp	#y_res
-	bcs	off
+        lda     y1 + 1
+        bne     off
+        lda     y1
+        cmp     #y_res
+        bcs     off
 
-	lda	x1 + 1
+        lda     x1 + 1
 
 .if >(::x_res - 1) > 0
-	cmp	#>x_res
-	bcc	check2
+        cmp     #>x_res
+        bcc     check2
 .endif
 
-	bne	off
-	lda	x1
-	cmp	#(::x_res - 1) > 0
-	cmp	#>x_res
-	bcc	BAR
+        cmp     #>x_res
+        bcc     BAR
 .endif
 
-	bne	off
-	lda	x2
-	cmp	#(::x_res - 1) > 0
-	lda	x2 + 1
-	sta	x1 + 1
+        lda     x2 + 1
+        sta     x1 + 1
 .endif
 
-	jsr	CALC
-	; Save the values
-	tya
-	add	sptr
-	sta	sptr
-	bcc	skips
-	inc	sptr + 1
-skips:	inx
-	lda	bar_table,x
-	eor	#$FF
-	sta	rmask
-	; Calculate memory difference between x1 and x2
-	lda	sptr
-	sub	lmem
-	sta	dx
-loop:	; Main loop
-	ldy	#0
-	ldx	dx
-	beq	same
-	; Left
-	lda	(lmem),y
-	eor	mask
-	and	lmask
-	eor	(lmem),y
-	sta	(lmem),y
-	iny
-	; Between
-	lda	mask
-	jmp	next
-btwn:	sta	(lmem),y
-	iny
-next:	dex
-	bne	btwn
-	; Right
-	lda	(lmem),y
-	eor	mask
-	and	rmask
-	eor	(lmem),y
-	sta	(lmem),y
-	jmp	cont
-same:	; Same byte
-	lda	lmask
-	and	rmask
-	sta	fmask
-	lda	(lmem),y
-	eor	mask
-	and	fmask
-	eor	(lmem),y
-	sta	(lmem),y
-cont:	; Go to next row
-	lda	lmem
-	add	#<(x_res / ppb)
-	sta	lmem
-	bcc	skipm
-	inc	lmem + 1
-skipm:	; Loop while --dy > 0
-	dec	dy
-	bne	loop
-
-	rts
+        jsr     CALC
+        ; Save the values
+        tya
+        add     sptr
+        sta     sptr
+        bcc     skips
+        inc     sptr + 1
+skips:  inx
+        lda     bar_table,x
+        eor     #$FF
+        sta     rmask
+        ; Calculate memory difference between x1 and x2
+        lda     sptr
+        sub     lmem
+        sta     dx
+loop:   ; Main loop
+        ldy     #0
+        ldx     dx
+        beq     same
+        ; Left
+        lda     (lmem),y
+        eor     mask
+        and     lmask
+        eor     (lmem),y
+        sta     (lmem),y
+        iny
+        ; Between
+        lda     mask
+        jmp     next
+btwn:   sta     (lmem),y
+        iny
+next:   dex
+        bne     btwn
+        ; Right
+        lda     (lmem),y
+        eor     mask
+        and     rmask
+        eor     (lmem),y
+        sta     (lmem),y
+        jmp     cont
+same:   ; Same byte
+        lda     lmask
+        and     rmask
+        sta     fmask
+        lda     (lmem),y
+        eor     mask
+        and     fmask
+        eor     (lmem),y
+        sta     (lmem),y
+cont:   ; Go to next row
+        lda     lmem
+        add     #<(x_res / ppb)
+        sta     lmem
+        bcc     skipm
+        inc     lmem + 1
+skipm:  ; Loop while --dy > 0
+        dec     dy
+        bne     loop
+
+        rts
 
 .endproc
 
@@ -1025,378 +1025,378 @@ skipm:	; Loop while --dy > 0
 
 .proc TEXTSTYLE
 
-	; ----------------------------------------------------------------------
-	;
-	; TEXTSTYLE: Set text style. Scale factors in X and Y and direction in A
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; TEXTSTYLE: Set text style. Scale factors in X and Y and direction in A
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	stx	mag_x
-	sty     mag_y
-	; Save text direction in bit 8 so that we can use BIT instruction later
-	lsr	a
-	ror	a
-	sta     text_dir
-	; Save 8 * scaling factors
-	lda	#0
-	sta	mag_x8 + 1
-	sta	mag_y8 + 1
-	; Save 8 * mag_x
-	txa
-
-	.repeat	3
-	asl	a
-	rol	mag_x8 + 1
-	.endrepeat
-
-	sta	mag_x8
-	; Save 8 * mag_y
-	tya
-
-	.repeat	3
-	asl	a
-	rol	mag_y8 + 1
-	.endrepeat
-
-	sta	mag_y8
-	; Done!
-	rts
+        stx     mag_x
+        sty     mag_y
+        ; Save text direction in bit 8 so that we can use BIT instruction later
+        lsr     a
+        ror     a
+        sta     text_dir
+        ; Save 8 * scaling factors
+        lda     #0
+        sta     mag_x8 + 1
+        sta     mag_y8 + 1
+        ; Save 8 * mag_x
+        txa
+
+        .repeat 3
+        asl     a
+        rol     mag_x8 + 1
+        .endrepeat
+
+        sta     mag_x8
+        ; Save 8 * mag_y
+        tya
+
+        .repeat 3
+        asl     a
+        rol     mag_y8 + 1
+        .endrepeat
+
+        sta     mag_y8
+        ; Done!
+        rts
 .endproc
 
 ; ******************************************************************************
 
 .proc OUTTEXT
 
-	; ----------------------------------------------------------------------
-	;
-	; OUTTEXT: Draw text at x1, y1. String is in ptr3
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; OUTTEXT: Draw text at x1, y1. String is in ptr3
+        ;
+        ; ----------------------------------------------------------------------
 
 ; locals
-	string	:= tmp1
-	cols	:= tmp3
-	pixels	:= tmp4
-	font	:= regsave
+        string  := tmp1
+        cols    := tmp3
+        pixels  := tmp4
+        font    := regsave
 .rodata
-	ataint:	.byte	64,0,32,96
+        ataint: .byte   64,0,32,96
 .bss
-	rows:	.res	1
+        rows:   .res    1
 
 .if >(::x_res - 1) > 0
-	oldx1:	.res	2
-	oldx2:	.res	2
+        oldx1:  .res    2
+        oldx2:  .res    2
 .else
-	oldx1:	.res	1
-	oldx2:	.res	1
+        oldx1:  .res    1
+        oldx2:  .res    1
 .endif
 
-	oldy1:	.res	1
-	oldy2:	.res	1
-	inv:	.res	1
+        oldy1:  .res    1
+        oldy2:  .res    1
+        inv:    .res    1
 
 .code
-	; Don't draw zero sized characters
-	lda	mag_x
-	ora	mag_y
-	bne	not0
-	rts
-
-not0:	; Save string address, ptr3 is needed by BAR
-	lda	ptr3
-	sta	string
-	lda	ptr3 + 1
-	sta	string + 1
-
-	bit	text_dir
-	bmi	vert
-
-	; Calculate x2
-	lda	mag_x
-	sub	#1
-	add	x1
-	sta	x2
+        ; Don't draw zero sized characters
+        lda     mag_x
+        ora     mag_y
+        bne     not0
+        rts
+
+not0:   ; Save string address, ptr3 is needed by BAR
+        lda     ptr3
+        sta     string
+        lda     ptr3 + 1
+        sta     string + 1
+
+        bit     text_dir
+        bmi     vert
+
+        ; Calculate x2
+        lda     mag_x
+        sub     #1
+        add     x1
+        sta     x2
 
 .if >(::x_res - 1) > 0
-	lda	x1 + 1
-	adc	#0
-	sta	x2 + 1
+        lda     x1 + 1
+        adc     #0
+        sta     x2 + 1
 .else
-	lda	#0
-	sta	x2 + 1
+        lda     #0
+        sta     x2 + 1
 .endif
 
-	; Calculate y2 and adjust y1
-	dec	y1
-	lda	y1
-	sta	y2
-	sub	mag_y
-	add	#1
-	sta	y1
-	lda	#0
-	sta	y2 + 1
-
-	jmp	while
-
-	; Calculate for vertical text
-vert:	lda	x1
-	sub	#1
-	sta	x2
-	lda	x1 + 1
-	sbc	#0
-	sta	x2 + 1
-	lda	x1
-	sub	mag_y
-	sta	x1
-	lda	x1 + 1
-	sbc	#0
-	sta	x1 + 1
-
-	lda	mag_x
-	sub	#1
-	add	y1
-	sta	y2
-	lda	#0
-	sta	y2 + 1
-	jmp	while
-
-	; Main loop
-loop:	inc	string
-	bne	skiph
-	inc	string + 1
-skiph:	; Save coords
-	bit	text_dir
-	bmi	scvert
-
-	ldx	y1
-	stx	oldy1
-	ldx	y2
-	stx	oldy2
-	jmp	draw
-
-scvert:	ldx	x1
-	stx	oldx1
-	ldx	x2
-	stx	oldx2
+        ; Calculate y2 and adjust y1
+        dec     y1
+        lda     y1
+        sta     y2
+        sub     mag_y
+        add     #1
+        sta     y1
+        lda     #0
+        sta     y2 + 1
+
+        jmp     while
+
+        ; Calculate for vertical text
+vert:   lda     x1
+        sub     #1
+        sta     x2
+        lda     x1 + 1
+        sbc     #0
+        sta     x2 + 1
+        lda     x1
+        sub     mag_y
+        sta     x1
+        lda     x1 + 1
+        sbc     #0
+        sta     x1 + 1
+
+        lda     mag_x
+        sub     #1
+        add     y1
+        sta     y2
+        lda     #0
+        sta     y2 + 1
+        jmp     while
+
+        ; Main loop
+loop:   inc     string
+        bne     skiph
+        inc     string + 1
+skiph:  ; Save coords
+        bit     text_dir
+        bmi     scvert
+
+        ldx     y1
+        stx     oldy1
+        ldx     y2
+        stx     oldy2
+        jmp     draw
+
+scvert: ldx     x1
+        stx     oldx1
+        ldx     x2
+        stx     oldx2
 
 .if >(::x_res - 1) > 0
-	ldx	x1 + 1
-	stx	oldx1 + 1
-	ldx	x2 + 1
-	stx	oldx2 + 1
+        ldx     x1 + 1
+        stx     oldx1 + 1
+        ldx     x2 + 1
+        stx     oldx2 + 1
 .endif
 
-	; Draw one character
-	; Convert to ANTIC code
-draw:	tay
-	rol	a
-	rol	a
-	rol	a
-	rol	a
-	and	#3
-	tax
-	tya
-	and	#$9f
-	ora	ataint,x
-	; Save and clear inverse video bit
-	sta	inv
-	and	#$7F
-	; Calculate font data address
-	sta	font
-	lda	#0
-	sta	font + 1
-
-	.repeat 3
-	asl	font
-	rol	a
-	.endrepeat
-
-	adc	CHBAS
-	sta	font + 1
-	; Save old coords
-	bit	text_dir
-	bpl	hor
-	lda	y1
-	sta	oldy1
-	lda	y2
-	sta	oldy2
-	jmp	cont
-hor:	lda	x1
-	sta	oldx1
-	lda	x2
-	sta	oldx2
+        ; Draw one character
+        ; Convert to ANTIC code
+draw:   tay
+        rol     a
+        rol     a
+        rol     a
+        rol     a
+        and     #3
+        tax
+        tya
+        and     #$9f
+        ora     ataint,x
+        ; Save and clear inverse video bit
+        sta     inv
+        and     #$7F
+        ; Calculate font data address
+        sta     font
+        lda     #0
+        sta     font + 1
+
+        .repeat 3
+        asl     font
+        rol     a
+        .endrepeat
+
+        adc     CHBAS
+        sta     font + 1
+        ; Save old coords
+        bit     text_dir
+        bpl     hor
+        lda     y1
+        sta     oldy1
+        lda     y2
+        sta     oldy2
+        jmp     cont
+hor:    lda     x1
+        sta     oldx1
+        lda     x2
+        sta     oldx2
 
 .if >(::x_res - 1) > 0
-	lda	x1 + 1
-	sta	oldx1 + 1
-	lda	x2 + 1
-	sta	oldx2 + 1
+        lda     x1 + 1
+        sta     oldx1 + 1
+        lda     x2 + 1
+        sta     oldx2 + 1
 .endif
 
-	; Get glyph pixels
-cont:	ldy	#7
-	; Put one row of the glyph
-putrow:	sty	rows
-	lda	(font),y
-	bit	inv
-	bpl	noinv
-	eor	#$FF
-noinv:	sta	pixels
-	lda	#7
-	sta	cols
-	; Put one column of the row
-putcol:	asl	pixels
-	bcc	next_col
-	lda	x1
-	pha
-	lda	x1 + 1
-	pha
-	jsr	clipped_bar
-	pla
-	sta	x1 + 1
-	pla
-	sta	x1
+        ; Get glyph pixels
+cont:   ldy     #7
+        ; Put one row of the glyph
+putrow: sty     rows
+        lda     (font),y
+        bit     inv
+        bpl     noinv
+        eor     #$FF
+noinv:  sta     pixels
+        lda     #7
+        sta     cols
+        ; Put one column of the row
+putcol: asl     pixels
+        bcc     next_col
+        lda     x1
+        pha
+        lda     x1 + 1
+        pha
+        jsr     clipped_bar
+        pla
+        sta     x1 + 1
+        pla
+        sta     x1
 next_col:
-	; Go to next column
-	; increase x coords
-	bit	text_dir
-	bmi	vertinc
-
-	lda	mag_x
-	add	x1
-	sta	x1
-	bcc	L1
-	inc	x1 + 1
-L1:	lda	mag_x
-	add	x2
-	sta	x2
-	bcc	L2
-	inc	x2 + 1
-	jmp	L2
+        ; Go to next column
+        ; increase x coords
+        bit     text_dir
+        bmi     vertinc
+
+        lda     mag_x
+        add     x1
+        sta     x1
+        bcc     L1
+        inc     x1 + 1
+L1:     lda     mag_x
+        add     x2
+        sta     x2
+        bcc     L2
+        inc     x2 + 1
+        jmp     L2
 
 vertinc:
-	lda	y1
-	sub	mag_x
-	sta	y1
-	lda	y2
-	sub	mag_x
-	sta	y2
+        lda     y1
+        sub     mag_x
+        sta     y1
+        lda     y2
+        sub     mag_x
+        sta     y2
 L2:
-	dec	cols
-	bpl	putcol
+        dec     cols
+        bpl     putcol
 next_row:
-	; Go to next row
-	bit	text_dir
-	bmi	verty
-
-	lda	y1
-	sub	mag_y
-	sta	y1
-	bcs	L3
-	dec	y1 + 1
-L3:	lda	y2
-	sub	mag_y
-	sta	y2
-	bcs	L6
-	dec	y2 + 1
-L4:	jmp	L6
-
-verty:	lda	x1
-	sub	mag_y
-	sta	x1
-	bcs	L5
-	dec	x1 + 1
-L5:	lda	x2
-	sub	mag_y
-	sta	x2
-	bcs	L6
-	dec	x2 + 1
+        ; Go to next row
+        bit     text_dir
+        bmi     verty
+
+        lda     y1
+        sub     mag_y
+        sta     y1
+        bcs     L3
+        dec     y1 + 1
+L3:     lda     y2
+        sub     mag_y
+        sta     y2
+        bcs     L6
+        dec     y2 + 1
+L4:     jmp     L6
+
+verty:  lda     x1
+        sub     mag_y
+        sta     x1
+        bcs     L5
+        dec     x1 + 1
+L5:     lda     x2
+        sub     mag_y
+        sta     x2
+        bcs     L6
+        dec     x2 + 1
 L6:
-	; Restore old values
-	bit	text_dir
-	bpl	reshor
-	lda	oldy1
-	sta	y1
-	lda	oldy2
-	sta	y2
-	jmp	nextrow
-reshor:	lda	oldx1
-	sta	x1
-	lda	oldx2
-	sta	x2
+        ; Restore old values
+        bit     text_dir
+        bpl     reshor
+        lda     oldy1
+        sta     y1
+        lda     oldy2
+        sta     y2
+        jmp     nextrow
+reshor: lda     oldx1
+        sta     x1
+        lda     oldx2
+        sta     x2
 
 .if >(::x_res - 1) > 0
-	lda	oldx1 + 1
-	sta	x1 + 1
-	lda	oldx2 + 1
-	sta	x2 + 1
+        lda     oldx1 + 1
+        sta     x1 + 1
+        lda     oldx2 + 1
+        sta     x2 + 1
 .endif
 
-	; Next row
+        ; Next row
 nextrow:
-	ldy	rows
-	dey
-	jpl	putrow
-
-	; Restore coords
-	bit	text_dir
-	bmi	resvert
-
-	ldx	oldy1
-	stx	y1
-	ldx	oldy2
-	stx	y2
-	ldx	#0
-	stx	y1 + 1
-	stx	y2 + 1
-
-	lda	mag_x8
-	add	x1
-	sta	x1
-	lda	mag_x8 + 1
-	adc	x1 + 1
-	sta	x1 + 1
-	lda	mag_x8
-	add	x2
-	sta	x2
-	lda	mag_x8 + 1
-	adc	x2 + 1
-	sta	x2 + 1
-
-	jmp	while
+        ldy     rows
+        dey
+        jpl     putrow
+
+        ; Restore coords
+        bit     text_dir
+        bmi     resvert
+
+        ldx     oldy1
+        stx     y1
+        ldx     oldy2
+        stx     y2
+        ldx     #0
+        stx     y1 + 1
+        stx     y2 + 1
+
+        lda     mag_x8
+        add     x1
+        sta     x1
+        lda     mag_x8 + 1
+        adc     x1 + 1
+        sta     x1 + 1
+        lda     mag_x8
+        add     x2
+        sta     x2
+        lda     mag_x8 + 1
+        adc     x2 + 1
+        sta     x2 + 1
+
+        jmp     while
 
 resvert:
-	ldx	oldx1
-	stx	x1
-	ldx	oldx2
-	stx	x2
+        ldx     oldx1
+        stx     x1
+        ldx     oldx2
+        stx     x2
 
 .if >(::x_res - 1) > 0
-	ldx	oldx1 + 1
-	stx	x1 + 1
-	ldx	oldx2 + 1
-	stx	x2 + 1
+        ldx     oldx1 + 1
+        stx     x1 + 1
+        ldx     oldx2 + 1
+        stx     x2 + 1
 .endif
 
-	lda	y1
-	sub	mag_x8
-	sta	y1
-	lda	y1 +1
-	sbc	mag_x8 + 1
-	sta	y1 + 1
-	lda	y2
-	sub	mag_x8
-	sta	y2
-	lda	y2 +1
-	sbc	mag_x8 + 1
-	sta	y2 + 1
-
-	; End of loop
-while:	ldy	#0
-	lda	(string),y
-	jne	loop		; Check for null character
-	rts
+        lda     y1
+        sub     mag_x8
+        sta     y1
+        lda     y1 +1
+        sbc     mag_x8 + 1
+        sta     y1 + 1
+        lda     y2
+        sub     mag_x8
+        sta     y2
+        lda     y2 +1
+        sbc     mag_x8 + 1
+        sta     y2 + 1
+
+        ; End of loop
+while:  ldy     #0
+        lda     (string),y
+        jne     loop            ; Check for null character
+        rts
 
 .endproc
 
@@ -1405,72 +1405,72 @@ while:	ldy	#0
 
 .proc SETVIEWPAGE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETVIEWPAGE, page in A
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETVIEWPAGE, page in A
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	tax
-	beq	cont
-	lda	#32
+        tax
+        beq     cont
+        lda     #32
 
-cont:	add	p0dls
-	cmp	SDLSTH
-	beq	done		; We're already in the desired page
+cont:   add     p0dls
+        cmp     SDLSTH
+        beq     done            ; We're already in the desired page
 
-	ldx	RTCLOK + 2
-	sta	SDLSTH
+        ldx     RTCLOK + 2
+        sta     SDLSTH
 
-	; Wait until next VBLANK
-wait:	cpx	RTCLOK + 2
-	beq	wait
+        ; Wait until next VBLANK
+wait:   cpx     RTCLOK + 2
+        beq     wait
 
-	; Done
-done:	rts
+        ; Done
+done:   rts
 .endproc
 
 ; ******************************************************************************
 
 .proc SETDRAWPAGE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETDRAWPAGE, page in A
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETDRAWPAGE, page in A
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	tax
-	beq	cont
-	lda	#32
-cont:	add	p0scr
-	sta	SAVMSC + 1
-	rts
+        tax
+        beq     cont
+        lda     #32
+cont:   add     p0scr
+        sta     SAVMSC + 1
+        rts
 .endproc
 .endif
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Unimplemented functions that require an error code
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Unimplemented functions that require an error code
+        ;
+        ; ----------------------------------------------------------------------
 
 CONTROL:
-	lda	#TGI_ERR_INV_FUNC
-	sta	error
-	; fall through
+        lda     #TGI_ERR_INV_FUNC
+        sta     error
+        ; fall through
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Unimplemented functions that don't require an error code
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Unimplemented functions that don't require an error code
+        ;
+        ; ----------------------------------------------------------------------
 
 INSTALL:
 UNINSTALL:
diff --git a/libsrc/atari/tgi/atr10p2.s b/libsrc/atari/tgi/atr10p2.s
index e29ff601c..aa3a6fcee 100644
--- a/libsrc/atari/tgi/atr10p2.s
+++ b/libsrc/atari/tgi/atr10p2.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 10
+        grmode = 10
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 9
+        colors = 9
 ; Pixels per byte
-	ppb = 2
+        ppb = 2
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0330				; based on 4/3 display
+        aspect = $0330                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 15339
+        mem_needed = 15339
 ; Number of screen pages
-	pages = 2
+        pages = 2
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11110000, %00001111
-	masks:					; Color masks
-		.byte	$00, $11, $22, $33, $44, $55, $66, $77, $88
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00001111, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96, $68, $C4, $74, $EE, $4A
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11110000, %00001111
+        masks:                                  ; Color masks
+                .byte   $00, $11, $22, $33, $44, $55, $66, $77, $88
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00001111, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96, $68, $C4, $74, $EE, $4A
 
 .code
 
@@ -55,22 +55,22 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	sta	PCOLR0,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        sta     PCOLR0,y
+        dey
+        bpl     loop
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atr15p2.s b/libsrc/atari/tgi/atr15p2.s
index a3cdd7726..7692d0699 100644
--- a/libsrc/atari/tgi/atr15p2.s
+++ b/libsrc/atari/tgi/atr15p2.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 15
+        grmode = 15
 ; X resolution
-	x_res = 160
+        x_res = 160
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 4
+        colors = 4
 ; Pixels per byte
-	ppb = 4
+        ppb = 4
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0198				; based on 4/3 display
+        aspect = $0198                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 15339
+        mem_needed = 15339
 ; Number of screen pages
-	pages = 2
+        pages = 2
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11000000, %00110000, %00001100, %00000011
-	masks:					; Color masks
-		.byte	%00000000, %01010101, %10101010, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00111111, %00001111, %00000011, %00000000
-	default_palette:
-		.byte	$00, $0E, $32, $96
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11000000, %00110000, %00001100, %00000011
+        masks:                                  ; Color masks
+                .byte   %00000000, %01010101, %10101010, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00111111, %00001111, %00000011, %00000000
+        default_palette:
+                .byte   $00, $0E, $32, $96
 
 .code
 
@@ -55,31 +55,31 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR4
-	lda	palette + 1
-	sta	COLOR0
-	lda	palette + 2
-	sta	COLOR1
-	lda	palette + 3
-	sta	COLOR2
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR4
+        lda     palette + 1
+        sta     COLOR0
+        lda     palette + 2
+        sta     COLOR1
+        lda     palette + 3
+        sta     COLOR2
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atr8p2.s b/libsrc/atari/tgi/atr8p2.s
index 162aa4460..f292f3787 100644
--- a/libsrc/atari/tgi/atr8p2.s
+++ b/libsrc/atari/tgi/atr8p2.s
@@ -4,77 +4,77 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 8
+        grmode = 8
 ; X resolution
-	x_res = 320
+        x_res = 320
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 2
+        colors = 2
 ; Pixels per byte
-	ppb = 8
+        ppb = 8
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $00CC				; based on 4/3 display
+        aspect = $00CC                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 15339
+        mem_needed = 15339
 ; Number of screen pages
-	pages = 2
+        pages = 2
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-	masks:					; Color masks
-		.byte	%00000000, %11111111
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
-	default_palette:
-		.byte	$00, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
+        masks:                                  ; Color masks
+                .byte   %00000000, %11111111
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000
+        default_palette:
+                .byte   $00, $0E
 .code
 
 ; ******************************************************************************
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; Copy the palette
-	ldy     #colors - 1
-loop:	lda     (ptr1),y
-	sta     palette,y
-	dey
-	bpl     loop
+        ; Copy the palette
+        ldy     #colors - 1
+loop:   lda     (ptr1),y
+        sta     palette,y
+        dey
+        bpl     loop
 
-	; Get the color entries from the palette
-	lda	palette
-	sta	COLOR2
-	lda	palette + 1
-	sta	COLOR1
+        ; Get the color entries from the palette
+        lda     palette
+        sta     COLOR2
+        lda     palette + 1
+        sta     COLOR1
 
-	; Done, reset the error code
+        ; Done, reset the error code
         lda     #TGI_ERR_OK
         sta     error
         rts
diff --git a/libsrc/atari/tgi/atr9p2.s b/libsrc/atari/tgi/atr9p2.s
index f8418f112..750df3ad7 100644
--- a/libsrc/atari/tgi/atr9p2.s
+++ b/libsrc/atari/tgi/atr9p2.s
@@ -4,50 +4,50 @@
 ; Fatih Aygun (2009)
 ;
 
-	.include	"atari.inc"
-	.include 	"zeropage.inc"
+        .include        "atari.inc"
+        .include        "zeropage.inc"
 
-	.include 	"tgi-kernel.inc"
-	.include        "tgi-error.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
 
-	.macpack        generic
+        .macpack        generic
 
 ; ******************************************************************************
 
-	; ----------------------------------------------------------------------
-	;
-	; Constants and tables
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; Constants and tables
+        ;
+        ; ----------------------------------------------------------------------
 
 ; Graphics mode
-	grmode = 9
+        grmode = 9
 ; X resolution
-	x_res = 80
+        x_res = 80
 ; Y resolution
-	y_res = 192
+        y_res = 192
 ; Number of colors
-	colors = 16
+        colors = 16
 ; Pixels per byte
-	ppb = 2
+        ppb = 2
 ; Screen memory size in bytes
-	scrsize = x_res * y_res / ppb
+        scrsize = x_res * y_res / ppb
 ; Pixel aspect ratio
-	aspect = $0330				; based on 4/3 display
+        aspect = $0330                          ; based on 4/3 display
 ; Free memory needed
-	mem_needed = 15339
+        mem_needed = 15339
 ; Number of screen pages
-	pages = 2
+        pages = 2
 
 .rodata
-	mask_table:				; Mask table to set pixels
-		.byte	%11110000, %00001111
-	masks:					; Color masks
-		.byte	$00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
-	bar_table:				; Mask table for BAR
-		.byte	%11111111, %00001111, %00000000
-	default_palette:
-		.byte	$00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E
+        mask_table:                             ; Mask table to set pixels
+                .byte   %11110000, %00001111
+        masks:                                  ; Color masks
+                .byte   $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff
+        bar_table:                              ; Mask table for BAR
+                .byte   %11111111, %00001111, %00000000
+        default_palette:
+                .byte   $00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E
 
 .code
 
@@ -55,14 +55,14 @@
 
 .proc SETPALETTE
 
-	; ----------------------------------------------------------------------
-	;
-	; SETPALETTE: Set the palette (in ptr1)
-	;
-	; ----------------------------------------------------------------------
+        ; ----------------------------------------------------------------------
+        ;
+        ; SETPALETTE: Set the palette (in ptr1)
+        ;
+        ; ----------------------------------------------------------------------
 
 .code
-	; No palettes
+        ; No palettes
         lda     #TGI_ERR_INV_FUNC
         sta     error
         rts
diff --git a/libsrc/atari/tgi_colors.s b/libsrc/atari/tgi_colors.s
index 4dab483e2..6ef3729b4 100644
--- a/libsrc/atari/tgi_colors.s
+++ b/libsrc/atari/tgi_colors.s
@@ -2,7 +2,7 @@
 ; Target-specific black & white values for use by the target-shared TGI kernel
 ;
 
-	.include	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
 
-	.export		tgi_color_black:zp = $00
-	.export		tgi_color_white:zp = $01
+        .export         tgi_color_black:zp = $00
+        .export         tgi_color_white:zp = $01
diff --git a/libsrc/atari/tgi_stat_stddrv.s b/libsrc/atari/tgi_stat_stddrv.s
index 015eb6318..05c570d7a 100644
--- a/libsrc/atari/tgi_stat_stddrv.s
+++ b/libsrc/atari/tgi_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void tgi_static_stddrv[];
 ;
 
-        .export	_tgi_static_stddrv
-        .import	_atari8_tgi
+        .export _tgi_static_stddrv
+        .import _atari8_tgi
 
 .rodata
 
diff --git a/libsrc/atari/tgi_stddrv.s b/libsrc/atari/tgi_stddrv.s
index 219842b08..94ced91d4 100644
--- a/libsrc/atari/tgi_stddrv.s
+++ b/libsrc/atari/tgi_stddrv.s
@@ -6,8 +6,8 @@
 ; const char tgi_stddrv[];
 ;
 
-        .export	_tgi_stddrv
+        .export _tgi_stddrv
 
 .rodata
 
-_tgi_stddrv:	.asciiz	"atari8.tgi"
+_tgi_stddrv:    .asciiz "atari8.tgi"
diff --git a/libsrc/atari/toascii.s b/libsrc/atari/toascii.s
index 328f1f486..39de0d746 100644
--- a/libsrc/atari/toascii.s
+++ b/libsrc/atari/toascii.s
@@ -8,12 +8,12 @@
 .proc _toascii
 
 ; Clear the inverse video bit
-	and	#$7F
+        and     #$7F
 
 ; X must be zero on return
-	ldx     #0
+        ldx     #0
 
 ; Done!
-	rts
+        rts
 
 .endproc
diff --git a/libsrc/atari/tvtype.s b/libsrc/atari/tvtype.s
index 84540b898..76661bf72 100644
--- a/libsrc/atari/tvtype.s
+++ b/libsrc/atari/tvtype.s
@@ -9,18 +9,18 @@
 ;
 
 
-	.include	"atari.inc"
-	.include	"get_tv.inc"
+        .include        "atari.inc"
+        .include        "get_tv.inc"
 
-.proc	_get_tv
+.proc   _get_tv
 
-	ldx	#TV::NTSC	; Assume NTSC
-	lda	PAL	 	; use hw register, PALNTS is only supported on XL/XE ROM
-	and	#$0e
-	bne	@NTSC
-	inx			; = TV::PAL
-@NTSC:	txa
-	ldx	#0		; Expand to int
-	rts
+        ldx     #TV::NTSC       ; Assume NTSC
+        lda     PAL             ; use hw register, PALNTS is only supported on XL/XE ROM
+        and     #$0e
+        bne     @NTSC
+        inx                     ; = TV::PAL
+@NTSC:  txa
+        ldx     #0              ; Expand to int
+        rts
 
 .endproc
diff --git a/libsrc/atari/ucase_fn.s b/libsrc/atari/ucase_fn.s
index 79f16167f..a32ddce23 100644
--- a/libsrc/atari/ucase_fn.s
+++ b/libsrc/atari/ucase_fn.s
@@ -6,97 +6,97 @@
 ; used by open.s and remove.s
 ;
 ; Calling parameters:
-;	AX   - points to filename
+;       AX   - points to filename
 ; Return parameters:
-;	C    - 0/1 for OK/Error (filename too long)
-;	AX   - points to uppercased version of the filename on the stack
-;	tmp3 - amount of bytes used on the stack (needed for cleanup)
+;       C    - 0/1 for OK/Error (filename too long)
+;       AX   - points to uppercased version of the filename on the stack
+;       tmp3 - amount of bytes used on the stack (needed for cleanup)
 ; Uses:
 ;       ptr4 - scratch pointer used to remember original AX pointer
 ;
 ;
 
-	.include	"atari.inc"
+        .include        "atari.inc"
 
-.ifdef	DEFAULT_DEVICE
-	.importzp tmp2
-	.import	__defdev
+.ifdef  DEFAULT_DEVICE
+        .importzp tmp2
+        .import __defdev
 .endif
-	.importzp tmp3,ptr4,sp
-	.import	subysp,addysp
-	.export	ucase_fn
+        .importzp tmp3,ptr4,sp
+        .import subysp,addysp
+        .export ucase_fn
 
 .proc   ucase_fn
 
-	; we make sure that the filename doesn't contain lowercase letters
-	; we copy the filename we got onto the stack, uppercase it and use this
-	; one to open the iocb
-	; we're using tmp3, ptr4
+        ; we make sure that the filename doesn't contain lowercase letters
+        ; we copy the filename we got onto the stack, uppercase it and use this
+        ; one to open the iocb
+        ; we're using tmp3, ptr4
 
-	; save the original pointer
-	sta	ptr4
-	stx	ptr4+1
+        ; save the original pointer
+        sta     ptr4
+        stx     ptr4+1
 
-.ifdef	DEFAULT_DEVICE
-	ldy	#1
-	sty	tmp2		; initialize flag: device present in passed string
-	lda	#':'
-	cmp	(ptr4),y
-	beq	hasdev
-	iny
-	cmp	(ptr4),y
-	beq	hasdev
-	sta	tmp2		; set flag: no device in passed string
+.ifdef  DEFAULT_DEVICE
+        ldy     #1
+        sty     tmp2            ; initialize flag: device present in passed string
+        lda     #':'
+        cmp     (ptr4),y
+        beq     hasdev
+        iny
+        cmp     (ptr4),y
+        beq     hasdev
+        sta     tmp2            ; set flag: no device in passed string
 hasdev:
 .endif
 
-	ldy	#128
-	sty	tmp3		; save size
-	jsr	subysp		; make room on the stack
+        ldy     #128
+        sty     tmp3            ; save size
+        jsr     subysp          ; make room on the stack
 
-	; copy filename to the temp. place on the stack, also uppercasing it
-	ldy	#0
+        ; copy filename to the temp. place on the stack, also uppercasing it
+        ldy     #0
 
-loop2:	lda	(ptr4),y
-	sta	(sp),y
-	beq	copy_end
-	bmi	L1		; Not lowercase (also, invalid, should reject)
-	cmp	#'a'
-	bcc	L1		; Not lowercase
-	and	#$DF		; make upper case char, assume ASCII chars
-	sta	(sp),y		; store back
+loop2:  lda     (ptr4),y
+        sta     (sp),y
+        beq     copy_end
+        bmi     L1              ; Not lowercase (also, invalid, should reject)
+        cmp     #'a'
+        bcc     L1              ; Not lowercase
+        and     #$DF            ; make upper case char, assume ASCII chars
+        sta     (sp),y          ; store back
 L1:
-	iny
-	bpl	loop2		; bpl: this way we only support a max. length of 127
+        iny
+        bpl     loop2           ; bpl: this way we only support a max. length of 127
 
-	; Filename too long
-	jsr	addysp		; restore the stack
-	sec			; indicate error
-	rts
+        ; Filename too long
+        jsr     addysp          ; restore the stack
+        sec                     ; indicate error
+        rts
 
 copy_end:
 
-.ifdef	DEFAULT_DEVICE
-	lda	tmp2
-	cmp	#1		; was device present in passed string?
-	beq	hasdev2		; yes, don't prepend something
+.ifdef  DEFAULT_DEVICE
+        lda     tmp2
+        cmp     #1              ; was device present in passed string?
+        beq     hasdev2         ; yes, don't prepend something
 
-	ldy	#128+3		; no, prepend "D:" (or other device)
-	sty	tmp3		; adjust stack size used
-	ldy	#3
-	jsr	subysp		; adjust stack pointer
-	dey
-cpdev:	lda	__defdev,y
-	sta	(sp),y		; insert device name, number and ':'
-	dey
-	bpl	cpdev
+        ldy     #128+3          ; no, prepend "D:" (or other device)
+        sty     tmp3            ; adjust stack size used
+        ldy     #3
+        jsr     subysp          ; adjust stack pointer
+        dey
+cpdev:  lda     __defdev,y
+        sta     (sp),y          ; insert device name, number and ':'
+        dey
+        bpl     cpdev
 hasdev2:
 .endif
 
-	; leave A and X pointing to the modified filename
-	lda	sp
-	ldx	sp+1
-	clc			; indicate success
-	rts
+        ; leave A and X pointing to the modified filename
+        lda     sp
+        ldx     sp+1
+        clc                     ; indicate success
+        rts
 
 .endproc
diff --git a/libsrc/atari/wherex.s b/libsrc/atari/wherex.s
index c3e24c50e..1b72199a2 100644
--- a/libsrc/atari/wherex.s
+++ b/libsrc/atari/wherex.s
@@ -4,10 +4,10 @@
 ; unsigned char wherex (void);
 ;
 
-	.export	 _wherex
-	.include "atari.inc"
+        .export  _wherex
+        .include "atari.inc"
 
 _wherex:
-	lda	COLCRS
-	ldx	#0
-	rts
+        lda     COLCRS
+        ldx     #0
+        rts
diff --git a/libsrc/atari/wherey.s b/libsrc/atari/wherey.s
index de672b7af..f391eec17 100644
--- a/libsrc/atari/wherey.s
+++ b/libsrc/atari/wherey.s
@@ -4,10 +4,10 @@
 ; unsigned char wherey (void);
 ;
 
-	.export	 _wherey
-	.include "atari.inc"
+        .export  _wherey
+        .include "atari.inc"
 
 _wherey:
-	lda	ROWCRS
-	ldx	#0
-	rts
+        lda     ROWCRS
+        ldx     #0
+        rts
diff --git a/libsrc/atari/write.s b/libsrc/atari/write.s
index 645f0f934..1452b2eee 100644
--- a/libsrc/atari/write.s
+++ b/libsrc/atari/write.s
@@ -1,29 +1,29 @@
 ;
 ; int __fastcall__ write (int fd, const void* buf, unsigned count);
 ;
-	.include "atari.inc"
-	.import __rwsetup,__do_oserror,__inviocb,__oserror
-	.export	_write
+        .include "atari.inc"
+        .import __rwsetup,__do_oserror,__inviocb,__oserror
+        .export _write
 _write:
-	jsr	__rwsetup	; do common setup
-	beq	write9		; if size 0, it's a no-op
-	cpx	#$FF		; invalid iocb?
-	beq	_inviocb
-	lda	#PUTCHR
-	sta	ICCOM,x
-	jsr	CIOV
-	bpl	write9
-	jmp	__do_oserror	; update errno
+        jsr     __rwsetup       ; do common setup
+        beq     write9          ; if size 0, it's a no-op
+        cpx     #$FF            ; invalid iocb?
+        beq     _inviocb
+        lda     #PUTCHR
+        sta     ICCOM,x
+        jsr     CIOV
+        bpl     write9
+        jmp     __do_oserror    ; update errno
 
 write9:
-	lda	ICBLL,x		; get buf len low
-	pha
-	lda	ICBLH,x		; buf len high
-	tax
-	lda	#0
-	sta	__oserror	; clear system dependend error code
-	pla
-	rts
+        lda     ICBLL,x         ; get buf len low
+        pha
+        lda     ICBLH,x         ; buf len high
+        tax
+        lda     #0
+        sta     __oserror       ; clear system dependend error code
+        pla
+        rts
 
 _inviocb:
-	jmp	__inviocb
+        jmp     __inviocb
diff --git a/libsrc/atmos/_scrsize.s b/libsrc/atmos/_scrsize.s
index 24eec248f..2dd58399d 100644
--- a/libsrc/atmos/_scrsize.s
+++ b/libsrc/atmos/_scrsize.s
@@ -4,7 +4,7 @@
 ; Screen size variables
 ;
 
-	.export	   	screensize
+        .export         screensize
 
 .proc   screensize
 
diff --git a/libsrc/atmos/atmos_load.s b/libsrc/atmos/atmos_load.s
index 30d67ab93..9e86373f3 100644
--- a/libsrc/atmos/atmos_load.s
+++ b/libsrc/atmos/atmos_load.s
@@ -2,24 +2,24 @@
 ; based on code by Twilighte
 ; void __fastcall__ atmos_load(const char* name);
 
-	.export		_atmos_load
-	.import		store_filename
+        .export         _atmos_load
+        .import         store_filename
 
 
-.proc	_atmos_load
+.proc   _atmos_load
 
-	sei
-	jsr	store_filename
-	ldx	#$00
-	stx	$02ad
-	stx	$02ae
-	stx	$025a
-	stx	$025b
-	jsr	cload_bit
-	cli
-	rts
+        sei
+        jsr     store_filename
+        ldx     #$00
+        stx     $02ad
+        stx     $02ae
+        stx     $025a
+        stx     $025b
+        jsr     cload_bit
+        cli
+        rts
 cload_bit:
-	pha
-	jmp	$e874
+        pha
+        jmp     $e874
 
 .endproc
diff --git a/libsrc/atmos/atmos_save.s b/libsrc/atmos/atmos_save.s
index 7a4e68aae..0bd9e29cc 100644
--- a/libsrc/atmos/atmos_save.s
+++ b/libsrc/atmos/atmos_save.s
@@ -2,27 +2,27 @@
 ; based on code by Twilighte
 ; void __fastcall__ atmos_save(const char* name, const void* start, const void* end);
 
-	.export		_atmos_save
-	.import		popax, store_filename
+        .export         _atmos_save
+        .import         popax, store_filename
 
 
-.proc	_atmos_save
+.proc   _atmos_save
 
-	sei
-	sta	$02ab	; file end lo
-	stx	$02ac	; file end hi
-	jsr	popax
-	sta	$02a9	; file start lo
-	stx	$02aa	; file start hi
-	jsr	popax
-	jsr	store_filename
-	lda	#00
-	sta	$02ad
-	jsr	csave_bit
-	cli
-	rts
+        sei
+        sta     $02ab   ; file end lo
+        stx     $02ac   ; file end hi
+        jsr     popax
+        sta     $02a9   ; file start lo
+        stx     $02aa   ; file start hi
+        jsr     popax
+        jsr     store_filename
+        lda     #00
+        sta     $02ad
+        jsr     csave_bit
+        cli
+        rts
 csave_bit:
-	php
-	jmp	$e92c
+        php
+        jmp     $e92c
 
 .endproc
diff --git a/libsrc/atmos/cclear.s b/libsrc/atmos/cclear.s
index 107696788..9d356a8ab 100644
--- a/libsrc/atmos/cclear.s
+++ b/libsrc/atmos/cclear.s
@@ -5,25 +5,25 @@
 ; void cclear (unsigned char length);
 ;
 
-    	.export		_cclearxy, _cclear
+        .export         _cclearxy, _cclear
         .import         setscrptr  
         .import         rvs
-	.import		popax
+        .import         popax
         .importzp       ptr2
 
         .include        "atmos.inc"
 
 
 _cclearxy:
-       	pha	    	     	; Save the length
-	jsr	popax	     	; Get X and Y
+        pha                     ; Save the length
+        jsr     popax           ; Get X and Y
         sta     CURS_Y          ; Store Y
         stx     CURS_X          ; Store X
-       	pla		     	; Restore the length and run into _cclear
+        pla                     ; Restore the length and run into _cclear
 
 _cclear:
-       	tax                     ; Is the length zero?
-       	beq	@L9  	     	; Jump if done
+        tax                     ; Is the length zero?
+        beq     @L9             ; Jump if done
         jsr     setscrptr       ; Set ptr2 to screen, won't use X
         lda     #' '       
         ora     rvs
@@ -33,6 +33,6 @@ _cclear:
         inc     ptr2+1          ; Bump high byte of screen pointer
 @L2:    dex
         bne     @L1
-@L9:	rts
+@L9:    rts
 
 
diff --git a/libsrc/atmos/cgetc.s b/libsrc/atmos/cgetc.s
index e64734719..38e7aa873 100644
--- a/libsrc/atmos/cgetc.s
+++ b/libsrc/atmos/cgetc.s
@@ -4,11 +4,11 @@
 ; char cgetc (void);
 ;
 
-	.export		_cgetc
+        .export         _cgetc
         .constructor    initcgetc
-	.import		cursor
+        .import         cursor
 
-	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 
 
diff --git a/libsrc/atmos/chline.s b/libsrc/atmos/chline.s
index 85c7b58d2..61d0f394c 100644
--- a/libsrc/atmos/chline.s
+++ b/libsrc/atmos/chline.s
@@ -5,25 +5,25 @@
 ; void chline (unsigned char length);
 ;
 
-    	.export		_chlinexy, _chline
+        .export         _chlinexy, _chline
         .import         setscrptr
         .import         rvs
-	.import		popax
+        .import         popax
         .importzp       ptr2
 
         .include        "atmos.inc"
 
 
 _chlinexy:
-       	pha	    	     	; Save the length
-	jsr	popax	     	; Get X and Y
+        pha                     ; Save the length
+        jsr     popax           ; Get X and Y
         sta     CURS_Y          ; Store Y
         stx     CURS_X          ; Store X
-       	pla		     	; Restore the length and run into _chline
+        pla                     ; Restore the length and run into _chline
 
