1 ;-------------------------------------------------------------------------
3 ; by Freddy Offenga, Christian Groessler, and Christian Krueger
6 ; - Atari 400/800 OS rev.B source code, Atari 1979
7 ; - Atari OS manual - XL addendum
8 ; - Atari XL/XE rev.2 source code, Atari 1984
9 ; - Mapping the Atari - revised edition, Ian Chadwick 1985
11 ; ##old## old OS rev.B label - moved or deleted
12 ; ##1200xl## new label introduced in 1200XL OS (rev.10/11)
13 ; ##rev2## new label introduced in XL/XE OS rev.2
14 ;-------------------------------------------------------------------------
16 ;-------------------------------------------------------------------------
17 ; Configuration Equates
18 ;-------------------------------------------------------------------------
20 MAXDEV = 33 ;offset to last possible entry of HATABS
21 IOCBSZ = 16 ;length of IOCB
23 SEIOCB = 0*IOCBSZ ;##rev2## screen editor IOCB index
24 MAXIOC = 8*IOCBSZ ;first invalid IOCB index
26 DSCTSZ = 128 ;##rev2## disk sector size
29 REDGE = 39 ;right edge
31 INIML = $0700 ;##rev2## initial MEMLO
33 ICSORG = $CC00 ;##rev2## international character set origin
34 DCSORG = $E000 ;##rev2## domestic character set origin
36 ; IOCB Command Code Equates
39 GETREC = $05 ;get record
40 GETCHR = $07 ;get character(s)
41 PUTREC = $09 ;put record
42 PUTCHR = $0B ;put character(s)
47 ; DOS IOCB command codes
49 RENAME = $20 ;rename disk file
50 DELETE = $21 ;delete disk file
51 LOCKFL = $23 ;lock file (set to read-only)
52 UNLOCK = $24 ;unlock file
53 POINT = $25 ;point sector
54 NOTE = $26 ;note sector
55 GETFL = $27 ;get file length
56 CHDIR_MYDOS = $29 ;change directory (MyDOS)
57 MKDIR = $2A ;make directory (MyDOS/SpartaDOS)
58 RMDIR = $2B ;remove directory (SpartaDOS)
59 CHDIR_SPDOS = $2C ;change directory (SpartaDOS)
62 GETCWD = $30 ;get current directory (MyDOS/SpartaDOS)
64 ; Special Entry Command Equates
66 ; Command line table, Index values for (DOSVEC),Y -- COMTAB
67 ; Compatible with OS/A+, DOS XL and SpartaDOS
69 COMTAB = 0 ;DOS entry jump vector
70 ZCRNAME = 3 ;file name crunch routine jump vector
71 BUFOFF = 10 ;next parameter buffer offset
72 COMFNAM = 33 ;destination buffer for crunch routine
73 LBUF = 63 ;command line input buffer
75 ; Screen IOCB Commands
77 DRAWLN = $11 ;draw line
78 FILLIN = $12 ;draw line with right fill
80 ; ICAX1 Auxiliary Byte 1 Equates
82 APPEND = $01 ;open write append (D:)
83 DIRECT = $02 ;open for directory access (D:)
84 OPNIN = $04 ;open for input (all devices)
85 OPNOT = $08 ;open for output (all devices)
86 MXDMOD = $10 ;open for mixed mode (E:, S:)
87 INSCLR = $20 ;open for input without clearing screen
91 CASSET = 'C' ;cassette
93 SCREDT = 'E' ;screen editor
96 DISPLY = 'S' ;screen display
98 ; SIO Command Code Equates
100 SIO_FORMAT = $21 ;format disk (default density)
101 SIO_FORMATS = $22 ;1050: format medium density
102 SIO_CONFIG = $44 ;configure drive
103 SIO_CONFIGSF = $4B ;slow/fast configure drive??
104 SIO_RDPERCOM = $4E ;read PERCOM block (XF551)
105 SIO_WRPERCOM = $4F ;write PERCOM block (XF551)
106 SIO_WRITE = $50 ;write sector
107 SIO_READ = $52 ;read sector
108 SIO_STAT = $53 ;get status information
109 SIO_VERIFY = $56 ;verify sector
110 SIO_WRITEV = $57 ;write sector with verify
111 SIO_WRITETRK = $60 ;write track (Speedy)
112 SIO_READTRK = $62 ;read track (Speedy)
114 ; SIO Status Code (DSTATS)
115 ; Input: data direction
116 ; Bit #7 - W (write operation)
117 ; #6 - R (read operation)
118 ; Output: status code
119 ; $01 (001) -- OPERATION COMPLETE (NO ERRORS)
120 ; $8A (138) -- DEVICE TIMEOUT (DOESN'T RESPOND)
