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
187 ; DCB Device Bus Equates
189 DISKID = $31 ;##rev2## disk bus ID
190 PDEVN = $40 ;##rev2## printer bus ID
191 CASET = $60 ;##rev2## cassette bus ID
193 ; Bus Command Equates
195 FOMAT = '!' ;##rev2## format command
196 PUTSEC = 'P' ;##rev2## put sector command
197 READ = 'R' ;##rev2## read command
198 STATC = 'S' ;##rev2## status command
199 WRITE = 'W' ;##rev2## write command
201 ; Command Auxiliary Byte Equates
203 DOUBLE = 'D' ;##rev2## print 20 characters double width
204 NORMAL = 'N' ;##rev2## print 40 characters normally
205 PLOT = 'P' ;##rev2## plot
206 SIDWAY = 'S' ;##rev2## print 16 characters sideways
208 ; Bus Response Equates
210 ACK = 'A' ;##rev2## device acknowledged
211 COMPLT = 'C' ;##rev2## device succesfully completed operation
212 ERROR = 'E' ;##rev2## device incurred error
213 NACK = 'N' ;##rev2## device did not understand
215 ; Floating Point Miscellaneous Equates
219 FMPREC = FPREC-1 ;##rev2## length of mantissa
221 ; Cassette Record Type Equates
223 HDR = $FB ;##rev2## header
224 DTA = $FC ;##rev2## data record
225 DT1 = $FA ;##rev2## last data record
226 EOT = $FE ;##rev2## end of tape (file)
228 TONE1 = 2 ;##rev2## record
229 TONE2 = 1 ;##rev2## playback
231 ; Cassette Timing Equates
233 WLEADN = 1152 ;##rev2## NTSC 19.2 second WRITE file leader
234 RLEADN = 576 ;##rev2## NTSC 9.6 second READ file leader
235 WIRGLN = 180 ;##rev2## NTSC 3.0 second WRITE IRG
236 RIRGLN = 120 ;##rev2## NTSC 2.0 second READ IRG
237 WSIRGN = 15 ;##rev2## NTSC 0.25 second WRITE short IRG
238 RSIRGN = 10 ;##rev2## NTSC 0.16 second READ short IRG
239 BEEPNN = 30 ;##rev2## NTSC 0.5 second beep duration
240 BEEPFN = 10 ;##rev2## NTSC 0.16 seconrd beep duration
242 WLEADP = 960 ;##rev2## PAL 19.2 second WRITE file leader
243 RLEADP = 480 ;##rev2## PAL 9.6 second READ file leader
244 WIRGLP = 150 ;##rev2## PAL 3.0 second WRITE IRG
245 RIRGLP = 100 ;##rev2## PAL 2.0 second READ IRG
246 WSIRGP = 13 ;##rev2## PAL 0.25 second WRITE short IRG
247 RSIRGP = 8 ;##rev2## PAL 0.16 second READ short IRG
248 BEEPNP = 25 ;##rev2## PAL 0.5 second beep duration
249 BEEPFP = 8 ;##rev2## PAL 0.16 seconrd beep duration
251 WIRGHI = 0 ;##rev2## high WRITE IRG
252 RIRGHI = 0 ;##rev2## high READ IRG
254 ; Power-up Validation Byte Value Equates
256 PUPVL1 = $5C ;##rev2## power-up validation value 1
257 PUPVL2 = $93 ;##rev2## power-up validation value 2
258 PUPVL3 = $25 ;##rev2## power-up validation value 3
260 ; Relocating Loader Miscellaneous Equates
262 DATAER = 156 ;##rev2## end of record appears before END
263 MEMERR = 157 ;##rev2## memory insufficient for load error
265 ; Miscellaneous Equates
267 IOCFRE = $FF ;IOCB free indication
269 B19200 = $0028 ;##rev2## 19200 baud POKEY counter value