 _chline:
-       	tax                     ; Is the length zero?
-       	beq	@L9  	     	; Jump if done
+        tax                     ; Is the length zero?
+        beq     @L9             ; Jump if done
         jsr     setscrptr       ; Set ptr2 to screen, won't use X
         txa                     ; Length into A
         clc
@@ -37,5 +37,5 @@ _chline:
         inc     ptr2+1          ; Bump high byte of screen pointer
 @L2:    dex
         bne     @L1
-@L9:	rts
+@L9:    rts
 
diff --git a/libsrc/atmos/clock.s b/libsrc/atmos/clock.s
index 56573a56a..4440f557d 100644
--- a/libsrc/atmos/clock.s
+++ b/libsrc/atmos/clock.s
@@ -4,14 +4,14 @@
 ; clock_t clock (void);
 ;
 
-	.export		_clock
+        .export         _clock
         .import         negax
-	.importzp	sreg
+        .importzp       sreg
 
-	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 
-.proc	_clock
+.proc   _clock
 
 ; Clear the timer high 16 bits
 
diff --git a/libsrc/atmos/clrscr.s b/libsrc/atmos/clrscr.s
index 4f9a3486a..9dce665e9 100644
--- a/libsrc/atmos/clrscr.s
+++ b/libsrc/atmos/clrscr.s
@@ -2,15 +2,15 @@
 ; Ullrich von Bassewitz, 2003-04-13
 ;
 
-	.export	  	_clrscr
+        .export         _clrscr
         .importzp       ptr2
 
-	.include  	"atmos.inc"
+        .include        "atmos.inc"
 
 ; ------------------------------------------------------------------------
 ; void clrscr (void);
 
-.proc	_clrscr
+.proc   _clrscr
 
 ; Set the cursor to top left cursor position
 
diff --git a/libsrc/atmos/color.s b/libsrc/atmos/color.s
index 3a73ee5f2..8c9dfba9e 100644
--- a/libsrc/atmos/color.s
+++ b/libsrc/atmos/color.s
@@ -6,13 +6,13 @@
 ; unsigned char __fastcall__ bordercolor (unsigned char color);
 ;
 
- 	.export		_textcolor, _bgcolor, _bordercolor
+        .export         _textcolor, _bgcolor, _bordercolor
         .import         return0, return1
 
-_textcolor	= return1
+_textcolor      = return1
 
-_bgcolor	= return0
+_bgcolor        = return0
 
-_bordercolor	= return0
+_bordercolor    = return0
 
 
diff --git a/libsrc/atmos/cputc.s b/libsrc/atmos/cputc.s
index 6d4f17bdb..9f65be500 100644
--- a/libsrc/atmos/cputc.s
+++ b/libsrc/atmos/cputc.s
@@ -5,34 +5,34 @@
 ; void cputc (char c);
 ;
 
-    	.export	       	_cputcxy, _cputc
-	.export		setscrptr, putchar
+        .export         _cputcxy, _cputc
+        .export         setscrptr, putchar
         .import         rvs
-	.import		popax
+        .import         popax
         .importzp       ptr2
 
-	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 
 _cputcxy:
-	pha	    		; Save C
-	jsr	popax		; Get X and Y
+        pha                     ; Save C
+        jsr     popax           ; Get X and Y
         sta     CURS_Y          ; Store Y
         stx     CURS_X          ; Store X
-	pla			; Restore C
+        pla                     ; Restore C
 
 ; Plot a character - also used as internal function
 
-_cputc: cmp    	#$0D  		; CR?
-    	bne	L1
-    	lda	#0
-    	sta	CURS_X          ; Carriage return
+_cputc: cmp     #$0D            ; CR?
+        bne     L1
+        lda     #0
+        sta     CURS_X          ; Carriage return
         rts
 
-L1: 	cmp	#$0A  	  	; LF?
-       	bne     output
-        inc	CURS_Y          ; Newline
-    	rts
+L1:     cmp     #$0A            ; LF?
+        bne     output
+        inc     CURS_Y          ; Newline
+        rts
 
 ; Output the character, then advance the cursor position
 
@@ -40,13 +40,13 @@ output:
         jsr     putchar
 
 advance:
-   	iny
-   	cpy	#40
-   	bne	L3
-       	inc     CURS_Y          ; new line
-   	ldy	#0    	  	; + cr
-L3:	sty	CURS_X
-   	rts
+        iny
+        cpy     #40
+        bne     L3
+        inc     CURS_Y          ; new line
+        ldy     #0              ; + cr
+L3:     sty     CURS_X
+        rts
 
 ; ------------------------------------------------------------------------
 ; Set ptr2 to the screen, load the X offset into Y
@@ -59,7 +59,7 @@ L3:	sty	CURS_X
         sta     ptr2
         lda     ScrTabHi,y      ; Get high byte of line address
         sta     ptr2+1
-       	ldy    	CURS_X          ; Get X offset
+        ldy     CURS_X          ; Get X offset
         rts
 
 .endproc
@@ -71,12 +71,12 @@ L3:	sty	CURS_X
 .code
 .proc   putchar
 
-       	ora    	rvs             ; Set revers bit
+        ora     rvs             ; Set revers bit
         pha                     ; And save
         jsr     setscrptr       ; Set ptr2 to the screen
         pla                     ; Restore the character
-       	sta    	(ptr2),y	; Set char
-       	rts
+        sta     (ptr2),y        ; Set char
+        rts
 
 .endproc
 
diff --git a/libsrc/atmos/crt0.s b/libsrc/atmos/crt0.s
index d88e4c3ff..1588cbec0 100644
--- a/libsrc/atmos/crt0.s
+++ b/libsrc/atmos/crt0.s
@@ -4,110 +4,110 @@
 ; By Debrune Jérôme  and Ullrich von Bassewitz 
 ;
 
-	.export		_exit
-	.export		__STARTUP__ : absolute = 1	; Mark as startup
-	.import		initlib, donelib
-	.import		callmain, zerobss
-	.import		__RAM_START__, __RAM_SIZE__
-	.import		__ZPSAVE_LOAD__, __STACKSIZE__
+        .export         _exit
+        .export         __STARTUP__ : absolute = 1      ; Mark as startup
+        .import         initlib, donelib
+        .import         callmain, zerobss
+        .import         __RAM_START__, __RAM_SIZE__
+        .import         __ZPSAVE_LOAD__, __STACKSIZE__
 
-	.include	"zeropage.inc"
-	.include	"atmos.inc"
+        .include        "zeropage.inc"
+        .include        "atmos.inc"
 
 ; ------------------------------------------------------------------------
 ; Oric tape header
 
-.segment	"TAPEHDR"
+.segment        "TAPEHDR"
 
-	.byte	$16, $16, $16	; Sync bytes
-	.byte	$24		; End of header marker
+        .byte   $16, $16, $16   ; Sync bytes
+        .byte   $24             ; End of header marker
 
-	.byte	$00				; $2B0
-	.byte	$00				; $2AF
-	.byte	$80				; $2AE Machine code flag
-	.byte	$C7				; $2AD Autoload flag
-	.dbyt	__ZPSAVE_LOAD__ - 1		; $2AB
-	.dbyt	__RAM_START__			; $2A9
-	.byte	$00				; $2A8
-	.byte	((.VERSION >> 8) & $0F) + '0'
-	.byte	((.VERSION >> 4) & $0F) + '0'
-	.byte	(.VERSION & $0F) + '0'
-	.byte	$00				; Zero terminated compiler version
+        .byte   $00                             ; $2B0
+        .byte   $00                             ; $2AF
+        .byte   $80                             ; $2AE Machine code flag
+        .byte   $C7                             ; $2AD Autoload flag
+        .dbyt   __ZPSAVE_LOAD__ - 1             ; $2AB
+        .dbyt   __RAM_START__                   ; $2A9
+        .byte   $00                             ; $2A8
+        .byte   ((.VERSION >> 8) & $0F) + '0'
+        .byte   ((.VERSION >> 4) & $0F) + '0'
+        .byte   (.VERSION & $0F) + '0'
+        .byte   $00                             ; Zero terminated compiler version
 
 ; ------------------------------------------------------------------------
 ; Place the startup code in a special segment.
 
-.segment	"STARTUP"
+.segment        "STARTUP"
 
 ; Save the zero page area we're about to use
 
-	ldx	#zpspace-1
-L1:	lda	sp,x
-	sta	zpsave,x	; Save the zero page locations we need
-	dex
-	bpl	L1
+        ldx     #zpspace-1
+L1:     lda     sp,x
+        sta     zpsave,x        ; Save the zero page locations we need
+        dex
+        bpl     L1
 
 ; Clear the BSS data
 
-	jsr	zerobss
+        jsr     zerobss
 
 ; Unprotect columns 0 and 1
 
-	lda	STATUS
-	sta	stsave
-	and	#%11011111
-	sta	STATUS
+        lda     STATUS
+        sta     stsave
+        and     #%11011111
+        sta     STATUS
 
 ; Save system stuff and setup the stack
 
-	tsx
-	stx	spsave		; Save system stk ptr
+        tsx
+        stx     spsave          ; Save system stk ptr
 
-	lda	#<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-	sta	sp
-	lda	#>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-	sta	sp+1		; Set argument stack ptr
+        lda     #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp
+        lda     #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp+1            ; Set argument stack ptr
 
 ; Call module constructors
 
-	jsr	initlib
+        jsr     initlib
 
 ; Push arguments and call main()
 
-	jsr	callmain
+        jsr     callmain
 
 ; Call module destructors. This is also the _exit entry.
 
-_exit:	jsr	donelib		; Run module destructors
+_exit:  jsr     donelib         ; Run module destructors
 
 ; Restore system stuff
 
-	ldx	spsave
-	txs
-	lda	stsave
-	sta	STATUS
+        ldx     spsave
+        txs
+        lda     stsave
+        sta     STATUS
 
 ; Copy back the zero page stuff
 
-	ldx	#zpspace-1
-L2:	lda	zpsave,x
-	sta	sp,x
-	dex
-	bpl	L2
+        ldx     #zpspace-1
+L2:     lda     zpsave,x
+        sta     sp,x
+        dex
+        bpl     L2
 
 ; Back to BASIC
 
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 
-.segment	"ZPSAVE"
+.segment        "ZPSAVE"
 
-zpsave: .res	zpspace
+zpsave: .res    zpspace
 
 ; ------------------------------------------------------------------------
 
 .bss
 
-spsave: .res	1
-stsave: .res	1
+spsave: .res    1
+stsave: .res    1
diff --git a/libsrc/atmos/ctype.s b/libsrc/atmos/ctype.s
index 15b7ea935..79edafbb2 100644
--- a/libsrc/atmos/ctype.s
+++ b/libsrc/atmos/ctype.s
@@ -33,267 +33,267 @@
 ;   6 - Other whitespace (that is: '\f', '\n', '\r', '\t' and '\v')
 ;   7 - Space or tab character
 
-	.export	  	__ctype
+        .export         __ctype
 
 __ctype:
-       	.byte  	$10    	;   0/00 ___ctrl_@___
-       	.byte  	$10    	;   1/01 ___ctrl_A___
-       	.byte  	$10    	;   2/02 ___ctrl_B___
-       	.byte  	$10    	;   3/03 ___ctrl_C___
-       	.byte  	$10    	;   4/04 ___ctrl_D___
-       	.byte  	$10    	;   5/05 ___ctrl_E___
-       	.byte  	$10    	;   6/06 ___ctrl_F___
-       	.byte  	$10    	;   7/07 ___ctrl_G___
-       	.byte  	$10    	;   8/08 ___ctrl_H___
-       	.byte  	$D0    	;   9/09 ___ctrl_I___
-       	.byte  	$50    	;  10/0a ___ctrl_J___
-       	.byte  	$50    	;  11/0b ___ctrl_K___
-       	.byte  	$50    	;  12/0c ___ctrl_L___
-       	.byte  	$50    	;  13/0d ___ctrl_M___
-       	.byte  	$10    	;  14/0e ___ctrl_N___
-       	.byte  	$10    	;  15/0f ___ctrl_O___
-       	.byte  	$10    	;  16/10 ___ctrl_P___
-       	.byte  	$10    	;  17/11 ___ctrl_Q___
-       	.byte  	$10    	;  18/12 ___ctrl_R___
-       	.byte  	$10    	;  19/13 ___ctrl_S___
-       	.byte  	$10    	;  20/14 ___ctrl_T___
-       	.byte  	$10    	;  21/15 ___ctrl_U___
-       	.byte  	$10    	;  22/16 ___ctrl_V___
-       	.byte  	$10    	;  23/17 ___ctrl_W___
-       	.byte  	$10    	;  24/18 ___ctrl_X___
-       	.byte  	$10    	;  25/19 ___ctrl_Y___
-       	.byte  	$10    	;  26/1a ___ctrl_Z___
-       	.byte  	$10    	;  27/1b ___ctrl_[___
-       	.byte  	$10    	;  28/1c ___ctrl_\___
-       	.byte  	$10    	;  29/1d ___ctrl_]___
-       	.byte  	$10    	;  30/1e ___ctrl_^___
-       	.byte  	$10    	;  31/1f ___ctrl_____
-       	.byte  	$A0	;  32/20 ___SPACE___
-	.byte	$00	;  33/21 _____!_____
-	.byte	$00	;  34/22 _____"_____
-	.byte	$00	;  35/23 _____#_____
-	.byte	$00	;  36/24 _____$_____
-	.byte	$00	;  37/25 _____%_____
-	.byte	$00	;  38/26 _____&_____
-	.byte	$00	;  39/27 _____'_____
-	.byte	$00	;  40/28 _____(_____
-	.byte	$00	;  41/29 _____)_____
-	.byte	$00	;  42/2a _____*_____
-	.byte	$00	;  43/2b _____+_____
-	.byte	$00	;  44/2c _____,_____
-   	.byte	$00	;  45/2d _____-_____
-	.byte	$00	;  46/2e _____._____
-	.byte	$00	;  47/2f _____/_____
-	.byte	$0C	;  48/30 _____0_____
-	.byte	$0C	;  49/31 _____1_____
-	.byte	$0C	;  50/32 _____2_____
-	.byte	$0C	;  51/33 _____3_____
-	.byte	$0C	;  52/34 _____4_____
-	.byte	$0C	;  53/35 _____5_____
-	.byte	$0C	;  54/36 _____6_____
-	.byte	$0C	;  55/37 _____7_____
-	.byte	$0C	;  56/38 _____8_____
-	.byte	$0C	;  57/39 _____9_____
-	.byte	$00	;  58/3a _____:_____
-	.byte	$00	;  59/3b _____;_____
-	.byte	$00	;  60/3c _____<_____
-	.byte	$00	;  61/3d _____=_____
-	.byte	$00	;  62/3e _____>_____
-	.byte	$00	;  63/3f _____?_____
+        .byte   $10     ;   0/00 ___ctrl_@___
+        .byte   $10     ;   1/01 ___ctrl_A___
+        .byte   $10     ;   2/02 ___ctrl_B___
+        .byte   $10     ;   3/03 ___ctrl_C___
+        .byte   $10     ;   4/04 ___ctrl_D___
+        .byte   $10     ;   5/05 ___ctrl_E___
+        .byte   $10     ;   6/06 ___ctrl_F___
+        .byte   $10     ;   7/07 ___ctrl_G___
+        .byte   $10     ;   8/08 ___ctrl_H___
+        .byte   $D0     ;   9/09 ___ctrl_I___
+        .byte   $50     ;  10/0a ___ctrl_J___
+        .byte   $50     ;  11/0b ___ctrl_K___
+        .byte   $50     ;  12/0c ___ctrl_L___
+        .byte   $50     ;  13/0d ___ctrl_M___
+        .byte   $10     ;  14/0e ___ctrl_N___
+        .byte   $10     ;  15/0f ___ctrl_O___
+        .byte   $10     ;  16/10 ___ctrl_P___
+        .byte   $10     ;  17/11 ___ctrl_Q___
+        .byte   $10     ;  18/12 ___ctrl_R___
+        .byte   $10     ;  19/13 ___ctrl_S___
+        .byte   $10     ;  20/14 ___ctrl_T___
+        .byte   $10     ;  21/15 ___ctrl_U___
+        .byte   $10     ;  22/16 ___ctrl_V___
+        .byte   $10     ;  23/17 ___ctrl_W___
+        .byte   $10     ;  24/18 ___ctrl_X___
+        .byte   $10     ;  25/19 ___ctrl_Y___
+        .byte   $10     ;  26/1a ___ctrl_Z___
+        .byte   $10     ;  27/1b ___ctrl_[___
+        .byte   $10     ;  28/1c ___ctrl_\___
+        .byte   $10     ;  29/1d ___ctrl_]___
+        .byte   $10     ;  30/1e ___ctrl_^___
+        .byte   $10     ;  31/1f ___ctrl_____
+        .byte   $A0     ;  32/20 ___SPACE___
+        .byte   $00     ;  33/21 _____!_____
+        .byte   $00     ;  34/22 _____"_____
+        .byte   $00     ;  35/23 _____#_____
+        .byte   $00     ;  36/24 _____$_____
+        .byte   $00     ;  37/25 _____%_____
+        .byte   $00     ;  38/26 _____&_____
+        .byte   $00     ;  39/27 _____'_____
+        .byte   $00     ;  40/28 _____(_____
+        .byte   $00     ;  41/29 _____)_____
+        .byte   $00     ;  42/2a _____*_____
+        .byte   $00     ;  43/2b _____+_____
+        .byte   $00     ;  44/2c _____,_____
+        .byte   $00     ;  45/2d _____-_____
+        .byte   $00     ;  46/2e _____._____
+        .byte   $00     ;  47/2f _____/_____
+        .byte   $0C     ;  48/30 _____0_____
+        .byte   $0C     ;  49/31 _____1_____
+        .byte   $0C     ;  50/32 _____2_____
+        .byte   $0C     ;  51/33 _____3_____
+        .byte   $0C     ;  52/34 _____4_____
+        .byte   $0C     ;  53/35 _____5_____
+        .byte   $0C     ;  54/36 _____6_____
+        .byte   $0C     ;  55/37 _____7_____
+        .byte   $0C     ;  56/38 _____8_____
+        .byte   $0C     ;  57/39 _____9_____
+        .byte   $00     ;  58/3a _____:_____
+        .byte   $00     ;  59/3b _____;_____
+        .byte   $00     ;  60/3c _____<_____
+        .byte   $00     ;  61/3d _____=_____
+        .byte   $00     ;  62/3e _____>_____
+        .byte   $00     ;  63/3f _____?_____
 
-	.byte	$00	;  64/40 _____@_____
-       	.byte  	$0A	;  65/41 _____A_____
-       	.byte  	$0A	;  66/42 _____B_____
-       	.byte  	$0A	;  67/43 _____C_____
-       	.byte  	$0A	;  68/44 _____D_____
-       	.byte  	$0A	;  69/45 _____E_____
-       	.byte  	$0A	;  70/46 _____F_____
-       	.byte  	$02	;  71/47 _____G_____
-       	.byte  	$02	;  72/48 _____H_____
-       	.byte  	$02	;  73/49 _____I_____
-       	.byte  	$02	;  74/4a _____J_____
-       	.byte  	$02	;  75/4b _____K_____
-       	.byte  	$02	;  76/4c _____L_____
-       	.byte  	$02    	;  77/4d _____M_____
-       	.byte  	$02	;  78/4e _____N_____
-       	.byte  	$02	;  79/4f _____O_____
-       	.byte  	$02	;  80/50 _____P_____
-       	.byte  	$02	;  81/51 _____Q_____
-       	.byte  	$02	;  82/52 _____R_____
-       	.byte  	$02	;  83/53 _____S_____
-       	.byte  	$02	;  84/54 _____T_____
-       	.byte  	$02	;  85/55 _____U_____
-       	.byte  	$02	;  86/56 _____V_____
-       	.byte  	$02	;  87/57 _____W_____
-       	.byte  	$02	;  88/58 _____X_____
-       	.byte  	$02	;  89/59 _____Y_____
-       	.byte  	$02	;  90/5a _____Z_____
-	.byte	$00	;  91/5b _____[_____
-	.byte	$00	;  92/5c _____\_____
-	.byte	$00	;  93/5d _____]_____
-	.byte	$00	;  94/5e _____^_____
-	.byte	$00	;  95/5f _UNDERLINE_
-	.byte	$00	;  96/60 ___grave___
-       	.byte  	$09    	;  97/61 _____a_____
-       	.byte  	$09    	;  98/62 _____b_____
-       	.byte  	$09    	;  99/63 _____c_____
-       	.byte  	$09    	; 100/64 _____d_____
-       	.byte  	$09    	; 101/65 _____e_____
-       	.byte  	$09    	; 102/66 _____f_____
-       	.byte  	$01    	; 103/67 _____g_____
-       	.byte  	$01    	; 104/68 _____h_____
-       	.byte  	$01    	; 105/69 _____i_____
-       	.byte  	$01    	; 106/6a _____j_____
-       	.byte  	$01    	; 107/6b _____k_____
-       	.byte  	$01    	; 108/6c _____l_____
-       	.byte  	$01    	; 109/6d _____m_____
-       	.byte  	$01    	; 110/6e _____n_____
-       	.byte  	$01    	; 111/6f _____o_____
-       	.byte  	$01    	; 112/70 _____p_____
-       	.byte  	$01    	; 113/71 _____q_____
-       	.byte  	$01    	; 114/72 _____r_____
-       	.byte  	$01    	; 115/73 _____s_____
-       	.byte  	$01    	; 116/74 _____t_____
-       	.byte  	$01    	; 117/75 _____u_____
-       	.byte  	$01    	; 118/76 _____v_____
-       	.byte  	$01    	; 119/77 _____w_____
-       	.byte  	$01    	; 120/78 _____x_____
-       	.byte  	$01    	; 121/79 _____y_____
-       	.byte  	$01    	; 122/7a _____z_____
-       	.byte  	$00    	; 123/7b _____{_____
-       	.byte  	$00    	; 124/7c _____|_____
-       	.byte  	$00    	; 125/7d _____}_____
-       	.byte  	$00    	; 126/7e _____~_____
-       	.byte  	$40    	; 127/7f ____DEL____
+        .byte   $00     ;  64/40 _____@_____
+        .byte   $0A     ;  65/41 _____A_____
+        .byte   $0A     ;  66/42 _____B_____
+        .byte   $0A     ;  67/43 _____C_____
+        .byte   $0A     ;  68/44 _____D_____
+        .byte   $0A     ;  69/45 _____E_____
+        .byte   $0A     ;  70/46 _____F_____
+        .byte   $02     ;  71/47 _____G_____
+        .byte   $02     ;  72/48 _____H_____
+        .byte   $02     ;  73/49 _____I_____
+        .byte   $02     ;  74/4a _____J_____
+        .byte   $02     ;  75/4b _____K_____
+        .byte   $02     ;  76/4c _____L_____
+        .byte   $02     ;  77/4d _____M_____
+        .byte   $02     ;  78/4e _____N_____
+        .byte   $02     ;  79/4f _____O_____
+        .byte   $02     ;  80/50 _____P_____
+        .byte   $02     ;  81/51 _____Q_____
+        .byte   $02     ;  82/52 _____R_____
+        .byte   $02     ;  83/53 _____S_____
+        .byte   $02     ;  84/54 _____T_____
+        .byte   $02     ;  85/55 _____U_____
+        .byte   $02     ;  86/56 _____V_____
+        .byte   $02     ;  87/57 _____W_____
+        .byte   $02     ;  88/58 _____X_____
+        .byte   $02     ;  89/59 _____Y_____
+        .byte   $02     ;  90/5a _____Z_____
+        .byte   $00     ;  91/5b _____[_____
+        .byte   $00     ;  92/5c _____\_____
+        .byte   $00     ;  93/5d _____]_____
+        .byte   $00     ;  94/5e _____^_____
+        .byte   $00     ;  95/5f _UNDERLINE_
+        .byte   $00     ;  96/60 ___grave___
+        .byte   $09     ;  97/61 _____a_____
+        .byte   $09     ;  98/62 _____b_____
+        .byte   $09     ;  99/63 _____c_____
+        .byte   $09     ; 100/64 _____d_____
+        .byte   $09     ; 101/65 _____e_____
+        .byte   $09     ; 102/66 _____f_____
+        .byte   $01     ; 103/67 _____g_____
+        .byte   $01     ; 104/68 _____h_____
+        .byte   $01     ; 105/69 _____i_____
+        .byte   $01     ; 106/6a _____j_____
+        .byte   $01     ; 107/6b _____k_____
+        .byte   $01     ; 108/6c _____l_____
+        .byte   $01     ; 109/6d _____m_____
+        .byte   $01     ; 110/6e _____n_____
+        .byte   $01     ; 111/6f _____o_____
+        .byte   $01     ; 112/70 _____p_____
+        .byte   $01     ; 113/71 _____q_____
+        .byte   $01     ; 114/72 _____r_____
+        .byte   $01     ; 115/73 _____s_____
+        .byte   $01     ; 116/74 _____t_____
+        .byte   $01     ; 117/75 _____u_____
+        .byte   $01     ; 118/76 _____v_____
+        .byte   $01     ; 119/77 _____w_____
+        .byte   $01     ; 120/78 _____x_____
+        .byte   $01     ; 121/79 _____y_____
+        .byte   $01     ; 122/7a _____z_____
+        .byte   $00     ; 123/7b _____{_____
+        .byte   $00     ; 124/7c _____|_____
+        .byte   $00     ; 125/7d _____}_____
+        .byte   $00     ; 126/7e _____~_____
+        .byte   $40     ; 127/7f ____DEL____
 
-       	.byte  	$00    	; 128/80 ___________
-       	.byte  	$00    	; 129/81 ___________
-       	.byte  	$00    	; 130/82 ___________
-       	.byte  	$00    	; 131/83 ___________
-       	.byte  	$00    	; 132/84 ___________
-       	.byte  	$00    	; 133/85 ___________
-       	.byte  	$00    	; 134/86 ___________
-       	.byte  	$00    	; 135/87 ___________
-       	.byte  	$00    	; 136/88 ___________
-       	.byte  	$00    	; 137/89 ___________
-       	.byte  	$00    	; 138/8a ___________
-       	.byte  	$00    	; 139/8b ___________
-       	.byte  	$00    	; 140/8c ___________
-       	.byte  	$00    	; 141/8d ___________
-       	.byte  	$00    	; 142/8e ___________
-       	.byte  	$00    	; 143/8f ___________
-       	.byte  	$00    	; 144/90 ___________
-       	.byte  	$00    	; 145/91 ___________
-       	.byte  	$00    	; 146/92 ___________
-       	.byte  	$10    	; 147/93 ___________
-       	.byte  	$00    	; 148/94 ___________
-       	.byte  	$00    	; 149/95 ___________
-       	.byte  	$00    	; 150/96 ___________
-       	.byte  	$00    	; 151/97 ___________
-       	.byte  	$00    	; 152/98 ___________
-       	.byte  	$00    	; 153/99 ___________
-       	.byte  	$00    	; 154/9a ___________
-       	.byte  	$00    	; 155/9b ___________
-       	.byte  	$00    	; 156/9c ___________
-       	.byte  	$00    	; 157/9d ___________
-       	.byte  	$00    	; 158/9e ___________
-       	.byte  	$00    	; 159/9f ___________
+        .byte   $00     ; 128/80 ___________
+        .byte   $00     ; 129/81 ___________
+        .byte   $00     ; 130/82 ___________
+        .byte   $00     ; 131/83 ___________
+        .byte   $00     ; 132/84 ___________
+        .byte   $00     ; 133/85 ___________
+        .byte   $00     ; 134/86 ___________
+        .byte   $00     ; 135/87 ___________
+        .byte   $00     ; 136/88 ___________
+        .byte   $00     ; 137/89 ___________
+        .byte   $00     ; 138/8a ___________
+        .byte   $00     ; 139/8b ___________
+        .byte   $00     ; 140/8c ___________
+        .byte   $00     ; 141/8d ___________
+        .byte   $00     ; 142/8e ___________
+        .byte   $00     ; 143/8f ___________
+        .byte   $00     ; 144/90 ___________
+        .byte   $00     ; 145/91 ___________
+        .byte   $00     ; 146/92 ___________
+        .byte   $10     ; 147/93 ___________
+        .byte   $00     ; 148/94 ___________
+        .byte   $00     ; 149/95 ___________
+        .byte   $00     ; 150/96 ___________
+        .byte   $00     ; 151/97 ___________
+        .byte   $00     ; 152/98 ___________
+        .byte   $00     ; 153/99 ___________
+        .byte   $00     ; 154/9a ___________
+        .byte   $00     ; 155/9b ___________
+        .byte   $00     ; 156/9c ___________
+        .byte   $00     ; 157/9d ___________
+        .byte   $00     ; 158/9e ___________
+        .byte   $00     ; 159/9f ___________
 
-       	.byte  	$00    	; 160/a0 ___________
-       	.byte  	$00    	; 161/a1 ___________
-       	.byte  	$00    	; 162/a2 ___________
-       	.byte  	$00    	; 163/a3 ___________
-       	.byte  	$00    	; 164/a4 ___________
-       	.byte  	$00    	; 165/a5 ___________
-       	.byte  	$00    	; 166/a6 ___________
-       	.byte  	$00    	; 167/a7 ___________
-       	.byte  	$00    	; 168/a8 ___________
-       	.byte  	$00    	; 169/a9 ___________
-       	.byte  	$00    	; 170/aa ___________
-       	.byte  	$00    	; 171/ab ___________
-       	.byte  	$00    	; 172/ac ___________
-       	.byte  	$00    	; 173/ad ___________
-       	.byte  	$00    	; 174/ae ___________
-       	.byte  	$00    	; 175/af ___________
-       	.byte  	$00    	; 176/b0 ___________
-       	.byte  	$00    	; 177/b1 ___________
-       	.byte  	$00    	; 178/b2 ___________
-       	.byte  	$00    	; 179/b3 ___________
-       	.byte  	$00    	; 180/b4 ___________
-       	.byte  	$00    	; 181/b5 ___________
-       	.byte  	$00    	; 182/b6 ___________
-       	.byte  	$00    	; 183/b7 ___________
-       	.byte  	$00    	; 184/b8 ___________
-       	.byte  	$00    	; 185/b9 ___________
-       	.byte  	$00    	; 186/ba ___________
-       	.byte  	$00    	; 187/bb ___________
-       	.byte  	$00    	; 188/bc ___________
-       	.byte  	$00    	; 189/bd ___________
-       	.byte  	$00    	; 190/be ___________
-       	.byte  	$00    	; 191/bf ___________
+        .byte   $00     ; 160/a0 ___________
+        .byte   $00     ; 161/a1 ___________
+        .byte   $00     ; 162/a2 ___________
+        .byte   $00     ; 163/a3 ___________
+        .byte   $00     ; 164/a4 ___________
+        .byte   $00     ; 165/a5 ___________
+        .byte   $00     ; 166/a6 ___________
+        .byte   $00     ; 167/a7 ___________
+        .byte   $00     ; 168/a8 ___________
+        .byte   $00     ; 169/a9 ___________
+        .byte   $00     ; 170/aa ___________
+        .byte   $00     ; 171/ab ___________
+        .byte   $00     ; 172/ac ___________
+        .byte   $00     ; 173/ad ___________
+        .byte   $00     ; 174/ae ___________
+        .byte   $00     ; 175/af ___________
+        .byte   $00     ; 176/b0 ___________
+        .byte   $00     ; 177/b1 ___________
+        .byte   $00     ; 178/b2 ___________
+        .byte   $00     ; 179/b3 ___________
+        .byte   $00     ; 180/b4 ___________
+        .byte   $00     ; 181/b5 ___________
+        .byte   $00     ; 182/b6 ___________
+        .byte   $00     ; 183/b7 ___________
+        .byte   $00     ; 184/b8 ___________
+        .byte   $00     ; 185/b9 ___________
+        .byte   $00     ; 186/ba ___________
+        .byte   $00     ; 187/bb ___________
+        .byte   $00     ; 188/bc ___________
+        .byte   $00     ; 189/bd ___________
+        .byte   $00     ; 190/be ___________
+        .byte   $00     ; 191/bf ___________
 
-       	.byte  	$02    	; 192/c0 ___________
-       	.byte  	$02 	; 193/c1 ___________
-       	.byte  	$02    	; 194/c2 ___________
-       	.byte  	$02 	; 195/c3 ___________
-       	.byte  	$02    	; 196/c4 ___________
-       	.byte  	$02 	; 197/c5 ___________
-       	.byte  	$02    	; 198/c6 ___________
-       	.byte  	$02 	; 199/c7 ___________
-       	.byte  	$02    	; 200/c8 ___________
-       	.byte  	$02 	; 201/c9 ___________
-       	.byte  	$02    	; 202/ca ___________
-       	.byte  	$02    	; 203/cb ___________
-       	.byte  	$02    	; 204/cc ___________
-       	.byte  	$02    	; 205/cd ___________
-       	.byte  	$02    	; 206/ce ___________
-       	.byte  	$02    	; 207/cf ___________
-       	.byte  	$02    	; 208/d0 ___________
-       	.byte  	$02    	; 209/d1 ___________
-       	.byte  	$02    	; 210/d2 ___________
-       	.byte  	$02    	; 211/d3 ___________
-       	.byte  	$02    	; 212/d4 ___________
-       	.byte  	$02    	; 213/d5 ___________
-       	.byte  	$02    	; 214/d6 ___________
-       	.byte  	$02    	; 215/d7 ___________
-       	.byte  	$02    	; 216/d8 ___________
-       	.byte  	$02    	; 217/d9 ___________
-       	.byte  	$02    	; 218/da ___________
-       	.byte  	$02    	; 219/db ___________
-       	.byte  	$02    	; 220/dc ___________
-       	.byte  	$02    	; 221/dd ___________
-       	.byte  	$02    	; 222/de ___________
-       	.byte  	$00    	; 223/df ___________
-       	.byte  	$01    	; 224/e0 ___________
-       	.byte  	$01    	; 225/e1 ___________
-       	.byte  	$01    	; 226/e2 ___________
-       	.byte  	$01    	; 227/e3 ___________
-       	.byte  	$01    	; 228/e4 ___________
-       	.byte  	$01    	; 229/e5 ___________
-       	.byte  	$01    	; 230/e6 ___________
-       	.byte  	$01    	; 231/e7 ___________
-       	.byte  	$01    	; 232/e8 ___________
-       	.byte  	$01    	; 233/e9 ___________
-       	.byte  	$01    	; 234/ea ___________
-       	.byte  	$01    	; 235/eb ___________
-       	.byte  	$01    	; 236/ec ___________
-       	.byte  	$01    	; 237/ed ___________
-       	.byte  	$01    	; 238/ee ___________
-       	.byte  	$01    	; 239/ef ___________
-       	.byte  	$01    	; 240/f0 ___________
-       	.byte  	$01    	; 241/f1 ___________
-       	.byte  	$01    	; 242/f2 ___________
-       	.byte  	$01    	; 243/f3 ___________
-       	.byte  	$01    	; 244/f4 ___________
-       	.byte  	$01    	; 245/f5 ___________
-       	.byte  	$01    	; 246/f6 ___________
-       	.byte  	$01    	; 247/f7 ___________
-       	.byte  	$01    	; 248/f8 ___________
-       	.byte  	$01    	; 249/f9 ___________
-       	.byte  	$01    	; 250/fa ___________
-       	.byte  	$01    	; 251/fb ___________
-       	.byte  	$01    	; 252/fc ___________
-       	.byte  	$01    	; 253/fd ___________
-       	.byte  	$01    	; 254/fe ___________
-       	.byte  	$00    	; 255/ff ___________
+        .byte   $02     ; 192/c0 ___________
+        .byte   $02     ; 193/c1 ___________
+        .byte   $02     ; 194/c2 ___________
+        .byte   $02     ; 195/c3 ___________
+        .byte   $02     ; 196/c4 ___________
+        .byte   $02     ; 197/c5 ___________
+        .byte   $02     ; 198/c6 ___________
+        .byte   $02     ; 199/c7 ___________
+        .byte   $02     ; 200/c8 ___________
+        .byte   $02     ; 201/c9 ___________
+        .byte   $02     ; 202/ca ___________
+        .byte   $02     ; 203/cb ___________
+        .byte   $02     ; 204/cc ___________
+        .byte   $02     ; 205/cd ___________
+        .byte   $02     ; 206/ce ___________
+        .byte   $02     ; 207/cf ___________
+        .byte   $02     ; 208/d0 ___________
+        .byte   $02     ; 209/d1 ___________
+        .byte   $02     ; 210/d2 ___________
+        .byte   $02     ; 211/d3 ___________
+        .byte   $02     ; 212/d4 ___________
+        .byte   $02     ; 213/d5 ___________
+        .byte   $02     ; 214/d6 ___________
+        .byte   $02     ; 215/d7 ___________
+        .byte   $02     ; 216/d8 ___________
+        .byte   $02     ; 217/d9 ___________
+        .byte   $02     ; 218/da ___________
+        .byte   $02     ; 219/db ___________
+        .byte   $02     ; 220/dc ___________
+        .byte   $02     ; 221/dd ___________
+        .byte   $02     ; 222/de ___________
+        .byte   $00     ; 223/df ___________
+        .byte   $01     ; 224/e0 ___________
+        .byte   $01     ; 225/e1 ___________
+        .byte   $01     ; 226/e2 ___________
+        .byte   $01     ; 227/e3 ___________
+        .byte   $01     ; 228/e4 ___________
+        .byte   $01     ; 229/e5 ___________
+        .byte   $01     ; 230/e6 ___________
+        .byte   $01     ; 231/e7 ___________
+        .byte   $01     ; 232/e8 ___________
+        .byte   $01     ; 233/e9 ___________
+        .byte   $01     ; 234/ea ___________
+        .byte   $01     ; 235/eb ___________
+        .byte   $01     ; 236/ec ___________
+        .byte   $01     ; 237/ed ___________
+        .byte   $01     ; 238/ee ___________
+        .byte   $01     ; 239/ef ___________
+        .byte   $01     ; 240/f0 ___________
+        .byte   $01     ; 241/f1 ___________
+        .byte   $01     ; 242/f2 ___________
+        .byte   $01     ; 243/f3 ___________
+        .byte   $01     ; 244/f4 ___________
+        .byte   $01     ; 245/f5 ___________
+        .byte   $01     ; 246/f6 ___________
+        .byte   $01     ; 247/f7 ___________
+        .byte   $01     ; 248/f8 ___________
+        .byte   $01     ; 249/f9 ___________
+        .byte   $01     ; 250/fa ___________
+        .byte   $01     ; 251/fb ___________
+        .byte   $01     ; 252/fc ___________
+        .byte   $01     ; 253/fd ___________
+        .byte   $01     ; 254/fe ___________
+        .byte   $00     ; 255/ff ___________
 
diff --git a/libsrc/atmos/cvline.s b/libsrc/atmos/cvline.s
index 09eea4caa..ca41502c2 100644
--- a/libsrc/atmos/cvline.s
+++ b/libsrc/atmos/cvline.s
@@ -5,25 +5,25 @@
 ; void cvline (unsigned char length);
 ;
 
-    	.export	   	_cvlinexy, _cvline
+        .export         _cvlinexy, _cvline
         .import         setscrptr
         .import         rvs
-	.import	   	popax
+        .import         popax
         .importzp       ptr2
 
         .include        "atmos.inc"
 
 
 _cvlinexy:
-       	pha	    	     	; Save the length
-	jsr	popax	     	; Get X and Y
+        pha                     ; Save the length
+        jsr     popax           ; Get X and Y
         sta     CURS_Y          ; Store Y
         stx     CURS_X          ; Store X
-       	pla	   	     	; Restore the length and run into _cvline
+        pla                     ; Restore the length and run into _cvline
 
 _cvline:
-       	tax                     ; Is the length zero?
-       	beq	@L9  	     	; Jump if done
+        tax                     ; Is the length zero?
+        beq     @L9             ; Jump if done
 @L1:    jsr     setscrptr       ; Set ptr2 to screen, won't use X
         lda     #'|'
         ora     rvs
@@ -31,6 +31,6 @@ _cvline:
         inc     CURS_Y
 @L2:    dex
         bne     @L1
-@L9:	rts
+@L9:    rts
 
 
diff --git a/libsrc/atmos/gotox.s b/libsrc/atmos/gotox.s
index 25ed7fbf2..6f8682722 100644
--- a/libsrc/atmos/gotox.s
+++ b/libsrc/atmos/gotox.s
@@ -4,13 +4,13 @@
 ; void gotox (unsigned char x);
 ;
 
-	.export		_gotox
+        .export         _gotox
 
         .include        "atmos.inc"
 
 .proc   _gotox
 
-	sta	CURS_X		; Set X
+        sta     CURS_X          ; Set X
         rts
 
 .endproc
diff --git a/libsrc/atmos/gotoxy.s b/libsrc/atmos/gotoxy.s
index 26a16bb21..80d4d5251 100644
--- a/libsrc/atmos/gotoxy.s
+++ b/libsrc/atmos/gotoxy.s
@@ -4,16 +4,16 @@
 ; void gotoxy (unsigned char x, unsigned char y);
 ;
 
-	.export		_gotoxy
-	.import		popa
+        .export         _gotoxy
+        .import         popa
 
         .include        "atmos.inc"
 
 .proc   _gotoxy
 
-	sta	CURS_Y		; Set Y
-	jsr 	popa		; Get X
-	sta	CURS_X		; Set X
+        sta     CURS_Y          ; Set Y
+        jsr     popa            ; Get X
+        sta     CURS_X          ; Set X
         rts
 
 .endproc
diff --git a/libsrc/atmos/gotoy.s b/libsrc/atmos/gotoy.s
index baa95a773..4db577755 100644
--- a/libsrc/atmos/gotoy.s
+++ b/libsrc/atmos/gotoy.s
@@ -4,13 +4,13 @@
 ; void gotoy (unsigned char y);
 ;
 
-	.export		_gotoy
+        .export         _gotoy
 
         .include        "atmos.inc"
 
 .proc   _gotoy
 
-	sta    	CURS_Y		; Set Y
+        sta     CURS_Y          ; Set Y
         rts
 
 .endproc
diff --git a/libsrc/atmos/irq.s b/libsrc/atmos/irq.s
index c022eccd4..ed443caae 100644
--- a/libsrc/atmos/irq.s
+++ b/libsrc/atmos/irq.s
@@ -2,58 +2,58 @@
 ; IRQ handling (Oric version)
 ;
 
-	.export		initirq, doneirq
-	.import		callirq
+        .export         initirq, doneirq
+        .import         callirq
 
-	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 ; ------------------------------------------------------------------------
 
-.segment	"INIT"
+.segment        "INIT"
 
 initirq:
-	lda	IRQVec
-	ldx	IRQVec+1
-	sta	IRQInd+1
-	stx	IRQInd+2
-	lda	#IRQStub
-	jmp	setvec
+        lda     IRQVec
+        ldx     IRQVec+1
+        sta     IRQInd+1
+        stx     IRQInd+2
+        lda     #IRQStub
+        jmp     setvec
 
 ; ------------------------------------------------------------------------
 
 .code
 
 doneirq:
-	lda	IRQInd+1
-	ldx	IRQInd+2
-setvec:	sei
-	sta	IRQVec
-	stx	IRQVec+1
-	cli
-	rts
+        lda     IRQInd+1
+        ldx     IRQInd+2
+setvec: sei
+        sta     IRQVec
+        stx     IRQVec+1
+        cli
+        rts
 
 ; ------------------------------------------------------------------------
 
-.segment	"LOWCODE"
+.segment        "LOWCODE"
 
 IRQStub:
-	cld				; Just to be sure
-	pha
-	txa
-	pha
-	tya
-	pha
-	jsr	callirq			; Call the functions
-	pla
-	tay
-	pla
-	tax
-	pla
-	jmp	IRQInd			; Jump to the saved IRQ vector
+        cld                             ; Just to be sure
+        pha
+        txa
+        pha
+        tya
+        pha
+        jsr     callirq                 ; Call the functions
+        pla
+        tay
+        pla
+        tax
+        pla
+        jmp     IRQInd                  ; Jump to the saved IRQ vector
 
 ; ------------------------------------------------------------------------
 
 .data
 
-IRQInd:	jmp	$0000
+IRQInd: jmp     $0000
diff --git a/libsrc/atmos/joy/atmos-pase.s b/libsrc/atmos/joy/atmos-pase.s
index 18ac7b887..81dba394a 100644
--- a/libsrc/atmos/joy/atmos-pase.s
+++ b/libsrc/atmos/joy/atmos-pase.s
@@ -6,55 +6,55 @@
 ; Based on Ullrich von Bassewitz, 2002-12-20
 ;
 
-	.include	"joy-kernel.inc"
-	.include	"joy-error.inc"
-;	.include	"atmos.inc"
+        .include        "joy-kernel.inc"
+        .include        "joy-error.inc"
+;       .include        "atmos.inc"
 
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; Driver signature
 
-	.byte	$6A, $6F, $79		; "joy"
-	.byte	JOY_API_VERSION		; Driver API version number
+        .byte   $6A, $6F, $79           ; "joy"
+        .byte   JOY_API_VERSION         ; Driver API version number
 
 ; Button state masks (8 values)
 
-	.byte	$10			; JOY_UP
-	.byte	$08			; JOY_DOWN
-	.byte	$01			; JOY_LEFT
-	.byte	$02			; JOY_RIGHT
-	.byte	$20			; JOY_FIRE
-	.byte	$00			; Future expansion
-	.byte	$00			; Future expansion
-	.byte	$00			; Future expansion
+        .byte   $10                     ; JOY_UP
+        .byte   $08                     ; JOY_DOWN
+        .byte   $01                     ; JOY_LEFT
+        .byte   $02                     ; JOY_RIGHT
+        .byte   $20                     ; JOY_FIRE
+        .byte   $00                     ; Future expansion
+        .byte   $00                     ; Future expansion
+        .byte   $00                     ; Future expansion
 
 ; Jump table.
 
