X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=asminc%2Fcbm510.inc;h=e1a86c48708e66ecba5eaa59bdb15bb2ccf880bc;hb=60e40c854cc6d7d8d181a66714b8f7b8bfb58e0e;hp=e98ed4a143eb263f1d4e048866c5b8d798d3b833;hpb=d1aad57b9865caa61641bbd20557958790b66a84;p=cc65

diff --git a/asminc/cbm510.inc b/asminc/cbm510.inc
index e98ed4a14..e1a86c487 100644
--- a/asminc/cbm510.inc
+++ b/asminc/cbm510.inc
@@ -3,15 +3,19 @@
 ;
 ; Taken from a kernal disassembly done by myself in 2000/2001.
 ;
-; Ullrich von Bassewitz, 13.09.2001
+; 2001-09-13, Ullrich von Bassewitz
+; 2014-04-02, Greg King
 
 
 ;-----------------------------------------------------------------------------
 ; Zeropage stuff
 
-ExecReg		= $00
-IndReg		= $01
-DEVNUM		= $9F
+ExecReg         := $00          ; Controls execution memory bank
+IndReg          := $01          ; Controls indirect indexed load-store bank
+
+TXTPTR          := $85          ; Far pointer into BASIC source code
+FNAM            := $90          ; Far pointer to LOAD/SAVE file-name
+FNAM_LEN        := $9D          ; Holds length of file-name
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -21,99 +25,104 @@ YSIZE           = 25
 
 ;-----------------------------------------------------------------------------
 ; I/O Definitions
-
-; 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
+; Note:  These numbers aren't addresses.  They are offsets from the start of
+; each chip's register set.  They are used in the indirect indexed addressing
+; mode.
+
+; I/O  $d800: VIC-II
+
+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_LPEN_X      = $13
+VIC_LPEN_Y      = $14
 
-VIC_IRR	       	= $19		; Interrupt request register
-VIC_IMR	       	= $1A		; Interrupt mask register
+VIC_VIDEO_ADR   = $18
 
-VIC_BORDERCOLOR = $20
-VIC_BG_COLOR0  	= $21
-VIC_BG_COLOR1  	= $22
-VIC_BG_COLOR2  	= $23
-VIC_BG_COLOR3  	= $24
+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
 
 
 ; 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
-
-
-; I/O  $db00: CIA 6526 Inter Process Communication
+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
 ; I/O  $dc00: CIA 6526
 
 .struct CIA
@@ -177,7 +186,13 @@ SID_Read3      	= $1C
 .endstruct
 
 
-; Out video memory address
+;-----------------------------------------------------------------------------
+; Our video memory address
+
+COLOR_RAM       := $D400        ; System bank
 
-COLOR_RAM   = $D400			; System bank
 
+;-----------------------------------------------------------------------------
+
+BASIC_BUF       := $FB5E        ; Bank 0 location of command-line
+BASIC_BUF_LEN   = 162           ; Maximum length of command-line