270 B00600 = $05CC ;##rev2## 600 baud POKEY counter value
272 HITONE = $05 ;##rev2## FSK high freq. POKEY counter value
273 LOTONE = $07 ;##rev2## FSK low freq. POKEY counter value
275 NCOMLO = $34 ;##rev2## PIA lower NOT COMMAND line command
276 NCOMHI = $3C ;##rev2## PIA raise NOT COMMAND line command
278 MOTRGO = $34 ;##rev2## PIA cassette motor ON command
279 MOTRST = $3C ;##rev2## PIA cassette motor OFF command
281 NODAT = $00 ;##rev2## SIO immediate operation
282 GETDAT = $40 ;##rev2## SIO read data frame
283 PUTDAT = $80 ;##rev2## SIO write data frame
285 CRETRI = 13 ;##rev2## number of command frame retries
286 DRETRI = 1 ;##rev2## number of device retries
287 CTIM = 2 ;##rev2## command frame ACK timeout
289 NBUFSZ = 40 ;##rev2## print normal buffer size
290 DBUFSZ = 20 ;##rev2## print double buffer size
291 SBUFSZ = 29 ;##rev2## print sideways buffer size
293 ;-------------------------------------------------------------------------
294 ; Page Zero Address Equates
295 ;-------------------------------------------------------------------------
297 LINZBS = $00 ;LINBUG RAM (WILL BE REPLACED BY MONITOR RAM)
298 LNFLG = $00 ;##1200xl## 1-byte LNBUG flag (0 = not LNBUG)
299 NGFLAG = $01 ;##1200xl## 1-byte memory status (0 = failure)
303 CASINI = $02 ;CASSETTE INIT LOCATION
304 RAMLO = $04 ;RAM POINTER FOR MEMORY TEST
305 TRAMSZ = $06 ;TEMPORARY REGISTER FOR RAM SIZE
306 ;TSTDAT = $07 ;##old## RAM TEST DATA REGISTER
307 CMCMD = $07 ;##rev2## 1-byte command communications
309 ; Cleared upon Coldstart only
311 WARMST = $08 ;WARM START FLAG
312 BOOTQ = $09 ;SUCCESSFUL BOOT FLAG
313 DOSVEC = $0A ;DISK SOFTWARE START VECTOR
314 DOSINI = $0C ;DISK SOFTWARE INIT ADDRESS
315 APPMHI = $0E ;APPLICATIONS MEMORY HI LIMIT
317 ; Cleared upon Coldstart or Warmstart
319 INTZBS = $10 ;INTERRUPT HANDLER
321 POKMSK = $10 ;SYSTEM MASK FOR POKEY IRG ENABLE
322 BRKKEY = $11 ;BREAK KEY FLAG
323 RTCLOK = $12 ;REAL TIME CLOCK (IN 16 MSEC UNITS>
324 BUFADR = $15 ;INDIRECT BUFFER ADDRESS REGISTER
325 ICCOMT = $17 ;COMMAND FOR VECTOR
326 DSKFMS = $18 ;DISK FILE MANAGER POINTER
327 DSKUTL = $1A ;DISK UTILITIES POINTER
328 ABUFPT = $1C ;##1200xl## 4-byte ACMI buffer pointer area
330 ;PTIMOT = $1C ;##old## PRINTER TIME OUT REGISTER
331 ;PBPNT = $1D ;##old## PRINT BUFFER POINTER
332 ;PBUFSZ = $1E ;##old## PRINT BUFFER SIZE
333 ;PTEMP = $1F ;##old## TEMPORARY REGISTER
335 ZIOCB = $20 ;ZERO PAGE I/O CONTROL BLOCK
336 IOCBAS = $20 ;16-byte page zero IOCB
337 ICHIDZ = $20 ;HANDLER INDEX NUMBER (FF = IOCB FREE)
338 ICDNOZ = $21 ;DEVICE NUMBER (DRIVE NUMBER)
339 ICCOMZ = $22 ;COMMAND CODE
340 ICSTAZ = $23 ;STATUS OF LAST IOCB ACTION
341 ICBALZ = $24 ;BUFFER ADDRESS LOW BYTE
342 ICBAHZ = $25 ;1-byte high buffer address
343 ICPTLZ = $26 ;PUT BYTE ROUTINE ADDRESS -1