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	COUNT
-	.addr	READ
-	.addr	0			; IRQ entry unused
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   COUNT
+        .addr   READ
+        .addr   0                       ; IRQ entry unused
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-JOY_COUNT	= 2		; Number of joysticks we support
+JOY_COUNT       = 2             ; Number of joysticks we support
 
-PRA		= $0301
-DDRA		= $0303
-PRA2		= $030F
+PRA             = $0301
+DDRA            = $0303
+PRA2            = $030F
 
 ; ------------------------------------------------------------------------
 ; Data.
 
 .bss
-temp1:	.byte	$00
-temp2:	.byte	$00
+temp1:  .byte   $00
+temp2:  .byte   $00
 
 .code
 
@@ -66,9 +66,9 @@ temp2:	.byte	$00
 ;
 
 INSTALL:
-	lda	#JOY_ERR_OK
-	ldx	#0
-;	rts			; Run into UNINSTALL instead
+        lda     #JOY_ERR_OK
+        ldx     #0
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -76,7 +76,7 @@ INSTALL:
 ;
 
 UNINSTALL:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -84,42 +84,42 @@ UNINSTALL:
 ;
 
 COUNT:
-	lda	#JOY_COUNT
-	ldx	#0
-	rts
+        lda     #JOY_COUNT
+        ldx     #0
+        rts
 
 ; ------------------------------------------------------------------------
 ; READ: Read a particular joystick passed in A.
 ;
 
 READ:
-	tay
-
-	lda	PRA
-	pha
-	lda	DDRA
-	pha
-	lda	#%11000000
-	sta	DDRA
-	lda	#%10000000
-	sta	PRA2
-	lda	PRA2
-	sta	temp1
-	lda	#%01000000
-	sta	PRA2
-	lda	PRA
-	sta	temp2
-	pla
-	sta	DDRA
-	pla
-	sta	PRA2
-
-	ldx	#0
-	tya
-	bne	@L1
-	lda	temp1
-	eor	#$FF
-	rts
-@L1:	lda	temp2
-	eor	#$FF
-	rts
+        tay
+
+        lda     PRA
+        pha
+        lda     DDRA
+        pha
+        lda     #%11000000
+        sta     DDRA
+        lda     #%10000000
+        sta     PRA2
+        lda     PRA2
+        sta     temp1
+        lda     #%01000000
+        sta     PRA2
+        lda     PRA
+        sta     temp2
+        pla
+        sta     DDRA
+        pla
+        sta     PRA2
+
+        ldx     #0
+        tya
+        bne     @L1
+        lda     temp1
+        eor     #$FF
+        rts
+@L1:    lda     temp2
+        eor     #$FF
+        rts
diff --git a/libsrc/atmos/joy_stat_stddrv.s b/libsrc/atmos/joy_stat_stddrv.s
index c94405c3c..2ac2259d5 100644
--- a/libsrc/atmos/joy_stat_stddrv.s
+++ b/libsrc/atmos/joy_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void joy_static_stddrv[];
 ;
 
-        .export	_joy_static_stddrv
-        .import	_atmos_pase_joy
+        .export _joy_static_stddrv
+        .import _atmos_pase_joy
 
 .rodata
 
diff --git a/libsrc/atmos/joy_stddrv.s b/libsrc/atmos/joy_stddrv.s
index 77c9e0ea9..6ed83f445 100644
--- a/libsrc/atmos/joy_stddrv.s
+++ b/libsrc/atmos/joy_stddrv.s
@@ -6,8 +6,8 @@
 ; const char joy_stddrv[];
 ;
 
-	.export	_joy_stddrv
+        .export _joy_stddrv
 
 .rodata
 
-_joy_stddrv:	.asciiz	"atmos-pase.joy"
+_joy_stddrv:    .asciiz "atmos-pase.joy"
diff --git a/libsrc/atmos/kbhit.s b/libsrc/atmos/kbhit.s
index df36226f6..1b18b6cb7 100644
--- a/libsrc/atmos/kbhit.s
+++ b/libsrc/atmos/kbhit.s
@@ -4,9 +4,9 @@
 ; int kbhit (void);
 ;
 
-	.export		_kbhit
+        .export         _kbhit
 
-	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 _kbhit:
         ldx     #$00            ; Load high byte
diff --git a/libsrc/atmos/mainargs.s b/libsrc/atmos/mainargs.s
index 54fdb61e9..3e1f6467b 100644
--- a/libsrc/atmos/mainargs.s
+++ b/libsrc/atmos/mainargs.s
@@ -5,117 +5,117 @@
 ; Setup arguments for main
 ;
 
-	.constructor	initmainargs, 24
-	.import		__argc, __argv
-	.macpack	generic
+        .constructor    initmainargs, 24
+        .import         __argc, __argv
+        .macpack        generic
 
-MAXARGS	 = 10			; Maximum number of arguments allowed
-REM	 = $9d			; BASIC token-code
-NAME_LEN = 16			; maximum length of command-name
+MAXARGS  = 10                   ; Maximum number of arguments allowed
+REM      = $9d                  ; BASIC token-code
+NAME_LEN = 16                   ; maximum length of command-name
 BASIC_BUF = $35
-FNAM	 = $293
+FNAM     = $293
 
 
 ;---------------------------------------------------------------------------
 ; Get possible command-line arguments. Goes into the special INIT segment,
 ; which may be reused after the startup code is run
 
-.segment	"INIT"
+.segment        "INIT"
 
-.proc	initmainargs
+.proc   initmainargs
 
 ; Assume that the program was loaded, a moment ago, by the traditional LOAD
 ; statement.  Save the "most-recent filename" as argument #0.
 ; Because the buffer, that we're copying into, was zeroed out,
 ; we don't need to add a NUL character.
 ;
-	ldy	#NAME_LEN - 1	; limit the length
-L0:	lda	FNAM,y
-	sta	name,y
-	dey
-	bpl	L0
-	inc	__argc		; argc always is equal to, at least, 1
+        ldy     #NAME_LEN - 1   ; limit the length
+L0:     lda     FNAM,y
+        sta     name,y
+        dey
+        bpl     L0
+        inc     __argc          ; argc always is equal to, at least, 1
 
 ; Find the "rem" token.
 ;
-	ldx	#0
-L2:	lda	BASIC_BUF,x
-	beq	done		; no "rem," no args.
-	inx
-	cmp	#REM
-	bne	L2
-	ldy	#1 * 2
+        ldx     #0
+L2:     lda     BASIC_BUF,x
+        beq     done            ; no "rem," no args.
+        inx
+        cmp     #REM
+        bne     L2
+        ldy     #1 * 2
 
 ; Find the next argument
 
-next:	lda	BASIC_BUF,x
-	beq	done		; End of line reached
-	inx
-	cmp	#' '		; Skip leading spaces
-	beq	next		;
+next:   lda     BASIC_BUF,x
+        beq     done            ; End of line reached
+        inx
+        cmp     #' '            ; Skip leading spaces
+        beq     next            ;
 
 ; Found start of next argument. We've incremented the pointer in X already, so
 ; it points to the second character of the argument. This is useful since we
 ; will check now for a quoted argument, in which case we will have to skip this
 ; first character.
 
-found:	cmp	#'"'		; Is the argument quoted?
-	beq	setterm		; Jump if so
-	dex			; Reset pointer to first argument character
-	lda	#' '		; A space ends the argument
-setterm:sta	term		; Set end of argument marker
+found:  cmp     #'"'            ; Is the argument quoted?
+        beq     setterm         ; Jump if so
+        dex                     ; Reset pointer to first argument character
+        lda     #' '            ; A space ends the argument
+setterm:sta     term            ; Set end of argument marker
 
 ; Now store a pointer to the argument into the next slot. Since the BASIC
 ; input buffer is located at the zero page, no calculations are necessary.
 
-	txa			; Get low byte
-	add	#argv
-	sta	__argv
-	stx	__argv + 1
+done:   lda     #argv
+        sta     __argv
+        stx     __argv + 1
 
-	rts
+        rts
 
 .endproc
 
 ; These arrays are zeroed before initmainargs is called.
-; char	name[16+1];
+; char  name[16+1];
 ; char* argv[MAXARGS+1]={name};
 ;
 .bss
-term:	.res	1
-name:	.res	NAME_LEN + 1
+term:   .res    1
+name:   .res    NAME_LEN + 1
 
 .data
-argv:	.addr	name
-	.res	MAXARGS * 2
+argv:   .addr   name
+        .res    MAXARGS * 2
diff --git a/libsrc/atmos/oserrlist.s b/libsrc/atmos/oserrlist.s
index ebdb531f8..8ec41de6d 100644
--- a/libsrc/atmos/oserrlist.s
+++ b/libsrc/atmos/oserrlist.s
@@ -41,35 +41,35 @@ End:
 .rodata
 
 __sys_oserrlist:
-       	sys_oserr_entry          1, "File not found"
-       	sys_oserr_entry          2, "Invalid command end"
-       	sys_oserr_entry          3, "No drive number"
-       	sys_oserr_entry          4, "Bad drive number"
-       	sys_oserr_entry          5, "Invalid filename"
-       	sys_oserr_entry          6, "fderr=(error  number)"
-       	sys_oserr_entry          7, "Illegal attribute"
-       	sys_oserr_entry          8, "Wildcard(s) not allowed"
-       	sys_oserr_entry          9, "File already exists"
-       	sys_oserr_entry         10, "Insufficient disc space"
-       	sys_oserr_entry         11, "File open"
-       	sys_oserr_entry         12, "Illegal quantity"
-       	sys_oserr_entry         13, "End address missing"
-       	sys_oserr_entry         14, "Start address > end address"
-       	sys_oserr_entry         15, "Missing 'to'"
-       	sys_oserr_entry         16, "Renamed file not on same disc"
-       	sys_oserr_entry         17, "Unknown array"
-       	sys_oserr_entry         18, "Target drive not source drive"
-       	sys_oserr_entry         19, "Destination not specified"
-       	sys_oserr_entry         20, "Cannot merge and overwrite"
-       	sys_oserr_entry         21, "Single target file illegal"
-       	sys_oserr_entry         22, "Syntax"
-       	sys_oserr_entry         23, "Filename missing"
-       	sys_oserr_entry         24, "Source file missing"
-       	sys_oserr_entry         25, "Type mismatch"
-       	sys_oserr_entry         26, "Disc write-protected"
-       	sys_oserr_entry         27, "Incompatible drives"
-       	sys_oserr_entry         28, "File not open"
-       	sys_oserr_entry         29, "File end"
-       	sys_oserr_sentinel      "Unknown error"
+        sys_oserr_entry          1, "File not found"
+        sys_oserr_entry          2, "Invalid command end"
+        sys_oserr_entry          3, "No drive number"
+        sys_oserr_entry          4, "Bad drive number"
+        sys_oserr_entry          5, "Invalid filename"
+        sys_oserr_entry          6, "fderr=(error  number)"
+        sys_oserr_entry          7, "Illegal attribute"
+        sys_oserr_entry          8, "Wildcard(s) not allowed"
+        sys_oserr_entry          9, "File already exists"
+        sys_oserr_entry         10, "Insufficient disc space"
+        sys_oserr_entry         11, "File open"
+        sys_oserr_entry         12, "Illegal quantity"
+        sys_oserr_entry         13, "End address missing"
+        sys_oserr_entry         14, "Start address > end address"
+        sys_oserr_entry         15, "Missing 'to'"
+        sys_oserr_entry         16, "Renamed file not on same disc"
+        sys_oserr_entry         17, "Unknown array"
+        sys_oserr_entry         18, "Target drive not source drive"
+        sys_oserr_entry         19, "Destination not specified"
+        sys_oserr_entry         20, "Cannot merge and overwrite"
+        sys_oserr_entry         21, "Single target file illegal"
+        sys_oserr_entry         22, "Syntax"
+        sys_oserr_entry         23, "Filename missing"
+        sys_oserr_entry         24, "Source file missing"
+        sys_oserr_entry         25, "Type mismatch"
+        sys_oserr_entry         26, "Disc write-protected"
+        sys_oserr_entry         27, "Incompatible drives"
+        sys_oserr_entry         28, "File not open"
+        sys_oserr_entry         29, "File end"
+        sys_oserr_sentinel      "Unknown error"
 
 
diff --git a/libsrc/atmos/oserror.s b/libsrc/atmos/oserror.s
index aa54ea585..37c9bd7fc 100644
--- a/libsrc/atmos/oserror.s
+++ b/libsrc/atmos/oserror.s
@@ -5,13 +5,13 @@
 ; /* Map a system specific error into a system independent code */
 ;
 
-	.include	"errno.inc"
-	.export		__osmaperrno
+        .include        "errno.inc"
+        .export         __osmaperrno
 
-.proc	__osmaperrno
+.proc   __osmaperrno
 
-	lda	#EUNKNOWN
-	rts
+        lda     #EUNKNOWN
+        rts
 
 .endproc
diff --git a/libsrc/atmos/revers.s b/libsrc/atmos/revers.s
index 07334af15..ad3e1f909 100644
--- a/libsrc/atmos/revers.s
+++ b/libsrc/atmos/revers.s
@@ -4,7 +4,7 @@
 ; unsigned char revers (unsigned char onoff);
 ;
 
-      	.export		_revers
+        .export         _revers
         .export         rvs
 
 ; ------------------------------------------------------------------------
@@ -13,18 +13,18 @@
 .code
 .proc   _revers
 
-	ldx    	#$00	   	; Assume revers off
-	tay		   	; Test onoff
-	beq	L1	   	; Jump if off
-	ldx	#$80	   	; Load on value
-        ldy	#$00	   	; Assume old value is zero
-L1:     lda    	rvs             ; Load old value
-	stx	rvs             ; Set new value
-	beq	L2		; Jump if old value zero
-	iny			; Make old value = 1
-L2:	ldx	#$00		; Load high byte of result
-	tya			; Load low byte, set CC
-	rts
+        ldx     #$00            ; Assume revers off
+        tay                     ; Test onoff
+        beq     L1              ; Jump if off
+        ldx     #$80            ; Load on value
+        ldy     #$00            ; Assume old value is zero
+L1:     lda     rvs             ; Load old value
+        stx     rvs             ; Set new value
+        beq     L2              ; Jump if old value zero
+        iny                     ; Make old value = 1
+L2:     ldx     #$00            ; Load high byte of result
+        tya                     ; Load low byte, set CC
+        rts
 
 .endproc
 
diff --git a/libsrc/atmos/ser/atmos-acia.s b/libsrc/atmos/ser/atmos-acia.s
index c2b48c9fc..36071c32a 100644
--- a/libsrc/atmos/ser/atmos-acia.s
+++ b/libsrc/atmos/ser/atmos-acia.s
@@ -22,99 +22,99 @@
 ; interrupt handling assumes that the 65816 is in 6502-emulation mode.
 ;
 
-	.include	"zeropage.inc"
-	.include	"ser-kernel.inc"
-	.include	"ser-error.inc"
+        .include        "zeropage.inc"
+        .include        "ser-kernel.inc"
+        .include        "ser-error.inc"
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-	.segment	"JUMPTABLE"
+        .segment        "JUMPTABLE"
 
-	; Driver signature
-	.byte	$73, $65, $72		; "ser"
-	.byte	SER_API_VERSION		; Serial API version number
+        ; Driver signature
+        .byte   $73, $65, $72           ; "ser"
+        .byte   SER_API_VERSION         ; Serial API version number
 
-	; Jump table.
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	OPEN
-	.addr	CLOSE
-	.addr	GET
-	.addr	PUT
-	.addr	STATUS
-	.addr	IOCTL
-	.addr	IRQ
+        ; Jump table.
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   OPEN
+        .addr   CLOSE
+        .addr   GET
+        .addr   PUT
+        .addr   STATUS
+        .addr   IOCTL
+        .addr   IRQ
 
 ;----------------------------------------------------------------------------
 ; I/O definitions
 
-ACIA		= $031C
-ACIA_DATA	= ACIA+0	; Data register
-ACIA_STATUS	= ACIA+1	; Status register
-ACIA_CMD	= ACIA+2	; Command register
-ACIA_CTRL	= ACIA+3	; Control register
+ACIA            = $031C
+ACIA_DATA       = ACIA+0        ; Data register
+ACIA_STATUS     = ACIA+1        ; Status register
+ACIA_CMD        = ACIA+2        ; Command register
+ACIA_CTRL       = ACIA+3        ; Control register
 
 ;----------------------------------------------------------------------------
 ; Global variables
 
-	.bss
-
-RecvHead:	.res	1	; Head of receive buffer
-RecvTail:	.res	1	; Tail of receive buffer
-RecvFreeCnt:	.res	1	; Number of bytes in receive buffer
-SendHead:	.res	1	; Head of send buffer
-SendTail:	.res	1	; Tail of send buffer
-SendFreeCnt:	.res	1	; Number of bytes in send buffer
-
-Stopped:	.res	1	; Flow-stopped flag
-RtsOff:		.res	1	;
-
-RecvBuf:	.res	256	; Receive buffers: 256 bytes
-SendBuf:	.res	256	; Send buffers: 256 bytes
-
-Index:		.res	1	; I/O register index
-
-	.rodata
-
-	; Tables used to translate RS232 params into register values
-BaudTable:			; bit7 = 1 means setting is invalid
-	.byte	$FF		; SER_BAUD_45_5
-	.byte	$01		; SER_BAUD_50
-	.byte	$02		; SER_BAUD_75
-	.byte	$03		; SER_BAUD_110
-	.byte	$04		; SER_BAUD_134_5
-	.byte	$05		; SER_BAUD_150
-	.byte	$06		; SER_BAUD_300
-	.byte	$07		; SER_BAUD_600
-	.byte	$08		; SER_BAUD_1200
-	.byte	$09		; SER_BAUD_1800
-	.byte	$0A		; SER_BAUD_2400
-	.byte	$0B		; SER_BAUD_3600
-	.byte	$0C		; SER_BAUD_4800
-	.byte	$0D		; SER_BAUD_7200
-	.byte	$0E		; SER_BAUD_9600
-	.byte	$0F		; SER_BAUD_19200
-	.byte	$FF		; SER_BAUD_38400
-	.byte	$FF		; SER_BAUD_57600
-	.byte	$FF		; SER_BAUD_115200
-	.byte	$FF		; SER_BAUD_230400
+        .bss
+
+RecvHead:       .res    1       ; Head of receive buffer
+RecvTail:       .res    1       ; Tail of receive buffer
+RecvFreeCnt:    .res    1       ; Number of bytes in receive buffer
+SendHead:       .res    1       ; Head of send buffer
+SendTail:       .res    1       ; Tail of send buffer
+SendFreeCnt:    .res    1       ; Number of bytes in send buffer
+
+Stopped:        .res    1       ; Flow-stopped flag
+RtsOff:         .res    1       ;
+
+RecvBuf:        .res    256     ; Receive buffers: 256 bytes
+SendBuf:        .res    256     ; Send buffers: 256 bytes
+
+Index:          .res    1       ; I/O register index
+
+        .rodata
+
+        ; Tables used to translate RS232 params into register values
+BaudTable:                      ; bit7 = 1 means setting is invalid
+        .byte   $FF             ; SER_BAUD_45_5
+        .byte   $01             ; SER_BAUD_50
+        .byte   $02             ; SER_BAUD_75
+        .byte   $03             ; SER_BAUD_110
+        .byte   $04             ; SER_BAUD_134_5
+        .byte   $05             ; SER_BAUD_150
+        .byte   $06             ; SER_BAUD_300
+        .byte   $07             ; SER_BAUD_600
+        .byte   $08             ; SER_BAUD_1200
+        .byte   $09             ; SER_BAUD_1800
+        .byte   $0A             ; SER_BAUD_2400
+        .byte   $0B             ; SER_BAUD_3600
+        .byte   $0C             ; SER_BAUD_4800
+        .byte   $0D             ; SER_BAUD_7200
+        .byte   $0E             ; SER_BAUD_9600
+        .byte   $0F             ; SER_BAUD_19200
+        .byte   $FF             ; SER_BAUD_38400
+        .byte   $FF             ; SER_BAUD_57600
+        .byte   $FF             ; SER_BAUD_115200
+        .byte   $FF             ; SER_BAUD_230400
 BitTable:
-	.byte	$60		; SER_BITS_5
-	.byte	$40		; SER_BITS_6
-	.byte	$20		; SER_BITS_7
-	.byte	$00		; SER_BITS_8
+        .byte   $60             ; SER_BITS_5
+        .byte   $40             ; SER_BITS_6
+        .byte   $20             ; SER_BITS_7
+        .byte   $00             ; SER_BITS_8
 StopTable:
-	.byte	$00		; SER_STOP_1
-	.byte	$80		; SER_STOP_2
+        .byte   $00             ; SER_STOP_1
+        .byte   $80             ; SER_STOP_2
 ParityTable:
-	.byte	$00		; SER_PAR_NONE
-	.byte	$20		; SER_PAR_ODD
-	.byte	$60		; SER_PAR_EVEN
-	.byte	$A0		; SER_PAR_MARK
-	.byte	$E0		; SER_PAR_SPACE
+        .byte   $00             ; SER_PAR_NONE
+        .byte   $20             ; SER_PAR_ODD
+        .byte   $60             ; SER_PAR_EVEN
+        .byte   $A0             ; SER_PAR_MARK
+        .byte   $E0             ; SER_PAR_SPACE
 
-	.code
+        .code
 
 ;----------------------------------------------------------------------------
 ; INSTALL: Is called after the driver is loaded into memory. If possible,
@@ -134,91 +134,91 @@ ParityTable:
 INSTALL:
 UNINSTALL:
 CLOSE:
-	ldx	Index		; Check for open port
-	beq	:+
+        ldx     Index           ; Check for open port
+        beq     :+
 
-	; Deactivate DTR and disable 6551 interrupts
-	lda	#%00001010
-	sta	ACIA_CMD,x
+        ; Deactivate DTR and disable 6551 interrupts
+        lda     #%00001010
+        sta     ACIA_CMD,x
 
-	; Done, return an error code
-:	lda	#SER_ERR_INIT_FAILED
-	rts
-
-	; Baud rate not available
-InvBaud:lda	#SER_ERR_BAUD_UNAVAIL
-	rts
+        ; Check if the handshake setting is valid
+        ldy     #SER_PARAMS::HANDSHAKE  ; Handshake
+        lda     (ptr1),y
+        cmp     #SER_HS_HW              ; This is all we support
+        bne     InvParam
+
+        ; Initialize buffers
+        ldy     #$00
+        sty     Stopped
+        sty     RecvHead
+        sty     RecvTail
+        sty     SendHead
+        sty     SendTail
+        dey                             ; Y = 255
+        sty     RecvFreeCnt
+        sty     SendFreeCnt
+
+        ; Set the value for the control register, which contains stop bits,
+        ; word length and the baud rate.
+        ldy     #SER_PARAMS::BAUDRATE
+        lda     (ptr1),y                ; Baudrate index
+        tay
+        lda     BaudTable,y             ; Get 6551 value
+        bmi     InvBaud                 ; Branch if rate not supported
+        sta     tmp1
+
+        ldy     #SER_PARAMS::DATABITS   ; Databits
+        lda     (ptr1),y
+        tay
+        lda     BitTable,y
+        ora     tmp1
+        sta     tmp1
+
+        ldy     #SER_PARAMS::STOPBITS   ; Stopbits
+        lda     (ptr1),y
+        tay
+        lda     StopTable,y
+        ora     tmp1
+        ora     #%00010000              ; Receiver clock source = baudrate
+        sta     ACIA_CTRL
+
+        ; Set the value for the command register. We remember the base value
+        ; in RtsOff, since we will have to manipulate ACIA_CMD often.
+        ldy     #SER_PARAMS::PARITY     ; Parity
+        lda     (ptr1),y
+        tay
+        lda     ParityTable,y
+        ora     #%00000001              ; DTR active
+        sta     RtsOff
+        ora     #%00001000              ; Enable receive interrupts
+        sta     ACIA_CMD
+
+        ; Done
+        stx     Index                   ; Mark port as open
+        lda     #SER_ERR_INIT_FAILED
+        rts
+
+        ; Baud rate not available
+InvBaud:lda     #SER_ERR_BAUD_UNAVAIL
+        rts
 
 ;----------------------------------------------------------------------------
 ; GET: Will fetch a character from the receive buffer and store it into the
@@ -226,82 +226,82 @@ InvBaud:lda	#SER_ERR_NO_DATA
-	rts
-
-	; Check for flow stopped & enough free: release flow control
-:	ldy	Stopped		; (34)
-	beq	:+
-	cmp	#63
-	bcc	:+
-	lda	#$00
-	sta	Stopped
-	lda	RtsOff
-	ora	#%00001000
-	sta	ACIA_CMD
-
-	; Get byte from buffer
-:	ldy	RecvHead	; (41)
-	lda	RecvBuf,y
-	inc	RecvHead
-	inc	RecvFreeCnt
-	ldx	#$00		; (59)
-	sta	(ptr1,x)
-	txa			; Return code = 0
-	rts
+        ldy     SendFreeCnt     ; Send data if necessary
+        iny                     ; Y == $FF?
+        beq     :+
+        lda     #$00            ; TryHard = false
+        jsr     TryToSend
+
+        ; Check for buffer empty
+:       lda     RecvFreeCnt     ; (25)
+        cmp     #$FF
+        bne     :+
+        lda     #SER_ERR_NO_DATA
+        rts
+
+        ; Check for flow stopped & enough free: release flow control
+:       ldy     Stopped         ; (34)
+        beq     :+
+        cmp     #63
+        bcc     :+
+        lda     #$00
+        sta     Stopped
+        lda     RtsOff
+        ora     #%00001000
+        sta     ACIA_CMD
+
+        ; Get byte from buffer
+:       ldy     RecvHead        ; (41)
+        lda     RecvBuf,y
+        inc     RecvHead
+        inc     RecvFreeCnt
+        ldx     #$00            ; (59)
+        sta     (ptr1,x)
+        txa                     ; Return code = 0
+        rts
 
 ;----------------------------------------------------------------------------
 ; PUT: Output character in A.
 ; Must return an SER_ERR_xx code in a/x.
 
 PUT:
-	; Try to send
-	ldy	SendFreeCnt
-	iny			; Y = $FF?
-	beq	:+
-	pha
-	lda	#$00		; TryHard = false
-	jsr	TryToSend
-	pla
-
-	; Put byte into send buffer & send
-:	ldy	SendFreeCnt
-	bne	:+
-	lda	#SER_ERR_OVERFLOW
-	rts
-
-:	ldy	SendTail
-	sta	SendBuf,y
-	inc	SendTail
-	dec	SendFreeCnt
-	lda	#$FF		; TryHard = true
-	jsr	TryToSend
-	lda	#SER_ERR_OVERFLOW
+        rts
+
+:       ldy     SendTail
+        sta     SendBuf,y
+        inc     SendTail
+        dec     SendFreeCnt
+        lda     #$FF            ; TryHard = true
+        jsr     TryToSend
+        lda     #SER_ERR_INV_IOCTL
-	rts
+        lda     #SER_ERR_INV_IOCTL
+        rts
 
 ;----------------------------------------------------------------------------
 ; IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
@@ -320,55 +320,55 @@ IOCTL:
 ; was handled, otherwise with carry clear.
 
 IRQ:
-	ldx	Index		; Check for open port
-	beq	Done
-	lda	ACIA_STATUS,x	; Check ACIA status for receive interrupt
-	and	#$08
-	beq	Done		; Jump if no ACIA interrupt
-	lda	ACIA_DATA,x	; Get byte from ACIA
-	ldy	RecvFreeCnt	; Check if we have free space left
-	beq	Flow		; Jump if no space in receive buffer
-	ldy	RecvTail	; Load buffer pointer
-	sta	RecvBuf,y	; Store received byte in buffer
-	inc	RecvTail	; Increment buffer pointer
-	dec	RecvFreeCnt	; Decrement free space counter
-	ldy	RecvFreeCnt	; Check for buffer space low
-	cpy	#33
-	bcc	Flow		; Assert flow control if buffer space low
-	rts			; Interrupt handled (carry already set)
-
-	; Assert flow control if buffer space too low
-Flow:	lda	RtsOff
-	sta	ACIA_CMD,x
-	sta	Stopped
-	sec			; Interrupt handled
-Done:	rts
+        ldx     Index           ; Check for open port
+        beq     Done
+        lda     ACIA_STATUS,x   ; Check ACIA status for receive interrupt
+        and     #$08
+        beq     Done            ; Jump if no ACIA interrupt
+        lda     ACIA_DATA,x     ; Get byte from ACIA
+        ldy     RecvFreeCnt     ; Check if we have free space left
+        beq     Flow            ; Jump if no space in receive buffer
+        ldy     RecvTail        ; Load buffer pointer
+        sta     RecvBuf,y       ; Store received byte in buffer
+        inc     RecvTail        ; Increment buffer pointer
+        dec     RecvFreeCnt     ; Decrement free space counter
+        ldy     RecvFreeCnt     ; Check for buffer space low
+        cpy     #33
+        bcc     Flow            ; Assert flow control if buffer space low
+        rts                     ; Interrupt handled (carry already set)
+
+        ; Assert flow control if buffer space too low
+Flow:   lda     RtsOff
+        sta     ACIA_CMD,x
+        sta     Stopped
+        sec                     ; Interrupt handled
+Done:   rts
 
 ;----------------------------------------------------------------------------
 ; Try to send a byte. Internal routine. A = TryHard
 
 TryToSend:
-	sta	tmp1		; Remember tryHard flag
-Again:	lda	SendFreeCnt
-	cmp	#$FF
-	beq	Quit		; Bail out
-
-	; Check for flow stopped
-	lda	Stopped
-	bne	Quit		; Bail out
-
-	; Check that ACIA is ready to send
-	lda	ACIA_STATUS
-	and	#$10
-	bne	Send
-	bit	tmp1		; Keep trying if must try hard
-	bmi	Again
-Quit:	rts
-
-	; Send byte and try again
-Send:	ldy	SendHead
-	lda	SendBuf,y
-	sta	ACIA_DATA
-	inc	SendHead
-	inc	SendFreeCnt
-	jmp	Again
+        sta     tmp1            ; Remember tryHard flag
+Again:  lda     SendFreeCnt
+        cmp     #$FF
+        beq     Quit            ; Bail out
+
+        ; Check for flow stopped
+        lda     Stopped
+        bne     Quit            ; Bail out
+
+        ; Check that ACIA is ready to send
+        lda     ACIA_STATUS
+        and     #$10
+        bne     Send
+        bit     tmp1            ; Keep trying if must try hard
+        bmi     Again
+Quit:   rts
+
+        ; Send byte and try again
+Send:   ldy     SendHead
+        lda     SendBuf,y
+        sta     ACIA_DATA
+        inc     SendHead
+        inc     SendFreeCnt
+        jmp     Again
diff --git a/libsrc/atmos/store_filename.s b/libsrc/atmos/store_filename.s
index a909bcf15..cb6d8b933 100644
--- a/libsrc/atmos/store_filename.s
+++ b/libsrc/atmos/store_filename.s
@@ -1,12 +1,12 @@
-	.export		store_filename
-	.importzp	ptr1
+        .export         store_filename
+        .importzp       ptr1
 
 store_filename:
-	sta	ptr1
-	stx	ptr1+1
-	ldy	#$0f   ;store filename
-:	lda	(ptr1),y
-	sta	$027f,y
-	dey
-	bpl	:-
-	rts
+        sta     ptr1
+        stx     ptr1+1
+        ldy     #$0f   ;store filename
+:       lda     (ptr1),y
+        sta     $027f,y
+        dey
+        bpl     :-
+        rts
diff --git a/libsrc/atmos/systime.s b/libsrc/atmos/systime.s
index 1d039e80e..d22b8c596 100644
--- a/libsrc/atmos/systime.s
+++ b/libsrc/atmos/systime.s
@@ -9,7 +9,7 @@
 ;  */
 ;
 
-	.export		__systime
+        .export         __systime
 
         .importzp       sreg
 
diff --git a/libsrc/atmos/sysuname.s b/libsrc/atmos/sysuname.s
index d86ce5047..546f942ab 100644
--- a/libsrc/atmos/sysuname.s
+++ b/libsrc/atmos/sysuname.s
@@ -4,11 +4,11 @@
 ; unsigned char __fastcall__ _sysuname (struct utsname* buf);
 ;
 
-	.export		__sysuname, utsdata
+        .export         __sysuname, utsdata
 
-	.import		utscopy
+        .import         utscopy
 
-	__sysuname = utscopy
+        __sysuname = utscopy
 
 ;--------------------------------------------------------------------------
 ; Data. We define a fixed utsname struct here and just copy it.
@@ -16,31 +16,31 @@
 .rodata
 
 utsdata:
-	; sysname
-	.asciiz		"cc65"
-
-	; nodename
-	.asciiz		""
-
-	; release
-	.byte		((.VERSION >> 8) & $0F) + '0'
-	.byte		'.'
-	.if		((.VERSION >> 4) & $0F) > 9
-	.byte		((.VERSION >> 4) & $0F) / 10 + '0'
-	.byte		((.VERSION >> 4) & $0F) .MOD 10 + '0'
-	.else
-	.byte		((.VERSION >> 4) & $0F) + '0'
-	.endif
-	.byte		$00
-
-	; version
-	.if		(.VERSION & $0F) > 9
-	.byte		(.VERSION & $0F) / 10 + '0'
-	.byte		(.VERSION & $0F) .MOD 10 + '0'
-	.else
-	.byte		(.VERSION & $0F) + '0'
-	.endif
-	.byte		$00
-
-	; machine
-	.asciiz		"Oric Atmos"
+        ; sysname
+        .asciiz         "cc65"
+
+        ; nodename
+        .asciiz         ""
+
+        ; release
+        .byte           ((.VERSION >> 8) & $0F) + '0'
+        .byte           '.'
+        .if             ((.VERSION >> 4) & $0F) > 9
+        .byte           ((.VERSION >> 4) & $0F) / 10 + '0'
+        .byte           ((.VERSION >> 4) & $0F) .MOD 10 + '0'
+        .else
+        .byte           ((.VERSION >> 4) & $0F) + '0'
+        .endif
+        .byte           $00
+
+        ; version
+        .if             (.VERSION & $0F) > 9
+        .byte           (.VERSION & $0F) / 10 + '0'
+        .byte           (.VERSION & $0F) .MOD 10 + '0'
+        .else
+        .byte           (.VERSION & $0F) + '0'
+        .endif
+        .byte           $00
+
+        ; machine
+        .asciiz         "Oric Atmos"
diff --git a/libsrc/atmos/tgi/atmos-228-200-3.s b/libsrc/atmos/tgi/atmos-228-200-3.s
index 03a9ce7df..9417fff0d 100644
--- a/libsrc/atmos/tgi/atmos-228-200-3.s
+++ b/libsrc/atmos/tgi/atmos-228-200-3.s
@@ -5,59 +5,59 @@
 ; 2012-08-11, Greg King 
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"tgi-kernel.inc"
-	.include	"tgi-error.inc"
-	.include	"atmos.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
+        .include        "atmos.inc"
 
-	.macpack	generic
+        .macpack        generic
 
-XSIZE	=	6		; System font width
-YSIZE	=	8		; System font height
+XSIZE   =       6               ; System font width
+YSIZE   =       8               ; System font height
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table and constants.
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; The first part of the header is a structure that has a signature,
 ; and defines the capabilities of the driver.
 
-	.byte	"tgi"
-	.byte	TGI_API_VERSION	; TGI API version number
-	.word	228		; x resolution
-	.word	200		; y resolution
-	.byte	3		; Number of drawing colors
-	.byte	1		; Number of screens available
-	.byte	XSIZE		; System font x size
-	.byte	YSIZE		; System font y size
-	.word	$011C		; Aspect ratio (based on 4/3 display)
-	.byte	0		; TGI driver flags
+        .byte   "tgi"
+        .byte   TGI_API_VERSION ; TGI API version number
+        .word   228             ; x resolution
+        .word   200             ; y resolution
+        .byte   3               ; Number of drawing colors
+        .byte   1               ; Number of screens available
+        .byte   XSIZE           ; System font x size
+        .byte   YSIZE           ; System font y size
+        .word   $011C           ; Aspect ratio (based on 4/3 display)
+        .byte   0               ; TGI driver flags
 
 ; Next comes the jump table. Currently, all entries must be valid;
 ; and, may point to an RTS, for test versions (function not implemented).
 
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	INIT
-	.addr	DONE
-	.addr	GETERROR
-	.addr	CONTROL
-	.addr	CLEAR
-	.addr	SETVIEWPAGE
-	.addr	SETDRAWPAGE
-	.addr	SETCOLOR
-	.addr	SETPALETTE
-	.addr	GETPALETTE
-	.addr	GETDEFPALETTE
-	.addr	SETPIXEL
-	.addr	GETPIXEL
-	.addr	LINE
-	.addr	BAR
-	.addr	TEXTSTYLE
-	.addr	OUTTEXT
-	.addr	0		; IRQ entry is unused
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   INIT
+        .addr   DONE
+        .addr   GETERROR
+        .addr   CONTROL
+        .addr   CLEAR
+        .addr   SETVIEWPAGE
+        .addr   SETDRAWPAGE
+        .addr   SETCOLOR
+        .addr   SETPALETTE
+        .addr   GETPALETTE
+        .addr   GETDEFPALETTE
+        .addr   SETPIXEL
+        .addr   GETPIXEL
+        .addr   LINE
+        .addr   BAR
+        .addr   TEXTSTYLE
+        .addr   OUTTEXT
+        .addr   0               ; IRQ entry is unused
 
 ; ------------------------------------------------------------------------
 ; Data.
@@ -65,34 +65,34 @@ YSIZE	=	8		; System font height
 ; Variables mapped to the zero-page segment variables. These are
 ; used for passing parameters to the driver.
 
-X1	:=	ptr1
-Y1	:=	ptr2
-X2	:=	ptr3
-Y2	:=	ptr4
+X1      :=      ptr1
+Y1      :=      ptr2
+X2      :=      ptr3
+Y2      :=      ptr4
 
 ; Absolute variables used in the code
 
 .bss
 
-ERROR:		.res	1	; Error code
-MODE:		.res	1	; Graphics mode
-PALETTE:	.res	2
+ERROR:          .res    1       ; Error code
+MODE:           .res    1       ; Graphics mode
+PALETTE:        .res    2
 
 ; Constants and table
 ; BASIC 1.1 addresses
-PATTERN	:=	$213
-PARAM1	:=	$2E1		; & $2E2
-PARAM2	:=	$2E3		; & $2E4
-PARAM3	:=	$2E5		; & $2E6
-TEXT	:=	$EC21
-HIRES	:=	$EC33
-CURSET	:=	$F0C8
-CURMOV	:=	$F0FD
-DRAW	:=	$F110
-CHAR	:=	$F12D
-POINT	:=	$F1C8
-PAPER	:=	$F204
-INK	:=	$F210
+PATTERN :=      $213
+PARAM1  :=      $2E1            ; & $2E2
+PARAM2  :=      $2E3            ; & $2E4
+PARAM3  :=      $2E5            ; & $2E6
+TEXT    :=      $EC21
+HIRES   :=      $EC33
+CURSET  :=      $F0C8
+CURMOV  :=      $F0FD
+DRAW    :=      $F110
+CHAR    :=      $F12D
+POINT   :=      $F1C8
+PAPER   :=      $F204
+INK     :=      $F210
 
 .rodata
 
@@ -100,7 +100,7 @@ INK	:=	$F210
 ; (The third "color" actually flips a pixel
 ; between the foreground and background colors.)
 ;
-DEFPALETTE:	.byte	0, 1
+DEFPALETTE:     .byte   0, 1
 
 .code
 
@@ -121,7 +121,7 @@ INIT:
 
 ; Switch into graphics mode.
 
-	jsr	HIRES
+        jsr     HIRES
 
 ; Done, reset the error code.
 
@@ -129,9 +129,9 @@ INIT:
 ; GETERROR: Return the error code in A, and clear it.
 
 GETERROR:
-	ldx	#TGI_ERR_OK
-	lda	ERROR
-	stx	ERROR
+        ldx     #TGI_ERR_OK
+        lda     ERROR
+        stx     ERROR
 
 ; ------------------------------------------------------------------------
 ; INSTALL routine. Is called after the driver is loaded into memory. May
@@ -151,7 +151,7 @@ INSTALL:
 ;
 
 UNINSTALL:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; DONE: Will be called to switch the graphics device back into text mode.
@@ -161,7 +161,7 @@ UNINSTALL:
 ; Must set an error code: NO
 ;
 
-DONE	:=	TEXT
+DONE    :=      TEXT
 
 ; ------------------------------------------------------------------------
 ; CONTROL: Platform-/driver-specific entry point.
@@ -170,10 +170,10 @@ DONE	:=	TEXT
 ;
 
 CONTROL:
-	sta	PATTERN
-	lda	#TGI_ERR_OK
-	sta	ERROR
-	rts
+        sta     PATTERN
+        lda     #TGI_ERR_OK
+        sta     ERROR
+        rts
 
 ; ------------------------------------------------------------------------
 ; CLEAR: Clears the screen.
@@ -181,7 +181,7 @@ CONTROL:
 ; Must set an error code: NO
 ;
 
-CLEAR	:=	HIRES
+CLEAR   :=      HIRES
 
 ; ------------------------------------------------------------------------
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
@@ -200,7 +200,7 @@ SETVIEWPAGE:
 ;
 
 SETDRAWPAGE:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETCOLOR: Set the drawing color (in A). The new color already is checked
@@ -210,8 +210,8 @@ SETDRAWPAGE:
 ;
 
 SETCOLOR:
-	sta	MODE
-	rts
+        sta     MODE
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETPALETTE: Set the palette (not available with all drivers/hardware).
@@ -222,27 +222,27 @@ SETCOLOR:
 ;
 
 SETPALETTE:
-	ldy	#0
-	jsr	flipcolor
-	sty	PARAM1+1
-	jsr	PAPER
-	ldy	#1
-	jsr	flipcolor
-	dey			; TGI_ERR_OK
-	sty	ERROR
-	sty	PARAM1+1
-	jmp	INK
+        ldy     #0
+        jsr     flipcolor
+        sty     PARAM1+1
+        jsr     PAPER
+        ldy     #1
+        jsr     flipcolor
+        dey                     ; TGI_ERR_OK
+        sty     ERROR
+        sty     PARAM1+1
+        jmp     INK
 
 flipcolor:
-	lda	(ptr1),y
-	sta	PALETTE,y
-	cmp	#1
-	beq	@flip
-	cmp	#7
-	bne	@keep
-@flip:	eor	#1 ^ 7
-@keep:	sta	PARAM1
-	rts
+        lda     (ptr1),y
+        sta     PALETTE,y
+        cmp     #1
+        beq     @flip
+        cmp     #7
+        bne     @keep
+@flip:  eor     #1 ^ 7
+@keep:  sta     PARAM1
+        rts
 
 ; ------------------------------------------------------------------------
 ; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
@@ -253,9 +253,9 @@ flipcolor:
 ;
 
 GETPALETTE:
-	lda	#PALETTE
-	rts
+        lda     #PALETTE
+        rts
 
 ; ------------------------------------------------------------------------
 ; GETDEFPALETTE: Return the default palette for the driver in A/X. All
@@ -267,9 +267,9 @@ GETPALETTE:
 ;
 
 GETDEFPALETTE:
-	lda	#DEFPALETTE
-	rts
+        lda     #DEFPALETTE
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
@@ -280,18 +280,18 @@ GETDEFPALETTE:
 ;
 
 SETPIXEL:
-	lda	Y1
-	sta	PARAM2
-	lda	MODE
-mymode:	sta	PARAM3
-	lda	X1
-	add	#2 * XSIZE	; Skip screen attribute columns
-	sta	PARAM1
-	lda	#0
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	jmp	CURSET
+        lda     Y1
+        sta     PARAM2
+        lda     MODE
+mymode: sta     PARAM3
+        lda     X1
+        add     #2 * XSIZE      ; Skip screen attribute columns
+        sta     PARAM1
+        lda     #0
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        jmp     CURSET
 
 ; ------------------------------------------------------------------------
 ; GETPIXEL: Read the color value of a pixel, and return it in A/X. The
@@ -299,18 +299,18 @@ mymode:	sta	PARAM3
 ; area, so there is no need for clipping inside this function.
 