121 ; $8B (139) -- DEVICE NAK
122 ; $8C (140) -- SERIAL BUS INPUT FRAMING ERROR
123 ; $8E (142) -- SERIAL BUS DATA FRAME OVERRUN ERROR
124 ; $8F (143) -- SERIAL BUS DATA FRAME CHECKSUM ERROR
125 ; $90 (144) -- DEVICE DONE ERROR
127 ; Character and Key Code Equates
129 CLS = $7D ;##rev2## clear screen
130 EOL = $9B ;end of line (RETURN)
132 HELP = $11 ;##1200xl## key code for HELP
133 CNTLF1 = $83 ;##1200xl## key code for CTRL-F1
134 CNTLF2 = $84 ;##1200xl## key code for CTRL-F2
135 CNTLF3 = $93 ;##1200xl## key code for CTRL-F3
136 CNTLF4 = $94 ;##1200xl## key code for CTRL-F4
137 CNTL1 = $9F ;##1200xl## key code for CTRL-1
139 ; Status Code Equates
141 SUCCES = 1 ;($01) succesful operation
143 BRKABT = 128 ;($80) BREAK key abort
144 PRVOPN = 129 ;($81) IOCB already open error
145 NONDEV = 130 ;($82) nonexistent device error
146 WRONLY = 131 ;($83) IOCB opened for write only error
147 NVALID = 132 ;($84) invalid command error
148 NOTOPN = 133 ;($85) device/file not open error
149 BADIOC = 134 ;($86) invalid IOCB index error
150 RDONLY = 135 ;($87) IOCB opened for read only error
151 EOFERR = 136 ;($88) end of file error
152 TRNRCD = 137 ;($89) truncated record error
153 TIMOUT = 138 ;($8A) peripheral device timeout error
154 DNACK = 139 ;($8B) device does not acknowledge command
155 FRMERR = 140 ;($8C) serial bus framing error
156 CRSROR = 141 ;($8D) cursor overrange error
157 OVRRUN = 142 ;($8E) serial bus data overrun error
158 CHKERR = 143 ;($8F) serial bus checksum error
159 DERROR = 144 ;($90) device done (operation incomplete)
160 BADMOD = 145 ;($91) bad screen mode number error
161 FNCNOT = 146 ;($92) function not implemented in handler
162 SCRMEM = 147 ;($93) insufficient memory for screen mode
164 DSKFMT = 148 ;($94) SpartaDOS: unrecognized disk format
165 INCVER = 149 ;($95) SpartaDOS: disk was made with incompat. version
166 DIRNFD = 150 ;($96) SpartaDOS: directory not found
167 FEXIST = 151 ;($97) SpartaDOS: file exists
168 NOTBIN = 152 ;($98) SpartaDOS: file not binary
169 LSYMND = 154 ;($9A) SDX: loader symbol not defined
170 BADPRM = 156 ;($9C) SDX: bad parameter
171 OUTOFM = 158 ;($9E) SDX: out of memory
172 INVDEV = 160 ;($A0) invalid device number
173 TMOF = 161 ;($A1) too many open files
174 DSKFLL = 162 ;($A2) disk full
175 FATLIO = 163 ;($A3) fatal I/O error
176 FNMSMT = 164 ;($A4) internal file number mismatch
177 INVFNM = 165 ;($A5) invalid file name
178 PDLERR = 166 ;($A6) point data length error
179 EPERM = 167 ;($A7) permission denied
180 DINVCM = 168 ;($A8) command invalid for disk
181 DIRFLL = 169 ;($A9) directory full
182 FNTFND = 170 ;($AA) file not found
183 PNTINV = 171 ;($AB) point invalid
184 BADDSK = 173 ;($AD) bad disk
185 INCFMT = 176 ;($B0) DOS 3: incompatible file system
186 XNTBIN = 180 ;($B4) XDOS: file not binary
188 ; DCB Device Bus Equates
190 DISKID = $31 ;##rev2## disk bus ID
191 PDEVN = $40 ;##rev2## printer bus ID
192 CASET = $60 ;##rev2## cassette bus ID
194 ; Bus Command Equates
196 FOMAT = '!' ;##rev2## format command
197 PUTSEC = 'P' ;##rev2## put sector command
198 READ = 'R' ;##rev2## read command
199 STATC = 'S' ;##rev2## status command
200 WRITE = 'W' ;##rev2## write command
202 ; Command Auxiliary Byte Equates
204 DOUBLE = 'D' ;##rev2## print 20 characters double width
205 NORMAL = 'N' ;##rev2## print 40 characters normally
206 PLOT = 'P' ;##rev2## plot
207 SIDWAY = 'S' ;##rev2## print 16 characters sideways
209 ; Bus Response Equates
211 ACK = 'A' ;##rev2## device acknowledged
212 COMPLT = 'C' ;##rev2## device succesfully completed operation
213 ERROR = 'E' ;##rev2## device incurred error
214 NACK = 'N' ;##rev2## device did not understand
216 ; Floating Point Miscellaneous Equates
220 FMPREC = FPREC-1 ;##rev2## length of mantissa
222 ; Cassette Record Type Equates
224 HDR = $FB ;##rev2## header
225 DTA = $FC ;##rev2## data record
226 DT1 = $FA ;##rev2## last data record
227 EOT = $FE ;##rev2## end of tape (file)
229 TONE1 = 2 ;##rev2## record
230 TONE2 = 1 ;##rev2## playback
232 ; Cassette Timing Equates
234 WLEADN = 1152 ;##rev2## NTSC 19.2 second WRITE file leader
235 RLEADN = 576 ;##rev2## NTSC 9.6 second READ file leader
236 WIRGLN = 180 ;##rev2## NTSC 3.0 second WRITE IRG
237 RIRGLN = 120 ;##rev2## NTSC 2.0 second READ IRG
238 WSIRGN = 15 ;##rev2## NTSC 0.25 second WRITE short IRG
239 RSIRGN = 10 ;##rev2## NTSC 0.16 second READ short IRG
240 BEEPNN = 30 ;##rev2## NTSC 0.5 second beep duration
241 BEEPFN = 10 ;##rev2## NTSC 0.16 seconrd beep duration
243 WLEADP = 960 ;##rev2## PAL 19.2 second WRITE file leader
244 RLEADP = 480 ;##rev2## PAL 9.6 second READ file leader
245 WIRGLP = 150 ;##rev2## PAL 3.0 second WRITE IRG
246 RIRGLP = 100 ;##rev2## PAL 2.0 second READ IRG
247 WSIRGP = 13 ;##rev2## PAL 0.25 second WRITE short IRG
248 RSIRGP = 8 ;##rev2## PAL 0.16 second READ short IRG
249 BEEPNP = 25 ;##rev2## PAL 0.5 second beep duration
250 BEEPFP = 8 ;##rev2## PAL 0.16 seconrd beep duration
252 WIRGHI = 0 ;##rev2## high WRITE IRG
253 RIRGHI = 0 ;##rev2## high READ IRG
255 ; Power-up Validation Byte Value Equates