344 ICPTHZ = $27 ;1-byte high PUT-BYTE routine address
345 ICBLLZ = $28 ;BUFFER LENGTH LOW BYTE
346 ICBLHZ = $29 ;1-byte high buffer length
347 ICAX1Z = $2A ;AUXILIARY INFORMATION FIRST BYTE
348 ICAX2Z = $2B ;1-byte second auxiliary information
349 ICSPRZ = $2C ;4-byte spares
351 ENTVEC = $2C ;##rev2## 2-byte (not used)
352 ICIDNO = $2E ;IOCB NUMBER X 16
353 CIOCHR = $2F ;CHARACTER BYTE FOR CURRENT OPERATION
355 STATUS = $30 ;INTERNAL STATUS STORAGE
356 CHKSUM = $31 ;CHECKSUM (SINGLE BYTE SUM WITH CARRY)
357 BUFRLO = $32 ;POINTER TO DATA BUFFER (LO BYTE)
358 BUFRHI = $33 ;POINTER TO DATA BUFFER (HI BYTE)
359 BFENLO = $34 ;NEXT BYTE PAST END OF THE DATA BUFFER LO
360 BFENHI = $35 ;NEXT BYTE PAST END OF THE DATA BUFFER HI
361 ;CRETRY = $36 ;##old## NUMBER OF COMMAND FRAME RETRIES
362 ;DRETRY = $37 ;##old## NUMBER OF DEVICE RETRIES
363 LTEMP = $36 ;##1200xl## 2-byte loader temporary
364 BUFRFL = $38 ;DATA BUFFER FULL FLAG
365 RECVDN = $39 ;RECEIVE DONE FLAG
366 XMTDON = $3A ;TRANSMISSION DONE FLAG
367 CHKSNT = $3B ;CHECKSUM SENT FLAG
368 NOCKSM = $3C ;NO CHECKSUM FOLLOWS DATA FLAG
369 BPTR = $3D ;1-byte cassette buffer pointer
370 FTYPE = $3E ;1-byte cassette IRG type
371 FEOF = $3F ;1-byte cassette EOF flag (0 = quiet)
372 FREQ = $40 ;1-byte cassette beep counter
373 SOUNDR = $41 ;NOISY I/0 FLAG. (ZERO IS QUIET)
375 CRITIC = $42 ;DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
377 FMSZPG = $43 ;DISK FILE MANAGER SYSTEM ZERO PAGE
379 ;CKEY = $4A ;##old## FLAG SET WHEN GAME START PRESSED
380 ZCHAIN = $4A ;##1200xl## 2-byte handler linkage chain pointer
381 ;CASSBT = $4B ;##old## CASSETTE BOOT FLAG
382 DSTAT = $4C ;DISPLAY STATUS
383 ATRACT = $4D ;ATRACT FLAG
384 DRKMSK = $4E ;DARK ATRACT MASK
385 COLRSH = $4F ;ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD
388 TMPCHR = $50 ;1-byte temporary character
389 HOLD1 = $51 ;1-byte temporary
390 LMARGN = $52 ;left margin (normally 2, cc65 C startup code sets it to 0)
391 RMARGN = $53 ;right margin (normally 39 if no XEP80 is used)
392 ROWCRS = $54 ;1-byte cursor row
393 COLCRS = $55 ;2-byte cursor column
394 DINDEX = $57 ;1-byte display mode
395 SAVMSC = $58 ;2-byte saved memory scan counter
396 OLDROW = $5A ;1-byte prior row
397 OLDCOL = $5B ;2-byte prior column
398 OLDCHR = $5D ;DATA UNDER CURSOR
399 OLDADR = $5E ;2-byte saved cursor memory address
400 FKDEF = $60 ;##1200xl## 2-byte function key definition table
401 ;NEWROW = $60 ;##old## POINT DRAW GOES TO
402 ;NEWCOL = $61 ;##old##
403 PALNTS = $62 ;##1200xl## 1-byte PAL/NTSC indicator (0 = NTSC)
404 LOGCOL = $63 ;POINTS AT COLUMN IN LOGICAL LINE
405 ADRESS = $64 ;2-byte temporary address
407 MLTTMP = $66 ;1-byte temporary
408 OPNTMP = $66 ;FIRST BYTE IS USED IN OPEN AS TEMP
409 TOADR = $66 ;##rev2## 2-byte destination address