 GETPIXEL:
-	lda	X1
-	sta	PARAM1
-	lda	Y1
-	sta	PARAM2
-	lda	#0
-	sta	PARAM1+1
-	sta	PARAM2+1
-	jsr	POINT
-	lda	PARAM1
-	and	#%00000001
-	ldx	#0
-	rts
+        lda     X1
+        sta     PARAM1
+        lda     Y1
+        sta     PARAM2
+        lda     #0
+        sta     PARAM1+1
+        sta     PARAM2+1
+        jsr     POINT
+        lda     PARAM1
+        and     #%00000001
+        ldx     #0
+        rts
 
 ; ------------------------------------------------------------------------
 ; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
@@ -320,24 +320,24 @@ GETPIXEL:
 ;
 
 LINE:
-	jsr	SETPIXEL
-	lda	X2
-	sub	X1
-	sta	PARAM1
-	lda	X2+1
-	sbc	X1+1
-	sta	PARAM1+1
-	lda	Y2
-	sub	Y1
-	sta	PARAM2
-	lda	Y2+1
-	sbc	Y1+1
-	sta	PARAM2+1
-	lda	MODE
-	sta	PARAM3
-	ldx	#>0
-	stx	PARAM3+1
-	jmp	DRAW
+        jsr     SETPIXEL
+        lda     X2
+        sub     X1
+        sta     PARAM1
+        lda     X2+1
+        sbc     X1+1
+        sta     PARAM1+1
+        lda     Y2
+        sub     Y1
+        sta     PARAM2
+        lda     Y2+1
+        sbc     Y1+1
+        sta     PARAM2+1
+        lda     MODE
+        sta     PARAM3
+        ldx     #>0
+        stx     PARAM3+1
+        jmp     DRAW
 
 ; ------------------------------------------------------------------------
 ; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
@@ -345,29 +345,29 @@ LINE:
 ; Contrary to most other functions, the graphics kernel will sort and clip
 ; the co-ordinates before calling the driver; so, on entry, the following
 ; conditions are valid:
-;	X1 <= X2
-;	Y1 <= Y2
-;	(X1 >= 0) && (X1 < XRES)
-;	(X2 >= 0) && (X2 < XRES)
-;	(Y1 >= 0) && (Y1 < YRES)
-;	(Y2 >= 0) && (Y2 < YRES)
+;       X1 <= X2
+;       Y1 <= Y2
+;       (X1 >= 0) && (X1 < XRES)
+;       (X2 >= 0) && (X2 < XRES)
+;       (Y1 >= 0) && (Y1 < YRES)
+;       (Y2 >= 0) && (Y2 < YRES)
 ;
 ; Must set an error code: NO
 ;
 
 BAR:
-	inc	Y2
-@L1:	lda	Y2
-	pha
-	lda	Y1
-	sta	Y2
-	jsr	LINE
-	pla
-	sta	Y2
-	inc	Y1
-	cmp	Y1
-	bne	@L1
-	rts
+        inc     Y2
+@L1:    lda     Y2
+        pha
+        lda     Y1
+        sta     Y2
+        jsr     LINE
+        pla
+        sta     Y2
+        inc     Y1
+        cmp     Y1
+        bne     @L1
+        rts
 
 ; ------------------------------------------------------------------------
 ; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in the x
@@ -377,7 +377,7 @@ BAR:
 ;
 
 TEXTSTYLE:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -389,38 +389,38 @@ TEXTSTYLE:
 ;
 
 OUTTEXT:
-	lda	Y1
-	sub	#(YSIZE - 1)
-	sta	PARAM2
-	lda	#3		; (Move graphics cursor; don't draw)
-	jsr	mymode
-
-	ldy	#0
-@next:	lda	(ptr3),y
-	beq	@end
-	sta	PARAM1
-	lda	#0
-	sta	PARAM2
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	lda	MODE
-	sta	PARAM3
-	tya
-	pha
-	jsr	CHAR
-	lda	#XSIZE
-	sta	PARAM1
-	lda	#0
-	sta	PARAM2
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	lda	#3
-	sta	PARAM3
-	jsr	CURMOV
-	pla
-	tay
-	iny
-	bne	@next
-@end:	rts
+        lda     Y1
+        sub     #(YSIZE - 1)
+        sta     PARAM2
+        lda     #3              ; (Move graphics cursor; don't draw)
+        jsr     mymode
+
+        ldy     #0
+@next:  lda     (ptr3),y
+        beq     @end
+        sta     PARAM1
+        lda     #0
+        sta     PARAM2
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        lda     MODE
+        sta     PARAM3
+        tya
+        pha
+        jsr     CHAR
+        lda     #XSIZE
+        sta     PARAM1
+        lda     #0
+        sta     PARAM2
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        lda     #3
+        sta     PARAM3
+        jsr     CURMOV
+        pla
+        tay
+        iny
+        bne     @next
+@end:   rts
diff --git a/libsrc/atmos/tgi/atmos-240-200-2.s b/libsrc/atmos/tgi/atmos-240-200-2.s
index 9027b3340..735d75f93 100644
--- a/libsrc/atmos/tgi/atmos-240-200-2.s
+++ b/libsrc/atmos/tgi/atmos-240-200-2.s
@@ -5,58 +5,58 @@
 ; 2012-08-11, Greg King 
 ;
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-	.include	"tgi-kernel.inc"
-	.include	"tgi-error.inc"
-	.include	"atmos.inc"
+        .include        "tgi-kernel.inc"
+        .include        "tgi-error.inc"
+        .include        "atmos.inc"
 
-	.macpack	generic
+        .macpack        generic
 
-XSIZE	=	6			; System font width
-YSIZE	=	8			; System font height
+XSIZE   =       6                       ; System font width
+YSIZE   =       8                       ; System font height
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table and constants.
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 ; First part of the header is a structure that has a magic and defines the
 ; capabilities of the driver
 
-	.byte	$74, $67, $69		; "tgi"
-	.byte	TGI_API_VERSION		; TGI API version number
-	.word	240			; X resolution
-	.word	200			; Y resolution
-	.byte	2			; Number of drawing colors
-	.byte	1			; Number of screens available
-	.byte	XSIZE			; System font X size
-	.byte	YSIZE			; System font Y size
+        .byte   $74, $67, $69           ; "tgi"
+        .byte   TGI_API_VERSION         ; TGI API version number
+        .word   240                     ; X resolution
+        .word   200                     ; Y resolution
+        .byte   2                       ; Number of drawing colors
+        .byte   1                       ; Number of screens available
+        .byte   XSIZE                   ; System font X size
+        .byte   YSIZE                   ; System font Y size
         .word   $011C                   ; Aspect ratio (based on 4/3 display)
         .byte   0                       ; TGI driver flags
 
 ; Next comes the jump table. Currently all entries must be valid and may point
 ; to an RTS for test versions (function not implemented).
 
-       	.addr   INSTALL
-       	.addr   UNINSTALL
-       	.addr   INIT
-       	.addr   DONE
-       	.addr   GETERROR
-       	.addr   CONTROL
-       	.addr   CLEAR
-       	.addr   SETVIEWPAGE
-       	.addr   SETDRAWPAGE
-       	.addr   SETCOLOR
-       	.addr   SETPALETTE
-       	.addr   GETPALETTE
-       	.addr   GETDEFPALETTE
-       	.addr   SETPIXEL
-       	.addr   GETPIXEL
-       	.addr   LINE
-       	.addr   BAR
-       	.addr   TEXTSTYLE
-       	.addr   OUTTEXT
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   INIT
+        .addr   DONE
+        .addr   GETERROR
+        .addr   CONTROL
+        .addr   CLEAR
+        .addr   SETVIEWPAGE
+        .addr   SETDRAWPAGE
+        .addr   SETCOLOR
+        .addr   SETPALETTE
+        .addr   GETPALETTE
+        .addr   GETDEFPALETTE
+        .addr   SETPIXEL
+        .addr   GETPIXEL
+        .addr   LINE
+        .addr   BAR
+        .addr   TEXTSTYLE
+        .addr   OUTTEXT
         .addr   0                       ; IRQ entry is unused
 
 ; ------------------------------------------------------------------------
@@ -65,35 +65,35 @@ YSIZE	=	8			; System font height
 ; Variables mapped to the zero page segment variables. Some of these are
 ; used for passing parameters to the driver.
 
-X1		= ptr1
-Y1		= ptr2
-X2		= ptr3
-Y2		= ptr4
+X1              = ptr1
+Y1              = ptr2
+X2              = ptr3
+Y2              = ptr4
 
 ; Absolute variables used in the code
 
 .bss
 
-ERROR:		.res	1	; Error code
-MODE:		.res	1	; Graphics mode
+ERROR:          .res    1       ; Error code
+MODE:           .res    1       ; Graphics mode
 
 ; Constants and tables
-PARAM1		= $2E1
-PARAM2		= $2E3
-PARAM3		= $2E5
-TEXT		= $EC21
-HIRES		= $EC33
-CURSET		= $F0C8
-CURMOV		= $F0FD
-DRAW		= $F110
-CHAR		= $F12D
-POINT		= $F1C8
-PAPER		= $F204
-INK		= $F210
+PARAM1          = $2E1
+PARAM2          = $2E3
+PARAM3          = $2E5
+TEXT            = $EC21
+HIRES           = $EC33
+CURSET          = $F0C8
+CURMOV          = $F0FD
+DRAW            = $F110
+CHAR            = $F12D
+POINT           = $F1C8
+PAPER           = $F204
+INK             = $F210
 
 .rodata
 
-DEFPALETTE:	.byte	0, 1
+DEFPALETTE:     .byte   0, 1
 
 .code
 
@@ -115,7 +115,7 @@ INSTALL:
 ;
 
 UNINSTALL:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; INIT: Changes an already installed device from text mode to graphics
@@ -135,13 +135,13 @@ INIT:
 
 ; Switch into graphics mode
 
-	jsr	HIRES
+        jsr     HIRES
 
 ; Done, reset the error code
 
-	lda	#TGI_ERR_OK
-	sta	ERROR
-	rts
+        lda     #TGI_ERR_OK
+        sta     ERROR
+        rts
 
 ; ------------------------------------------------------------------------
 ; DONE: Will be called to switch the graphics device back into text mode.
@@ -151,16 +151,16 @@ INIT:
 ; Must set an error code: NO
 ;
 
-DONE		= TEXT
+DONE            = TEXT
 
 ; ------------------------------------------------------------------------
 ; GETERROR: Return the error code in A and clear it.
 
 GETERROR:
-	ldx	#TGI_ERR_OK
-	lda	ERROR
-	stx	ERROR
-	rts
+        ldx     #TGI_ERR_OK
+        lda     ERROR
+        stx     ERROR
+        rts
 
 ; ------------------------------------------------------------------------
 ; CONTROL: Platform/driver specific entry point.
@@ -169,10 +169,10 @@ GETERROR:
 ;
 
 CONTROL:
-	sta	$213
-	lda	#TGI_ERR_OK
-	sta	ERROR
-	rts
+        sta     $213
+        lda     #TGI_ERR_OK
+        sta     ERROR
+        rts
 
 ; ------------------------------------------------------------------------
 ; CLEAR: Clears the screen.
@@ -180,7 +180,7 @@ CONTROL:
 ; Must set an error code: NO
 ;
 
-CLEAR		= HIRES
+CLEAR           = HIRES
 
 ; ------------------------------------------------------------------------
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
@@ -199,7 +199,7 @@ SETVIEWPAGE:
 ;
 
 SETDRAWPAGE:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETCOLOR: Set the drawing color (in A). The new color is already checked
@@ -209,8 +209,8 @@ SETDRAWPAGE:
 ;
 
 SETCOLOR:
-	sta	MODE
-	rts
+        sta     MODE
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETPALETTE: Set the palette (not available with all drivers/hardware).
@@ -221,9 +221,9 @@ SETCOLOR:
 ;
 
 SETPALETTE:
-	lda	#TGI_ERR_INV_FUNC	; This resolution has no palette
-	sta	ERROR
-	rts
+        lda     #TGI_ERR_INV_FUNC       ; This resolution has no palette
+        sta     ERROR
+        rts
 
 ; ------------------------------------------------------------------------
 ; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
@@ -245,9 +245,9 @@ GETPALETTE:
 ;
 
 GETDEFPALETTE:
-	lda	#DEFPALETTE
-	rts
+        lda     #DEFPALETTE
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
@@ -258,17 +258,17 @@ GETDEFPALETTE:
 ;
 
 SETPIXEL:
-	lda	Y1
-	sta	PARAM2
-	lda	MODE
-mymode:	sta	PARAM3
-	lda	X1
-	sta	PARAM1
-	lda	#0
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	jmp	CURSET
+        lda     Y1
+        sta     PARAM2
+        lda     MODE
+mymode: sta     PARAM3
+        lda     X1
+        sta     PARAM1
+        lda     #0
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        jmp     CURSET
 
 ; ------------------------------------------------------------------------
 ; GETPIXEL: Read the color value of a pixel and return it in A/X. The
@@ -276,18 +276,18 @@ mymode:	sta	PARAM3
 ; area, so there is no need for clipping inside this function.
 
 GETPIXEL:
-	lda	X1
-	sta	PARAM1
-	lda	Y1
-	sta	PARAM2
-	lda	#0
-	sta	PARAM1+1
-	sta	PARAM2+1
-	jsr	POINT
-	lda	PARAM1
-	and	#%00000001
-	ldx	#0
-	rts
+        lda     X1
+        sta     PARAM1
+        lda     Y1
+        sta     PARAM2
+        lda     #0
+        sta     PARAM1+1
+        sta     PARAM2+1
+        jsr     POINT
+        lda     PARAM1
+        and     #%00000001
+        ldx     #0
+        rts
 
 ; ------------------------------------------------------------------------
 ; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
@@ -297,24 +297,24 @@ GETPIXEL:
 ;
 
 LINE:
-	jsr	SETPIXEL
-	lda	X2
-	sub	X1
-	sta	PARAM1
-	lda	X2+1
-	sbc	X1+1
-	sta	PARAM1+1
-	lda	Y2
-	sub	Y1
-	sta	PARAM2
-	lda	Y2+1
-	sbc	Y1+1
-	sta	PARAM2+1
-	lda	MODE
-	sta	PARAM3
-	ldx	#>0
-	stx	PARAM3+1
-	jmp	DRAW
+        jsr     SETPIXEL
+        lda     X2
+        sub     X1
+        sta     PARAM1
+        lda     X2+1
+        sbc     X1+1
+        sta     PARAM1+1
+        lda     Y2
+        sub     Y1
+        sta     PARAM2
+        lda     Y2+1
+        sbc     Y1+1
+        sta     PARAM2+1
+        lda     MODE
+        sta     PARAM3
+        ldx     #>0
+        stx     PARAM3+1
+        jmp     DRAW
 
 ; ------------------------------------------------------------------------
 ; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
@@ -322,29 +322,29 @@ LINE:
 ; Contrary to most other functions, the graphics kernel will sort and clip
 ; the coordinates before calling the driver, so on entry the following
 ; conditions are valid:
-;	X1 <= X2
-;	Y1 <= Y2
-;	(X1 >= 0) && (X1 < XRES)
-;	(X2 >= 0) && (X2 < XRES)
-;	(Y1 >= 0) && (Y1 < YRES)
-;	(Y2 >= 0) && (Y2 < YRES)
+;       X1 <= X2
+;       Y1 <= Y2
+;       (X1 >= 0) && (X1 < XRES)
+;       (X2 >= 0) && (X2 < XRES)
+;       (Y1 >= 0) && (Y1 < YRES)
+;       (Y2 >= 0) && (Y2 < YRES)
 ;
 ; Must set an error code: NO
 ;
 
 BAR:
-	inc	Y2
-@L1:	lda	Y2
-	pha
-  	lda	Y1
-	sta	Y2
-	jsr	LINE
-	pla
-	sta	Y2
-	inc	Y1
-	cmp	Y1
-	bne	@L1
-	rts
+        inc     Y2
+@L1:    lda     Y2
+        pha
+        lda     Y1
+        sta     Y2
+        jsr     LINE
+        pla
+        sta     Y2
+        inc     Y1
+        cmp     Y1
+        bne     @L1
+        rts
 
 ; ------------------------------------------------------------------------
 ; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
@@ -354,7 +354,7 @@ BAR:
 ;
 
 TEXTSTYLE:
-	rts
+        rts
 
 
 ; ------------------------------------------------------------------------
@@ -366,38 +366,38 @@ TEXTSTYLE:
 ;
 
 OUTTEXT:
-	lda	Y1
-	sub	#(YSIZE - 1)
-	sta	PARAM2
-	lda	#3		; (Move graphics cursor; don't draw)
-	jsr	mymode
-
-	ldy	#0
-@next:	lda	(ptr3),y
-	beq	@end
-	sta	PARAM1
-	lda	#0
-	sta	PARAM2
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	lda	MODE
-	sta	PARAM3
-	tya
-	pha
-	jsr	CHAR
-	lda	#XSIZE
-	sta	PARAM1
-	lda	#0
-	sta	PARAM2
-	sta	PARAM1+1
-	sta	PARAM2+1
-	sta	PARAM3+1
-	lda	#3
-	sta	PARAM3
-	jsr	CURMOV
-	pla
-	tay
-	iny
-	bne	@next
-@end:	rts
+        lda     Y1
+        sub     #(YSIZE - 1)
+        sta     PARAM2
+        lda     #3              ; (Move graphics cursor; don't draw)
+        jsr     mymode
+
+        ldy     #0
+@next:  lda     (ptr3),y
+        beq     @end
+        sta     PARAM1
+        lda     #0
+        sta     PARAM2
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        lda     MODE
+        sta     PARAM3
+        tya
+        pha
+        jsr     CHAR
+        lda     #XSIZE
+        sta     PARAM1
+        lda     #0
+        sta     PARAM2
+        sta     PARAM1+1
+        sta     PARAM2+1
+        sta     PARAM3+1
+        lda     #3
+        sta     PARAM3
+        jsr     CURMOV
+        pla
+        tay
+        iny
+        bne     @next
+@end:   rts
diff --git a/libsrc/atmos/tgi_colors.s b/libsrc/atmos/tgi_colors.s
index 4dab483e2..6ef3729b4 100644
--- a/libsrc/atmos/tgi_colors.s
+++ b/libsrc/atmos/tgi_colors.s
@@ -2,7 +2,7 @@
 ; Target-specific black & white values for use by the target-shared TGI kernel
 ;
 
-	.include	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
 
-	.export		tgi_color_black:zp = $00
-	.export		tgi_color_white:zp = $01
+        .export         tgi_color_black:zp = $00
+        .export         tgi_color_white:zp = $01
diff --git a/libsrc/atmos/tgi_stat_stddrv.s b/libsrc/atmos/tgi_stat_stddrv.s
index 89aef440f..7411f6276 100644
--- a/libsrc/atmos/tgi_stat_stddrv.s
+++ b/libsrc/atmos/tgi_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void tgi_static_stddrv[];
 ;
 
-        .export	_tgi_static_stddrv
-        .import	_atmos_240_200_2_tgi
+        .export _tgi_static_stddrv
+        .import _atmos_240_200_2_tgi
 
 .rodata
 
diff --git a/libsrc/atmos/tgi_stddrv.s b/libsrc/atmos/tgi_stddrv.s
index 905380bcd..d5c1a8eba 100644
--- a/libsrc/atmos/tgi_stddrv.s
+++ b/libsrc/atmos/tgi_stddrv.s
@@ -6,8 +6,8 @@
 ; const char tgi_stddrv[];
 ;
 
-        .export	_tgi_stddrv
+        .export _tgi_stddrv
 
 .rodata
 
-_tgi_stddrv:	.asciiz	"atmos-240-200-2.tgi"
+_tgi_stddrv:    .asciiz "atmos-240-200-2.tgi"
diff --git a/libsrc/atmos/toascii.s b/libsrc/atmos/toascii.s
index 606fb0b6b..69e0cf07a 100644
--- a/libsrc/atmos/toascii.s
+++ b/libsrc/atmos/toascii.s
@@ -3,12 +3,12 @@
 ; /* Convert a target-specific character to ASCII. */
 ;
 
-.export	_toascii
+.export _toascii
 
-.proc	_toascii
+.proc   _toascii
 
 ; .X must be zero, on return.
-	ldx	#>0
-	rts
+        ldx     #>0
+        rts
 
 .endproc
diff --git a/libsrc/atmos/wherex.s b/libsrc/atmos/wherex.s
index 649f1adfe..7a2dbadc1 100644
--- a/libsrc/atmos/wherex.s
+++ b/libsrc/atmos/wherex.s
@@ -4,7 +4,7 @@
 ; unsigned char wherex (void);
 ;
 
-  	.export		_wherex
+        .export         _wherex
 
         .include        "atmos.inc"
 
@@ -12,7 +12,7 @@
 
         ldx     #$00
         lda     CURS_X
-  	rts
+        rts
 
 .endproc
 
diff --git a/libsrc/atmos/wherey.s b/libsrc/atmos/wherey.s
index 3a940c581..8a2b3443f 100644
--- a/libsrc/atmos/wherey.s
+++ b/libsrc/atmos/wherey.s
@@ -4,7 +4,7 @@
 ; unsigned char wherey (void);
 ;
 
- 	.export		_wherey
+        .export         _wherey
 
         .include        "atmos.inc"
 
@@ -12,7 +12,7 @@
 
         ldx     #$00
         lda     CURS_Y
-  	rts
+        rts
 
 .endproc
 
diff --git a/libsrc/atmos/write.s b/libsrc/atmos/write.s
index b7129dd1a..c6399f2bf 100644
--- a/libsrc/atmos/write.s
+++ b/libsrc/atmos/write.s
@@ -6,16 +6,16 @@
 ; This function is a hack!
 ;
 
- 	.export		_write
- 	.import		popax
- 	.importzp	ptr1, ptr2, ptr3, tmp1
+        .export         _write
+        .import         popax
+        .importzp       ptr1, ptr2, ptr3, tmp1
 
- 	.include	"atmos.inc"
+        .include        "atmos.inc"
 
 .proc   _write
 
-	sta	ptr3
-       	stx     ptr3+1	     	; save count as result
+        sta     ptr3
+        stx     ptr3+1          ; save count as result
 
         eor     #$FF
         sta     ptr2
@@ -23,32 +23,32 @@
         eor     #$FF
         sta     ptr2+1          ; Remember -count-1
 
-	jsr	popax	     	; get buf
-	sta	ptr1
-	stx	ptr1+1
-	jsr	popax	     	; get fd and discard
-L1:	inc     ptr2
+        jsr     popax           ; get buf
+        sta     ptr1
+        stx     ptr1+1
+        jsr     popax           ; get fd and discard
+L1:     inc     ptr2
         bne     L2
         inc     ptr2+1
         beq     L9
 L2:     ldy     #0
-	lda	(ptr1),y
+        lda     (ptr1),y
         tax
         cpx     #$0A            ; Check for \n
         bne     L3
         jsr     PRINT
         ldx     #$0D
 L3:     jsr     PRINT
-	inc	ptr1
-	bne	L1
-	inc	ptr1+1
+        inc     ptr1
+        bne     L1
+        inc     ptr1+1
         jmp     L1
 
 ; No error, return count
 
-L9:   	lda	ptr3
-    	ldx	ptr3+1
-    	rts
+L9:     lda     ptr3
+        ldx     ptr3+1
+        rts
 
 .endproc
 
diff --git a/libsrc/c128/_scrsize.s b/libsrc/c128/_scrsize.s
index 1f38ea65c..ad01f402c 100644
--- a/libsrc/c128/_scrsize.s
+++ b/libsrc/c128/_scrsize.s
@@ -4,7 +4,7 @@
 ; Screen size variables
 ;
 
-	.export		screensize
+        .export         screensize
 
         .include        "c128.inc"
 
diff --git a/libsrc/c128/break.s b/libsrc/c128/break.s
index 4cb349444..f2f872be8 100644
--- a/libsrc/c128/break.s
+++ b/libsrc/c128/break.s
@@ -5,69 +5,69 @@
 ; void reset_brk (void);
 ;
 
-       	.export	    	_set_brk, _reset_brk
-	.destructor	_reset_brk
-  	.export	    	_brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
-	.importzp	ptr1
+        .export         _set_brk, _reset_brk
+        .destructor     _reset_brk
+        .export         _brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
+        .importzp       ptr1
 
-  	.include    	"c128.inc"
+        .include        "c128.inc"
 
 
 .bss
-_brk_a:	 	.res	1
-_brk_x:	 	.res   	1
-_brk_y:	 	.res   	1
-_brk_sr: 	.res	1
-_brk_pc: 	.res	2
+_brk_a:         .res    1
+_brk_x:         .res    1
+_brk_y:         .res    1
+_brk_sr:        .res    1
+_brk_pc:        .res    2
 
 .data
-uservec:    	jmp 	$FFFF	 	; Patched at runtime
+uservec:        jmp     $FFFF           ; Patched at runtime
 
 .code
 
 
 ; Set the break vector
-.proc	_set_brk
+.proc   _set_brk
 
-	sta	uservec+1
-  	stx	uservec+2     	; Set the user vector
+        sta     uservec+1
+        stx     uservec+2       ; Set the user vector
 
-	lda	brk_old+1
-	ora	brk_old+2      	; Did we save the vector already?
-       	bne    	@L1    	      	; Jump if we installed the handler already
+        lda     brk_old+1
+        ora     brk_old+2       ; Did we save the vector already?
+        bne     @L1             ; Jump if we installed the handler already
 
-	lda	BRKVec		; Save the old vector
- 	sta    	brk_old+1
- 	lda 	BRKVec+1
- 	sta	brk_old+2
+        lda     BRKVec          ; Save the old vector
+        sta     brk_old+1
+        lda     BRKVec+1
+        sta     brk_old+2
 
-   	lda    	#brk_stub
-    	sta	BRKVec
-    	stx    	BRKVec+1
+        lda     #brk_stub
+        sta     BRKVec
+        stx     BRKVec+1
 
-	lda	#brk_handler
-	sta	brk_ind+1
-	stx	brk_ind+2
+        lda     #brk_handler
+        sta     brk_ind+1
+        stx     brk_ind+2
 
-@L1:   	rts
+@L1:    rts
 
 .endproc
 
 
 ; Reset the break vector
-.proc	_reset_brk
-
-    	lda  	brk_old+1
-    	ldx  	brk_old+2
-    	beq  	@L9    		; Jump if vector not installed
-    	sta    	BRKVec
-    	stx  	BRKVec+1
-	lda	#$00
-	sta	brk_old+1	; Clear the saved vector
-	sta	brk_old+2
-@L9:	rts
+.proc   _reset_brk
+
+        lda     brk_old+1
+        ldx     brk_old+2
+        beq     @L9             ; Jump if vector not installed
+        sta     BRKVec
+        stx     BRKVec+1
+        lda     #$00
+        sta     brk_old+1       ; Clear the saved vector
+        sta     brk_old+2
+@L9:    rts
 
 .endproc
 
@@ -75,37 +75,37 @@ uservec:    	jmp 	$FFFF	 	; Patched at runtime
 
 ; Break handler, called if a break occurs
 
-.proc	brk_handler
-
-	pla
-	sta	_brk_y
-	pla
-	sta	_brk_x
-	pla
-	sta	_brk_a
-	pla
-	and	#$EF   	 	; Clear break bit
-	sta	_brk_sr
-	pla	       	 	; PC low
-	sec
-	sbc	#2     	 	; Point to start of brk
-	sta	_brk_pc
-	pla	       	 	; PC high
-	sbc	#0
-	sta	_brk_pc+1
-
-       	jsr    	uservec	 	; Call the user's routine
-
-	lda	_brk_pc+1
-	pha
-	lda	_brk_pc
-	pha
-	lda	_brk_sr
-	pha
-	ldx    	_brk_x
-	ldy	_brk_y
-	lda	_brk_a
-	rti	       		; Jump back...
+.proc   brk_handler
+
+        pla
+        sta     _brk_y
+        pla
+        sta     _brk_x
+        pla
+        sta     _brk_a
+        pla
+        and     #$EF            ; Clear break bit
+        sta     _brk_sr
+        pla                     ; PC low
+        sec
+        sbc     #2              ; Point to start of brk
+        sta     _brk_pc
+        pla                     ; PC high
+        sbc     #0
+        sta     _brk_pc+1
+
+        jsr     uservec         ; Call the user's routine
+
+        lda     _brk_pc+1
+        pha
+        lda     _brk_pc
+        pha
+        lda     _brk_sr
+        pha
+        ldx     _brk_x
+        ldy     _brk_y
+        lda     _brk_a
+        rti                     ; Jump back...
 
 .endproc
 
@@ -115,9 +115,9 @@ uservec:    	jmp 	$FFFF	 	; Patched at runtime
 .segment        "LOWCODE"
 
 .proc   brk_stub
-	pla    	       			; Get original MMU_CR value
-	sta    	MMU_CR 			; And set it
-       	jmp    	brk_ind                 ; Jump indirect to break
+        pla                             ; Get original MMU_CR value
+        sta     MMU_CR                  ; And set it
+        jmp     brk_ind                 ; Jump indirect to break
 .endproc
 
 ; ------------------------------------------------------------------------
diff --git a/libsrc/c128/c64mode.s b/libsrc/c128/c64mode.s
index bc3f9d36c..053e67dfc 100644
--- a/libsrc/c128/c64mode.s
+++ b/libsrc/c128/c64mode.s
@@ -5,8 +5,8 @@
 ; /* Switch the C128 into C64 mode. Note: This function will not return! */
 ;
 
-	.export		_c64mode
+        .export         _c64mode
         .import         C64MODE
 
-       	_c64mode	= C64MODE
+        _c64mode        = C64MODE
 
diff --git a/libsrc/c128/cgetc.s b/libsrc/c128/cgetc.s
index 78e06b1eb..46f13d197 100644
--- a/libsrc/c128/cgetc.s
+++ b/libsrc/c128/cgetc.s
@@ -4,18 +4,18 @@
 ; char cgetc (void);
 ;
 
-	.export		_cgetc
+        .export         _cgetc
         .constructor    initcgetc
         .destructor     donecgetc
 
-	.import		cursor
+        .import         cursor
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 ;--------------------------------------------------------------------------
 
-_cgetc:	lda	KEY_COUNT 	; Get number of characters
-       	bne    	L2	  	; Jump if there are already chars waiting
+_cgetc: lda     KEY_COUNT       ; Get number of characters
+        bne     L2              ; Jump if there are already chars waiting
 
 ; Switch on the cursor if needed. We MUST always switch the cursor on, 
 ; before switching it off, because switching it off will restore the 
@@ -23,50 +23,50 @@ _cgetc:	lda	KEY_COUNT 	; Get number of characters
 ; it off will restore the wrong character attribute.
 
         jsr     CURS_SET        ; Set cursor to current position
-	jsr	CURS_ON
-	lda	cursor
-       	bne     L1
-        lda	#$01
-	jsr	CURS_OFF
-L1:     lda	KEY_COUNT       ; Check characters again
-  	beq    	L1
-	jsr     CURS_OFF        ; Switch cursor off, if characters available
-
-L2:     jsr     KBDREAD		; Read char and return in A
+        jsr     CURS_ON
+        lda     cursor
+        bne     L1
+        lda     #$01
+        jsr     CURS_OFF
+L1:     lda     KEY_COUNT       ; Check characters again
+        beq     L1
+        jsr     CURS_OFF        ; Switch cursor off, if characters available
+
+L2:     jsr     KBDREAD         ; Read char and return in A
         ldx     #0
-	rts
+        rts
 
 ;--------------------------------------------------------------------------
 ; Module constructor/destructor
 
 .bss
-keyvec:	.res	2
+keyvec: .res    2
 
 .segment        "INIT"
 initcgetc:
 
 ; Save the old vector
 
-     	lda	KeyStoreVec
-     	sta	keyvec
-     	lda	KeyStoreVec+1
-     	sta	keyvec+1
+        lda     KeyStoreVec
+        sta     keyvec
+        lda     KeyStoreVec+1
+        sta     keyvec+1
 
 ; Set the new vector. I can only hope that this works for other C128
 ; versions...
 
-     	lda	#<$C6B7
-     	ldx	#>$C6B7
+        lda     #<$C6B7
+        ldx     #>$C6B7
         jmp     SetVec
 
 .code
 donecgetc:
-	lda	keyvec
-	ldx	keyvec+1
-SetVec:	sei
-     	sta	KeyStoreVec
-     	stx	KeyStoreVec+1
-     	cli
-     	rts
+        lda     keyvec
+        ldx     keyvec+1
+SetVec: sei
+        sta     KeyStoreVec
+        stx     KeyStoreVec+1
+        cli
+        rts
 
 
diff --git a/libsrc/c128/clrscr.s b/libsrc/c128/clrscr.s
index 54219b007..2213be0cd 100644
--- a/libsrc/c128/clrscr.s
+++ b/libsrc/c128/clrscr.s
@@ -4,11 +4,11 @@
 ; void clrscr (void);
 ;
 
-	.export		_clrscr
+        .export         _clrscr
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
-_clrscr	= CLRSCR
+_clrscr = CLRSCR
 
 
 
diff --git a/libsrc/c128/color.s b/libsrc/c128/color.s
index 5ee12431b..9e6b8537f 100644
--- a/libsrc/c128/color.s
+++ b/libsrc/c128/color.s
@@ -6,15 +6,15 @@
 ; unsigned char __fastcall__ bordercolor (unsigned char color);
 ;
 
- 	.export		_textcolor, _bgcolor, _bordercolor
+        .export         _textcolor, _bgcolor, _bordercolor
         .import         return0
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
 _textcolor:
-	bit	MODE		; Check 80/40 column mode
-       	bmi     @L1 		; Jump if 80 columns
+        bit     MODE            ; Check 80/40 column mode
+        bmi     @L1             ; Jump if 80 columns
 
 ; 40 column mode
 
@@ -29,7 +29,7 @@ _textcolor:
 @L1:    tax                     ; Move new color to X
         lda     CHARCOLOR       ; Get old color + attributes
         and     #$F0            ; Keep old attributes
-	ora     $CE5C,x		; Translate VIC color -> VDC color
+        ora     $CE5C,x         ; Translate VIC color -> VDC color
         ldx     CHARCOLOR       ; Get the old color
         sta     CHARCOLOR       ; Set the new color + old attributes
         txa                     ; Old color -> A
@@ -39,13 +39,13 @@ _textcolor:
 ; translate vdc->vic colour
 
 vdctovic:
-       	ldy	#16
-@L2:    cmp	$CE5C-1,y
-        beq	@L3
+        ldy     #16
+@L2:    cmp     $CE5C-1,y
+        beq     @L3
         dey
         bne     @L2
-@L3:	tya
-	rts
+@L3:    tya
+        rts
 
 
 _bgcolor:
@@ -54,27 +54,27 @@ _bgcolor:
 
 ; 40 column mode
 
-	ldx	VIC_BG_COLOR0	; get old value
-	sta	VIC_BG_COLOR0	; set new value
-	txa
+        ldx     VIC_BG_COLOR0   ; get old value
+        sta     VIC_BG_COLOR0   ; set new value
+        txa
         ldx     #$00
-	rts
+        rts
 
 ; 80 column mode
 
 @L1:    tax                     ; Move new color to X
-       	lda     $CE5C,x		; Translate VIC color -> VDC color
-	pha
-	ldx	#26
-       	jsr    	$CDDA		; Read vdc register 26
-	jsr	vdctovic
-	tay
-	pla
-	ldx	#26
-       	jsr    	$CDCC		; Write vdc register 26
-	tya
+        lda     $CE5C,x         ; Translate VIC color -> VDC color
+        pha
+        ldx     #26
+        jsr     $CDDA           ; Read vdc register 26
+        jsr     vdctovic
+        tay
+        pla
+        ldx     #26
+        jsr     $CDCC           ; Write vdc register 26
+        tya
         ldx     #$00
-	rts
+        rts
 
 
 _bordercolor:
@@ -83,11 +83,11 @@ _bordercolor:
 
 ; 40 column mode
 
-       	ldx    	VIC_BORDERCOLOR	; get old value
-	sta	VIC_BORDERCOLOR	; set new value
-	txa
+        ldx     VIC_BORDERCOLOR ; get old value
+        sta     VIC_BORDERCOLOR ; set new value
+        txa
         ldx     #$00
-	rts
+        rts
 
 ; 80 column mode
 
diff --git a/libsrc/c128/conio.s b/libsrc/c128/conio.s
index 42df1437a..5193fb807 100644
--- a/libsrc/c128/conio.s
+++ b/libsrc/c128/conio.s
@@ -4,7 +4,7 @@
 ; Low level stuff for screen output/console input
 ;
 
-	.exportzp	CURS_X, CURS_Y
+        .exportzp       CURS_X, CURS_Y
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
diff --git a/libsrc/c128/cputc.s b/libsrc/c128/cputc.s
index 73abdec52..e906c242a 100644
--- a/libsrc/c128/cputc.s
+++ b/libsrc/c128/cputc.s
@@ -6,12 +6,12 @@
 ; void cputc (char c);
 ;
 
-    	.export	     	_cputcxy, _cputc, cputdirect, putchar
-    	.export	     	newline, plot
- 	.import	     	popa, _gotoxy
+        .export         _cputcxy, _cputc, cputdirect, putchar
+        .export         newline, plot
+        .import         popa, _gotoxy
         .import         PLOT
 
- 	.include     	"c128.inc"
+        .include        "c128.inc"
 
 newline         = NEWLINE
 
@@ -20,31 +20,31 @@ newline         = NEWLINE
 .code
 
 _cputcxy:
- 	pha	       		; Save C
- 	jsr	popa   		; Get Y
- 	jsr	_gotoxy		; Set cursor, drop x
- 	pla	       		; Restore C
+        pha                     ; Save C
+        jsr     popa            ; Get Y
+        jsr     _gotoxy         ; Set cursor, drop x
+        pla                     ; Restore C
 
 ; Plot a character - also used as internal function
 
-_cputc: cmp    	#$0A   		; CR?
-       	beq	cr     		; Output a cr
+_cputc: cmp     #$0A            ; CR?
+        beq     cr              ; Output a cr
 
- 	cmp	#$0D   	  	; LF?
-       	bne	L2
-       	jmp     NEWLINE		; Update cursor position
+        cmp     #$0D            ; LF?
+        bne     L2
+        jmp     NEWLINE         ; Update cursor position
 
 ; Printable char of some sort
 
-L2:	cmp	#' '
-       	bcc    	cputdirect      ; Other control char
-    	tay
-    	bmi	L5
-    	cmp	#$60
-    	bcc	L3
-    	and	#$DF
-       	bne    	cputdirect      ; Branch always
-L3: 	and	#$3F
+L2:     cmp     #' '
+        bcc     cputdirect      ; Other control char
+        tay
+        bmi     L5
+        cmp     #$60
+        bcc     L3
+        and     #$DF
+        bne     cputdirect      ; Branch always
+L3:     and     #$3F
 
 ; Output one character to the screen. We will disable scrolling while doing so
 
@@ -62,28 +62,28 @@ cputdirect:
 
 ; Handle character if high bit set
 
-L5:	and	#$7F
-       	cmp    	#$7E  	  	; PI?
-  	bne	L6
-  	lda	#$5E  	  	; Load screen code for PI
-  	bne    	cputdirect
-L6:	ora	#$40
-  	bne	cputdirect      ; Branch always
+L5:     and     #$7F
+        cmp     #$7E            ; PI?
+        bne     L6
+        lda     #$5E            ; Load screen code for PI
+        bne     cputdirect
+L6:     ora     #$40
+        bne     cputdirect      ; Branch always
 
 ; Carriage return
 
-cr:	lda	#0
-    	sta	CURS_X
+cr:     lda     #0
+        sta     CURS_X
 
 ; Set cursor position, calculate RAM pointers
 
-plot:	ldy	CURS_X
-	ldx	CURS_Y
-	clc
-	jmp	PLOT  		; Set the new cursor
+plot:   ldy     CURS_X
+        ldx     CURS_Y
+        clc
+        jmp     PLOT            ; Set the new cursor
 
 ; Write one character to the screen without doing anything else, return X
 ; position in Y
 
-putchar	= $CC2F
+putchar = $CC2F
 
diff --git a/libsrc/c128/crt0.s b/libsrc/c128/crt0.s
index 4315947e1..cd104decd 100644
--- a/libsrc/c128/crt0.s
+++ b/libsrc/c128/crt0.s
@@ -2,119 +2,119 @@
 ; Startup code for cc65 (C128 version)
 ;
 
-	.export		_exit
-	.export		__STARTUP__ : absolute = 1      ; Mark as startup
-	.import		initlib, donelib
-	.import		zerobss
-	.import		push0, callmain
-	.import		RESTOR, BSOUT, CLRCH
-	.import		__RAM_START__, __RAM_SIZE__, __STACKSIZE__
-	.importzp	ST
+        .export         _exit
+        .export         __STARTUP__ : absolute = 1      ; Mark as startup
+        .import         initlib, donelib
+        .import         zerobss
+        .import         push0, callmain
+        .import         RESTOR, BSOUT, CLRCH
+        .import         __RAM_START__, __RAM_SIZE__, __STACKSIZE__
+        .importzp       ST
 
-	.include	"zeropage.inc"
-	.include	"c128.inc"
+        .include        "zeropage.inc"
+        .include        "c128.inc"
 
 
 ; ------------------------------------------------------------------------
 ; Startup code
 
-.segment	"STARTUP"
+.segment        "STARTUP"
 
 Start:
 
 ; Switch to the second charset
 
-	lda	#14
-	jsr	BSOUT
+        lda     #14
+        jsr     BSOUT
 
 ; Before doing anything else, we have to setup our banking configuration.
 ; Otherwise just the lowest 16K are actually RAM. Writing through the ROM
 ; to the underlying RAM works, but it is bad style.
 
-	lda	MMU_CR		; Get current memory configuration...
-	pha			; ...and save it for later
-	lda	#MMU_CFG_CC65	; Bank0 with kernal ROM
-	sta	MMU_CR
+        lda     MMU_CR          ; Get current memory configuration...
+        pha                     ; ...and save it for later
+        lda     #MMU_CFG_CC65   ; Bank0 with kernal ROM
+        sta     MMU_CR
 
 ; Save the zero page locations we need
 
-	ldx	#zpspace-1
-L1:	lda	sp,x
-	sta	zpsave,x
-	dex
-	bpl	L1
+        ldx     #zpspace-1
+L1:     lda     sp,x
+        sta     zpsave,x
+        dex
+        bpl     L1
 
 ; Clear the BSS data
 
-	jsr	zerobss
+        jsr     zerobss
 
 ; Save system stuff and setup the stack
 
-	pla		 	; Get MMU setting
-	sta	mmusave
+        pla                     ; Get MMU setting
+        sta     mmusave
 
-	tsx
-	stx	spsave	 	; Save the system stack pointer
+        tsx
+        stx     spsave          ; Save the system stack pointer
 
-	lda	#<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-	sta	sp
-	lda	#>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-	sta	sp+1		; Set argument stack ptr
+        lda     #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp
+        lda     #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp+1            ; Set argument stack ptr
 
 ; Call module constructors
 
-	jsr	initlib
+        jsr     initlib
 
 ; Set the bank for the file name to our execution bank. We must do this,
 ; *after* calling constructors, because some of them may depend on the
 ; original value of this register.
 