257 PUPVL1 = $5C ;##rev2## power-up validation value 1
258 PUPVL2 = $93 ;##rev2## power-up validation value 2
259 PUPVL3 = $25 ;##rev2## power-up validation value 3
261 ; Relocating Loader Miscellaneous Equates
263 DATAER = 156 ;##rev2## end of record appears before END
264 MEMERR = 157 ;##rev2## memory insufficient for load error
266 ; Miscellaneous Equates
268 IOCFRE = $FF ;IOCB free indication
270 B19200 = $0028 ;##rev2## 19200 baud POKEY counter value
271 B00600 = $05CC ;##rev2## 600 baud POKEY counter value
273 HITONE = $05 ;##rev2## FSK high freq. POKEY counter value
274 LOTONE = $07 ;##rev2## FSK low freq. POKEY counter value
276 NCOMLO = $34 ;##rev2## PIA lower NOT COMMAND line command
277 NCOMHI = $3C ;##rev2## PIA raise NOT COMMAND line command
279 MOTRGO = $34 ;##rev2## PIA cassette motor ON command
280 MOTRST = $3C ;##rev2## PIA cassette motor OFF command
282 NODAT = $00 ;##rev2## SIO immediate operation
283 GETDAT = $40 ;##rev2## SIO read data frame
284 PUTDAT = $80 ;##rev2## SIO write data frame
286 CRETRI = 13 ;##rev2## number of command frame retries
287 DRETRI = 1 ;##rev2## number of device retries
288 CTIM = 2 ;##rev2## command frame ACK timeout
290 NBUFSZ = 40 ;##rev2## print normal buffer size
291 DBUFSZ = 20 ;##rev2## print double buffer size
292 SBUFSZ = 29 ;##rev2## print sideways buffer size
294 ;-------------------------------------------------------------------------
295 ; Page Zero Address Equates
296 ;-------------------------------------------------------------------------
298 LINZBS = $00 ;LINBUG RAM (WILL BE REPLACED BY MONITOR RAM)
299 LNFLG = $00 ;##1200xl## 1-byte LNBUG flag (0 = not LNBUG)
300 NGFLAG = $01 ;##1200xl## 1-byte memory status (0 = failure)
304 CASINI = $02 ;CASSETTE INIT LOCATION
305 RAMLO = $04 ;RAM POINTER FOR MEMORY TEST
306 TRAMSZ = $06 ;TEMPORARY REGISTER FOR RAM SIZE
307 ;TSTDAT = $07 ;##old## RAM TEST DATA REGISTER
308 CMCMD = $07 ;##rev2## 1-byte command communications
310 ; Cleared upon Coldstart only
312 WARMST = $08 ;WARM START FLAG
313 BOOTQ = $09 ;SUCCESSFUL BOOT FLAG
314 DOSVEC = $0A ;DISK SOFTWARE START VECTOR
315 DOSINI = $0C ;DISK SOFTWARE INIT ADDRESS
316 APPMHI = $0E ;APPLICATIONS MEMORY HI LIMIT
318 ; Cleared upon Coldstart or Warmstart
320 INTZBS = $10 ;INTERRUPT HANDLER
322 POKMSK = $10 ;SYSTEM MASK FOR POKEY IRQ ENABLE (shadow of IRQEN)
323 BRKKEY = $11 ;BREAK KEY FLAG
324 RTCLOK = $12 ;REAL TIME CLOCK (IN 16 MSEC UNITS>
325 BUFADR = $15 ;INDIRECT BUFFER ADDRESS REGISTER
326 ICCOMT = $17 ;COMMAND FOR VECTOR
327 DSKFMS = $18 ;DISK FILE MANAGER POINTER
328 DSKUTL = $1A ;DISK UTILITIES POINTER
329 ABUFPT = $1C ;##1200xl## 4-byte ACMI buffer pointer area
331 ;PTIMOT = $1C ;##old## PRINTER TIME OUT REGISTER
332 ;PBPNT = $1D ;##old## PRINT BUFFER POINTER
333 ;PBUFSZ = $1E ;##old## PRINT BUFFER SIZE
334 ;PTEMP = $1F ;##old## TEMPORARY REGISTER
336 ZIOCB = $20 ;ZERO PAGE I/O CONTROL BLOCK
337 IOCBAS = $20 ;16-byte page zero IOCB
338 ICHIDZ = $20 ;HANDLER INDEX NUMBER (FF = IOCB FREE)
339 ICDNOZ = $21 ;DEVICE NUMBER (DRIVE NUMBER)
340 ICCOMZ = $22 ;COMMAND CODE
341 ICSTAZ = $23 ;STATUS OF LAST IOCB ACTION
342 ICBALZ = $24 ;BUFFER ADDRESS LOW BYTE
343 ICBAHZ = $25 ;1-byte high buffer address
344 ICPTLZ = $26 ;PUT BYTE ROUTINE ADDRESS -1
345 ICPTHZ = $27 ;1-byte high PUT-BYTE routine address
346 ICBLLZ = $28 ;BUFFER LENGTH LOW BYTE
347 ICBLHZ = $29 ;1-byte high buffer length
348 ICAX1Z = $2A ;AUXILIARY INFORMATION FIRST BYTE
349 ICAX2Z = $2B ;1-byte second auxiliary information
350 ICSPRZ = $2C ;4-byte spares
352 ENTVEC = $2C ;##rev2## 2-byte (not used)
353 ICIDNO = $2E ;IOCB NUMBER X 16
354 CIOCHR = $2F ;CHARACTER BYTE FOR CURRENT OPERATION
356 STATUS = $30 ;INTERNAL STATUS STORAGE
357 CHKSUM = $31 ;CHECKSUM (SINGLE BYTE SUM WITH CARRY)
358 BUFRLO = $32 ;POINTER TO DATA BUFFER (LO BYTE)
359 BUFRHI = $33 ;POINTER TO DATA BUFFER (HI BYTE)
360 BFENLO = $34 ;NEXT BYTE PAST END OF THE DATA BUFFER LO
361 BFENHI = $35 ;NEXT BYTE PAST END OF THE DATA BUFFER HI
362 ;CRETRY = $36 ;##old## NUMBER OF COMMAND FRAME RETRIES
363 ;DRETRY = $37 ;##old## NUMBER OF DEVICE RETRIES
364 LTEMP = $36 ;##1200xl## 2-byte loader temporary
365 BUFRFL = $38 ;DATA BUFFER FULL FLAG
366 RECVDN = $39 ;RECEIVE DONE FLAG
367 XMTDON = $3A ;TRANSMISSION DONE FLAG
368 CHKSNT = $3B ;CHECKSUM SENT FLAG
369 NOCKSM = $3C ;NO CHECKSUM FOLLOWS DATA FLAG
370 BPTR = $3D ;1-byte cassette buffer pointer
371 FTYPE = $3E ;1-byte cassette IRG type
372 FEOF = $3F ;1-byte cassette EOF flag (0 = quiet)
373 FREQ = $40 ;1-byte cassette beep counter
374 SOUNDR = $41 ;NOISY I/0 FLAG. (ZERO IS QUIET)
376 CRITIC = $42 ;DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
378 FMSZPG = $43 ;DISK FILE MANAGER SYSTEM ZERO PAGE
380 ;CKEY = $4A ;##old## FLAG SET WHEN GAME START PRESSED
381 ZCHAIN = $4A ;##1200xl## 2-byte handler linkage chain pointer
382 ;CASSBT = $4B ;##old## CASSETTE BOOT FLAG
383 DSTAT = $4C ;DISPLAY STATUS
384 ATRACT = $4D ;ATRACT FLAG
385 DRKMSK = $4E ;DARK ATRACT MASK
386 COLRSH = $4F ;ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD
389 TMPCHR = $50 ;1-byte temporary character
