;-------------------------------------------------------------------------
; 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: 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

; 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 (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

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 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 <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
SIZEP2	= $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 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

;-------------------------------------------------------------------------
; 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
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

;-------------------------------------------------------------------------
; 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
;-------------------------------------------------------------------------