-	lda	#0
-	sta	FNAM_BANK
+        lda     #0
+        sta     FNAM_BANK
 
 ; Push arguments and call main()
 
-	jsr	callmain
+        jsr     callmain
 
 ; Back from main (this is also the _exit entry). Run module destructors
 
-_exit:  pha			; Save the return code on stack
-	jsr	donelib
+_exit:  pha                     ; Save the return code on stack
+        jsr     donelib
 
 ; Copy back the zero page stuff
 
-	ldx	#zpspace-1
-L2:	lda	zpsave,x
-	sta	sp,x
-	dex
-	bpl	L2
+        ldx     #zpspace-1
+L2:     lda     zpsave,x
+        sta     sp,x
+        dex
+        bpl     L2
 
 ; Place the program return code into ST
 
-	pla
-	sta	ST
+        pla
+        sta     ST
 
 ; Reset the stack and the memory configuration
 
-	ldx	spsave
-	txs
-	ldx	mmusave
-	stx	MMU_CR
+        ldx     spsave
+        txs
+        ldx     mmusave
+        stx     MMU_CR
 
 ; Done, return to BASIC
 
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; Data
 
-.segment	"ZPSAVE"
+.segment        "ZPSAVE"
 
-zpsave:	.res	zpspace
+zpsave: .res    zpspace
 
 ; ------------------------------------------------------------------------
 
 .bss
 
-spsave:	.res	1
-mmusave:.res	1
+spsave: .res    1
+mmusave:.res    1
diff --git a/libsrc/c128/dbgbreak.s_ b/libsrc/c128/dbgbreak.s_
index 472d800fe..a99071786 100644
--- a/libsrc/c128/dbgbreak.s_
+++ b/libsrc/c128/dbgbreak.s_
@@ -4,20 +4,20 @@
 ; unsigned DbgSetBreakVec (unsigned Addr);
 ;
 
-    	.export		_DbgSetBreakVec
-	.import		popax, utstax
-	
-	.include	"../cbm/cbm.inc"
+        .export         _DbgSetBreakVec
+        .import         popax, utstax
+        
+        .include        "../cbm/cbm.inc"
 
 _DbgSetBreakVec:
-	jsr	popax		; Get the new address
-	ldy	BRKVec
-	sta	BRKVec
-	lda	BRKVec+1
-	stx	BRKVec+1
-	tax
-	tya
-	jmp	utstax
+        jsr     popax           ; Get the new address
+        ldy     BRKVec
+        sta     BRKVec
+        lda     BRKVec+1
+        stx     BRKVec+1
+        tax
+        tya
+        jmp     utstax
 
 
 
diff --git a/libsrc/c128/devnum.s b/libsrc/c128/devnum.s
index 72007a516..91d0ccc07 100644
--- a/libsrc/c128/devnum.s
+++ b/libsrc/c128/devnum.s
@@ -2,6 +2,6 @@
 ; Oliver Schmidt, 2010-02-14
 ;
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
-	.exportzp	devnum := DEVNUM
+        .exportzp       devnum := DEVNUM
diff --git a/libsrc/c128/emd/c128-georam.s b/libsrc/c128/emd/c128-georam.s
index 23c3469c5..0c106f406 100644
--- a/libsrc/c128/emd/c128-georam.s
+++ b/libsrc/c128/emd/c128-georam.s
@@ -8,9 +8,9 @@
 ; Marco van den Heuvel, 2010-01-21
 ;
 
-	.include 	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include 	"em-kernel.inc"
+        .include        "em-kernel.inc"
         .include        "em-error.inc"
 
 
@@ -25,7 +25,7 @@
 ; Driver signature
 
         .byte   $65, $6d, $64           ; "emd"
-        .byte   EMD_API_VERSION		; EM API version number
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
@@ -62,83 +62,83 @@ pagecount:      .res    2               ; Number of available pages
 ;
 
 INSTALL:
-       	ldx     GR_WINDOW
+        ldx     GR_WINDOW
         cpx     GR_WINDOW
         bne     @notpresent
         inc     GR_WINDOW
-       	cpx     GR_WINDOW
-       	beq     @notpresent
-
-       	lda     #4
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has64k
-       	lda     #8
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has128k
-       	lda     #16
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has256k
-       	lda     #32
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has512k
-       	lda     #64
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has1024k
-       	lda     #128
-       	jsr     check
-       	cpy     GR_WINDOW
-       	beq     @has2048k
-       	ldx     #>16384
+        cpx     GR_WINDOW
+        beq     @notpresent
+
+        lda     #4
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has64k
+        lda     #8
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has128k
+        lda     #16
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has256k
+        lda     #32
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has512k
+        lda     #64
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has1024k
+        lda     #128
+        jsr     check
+        cpy     GR_WINDOW
+        beq     @has2048k
+        ldx     #>16384
         bne     @setok
 
 @has64k:
-       	ldx     #>256
-       	bne     @setok
+        ldx     #>256
+        bne     @setok
 @has128k:
-       	ldx     #>512
-       	bne     @setok
+        ldx     #>512
+        bne     @setok
 @has256k:
-       	ldx     #>1024
-       	bne     @setok
+        ldx     #>1024
+        bne     @setok
 @has512k:
-       	ldx     #>2048
-       	bne     @setok
+        ldx     #>2048
+        bne     @setok
 @has1024k:
-       	ldx     #>4096
-       	bne     @setok
+        ldx     #>4096
+        bne     @setok
 @has2048k:
-       	ldx     #>8192
-       	bne     @setok
+        ldx     #>8192
+        bne     @setok
 
 @notpresent:
-       	lda     #EM_ERR_NO_DEVICE
-	rts
+        lda     #EM_ERR_NO_DEVICE
+        rts
 
 @setok:
-       	lda     #0
-       	sta     pagecount
-       	stx     pagecount+1
-       	lda     #EM_ERR_OK
-	rts
+        lda     #0
+        sta     pagecount
+        stx     pagecount+1
+        lda     #EM_ERR_OK
+        rts
 
 check:
-       	ldx     #0
-       	stx     GR_PAGE_LO
-       	stx     GR_PAGE_HI
-       	ldy     GR_WINDOW
-       	iny
-       	sta     GR_PAGE_HI
-       	sty     GR_WINDOW
-       	ldx     #0
-       	stx     GR_PAGE_HI
-;	rts                     ; Run into UNINSTALL instead
+        ldx     #0
+        stx     GR_PAGE_LO
+        stx     GR_PAGE_HI
+        ldy     GR_WINDOW
+        iny
+        sta     GR_PAGE_HI
+        sty     GR_WINDOW
+        ldx     #0
+        stx     GR_PAGE_HI
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
diff --git a/libsrc/c128/emd/c128-ram.s b/libsrc/c128/emd/c128-ram.s
index 1211c444d..02979a6dc 100644
--- a/libsrc/c128/emd/c128-ram.s
+++ b/libsrc/c128/emd/c128-ram.s
@@ -5,9 +5,9 @@
 ; Ullrich von Bassewitz, 2002-12-04
 ;
 
-	.include  	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include  	"em-kernel.inc"
+        .include        "em-kernel.inc"
         .include        "em-error.inc"
         .include        "c128.inc"
 
@@ -23,7 +23,7 @@
 ; Driver signature
 
         .byte   $65, $6d, $64           ; "emd"
-        .byte   EMD_API_VERSION		; EM API version number
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
@@ -33,15 +33,15 @@
         .word   MAP
         .word   USE
         .word   COMMIT
-	.word	COPYFROM
+        .word   COPYFROM
         .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-BASE	= $400
+BASE    = $400
 TOPMEM  = $FF00
-PAGES  	= (TOPMEM - BASE) / 256
+PAGES   = (TOPMEM - BASE) / 256
 
 ; ------------------------------------------------------------------------
 ; Data.
@@ -96,10 +96,10 @@ MAP:    sta     curpage
         stx     curpage+1               ; Remember the new page
 
         clc
-        adc	#>BASE
-        sta	ptr1+1
-        ldy	#$00
-        sty    	ptr1
+        adc     #>BASE
+        sta     ptr1+1
+        ldy     #$00
+        sty     ptr1
 
         lda     #BASE
-        sta	ptr1+1
-        ldy	#$00
-        sty    	ptr1
+        adc     #>BASE
+        sta     ptr1+1
+        ldy     #$00
+        sty     ptr1
 
         lda     #BASE
-        sta	ptr1+1
-        ldy	#$00
+        adc     #>BASE
+        sta     ptr1+1
+        ldy     #$00
         sty     ptr1
 
         lda     #512
-	bne	@setsize
-@rc64:	ldx	#>256
+        ldx     RAMC_WINDOW
+        cpx     RAMC_WINDOW
+        bne     @notpresent
+
+        lda     #0
+        sta     RAMC_PAGE_LO
+        sta     RAMC_PAGE_HI
+        ldx     RAMC_WINDOW
+        cpx     RAMC_WINDOW
+        bne     @notpresent
+        lda     #2
+        sta     RAMC_WINDOW
+        cmp     RAMC_WINDOW
+        beq     @cont
+        cpx     RAMC_WINDOW
+        beq     @readonly
+@cont:  ldy     #1
+        sty     RAMC_PAGE_HI
+        sty     RAMC_WINDOW
+        dey
+        sty     RAMC_PAGE_HI
+        iny
+        cpy     RAMC_WINDOW
+        beq     @rc64
+        ; we're on rc128
+        ldx     #>512
+        bne     @setsize
+@rc64:  ldx     #>256
 @setsize:
-	lda	#0
-	sta	pagecount
-	stx	pagecount+1
+        lda     #0
+        sta     pagecount
+        stx     pagecount+1
         lda     #EM_ERR_OK
         rts
 @notpresent:
 @readonly:
-	lda	#EM_ERR_NO_DEVICE
-;	rts                             ; Run into UNINSTALL instead
+        lda     #EM_ERR_NO_DEVICE
+;       rts                             ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -134,8 +134,8 @@ USE     = MAP
 ; by the driver.
 ;
 
-MAP:    sta	RAMC_PAGE_LO
-	stx	RAMC_PAGE_HI
+MAP:    sta     RAMC_PAGE_LO
+        stx     RAMC_PAGE_HI
         lda     #RAMC_WINDOW
 
@@ -185,14 +185,14 @@ COPYFROM:
 
 ; Bump page register
 
-@L4:  	inc	tmp1
-	bne	@L5
-	inc	tmp2
-@L5:	lda	tmp1
-	sta	RAMC_PAGE_LO
-	lda	tmp2
-	sta	RAMC_PAGE_HI
-	jmp	@L3
+@L4:    inc     tmp1
+        bne     @L5
+        inc     tmp2
+@L5:    lda     tmp1
+        sta     RAMC_PAGE_LO
+        lda     tmp2
+        sta     RAMC_PAGE_HI
+        jmp     @L3
 
 ; ------------------------------------------------------------------------
 ; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -233,14 +233,14 @@ COPYTO:
 
 ; Bump page register
 
-@L4:  	inc	tmp1
-	bne	@L5
-	inc	tmp2
-@L5:	lda	tmp1
-	sta	RAMC_PAGE_LO
-	lda	tmp2
-	sta	RAMC_PAGE_HI
-	jmp	@L3
+@L4:    inc     tmp1
+        bne     @L5
+        inc     tmp2
+@L5:    lda     tmp1
+        sta     RAMC_PAGE_LO
+        lda     tmp2
+        sta     RAMC_PAGE_HI
+        jmp     @L3
 
 ; ------------------------------------------------------------------------
 ; Helper function for COPYFROM and COPYTO: Store the pointer to the request
diff --git a/libsrc/c128/emd/c128-reu.s b/libsrc/c128/emd/c128-reu.s
index 4f86f6aee..b1a979cb5 100644
--- a/libsrc/c128/emd/c128-reu.s
+++ b/libsrc/c128/emd/c128-reu.s
@@ -5,11 +5,11 @@
 ; Ullrich von Bassewitz, 2002-11-29
 ;
 
-	.include 	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include 	"em-kernel.inc"
+        .include        "em-kernel.inc"
         .include        "em-error.inc"
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
         .macpack        generic
@@ -23,7 +23,7 @@
 ; Driver signature
 
         .byte   $65, $6d, $64           ; "emd"
-        .byte   EMD_API_VERSION		; EM API version number
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
@@ -33,7 +33,7 @@
         .word   MAP
         .word   USE
         .word   COMMIT
-	.word	COPYFROM
+        .word   COPYFROM
         .word   COPYTO
 
 ; ------------------------------------------------------------------------
@@ -61,12 +61,12 @@ curpage:        .res    2               ; Current page number
 
 window:         .res    256             ; Memory "window"
 
-reu_params:     .word 	$0000  		; Host address, lo, hi
-		.word 	$0000		; Exp  address, lo, hi
-                .byte	$00		; Expansion  bank no.
-       	       	.word  	$0000  		; # bytes to move, lo, hi
-       		.byte 	$00    		; Interrupt mask reg.
-       		.byte 	$00    		; Adress control reg.
+reu_params:     .word   $0000           ; Host address, lo, hi
+                .word   $0000           ; Exp  address, lo, hi
+                .byte   $00             ; Expansion  bank no.
+                .word   $0000           ; # bytes to move, lo, hi
+                .byte   $00             ; Interrupt mask reg.
+                .byte   $00             ; Adress control reg.
 
 .code
 
@@ -221,14 +221,14 @@ transfer1:
 ; Transfer subroutine for the REU. Expects command in Y.
 
 transfer:
-        sty    	REU_COMMAND     ; Issue command
+        sty     REU_COMMAND     ; Issue command
 
-        ldy    	MMU_CR		; Save the current MMU settings
-	lda	#MMU_CFG_RAM0  	;
-  	sei          	  	;
-        sta	MMU_CR		; Enable RAM in bank #0
+        ldy     MMU_CR          ; Save the current MMU settings
+        lda     #MMU_CFG_RAM0   ;
+        sei                     ;
+        sta     MMU_CR          ; Enable RAM in bank #0
         lda     REU_TRIGGER     ; Don't change $FF00
-        sta 	REU_TRIGGER     ; Start the transfer...
+        sta     REU_TRIGGER     ; Start the transfer...
 
         sty     MMU_CR          ; Restore the old configuration
         cli
diff --git a/libsrc/c128/emd/c128-vdc.s b/libsrc/c128/emd/c128-vdc.s
index d2b6b9d8b..29dbb4569 100644
--- a/libsrc/c128/emd/c128-vdc.s
+++ b/libsrc/c128/emd/c128-vdc.s
@@ -4,10 +4,10 @@
 ; Maciej 'YTM/Elysium' Witkowiak 
 ; 06,20.12.2002
 
-	.include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include	"em-kernel.inc"
-        .include	"em-error.inc"
+        .include        "em-kernel.inc"
+        .include        "em-error.inc"
 
 
         .macpack        generic
@@ -21,7 +21,7 @@
 ; Driver signature
 
         .byte   $65, $6d, $64           ; "emd"
-        .byte   EMD_API_VERSION		; EM API version number
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
@@ -29,33 +29,33 @@
         .word   DEINSTALL
         .word   PAGECOUNT
         .word   MAP
-	.word	USE
+        .word   USE
         .word   COMMIT
-	.word	COPYFROM
+        .word   COPYFROM
         .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
 
-VDC_ADDR_REG	  = $D600		  ; VDC address
-VDC_DATA_REG	  = $D601		  ; VDC data
+VDC_ADDR_REG      = $D600                 ; VDC address
+VDC_DATA_REG      = $D601                 ; VDC data
 
-VDC_DATA_HI	  = 18			  ; used registers
-VDC_DATA_LO	  = 19
-VDC_CSET	  = 28
-VDC_DATA	  = 31
+VDC_DATA_HI       = 18                    ; used registers
+VDC_DATA_LO       = 19
+VDC_CSET          = 28
+VDC_DATA          = 31
 
 ; ------------------------------------------------------------------------
 ; Data.
 
 .data
 
-pagecount:      .word  64 		   ; $0000-$3fff as 16k default
-curpage:	.word  $ffff		   ; currently mapped-in page (invalid)
+pagecount:      .word  64                  ; $0000-$3fff as 16k default
+curpage:        .word  $ffff               ; currently mapped-in page (invalid)
 
 .bss
 
-window:		.res	256		   ; memory window
+window:         .res    256                ; memory window
 
 .code
 
@@ -67,78 +67,78 @@ window:		.res	256		   ; memory window
 ;
 
 INSTALL:
-	; do test for VDC presence here???
-
-	ldx	#VDC_CSET	; determine size of RAM...
-	jsr	vdcgetreg
-	sta	tmp1
-	ora	#%00010000
-	jsr	vdcputreg	; turn on 64k
-
-	jsr	settestadr1	; save original value of test byte
-	jsr	vdcgetbyte
-	sta	tmp2
-
-	lda	#$55		; write $55 here
-	ldy	#ptr1
-	jsr	test64k		; read it here and there
-	lda	#$aa		; write $aa here
-	ldy	#ptr2
-	jsr	test64k		; read it here and there
-
-	jsr	settestadr1
-	lda	tmp2
-	jsr	vdcputbyte	; restore original value of test byte
-
-	lda	ptr1		; do bytes match?
-	cmp	ptr1+1
-	bne	@have64k
-	lda	ptr2
-	cmp	ptr2+1
-	bne	@have64k
-
-	ldx	#VDC_CSET
-	lda	tmp1
-	jsr	vdcputreg	; restore 16/64k flag
-	jmp	@endok		; and leave default values for 16k
+        ; do test for VDC presence here???
+
+        ldx     #VDC_CSET       ; determine size of RAM...
+        jsr     vdcgetreg
+        sta     tmp1
+        ora     #%00010000
+        jsr     vdcputreg       ; turn on 64k
+
+        jsr     settestadr1     ; save original value of test byte
+        jsr     vdcgetbyte
+        sta     tmp2
+
+        lda     #$55            ; write $55 here
+        ldy     #ptr1
+        jsr     test64k         ; read it here and there
+        lda     #$aa            ; write $aa here
+        ldy     #ptr2
+        jsr     test64k         ; read it here and there
+
+        jsr     settestadr1
+        lda     tmp2
+        jsr     vdcputbyte      ; restore original value of test byte
+
+        lda     ptr1            ; do bytes match?
+        cmp     ptr1+1
+        bne     @have64k
+        lda     ptr2
+        cmp     ptr2+1
+        bne     @have64k
+
+        ldx     #VDC_CSET
+        lda     tmp1
+        jsr     vdcputreg       ; restore 16/64k flag
+        jmp     @endok          ; and leave default values for 16k
 
 @have64k:
-	lda	#<256
-	ldx	#>256
-	sta	pagecount
-	stx	pagecount+1
+        lda     #<256
+        ldx     #>256
+        sta     pagecount
+        stx     pagecount+1
 @endok:
-	lda     #EM_ERR_OK
         rts
 
 test64k:
-	sta	tmp1
-	sty	ptr3
-	lda	#0
-	sta	ptr3+1
-	jsr	settestadr1
-	lda	tmp1
-	jsr	vdcputbyte		; write $55
-	jsr	settestadr1
-	jsr	vdcgetbyte		; read here
-	pha
-	jsr	settestadr2
-	jsr	vdcgetbyte		; and there
-	ldy	#1
-	sta	(ptr3),y
-	pla
-	dey
-	sta	(ptr3),y
-	rts
+        sta     tmp1
+        sty     ptr3
+        lda     #0
+        sta     ptr3+1
+        jsr     settestadr1
+        lda     tmp1
+        jsr     vdcputbyte              ; write $55
+        jsr     settestadr1
+        jsr     vdcgetbyte              ; read here
+        pha
+        jsr     settestadr2
+        jsr     vdcgetbyte              ; and there
+        ldy     #1
+        sta     (ptr3),y
+        pla
+        dey
+        sta     (ptr3),y
+        rts
 
 settestadr1:
-	ldy	#$02			; test page 2 (here)
-	.byte	$2c
+        ldy     #$02                    ; test page 2 (here)
+        .byte   $2c
 settestadr2:
-	ldy	#$42			; or page 64+2 (there)
-	lda	#0
-	jmp	vdcsetsrcaddr
+        ldy     #$42                    ; or page 64+2 (there)
+        lda     #0
+        jmp     vdcsetsrcaddr
 
 ; ------------------------------------------------------------------------
 ; DEINSTALL routine. Is called before the driver is removed from memory.
@@ -146,7 +146,7 @@ settestadr2:
 ;
 
 DEINSTALL:
-    	;on C128 restore font and clear the screen?
+        ;on C128 restore font and clear the screen?
         rts
 
 ; ------------------------------------------------------------------------
@@ -164,42 +164,42 @@ PAGECOUNT:
 ; by the driver.
 ;
 
-MAP:	sta	curpage
-	stx	curpage+1
-	sta	ptr1+1
-	ldy	#0
-	sty	ptr1
+MAP:    sta     curpage
+        stx     curpage+1
+        sta     ptr1+1
+        ldy     #0
+        sty     ptr1
 
-	lda	#window
-	sta	ptr2+1
+        lda     #window
+        sta     ptr2+1
 
-	jsr	transferin
+        jsr     transferin
 
         lda     #window
-	rts
+        rts
 
 ; copy a single page from (ptr1):VDCRAM to (ptr2):RAM
 
 transferin:
-	lda	ptr1
-	ldy	ptr1+1
-	jsr	vdcsetsrcaddr		; set source address in VDC
-	ldy	#0
-	ldx	#VDC_DATA
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	lda	VDC_DATA_REG		; get 2 bytes at a time to speed-up
-	sta	(ptr2),y		; (in fact up to 8 bytes could be fetched with special VDC config)
-	iny
-	lda	VDC_DATA_REG
-	sta	(ptr2),y
-	iny
-	bne	@L0
-	rts
+        lda     ptr1
+        ldy     ptr1+1
+        jsr     vdcsetsrcaddr           ; set source address in VDC
+        ldy     #0
+        ldx     #VDC_DATA
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        lda     VDC_DATA_REG            ; get 2 bytes at a time to speed-up
+        sta     (ptr2),y                ; (in fact up to 8 bytes could be fetched with special VDC config)
+        iny
+        lda     VDC_DATA_REG
+        sta     (ptr2),y
+        iny
+        bne     @L0
+        rts
 
 ; ------------------------------------------------------------------------
 ; USE: Tell the driver that the window is now associated with a given page.
@@ -214,36 +214,36 @@ done:   rts
 ; COMMIT: Commit changes in the memory window to extended storage.
 
 COMMIT:
-	lda	curpage			; jump if no page mapped
-	ldx	curpage+1
-	bmi	done
-	sta	ptr1+1
-	ldy	#0
-	sty	ptr1
-
-	lda	#window
-	sta	ptr2+1
+        lda     curpage                 ; jump if no page mapped
+        ldx     curpage+1
+        bmi     done
+        sta     ptr1+1
+        ldy     #0
+        sty     ptr1
+
+        lda     #window
+        sta     ptr2+1
 
 ; fall through to transferout
 
 ; copy a single page from (ptr2):RAM to (ptr1):VDCRAM
 
 transferout:
-	lda	ptr1
-	ldy	ptr1+1
-	jsr	vdcsetsrcaddr		; set source address in VDC
-	ldy	#0
-	ldx	#VDC_DATA
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	lda	(ptr2),y		; speedup does not work for writing
-	sta	VDC_DATA_REG
-	iny
-	bne	@L0
-	rts
+        lda     ptr1
+        ldy     ptr1+1
+        jsr     vdcsetsrcaddr           ; set source address in VDC
+        ldy     #0
+        ldx     #VDC_DATA
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        lda     (ptr2),y                ; speedup does not work for writing
+        sta     VDC_DATA_REG
+        iny
+        bne     @L0
+        rts
 
 ; ------------------------------------------------------------------------
 ; COPYFROM: Copy from extended into linear memory. A pointer to a structure
@@ -252,8 +252,8 @@ transferout:
 ;
 
 COPYFROM:
-	jsr	setup
-	beq	@L2			; Skip if no full pages
+        jsr     setup
+        beq     @L2                     ; Skip if no full pages
 
 ; Copy full pages
 
@@ -268,18 +268,18 @@ COPYFROM:
 @L2:    ldy     #EM_COPY::COUNT
         lda     (ptr3),y                ; Get bytes in last page
         beq     @L4
-        sta	tmp1
+        sta     tmp1
 
 ; Transfer the bytes in the last page
 
-    	ldy	#0
-@L3:	jsr	vdcgetbyte
-	sta	(ptr2),y
-	iny
-	dec	tmp1
-	lda	tmp1
-	bne	@L3
-@L4:	rts
+        ldy     #0
+@L3:    jsr     vdcgetbyte
+        sta     (ptr2),y
+        iny
+        dec     tmp1
+        lda     tmp1
+        bne     @L3
+@L4:    rts
 
 ; ------------------------------------------------------------------------
 ; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -288,8 +288,8 @@ COPYFROM:
 ;
 
 COPYTO:
-	jsr	setup
-	beq	@L2			; Skip if no full pages
+        jsr     setup
+        beq     @L2                     ; Skip if no full pages
 
 ; Copy full pages
 
@@ -304,52 +304,52 @@ COPYTO:
 @L2:    ldy     #EM_COPY::COUNT
         lda     (ptr3),y                ; Get bytes in last page
         beq     @L4
-        sta	tmp1
+        sta     tmp1
 
 ; Transfer the bytes in the last page
 
-    	ldy	#0
-@L3:	lda	(ptr2),y
-	jsr	vdcputbyte
-	iny
-	dec	tmp1
-	lda	tmp1
-	bne	@L3
-@L4:	rts
+        ldy     #0
+@L3:    lda     (ptr2),y
+        jsr     vdcputbyte
+        iny
+        dec     tmp1
+        lda     tmp1
+        bne     @L3
+@L4:    rts
 
 ;-------------------------------------------------------------------------
 ; Helper functions to handle VDC ram
 ;
 
 vdcsetsrcaddr:
-	ldx	#VDC_DATA_LO
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	sta	VDC_DATA_REG
-	dex
-	tya
-	stx	VDC_ADDR_REG
-	sta	VDC_DATA_REG
-	rts
+        ldx     #VDC_DATA_LO
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        sta     VDC_DATA_REG
+        dex
+        tya
+        stx     VDC_ADDR_REG
+        sta     VDC_DATA_REG
+        rts
 
 vdcgetbyte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 vdcgetreg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	lda	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        lda     VDC_DATA_REG
+        rts
 
 vdcputbyte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 vdcputreg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	sta	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        sta     VDC_DATA_REG
+        rts
 
 ; ------------------------------------------------------------------------
 ; Helper function for COPYFROM and COPYTO: Store the pointer to the request
@@ -357,7 +357,7 @@ vdcputreg:
 ;
 
 setup:
-	sta     ptr3
+        sta     ptr3
         stx     ptr3+1                  ; Save the passed em_copy pointer
 
         ldy     #EM_COPY::OFFS
@@ -374,8 +374,8 @@ setup:
         lda     (ptr3),y
         sta     ptr2+1                  ; To
 
-	ldy     #EM_COPY::COUNT+1
+        ldy     #EM_COPY::COUNT+1
         lda     (ptr3),y                ; Get number of pages
         sta     tmp1
-	rts
+        rts
 
diff --git a/libsrc/c128/fast.s b/libsrc/c128/fast.s
index abb32d2be..9e032f915 100644
--- a/libsrc/c128/fast.s
+++ b/libsrc/c128/fast.s
@@ -7,16 +7,16 @@
 ;  */
 ;
 
-	.export		_fast
+        .export         _fast
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
-.proc	_fast
+.proc   _fast
 
-	lda	#$01
-	sta	VIC_CLK_128
-	rts
+        lda     #$01
+        sta     VIC_CLK_128
+        rts
 
 .endproc
 
diff --git a/libsrc/c128/get_tv.s b/libsrc/c128/get_tv.s
index 084876d11..d85c9a650 100644
--- a/libsrc/c128/get_tv.s
+++ b/libsrc/c128/get_tv.s
@@ -5,7 +5,7 @@
 ; /* Return the video mode the machine is using */
 ;
 
-	.include	"get_tv.inc"
+        .include        "get_tv.inc"
         .include        "c128.inc"
 
 
@@ -14,7 +14,7 @@
 
 .proc   _get_tv
 
-        ldx     #TV::PAL	; Assume PAL
+        ldx     #TV::PAL        ; Assume PAL
         lda     PALFLAG
         bne     pal
         dex                     ; NTSC
diff --git a/libsrc/c128/irq.s b/libsrc/c128/irq.s
index d468eeaaa..aed1f3a25 100644
--- a/libsrc/c128/irq.s
+++ b/libsrc/c128/irq.s
@@ -2,38 +2,38 @@
 ; IRQ handling (C128 version)
 ;
 
-	.export		initirq, doneirq
-	.import		callirq
+        .export         initirq, doneirq
+        .import         callirq
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
-IRQInd	= $2FD		; JMP $0000 - used as indirect IRQ vector
+IRQInd  = $2FD          ; JMP $0000 - used as indirect IRQ vector
 
 ; ------------------------------------------------------------------------
 
-.segment	"INIT"
+.segment        "INIT"
 
 initirq:
-	lda	IRQVec
-	ldx	IRQVec+1
-	sta	IRQInd+1
-	stx	IRQInd+2
-	lda	#IRQStub
-	jmp	setvec
+        lda     IRQVec
+        ldx     IRQVec+1
+        sta     IRQInd+1
+        stx     IRQInd+2
+        lda     #IRQStub
+        jmp     setvec
 
 ; ------------------------------------------------------------------------
 
 .code
 
 doneirq:
-	lda	IRQInd+1
-	ldx	IRQInd+2
-setvec:	sei
-	sta	IRQVec
-	stx	IRQVec+1
-	cli
-	rts
+        lda     IRQInd+1
+        ldx     IRQInd+2
+setvec: sei
+        sta     IRQVec
+        stx     IRQVec+1
+        cli
+        rts
 
 ; ------------------------------------------------------------------------
 ; The C128 has ROM parallel to the RAM starting from $4000. The startup code
@@ -45,15 +45,15 @@ setvec:	sei
 ; placed just above the startup code, so it goes into a RAM area that is
 ; not banked.
 
-.segment	"LOWCODE"
+.segment        "LOWCODE"
 
 IRQStub:
-	cld				; Just to be sure
-	lda	MMU_CR 			; Get old register value
-	pha				; And save on stack
-	lda	#MMU_CFG_CC65		; Bank 0 with kernal ROM
-	sta	MMU_CR
-	jsr	callirq			; Call the functions
-	pla				; Get old register value
-	sta	MMU_CR
-	jmp	IRQInd			; Jump to the saved IRQ vector
+        cld                             ; Just to be sure
+        lda     MMU_CR                  ; Get old register value
+        pha                             ; And save on stack
+        lda     #MMU_CFG_CC65           ; Bank 0 with kernal ROM
+        sta     MMU_CR
+        jsr     callirq                 ; Call the functions
+        pla                             ; Get old register value
+        sta     MMU_CR
+        jmp     IRQInd                  ; Jump to the saved IRQ vector
diff --git a/libsrc/c128/joy/c128-ptvjoy.s b/libsrc/c128/joy/c128-ptvjoy.s
index e101997f1..5763fbe2d 100644
--- a/libsrc/c128/joy/c128-ptvjoy.s
+++ b/libsrc/c128/joy/c128-ptvjoy.s
@@ -61,7 +61,7 @@ JOY_COUNT       = 4             ; Number of joysticks we support
 INSTALL:
         lda     #JOY_ERR_OK
-;	rts                     ; Run into UNINSTALL instead
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -85,18 +85,18 @@ COUNT:
 ; READ: Read a particular joystick passed in A.
 ;
 
-READ:   tax	                ; Joystick number into X
+READ:   tax                     ; Joystick number into X
         bne     joy2
 
 ; Read joystick 1
 
-joy1:   lda	#$7F
+joy1:   lda     #$7F
         sei
-        sta	CIA1_PRA
-        lda	CIA1_PRB
+        sta     CIA1_PRA
+        lda     CIA1_PRB
         cli
-        and	#$1F
-        eor	#$1F
+        and     #$1F
+        eor     #$1F
         rts
 
 ; Read joystick 2
@@ -104,15 +104,15 @@ joy1:   lda	#$7F
 joy2:   dex
         bne     joy3
 
-        lda 	#$E0
-        ldy 	#$FF
+        lda     #$E0
+        ldy     #$FF
         sei
-        sta 	CIA1_DDRA
-        lda 	CIA1_PRA
-        sty 	CIA1_DDRA
+        sta     CIA1_DDRA
+        lda     CIA1_PRA
+        sty     CIA1_DDRA
         cli
-        and 	#$1F
-        eor 	#$1F
+        and     #$1F
+        eor     #$1F
         rts
 
 ; Read joystick 3
diff --git a/libsrc/c128/joy/c128-stdjoy.s b/libsrc/c128/joy/c128-stdjoy.s
index 241e223e7..f86853a81 100644
--- a/libsrc/c128/joy/c128-stdjoy.s
+++ b/libsrc/c128/joy/c128-stdjoy.s
@@ -6,9 +6,9 @@
 ; Ullrich von Bassewitz, 2002-12-21
 ;
 
-	.include 	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include 	"joy-kernel.inc"
+        .include        "joy-kernel.inc"
         .include        "joy-error.inc"
         .include        "c128.inc"
 
@@ -22,8 +22,8 @@
 
 ; Driver signature
 
-        .byte   $6A, $6F, $79		; "joy"
-        .byte   JOY_API_VERSION		; Driver API version number
+        .byte   $6A, $6F, $79           ; "joy"
+        .byte   JOY_API_VERSION         ; Driver API version number
 
 ; Button state masks (8 values)
 
@@ -66,7 +66,7 @@ JOY_COUNT       = 2             ; Number of joysticks we support
 INSTALL:
         lda     #JOY_ERR_OK
-;	rts                     ; Run into UNINSTALL instead
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -90,32 +90,32 @@ COUNT:
 ; READ: Read a particular joystick passed in A.
 ;
 
-READ:   tax			; Joystick number into X
-	bne    	joy2
+READ:   tax                     ; Joystick number into X
+        bne     joy2
 
 ; Read joystick 1
 
-joy1:	lda	#$7F
-     	sei
-     	sta	CIA1_PRA
-     	lda	CIA1_PRB
-     	cli
-     	and	#$1F
-     	eor	#$1F
-     	rts
+joy1:   lda     #$7F
+        sei
+        sta     CIA1_PRA
+        lda     CIA1_PRB
+        cli
+        and     #$1F
+        eor     #$1F
+        rts
 
 ; Read joystick 2
 
-joy2:	ldx	#0
-	lda	#$E0
-	ldy	#$FF
-	sei
-	sta	CIA1_DDRA
-	lda	CIA1_PRA
-	sty	CIA1_DDRA
-	cli
-	and	#$1F
-	eor	#$1F
-	rts
+joy2:   ldx     #0
+        lda     #$E0
+        ldy     #$FF
+        sei
+        sta     CIA1_DDRA
+        lda     CIA1_PRA
+        sty     CIA1_DDRA
+        cli
+        and     #$1F
+        eor     #$1F
+        rts
 
 
diff --git a/libsrc/c128/joy_stat_stddrv.s b/libsrc/c128/joy_stat_stddrv.s
index 6a70a8fd2..d6d695347 100644
--- a/libsrc/c128/joy_stat_stddrv.s
+++ b/libsrc/c128/joy_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void joy_static_stddrv[];
 ;
 
-        .export	_joy_static_stddrv
-        .import	_c128_stdjoy_joy
+        .export _joy_static_stddrv
+        .import _c128_stdjoy_joy
 
 .rodata
 
diff --git a/libsrc/c128/joy_stddrv.s b/libsrc/c128/joy_stddrv.s
index 4cfd4b9a1..acbd0bdfa 100644
--- a/libsrc/c128/joy_stddrv.s
+++ b/libsrc/c128/joy_stddrv.s
@@ -6,9 +6,9 @@
 ; const char joy_stddrv[];
 ;
 
-	.export	_joy_stddrv
+        .export _joy_stddrv
 
 .rodata
 
-_joy_stddrv:	.asciiz	"c128-stdjoy.joy"
+_joy_stddrv:    .asciiz "c128-stdjoy.joy"
 
diff --git a/libsrc/c128/kbhit.s b/libsrc/c128/kbhit.s
index 28ee2d4de..c1bca2416 100644
--- a/libsrc/c128/kbhit.s
+++ b/libsrc/c128/kbhit.s
@@ -4,16 +4,16 @@
 ; unsigned char kbhit (void);
 ;
 
-	.export		_kbhit
+        .export         _kbhit
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
 .proc   _kbhit
 
         ldx     #0              ; High byte of return is always zero
-	lda	KEY_COUNT	; Get number of characters
-;	ora	FKEY_COUNT	; Or with number of chars from function keys
+        lda     KEY_COUNT       ; Get number of characters
+;       ora     FKEY_COUNT      ; Or with number of chars from function keys
         beq     L9
         lda     #1
 L9:     rts
diff --git a/libsrc/c128/kernal.s b/libsrc/c128/kernal.s
index 7a6ff2822..f3b78d00b 100644
--- a/libsrc/c128/kernal.s
+++ b/libsrc/c128/kernal.s
@@ -53,48 +53,48 @@
 ; All functions are available in the kernal jump table
  
 ; Extended jump table
-C64MODE		= $FF4D
-SWAPPER		= $FF5F
+C64MODE         = $FF4D
+SWAPPER         = $FF5F
 SETBNK          = $FF68
 
 ;
-CINT		= $FF81
-IOINIT		= $FF84
-RAMTAS		= $FF87
-RESTOR		= $FF8A
-VECTOR		= $FF8D
-SETMSG		= $FF90
-SECOND		= $FF93
-TKSA		= $FF96
-MEMTOP		= $FF99
-MEMBOT		= $FF9C
-SCNKEY		= $FF9F
-SETTMO		= $FFA2
-ACPTR		= $FFA5
-CIOUT		= $FFA8
-UNTLK		= $FFAB
-UNLSN		= $FFAE
-LISTEN		= $FFB1
-TALK		= $FFB4
-READST		= $FFB7
-SETLFS		= $FFBA
-SETNAM		= $FFBD
-OPEN		= $FFC0
-CLOSE		= $FFC3
-CHKIN		= $FFC6
-CKOUT		= $FFC9
-CLRCH		= $FFCC
-BASIN		= $FFCF
-BSOUT		= $FFD2
-LOAD		= $FFD5
-SAVE		= $FFD8
-SETTIM		= $FFDB
-RDTIM		= $FFDE
-STOP		= $FFE1
-GETIN		= $FFE4
-CLALL		= $FFE7
-UDTIM		= $FFEA
-SCREEN		= $FFED
-PLOT		= $FFF0
-IOBASE		= $FFF3
+CINT            = $FF81
+IOINIT          = $FF84
+RAMTAS          = $FF87
+RESTOR          = $FF8A
+VECTOR          = $FF8D
+SETMSG          = $FF90
+SECOND          = $FF93
+TKSA            = $FF96
+MEMTOP          = $FF99
+MEMBOT          = $FF9C
+SCNKEY          = $FF9F
+SETTMO          = $FFA2
+ACPTR           = $FFA5
+CIOUT           = $FFA8
+UNTLK           = $FFAB
+UNLSN           = $FFAE
+LISTEN          = $FFB1
+TALK            = $FFB4
+READST          = $FFB7
+SETLFS          = $FFBA
+SETNAM          = $FFBD
+OPEN            = $FFC0
+CLOSE           = $FFC3
+CHKIN           = $FFC6
+CKOUT           = $FFC9
+CLRCH           = $FFCC
+BASIN           = $FFCF
+BSOUT           = $FFD2
+LOAD            = $FFD5
+SAVE            = $FFD8
+SETTIM          = $FFDB
+RDTIM           = $FFDE
+STOP            = $FFE1
+GETIN           = $FFE4
+CLALL           = $FFE7
+UDTIM           = $FFEA
+SCREEN          = $FFED
+PLOT            = $FFF0
+IOBASE          = $FFF3
 
diff --git a/libsrc/c128/mainargs.s b/libsrc/c128/mainargs.s
index 3bacd2934..fb5fd1554 100644
--- a/libsrc/c128/mainargs.s
+++ b/libsrc/c128/mainargs.s
@@ -22,15 +22,15 @@
 ; - The "file-name" might be a path-name; don't copy the directory-components.
 ; - Add a control-character quoting mechanism.
 
-	.constructor	initmainargs, 24
-	.import		__argc, __argv
+        .constructor    initmainargs, 24
+        .import         __argc, __argv
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
-MAXARGS	 = 10                   ; Maximum number of arguments allowed
-REM	 = $8f			; BASIC token-code
-NAME_LEN = 16			; maximum length of command-name
+MAXARGS  = 10                   ; Maximum number of arguments allowed
+REM      = $8f                  ; BASIC token-code
+NAME_LEN = 16                   ; maximum length of command-name
 
 
 ; Get possible command-line arguments. Goes into the special INIT segment,
@@ -45,27 +45,27 @@ initmainargs:
 ; Because the buffer, that we're copying into, was zeroed out,
 ; we don't need to add a NUL character.
 ;
-	ldy	FNAM_LEN
-	cpy	#NAME_LEN + 1
-	bcc	L1
-	ldy	#NAME_LEN - 1	; limit the length
+        ldy     FNAM_LEN
+        cpy     #NAME_LEN + 1
+        bcc     L1
+        ldy     #NAME_LEN - 1   ; limit the length
 L0:     lda     #FNAM           ; Load vector address for FETCH routine
         ldx     FNAM_BANK       ; Load bank for FETCH routine
         jsr     INDFET          ; Load byte from (FETVEC),y
-	sta	name,y          ; Save byte from filename
-L1:	dey
-	bpl	L0
-	inc	__argc	   	; argc always is equal to, at least, 1
+        sta     name,y          ; Save byte from filename
+L1:     dey
+        bpl     L0
+        inc     __argc          ; argc always is equal to, at least, 1
 
 ; Find the "rem" token.
 ;
-	ldx	#0
-L2:	lda	BASIC_BUF,x
-       	beq    	done   	       	; no "rem," no args.
-	inx
-	cmp	#REM
-	bne	L2
-	ldy	#1 * 2
+        ldx     #0
+L2:     lda     BASIC_BUF,x
+        beq     done            ; no "rem," no args.
+        inx
+        cmp     #REM
+        bne     L2
+        ldy     #1 * 2
 
 ; Find the next argument
 
@@ -91,11 +91,11 @@ setterm:sta     term            ; Set end of argument marker
 ; necessary.
 
         txa                     ; Get low byte
-	sta	argv,y		; argv[y]= &arg
-	iny
-	lda	#>BASIC_BUF
-	sta	argv,y
-	iny
+        sta     argv,y          ; argv[y]= &arg
+        iny
+        lda     #>BASIC_BUF
+        sta     argv,y
+        iny
         inc     __argc          ; Found another arg
 
 ; Search for the end of the argument
@@ -122,21 +122,21 @@ argloop:lda     BASIC_BUF,x
 
 ; (The last vector in argv[] already is NULL.)
 
-done:	lda	#argv
-	sta	__argv
-	stx	__argv + 1
-	rts
+done:   lda     #argv
+        sta     __argv
+        stx     __argv + 1
+        rts
 
 ; These arrays are zeroed before initmainargs is called.
-; char	name[16+1];
+; char  name[16+1];
 ; char* argv[MAXARGS+1]={name};
 ;
 .bss
-term:	.res	1
-name:	.res	NAME_LEN + 1
+term:   .res    1
+name:   .res    NAME_LEN + 1
 
 .data
 argv:   .addr   name
-        .res   	MAXARGS * 2
+        .res    MAXARGS * 2
 
diff --git a/libsrc/c128/mcbdefault.s b/libsrc/c128/mcbdefault.s
index d5a91f923..cdedf4904 100644
--- a/libsrc/c128/mcbdefault.s
+++ b/libsrc/c128/mcbdefault.s
@@ -64,13 +64,13 @@ VIC_SPR_Y       = (VIC_SPR0_Y + 2*MOUSE_SPR)    ; Sprite Y register
         txa
         adc     #0
         bne     @L1                     ; Branch if high byte not zero
-   	lda	VIC_SPR_HI_X   		; Get high X bits of all sprites
-   	and	#MOUSE_SPR_NMASK        ; Clear high bit for sprite
+        lda     VIC_SPR_HI_X            ; Get high X bits of all sprites
+        and     #MOUSE_SPR_NMASK        ; Clear high bit for sprite
         sta     VIC_SPR_HI_X
         rts
 
-@L1:    lda	VIC_SPR_HI_X   		; Get high X bits of all sprites
-       	ora     #MOUSE_SPR_MASK         ; Set high bit for sprite
+@L1:    lda     VIC_SPR_HI_X            ; Get high X bits of all sprites
+        ora     #MOUSE_SPR_MASK         ; Set high bit for sprite
         sta     VIC_SPR_HI_X
         rts
 
@@ -86,11 +86,11 @@ VIC_SPR_Y       = (VIC_SPR0_Y + 2*MOUSE_SPR)    ; Sprite Y register
         ldx     PALFLAG
         bne     @L1
         adc     #50                     ; FIXME: Should be NTSC, is PAL value
-       	sta    	VIC_SPR_Y               ; Set Y position
+        sta     VIC_SPR_Y               ; Set Y position
         rts
 
 @L1:    adc     #50                     ; Add PAL correction
-       	sta    	VIC_SPR_Y               ; Set Y position
+        sta     VIC_SPR_Y               ; Set Y position
         rts
 
 .endproc
diff --git a/libsrc/c128/mou/c128-1351.s b/libsrc/c128/mou/c128-1351.s
index 999c57090..f7c74d3cb 100644
--- a/libsrc/c128/mou/c128-1351.s
+++ b/libsrc/c128/mou/c128-1351.s
@@ -7,7 +7,7 @@
 
         .include        "zeropage.inc"
         .include        "mouse-kernel.inc"
-	.include	"c128.inc"
+        .include        "c128.inc"
 
         .macpack        generic
 
@@ -64,18 +64,18 @@ SCREEN_WIDTH    = 320
 .bss
 
 Vars:
-OldPotX:   	.res   	1	     	; Old hw counter values
-OldPotY:	.res   	1
+OldPotX:        .res    1               ; Old hw counter values
+OldPotY:        .res    1
 
 YPos:           .res    2               ; Current mouse position, Y
 XPos:           .res    2               ; Current mouse position, X
-XMin:		.res	2	     	; X1 value of bounding box
-YMin:		.res	2	     	; Y1 value of bounding box
-XMax:		.res	2	     	; X2 value of bounding box
-YMax:		.res	2	     	; Y2 value of bounding box
+XMin:           .res    2               ; X1 value of bounding box
+YMin:           .res    2               ; Y1 value of bounding box
+XMax:           .res    2               ; X2 value of bounding box
+YMax:           .res    2               ; Y2 value of bounding box
 
-OldValue:	.res   	1	     	; Temp for MoveCheck routine
-NewValue:	.res   	1	     	; Temp for MoveCheck routine
+OldValue:       .res    1               ; Temp for MoveCheck routine
+NewValue:       .res    1               ; Temp for MoveCheck routine
 
 ; Default values for above variables
 
@@ -177,7 +177,7 @@ SETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; GETBOX: Return the mouse bounding box. The parameters are passed as they
@@ -195,7 +195,7 @@ GETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; MOVE: Move the mouse to a new position. The position is passed as it comes
@@ -219,47 +219,47 @@ MOVE:   sei                             ; No interrupts
         lda     (sp),y
         sta     XPos                    ; New X position
 
-        jsr     CMOVEX			; Move the cursor
+        jsr     CMOVEX                  ; Move the cursor
 
-	cli                             ; Allow interrupts
-       	rts
+        cli                             ; Allow interrupts
+        rts
 
 ;----------------------------------------------------------------------------
 ; BUTTONS: Return the button mask in a/x.
 
 BUTTONS:
-        lda	#$7F
-     	sei
-     	sta	CIA1_PRA
-     	lda	CIA1_PRB                ; Read joystick #0
-     	cli
+        lda     #$7F
+        sei
+        sta     CIA1_PRA
+        lda     CIA1_PRB                ; Read joystick #0
+        cli
         ldx     #0
-     	and	#$1F
-     	eor	#$1F
+        and     #$1F
+        eor     #$1F
         rts
 
 ;----------------------------------------------------------------------------
 ; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
 ; No return code required.
 