390 HOLD1 = $51 ;1-byte temporary
391 LMARGN = $52 ;left margin (normally 2, cc65 C startup code sets it to 0)
392 RMARGN = $53 ;right margin (normally 39 if no XEP80 is used)
393 ROWCRS = $54 ;1-byte cursor row
394 COLCRS = $55 ;2-byte cursor column
395 DINDEX = $57 ;1-byte display mode
396 SAVMSC = $58 ;2-byte saved memory scan counter
397 OLDROW = $5A ;1-byte prior row
398 OLDCOL = $5B ;2-byte prior column
399 OLDCHR = $5D ;DATA UNDER CURSOR
400 OLDADR = $5E ;2-byte saved cursor memory address
401 FKDEF = $60 ;##1200xl## 2-byte function key definition table
402 ;NEWROW = $60 ;##old## POINT DRAW GOES TO
403 ;NEWCOL = $61 ;##old##
404 PALNTS = $62 ;##1200xl## 1-byte PAL/NTSC indicator (0 = NTSC)
405 LOGCOL = $63 ;POINTS AT COLUMN IN LOGICAL LINE
406 ADRESS = $64 ;2-byte temporary address
408 MLTTMP = $66 ;1-byte temporary
409 OPNTMP = $66 ;FIRST BYTE IS USED IN OPEN AS TEMP
410 TOADR = $66 ;##rev2## 2-byte destination address
412 SAVADR = $68 ;2-byte saved address
413 FRMADR = $68 ;##rev2## 2-byte source address
415 RAMTOP = $6A ;RAM SIZE DEFINED BY POWER ON LOGIC
416 BUFCNT = $6B ;BUFFER COUNT
417 BUFSTR = $6C ;EDITOR GETCH POINTER
418 BITMSK = $6E ;BIT MASK
419 SHFAMT = $6F ;1-byte shift amount for pixel justifucation
420 ROWAC = $70 ;2-byte draw working row
421 COLAC = $72 ;2-byte draw working column
422 ENDPT = $74 ;2-byte end point
423 DELTAR = $76 ;1-byte row difference
424 DELTAC = $77 ;2-byte column difference
425 KEYDEF = $79 ;##1200xl## 2-byte key definition table address
426 ;ROWINC = $79 ;##old##
427 ;COLINC = $7A ;##old##
428 SWPFLG = $7B ;NON-0 1F TXT AND REGULAR RAM IS SWAPPED
429 HOLDCH = $7C ;CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH
430 INSDAT = $7D ;1-byte temporary
431 COUNTR = $7E ;2-byte draw iteration count
433 ; Floating Point Package Page Zero Address Equates
435 FR0 = $D4 ;6-byte register 0
436 FR0M = $D5 ;##rev2## 5-byte register 0 mantissa
437 QTEMP = $D9 ;##rev2## 1-byte temporary
439 FRE = $DA ;6-byte (internal) register E
442 FR1M = $E1 ;##rev2## 5-byte register 1 mantissa
444 FR2 = $E6 ;6-byte (internal) register 2
446 FRX = $EC ;1-byte temporary
448 EEXP = $ED ;VALUE OF E
450 FRSIGN = $EE ;##rev2## 1-byte floating point sign
451 NSIGN = $EE ;SIGN OF #
453 PLYCNT = $EF ;##rev2## 1-byte polynomial degree
454 ESIGN = $EF ;SIGN OF EXPONENT
456 SGNFLG = $F0 ;##rev2## 1-byte sign flag
457 FCHRFLG = $F0 ;1ST CHAR FLAG
459 XFMFLG = $F1 ;##rev2## 1-byte transform flag
460 DIGRT = $F1 ;# OF DIGITS RIGHT OF DECIMAL
462 CIX = $F2 ;CURRENT INPUT INDEX
463 INBUFF = $F3 ;POINTS TO USER'S LINE INPUT BUFFER
465 ZTEMP1 = $F5 ;2-byte temporary
466 ZTEMP4 = $F7 ;2-byte temporary
467 ZTEMP3 = $F9 ;2-byte temporary
469 ;DEGFLG = $FB ;##old## same as RADFLG
470 ;RADFLG = $FB ;##old## 0=RADIANS, 6=DEGREES
472 FLPTR = $FC ;2-byte floating point number pointer
473 FPTR2 = $FE ;2-byte floating point number pointer
475 ;-------------------------------------------------------------------------
476 ; Page Two Address Equates
477 ;-------------------------------------------------------------------------
479 INTABS = $0200 ;INTERRUPT RAM
481 VDSLST = $0200 ;DISPLAY LIST NMI VECTOR
482 VPRCED = $0202 ;PROCEED LINE IRQ VECTOR
483 VINTER = $0204 ;INTERRUPT LINE IRQ VECTOR
484 VBREAK = $0206 ;SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
485 VKEYBD = $0208 ;POKEY KEYBOARD IRQ VECTOR
486 VSERIN = $020A ;POKEY SERIAL INPUT READY IRQ
487 VSEROR = $020C ;POKEY SERIAL OUTPUT READY IRQ
488 VSEROC = $020E ;POKEY SERIAL OUTPUT COMPLETE IRQ
489 VTIMR1 = $0210 ;POKEY TIMER 1 IRQ
490 VTIMR2 = $0212 ;POKEY TIMER 2 IRQ
491 VTIMR4 = $0214 ;POKEY TIMER 4 IRQ
492 VIMIRQ = $0216 ;IMMEDIATE IRQ VECTOR
493 CDTMV1 = $0218 ;COUNT DOWN TIMER 1
494 CDTMV2 = $021A ;COUNT DOWN TIMER 2
495 CDTMV3 = $021C ;COUNT DOWN TIMER 3
496 CDTMV4 = $021E ;COUNT DOWN TIMER 4
497 CDTMV5 = $0220 ;COUNT DOWN TIMER 5
498 VVBLKI = $0222 ;IMMEDIATE VERTICAL BLANK NMI VECTOR
499 VVBLKD = $0224 ;DEFERRED VERTICAL BLANK NMI VECTOR
500 CDTMA1 = $0226 ;COUNT DOWN TIMER 1 JSR ADDRESS
501 CDTMA2 = $0228 ;COUNT DOWN TIMER 2 JSR ADDRESS
502 CDTMF3 = $022A ;COUNT DOWN TIMER 3 FLAG
503 SRTIMR = $022B ;SOFTWARE REPEAT TIMER
504 CDTMF4 = $022C ;COUNT DOWN TIMER 4 FLAG
505 INTEMP = $022D ;IAN'S TEMP
506 CDTMF5 = $022E ;COUNT DOWN TIMER FLAG 5
507 SDMCTL = $022F ;SAVE DMACTL REGISTER
508 SDLSTL = $0230 ;SAVE DISPLAY LIST LOW BYTE
509 SDLSTH = $0231 ;SAVE DISPLAY LIST HI BYTE
510 SSKCTL = $0232 ;SKCTL REGISTER RAM
511 LCOUNT = $0233 ;##1200xl## 1-byte relocating loader record
512 LPENH = $0234 ;LIGHT PEN HORIZONTAL VALUE
513 LPENV = $0235 ;LIGHT PEN VERTICAL VALUE
514 BRKKY = $0236 ;BREAK KEY VECTOR
515 ;RELADR = $0238 ;##1200xl## 2-byte relocatable loader address
516 VPIRQ = $0238 ;##rev2## 2-byte parallel device IRQ vector
517 CDEVIC = $023A ;COMMAND FRAME BUFFER - DEVICE
518 CCOMND = $023B ;COMMAND
519 CAUX1 = $023C ;COMMAND AUX BYTE 1
520 CAUX2 = $023D ;COMMAND AUX BYTE 2
522 TEMP = $023E ;TEMPORARY RAM CELL
524 ERRFLG = $023F ;ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
526 DFLAGS = $0240 ;DISK FLAGS FROM SECTOR ONE