411 SAVADR = $68 ;2-byte saved address
412 FRMADR = $68 ;##rev2## 2-byte source address
414 RAMTOP = $6A ;RAM SIZE DEFINED BY POWER ON LOGIC
415 BUFCNT = $6B ;BUFFER COUNT
416 BUFSTR = $6C ;EDITOR GETCH POINTER
417 BITMSK = $6E ;BIT MASK
418 SHFAMT = $6F ;1-byte shift amount for pixel justifucation
419 ROWAC = $70 ;2-byte draw working row
420 COLAC = $72 ;2-byte draw working column
421 ENDPT = $74 ;2-byte end point
422 DELTAR = $76 ;1-byte row difference
423 DELTAC = $77 ;2-byte column difference
424 KEYDEF = $79 ;##1200xl## 2-byte key definition table address
425 ;ROWINC = $79 ;##old##
426 ;COLINC = $7A ;##old##
427 SWPFLG = $7B ;NON-0 1F TXT AND REGULAR RAM IS SWAPPED
428 HOLDCH = $7C ;CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH
429 INSDAT = $7D ;1-byte temporary
430 COUNTR = $7E ;2-byte draw iteration count
432 ; Floating Point Package Page Zero Address Equates
434 FR0 = $D4 ;6-byte register 0
435 FR0M = $D5 ;##rev2## 5-byte register 0 mantissa
436 QTEMP = $D9 ;##rev2## 1-byte temporary
438 FRE = $DA ;6-byte (internal) register E
441 FR1M = $E1 ;##rev2## 5-byte register 1 mantissa
443 FR2 = $E6 ;6-byte (internal) register 2
445 FRX = $EC ;1-byte temporary
447 EEXP = $ED ;VALUE OF E
449 FRSIGN = $EE ;##rev2## 1-byte floating point sign
450 NSIGN = $EE ;SIGN OF #
452 PLYCNT = $EF ;##rev2## 1-byte polynomial degree
453 ESIGN = $EF ;SIGN OF EXPONENT
455 SGNFLG = $F0 ;##rev2## 1-byte sign flag
456 FCHRFLG = $F0 ;1ST CHAR FLAG
458 XFMFLG = $F1 ;##rev2## 1-byte transform flag
459 DIGRT = $F1 ;# OF DIGITS RIGHT OF DECIMAL
461 CIX = $F2 ;CURRENT INPUT INDEX
462 INBUFF = $F3 ;POINTS TO USER'S LINE INPUT BUFFER
464 ZTEMP1 = $F5 ;2-byte temporary
465 ZTEMP4 = $F7 ;2-byte temporary
466 ZTEMP3 = $F9 ;2-byte temporary
468 ;DEGFLG = $FB ;##old## same as RADFLG
469 ;RADFLG = $FB ;##old## 0=RADIANS, 6=DEGREES
471 FLPTR = $FC ;2-byte floating point number pointer
472 FPTR2 = $FE ;2-byte floating point number pointer
474 ;-------------------------------------------------------------------------
475 ; Page Two Address Equates
476 ;-------------------------------------------------------------------------
478 INTABS = $0200 ;INTERRUPT RAM
480 VDSLST = $0200 ;DISPLAY LIST NMI VECTOR
481 VPRCED = $0202 ;PROCEED LINE IRQ VECTOR
482 VINTER = $0204 ;INTERRUPT LINE IRQ VECTOR
483 VBREAK = $0206 ;SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
484 VKEYBD = $0208 ;POKEY KEYBOARD IRQ VECTOR
485 VSERIN = $020A ;POKEY SERIAL INPUT READY IRQ
486 VSEROR = $020C ;POKEY SERIAL OUTPUT READY IRQ
487 VSEROC = $020E ;POKEY SERIAL OUTPUT COMPLETE IRQ
488 VTIMR1 = $0210 ;POKEY TIMER 1 IRG
489 VTIMR2 = $0212 ;POKEY TIMER 2 IRG
490 VTIMR4 = $0214 ;POKEY TIMER 4 IRG
491 VIMIRQ = $0216 ;IMMEDIATE IRG VECTOR
492 CDTMV1 = $0218 ;COUNT DOWN TIMER 1