-POS:    ldy    	#MOUSE_POS::XCOORD      ; Structure offset
+POS:    ldy     #MOUSE_POS::XCOORD      ; Structure offset
 
-	sei	    			; Disable interrupts
-	lda     XPos			; Transfer the position
-	sta	(ptr1),y
-	lda	XPos+1
-	iny
-	sta	(ptr1),y
-      	lda	YPos
+        sei                             ; Disable interrupts
+        lda     XPos                    ; Transfer the position
+        sta     (ptr1),y
+        lda     XPos+1
         iny
         sta     (ptr1),y
-	lda	YPos+1
-	cli	    			; Enable interrupts
+        lda     YPos
+        iny
+        sta     (ptr1),y
+        lda     YPos+1
+        cli                             ; Enable interrupts
 
         iny
         sta     (ptr1),y                ; Store last byte
 
-    	rts	    			; Done
+        rts                             ; Done
 
 ;----------------------------------------------------------------------------
 ; INFO: Returns mouse position and current button mask in the MOUSE_INFO
@@ -270,15 +270,15 @@ POS:    ldy    	#MOUSE_POS::XCOORD      ; Structure offset
 ; call _mouse_pos to initialize the struct pointer and fill the position
 ; fields.
 
-INFO:   jsr	POS
+INFO:   jsr     POS
 
 ; Fill in the button state
 
-    	jsr     BUTTONS                 ; Will not touch ptr1
-    	ldy	#MOUSE_INFO::BUTTONS
-    	sta	(ptr1),y
+        jsr     BUTTONS                 ; Will not touch ptr1
+        ldy     #MOUSE_INFO::BUTTONS
+        sta     (ptr1),y
 
-      	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
@@ -297,10 +297,10 @@ IOCTL:  lda     # a/y)
 
-       	add	XPos
-      	tay	      			; Remember low byte
-      	txa
-      	adc	XPos+1
-    	tax
+        add     XPos
+        tay                             ; Remember low byte
+        txa
+        adc     XPos+1
+        tax
 
 ; Limit the X coordinate to the bounding box
 
-   	cpy	XMin
-   	sbc	XMin+1
-   	bpl	@L1
-       	ldy    	XMin
-       	ldx	XMin+1
-    	jmp	@L2
-@L1:	txa
-
-    	cpy	XMax
-    	sbc	XMax+1
-    	bmi	@L2
-    	ldy	XMax
-    	ldx	XMax+1
-@L2:	sty	XPos
-   	stx	XPos+1
+        cpy     XMin
+        sbc     XMin+1
+        bpl     @L1
+        ldy     XMin
+        ldx     XMin+1
+        jmp     @L2
+@L1:    txa
+
+        cpy     XMax
+        sbc     XMax+1
+        bmi     @L2
+        ldy     XMax
+        ldx     XMax+1
+@L2:    sty     XPos
+        stx     XPos+1
 
 ; Move the mouse pointer to the new X pos
 
@@ -339,10 +339,10 @@ IRQ:    lda	SID_ADConv1		; Get mouse X movement
 
 ; Calculate the Y movement vector
 
-@SkipX: lda	SID_ADConv2	 	; Get mouse Y movement
- 	ldy	OldPotY
- 	jsr	MoveCheck	 	; Calculate movement
- 	sty	OldPotY
+@SkipX: lda     SID_ADConv2             ; Get mouse Y movement
+        ldy     OldPotY
+        jsr     MoveCheck               ; Calculate movement
+        sty     OldPotY
 
 ; Skip processing if nothing has changed
 
@@ -350,32 +350,32 @@ IRQ:    lda	SID_ADConv1		; Get mouse X movement
 
 ; Calculate the new Y coordinate (--> a/y)
 
-      	sta	OldValue
-      	lda	YPos
-      	sub	OldValue
-      	tay
-      	stx	OldValue
-      	lda	YPos+1
-      	sbc	OldValue
-      	tax
+        sta     OldValue
+        lda     YPos
+        sub     OldValue
+        tay
+        stx     OldValue
+        lda     YPos+1
+        sbc     OldValue
+        tax
 
 ; Limit the Y coordinate to the bounding box
 
-   	cpy	YMin
- 	sbc	YMin+1
- 	bpl	@L3
-       	ldy    	YMin
-       	ldx	YMin+1
-    	jmp	@L4
-@L3:	txa
-
-    	cpy	YMax
-    	sbc	YMax+1
-    	bmi	@L4
-    	ldy	YMax
-    	ldx	YMax+1
-@L4:	sty	YPos
- 	stx	YPos+1
+        cpy     YMin
+        sbc     YMin+1
+        bpl     @L3
+        ldy     YMin
+        ldx     YMin+1
+        jmp     @L4
+@L3:    txa
+
+        cpy     YMax
+        sbc     YMax+1
+        bmi     @L4
+        ldy     YMax
+        ldx     YMax+1
+@L4:    sty     YPos
+        stx     YPos+1
 
 ; Move the mouse pointer to the new X pos
 
@@ -391,38 +391,38 @@ IRQ:    lda	SID_ADConv1		; Get mouse X movement
 ;
 ; Move check routine, called for both coordinates.
 ;
-; Entry:   	y = old value of pot register
-;     	   	a = current value of pot register
-; Exit:	   	y = value to use for old value
-;     	   	x/a = delta value for position
+; Entry:        y = old value of pot register
+;               a = current value of pot register
+; Exit:         y = value to use for old value
+;               x/a = delta value for position
 ;
 
 MoveCheck:
-      	sty	OldValue
-      	sta	NewValue
-      	ldx 	#$00
-
-      	sub	OldValue	   	; a = mod64 (new - old)
-      	and	#%01111111
-      	cmp	#%01000000	   	; if (a > 0)
-      	bcs	@L1 		   	;
-      	lsr	a   		   	;   a /= 2;
-      	beq	@L2 		   	;   if (a != 0)
-      	ldy   	NewValue     	   	;     y = NewValue
+        sty     OldValue
+        sta     NewValue
+        ldx     #$00
+
+        sub     OldValue                ; a = mod64 (new - old)
+        and     #%01111111
+        cmp     #%01000000              ; if (a > 0)
+        bcs     @L1                     ;
+        lsr     a                       ;   a /= 2;
+        beq     @L2                     ;   if (a != 0)
+        ldy     NewValue                ;     y = NewValue
+        sec
+        rts                             ;   return
+
+@L1:    ora     #%11000000              ; else or in high order bits
+        cmp     #$FF                    ; if (a != -1)
+        beq     @L2
         sec
-      	rts   	    		   	;   return
-
-@L1:  	ora   	#%11000000	   	; else or in high order bits
-      	cmp   	#$FF		   	; if (a != -1)
-      	beq   	@L2
-      	sec
-      	ror   	a   		   	;   a /= 2
-       	dex			   	;   high byte = -1 (X = $FF)
-      	ldy   	NewValue
+        ror     a                       ;   a /= 2
+        dex                             ;   high byte = -1 (X = $FF)
+        ldy     NewValue
         sec
-      	rts
+        rts
 
-@L2:   	txa			   	; A = $00
+@L2:    txa                             ; A = $00
         clc
-      	rts
+        rts
 
diff --git a/libsrc/c128/mou/c128-joy.s b/libsrc/c128/mou/c128-joy.s
index 0cceaa7f1..3ac7b5ee3 100644
--- a/libsrc/c128/mou/c128-joy.s
+++ b/libsrc/c128/mou/c128-joy.s
@@ -6,7 +6,7 @@
 
         .include        "zeropage.inc"
         .include        "mouse-kernel.inc"
-	.include	"c128.inc"
+        .include        "c128.inc"
 
         .macpack        generic
 
@@ -73,11 +73,11 @@ SCREEN_WIDTH    = 320
 Vars:
 YPos:           .res    2               ; Current mouse position, Y
 XPos:           .res    2               ; Current mouse position, X
-XMin:		.res  	2	     	; X1 value of bounding box
-YMin:		.res  	2	     	; Y1 value of bounding box
-XMax:		.res  	2	     	; X2 value of bounding box
-YMax:		.res  	2	     	; Y2 value of bounding box
-Buttons:	.res  	1		; Button mask
+XMin:           .res    2               ; X1 value of bounding box
+YMin:           .res    2               ; Y1 value of bounding box
+XMax:           .res    2               ; X2 value of bounding box
+YMax:           .res    2               ; Y2 value of bounding box
+Buttons:        .res    1               ; Button mask
 
 ; Temporary value used in the int handler
 
@@ -94,7 +94,7 @@ Temp:           .res    1
         .word   0                       ; YMin
         .word   SCREEN_WIDTH            ; XMax
         .word   SCREEN_HEIGHT           ; YMax
-	.byte	0			; Buttons
+        .byte   0                       ; Buttons
 .endproc
 
 .code
@@ -183,7 +183,7 @@ SETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; GETBOX: Return the mouse bounding box. The parameters are passed as they
@@ -201,7 +201,7 @@ GETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; MOVE: Move the mouse to a new position. The position is passed as it comes
@@ -225,41 +225,41 @@ MOVE:   sei                             ; No interrupts
         lda     (sp),y
         sta     XPos                    ; New X position
 
-        jsr     CMOVEX			; Move the cursor
+        jsr     CMOVEX                  ; Move the cursor
 
-	cli                             ; Allow interrupts
-       	rts
+        cli                             ; Allow interrupts
+        rts
 
 ;----------------------------------------------------------------------------
 ; BUTTONS: Return the button mask in a/x.
 
 BUTTONS:
-	lda	Buttons
-	ldx	#$00
-	rts
+        lda     Buttons
+        ldx     #$00
+        rts
 
 ;----------------------------------------------------------------------------
 ; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
 ; No return code required.
 
-POS:    ldy    	#MOUSE_POS::XCOORD      ; Structure offset
+POS:    ldy     #MOUSE_POS::XCOORD      ; Structure offset
 
-	sei	    			; Disable interrupts
-	lda     XPos			; Transfer the position
-	sta	(ptr1),y
-	lda	XPos+1
-	iny
-	sta	(ptr1),y
-      	lda	YPos
+        sei                             ; Disable interrupts
+        lda     XPos                    ; Transfer the position
+        sta     (ptr1),y
+        lda     XPos+1
         iny
         sta     (ptr1),y
-	lda	YPos+1
-	cli	    			; Enable interrupts
+        lda     YPos
+        iny
+        sta     (ptr1),y
+        lda     YPos+1
+        cli                             ; Enable interrupts
 
         iny
         sta     (ptr1),y                ; Store last byte
 
-    	rts	    			; Done
+        rts                             ; Done
 
 ;----------------------------------------------------------------------------
 ; INFO: Returns mouse position and current button mask in the MOUSE_INFO
@@ -270,15 +270,15 @@ POS:    ldy    	#MOUSE_POS::XCOORD      ; Structure offset
 ; call _mouse_pos to initialize the struct pointer and fill the position
 ; fields.
 
-INFO:   jsr	POS
+INFO:   jsr     POS
 
 ; Fill in the button state
 
-       	lda	Buttons
-    	ldy	#MOUSE_INFO::BUTTONS
-    	sta	(ptr1),y
+        lda     Buttons
+        ldy     #MOUSE_INFO::BUTTONS
+        sta     (ptr1),y
 
-      	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
@@ -297,11 +297,11 @@ IOCTL:  lda     # a/y)
 
 @AddX:  add     XPos
-      	tay	      			; Remember low byte
-      	txa
-      	adc	XPos+1
-    	tax
+        tay                             ; Remember low byte
+        txa
+        adc     XPos+1
+        tax
 
 ; Limit the X coordinate to the bounding box
 
-   	cpy	XMin
-   	sbc	XMin+1
-   	bpl	@L1
-       	ldy    	XMin
-       	ldx	XMin+1
-    	jmp	@L2
-@L1:	txa
-
-    	cpy	XMax
-    	sbc	XMax+1
-    	bmi	@L2
-    	ldy	XMax
-    	ldx	XMax+1
-@L2:	sty	XPos
-   	stx	XPos+1
+        cpy     XMin
+        sbc     XMin+1
+        bpl     @L1
+        ldy     XMin
+        ldx     XMin+1
+        jmp     @L2
+@L1:    txa
+
+        cpy     XMax
+        sbc     XMax+1
+        bmi     @L2
+        ldy     XMax
+        ldx     XMax+1
+@L2:    sty     XPos
+        stx     XPos+1
 
 ; Move the mouse pointer to the new X pos
 
@@ -363,45 +363,45 @@ IRQ:	lda	#$7F
 ; Calculate the Y movement vector
 
 @SkipX: lda     Temp                    ; Read joystick #0
-       	and    	#(JOY::UP | JOY::DOWN)  ; Check up/down
-        beq     @SkipY		 	;
+        and     #(JOY::UP | JOY::DOWN)  ; Check up/down
+        beq     @SkipY                  ;
 
 ; We will cheat here and rely on the fact that either the up, OR the down
 ; bit can be active
 
-       	lsr     a                       ; Check UP bit
-       	bcc	@Down
-      	lda	#$FF
-      	tax
-      	bne	@AddY
-@Down:	lda	#$01
-    	ldx	#$00
+        lsr     a                       ; Check UP bit
+        bcc     @Down
+        lda     #$FF
+        tax
+        bne     @AddY
+@Down:  lda     #$01
+        ldx     #$00
 
 ; Calculate the new Y coordinate (--> a/y)
 
-@AddY: 	add    	YPos
-      	tay	      			; Remember low byte
-      	txa
-      	adc	YPos+1
-    	tax
+@AddY:  add     YPos
+        tay                             ; Remember low byte
+        txa
+        adc     YPos+1
+        tax
 
 ; Limit the Y coordinate to the bounding box
 
-   	cpy	YMin
- 	sbc	YMin+1
- 	bpl	@L3
-       	ldy    	YMin
-       	ldx	YMin+1
-    	jmp	@L4
-@L3:	txa
-
-    	cpy	YMax
-    	sbc	YMax+1
-    	bmi	@L4
-    	ldy	YMax
-    	ldx	YMax+1
-@L4:	sty	YPos
- 	stx	YPos+1
+        cpy     YMin
+        sbc     YMin+1
+        bpl     @L3
+        ldy     YMin
+        ldx     YMin+1
+        jmp     @L4
+@L3:    txa
+
+        cpy     YMax
+        sbc     YMax+1
+        bmi     @L4
+        ldy     YMax
+        ldx     YMax+1
+@L4:    sty     YPos
+        stx     YPos+1
 
 ; Move the mouse pointer to the new X pos
 
diff --git a/libsrc/c128/mou/c128-pot.s b/libsrc/c128/mou/c128-pot.s
index c6f7a1f86..2713e3f4f 100644
--- a/libsrc/c128/mou/c128-pot.s
+++ b/libsrc/c128/mou/c128-pot.s
@@ -5,59 +5,59 @@
 ; Stefan Haubenthal, 2006-08-20
 ;
 
-	.include	"zeropage.inc"
-	.include	"mouse-kernel.inc"
-	.include	"c128.inc"
+        .include        "zeropage.inc"
+        .include        "mouse-kernel.inc"
+        .include        "c128.inc"
 
-	.macpack	generic
+        .macpack        generic
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table
 
-.segment	"JUMPTABLE"
+.segment        "JUMPTABLE"
 
 HEADER:
 
 ; Driver signature
 
-	.byte	$6d, $6f, $75		; "mou"
-	.byte	MOUSE_API_VERSION	; Mouse driver API version number
+        .byte   $6d, $6f, $75           ; "mou"
+        .byte   MOUSE_API_VERSION       ; Mouse driver API version number
 
 ; Jump table.
 
-	.addr	INSTALL
-	.addr	UNINSTALL
-	.addr	HIDE
-	.addr	SHOW
-	.addr	SETBOX
+        .addr   INSTALL
+        .addr   UNINSTALL
+        .addr   HIDE
+        .addr   SHOW
+        .addr   SETBOX
         .addr   GETBOX
-	.addr	MOVE
-	.addr	BUTTONS
-	.addr	POS
-	.addr	INFO
-	.addr	IOCTL
-	.addr	IRQ
+        .addr   MOVE
+        .addr   BUTTONS
+        .addr   POS
+        .addr   INFO
+        .addr   IOCTL
+        .addr   IRQ
 
 ; Callback table, set by the kernel before INSTALL is called
 
-CHIDE:	jmp	$0000			; Hide the cursor
-CSHOW:	jmp	$0000			; Show the cursor
-CMOVEX: jmp	$0000			; Move the cursor to X coord
-CMOVEY: jmp	$0000			; Move the cursor to Y coord
+CHIDE:  jmp     $0000                   ; Hide the cursor
+CSHOW:  jmp     $0000                   ; Show the cursor
+CMOVEX: jmp     $0000                   ; Move the cursor to X coord
+CMOVEY: jmp     $0000                   ; Move the cursor to Y coord
 
 
 ;----------------------------------------------------------------------------
 ; Constants
 
-SCREEN_HEIGHT	= 200
-SCREEN_WIDTH	= 320
+SCREEN_HEIGHT   = 200
+SCREEN_WIDTH    = 320
 
-.enum	JOY
-	UP	= $01
-	DOWN	= $02
-	LEFT	= $04
-	RIGHT	= $08
-	FIRE	= $10
+.enum   JOY
+        UP      = $01
+        DOWN    = $02
+        LEFT    = $04
+        RIGHT   = $08
+        FIRE    = $10
 .endenum
 
 ;----------------------------------------------------------------------------
@@ -68,30 +68,30 @@ SCREEN_WIDTH	= 320
 .bss
 
 Vars:
-YPos:		.res	2		; Current mouse position, Y
-XPos:		.res	2		; Current mouse position, X
-XMin:		.res	2		; X1 value of bounding box
-YMin:		.res	2		; Y1 value of bounding box
-XMax:		.res	2		; X2 value of bounding box
-YMax:		.res	2		; Y2 value of bounding box
-Buttons:	.res	1		; Button mask
+YPos:           .res    2               ; Current mouse position, Y
+XPos:           .res    2               ; Current mouse position, X
+XMin:           .res    2               ; X1 value of bounding box
+YMin:           .res    2               ; Y1 value of bounding box
+XMax:           .res    2               ; X2 value of bounding box
+YMax:           .res    2               ; Y2 value of bounding box
+Buttons:        .res    1               ; Button mask
 
 ; Temporary value used in the int handler
 
-Temp:		.res	1
+Temp:           .res    1
 
 ; Default values for above variables
 
 .rodata
 
-.proc	DefVars
-	.word	SCREEN_HEIGHT/2		; YPos
-	.word	SCREEN_WIDTH/2		; XPos
-	.word	0			; XMin
-	.word	0			; YMin
-	.word	SCREEN_WIDTH		; XMax
-	.word	SCREEN_HEIGHT		; YMax
-	.byte	0			; Buttons
+.proc   DefVars
+        .word   SCREEN_HEIGHT/2         ; YPos
+        .word   SCREEN_WIDTH/2          ; XPos
+        .word   0                       ; XMin
+        .word   0                       ; YMin
+        .word   SCREEN_WIDTH            ; XMax
+        .word   SCREEN_HEIGHT           ; YMax
+        .byte   0                       ; Buttons
 .endproc
 
 .code
@@ -105,37 +105,37 @@ INSTALL:
 
 ; Initialize variables. Just copy the default stuff over
 
-	ldx	#.sizeof(DefVars)-1
-@L1:	lda	DefVars,x
-	sta	Vars,x
-	dex
-	bpl	@L1
+        ldx     #.sizeof(DefVars)-1
+@L1:    lda     DefVars,x
+        sta     Vars,x
+        dex
+        bpl     @L1
 
 ; Be sure the mouse cursor is invisible and at the default location. We
 ; need to do that here, because our mouse interrupt handler doesn't set the
 ; mouse position if it hasn't changed.
 
-	sei
-	jsr	CHIDE
-	lda	XPos
-	ldx	XPos+1
-	jsr	CMOVEX
-	lda	YPos
-	ldx	YPos+1
-	jsr	CMOVEY
-	cli
+        sei
+        jsr     CHIDE
+        lda     XPos
+        ldx     XPos+1
+        jsr     CMOVEX
+        lda     YPos
+        ldx     YPos+1
+        jsr     CMOVEY
+        cli
 
 ; Done, return zero (= MOUSE_ERR_OK)
 
-	ldx	#$00
-	txa
-	rts
+        ldx     #$00
+        txa
+        rts
 
 ;----------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
 ; No return code required (the driver is removed from memory on return).
 
-UNINSTALL	= HIDE			; Hide cursor on exit
+UNINSTALL       = HIDE                  ; Hide cursor on exit
 
 ;----------------------------------------------------------------------------
 ; HIDE routine. Is called to hide the mouse pointer. The mouse kernel manages
@@ -144,10 +144,10 @@ UNINSTALL	= HIDE			; Hide cursor on exit
 ; no special action is required besides hiding the mouse cursor.
 ; No return code required.
 
-HIDE:	sei
-	jsr	CHIDE
-	cli
-	rts
+HIDE:   sei
+        jsr     CHIDE
+        cli
+        rts
 
 ;----------------------------------------------------------------------------
 ; SHOW routine. Is called to show the mouse pointer. The mouse kernel manages
@@ -156,10 +156,10 @@ HIDE:	sei
 ; no special action is required besides enabling the mouse cursor.
 ; No return code required.
 
-SHOW:	sei
-	jsr	CSHOW
-	cli
-	rts
+SHOW:   sei
+        jsr     CSHOW
+        cli
+        rts
 
 ;----------------------------------------------------------------------------
 ; SETBOX: Set the mouse bounding box. The parameters are passed as they come
@@ -180,7 +180,7 @@ SETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; GETBOX: Return the mouse bounding box. The parameters are passed as they
@@ -198,7 +198,7 @@ GETBOX: sta     ptr1
         bpl     @L1
 
         cli
-       	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; MOVE: Move the mouse to a new position. The position is passed as it comes
@@ -208,55 +208,55 @@ GETBOX: sta     ptr1
 ; the screen). No return code required.
 ;
 
-MOVE:	sei				; No interrupts
+MOVE:   sei                             ; No interrupts
 
-	sta	YPos
-	stx	YPos+1			; New Y position
-	jsr	CMOVEY			; Set it
+        sta     YPos
+        stx     YPos+1                  ; New Y position
+        jsr     CMOVEY                  ; Set it
 
-	ldy	#$01
-	lda	(sp),y
-	sta	XPos+1
-	tax
-	dey
-	lda	(sp),y
-	sta	XPos			; New X position
+        ldy     #$01
+        lda     (sp),y
+        sta     XPos+1
+        tax
+        dey
+        lda     (sp),y
+        sta     XPos                    ; New X position
 
-	jsr	CMOVEX			; Move the cursor
+        jsr     CMOVEX                  ; Move the cursor
 
-	cli				; Allow interrupts
-	rts
+        cli                             ; Allow interrupts
+        rts
 
 ;----------------------------------------------------------------------------
 ; BUTTONS: Return the button mask in a/x.
 
 BUTTONS:
-	lda	Buttons
-	ldx	#$00
-	rts
+        lda     Buttons
+        ldx     #$00
+        rts
 
 ;----------------------------------------------------------------------------
 ; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
 ; No return code required.
 
-POS:	ldy	#MOUSE_POS::XCOORD	; Structure offset
+POS:    ldy     #MOUSE_POS::XCOORD      ; Structure offset
 
-	sei				; Disable interrupts
-	lda	XPos			; Transfer the position
-	sta	(ptr1),y
-	lda	XPos+1
-	iny
-	sta	(ptr1),y
-	lda	YPos
-	iny
-	sta	(ptr1),y
-	lda	YPos+1
-	cli				; Enable interrupts
+        sei                             ; Disable interrupts
+        lda     XPos                    ; Transfer the position
+        sta     (ptr1),y
+        lda     XPos+1
+        iny
+        sta     (ptr1),y
+        lda     YPos
+        iny
+        sta     (ptr1),y
+        lda     YPos+1
+        cli                             ; Enable interrupts
 
-	iny
-	sta	(ptr1),y		; Store last byte
+        iny
+        sta     (ptr1),y                ; Store last byte
 
-	rts				; Done
+        rts                             ; Done
 
 ;----------------------------------------------------------------------------
 ; INFO: Returns mouse position and current button mask in the MOUSE_INFO
@@ -267,15 +267,15 @@ POS:	ldy	#MOUSE_POS::XCOORD	; Structure offset
 ; call _mouse_pos to initialize the struct pointer and fill the position
 ; fields.
 
-INFO:	jsr	POS
+INFO:   jsr     POS
 
 ; Fill in the button state
 
-	lda	Buttons
-	ldy	#MOUSE_INFO::BUTTONS
-	sta	(ptr1),y
+        lda     Buttons
+        ldy     #MOUSE_INFO::BUTTONS
+        sta     (ptr1),y
 
-	rts
+        rts
 
 ;----------------------------------------------------------------------------
 ; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
@@ -283,108 +283,108 @@ INFO:	jsr	POS
 ; Must return an error code in a/x.
 ;
 
-IOCTL:	lda	#MOUSE_ERR_INV_IOCTL
-	rts
+IOCTL:  lda     #MOUSE_ERR_INV_IOCTL
+        rts
 
 ;----------------------------------------------------------------------------
 ; IRQ: Irq handler entry point. Called as a subroutine but in IRQ context
 ; (so be careful).
 ;
 
-IRQ:	lda	#$7F
-	sta	CIA1_PRA
-	lda	CIA1_PRB		; Read port #1
-	and	#%00001100
-	eor	#%00001100		; Make all bits active high
-	asl
-	sta	Buttons
-	lsr
-	lsr
-	lsr
-	and	#%00000001
-	ora	Buttons
-	sta	Buttons
-	ldx	#%01000000
-	stx	CIA1_PRA
-	ldy	#0
-:	dey
-	bne	:-
-	ldx	SID_ADConv1
-	stx	XPos
-	ldx	SID_ADConv2
-	stx	YPos
-
-	lda	#$FF
-	tax
-	bne	@AddX			; Branch always
-	lda	#$01
-	ldx	#$00
+IRQ:    lda     #$7F
+        sta     CIA1_PRA
+        lda     CIA1_PRB                ; Read port #1
+        and     #%00001100
+        eor     #%00001100              ; Make all bits active high
+        asl
+        sta     Buttons
+        lsr
+        lsr
+        lsr
+        and     #%00000001
+        ora     Buttons
+        sta     Buttons
+        ldx     #%01000000
+        stx     CIA1_PRA
+        ldy     #0
+:       dey
+        bne     :-
+        ldx     SID_ADConv1
+        stx     XPos
+        ldx     SID_ADConv2
+        stx     YPos
+
+        lda     #$FF
+        tax
+        bne     @AddX                   ; Branch always
+        lda     #$01
+        ldx     #$00
 
 ; Calculate the new X coordinate (--> a/y)
 
-@AddX:	add	XPos
-	tay				; Remember low byte
-	txa
-	adc	XPos+1
-	tax
+@AddX:  add     XPos
+        tay                             ; Remember low byte
+        txa
+        adc     XPos+1
+        tax
 
 ; Limit the X coordinate to the bounding box
 
-	cpy	XMin
-	sbc	XMin+1
-	bpl	@L1
-	ldy	XMin
-	ldx	XMin+1
-	jmp	@L2
-@L1:	txa
-
-	cpy	XMax
-	sbc	XMax+1
-	bmi	@L2
-	ldy	XMax
-	ldx	XMax+1
-@L2:	sty	XPos
-	stx	XPos+1
+        cpy     XMin
+        sbc     XMin+1
+        bpl     @L1
+        ldy     XMin
+        ldx     XMin+1
+        jmp     @L2
+@L1:    txa
+
+        cpy     XMax
+        sbc     XMax+1
+        bmi     @L2
+        ldy     XMax
+        ldx     XMax+1
+@L2:    sty     XPos
+        stx     XPos+1
 
 ; Move the mouse pointer to the new X pos
 
-	tya
-	jsr	CMOVEX
+        tya
+        jsr     CMOVEX
 
-	lda	#$FF
-	tax
-	bne	@AddY
-@Down:	lda	#$01
-	ldx	#$00
+        lda     #$FF
+        tax
+        bne     @AddY
+@Down:  lda     #$01
+        ldx     #$00
 
 ; Calculate the new Y coordinate (--> a/y)
 
-@AddY:	add	YPos
-	tay				; Remember low byte
-	txa
-	adc	YPos+1
-	tax
+@AddY:  add     YPos
+        tay                             ; Remember low byte
+        txa
+        adc     YPos+1
+        tax
 
 ; Limit the Y coordinate to the bounding box
 
-	cpy	YMin
-	sbc	YMin+1
-	bpl	@L3
-	ldy	YMin
-	ldx	YMin+1
-	jmp	@L4
-@L3:	txa
-
-	cpy	YMax
-	sbc	YMax+1
-	bmi	@L4
-	ldy	YMax
-	ldx	YMax+1
-@L4:	sty	YPos
-	stx	YPos+1
+        cpy     YMin
+        sbc     YMin+1
+        bpl     @L3
+        ldy     YMin
+        ldx     YMin+1
+        jmp     @L4
+@L3:    txa
+
+        cpy     YMax
+        sbc     YMax+1
+        bmi     @L4
+        ldy     YMax
+        ldx     YMax+1
+@L4:    sty     YPos
+        stx     YPos+1
 
 ; Move the mouse pointer to the new X pos
 
-	tya
-	jmp	CMOVEY
+        tya
+        jmp     CMOVEY
diff --git a/libsrc/c128/mouse_stat_stddrv.s b/libsrc/c128/mouse_stat_stddrv.s
index 24f40a54f..29f2c6392 100644
--- a/libsrc/c128/mouse_stat_stddrv.s
+++ b/libsrc/c128/mouse_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void mouse_static_stddrv[];
 ;
 
-        .export	_mouse_static_stddrv
-        .import	_c128_1351_mou
+        .export _mouse_static_stddrv
+        .import _c128_1351_mou
 
 .rodata
 
diff --git a/libsrc/c128/mouse_stddrv.s b/libsrc/c128/mouse_stddrv.s
index 09c607ea3..a9777a057 100644
--- a/libsrc/c128/mouse_stddrv.s
+++ b/libsrc/c128/mouse_stddrv.s
@@ -6,10 +6,10 @@
 ; const char mouse_stddrv[];
 ;
 
-	.export	_mouse_stddrv
+        .export _mouse_stddrv
 
 .rodata
 
-_mouse_stddrv:	.asciiz	"c128-1351.mou"
+_mouse_stddrv:  .asciiz "c128-1351.mou"
 
 
diff --git a/libsrc/c128/randomize.s b/libsrc/c128/randomize.s
index a4599e97b..5c57e04be 100644
--- a/libsrc/c128/randomize.s
+++ b/libsrc/c128/randomize.s
@@ -5,10 +5,10 @@
 ; /* Initialize the random number generator */
 ;
 
-    	.export	       	__randomize
-	.import		_srand
+        .export         __randomize
+        .import         _srand
 
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 __randomize:
         ldx     VIC_HLINE       ; Use VIC rasterline as high byte
diff --git a/libsrc/c128/revers.s b/libsrc/c128/revers.s
index f722c84a8..f19400b9a 100644
--- a/libsrc/c128/revers.s
+++ b/libsrc/c128/revers.s
@@ -4,24 +4,24 @@
 ; unsigned char revers (unsigned char onoff);
 ;
 
-      	.export		_revers
+        .export         _revers
 
         .include        "c128.inc"
 
 .proc   _revers
 
-	ldx    	#$00		; Assume revers off
-	tay			; Test onoff
-	beq	L1		; Jump if off
-	ldx	#$80		; Load on value
-        ldy	#$00		; Assume old value is zero
-L1:     lda    	RVS             ; Load old value
-	stx	RVS             ; Set new value
-	beq	L2		; Jump if old value zero
-	iny			; Make old value = 1
-L2:	ldx	#$00		; Load high byte of result
-	tya			; Load low byte, set CC
-	rts
+        ldx     #$00            ; Assume revers off
+        tay                     ; Test onoff
+        beq     L1              ; Jump if off
+        ldx     #$80            ; Load on value
+        ldy     #$00            ; Assume old value is zero
+L1:     lda     RVS             ; Load old value
+        stx     RVS             ; Set new value
+        beq     L2              ; Jump if old value zero
+        iny                     ; Make old value = 1
+L2:     ldx     #$00            ; Load high byte of result
+        tya                     ; Load low byte, set CC
+        rts
 
 .endproc
 
diff --git a/libsrc/c128/ser/c128-swlink.s b/libsrc/c128/ser/c128-swlink.s
index 558d80db8..347452e85 100644
--- a/libsrc/c128/ser/c128-swlink.s
+++ b/libsrc/c128/ser/c128-swlink.s
@@ -24,7 +24,7 @@
         .include        "zeropage.inc"
         .include        "ser-kernel.inc"
         .include        "ser-error.inc"
-	.include	"c128.inc"
+        .include        "c128.inc"
 
 
 ; ------------------------------------------------------------------------
@@ -47,12 +47,12 @@
         .word   PUT
         .word   STATUS
         .word   IOCTL
-	.word	IRQ
+        .word   IRQ
 
 ;----------------------------------------------------------------------------
 ; I/O definitions
 
-ACIA   	        = $DE00
+ACIA            = $DE00
 ACIA_DATA       = ACIA+0        ; Data register
 ACIA_STATUS     = ACIA+1        ; Status register
 ACIA_CMD        = ACIA+2        ; Command register
@@ -137,11 +137,11 @@ NmiStubOrig     := *
 .org    $1150                           ; BASIC graphics area
 .proc   NmiStub
 
-	lda     #MMU_CFG_CC65		; Bank 0 with kernal ROM...
-	sta    	MMU_CR                  ; ...enable
+        lda     #MMU_CFG_CC65           ; Bank 0 with kernal ROM...
+        sta     MMU_CR                  ; ...enable
         jsr     NmiHandler              ; Call the actual NMI handler
-       	lda     #$00                    ; Get ROM config...
-	sta    	MMU_CR                  ; ...and enable it
+        lda     #$00                    ; Get ROM config...
+        sta     MMU_CR                  ; ...and enable it
 Vector  := *+1
         .byte   $4C                     ; Jump to the saved IRQ vector
 
@@ -157,8 +157,8 @@ INSTALL:
 
 ; Deactivate DTR and disable 6551 interrupts
 
-      	lda     #%00001010
-       	sta    	ACIA_CMD
+        lda     #%00001010
+        sta     ACIA_CMD
 
 ; Copy the NMI stub into low memory
 
@@ -170,20 +170,20 @@ INSTALL:
 
 ; Set up the nmi vector
 
-   	lda   	NMIVec
-   	ldy   	NMIVec+1
-   	sta   	NmiStub::Vector+0
-   	sty   	NmiStub::Vector+1
-   	lda   	#NmiStub
-SetNMI: sta 	NMIVec
-   	sty 	NMIVec+1
+        lda     NMIVec
+        ldy     NMIVec+1
+        sta     NmiStub::Vector+0
+        sty     NmiStub::Vector+1
+        lda     #NmiStub
+SetNMI: sta     NMIVec
+        sty     NMIVec+1
 
 ; Done, return an error code
 
         lda     #SER_ERR_INIT_FAILED
-	rts
+        lda     #SER_ERR_INIT_FAILED
+        rts
 
 ; Baud rate not available
 
@@ -285,8 +285,8 @@ CLOSE:
 
 ; Stop interrupts, drop DTR
 
-      	lda     #%00001010
-       	sta    	ACIA_CMD
+        lda     #%00001010
+        sta     ACIA_CMD
 
 ; Initalize buffers. Returns zero in a
 
@@ -296,7 +296,7 @@ CLOSE:
 
         lda     #SER_ERR_NO_DATA
-   	rts
+@L1:    lda     RecvFreeCnt             ; (25)
+        cmp     #$ff
+        bne     @L2
+        lda     #SER_ERR_NO_DATA
+        rts
 
 ; Check for flow stopped & enough free: release flow control
 
-@L2:  	ldx 	Stopped                 ; (34)
-   	beq 	@L3
-   	cmp 	#63
-   	bcc 	@L3
-   	lda 	#$00
-   	sta 	Stopped
-   	lda 	RtsOff
-   	ora 	#%00001000
-   	sta	ACIA_CMD
+@L2:    ldx     Stopped                 ; (34)
+        beq     @L3
+        cmp     #63
+        bcc     @L3
+        lda     #$00
+        sta     Stopped
+        lda     RtsOff
+        ora     #%00001000
+        sta     ACIA_CMD
 
 ; Get byte from buffer
 
-@L3:  	ldx 	RecvHead                ; (41)
-       	lda 	RecvBuf,x
-      	inc 	RecvHead
-   	inc 	RecvFreeCnt
-       	ldx 	#$00                    ; (59)
-   	sta    	(ptr1,x)
-       	txa				; Return code = 0
-   	rts
+@L3:    ldx     RecvHead                ; (41)
+        lda     RecvBuf,x
+        inc     RecvHead
+        inc     RecvFreeCnt
+        ldx     #$00                    ; (59)
+        sta     (ptr1,x)
+        txa                             ; Return code = 0
+        rts
 
 ;----------------------------------------------------------------------------
 ; PUT: Output character in A.
@@ -351,40 +351,40 @@ PUT:
 
 ; Try to send
 
-        ldx 	SendFreeCnt
-       	inx                             ; X = $ff?
-   	beq 	@L2
-   	pha
-   	lda 	#$00
-   	jsr 	TryToSend
-   	pla
+        ldx     SendFreeCnt
+        inx                             ; X = $ff?
+        beq     @L2
+        pha
+        lda     #$00
+        jsr     TryToSend
+        pla
 
 ; Put byte into send buffer & send
 
-@L2:  	ldx 	SendFreeCnt
-   	bne 	@L3
-   	lda 	#TM
-	jmp	_mktime
+.proc   __systime
+
+        lda     CIA1_TODHR
+        bpl     AM
+        and     #%01111111
+        sed
+        clc
+        adc     #$12
+        cld
+AM:     jsr     BCD2dec
+        sta     TM + tm::tm_hour
+        lda     CIA1_TODMIN
+        jsr     BCD2dec
+        sta     TM + tm::tm_min
+        lda     CIA1_TODSEC
+        jsr     BCD2dec
+        sta     TM + tm::tm_sec
+        lda     CIA1_TOD10              ; Dummy read to unfreeze
+        lda     #TM
+        jmp     _mktime
 
 ; dec = (((BCD>>4)*10) + (BCD&0xf))
 BCD2dec:tax
-	and	#%00001111
-	sta	tmp1
-	txa
+        and     #%00001111
+        sta     tmp1
+        txa
         and     #%11110000      ; *16
         lsr                     ; *8
         sta     tmp2
@@ -68,13 +68,13 @@ BCD2dec:tax
 
         lda     CIA1_TOD10
         sta     CIA1_TOD10
-	jsr     _get_tv
-	cmp     #TV::PAL
-	bne     @60Hz
-	lda     CIA1_CRA
-	ora     #$80
-	sta     CIA1_CRA
-@60Hz:	rts
+        jsr     _get_tv
+        cmp     #TV::PAL
+        bne     @60Hz
+        lda     CIA1_CRA
+        ora     #$80
+        sta     CIA1_CRA
+@60Hz:  rts
 
 .endproc
 
@@ -83,7 +83,7 @@ BCD2dec:tax
 ; TM struct with date set to 1970-01-01
 .data
 
-TM:    	.word           0       ; tm_sec
+TM:     .word           0       ; tm_sec
         .word           0       ; tm_min
         .word           0       ; tm_hour
         .word           1       ; tm_mday
diff --git a/libsrc/c128/tgi/c128-vdc.s b/libsrc/c128/tgi/c128-vdc.s
index e497a5942..226d2aea2 100644
--- a/libsrc/c128/tgi/c128-vdc.s
+++ b/libsrc/c128/tgi/c128-vdc.s
@@ -20,9 +20,9 @@
 ; Register 25 ($19) is said to require different value for VDC v1, but I
 ; couldn't find what it should be.
 
-	.include     	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include     	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
         .include        "tgi-error.inc"
 
 
@@ -31,19 +31,19 @@
 ; ------------------------------------------------------------------------
 ; Constants
 
-VDC_ADDR_REG	  = $D600		  ; VDC address
-VDC_DATA_REG	  = $D601		  ; VDC data
+VDC_ADDR_REG      = $D600                 ; VDC address
+VDC_DATA_REG      = $D601                 ; VDC data
 
-VDC_DSP_HI	  = 12			  ; registers used
-VDC_DSP_LO	  = 13
-VDC_DATA_HI	  = 18
-VDC_DATA_LO	  = 19
-VDC_VSCROLL	  = 24
-VDC_HSCROLL	  = 25
-VDC_COLORS	  = 26
-VDC_CSET	  = 28
-VDC_COUNT	  = 30
-VDC_DATA	  = 31
+VDC_DSP_HI        = 12                    ; registers used
+VDC_DSP_LO        = 13
+VDC_DATA_HI       = 18
+VDC_DATA_LO       = 19
+VDC_VSCROLL       = 24
+VDC_HSCROLL       = 25
+VDC_COLORS        = 26
+VDC_CSET          = 28
+VDC_COUNT         = 30
+VDC_DATA          = 31
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table and constants.
@@ -58,7 +58,7 @@ VDC_DATA	  = 31
 xres:   .word   640                     ; X resolution
 yres:   .word   200                     ; Y resolution
         .byte   2                       ; Number of drawing colors
-pages:	.byte   1                       ; Number of screens available
+pages:  .byte   1                       ; Number of screens available
         .byte   8                       ; System font X size
         .byte   8                       ; System font Y size
         .word   $006A                   ; Aspect ratio (based on 4/3 display)
@@ -71,7 +71,7 @@ pages:	.byte   1                       ; Number of screens available
         .addr   UNINSTALL
         .addr   INIT
         .addr   DONE
-       	.addr   GETERROR
+        .addr   GETERROR
         .addr   CONTROL
         .addr   CLEAR
         .addr   SETVIEWPAGE
@@ -99,23 +99,23 @@ Y1              = ptr2
 X2              = ptr3
 Y2              = ptr4
 
-ADDR		= tmp1
-TEMP		= tmp3
-TEMP2		= tmp4		; HORLINE
-TEMP3		= sreg		; HORLINE
+ADDR            = tmp1
+TEMP            = tmp3
+TEMP2           = tmp4          ; HORLINE
+TEMP3           = sreg          ; HORLINE
 
 ; Absolute variables used in the code
 
 .bss
 
-SCRBASE:	.res	1	; High byte of screen base
+SCRBASE:        .res    1       ; High byte of screen base
 
-ERROR:  	.res	1     	; Error code
+ERROR:          .res    1       ; Error code
 PALETTE:        .res    2       ; The current palette
 
 BITMASK:        .res    1       ; $00 = clear, $FF = set pixels
 
-OLDCOLOR:	.res	1	; colors before entering gfx mode
+OLDCOLOR:       .res    1       ; colors before entering gfx mode
 
 ; Text output stuff
 TEXTMAGX:       .res    1
@@ -131,25 +131,25 @@ PALETTESIZE     = * - DEFPALETTE
 
 BITTAB:         .byte   $80,$40,$20,$10,$08,$04,$02,$01
 
-BITMASKL:	.byte	%11111111, %01111111, %00111111, %00011111
-		.byte   %00001111, %00000111, %00000011, %00000001
+BITMASKL:       .byte   %11111111, %01111111, %00111111, %00011111
+                .byte   %00001111, %00000111, %00000011, %00000001
 
-BITMASKR:	.byte	%10000000, %11000000, %11100000, %11110000
-		.byte	%11111000, %11111100, %11111110, %11111111
+BITMASKR:       .byte   %10000000, %11000000, %11100000, %11110000
+                .byte   %11111000, %11111100, %11111110, %11111111
 
 ; color translation table (indexed by VIC color)
-COLTRANS:	.byte $00, $0f, $08, $06, $0a, $04, $02, $0c
-		.byte $0d, $0b, $09, $01, $0e, $05, $03, $07
-		; colors BROWN and GRAY3 are wrong
+COLTRANS:       .byte $00, $0f, $08, $06, $0a, $04, $02, $0c
+                .byte $0d, $0b, $09, $01, $0e, $05, $03, $07
+                ; colors BROWN and GRAY3 are wrong
 
 ; VDC initialization table (reg),(val),...,$ff
 InitVDCTab:
-		.byte VDC_DSP_HI, 0		; viewpage 0 as default
-		.byte VDC_DSP_LO, 0
-		.byte VDC_HSCROLL, $87
-		.byte $ff
+                .byte VDC_DSP_HI, 0             ; viewpage 0 as default
+                .byte VDC_DSP_LO, 0
+                .byte VDC_HSCROLL, $87
+                .byte $ff
 
-SCN80CLR:	.byte 27,88,147,27,88,0
+SCN80CLR:       .byte 27,88,147,27,88,0
 
 .code
 
@@ -162,78 +162,78 @@ SCN80CLR:	.byte 27,88,147,27,88,0
 ;
 
 INSTALL:
-	; check for VDC version and update register $19 value
-
-	; check for VDC ram size and update number of available screens
-
-	ldx	#VDC_CSET	; determine size of RAM...
-	jsr	VDCReadReg
-	sta	tmp1
-	ora	#%00010000
-	jsr	VDCWriteReg	; turn on 64k
-
-	jsr	settestadr1	; save original value of test byte
-	jsr	VDCReadByte
-	sta	tmp2
-
-	lda	#$55		; write $55 here
-	ldy	#ptr1
-	jsr	test64k		; read it here and there
-	lda	#$aa		; write $aa here
-	ldy	#ptr2
-	jsr	test64k		; read it here and there
-
-	jsr	settestadr1
-	lda	tmp2
-	jsr	VDCWriteByte	; restore original value of test byte
-
-	lda	ptr1		; do bytes match?
-	cmp	ptr1+1
-	bne	@have64k
-	lda	ptr2
-	cmp	ptr2+1
-	bne	@have64k
-
-	ldx	#VDC_CSET
-	lda	tmp1
-	jsr	VDCWriteReg	; restore 16/64k flag
-	jmp	@endok		; and leave default values for 16k
+        ; check for VDC version and update register $19 value
+
+        ; check for VDC ram size and update number of available screens
+
+        ldx     #VDC_CSET       ; determine size of RAM...
+        jsr     VDCReadReg
+        sta     tmp1
+        ora     #%00010000
+        jsr     VDCWriteReg     ; turn on 64k
+
+        jsr     settestadr1     ; save original value of test byte
+        jsr     VDCReadByte
+        sta     tmp2
+
+        lda     #$55            ; write $55 here
+        ldy     #ptr1
+        jsr     test64k         ; read it here and there
+        lda     #$aa            ; write $aa here
+        ldy     #ptr2
+        jsr     test64k         ; read it here and there
+
+        jsr     settestadr1
+        lda     tmp2
+        jsr     VDCWriteByte    ; restore original value of test byte
+
+        lda     ptr1            ; do bytes match?
+        cmp     ptr1+1
+        bne     @have64k
+        lda     ptr2
+        cmp     ptr2+1
+        bne     @have64k
+
+        ldx     #VDC_CSET
+        lda     tmp1
+        jsr     VDCWriteReg     ; restore 16/64k flag
+        jmp     @endok          ; and leave default values for 16k
 
 @have64k:
-	lda	#4
-	sta	pages
+        lda     #4
+        sta     pages
 @endok:
-	lda     #0
-	sta	SCRBASE		; draw page 0 as default
+        lda     #0
+        sta     SCRBASE         ; draw page 0 as default
         rts
 
 test64k:
-	sta	tmp1
-	sty	ptr3
-	lda	#0
-	sta	ptr3+1
-	jsr	settestadr1
-	lda	tmp1
-	jsr	VDCWriteByte		; write $55
-	jsr	settestadr1
-	jsr	VDCReadByte		; read here
-	pha
-	jsr	settestadr2
-	jsr	VDCReadByte		; and there
-	ldy	#1
-	sta	(ptr3),y
-	pla
-	dey
-	sta	(ptr3),y
-	rts
+        sta     tmp1
+        sty     ptr3
+        lda     #0
+        sta     ptr3+1
+        jsr     settestadr1
+        lda     tmp1
+        jsr     VDCWriteByte            ; write $55
+        jsr     settestadr1
+        jsr     VDCReadByte             ; read here
+        pha
+        jsr     settestadr2
+        jsr     VDCReadByte             ; and there
+        ldy     #1
+        sta     (ptr3),y
+        pla
+        dey
+        sta     (ptr3),y
+        rts
 
 settestadr1:
-	ldy	#$02			; test page 2 (here)
-	.byte	$2c
+        ldy     #$02                    ; test page 2 (here)
+        .byte   $2c
 settestadr2:
-	ldy	#$42			; or page 64+2 (there)
-	lda	#0
-	jmp	VDCSetSourceAddr
+        ldy     #$42                    ; or page 64+2 (there)
+        lda     #0
+        jmp     VDCSetSourceAddr
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory. May
@@ -268,20 +268,20 @@ INIT:
         stx     BITMASK
 
 ; Remeber current color value
-	ldx	#VDC_COLORS
-	jsr	VDCReadReg
-	sta	OLDCOLOR
+        ldx     #VDC_COLORS
+        jsr     VDCReadReg
+        sta     OLDCOLOR
 
 ; Switch into graphics mode (set view page 0)
 
-	ldy	#0
-@L2:	ldx	InitVDCTab,y
-	bmi	@L3
-	iny
-	lda	InitVDCTab,y
-	jsr	VDCWriteReg
-	iny
-	bne	@L2
+        ldy     #0
+@L2:    ldx     InitVDCTab,y
+        bmi     @L3
+        iny
+        lda     InitVDCTab,y
+        jsr     VDCWriteReg
+        iny
+        bne     @L2
 @L3:
 
 ; Done, reset the error code
@@ -299,35 +299,35 @@ INIT:
 ;
 
 DONE:
-	; This part is C128-mode specific
-	jsr $e179		; reload character set and setup VDC
-	jsr $ff62
-	lda $d7			; in 80-columns?
-	bne @L01
-@L0:	lda SCN80CLR,y
-	beq @L1
-	jsr $ffd2		; print \xe,clr,\xe
-	iny
-	bne @L0
-@L01:	lda #147
-	jsr $ffd2		; print clr
-@L1:	lda #0			; restore view page
-	ldx #VDC_DSP_HI
-	jsr VDCWriteReg
-	lda OLDCOLOR
-	ldx #VDC_COLORS
-	jsr VDCWriteReg		; restore color (background)
-	lda #$47
-	ldx #VDC_HSCROLL
-       	jmp VDCWriteReg		; switch to text screen
+        ; This part is C128-mode specific
+        jsr $e179               ; reload character set and setup VDC
+        jsr $ff62
+        lda $d7                 ; in 80-columns?
+        bne @L01
+@L0:    lda SCN80CLR,y
+        beq @L1
+        jsr $ffd2               ; print \xe,clr,\xe
+        iny
+        bne @L0
+@L01:   lda #147
+        jsr $ffd2               ; print clr
+@L1:    lda #0                  ; restore view page
+        ldx #VDC_DSP_HI
+        jsr VDCWriteReg
+        lda OLDCOLOR
+        ldx #VDC_COLORS
+        jsr VDCWriteReg         ; restore color (background)
+        lda #$47
+        ldx #VDC_HSCROLL
+        jmp VDCWriteReg         ; switch to text screen
 
 ; ------------------------------------------------------------------------
 ; GETERROR: Return the error code in A and clear it.
 