527 DBSECT = $0241 ;NUMBER OF DISK BOOT SECTORS
528 BOOTAD = $0242 ;ADDRESS WHERE DISK BOOT LOADER WILL BE PUT
529 COLDST = $0244 ;COLDSTART FLAG (1=IN MIDDLE OF COLDSTART>
530 RECLEN = $0245 ;##1200xl## 1-byte relocating loader record length
531 DSKTIM = $0246 ;DISK TIME OUT REGISTER
532 ;LINBUF = $0247 ;##old## CHAR LINE BUFFER
533 PDVMSK = $0247 ;##rev2## 1-byte parallel device selection mask
534 SHPDVS = $0248 ;##rev2## 1-byte PDVS (parallel device select)
535 PDIMSK = $0249 ;##rev2## 1-byte parallel device IRQ selection
536 RELADR = $024A ;##rev2## 2-byte relocating loader relative adr.
537 PPTMPA = $024C ;##rev2## 1-byte parallel device handler temporary
538 PPTMPX = $024D ;##rev2## 1-byte parallel device handler temporary
540 CHSALT = $026B ;##1200xl## 1-byte character set alternate
541 VSFLAG = $026C ;##1200xl## 1-byte fine vertical scroll count
542 KEYDIS = $026D ;##1200xl## 1-byte keyboard disable
543 FINE = $026E ;##1200xl## 1-byte fine scrolling mode
544 GPRIOR = $026F ;GLOBAL PRIORITY CELL
546 PADDL0 = $0270 ;1-byte potentiometer 0
547 PADDL1 = $0271 ;1-byte potentiometer 1
548 PADDL2 = $0272 ;1-byte potentiometer 2
549 PADDL3 = $0273 ;1-byte potentiometer 3
550 PADDL4 = $0274 ;1-byte potentiometer 4
551 PADDL5 = $0275 ;1-byte potentiometer 5
552 PADDL6 = $0276 ;1-byte potentiometer 6
553 PADDL7 = $0277 ;1-byte potentiometer 7
555 STICK0 = $0278 ;1-byte joystick 0
556 STICK1 = $0279 ;1-byte joystick 1
557 STICK2 = $027A ;1-byte joystick 2
558 STICK3 = $027B ;1-byte joystick 3
560 PTRIG0 = $027C ;1-byte paddle trigger 0
561 PTRIG1 = $027D ;1-byte paddle trigger 1
562 PTRIG2 = $027E ;1-byte paddle trigger 2
563 PTRIG3 = $027F ;1-byte paddle trigger 3
564 PTRIG4 = $0280 ;1-byte paddle trigger 4
565 PTRIG5 = $0281 ;1-byte paddle trigger 5
566 PTRIG6 = $0281 ;1-byte paddle trigger 6
567 PTRIG7 = $0283 ;1-byte paddle trigger 7
569 STRIG0 = $0284 ;1-byte joystick trigger 0
570 STRIG1 = $0285 ;1-byte joystick trigger 1
571 STRIG2 = $0286 ;1-byte joystick trigger 2
572 STRIG3 = $0287 ;1-byte joystick trigger 3
574 ;CSTAT = $0288 ;##old## cassette status register
575 HIBYTE = $0288 ;##1200xl## 1-byte relocating loader high byte
576 WMODE = $0289 ;1-byte cassette WRITE mode
577 BLIM = $028A ;1-byte cassette buffer limit
578 IMASK = $028B ;##rev2## (not used)
579 JVECK = $028C ;2-byte jump vector or temporary
580 NEWADR = $028E ;##1200xl## 2-byte relocating address
581 TXTROW = $0290 ;TEXT ROWCRS
582 TXTCOL = $0291 ;TEXT COLCRS
583 TINDEX = $0293 ;TEXT INDEX
584 TXTMSC = $0294 ;FOOLS CONVRT INTO NEW MSC
585 TXTOLD = $0296 ;OLDROW & OLDCOL FOR TEXT (AND THEN SOME)
586 ;TMPX1 = $029C ;##old## 1-byte temporary register
587 CRETRY = $029C ;##1200xl## 1-byte number of command frame retries
588 HOLD3 = $029D ;1-byte temporary
589 SUBTMP = $029E ;1-byte temporary
590 HOLD2 = $029F ;1-byte (not used)
591 DMASK = $02A0 ;1-byte display (pixel location) mask
592 TMPLBT = $02A1 ;1-byte (not used)
593 ESCFLG = $02A2 ;ESCAPE FLAG
594 TABMAP = $02A3 ;15-byte (120 bit) tab stop bit map
595 LOGMAP = $02B2 ;LOGICAL LINE START BIT MAP
596 INVFLG = $02B6 ;INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY)
597 FILFLG = $02B7 ;RIGHT FILL FLAG FOR DRAW
598 TMPROW = $02B8 ;1-byte temporary row
599 TMPCOL = $02B9 ;2-byte temporary column
600 SCRFLG = $02BB ;SET IF SCROLL OCCURS
601 HOLD4 = $02BC ;TEMP CELL USED IN DRAW ONLY
602 ;HOLD5 = $02BD ;##old## DITTO
603 DRETRY = $02BD ;##1200xl## 1-byte number of device retries
604 SHFLOK = $02BE ;1-byte shift/control lock flags
605 BOTSCR = $02BF ;BOTTOM OF SCREEN 24 NORM 4 SPLIT
607 PCOLR0 = $02C0 ;1-byte player-missile 0 color/luminance
608 PCOLR1 = $02C1 ;1-byte player-missile 1 color/luminance
609 PCOLR2 = $02C2 ;1-byte player-missile 2 color/luminance
610 PCOLR3 = $02C3 ;1-byte player-missile 3 color/luminance
612 COLOR0 = $02C4 ;1-byte playfield 0 color/luminance
613 COLOR1 = $02C5 ;1-byte playfield 1 color/luminance
614 COLOR2 = $02C6 ;1-byte playfield 2 color/luminance
615 COLOR3 = $02C7 ;1-byte playfield 3 color/luminance
617 COLOR4 = $02C8 ;1-byte background color/luminance
619 PARMBL = $02C9 ;##rev2## 6-byte relocating loader parameter
620 RUNADR = $02C9 ;##1200xl## 2-byte run address
621 HIUSED = $02CB ;##1200xl## 2-byte highest non-zero page address
622 ZHIUSE = $02CD ;##1200xl## 2-byte highest zero page address
624 OLDPAR = $02CF ;##rev2## 6-byte relocating loader parameter
625 GBYTEA = $02CF ;##1200xl## 2-byte GET-BYTE routine address
626 LOADAD = $02D1 ;##1200xl## 2-byte non-zero page load address
627 ZLOADA = $02D3 ;##1200xl## 2-byte zero page load address
629 DSCTLN = $02D5 ;##1200xl## 2-byte disk sector length
630 ACMISR = $02D7 ;##1200xl## 2-byte ACMI interrupt service routine
631 KRPDEL = $02D9 ;##1200xl## 1-byte auto-repeat delay
632 KEYREP = $02DA ;##1200xl## 1-byte auto-repeat rate
633 NOCLIK = $02DB ;##1200xl## 1-byte key click disable
634 HELPFG = $02DC ;##1200xl## 1-byte HELP key flag (0 = no HELP)
635 DMASAV = $02DD ;##1200xl## 1-byte SDMCTL save/restore
636 PBPNT = $02DE ;##1200xl## 1-byte printer buffer pointer
