--- /dev/null
+;-------------------------------------------------------------------------
+; Atari System Equates
+; by Freddy Offenga & Christian Groessler
+;
+; References:
+; - Atari 400/800 OS rev.B source code, Atari 1979
+; - Atari OS manual - XL addendum
+; - 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
+;-------------------------------------------------------------------------
+
+;-------------------------------------------------------------------------
+; Configuration Equates
+;-------------------------------------------------------------------------
+
+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
+
+DSCTSZ = 128 ;##rev2## disk sector size
+
+LEDGE = 2 ;left edge
+REDGE = 39 ;right edge
+
+INIML = $0700 ;##rev2## initial MEMLO
+
+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
+
+; Special Entry Command Equates
+
+; Screen Commands
+
+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
+
+; Device Code Equates
+
+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
+
+; Character and Key Code Equates
+
+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
+
+; 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: urecognized 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
+
+; 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
+
+; 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
+
+; 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
+
+; Floating Point Miscellaneous Equates
+
+FPREC = 6 ;precision
+
+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)
+
+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
+
+; 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
+
+; Relocating Loader Miscellaneous Equates
+
+DATAER = 156 ;##rev2## end of record appears before END
+MEMERR = 157 ;##rev2## memory insufficient for load error
+
+; Miscellaneous Equates
+
+IOCFRE = $FF ;IOCB free indication
+
+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
+
+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
+
+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
+
+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)
+
+; 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
+
+; 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
+
+; 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 (SET TO 1 AT POWER ON>
+RMARGN = $53 ;RIGHT MARGIN (SET TO 38 AT POWER ON)
+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
+
+FRE = $DA ;6-byte (internal) register E
+
+FR1 = $E0 ;FP REG1
+FR1M = $E1 ;##rev2## 5-byte register 1 mantissa
+
+FR2 = $E6 ;6-byte (internal) register 2
+
+FRX = $EC ;1-byte temporary
+
+EEXP = $ED ;VALUE OF E
+
+FRSIGN = $EE ;##rev2## 1-byte floating point sign
+NSIGN = $EE ;SIGN OF #
+
+PLYCNT = $EF ;##rev2## 1-byte polynomial degree
+ESIGN = $EF ;SIGN OF EXPONENT
+
+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
+
+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
+
+;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
+
+;-------------------------------------------------------------------------
+; 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 13E 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 <DRAW>
+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
+
+; 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
+
+;-------------------------------------------------------------------------
+; Page Four/Five Address Equates
+;-------------------------------------------------------------------------
+
+; USER AREA STARTS HERE AND GOES TO END OF PAGE FIVE
+USAREA = $0480 ;128 bytes reserved for application
+
+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
+
+;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
+
+;-------------------------------------------------------------------------
+; CTIA/GTIA Address Equates
+;-------------------------------------------------------------------------
+
+GTIA = $D000 ;CTIA/GTIA area
+
+; Read/Write Addresses
+
+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
+
+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
+
+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
+
+TRIG2 = $D012 ;cartridge interlock
+TRIG3 = $D013 ;ACMI module interlock
+
+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
+
+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
+SIZEF2 = $D00A ;player 2 size
+SIZEP3 = $D00B ;player 3 size
+
+SIZEM = $D00C ;missile sizes
+
+GRAFP0 = $D00D ;player 0 graphics
+GRAFP1 = $D00E ;player 1 graphics
+GRAFP2 = $D00F ;player 2 graphics
+GRAFP3 = $D010 ;player 3 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
+
+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
+
+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
+
+; Read Addresses
+
+PDVI = $D1FF ;##rev2## parallel device IRQ status
+
+; Write Addresses
+
+PDVS = $D1FF ;##rev2## parallel device select
+
+; PBI RAM Address Equates
+
+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
+
+;-------------------------------------------------------------------------
+; POKEY Address Equates
+;-------------------------------------------------------------------------
+
+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
+
+; Write Addresses
+
+AUDF1 = $D200 ;channel 1 audio frequency
+AUDC1 = $D201 ;channel 1 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
+
+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
+
+;-------------------------------------------------------------------------
+; PIA Address Equates
+;-------------------------------------------------------------------------
+
+PIA = $D300 ;PIA area
+
+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
+
+;-------------------------------------------------------------------------
+; ANTIC Address Equates
+;-------------------------------------------------------------------------
+
+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
+
+; 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 iterrupt 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
+
+;-------------------------------------------------------------------------
+; 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
+
+;-------------------------------------------------------------------------
+; 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
+
+; NOTE: OS rom self-test labels are not included in this file
+
+;-------------------------------------------------------------------------
+; Some misc. stuff from the 400/800 rev.B source
+;-------------------------------------------------------------------------
+
+; 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
+
+RADON = 0 ;INDICATES RADIANS
+DEGON = 6 ;INDICATES DEGREES
+
+ASCZER = '0' ;ASCII ZERO
+COLON = $3A ;ASCII COLON
+CR = $9B ;SYSTEM EOL (CARRIAGE RETURN)
+
+;-------------------------------------------------------------------------
+; 6502
+;-------------------------------------------------------------------------
+
+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
+;MEMTOP = $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
+
+RENAME = $20 ;RENAME DISK FILE
+DELETE = $21 ;DELETE DISK FILE
+FORMAT = $21 ;FORMAT
+LOCKFL = $23 ;LOCK FILE TO READ ONLY
+UNLOCK = $24 ;UNLOCK LOCKED FILE
+POINT = $25 ;POINT SECTOR
+NOTE = $26 ;NOTE SECTOR
+
+; 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
+
+;-------------------------------------------------------------------------
+; 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
+
+;-------------------------------------------------------------------------
+; 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
+
+;-------------------------------------------------------------------------
+; OFFSETS INTO dio_phys_pos
+;-------------------------------------------------------------------------
+
+diopp_head = 0 ; head
+diopp_track = 1 ; track / cylinder
+diopp_sector = 3 ; sector
+diopp_size = 5 ; size of structure
+
+;-------------------------------------------------------------------------
+; VALUES for dos_type
+;-------------------------------------------------------------------------
+
+ATARIDOS = 0
+SPARTADOS = 1
+OSADOS = 2 ; OS/A+
+MYDOS = 3
+NODOS = 255
+
+;-------------------------------------------------------------------------
+; End of atari.inc
+;-------------------------------------------------------------------------
+
projects / cc65 / commitdiff