 GETERROR:
-       	ldx	#TGI_ERR_OK
-	lda	ERROR
-	stx	ERROR
+        ldx     #TGI_ERR_OK
+        lda     ERROR
+        stx     ERROR
         rts
 
 ; ------------------------------------------------------------------------
@@ -337,8 +337,8 @@ GETERROR:
 ;
 
 CONTROL:
-	lda	#TGI_ERR_INV_FUNC
-	sta	ERROR
+        lda     #TGI_ERR_INV_FUNC
+        sta     ERROR
         rts
 
 ; ------------------------------------------------------------------------
@@ -348,22 +348,22 @@ CONTROL:
 ;
 
 CLEAR:
-	lda	#0
-	ldy	SCRBASE
-	jsr	VDCSetSourceAddr
-	lda	#0
-	ldx	#VDC_VSCROLL
-	jsr	VDCWriteReg			; set fill mode
-	lda	#0
-	jsr	VDCWriteByte			; put 1rst byte (fill value)
-	ldy	#62				; 62 times
-	lda	#0				; 256 bytes
-	ldx	#VDC_COUNT
-@L1:	jsr	VDCWriteReg
-	dey
-	bne	@L1
-	lda	#127
-	jmp	VDCWriteReg			; 1+62*256+127=16000=(640*256)/8
+        lda     #0
+        ldy     SCRBASE
+        jsr     VDCSetSourceAddr
+        lda     #0
+        ldx     #VDC_VSCROLL
+        jsr     VDCWriteReg                     ; set fill mode
+        lda     #0
+        jsr     VDCWriteByte                    ; put 1rst byte (fill value)
+        ldy     #62                             ; 62 times
+        lda     #0                              ; 256 bytes
+        ldx     #VDC_COUNT
+@L1:    jsr     VDCWriteReg
+        dey
+        bne     @L1
+        lda     #127
+        jmp     VDCWriteReg                     ; 1+62*256+127=16000=(640*256)/8
 
 ; ------------------------------------------------------------------------
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
@@ -373,12 +373,12 @@ CLEAR:
 ;
 
 SETVIEWPAGE:
-	clc
-	ror
-	ror
-	ror
-	ldx	#VDC_DSP_HI
-	jmp	VDCWriteReg
+        clc
+        ror
+        ror
+        ror
+        ldx     #VDC_DSP_HI
+        jmp     VDCWriteReg
 
 ; ------------------------------------------------------------------------
 ; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
@@ -388,12 +388,12 @@ SETVIEWPAGE:
 ;
 
 SETDRAWPAGE:
-	clc
-	ror
-	ror
-	ror
-	sta	SCRBASE
-	rts
+        clc
+        ror
+        ror
+        ror
+        sta     SCRBASE
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETCOLOR: Set the drawing color (in A). The new color is already checked
@@ -428,16 +428,16 @@ SETPALETTE:
 ; Get the color entries from the palette
 
         ldy     PALETTE+1       ; Foreground color
-	lda	COLTRANS,y
+        lda     COLTRANS,y
         asl     a
         asl     a
         asl     a
         asl     a
         ldy     PALETTE         ; Background color
-	ora	COLTRANS,y
+        ora     COLTRANS,y
 
-	ldx	#VDC_COLORS
-       	jsr     VDCWriteReg
+        ldx     #VDC_COLORS
+        jsr     VDCWriteReg
         lda     #TGI_ERR_OK     ; Clear error code
         sta     ERROR
         rts
@@ -480,23 +480,23 @@ GETDEFPALETTE:
 SETPIXEL:
         jsr     CALC            ; Calculate coordinates
 
-	stx	TEMP
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	jsr	VDCReadByte
-	ldx	TEMP
+        stx     TEMP
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        jsr     VDCReadByte
+        ldx     TEMP
 
-	sta	TEMP
+        sta     TEMP
         eor     BITMASK
         and     BITTAB,X
-	eor	TEMP
-	pha
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	pla
-	jsr	VDCWriteByte
+        eor     TEMP
+        pha
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        pla
+        jsr     VDCWriteByte
 
 @L9:    rts
 
@@ -509,12 +509,12 @@ SETPIXEL:
 GETPIXEL:
         jsr     CALC            ; Calculate coordinates
 
-	stx	TEMP		; preserve X
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	jsr	VDCReadByte
-	ldx	TEMP
+        stx     TEMP            ; preserve X
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        jsr     VDCReadByte
+        ldx     TEMP
 
         ldy     #$00
         and     BITTAB,X
@@ -542,127 +542,127 @@ GETPIXEL:
 ;
 
 BAR:
-	inc	Y2
-	bne	HORLINE
-	inc	Y2+1
+        inc     Y2
+        bne     HORLINE
+        inc     Y2+1
 
 ; Original code for a horizontal line
 
 HORLINE:
-	lda X1
-	pha
-	lda X1+1
-	pha
-	jsr CALC		; get data for LEFT
-	lda BITMASKL,x		; remember left address and bitmask
-	pha
-	lda ADDR
-	pha
-	lda ADDR+1
-	pha
-
-	lda X2
-	sta X1
-	lda X2+1
-	sta X1+1
-	jsr CALC		; get data for RIGHT
-	lda BITMASKR,x
-	sta TEMP3
-
-	pla			; recall data for LEFT
-	sta X1+1
-	pla
-	sta X1			; put left address into X1
-	pla
-
-	cmp #%11111111		; if left bit <> 0
-	beq @L1
-	sta TEMP2		; do left byte only...
-	lda X1
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	jsr VDCReadByte
-	sta TEMP
-	eor BITMASK
-	and TEMP2
-	eor TEMP
-	pha
-	lda X1
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	pla
-	jsr VDCWriteByte
-	inc X1			; ... and proceed
-	bne @L1
-	inc X1+1
-
-	; do right byte (if Y2=0 ++ADDR and skip)
-@L1:	lda TEMP3
-	cmp #%11111111		; if right bit <> 7
-	bne @L11
-	inc ADDR		; right bit = 7 - the next one is the last
-	bne @L10
-	inc ADDR+1
-@L10:	bne @L2
-
-@L11:	lda ADDR		; do right byte only...
-	ldy ADDR+1
-	jsr VDCSetSourceAddr
-	jsr VDCReadByte
-	sta TEMP
-	eor BITMASK
-	and TEMP3
-	eor TEMP
-	pha
-	lda ADDR
-	ldy ADDR+1
-	jsr VDCSetSourceAddr
-	pla
-	jsr VDCWriteByte
-
-@L2:				; do the fill in the middle
-	lda ADDR		; calculate offset in full bytes
-	sec
-	sbc X1
-	beq @L3			; if equal - there are no more bytes
-	sta ADDR
-
-	lda X1			; setup for the left side
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	lda BITMASK		; get color
-	jsr VDCWriteByte	; put 1st value
-	ldx ADDR
-	dex
-	beq @L3			; 1 byte already written
-
-	stx ADDR		; if there are more bytes - fill them...
-	ldx #VDC_VSCROLL
-	lda #0
-	jsr VDCWriteReg		; setup for fill
-	ldx #VDC_COUNT
-	lda ADDR
-	jsr VDCWriteReg		; ... fill them NOW!
-
-@L3:	pla
-	sta X1+1
-	pla
-	sta X1
+        lda X1
+        pha
+        lda X1+1
+        pha
+        jsr CALC                ; get data for LEFT
+        lda BITMASKL,x          ; remember left address and bitmask
+        pha
+        lda ADDR
+        pha
+        lda ADDR+1
+        pha
+
+        lda X2
+        sta X1
+        lda X2+1
+        sta X1+1
+        jsr CALC                ; get data for RIGHT
+        lda BITMASKR,x
+        sta TEMP3
+
+        pla                     ; recall data for LEFT
+        sta X1+1
+        pla
+        sta X1                  ; put left address into X1
+        pla
+
+        cmp #%11111111          ; if left bit <> 0
+        beq @L1
+        sta TEMP2               ; do left byte only...
+        lda X1
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        jsr VDCReadByte
+        sta TEMP
+        eor BITMASK
+        and TEMP2
+        eor TEMP
+        pha
+        lda X1
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        pla
+        jsr VDCWriteByte
+        inc X1                  ; ... and proceed
+        bne @L1
+        inc X1+1
+
+        ; do right byte (if Y2=0 ++ADDR and skip)
+@L1:    lda TEMP3
+        cmp #%11111111          ; if right bit <> 7
+        bne @L11
+        inc ADDR                ; right bit = 7 - the next one is the last
+        bne @L10
+        inc ADDR+1
+@L10:   bne @L2
+
+@L11:   lda ADDR                ; do right byte only...
+        ldy ADDR+1
+        jsr VDCSetSourceAddr
+        jsr VDCReadByte
+        sta TEMP
+        eor BITMASK
+        and TEMP3
+        eor TEMP
+        pha
+        lda ADDR
+        ldy ADDR+1
+        jsr VDCSetSourceAddr
+        pla
+        jsr VDCWriteByte
+
+@L2:                            ; do the fill in the middle
+        lda ADDR                ; calculate offset in full bytes
+        sec
+        sbc X1
+        beq @L3                 ; if equal - there are no more bytes
+        sta ADDR
+
+        lda X1                  ; setup for the left side
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        lda BITMASK             ; get color
+        jsr VDCWriteByte        ; put 1st value
+        ldx ADDR
+        dex
+        beq @L3                 ; 1 byte already written
+
+        stx ADDR                ; if there are more bytes - fill them...
+        ldx #VDC_VSCROLL
+        lda #0
+        jsr VDCWriteReg         ; setup for fill
+        ldx #VDC_COUNT
+        lda ADDR
+        jsr VDCWriteReg         ; ... fill them NOW!
+
+@L3:    pla
+        sta X1+1
+        pla
+        sta X1
 
 ; End of horizontal line code
 
-	inc	Y1
-	bne	@L4
-	inc	Y1+1
-@L4:	lda	Y1
-	cmp	Y2
-	bne	@L5
-	lda	Y1+1
-	cmp	Y2+1
-	bne	@L5
-	rts
+        inc     Y1
+        bne     @L4
+        inc     Y1+1
+@L4:    lda     Y1
+        cmp     Y2
+        bne     @L5
+        lda     Y1+1
+        cmp     Y2+1
+        bne     @L5
+        rts
 
-@L5:	jmp	HORLINE
+@L5:    jmp     HORLINE
 
 
 ; ------------------------------------------------------------------------
@@ -697,82 +697,82 @@ OUTTEXT:
 ;> ADDR - address of card
 ;> X - bit number (X1 & 7)
 CALC:
-	lda	Y1+1
-	sta	ADDR+1
-	lda	Y1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1		; Y*4
-	clc
-	adc	Y1
-	sta	ADDR
-	lda	Y1+1
-	adc	ADDR+1
-	sta	ADDR+1		; Y*4+Y=Y*5
-	lda	ADDR
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	sta	ADDR		; Y*5*16=Y*80
-	lda	X1+1
-	sta	TEMP
-	lda	X1
-	lsr	TEMP
-	ror
-	lsr	TEMP
-	ror
-	lsr	TEMP
-	ror
-	clc
-	adc	ADDR
-	sta	ADDR
-	lda	ADDR+1		; ADDR = Y*80+x/8
-	adc	TEMP
-	sta	ADDR+1
-	lda	ADDR+1
-	adc	SCRBASE
-	sta	ADDR+1
-	lda	X1
-	and	#7
-	tax
-	rts
+        lda     Y1+1
+        sta     ADDR+1
+        lda     Y1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1          ; Y*4
+        clc
+        adc     Y1
+        sta     ADDR
+        lda     Y1+1
+        adc     ADDR+1
+        sta     ADDR+1          ; Y*4+Y=Y*5
+        lda     ADDR
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        sta     ADDR            ; Y*5*16=Y*80
+        lda     X1+1
+        sta     TEMP
+        lda     X1
+        lsr     TEMP
+        ror
+        lsr     TEMP
+        ror
+        lsr     TEMP
+        ror
+        clc
+        adc     ADDR
+        sta     ADDR
+        lda     ADDR+1          ; ADDR = Y*80+x/8
+        adc     TEMP
+        sta     ADDR+1
+        lda     ADDR+1
+        adc     SCRBASE
+        sta     ADDR+1
+        lda     X1
+        and     #7
+        tax
+        rts
 
 ;-------------
 ; VDC helpers
 
 VDCSetSourceAddr:
-	pha
-	tya
-	ldx	#VDC_DATA_HI
-	jsr	VDCWriteReg
-	pla
-	ldx	#VDC_DATA_LO
-	bne	VDCWriteReg
+        pha
+        tya
+        ldx     #VDC_DATA_HI
+        jsr     VDCWriteReg
+        pla
+        ldx     #VDC_DATA_LO
+        bne     VDCWriteReg
 
 VDCReadByte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 VDCReadReg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	lda	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        lda     VDC_DATA_REG
+        rts
 
 VDCWriteByte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 VDCWriteReg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	sta	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        sta     VDC_DATA_REG
+        rts
 
 ; ------------------------------------------------------------------------
 
-	.include     	"../../tgi/tgidrv_line.inc"
+        .include        "../../tgi/tgidrv_line.inc"
diff --git a/libsrc/c128/tgi/c128-vdc2.s b/libsrc/c128/tgi/c128-vdc2.s
index 7f2dbdf5c..e3c08037f 100644
--- a/libsrc/c128/tgi/c128-vdc2.s
+++ b/libsrc/c128/tgi/c128-vdc2.s
@@ -21,9 +21,9 @@
 ; Register 25 ($19) is said to require different value for VDC v1, but I
 ; couldn't find what it should be.
 
-	.include     	"zeropage.inc"
+        .include        "zeropage.inc"
 
-      	.include     	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
         .include        "tgi-error.inc"
 
 
@@ -32,19 +32,19 @@
 ; ------------------------------------------------------------------------
 ; Constants
 
-VDC_ADDR_REG	  = $D600		  ; VDC address
-VDC_DATA_REG	  = $D601		  ; VDC data
+VDC_ADDR_REG      = $D600                 ; VDC address
+VDC_DATA_REG      = $D601                 ; VDC data
 
-VDC_DSP_HI	  = 12			  ; registers used
-VDC_DSP_LO	  = 13
-VDC_DATA_HI	  = 18
-VDC_DATA_LO	  = 19
-VDC_VSCROLL	  = 24
-VDC_HSCROLL	  = 25
-VDC_COLORS	  = 26
-VDC_CSET	  = 28
-VDC_COUNT	  = 30
-VDC_DATA	  = 31
+VDC_DSP_HI        = 12                    ; registers used
+VDC_DSP_LO        = 13
+VDC_DATA_HI       = 18
+VDC_DATA_LO       = 19
+VDC_VSCROLL       = 24
+VDC_HSCROLL       = 25
+VDC_COLORS        = 26
+VDC_CSET          = 28
+VDC_COUNT         = 30
+VDC_DATA          = 31
 
 ; ------------------------------------------------------------------------
 ; Header. Includes jump table and constants.
@@ -59,7 +59,7 @@ VDC_DATA	  = 31
 xres:   .word   640                     ; X resolution
 yres:   .word   480                     ; Y resolution
         .byte   2                       ; Number of drawing colors
-pages:	.byte   0                       ; Number of screens available
+pages:  .byte   0                       ; Number of screens available
         .byte   8                       ; System font X size
         .byte   8                       ; System font Y size
         .word   $0100                   ; Aspect ratio (based on 4/3 display)
@@ -72,7 +72,7 @@ pages:	.byte   0                       ; Number of screens available
         .addr   UNINSTALL
         .addr   INIT
         .addr   DONE
-       	.addr   GETERROR
+        .addr   GETERROR
         .addr   CONTROL
         .addr   CLEAR
         .addr   SETVIEWPAGE
@@ -100,21 +100,21 @@ Y1              = ptr2
 X2              = ptr3
 Y2              = ptr4
 
-ADDR		= tmp1
-TEMP		= tmp3
-TEMP2		= tmp4		; HORLINE
-TEMP3		= sreg		; HORLINE
+ADDR            = tmp1
+TEMP            = tmp3
+TEMP2           = tmp4          ; HORLINE
+TEMP3           = sreg          ; HORLINE
 
 ; Absolute variables used in the code
 
 .bss
 
-ERROR:  	.res	1     	; Error code
+ERROR:          .res    1       ; Error code
 PALETTE:        .res    2       ; The current palette
 
 BITMASK:        .res    1       ; $00 = clear, $FF = set pixels
 
-OLDCOLOR:	.res	1	; colors before entering gfx mode
+OLDCOLOR:       .res    1       ; colors before entering gfx mode
 
 ; Text output stuff
 TEXTMAGX:       .res    1
@@ -130,33 +130,33 @@ PALETTESIZE     = * - DEFPALETTE
 
 BITTAB:         .byte   $80,$40,$20,$10,$08,$04,$02,$01
 
-BITMASKL:	.byte	%11111111, %01111111, %00111111, %00011111
-		.byte   %00001111, %00000111, %00000011, %00000001
+BITMASKL:       .byte   %11111111, %01111111, %00111111, %00011111
+                .byte   %00001111, %00000111, %00000011, %00000001
 
-BITMASKR:	.byte	%10000000, %11000000, %11100000, %11110000
-		.byte	%11111000, %11111100, %11111110, %11111111
+BITMASKR:       .byte   %10000000, %11000000, %11100000, %11110000
+                .byte   %11111000, %11111100, %11111110, %11111111
 
 ; color translation table (indexed by VIC color)
-COLTRANS:	.byte $00, $0f, $08, $06, $0a, $04, $02, $0c
-		.byte $0d, $0b, $09, $01, $0e, $05, $03, $07
-		; colors BROWN and GRAY3 are wrong
+COLTRANS:       .byte $00, $0f, $08, $06, $0a, $04, $02, $0c
+                .byte $0d, $0b, $09, $01, $0e, $05, $03, $07
+                ; colors BROWN and GRAY3 are wrong
 
 ; VDC initialization table (reg),(val),...,$ff
 InitVDCTab:
-		.byte VDC_DSP_HI, 0		; viewpage 0 as default
-		.byte VDC_DSP_LO, 0
-		.byte VDC_HSCROLL, $87
-		.byte 2, $66
-		.byte 4, $4c
-		.byte 5, $06
-		.byte 6, $4c
-		.byte 7, $47
-		.byte 8, $03
-		.byte 9, $06
-		.byte 27, $00
-		.byte $ff
-
-SCN80CLR: 	.byte 27,88,147,27,88,0
+                .byte VDC_DSP_HI, 0             ; viewpage 0 as default
+                .byte VDC_DSP_LO, 0
+                .byte VDC_HSCROLL, $87
+                .byte 2, $66
+                .byte 4, $4c
+                .byte 5, $06
+                .byte 6, $4c
+                .byte 7, $47
+                .byte 8, $03
+                .byte 9, $06
+                .byte 27, $00
+                .byte $ff
+
+SCN80CLR:       .byte 27,88,147,27,88,0
 
 .code
 
@@ -169,76 +169,76 @@ SCN80CLR: 	.byte 27,88,147,27,88,0
 ;
 
 INSTALL:
-	; check for VDC version and update register $19 value
-
-	; check for VDC ram size and update number of available screens
-
-	ldx	#VDC_CSET	; determine size of RAM...
-	jsr	VDCReadReg
-	sta	tmp1
-	ora	#%00010000
-	jsr	VDCWriteReg	; turn on 64k
-
-	jsr	settestadr1	; save original value of test byte
-	jsr	VDCReadByte
-	sta	tmp2
-
-	lda	#$55		; write $55 here
-	ldy	#ptr1
-	jsr	test64k		; read it here and there
-	lda	#$aa		; write $aa here
-	ldy	#ptr2
-	jsr	test64k		; read it here and there
-
-	jsr	settestadr1
-	lda	tmp2
-	jsr	VDCWriteByte	; restore original value of test byte
-
-	lda	ptr1		; do bytes match?
-	cmp	ptr1+1
-	bne	@have64k
-	lda	ptr2
-	cmp	ptr2+1
-	bne	@have64k
-
-	ldx	#VDC_CSET
-	lda	tmp1
-	jsr	VDCWriteReg	; restore 16/64k flag
-	jmp	@endok		; and leave default values for 16k
+        ; check for VDC version and update register $19 value
+
+        ; check for VDC ram size and update number of available screens
+
+        ldx     #VDC_CSET       ; determine size of RAM...
+        jsr     VDCReadReg
+        sta     tmp1
+        ora     #%00010000
+        jsr     VDCWriteReg     ; turn on 64k
+
+        jsr     settestadr1     ; save original value of test byte
+        jsr     VDCReadByte
+        sta     tmp2
+
+        lda     #$55            ; write $55 here
+        ldy     #ptr1
+        jsr     test64k         ; read it here and there
+        lda     #$aa            ; write $aa here
+        ldy     #ptr2
+        jsr     test64k         ; read it here and there
+
+        jsr     settestadr1
+        lda     tmp2
+        jsr     VDCWriteByte    ; restore original value of test byte
+
+        lda     ptr1            ; do bytes match?
+        cmp     ptr1+1
+        bne     @have64k
+        lda     ptr2
+        cmp     ptr2+1
+        bne     @have64k
+
+        ldx     #VDC_CSET
+        lda     tmp1
+        jsr     VDCWriteReg     ; restore 16/64k flag
+        jmp     @endok          ; and leave default values for 16k
 
 @have64k:
-	lda	#1
-	sta	pages
+        lda     #1
+        sta     pages
 @endok:
         rts
 
 test64k:
-	sta	tmp1
-	sty	ptr3
-	lda	#0
-	sta	ptr3+1
-	jsr	settestadr1
-	lda	tmp1
-	jsr	VDCWriteByte		; write $55
-	jsr	settestadr1
-	jsr	VDCReadByte		; read here
-	pha
-	jsr	settestadr2
-	jsr	VDCReadByte		; and there
-	ldy	#1
-	sta	(ptr3),y
-	pla
-	dey
-	sta	(ptr3),y
-	rts
+        sta     tmp1
+        sty     ptr3
+        lda     #0
+        sta     ptr3+1
+        jsr     settestadr1
+        lda     tmp1
+        jsr     VDCWriteByte            ; write $55
+        jsr     settestadr1
+        jsr     VDCReadByte             ; read here
+        pha
+        jsr     settestadr2
+        jsr     VDCReadByte             ; and there
+        ldy     #1
+        sta     (ptr3),y
+        pla
+        dey
+        sta     (ptr3),y
+        rts
 
 settestadr1:
-	ldy	#$02			; test page 2 (here)
-	.byte	$2c
+        ldy     #$02                    ; test page 2 (here)
+        .byte   $2c
 settestadr2:
-	ldy	#$42			; or page 64+2 (there)
-	lda	#0
-	jmp	VDCSetSourceAddr
+        ldy     #$42                    ; or page 64+2 (there)
+        lda     #0
+        jmp     VDCSetSourceAddr
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory. May
@@ -266,10 +266,10 @@ UNINSTALL:
 ;
 
 INIT:
-	lda	pages			; is there enough memory?
-	bne	@L1			; Jump if there is one screen
-	lda	#TGI_ERR_INV_MODE	; Error
-	bne	@L9
+        lda     pages                   ; is there enough memory?
+        bne     @L1                     ; Jump if there is one screen
+        lda     #TGI_ERR_INV_MODE       ; Error
+        bne     @L9
 
 ; Initialize variables
 
@@ -277,20 +277,20 @@ INIT:
         stx     BITMASK
 
 ; Remeber current color value
-	ldx	#VDC_COLORS
-	jsr	VDCReadReg
-	sta	OLDCOLOR
+        ldx     #VDC_COLORS
+        jsr     VDCReadReg
+        sta     OLDCOLOR
 
 ; Switch into graphics mode (set view page 0)
 
-	ldy	#0
-@L2:	ldx	InitVDCTab,y
-	bmi	@L3
-	iny
-	lda	InitVDCTab,y
-	jsr	VDCWriteReg
-	iny
-	bne	@L2
+        ldy     #0
+@L2:    ldx     InitVDCTab,y
+        bmi     @L3
+        iny
+        lda     InitVDCTab,y
+        jsr     VDCWriteReg
+        iny
+        bne     @L2
 @L3:
 
 ; Done, reset the error code
@@ -308,35 +308,35 @@ INIT:
 ;
 
 DONE:
-	; This part is C128-mode specific
-	jsr $e179		; reload character set and setup VDC
-	jsr $ff62
-	lda $d7			; in 80-columns?
-	bne @L01
-@L0:	lda SCN80CLR,y
-	beq @L1
-	jsr $ffd2		; print \xe,clr,\xe
-	iny
-	bne @L0
-@L01:	lda #147
-	jsr $ffd2		; print clr
-@L1:	lda #0			; restore view page
-	ldx #VDC_DSP_HI
-	jsr VDCWriteReg
-	lda OLDCOLOR
-	ldx #VDC_COLORS
-	jsr VDCWriteReg		; restore color (background)
-	lda #$47
-	ldx #VDC_HSCROLL
-       	jmp VDCWriteReg		; switch to text screen
+        ; This part is C128-mode specific
+        jsr $e179               ; reload character set and setup VDC
+        jsr $ff62
+        lda $d7                 ; in 80-columns?
+        bne @L01
+@L0:    lda SCN80CLR,y
+        beq @L1
+        jsr $ffd2               ; print \xe,clr,\xe
+        iny
+        bne @L0
+@L01:   lda #147
+        jsr $ffd2               ; print clr
+@L1:    lda #0                  ; restore view page
+        ldx #VDC_DSP_HI
+        jsr VDCWriteReg
+        lda OLDCOLOR
+        ldx #VDC_COLORS
+        jsr VDCWriteReg         ; restore color (background)
+        lda #$47
+        ldx #VDC_HSCROLL
+        jmp VDCWriteReg         ; switch to text screen
 
 ; ------------------------------------------------------------------------
 ; GETERROR: Return the error code in A and clear it.
 
 GETERROR:
-       	ldx	#TGI_ERR_OK
-	lda	ERROR
-	stx	ERROR
+        ldx     #TGI_ERR_OK
+        lda     ERROR
+        stx     ERROR
         rts
 
 ; ------------------------------------------------------------------------
@@ -346,8 +346,8 @@ GETERROR:
 ;
 
 CONTROL:
-	lda	#TGI_ERR_INV_FUNC
-	sta	ERROR
+        lda     #TGI_ERR_INV_FUNC
+        sta     ERROR
         rts
 
 ; ------------------------------------------------------------------------
@@ -357,21 +357,21 @@ CONTROL:
 ;
 
 CLEAR:
-	lda	#0
-	tay
-	jsr	VDCSetSourceAddr
-	lda	#0
-	ldx	#VDC_VSCROLL
-	jsr	VDCWriteReg			; set fill mode
-	lda	#0
-	jsr	VDCWriteByte			; put 1rst byte (fill value)
-	ldy	#159				; 159 times
-	lda	#0				; 256 bytes
-	ldx	#VDC_COUNT
-@L1:	jsr	VDCWriteReg
-	dey
-	bne	@L1
-	rts
+        lda     #0
+        tay
+        jsr     VDCSetSourceAddr
+        lda     #0
+        ldx     #VDC_VSCROLL
+        jsr     VDCWriteReg                     ; set fill mode
+        lda     #0
+        jsr     VDCWriteByte                    ; put 1rst byte (fill value)
+        ldy     #159                            ; 159 times
+        lda     #0                              ; 256 bytes
+        ldx     #VDC_COUNT
+@L1:    jsr     VDCWriteReg
+        dey
+        bne     @L1
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
@@ -381,7 +381,7 @@ CLEAR:
 ;
 
 SETVIEWPAGE:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
@@ -391,7 +391,7 @@ SETVIEWPAGE:
 ;
 
 SETDRAWPAGE:
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; SETCOLOR: Set the drawing color (in A). The new color is already checked
@@ -426,16 +426,16 @@ SETPALETTE:
 ; Get the color entries from the palette
 
         ldy     PALETTE+1       ; Foreground color
-	lda	COLTRANS,y
+        lda     COLTRANS,y
         asl     a
         asl     a
         asl     a
         asl     a
         ldy     PALETTE         ; Background color
-	ora	COLTRANS,y
+        ora     COLTRANS,y
 
-	ldx	#VDC_COLORS
-       	jsr     VDCWriteReg
+        ldx     #VDC_COLORS
+        jsr     VDCWriteReg
         lda     #TGI_ERR_OK     ; Clear error code
         sta     ERROR
         rts
@@ -478,23 +478,23 @@ GETDEFPALETTE:
 SETPIXEL:
         jsr     CALC            ; Calculate coordinates
 
-	stx	TEMP
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	jsr	VDCReadByte
-	ldx	TEMP
+        stx     TEMP
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        jsr     VDCReadByte
+        ldx     TEMP
 
-	sta	TEMP
+        sta     TEMP
         eor     BITMASK
         and     BITTAB,X
-	eor	TEMP
-	pha
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	pla
-	jsr	VDCWriteByte
+        eor     TEMP
+        pha
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        pla
+        jsr     VDCWriteByte
 
 @L9:    rts
 
@@ -507,12 +507,12 @@ SETPIXEL:
 GETPIXEL:
         jsr     CALC            ; Calculate coordinates
 
-	stx	TEMP		; preserve X
-	lda	ADDR
-	ldy	ADDR+1
-	jsr	VDCSetSourceAddr
-	jsr	VDCReadByte
-	ldx	TEMP
+        stx     TEMP            ; preserve X
+        lda     ADDR
+        ldy     ADDR+1
+        jsr     VDCSetSourceAddr
+        jsr     VDCReadByte
+        ldx     TEMP
 
         ldy     #$00
         and     BITTAB,X
@@ -540,127 +540,127 @@ GETPIXEL:
 ;
 
 BAR:
-	inc	Y2
-	bne	HORLINE
-	inc	Y2+1
+        inc     Y2
+        bne     HORLINE
+        inc     Y2+1
 
 ; Original code for a horizontal line
 
 HORLINE:
-	lda X1
-	pha
-	lda X1+1
-	pha
-	jsr CALC		; get data for LEFT
-	lda BITMASKL,x		; remember left address and bitmask
-	pha
-	lda ADDR
-	pha
-	lda ADDR+1
-	pha
-
-	lda X2
-	sta X1
-	lda X2+1
-	sta X1+1
-	jsr CALC		; get data for RIGHT
-	lda BITMASKR,x
-	sta TEMP3
-
-	pla			; recall data for LEFT
-	sta X1+1
-	pla
-	sta X1			; put left address into X1
-	pla
-
-	cmp #%11111111		; if left bit <> 0
-	beq @L1
-	sta TEMP2		; do left byte only...
-	lda X1
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	jsr VDCReadByte
-	sta TEMP
-	eor BITMASK
-	and TEMP2
-	eor TEMP
-	pha
-	lda X1
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	pla
-	jsr VDCWriteByte
-	inc X1			; ... and proceed
-	bne @L1
-	inc X1+1
-
-	; do right byte (if Y2=0 ++ADDR and skip)
-@L1:	lda TEMP3
-	cmp #%11111111		; if right bit <> 7
-	bne @L11
-	inc ADDR		; right bit = 7 - the next one is the last
-	bne @L10
-	inc ADDR+1
-@L10:	bne @L2
-
-@L11:	lda ADDR		; do right byte only...
-	ldy ADDR+1
-	jsr VDCSetSourceAddr
-	jsr VDCReadByte
-	sta TEMP
-	eor BITMASK
-	and TEMP3
-	eor TEMP
-	pha
-	lda ADDR
-	ldy ADDR+1
-	jsr VDCSetSourceAddr
-	pla
-	jsr VDCWriteByte
-
-@L2:				; do the fill in the middle
-	lda ADDR		; calculate offset in full bytes
-	sec
-	sbc X1
-	beq @L3			; if equal - there are no more bytes
-	sta ADDR
-
-	lda X1			; setup for the left side
-	ldy X1+1
-	jsr VDCSetSourceAddr
-	lda BITMASK		; get color
-	jsr VDCWriteByte	; put 1st value
-	ldx ADDR
-	dex
-	beq @L3			; 1 byte already written
-
-	stx ADDR		; if there are more bytes - fill them...
-	ldx #VDC_VSCROLL
-	lda #0
-	jsr VDCWriteReg		; setup for fill
-	ldx #VDC_COUNT
-	lda ADDR
-	jsr VDCWriteReg		; ... fill them NOW!
-
-@L3:	pla
-	sta X1+1
-	pla
-	sta X1
+        lda X1
+        pha
+        lda X1+1
+        pha
+        jsr CALC                ; get data for LEFT
+        lda BITMASKL,x          ; remember left address and bitmask
+        pha
+        lda ADDR
+        pha
+        lda ADDR+1
+        pha
+
+        lda X2
+        sta X1
+        lda X2+1
+        sta X1+1
+        jsr CALC                ; get data for RIGHT
+        lda BITMASKR,x
+        sta TEMP3
+
+        pla                     ; recall data for LEFT
+        sta X1+1
+        pla
+        sta X1                  ; put left address into X1
+        pla
+
+        cmp #%11111111          ; if left bit <> 0
+        beq @L1
+        sta TEMP2               ; do left byte only...
+        lda X1
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        jsr VDCReadByte
+        sta TEMP
+        eor BITMASK
+        and TEMP2
+        eor TEMP
+        pha
+        lda X1
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        pla
+        jsr VDCWriteByte
+        inc X1                  ; ... and proceed
+        bne @L1
+        inc X1+1
+
+        ; do right byte (if Y2=0 ++ADDR and skip)
+@L1:    lda TEMP3
+        cmp #%11111111          ; if right bit <> 7
+        bne @L11
+        inc ADDR                ; right bit = 7 - the next one is the last
+        bne @L10
+        inc ADDR+1
+@L10:   bne @L2
+
+@L11:   lda ADDR                ; do right byte only...
+        ldy ADDR+1
+        jsr VDCSetSourceAddr
+        jsr VDCReadByte
+        sta TEMP
+        eor BITMASK
+        and TEMP3
+        eor TEMP
+        pha
+        lda ADDR
+        ldy ADDR+1
+        jsr VDCSetSourceAddr
+        pla
+        jsr VDCWriteByte
+
+@L2:                            ; do the fill in the middle
+        lda ADDR                ; calculate offset in full bytes
+        sec
+        sbc X1
+        beq @L3                 ; if equal - there are no more bytes
+        sta ADDR
+
+        lda X1                  ; setup for the left side
+        ldy X1+1
+        jsr VDCSetSourceAddr
+        lda BITMASK             ; get color
+        jsr VDCWriteByte        ; put 1st value
+        ldx ADDR
+        dex
+        beq @L3                 ; 1 byte already written
+
+        stx ADDR                ; if there are more bytes - fill them...
+        ldx #VDC_VSCROLL
+        lda #0
+        jsr VDCWriteReg         ; setup for fill
+        ldx #VDC_COUNT
+        lda ADDR
+        jsr VDCWriteReg         ; ... fill them NOW!
+
+@L3:    pla
+        sta X1+1
+        pla
+        sta X1
 
 ; End of horizontal line code
 
-	inc	Y1
-	bne	@L4
-	inc	Y1+1
-@L4:	lda	Y1
-	cmp	Y2
-	bne	@L5
-	lda	Y1+1
-	cmp	Y2+1
-	bne	@L5
-	rts
+        inc     Y1
+        bne     @L4
+        inc     Y1+1
+@L4:    lda     Y1
+        cmp     Y2
+        bne     @L5
+        lda     Y1+1
+        cmp     Y2+1
+        bne     @L5
+        rts
 
-@L5:	jmp	HORLINE
+@L5:    jmp     HORLINE
 
 
 ; ------------------------------------------------------------------------
@@ -695,98 +695,98 @@ OUTTEXT:
 ;> ADDR - address of card
 ;> X - bit number (X1 & 7)
 CALC:
-	lda	Y1
-	pha
-	lda	Y1+1
-	pha
-	lsr
-	ror	Y1		; Y=Y/2
-	sta	Y1+1
-	sta	ADDR+1
-	lda	Y1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1		; Y*4
-	clc
-	adc	Y1
-	sta	ADDR
-	lda	Y1+1
-	adc	ADDR+1
-	sta	ADDR+1		; Y*4+Y=Y*5
-	lda	ADDR
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	asl
-	rol	ADDR+1
-	sta	ADDR		; Y*5*16=Y*80
-	lda	X1+1
-	sta	TEMP
-	lda	X1
-	lsr	TEMP
-	ror
-	lsr	TEMP
-	ror
-	lsr	TEMP
-	ror
-	clc
-	adc	ADDR
-	sta	ADDR
-	lda	ADDR+1		; ADDR = Y*80+x/8
-	adc	TEMP
-	sta	ADDR+1
-	pla
-	sta	Y1+1
-	pla
-	sta	Y1
-	and	#1
-	beq	@even		; even line - no offset
-	lda	ADDR
-	clc
-	adc	#<21360
-	sta	ADDR
-	lda	ADDR+1
-	adc	#>21360
-	sta	ADDR+1		; odd lines are 21360 bytes farther
-@even:	lda	X1
-	and	#7
-	tax
-	rts
+        lda     Y1
+        pha
+        lda     Y1+1
+        pha
+        lsr
+        ror     Y1              ; Y=Y/2
+        sta     Y1+1
+        sta     ADDR+1
+        lda     Y1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1          ; Y*4
+        clc
+        adc     Y1
+        sta     ADDR
+        lda     Y1+1
+        adc     ADDR+1
+        sta     ADDR+1          ; Y*4+Y=Y*5
+        lda     ADDR
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        asl
+        rol     ADDR+1
+        sta     ADDR            ; Y*5*16=Y*80
+        lda     X1+1
+        sta     TEMP
+        lda     X1
+        lsr     TEMP
+        ror
+        lsr     TEMP
+        ror
+        lsr     TEMP
+        ror
+        clc
+        adc     ADDR
+        sta     ADDR
+        lda     ADDR+1          ; ADDR = Y*80+x/8
+        adc     TEMP
+        sta     ADDR+1
+        pla
+        sta     Y1+1
+        pla
+        sta     Y1
+        and     #1
+        beq     @even           ; even line - no offset
+        lda     ADDR
+        clc
+        adc     #<21360
+        sta     ADDR
+        lda     ADDR+1
+        adc     #>21360
+        sta     ADDR+1          ; odd lines are 21360 bytes farther
+@even:  lda     X1
+        and     #7
+        tax
+        rts
 
 ;-------------
 ; VDC helpers
 
 VDCSetSourceAddr:
-	pha
-	tya
-	ldx	#VDC_DATA_HI
-	jsr	VDCWriteReg
-	pla
-	ldx	#VDC_DATA_LO
-	bne	VDCWriteReg
+        pha
+        tya
+        ldx     #VDC_DATA_HI
+        jsr     VDCWriteReg
+        pla
+        ldx     #VDC_DATA_LO
+        bne     VDCWriteReg
 
 VDCReadByte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 VDCReadReg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	lda	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        lda     VDC_DATA_REG
+        rts
 
 VDCWriteByte:
-	ldx	#VDC_DATA
+        ldx     #VDC_DATA
 VDCWriteReg:
-	stx	VDC_ADDR_REG
-@L0:	bit	VDC_ADDR_REG
-	bpl	@L0
-	sta	VDC_DATA_REG
-	rts
+        stx     VDC_ADDR_REG
+@L0:    bit     VDC_ADDR_REG
+        bpl     @L0
+        sta     VDC_DATA_REG
+        rts
 
 ; ------------------------------------------------------------------------
 
-	.include     	"../../tgi/tgidrv_line.inc"
+        .include        "../../tgi/tgidrv_line.inc"
diff --git a/libsrc/c128/tgi_colors.s b/libsrc/c128/tgi_colors.s
index 4dab483e2..6ef3729b4 100644
--- a/libsrc/c128/tgi_colors.s
+++ b/libsrc/c128/tgi_colors.s
@@ -2,7 +2,7 @@
 ; Target-specific black & white values for use by the target-shared TGI kernel
 ;
 