637 PBUFSZ = $02DF ;##1200xl## 1-byte printer buffer size
639 GLBABS = $02E0 ;4-byte global variables for non-DOS users
640 RUNAD = $02E0 ;##map## 2-byte binary file run address
641 INITAD = $02E2 ;##map## 2-byte binary file initialization address
643 RAMSIZ = $02E4 ;RAM SIZE (HI BYTE ONLY)
644 MEMTOP = $02E5 ;TOP OF AVAILABLE USER MEMORY
645 MEMLO = $02E7 ;BOTTOM OF AVAILABLE USER MEMORY
646 HNDLOD = $02E9 ;##1200xl## 1-byte user load flag
647 DVSTAT = $02EA ;STATUS BUFFER
648 CBAUDL = $02EE ;1-byte low cassette baud rate
649 CBAUDH = $02EF ;1-byte high cassette baud rate
650 CRSINH = $02F0 ;CURSOR INHIBIT (00 = CURSOR ON)
651 KEYDEL = $02F1 ;KEY DELAY
652 CH1 = $02F2 ;1-byte prior keyboard character
653 CHACT = $02F3 ;CHACTL REGISTER RAM
654 CHBAS = $02F4 ;CHBAS REGISTER RAM
656 NEWROW = $02F5 ;##1200xl## 1-byte draw destination row
657 NEWCOL = $02F6 ;##1200xl## 2-byte draw destination column
658 ROWINC = $02F8 ;##1200xl## 1-byte draw row increment
659 COLINC = $02F9 ;##1200xl## 1-byte draw column increment
661 CHAR = $02FA ;1-byte internal character
662 ATACHR = $02FB ;ATASCII CHARACTER
663 CH = $02FC ;GLOBAL VARIABLE FOR KEYBOARD
664 FILDAT = $02FD ;RIGHT FILL DATA <DRAW>
665 DSPFLG = $02FE ;DISPLAY FLAG DISPLAY CNTLS IF NON-ZERO
666 SSFLAG = $02FF ;START/STOP FLAG FOR PAGING (CNTL 1). CLEARE
668 ;-------------------------------------------------------------------------
669 ; Page Three Address Equates
670 ;-------------------------------------------------------------------------
672 DCB = $0300 ;DEVICE CONTROL BLOCK
673 DDEVIC = $0300 ;PERIPHERAL UNIT 1 BUS I.D. NUMBER
674 DUNIT = $0301 ;UNIT NUMBER
675 DCOMND = $0302 ;BUS COMMAND
676 DSTATS = $0303 ;COMMAND TYPE/STATUS RETURN
677 DBUFLO = $0304 ;1-byte low data buffer address
678 DBUFHI = $0305 ;1-byte high data buffer address
679 DTIMLO = $0306 ;DEVICE TIME OUT IN 1 SECOND UNITS
680 DUNUSE = $0307 ;UNUSED BYTE
681 DBYTLO = $0308 ;1-byte low number of bytes to transfer
682 DBYTHI = $0309 ;1-byte high number of bytes to transfer
683 DAUX1 = $030A ;1-byte first command auxiliary
684 DAUX2 = $030B ;1-byte second command auxiliary
686 TIMER1 = $030C ;INITIAL TIMER VALUE
687 ;ADDCOR = $030E ;##old## ADDITION CORRECTION
688 JMPERS = $030E ;##1200xl## 1-byte jumper options
689 CASFLG = $030F ;CASSETTE MODE WHEN SET
690 TIMER2 = $0310 ;2-byte final baud rate timer value
691 TEMP1 = $0312 ;TEMPORARY STORAGE REGISTER
692 ;TEMP2 = $0314 ;##old## TEMPORARY STORAGE REGISTER
693 TEMP2 = $0313 ;##1200xl## 1-byte temporary
694 PTIMOT = $0314 ;##1200xl## 1-byte printer timeout
695 TEMP3 = $0315 ;TEMPORARY STORAGE REGISTER
696 SAVIO = $0316 ;SAVE SERIAL IN DATA PORT
697 TIMFLG = $0317 ;TIME OUT FLAG FOR BAUD RATE CORRECTION
698 STACKP = $0318 ;SIO STACK POINTER SAVE CELL
699 TSTAT = $0319 ;TEMPORARY STATUS HOLDER
701 HATABS = $031A ;35-byte handler address table (was 38 bytes)
702 PUPBT1 = $033D ;##1200xl## 1-byte power-up validation byte 1
703 PUPBT2 = $033E ;##1200xl## 1-byte power-up validation byte 2
704 PUPBT3 = $033F ;##1200xl## 1-byte power-up validation byte 3
706 IOCB = $0340 ;I/O CONTROL BLOCKS
707 ICHID = $0340 ;HANDLER INDEX NUMBER (FF=IOCB FREE)
708 ICDNO = $0341 ;DEVICE NUMBER (DRIVE NUMBER)
709 ICCOM = $0342 ;COMMAND CODE
710 ICSTA = $0343 ;STATUS OF LAST IOCB ACTION
711 ICBAL = $0344 ;1-byte low buffer address
712 ICBAH = $0345 ;1-byte high buffer address
713 ICPTL = $0346 ;1-byte low PUT-BYTE routine address - 1
714 ICPTH = $0347 ;1-byte high PUT-BYTE routine address - 1
715 ICBLL = $0348 ;1-byte low buffer length
716 ICBLH = $0349 ;1-byte high buffer length
717 ICAX1 = $034A ;1-byte first auxiliary information
718 ICAX2 = $034B ;1-byte second auxiliary information
719 ICAX3 = $034C ;1-byte third auxiliary information
720 ICAX4 = $034D ;1-byte fourth auxiliary information
721 ICAX5 = $034E ;1-byte fifth auxiliary information
722 ICSPR = $034F ;SPARE BYTE
724 PRNBUF = $03C0 ;PRINTER BUFFER
725 SUPERF = $03E8 ;##1200xl## 1-byte editor super function flag
726 CKEY = $03E9 ;##1200xl## 1-byte cassette boot request flag
727 CASSBT = $03EA ;##1200xl## 1-byte cassette boot flag
728 CARTCK = $03EB ;##1200xl## 1-byte cartridge equivalence check
729 DERRF = $03EC ;##rev2## 1-byte screen OPEN error flag
731 ; Remainder of Page Three Not Cleared upon Reset
733 ACMVAR = $03ED ;##1200xl## 11 bytes reserved for ACMI
734 BASICF = $03F8 ;##rev2## 1-byte BASIC switch flag
735 MINTLK = $03F9 ;##1200xl## 1-byte ACMI module interlock
736 GINTLK = $03FA ;##1200xl## 1-byte cartridge interlock
737 CHLINK = $03FB ;##1200xl## 2-byte loaded handler chain link
738 CASBUF = $03FD ;CASSETTE BUFFER
740 ;-------------------------------------------------------------------------
741 ; Page Four/Five Address Equates
742 ;-------------------------------------------------------------------------
744 ; USER AREA STARTS HERE AND GOES TO END OF PAGE FIVE
745 USAREA = $0480 ;128 bytes reserved for application
747 LBPR1 = $057E ;LBUFF PREFIX 1
748 LBPR2 = $057F ;LBUFF PREFIX 2
749 LBUFF = $0580 ;128-byte line buffer
751 PLYARG = $05E0 ;6-byte floating point polynomial argument