-	.include	"tgi-kernel.inc"
+        .include        "tgi-kernel.inc"
 
-	.export		tgi_color_black:zp = $00
-	.export		tgi_color_white:zp = $01
+        .export         tgi_color_black:zp = $00
+        .export         tgi_color_white:zp = $01
diff --git a/libsrc/c128/tgi_stat_stddrv.s b/libsrc/c128/tgi_stat_stddrv.s
index e6c2874d3..62f515d4e 100644
--- a/libsrc/c128/tgi_stat_stddrv.s
+++ b/libsrc/c128/tgi_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void tgi_static_stddrv[];
 ;
 
-        .export	_tgi_static_stddrv
-        .import	_c128_vdc_tgi
+        .export _tgi_static_stddrv
+        .import _c128_vdc_tgi
 
 .rodata
 
diff --git a/libsrc/c128/tgi_stddrv.s b/libsrc/c128/tgi_stddrv.s
index 70dadde67..6efd0854f 100644
--- a/libsrc/c128/tgi_stddrv.s
+++ b/libsrc/c128/tgi_stddrv.s
@@ -6,8 +6,8 @@
 ; const char tgi_stddrv[];
 ;
 
-        .export	_tgi_stddrv
+        .export _tgi_stddrv
 
 .rodata
 
-_tgi_stddrv:	.asciiz	"c128-vdc.tgi"
+_tgi_stddrv:    .asciiz "c128-vdc.tgi"
diff --git a/libsrc/c128/toggle_videomode.s b/libsrc/c128/toggle_videomode.s
index a94e416ee..e09a16cab 100644
--- a/libsrc/c128/toggle_videomode.s
+++ b/libsrc/c128/toggle_videomode.s
@@ -5,7 +5,7 @@
 ; /* Toggle the video mode between 40 and 80 chars (calls SWAPPER) */
 ;
 
-	.export		_toggle_videomode
+        .export         _toggle_videomode
         .import         SWAPPER, BSOUT
 
 ; This function is deprecated
@@ -16,8 +16,8 @@
 .proc   _toggle_videomode
 
         jsr     SWAPPER                 ; Toggle the mode
- 	lda     #14
- 	jmp     BSOUT                   ; Switch to lower case chars
+        lda     #14
+        jmp     BSOUT                   ; Switch to lower case chars
 
 .endproc
 
diff --git a/libsrc/c128/videomode.s b/libsrc/c128/videomode.s
index d07df5160..dc7df0fc2 100644
--- a/libsrc/c128/videomode.s
+++ b/libsrc/c128/videomode.s
@@ -5,7 +5,7 @@
 ; /* Set the video mode, return the old mode */
 ;
 
-	.export		_videomode
+        .export         _videomode
         .import         SWAPPER, BSOUT
 
         .include        "c128.inc"
@@ -20,8 +20,8 @@
         pha                             ; ... and save it
 
         jsr     SWAPPER                 ; Toggle the mode
- 	lda     #14
-       	jsr     BSOUT                   ; Switch to lower case chars
+        lda     #14
+        jsr     BSOUT                   ; Switch to lower case chars
 
         pla                             ; Get old mode into A
 
diff --git a/libsrc/c16/_scrsize.s b/libsrc/c16/_scrsize.s
index c0a746198..57ad4f30f 100644
--- a/libsrc/c16/_scrsize.s
+++ b/libsrc/c16/_scrsize.s
@@ -4,7 +4,7 @@
 ; Screen size variables
 ;
 
-	.export		screensize
+        .export         screensize
         .import         SCREEN
 
 screensize      = SCREEN
diff --git a/libsrc/c16/break.s b/libsrc/c16/break.s
index c51cc4b07..e143ac6d5 100644
--- a/libsrc/c16/break.s
+++ b/libsrc/c16/break.s
@@ -5,65 +5,65 @@
 ; void reset_brk (void);
 ;
 
-       	.export	   	_set_brk, _reset_brk
-	.destructor	_reset_brk
-	.export	       	_brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
+        .export         _set_brk, _reset_brk
+        .destructor     _reset_brk
+        .export         _brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
 
-	.include      	"plus4.inc"
+        .include        "plus4.inc"
 
 
 .bss
-_brk_a:		.res	1
-_brk_x:		.res   	1
-_brk_y:		.res   	1
-_brk_sr:	.res	1
-_brk_pc:	.res	2
+_brk_a:         .res    1
+_brk_x:         .res    1
+_brk_y:         .res    1
+_brk_sr:        .res    1
+_brk_pc:        .res    2
 
-oldvec:       	.res	2   		; Old vector
+oldvec:         .res    2               ; Old vector
 
 
 .data
-uservec:    	jmp	$FFFF		; Patched at runtime
+uservec:        jmp     $FFFF           ; Patched at runtime
 
 
 .code
 
 ; Set the break vector
-.proc	_set_brk
+.proc   _set_brk
 
-	sta	uservec+1
-  	stx	uservec+2 	; Set the user vector
+        sta     uservec+1
+        stx     uservec+2       ; Set the user vector
 
-	lda	oldvec
-	ora	oldvec+1	; Did we save the vector already?
-       	bne	L1		; Jump if we installed the handler already
+        lda     oldvec
+        ora     oldvec+1        ; Did we save the vector already?
+        bne     L1              ; Jump if we installed the handler already
 
-	lda	BRKVec
- 	sta    	oldvec
- 	lda 	BRKVec+1
- 	sta	oldvec+1	; Save the old vector
+        lda     BRKVec
+        sta     oldvec
+        lda     BRKVec+1
+        sta     oldvec+1        ; Save the old vector
 
-L1:	lda	#brk_handler
-	sta	BRKVec
-	stx	BRKVec+1
-	rts
+L1:     lda     #brk_handler
+        sta     BRKVec
+        stx     BRKVec+1
+        rts
 
 .endproc
 
 
 ; Reset the break vector
-.proc	_reset_brk
-
-	lda  	oldvec
-	ldx  	oldvec+1
-	beq  	@L9		; Jump if vector not installed
-	sta    	BRKVec
-	stx  	BRKVec+1
-	lda	#$00
-	sta	oldvec		; Clear the old vector
-	stx	oldvec+1
-@L9:	rts
+.proc   _reset_brk
+
+        lda     oldvec
+        ldx     oldvec+1
+        beq     @L9             ; Jump if vector not installed
+        sta     BRKVec
+        stx     BRKVec+1
+        lda     #$00
+        sta     oldvec          ; Clear the old vector
+        stx     oldvec+1
+@L9:    rts
 
 .endproc
 
@@ -71,37 +71,37 @@ L1:	lda	#BASE                  ; Low 32 K are used
         bcc     nomem
@@ -104,17 +104,17 @@ PAGECOUNT:
 ; by the driver.
 ;
 
-MAP:    sta     curpage			; Remember the new page
+MAP:    sta     curpage                 ; Remember the new page
 
         add     #>BASE
-        sta	ptr1+1
-        ldy	#$00
-        sty    	ptr1
+        sta     ptr1+1
+        ldy     #$00
+        sty     ptr1
 
-        lda	#window
-        sta	ptr2+1
+        lda     #window
+        sta     ptr2+1
 
 ; Transfer one page
 
@@ -137,18 +137,18 @@ USE:    sta     curpage                 ; Remember the page
 ; ------------------------------------------------------------------------
 ; COMMIT: Commit changes in the memory window to extended storage.
 
-COMMIT: lda     curpage			; Get the current page
+COMMIT: lda     curpage                 ; Get the current page
         bmi     done                    ; Jump if no page mapped
 
         add     #>BASE
-        sta	ptr2+1
-        ldy	#$00
-        sty    	ptr2
+        sta     ptr2+1
+        ldy     #$00
+        sty     ptr2
 
-        lda	#window
-        sta	ptr1+1
+        lda     #window
+        sta     ptr1+1
 
 ; Transfer one page. Y must be zero on entry. Because we bank out the
 ; kernal, we will run the routine with interrupts disabled but leave
@@ -158,11 +158,11 @@ transfer:
         sei
         sta     ENABLE_RAM
 
-	.repeat	8
-        lda	(ptr1),y
-        sta	(ptr2),y
+        .repeat 8
+        lda     (ptr1),y
+        sta     (ptr2),y
         iny
-	.endrepeat
+        .endrepeat
 
         sta     ENABLE_ROM
         cli
@@ -225,8 +225,8 @@ common: ldy     #EM_COPY::COUNT+1
 ; Transfer the bytes in the last page
 
         ldy     #$00
-@L3:    lda	(ptr1),y
-        sta	(ptr2),y
+@L3:    lda     (ptr1),y
+        sta     (ptr2),y
         iny
         dex
         bne     @L3
diff --git a/libsrc/c16/get_tv.s b/libsrc/c16/get_tv.s
index 84f09b12c..f6d82a351 100644
--- a/libsrc/c16/get_tv.s
+++ b/libsrc/c16/get_tv.s
@@ -6,7 +6,7 @@
 ;
 
         .include        "plus4.inc"
-	.include	"get_tv.inc"
+        .include        "get_tv.inc"
 
 
 ;--------------------------------------------------------------------------
@@ -14,7 +14,7 @@
 
 .proc   _get_tv
 
-        ldx     #TV::PAL	; Assume PAL
+        ldx     #TV::PAL        ; Assume PAL
         bit     TED_MULTI1      ; Test bit 6
         bvc     pal
         dex                     ; NTSC
diff --git a/libsrc/c16/irq.s b/libsrc/c16/irq.s
index 224f5745d..46dd75fe8 100644
--- a/libsrc/c16/irq.s
+++ b/libsrc/c16/irq.s
@@ -2,48 +2,48 @@
 ; IRQ handling (C16 version)
 ;
 
-	.export		initirq, doneirq
-	.import		callirq
+        .export         initirq, doneirq
+        .import         callirq
 
-	.include	"plus4.inc"
+        .include        "plus4.inc"
 
 ; ------------------------------------------------------------------------
 
-.segment	"INIT"
+.segment        "INIT"
 
 initirq:
-	lda	IRQVec
-	ldx	IRQVec+1
-	sta	IRQInd+1
-	stx	IRQInd+2
-	lda	#IRQStub
-	jmp	setvec
+        lda     IRQVec
+        ldx     IRQVec+1
+        sta     IRQInd+1
+        stx     IRQInd+2
+        lda     #IRQStub
+        jmp     setvec
 
 ; ------------------------------------------------------------------------
 
 .code
 
 doneirq:
-	lda	IRQInd+1
-	ldx	IRQInd+2
-setvec:	sei
-	sta	IRQVec
-	stx	IRQVec+1
-	cli
-	rts
+        lda     IRQInd+1
+        ldx     IRQInd+2
+setvec: sei
+        sta     IRQVec
+        stx     IRQVec+1
+        cli
+        rts
 
 ; ------------------------------------------------------------------------
 
-.segment	"LOWCODE"
+.segment        "LOWCODE"
 
 IRQStub:
-	cld				; Just to be sure
-	jsr	callirq			; Call the functions
-	jmp	IRQInd			; Jump to the saved IRQ vector
+        cld                             ; Just to be sure
+        jsr     callirq                 ; Call the functions
+        jmp     IRQInd                  ; Jump to the saved IRQ vector
 
 ; ------------------------------------------------------------------------
 
 .data
 
-IRQInd:	jmp	$0000
+IRQInd: jmp     $0000
diff --git a/libsrc/c16/joy/c16-stdjoy.s b/libsrc/c16/joy/c16-stdjoy.s
index a448f30e8..54ba47e19 100644
--- a/libsrc/c16/joy/c16-stdjoy.s
+++ b/libsrc/c16/joy/c16-stdjoy.s
@@ -5,5 +5,5 @@
 ; Ullrich von Bassewitz, 2002-12-21
 ;
 
-	.include	"../../plus4/joy/plus4-stdjoy.s"
+        .include        "../../plus4/joy/plus4-stdjoy.s"
 
diff --git a/libsrc/c16/joy_stat_stddrv.s b/libsrc/c16/joy_stat_stddrv.s
index 68d67403d..2dea36be6 100644
--- a/libsrc/c16/joy_stat_stddrv.s
+++ b/libsrc/c16/joy_stat_stddrv.s
@@ -6,8 +6,8 @@
 ; const void joy_static_stddrv[];
 ;
 
-        .export	_joy_static_stddrv
-        .import	_c16_stdjoy_joy
+        .export _joy_static_stddrv
+        .import _c16_stdjoy_joy
 
 .rodata
 
diff --git a/libsrc/c16/joy_stddrv.s b/libsrc/c16/joy_stddrv.s
index a55eefeb0..10aa8c63d 100644
--- a/libsrc/c16/joy_stddrv.s
+++ b/libsrc/c16/joy_stddrv.s
@@ -6,9 +6,9 @@
 ; const char joy_stddrv[];
 ;
 
-	.export	_joy_stddrv
+        .export _joy_stddrv
 
 .rodata
 
-_joy_stddrv:	.asciiz	"c16-stdjoy.joy"
+_joy_stddrv:    .asciiz "c16-stdjoy.joy"
 
diff --git a/libsrc/c16/kbhit.s b/libsrc/c16/kbhit.s
index f408c4e51..bb88beea8 100644
--- a/libsrc/c16/kbhit.s
+++ b/libsrc/c16/kbhit.s
@@ -4,16 +4,16 @@
 ; unsigned char kbhit (void);
 ;
 
-	.export		_kbhit
+        .export         _kbhit
 
-	.include	"plus4.inc"
+        .include        "plus4.inc"
 
 
 .proc   _kbhit
 
         ldx     #0              ; High byte of return is always zero
-	lda	KEY_COUNT	; Get number of characters
-	ora	FKEY_COUNT	; Or with number of chars from function keys
+        lda     KEY_COUNT       ; Get number of characters
+        ora     FKEY_COUNT      ; Or with number of chars from function keys
         beq     L9
         lda     #1
 L9:     rts
diff --git a/libsrc/c16/kclose.s b/libsrc/c16/kclose.s
index e957117c5..ef7004732 100644
--- a/libsrc/c16/kclose.s
+++ b/libsrc/c16/kclose.s
@@ -7,8 +7,8 @@
         .export         CLOSE
 
 .proc   CLOSE
- 	clc				; Force C64 compatible behaviour
-        jmp	$FFC3                   ; Call the ROM routine
+        clc                             ; Force C64 compatible behaviour
+        jmp     $FFC3                   ; Call the ROM routine
 .endproc
 
 
diff --git a/libsrc/c16/kernal.s b/libsrc/c16/kernal.s
index 376f82506..7ba27b62c 100644
--- a/libsrc/c16/kernal.s
+++ b/libsrc/c16/kernal.s
@@ -47,43 +47,43 @@
 ;-----------------------------------------------------------------------------
 ; All functions are available in the kernal jump table
 
-CINT		= $FF81
-IOINIT		= $FF84
-RAMTAS		= $FF87
-RESTOR		= $FF8A
-VECTOR		= $FF8D
-SETMSG		= $FF90
-SECOND		= $FF93
-TKSA		= $FF96
-MEMTOP		= $FF99
-MEMBOT		= $FF9C
-SCNKEY		= $FF9F
-SETTMO		= $FFA2
-ACPTR		= $FFA5
-CIOUT		= $FFA8
-UNTLK		= $FFAB
-UNLSN		= $FFAE
-LISTEN		= $FFB1
-TALK		= $FFB4
-READST		= $FFB7
-SETLFS		= $FFBA
-SETNAM		= $FFBD
-OPEN		= $FFC0
-;CLOSE		= $FFC3
-CHKIN		= $FFC6
-CKOUT		= $FFC9
-CLRCH		= $FFCC
-BASIN		= $FFCF
-BSOUT		= $FFD2
-LOAD		= $FFD5
-SAVE		= $FFD8
-SETTIM		= $FFDB
-RDTIM		= $FFDE
-STOP		= $FFE1
-GETIN		= $FFE4
-CLALL		= $FFE7
-UDTIM		= $FFEA
-SCREEN		= $FFED
-PLOT		= $FFF0
-IOBASE		= $FFF3
+CINT            = $FF81
+IOINIT          = $FF84
+RAMTAS          = $FF87
+RESTOR          = $FF8A
+VECTOR          = $FF8D
+SETMSG          = $FF90
+SECOND          = $FF93
+TKSA            = $FF96
+MEMTOP          = $FF99
+MEMBOT          = $FF9C
+SCNKEY          = $FF9F
+SETTMO          = $FFA2
+ACPTR           = $FFA5
+CIOUT           = $FFA8
+UNTLK           = $FFAB
+UNLSN           = $FFAE
+LISTEN          = $FFB1
+TALK            = $FFB4
+READST          = $FFB7
+SETLFS          = $FFBA
+SETNAM          = $FFBD
+OPEN            = $FFC0
+;CLOSE          = $FFC3
+CHKIN           = $FFC6
+CKOUT           = $FFC9
+CLRCH           = $FFCC
+BASIN           = $FFCF
+BSOUT           = $FFD2
+LOAD            = $FFD5
+SAVE            = $FFD8
+SETTIM          = $FFDB
+RDTIM           = $FFDE
+STOP            = $FFE1
+GETIN           = $FFE4
+CLALL           = $FFE7
+UDTIM           = $FFEA
+SCREEN          = $FFED
+PLOT            = $FFF0
+IOBASE          = $FFF3
 
diff --git a/libsrc/c16/mainargs.s b/libsrc/c16/mainargs.s
index 418bfe90f..0a402d27d 100644
--- a/libsrc/c16/mainargs.s
+++ b/libsrc/c16/mainargs.s
@@ -22,16 +22,16 @@
 ; - The "file-name" might be a path-name; don't copy the directory-components.
 ; - Add a control-character quoting mechanism.
 
-	.constructor	initmainargs, 24
-	.import		__argc, __argv
+        .constructor    initmainargs, 24
+        .import         __argc, __argv
 
-	.include	"plus4.inc"
+        .include        "plus4.inc"
 
 
 
-MAXARGS	 = 10                   ; Maximum number of arguments allowed
-REM	 = $8f		  	; BASIC token-code
-NAME_LEN = 16		  	; maximum length of command-name
+MAXARGS  = 10                   ; Maximum number of arguments allowed
+REM      = $8f                  ; BASIC token-code
+NAME_LEN = 16                   ; maximum length of command-name
 
 ; Get possible command-line arguments. Goes into the special INIT segment,
 ; which may be reused after the startup code is run
@@ -45,26 +45,26 @@ initmainargs:
 ; Because the buffer, that we're copying into, was zeroed out,
 ; we don't need to add a NUL character.
 ;
-	ldy	FNAM_LEN
-	cpy	#NAME_LEN + 1
-	bcc	L1
-	ldy	#NAME_LEN - 1	; limit the length
-L0:    	lda     #FNAM           ; Vector address
+        ldy     FNAM_LEN
+        cpy     #NAME_LEN + 1
+        bcc     L1
+        ldy     #NAME_LEN - 1   ; limit the length
+L0:     lda     #FNAM           ; Vector address
         jsr     FETCH           ; Load byte from RAM
-	sta	name,y
-L1:	dey
-	bpl	L0
-	inc	__argc	   	; argc always is equal to, at least, 1
+        sta     name,y
+L1:     dey
+        bpl     L0
+        inc     __argc          ; argc always is equal to, at least, 1
 
 ; Find the "rem" token.
 ;
-	ldx	#0
-L2:	lda	BASIC_BUF,x
-       	beq    	done   	       	; no "rem," no args.
-	inx
-	cmp	#REM
-	bne	L2
-	ldy	#1 * 2
+        ldx     #0
+L2:     lda     BASIC_BUF,x
+        beq     done            ; no "rem," no args.
+        inx
+        cmp     #REM
+        bne     L2
+        ldy     #1 * 2
 
 ; Find the next argument
 
@@ -90,11 +90,11 @@ setterm:sta     term            ; Set end of argument marker
 ; necessary.
 
         txa                     ; Get low byte
-	sta	argv,y		; argv[y]= &arg
-	iny
-	lda	#>BASIC_BUF
-	sta	argv,y
-	iny
+        sta     argv,y          ; argv[y]= &arg
+        iny
+        lda     #>BASIC_BUF
+        sta     argv,y
+        iny
         inc     __argc          ; Found another arg
 
 ; Search for the end of the argument
@@ -121,21 +121,21 @@ argloop:lda     BASIC_BUF,x
 
 ; (The last vector in argv[] already is NULL.)
 
-done:	lda	#argv
-	sta	__argv
-	stx	__argv + 1
-	rts
+done:   lda     #argv
+        sta     __argv
+        stx     __argv + 1
+        rts
 
 ; These arrays are zeroed before initmainargs is called.
-; char	name[16+1];
+; char  name[16+1];
 ; char* argv[MAXARGS+1]={name};
 ;
 .bss
-term:	.res	1
-name:	.res	NAME_LEN + 1
+term:   .res    1
+name:   .res    NAME_LEN + 1
 
 .data
 argv:   .addr   name
-        .res   	MAXARGS * 2
+        .res    MAXARGS * 2
 
diff --git a/libsrc/c16/randomize.s b/libsrc/c16/randomize.s
index e65fd4dab..903a0809a 100644
--- a/libsrc/c16/randomize.s
+++ b/libsrc/c16/randomize.s
@@ -5,10 +5,10 @@
 ; /* Initialize the random number generator */
 ;
 
-    	.export	       	__randomize
-	.import		_srand
+        .export         __randomize
+        .import         _srand
 
-	.include	"plus4.inc"
+        .include        "plus4.inc"
 
 __randomize:
         ldx     TED_VLINELO     ; Use TED rasterline as high byte
diff --git a/libsrc/c16/revers.s b/libsrc/c16/revers.s
index c48ff9862..f1c0b4d64 100644
--- a/libsrc/c16/revers.s
+++ b/libsrc/c16/revers.s
@@ -4,24 +4,24 @@
 ; unsigned char revers (unsigned char onoff);
 ;
 
-      	.export		_revers
+        .export         _revers
 
         .include        "plus4.inc"
 
 .proc   _revers
 
-	ldx    	#$00		; Assume revers off
-	tay			; Test onoff
-	beq	L1		; Jump if off
-	ldx	#$80		; Load on value
-        ldy	#$00		; Assume old value is zero
-L1:     lda    	RVS             ; Load old value
-	stx	RVS             ; Set new value
-	beq	L2		; Jump if old value zero
-	iny			; Make old value = 1
-L2:	ldx	#$00		; Load high byte of result
-	tya			; Load low byte, set CC
-	rts
+        ldx     #$00            ; Assume revers off
+        tay                     ; Test onoff
+        beq     L1              ; Jump if off
+        ldx     #$80            ; Load on value
+        ldy     #$00            ; Assume old value is zero
+L1:     lda     RVS             ; Load old value
+        stx     RVS             ; Set new value
+        beq     L2              ; Jump if old value zero
+        iny                     ; Make old value = 1
+L2:     ldx     #$00            ; Load high byte of result
+        tya                     ; Load low byte, set CC
+        rts
 
 .endproc
 
diff --git a/libsrc/c16/status.s b/libsrc/c16/status.s
index 3620c9107..c6f279230 100644
--- a/libsrc/c16/status.s
+++ b/libsrc/c16/status.s
@@ -2,4 +2,4 @@
 ; Oliver Schmidt, 2012-09-30
 ;
 
-	.exportzp	ST := $90	; IEC status byte
+        .exportzp       ST := $90       ; IEC status byte
diff --git a/libsrc/c16/systime.s b/libsrc/c16/systime.s
index 1d039e80e..d22b8c596 100644
--- a/libsrc/c16/systime.s
+++ b/libsrc/c16/systime.s
@@ -9,7 +9,7 @@
 ;  */
 ;
 
-	.export		__systime
+        .export         __systime
 
         .importzp       sreg
 
diff --git a/libsrc/c64/_scrsize.s b/libsrc/c64/_scrsize.s
index c0a746198..57ad4f30f 100644
--- a/libsrc/c64/_scrsize.s
+++ b/libsrc/c64/_scrsize.s
@@ -4,7 +4,7 @@
 ; Screen size variables
 ;
 
-	.export		screensize
+        .export         screensize
         .import         SCREEN
 
 screensize      = SCREEN
diff --git a/libsrc/c64/break.s b/libsrc/c64/break.s
index 76315b7b9..1c44c59a0 100644
--- a/libsrc/c64/break.s
+++ b/libsrc/c64/break.s
@@ -5,65 +5,65 @@
 ; void reset_brk (void);
 ;
 
-       	.export	   	_set_brk, _reset_brk
-	.destructor	_reset_brk
-       	.export	       	_brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
+        .export         _set_brk, _reset_brk
+        .destructor     _reset_brk
+        .export         _brk_a, _brk_x, _brk_y, _brk_sr, _brk_pc
 
-	.include   	"c64.inc"
+        .include        "c64.inc"
 
 
 .bss
-_brk_a:	     	.res	1
-_brk_x:	     	.res   	1
-_brk_y:	     	.res   	1
-_brk_sr:     	.res	1
-_brk_pc:     	.res	2
+_brk_a:         .res    1
+_brk_x:         .res    1
+_brk_y:         .res    1
+_brk_sr:        .res    1
+_brk_pc:        .res    2
 
-oldvec:       	.res	2   		; Old vector
+oldvec:         .res    2               ; Old vector
 
 
 .data
-uservec:     	jmp	$FFFF		; Patched at runtime
+uservec:        jmp     $FFFF           ; Patched at runtime
 
 
 .code
 
 ; Set the break vector
-.proc	_set_brk
+.proc   _set_brk
 
-	sta  	uservec+1
-  	stx  	uservec+2 	; Set the user vector
+        sta     uservec+1
+        stx     uservec+2       ; Set the user vector
 
-	lda  	oldvec
-	ora  	oldvec+1	; Did we save the vector already?
-       	bne  	L1		; Jump if we installed the handler already
+        lda     oldvec
+        ora     oldvec+1        ; Did we save the vector already?
+        bne     L1              ; Jump if we installed the handler already
 
-	lda  	BRKVec
- 	sta    	oldvec
- 	lda  	BRKVec+1
- 	sta  	oldvec+1	; Save the old vector
+        lda     BRKVec
+        sta     oldvec
+        lda     BRKVec+1
+        sta     oldvec+1        ; Save the old vector
 
-L1:	lda  	#brk_handler
-	sta  	BRKVec
-	stx  	BRKVec+1
-	rts
+L1:     lda     #brk_handler
+        sta     BRKVec
+        stx     BRKVec+1
+        rts
 
 .endproc
 
 
 ; Reset the break vector
-.proc	_reset_brk
-
-	lda  	oldvec
-	ldx  	oldvec+1
-	beq  	@L9		; Jump if vector not installed
-	sta    	BRKVec
-	stx  	BRKVec+1
-	lda	#$00
-	sta	oldvec		; Clear the old vector
-	stx	oldvec+1
-@L9:	rts
+.proc   _reset_brk
+
+        lda     oldvec
+        ldx     oldvec+1
+        beq     @L9             ; Jump if vector not installed
+        sta     BRKVec
+        stx     BRKVec+1
+        lda     #$00
+        sta     oldvec          ; Clear the old vector
+        stx     oldvec+1
+@L9:    rts
 
 .endproc
 
@@ -71,37 +71,37 @@ L1:	lda  	#(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-	sta	sp+1		; Set argument stack ptr
+        lda     #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp
+        lda     #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp+1            ; Set argument stack ptr
 
 ; Call module constructors
 
-	jsr	initlib
+        jsr     initlib
 
 ; Push arguments and call main
 
-	jsr	callmain
+        jsr     callmain
 
 ; Back from main (This is also the _exit entry). Run module destructors
 
-_exit:	pha			; Save the return code on stack
-	jsr	donelib
+_exit:  pha                     ; Save the return code on stack
+        jsr     donelib
 
 ; Copy back the zero page stuff
 
-	ldx	#zpspace-1
-L2:	lda	zpsave,x
-	sta	sp,x
-	dex
-	bpl	L2
+        ldx     #zpspace-1
+L2:     lda     zpsave,x
+        sta     sp,x
+        dex
+        bpl     L2
 
 ; Place the program return code into ST
 
-	pla
-	sta	ST
+        pla
+        sta     ST
 
 ; Restore system stuff
 
-	ldx	spsave
-	txs			; Restore stack pointer
-	ldx	mmusave
-	stx	$01		; Restore memory configuration
+        ldx     spsave
+        txs                     ; Restore stack pointer
+        ldx     mmusave
+        stx     $01             ; Restore memory configuration
 
 ; Back to basic
 
-	rts
+        rts
 
 ; ------------------------------------------------------------------------
 ; Data
 
-.segment	"ZPSAVE"
+.segment        "ZPSAVE"
 
-zpsave:	.res	zpspace
+zpsave: .res    zpspace
 
 .bss
 
-spsave:	.res	1
-mmusave:.res	1
+spsave: .res    1
+mmusave:.res    1
diff --git a/libsrc/c64/devnum.s b/libsrc/c64/devnum.s
index e7b5f94b2..33c0461bc 100644
--- a/libsrc/c64/devnum.s
+++ b/libsrc/c64/devnum.s
@@ -2,6 +2,6 @@
 ; Oliver Schmidt, 2010-02-14
 ;
 
-	.include	"c64.inc"
+        .include        "c64.inc"
 
-	.exportzp	devnum := DEVNUM
+        .exportzp       devnum := DEVNUM
diff --git a/libsrc/c64/emd/c64-c256k.s b/libsrc/c64/emd/c64-c256k.s
index ed8bf7732..f559bf7f3 100644
--- a/libsrc/c64/emd/c64-c256k.s
+++ b/libsrc/c64/emd/c64-c256k.s
@@ -3,13 +3,13 @@
 ; Marco van den Heuvel, 2010-01-27
 ;
 
-        .include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-        .include	"em-kernel.inc"
-        .include	"em-error.inc"
+        .include        "em-kernel.inc"
+        .include        "em-error.inc"
 
 
-        .macpack	generic
+        .macpack        generic
 
 
 ; ------------------------------------------------------------------------
@@ -19,19 +19,19 @@
 
 ; Driver signature
 
-        .byte	$65, $6d, $64		; "emd"
-        .byte	EMD_API_VERSION		; EM API version number
+        .byte   $65, $6d, $64           ; "emd"
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
-        .word	INSTALL
-        .word	UNINSTALL
-        .word	PAGECOUNT
-        .word	MAP
-        .word	USE
-        .word	COMMIT
-        .word	COPYFROM
-        .word	COPYTO
+        .word   INSTALL
+        .word   UNINSTALL
+        .word   PAGECOUNT
+        .word   MAP
+        .word   USE
+        .word   COMMIT
+        .word   COPYFROM
+        .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
@@ -96,13 +96,13 @@ done:   stx     $01
 
 .bss
 
-curpage:        .res   	2       ; Current page number
-curbank:        .res	1	; Current bank
-window:         .res   	256    	; Memory "window"
+curpage:        .res    2       ; Current page number
+curbank:        .res    1       ; Current bank
+window:         .res    256     ; Memory "window"
 
 ; Since the functions above are copied to $200, the current contents of this
 ; memory area must be saved into backup storage. Allocate enough space.
-backup:         .res   	.max (.sizeof (copy), .sizeof (check))
+backup:         .res    .max (.sizeof (copy), .sizeof (check))
 
 
 
@@ -115,52 +115,52 @@ backup:         .res   	.max (.sizeof (copy), .sizeof (check))
 ;
 
 INSTALL:
-        lda	PIA+1		; Select Peripheral Registers
-        ora	#4
-        sta	PIA+1
+        lda     PIA+1           ; Select Peripheral Registers
+        ora     #4
+        sta     PIA+1
         tax
-        lda	PIA+3
-        ora	#4
-        sta	PIA+3
+        lda     PIA+3
+        ora     #4
+        sta     PIA+3
         tay
 
-        lda	#$DC		; Set the default memory bank data
-        sta	PIA
-        lda	#$FE
-        sta	PIA+2
+        lda     #$DC            ; Set the default memory bank data
+        sta     PIA
+        lda     #$FE
+        sta     PIA+2
 
-        txa			; Select Data Direction Registers
-        and	#$FB
-        sta	PIA+1
+        txa                     ; Select Data Direction Registers
+        and     #$FB
+        sta     PIA+1
         tya
-        and	#$FB
-        sta	PIA+3
+        and     #$FB
+        sta     PIA+3
 
-        lda	#$FF		; Set the ports to output
-        sta	PIA
-        sta	PIA+2
+        lda     #$FF            ; Set the ports to output
+        sta     PIA
+        sta     PIA+2
 
         txa
-        and	#$C7
-        ora	#$30		; Set CA1 and
-        sta	PIA+1		; select Peripheral Registers
-        sty	PIA+3
+        and     #$C7
+        ora     #$30            ; Set CA1 and
+        sta     PIA+1           ; select Peripheral Registers
+        sty     PIA+3
 
-        jsr	backup_and_setup_check_routine
-        jsr	check::entry
+        jsr     backup_and_setup_check_routine
+        jsr     check::entry
         cli
-        ldx	#.sizeof (check) - 1
-        jsr	restore_data
-        cpy	#$01
-        beq	@present
-        lda	#EM_ERR_NO_DEVICE
+        ldx     #.sizeof (check) - 1
+        jsr     restore_data
+        cpy     #$01
+        beq     @present
+        lda     #EM_ERR_NO_DEVICE
         rts
 
 @present:
-        lda	#EM_ERR_OK
-;       rts		  	; Run into UNINSTALL instead
+        lda     #EM_ERR_OK
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -176,8 +176,8 @@ UNINSTALL:
 ;
 
 PAGECOUNT:
-        lda	#PAGES
+        lda     #PAGES
         rts
 
 ; ------------------------------------------------------------------------
@@ -188,41 +188,41 @@ PAGECOUNT:
 
 MAP:
         sei
-        sta	curpage	  	; Remember the new page
-        stx	curpage+1
-        jsr	adjust_page_and_bank
-        stx	curbank
+        sta     curpage         ; Remember the new page
+        stx     curpage+1
+        jsr     adjust_page_and_bank
+        stx     curbank
         clc
-        adc	#>BASE
-        sta	ptr1+1
-        ldy	#0
-        sty	ptr1
-        jsr	backup_and_setup_copy_routine
-        ldx	#BASE
+        sta     ptr1+1
+        ldy     #0
+        sty     ptr1
+        jsr     backup_and_setup_copy_routine
+        ldx     #window      		; Return the window address
+        jsr     restore_copy_routine
+        lda     #window                ; Return the window address
         cli
         rts
 
 ; ------------------------------------------------------------------------
 ; USE: Tell the driver that the window is now associated with a given page.
 
-USE:    sta	curpage	      	; Remember the page
-        stx	curpage+1
-        lda	#window      		; Return the window
+USE:    sta     curpage         ; Remember the page
+        stx     curpage+1
+        lda     #window                ; Return the window
         rts
 
 ; ------------------------------------------------------------------------
@@ -230,32 +230,32 @@ USE:    sta	curpage	      	; Remember the page
 
 COMMIT:
         sei
-        lda	curpage	      	; Get the current page
-        ldx	curpage+1
+        lda     curpage         ; Get the current page
+        ldx     curpage+1
 
-        jsr	adjust_page_and_bank
-        stx	curbank
+        jsr     adjust_page_and_bank
+        stx     curbank
         clc
-        adc	#>BASE
-        sta	ptr1+1
-        ldy	#0
-        sty	ptr1
-        jsr	backup_and_setup_copy_routine
-        ldx	#BASE
+        sta     ptr1+1
+        ldy     #0
+        sty     ptr1
+        jsr     backup_and_setup_copy_routine
+        ldx     #BASE
-        sta	ptr4+1
-        lda	tmp2
+        inc     ptr4+1
+        lda     ptr4+1
+        cmp     #$80
+        bne     @L3
+        lda     #>BASE
+        sta     ptr4+1
+        lda     tmp2
         clc
-        adc	#$10
-        sta	tmp2
-        jmp	@L3
+        adc     #$10
+        sta     tmp2
+        jmp     @L3
 
 ; ------------------------------------------------------------------------
 ; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -332,8 +332,8 @@ COPYFROM:
 
 COPYTO:
         sei
-        jsr	setup
-        jsr	backup_and_setup_copy_routine
+        jsr     setup
+        jsr     backup_and_setup_copy_routine
 
 ; Setup is:
 ;
@@ -344,101 +344,101 @@ COPYTO:
 ;   - tmp1 contains zero (to be used for linear memory buffer offset)
 ;   - tmp2 contains the bank value
 
-        lda	#BASE
-        sta  	ptr4+1
-        lda  	tmp2
+        bne     @L3
+        lda     #>BASE
+        sta     ptr4+1
+        lda     tmp2
         clc
-        adc  	#$10
-        sta  	tmp2
-        jmp  	@L3
+        adc     #$10
+        sta     tmp2
+        jmp     @L3
 
 ; ------------------------------------------------------------------------
 ; Helper function for COPYFROM and COPYTO: Store the pointer to the request
 ; structure and prepare data for the copy
 
 setup:
-        sta	ptr1
-        stx	ptr1+1	      				; Save passed pointer
+        sta     ptr1
+        stx     ptr1+1                                  ; Save passed pointer
 
 ; Get the page number from the struct and adjust it so that it may be used
 ; with the hardware. That is: ptr4 has the page address and page offset
 ; tmp2 will hold the bank value
 
-        ldy	#EM_COPY::PAGE+1
-        lda	(ptr1),y
+        ldy     #EM_COPY::PAGE+1
+        lda     (ptr1),y
         tax
-        ldy	#EM_COPY::PAGE
-        lda	(ptr1),y
-        jsr	adjust_page_and_bank
+        ldy     #EM_COPY::PAGE
+        lda     (ptr1),y
+        jsr     adjust_page_and_bank
         clc
-        adc	#>BASE
-        sta	ptr4+1
-        stx	tmp2
+        adc     #>BASE
+        sta     ptr4+1
+        stx     tmp2
 
 ; Get the buffer pointer into ptr2
 
-        ldy	#EM_COPY::BUF
-        lda	(ptr1),y
-        sta	ptr2
+        ldy     #EM_COPY::BUF
+        lda     (ptr1),y
+        sta     ptr2
         iny
-        lda	(ptr1),y
-        sta	ptr2+1
+        lda     (ptr1),y
+        sta     ptr2+1
 
 ; Get the count, calculate -(count-1) and store it into ptr3
 
-        ldy	#EM_COPY::COUNT
-        lda	(ptr1),y
-        eor	#$FF
-        sta	ptr3
+        ldy     #EM_COPY::COUNT
+        lda     (ptr1),y
+        eor     #$FF
+        sta     ptr3
         iny
-        lda	(ptr1),y
-        eor	#$FF
-        sta	ptr3+1
+        lda     (ptr1),y
+        eor     #$FF
+        sta     ptr3+1
 
 ; Get the page offset into ptr4 and clear tmp1
 
-        ldy	#EM_COPY::OFFS
-        lda	(ptr1),y
-        sta	ptr4
-        lda	#0
-        sta	tmp1
+        ldy     #EM_COPY::OFFS
+        lda     (ptr1),y
+        sta     ptr4
+        lda     #0
+        sta     tmp1
 
 ; Done
 
@@ -447,47 +447,47 @@ setup:
 ; Helper routines for copying to and from the +256k ram
 
 backup_and_setup_copy_routine:
-        ldx	#.sizeof (copy) - 1
+        ldx     #.sizeof (copy) - 1
 @L1:
-        lda    	copy::entry,x
-        sta	backup,x
-        lda	copy::template,x
-        sta	copy::entry,x
+        lda     copy::entry,x
+        sta     backup,x
+        lda     copy::template,x
+        sta     copy::entry,x
         dex
-        bpl	@L1
+        bpl     @L1
         rts
 
 backup_and_setup_check_routine:
-        ldx	#.sizeof (check) - 1
+        ldx     #.sizeof (check) - 1
 @L1:
-        lda	check::entry,x
-        sta	backup,x
-        lda	check::template,x
-        sta	check::entry,x
+        lda     check::entry,x
+        sta     backup,x
+        lda     check::template,x
+        sta     check::entry,x
         dex
-        bpl	@L1
+        bpl     @L1
         rts
 
 restore_copy_routine:
-        ldx	#.sizeof (copy) - 1
+        ldx     #.sizeof (copy) - 1
 restore_data:
-        lda	backup,x
-        sta	TARGETLOC,x
+        lda     backup,x
+        sta     TARGETLOC,x
         dex
-        bpl	restore_data
+        bpl     restore_data
         rts
 
 ; Helper routine to correct for the bank and page
 adjust_page_and_bank:
-        sta	tmp4
-        lda	#$0C
+        sta     tmp4
+        lda     #$0C
         sta     tmp3
-        lda	tmp4
-        and	#$c0
+        lda     tmp4
+        and     #$c0
         lsr
         lsr
-        ora	tmp3
-        sta	tmp3
+        ora     tmp3
+        sta     tmp3
         txa
         asl
         asl
@@ -495,8 +495,8 @@ adjust_page_and_bank:
         asl
         asl
         asl
-        ora	tmp3
+        ora     tmp3
         tax
-        lda	tmp4
-        and	#$3f
+        lda     tmp4
+        and     #$3f
         rts
diff --git a/libsrc/c64/emd/c64-dqbb.s b/libsrc/c64/emd/c64-dqbb.s
index 3f581e11a..fcfeaeb9b 100644
--- a/libsrc/c64/emd/c64-dqbb.s
+++ b/libsrc/c64/emd/c64-dqbb.s
@@ -3,13 +3,13 @@
 ; Marco van den Heuvel, 2010-01-27
 ;
 
-        .include	"zeropage.inc"
+        .include        "zeropage.inc"
 
-        .include	"em-kernel.inc"
-        .include	"em-error.inc"
+        .include        "em-kernel.inc"
+        .include        "em-error.inc"
 
 
-        .macpack	generic
+        .macpack        generic
 
 
 ; ------------------------------------------------------------------------
@@ -19,19 +19,19 @@
 
 ; Driver signature
 
-        .byte	$65, $6d, $64		; "emd"
-        .byte	EMD_API_VERSION		; EM API version number
+        .byte   $65, $6d, $64           ; "emd"
+        .byte   EMD_API_VERSION         ; EM API version number
 
 ; Jump table.
 
-        .word	INSTALL
-        .word	UNINSTALL
-        .word	PAGECOUNT
-        .word	MAP
-        .word	USE
-        .word	COMMIT
-        .word	COPYFROM
-        .word	COPYTO
+        .word   INSTALL
+        .word   UNINSTALL
+        .word   PAGECOUNT
+        .word   MAP
+        .word   USE
+        .word   COMMIT
+        .word   COPYFROM
+        .word   COPYTO
 
 ; ------------------------------------------------------------------------
 ; Constants
@@ -115,12 +115,12 @@ address         := *+1          ; Patched at runtime
 
 .bss
 
-curpage:        .res	1      		; Current page number
-window:         .res	256		; Memory "window"
+curpage:        .res    1               ; Current page number
+window:         .res    256             ; Memory "window"
 
 ; Since the functions above are copied to $200, the current contents of this
 ; memory area must be saved into backup storage. Allocate enough space.
-backup:         .res   	.max (.sizeof (copy), .sizeof (check))
+backup:         .res    .max (.sizeof (copy), .sizeof (check))
 
 
 
@@ -135,21 +135,21 @@ backup:         .res   	.max (.sizeof (copy), .sizeof (check))
 
 INSTALL:
         sei
-        jsr	backup_and_setup_check_routine
-        jsr	check::entry
+        jsr     backup_and_setup_check_routine
+        jsr     check::entry
         cli
-        ldx	#.sizeof (check) - 1
-        jsr	restore_data
-        cpy	#$01
-        beq	@present
-        lda	#EM_ERR_NO_DEVICE
+        ldx     #.sizeof (check) - 1
+        jsr     restore_data
+        cpy     #$01
+        beq     @present
+        lda     #EM_ERR_NO_DEVICE
         rts
 
 @present:
-        lda	#EM_ERR_OK
-;       rts		    	; Run into UNINSTALL instead
+        lda     #EM_ERR_OK
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -165,8 +165,8 @@ UNINSTALL:
 ;
 
 PAGECOUNT:
-        lda	#PAGES
+        lda     #PAGES
         rts
 
 ; ------------------------------------------------------------------------
@@ -177,37 +177,37 @@ PAGECOUNT:
 
 MAP:
         sei
-        sta 	curpage		; Remember the new page
+        sta     curpage         ; Remember the new page
         clc
-        adc 	#>BASE
-        sta 	ptr1+1
-        ldy 	#0
-        sty 	ptr1
-        jsr 	backup_and_setup_copy_routine
-        ldx 	#BASE
+        sta     ptr1+1
+        ldy     #0
+        sty     ptr1
+        jsr     backup_and_setup_copy_routine
+        ldx     #window	    	; Return the window address
+        jsr     restore_copy_routine
+        lda     #window                ; Return the window address
         cli
         rts
 
 ; ------------------------------------------------------------------------
 ; USE: Tell the driver that the window is now associated with a given page.
 
-USE:    sta	curpage		; Remember the page
-        lda	#window		; Return the window
+USE:    sta     curpage         ; Remember the page
+        lda     #window                ; Return the window
         rts
 
 ; ------------------------------------------------------------------------
@@ -215,26 +215,26 @@ USE:    sta	curpage		; Remember the page
 
 COMMIT:
         sei
-        lda	curpage		; Get the current page
+        lda     curpage         ; Get the current page
         clc
-        adc	#>BASE
-        sta	ptr1+1
-        ldy	#0
-        sty	ptr1
-        jsr	backup_and_setup_copy_routine
-        ldx   	#