752 FPSCR = $05E6 ;6-byte floating point temporary
753 FPSCR1 = $05EC ;6-byte floating point temporary
755 ;LBFEND = $05FF ;##old## END OF LBUFF
760 ;-------------------------------------------------------------------------
761 ; Cartridge Address Equates
762 ;-------------------------------------------------------------------------
764 CARTCS = $BFFA ;##rev2## 2-byte cartridge coldstart address
765 CART = $BFFC ;##rev2## 1-byte cartridge present indicator
767 CARTFG = $BFFD ;##rev2## 1-byte cartridge flags
768 ;D7 0=Not a Diagnostic Cart
769 ; 1=Is a Diagnostic cart and control is
770 ; given to cart before any OS is init.
771 ;D2 0=Init but Do not Start Cart
772 ; 1=Init and Start Cart
773 ;D0 0=Do not boot disk
775 CARTAD = $BFFE ;##rev2## 2-byte cartridge start vector
777 ;-------------------------------------------------------------------------
778 ; CTIA/GTIA Address Equates
779 ;-------------------------------------------------------------------------
781 GTIA = $D000 ;CTIA/GTIA area
782 .include "atari_gtia.inc"
784 ;-------------------------------------------------------------------------
785 ; PBI Address Equates
786 ;-------------------------------------------------------------------------
788 PBI = $D100 ;##rev2## parallel bus interface area
792 PDVI = $D1FF ;##rev2## parallel device IRQ status
796 PDVS = $D1FF ;##rev2## parallel device select
798 ;-------------------------------------------------------------------------
799 ; POKEY Address Equates
800 ;-------------------------------------------------------------------------
802 POKEY = $D200 ;POKEY area
803 .include "atari_pokey.inc"
805 ;-------------------------------------------------------------------------
806 ; ANTIC Address Equates
807 ;-------------------------------------------------------------------------
809 ANTIC = $D400 ;ANTIC area
810 .include "atari_antic.inc"
812 ; PBI RAM Address Equates
814 PBIRAM = $D600 ;##rev2## parallel bus interface RAM area
816 ; Parallel Device Address Equates
818 PDID1 = $D803 ;##rev2## parallel device ID 1
819 PDIDV = $D805 ;##rev2## parallel device I/O vector
820 PDIRQV = $D808 ;##rev2## parallel device IRQ vector
821 PDID2 = $D80B ;##rev2## parallel device ID 2
822 PDVV = $D80D ;##rev2## parallel device vector table
824 ;-------------------------------------------------------------------------
825 ; PIA Address Equates
826 ;-------------------------------------------------------------------------
828 PIA = $D300 ;PIA area
830 PORTA = $D300 ;port A direction register or jacks one/two
831 PORTB = $D301 ;port B direction register or memory management
833 PACTL = $D302 ;port A control
834 PBCTL = $D303 ;port B control
836 ;-------------------------------------------------------------------------
837 ; Floating Point Package Address Equates
838 ;-------------------------------------------------------------------------
840 AFP = $D800 ;convert ASCII to floating point
841 FASC = $D8E6 ;convert floating point to ASCII
842 IFP = $D9AA ;convert integer to floating point
843 FPI = $D9D2 ;convert floating point to integer
844 ZFR0 = $DA44 ;zero FR0
845 ZF1 = $DA46 ;zero floating point number
846 FSUB = $DA60 ;subtract floating point numbers
847 FADD = $DA66 ;add floating point numbers
848 FMUL = $DADB ;multiply floating point numbers
849 FDIV = $DB28 ;divide floating point numbers
850 PLYEVL = $DD40 ;evaluate floating point polynomial
851 FLD0R = $DD89 ;load floating point number
852 FLD0P = $DD8D ;load floating point number
853 FLD1R = $DD98 ;load floating point number
854 PLD1P = $DD9C ;load floating point number
855 FST0R = $DDA7 ;store floating point number
856 FST0P = $DDAB ;store floating point number
857 FMOVE = $DDB6 ;move floating point number
858 LOG = $DECD ;calculate floating point logarithm
859 LOG10 = $DED1 ;calculate floating point base 10 logarithm
860 EXP = $DDC0 ;calculate floating point exponential
861 EXP10 = $DDCC ;calculate floating point base 10 exponential
863 ;-------------------------------------------------------------------------
864 ; Device Handler Vector Table Address Equates
865 ;-------------------------------------------------------------------------
867 EDITRV = $E400 ;editor handler vector table
868 SCRENV = $E410 ;screen handler vector table
869 KEYBDV = $E420 ;keyboard handler vector table
870 PRINTV = $E430 ;printer handler vector table
871 CASETV = $E440 ;cassette handler vector table
873 ;-------------------------------------------------------------------------
874 ; Jump Vector Address Equates
875 ;-------------------------------------------------------------------------
877 DISKIV = $E450 ;vector to initialize DIO
878 DSKINV = $E453 ;vector to DIO
880 .ifndef SHRAM_HANDLERS
881 .import CIO_handler, SIO_handler, SETVBV_handler
883 .define CIOV CIO_handler
884 .define SIOV SIO_handler
885 .define SETVBV SETVBV_handler
886 CIOV_org = $E456 ;vector to CIO
887 SIOV_org = $E459 ;vector to SIO
888 SETVBV_org = $E45C ;vector to set VBLANK parameters
890 CIOV = $E456 ;vector to CIO
891 SIOV = $E459 ;vector to SIO
892 SETVBV = $E45C ;vector to set VBLANK parameters
893 ; aliases in order not to have to sprinkle common code with .ifdefs
898 SYSVBV = $E45F ;vector to process immediate VBLANK
899 XITVBV = $E462 ;vector to process deferred VBLANK
900 SIOINV = $E465 ;vector to initialize SIO
901 SENDEV = $E468 ;vector to enable SEND
902 INTINV = $E46B ;vector to initialize interrupt handler
903 CIOINV = $E46E ;vector to initialize CIO
904 BLKBDV = $E471 ;vector to power-up display
905 WARMSV = $E474 ;vector to warmstart
906 COLDSV = $E477 ;vector to coldstart
907 RBLOKV = $E47A ;vector to read cassette block
908 CSOPIV = $E47D ;vector to open cassette for input
909 VCTABL = $E480 ;RAM vector initial value table
910 PUPDIV = $E480 ;##rev2## vector to power-up display
911 SLFTSV = $E483 ;##rev2## vector to self-test
912 PHENTV = $E486 ;##rev2## vector to enter peripheral handler
913 PHUNLV = $E489 ;##rev2## vector to unlink peripheral handler
914 PHINIV = $E48C ;##rev2## vector to initialize peripheral handler
915 GPDVV = $E48F ;##rev2## generic parallel device handler vector
917 ; NOTE: OS rom self-test labels are not included in this file
919 ;-------------------------------------------------------------------------
920 ; Some misc. stuff from the 400/800 rev.B source
921 ;-------------------------------------------------------------------------
923 ; THE FOLLOWING ARE IN BASIC CARTRIDGE:
924 SIN = $BD81 ;FR0 <- SIN (FR0) DEGFLG (0=RAD,6=DEG) CARRY
925 COS = $BD73 ;FR0 <- COS (FR0) CARRY
926 ATAN = $BE43 ;FR0 <- ATAN(FR0) CARRY
927 SQR = $BEB1 ;FR0 <- ROOT(FR0) CARRY
929 RADON = 0 ;INDICATES RADIANS
930 DEGON = 6 ;INDICATES DEGREES
932 ASCZER = '0' ;ASCII ZERO
933 COLON = $3A ;ASCII COLON
934 CR = $9B ;SYSTEM EOL (CARRIAGE RETURN)
936 ;-------------------------------------------------------------------------
938 ;-------------------------------------------------------------------------
944 ;-------------------------------------------------------------------------
946 ;-------------------------------------------------------------------------
948 LOMEM = $80 ;2-byte low memory pointer
949 VNTP = $82 ;2-byte variable name table address
950 VNTD = $84 ;2-byte variable name table end + 1
951 VVTP = $86 ;2-byte variable value table
952 STMTAB = $88 ;2-byte statement table address
953 STMCUR = $8A ;2-byte current statement pointer
954 STARP = $8C ;2-byte string and array table pointer
955 RUNSTK = $8E ;2-byte runtime stack address
956 BMEMTOP = $90 ;2-byte top of memory pointer
957 STOPLN = $BA ;2-byte stopped line number
958 ERRSAVE = $C3 ;1-byte error code
959 PTABW = $C9 ;1-byte tab width
961 ;-------------------------------------------------------------------------
962 ; ATASCII CHARACTER DEFS
963 ;-------------------------------------------------------------------------
965 ATCLR = $7D ;CLEAR SCREEN CHARACTER
966 ATRUB = $7E ;BACK SPACE (RUBOUT)
968 ATEOL = $9B ;END-OF-LINE
969 ATDELL = $9C ;delete line
970 ATINSL = $9D ;insert line
971 ATCTAB = $9E ;clear TAB
972 ATSTAB = $9F ;set TAB
973 ATBEL = $FD ;CONSOLE BELL
974 ATDEL = $FE ;delete char.
975 ATINS = $FF ;insert char.
976 ATURW = $1C ;UP-ARROW
977 ATDRW = $1D ;DOWN-ARROW
978 ATLRW = $1E ;LEFT-ARROW
979 ATRRW = $1F ;RIGHT-ARROW
982 ;-------------------------------------------------------------------------
983 ; OFFSETS INTO SECTSIZETAB (DIO functions)
984 ;-------------------------------------------------------------------------
986 sst_flag = 0 ; length 1
988 sst_driveno = 3 ; 1 (drive #)
989 sst_size = 4 ; size of one entry
990 ; if changed, adapt diopncls.s
992 ;-------------------------------------------------------------------------
993 ; OFFSETS INTO dio_phys_pos
994 ;-------------------------------------------------------------------------
996 diopp_head = 0 ; head
997 diopp_track = 1 ; track / cylinder
998 diopp_sector = 3 ; sector
999 diopp_size = 5 ; size of structure
1001 ;-------------------------------------------------------------------------
1002 ; VALUES for dos_type
1003 ;-------------------------------------------------------------------------
1011 ; The DOSes with dos_type below or equal MAX_DOS_WITH_CMDLINE do support
1012 ; command line arguments.
1013 MAX_DOS_WITH_CMDLINE = XDOS
1015 ;-------------------------------------------------------------------------
1016 ; XDOS defines (version 2.4, taken from xdos24.pdf)
1017 ;-------------------------------------------------------------------------
1019 XOPT = $070B ; XDOS options
1020 XCAR = $070C ; XDOS cartridge address (+ $70D)
1021 XPAT = $086F ; XDOS bugfix and patch number
1022 XVER = $0870 ; XDOS version number
1023 XFILE = $087D ; XDOS filename buffer
1024 XLINE = $0880 ; XDOS DUP input line
1025 XGLIN = $0871 ; get line
1026 XSKIP = $0874 ; skip parameter
1028 .ifndef SHRAM_HANDLERS
1029 .import XMOVE_handler
1031 .define XMOVE XMOVE_handler
1032 XMOVE_org = $0877 ; move filename
1034 XMOVE = $0877 ; move filename
1036 XGNUM = $087A ; get number
1038 ;-------------------------------------------------------------------------
1040 ;-------------------------------------------------------------------------