493 CDTMV2 = $021A ;COUNT DOWN TIMER 2
494 CDTMV3 = $021C ;COUNT DOWN TIMER 3
495 CDTMV4 = $021E ;COUNT DOWN TIMER 4
496 CDTMV5 = $0220 ;COUNT DOWN TIMER 5
497 VVBLKI = $0222 ;IMMEDIATE VERTICAL BLANK NMI VECTOR
498 VVBLKD = $0224 ;DEFERRED VERTICAL BLANK NMI VECTOR
499 CDTMA1 = $0226 ;COUNT DOWN TIMER 1 JSR ADDRESS
500 CDTMA2 = $0228 ;COUNT DOWN TIMER 2 JSR ADDRESS
501 CDTMF3 = $022A ;COUNT DOWN TIMER 3 FLAG
502 SRTIMR = $022B ;SOFTWARE REPEAT TIMER
503 CDTMF4 = $022C ;COUNT DOWN TIMER 4 FLAG
504 INTEMP = $022D ;IAN'S TEMP
505 CDTMF5 = $022E ;COUNT DOWN TIMER FLAG 5
506 SDMCTL = $022F ;SAVE DMACTL REGISTER
507 SDLSTL = $0230 ;SAVE DISPLAY LIST LOW BYTE
508 SDLSTH = $0231 ;SAVE DISPLAY LIST HI BYTE
509 SSKCTL = $0232 ;SKCTL REGISTER RAM
510 LCOUNT = $0233 ;##1200xl## 1-byte relocating loader record
511 LPENH = $0234 ;LIGHT PEN HORIZONTAL VALUE
512 LPENV = $0235 ;LIGHT PEN VERTICAL VALUE
513 BRKKY = $0236 ;BREAK KEY VECTOR
514 ;RELADR = $0238 ;##1200xl## 2-byte relocatable loader address
515 VPIRQ = $0238 ;##rev2## 2-byte parallel device IRQ vector
516 CDEVIC = $023A ;COMMAND FRAME BUFFER - DEVICE
517 CCOMND = $023B ;COMMAND
518 CAUX1 = $023C ;COMMAND AUX BYTE 1
519 CAUX2 = $023D ;COMMAND AUX BYTE 2
521 TEMP = $023E ;TEMPORARY RAM CELL
523 ERRFLG = $023F ;ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
525 DFLAGS = $0240 ;DISK FLAGS FROM SECTOR ONE
526 DBSECT = $0241 ;NUMBER OF DISK BOOT SECTORS
527 BOOTAD = $0242 ;ADDRESS WHERE DISK BOOT LOADER WILL BE PUT
528 COLDST = $0244 ;COLDSTART FLAG (1=IN MIDDLE OF COLDSTART>
529 RECLEN = $0245 ;##1200xl## 1-byte relocating loader record length
530 DSKTIM = $0246 ;DISK TIME OUT REGISTER
531 ;LINBUF = $0247 ;##old## CHAR LINE BUFFER
532 PDVMSK = $0247 ;##rev2## 1-byte parallel device selection mask
533 SHPDVS = $0248 ;##rev2## 1-byte PDVS (parallel device select)
534 PDIMSK = $0249 ;##rev2## 1-byte parallel device IRQ selection
535 RELADR = $024A ;##rev2## 2-byte relocating loader relative adr.
536 PPTMPA = $024C ;##rev2## 1-byte parallel device handler temporary
537 PPTMPX = $024D ;##rev2## 1-byte parallel device handler temporary
539 CHSALT = $026B ;##1200xl## 1-byte character set alternate
540 VSFLAG = $026C ;##1200xl## 1-byte fine vertical scroll count
541 KEYDIS = $026D ;##1200xl## 1-byte keyboard disable
542 FINE = $026E ;##1200xl## 1-byte fine scrolling mode
543 GPRIOR = $026F ;GLOBAL PRIORITY CELL
545 PADDL0 = $0270 ;1-byte potentiometer 0
546 PADDL1 = $0271 ;1-byte potentiometer 1
547 PADDL2 = $0272 ;1-byte potentiometer 2
548 PADDL3 = $0273 ;1-byte potentiometer 3
549 PADDL4 = $0274 ;1-byte potentiometer 4
550 PADDL5 = $0275 ;1-byte potentiometer 5
551 PADDL6 = $0276 ;1-byte potentiometer 6
552 PADDL7 = $0277 ;1-byte potentiometer 7
554 STICK0 = $0278 ;1-byte joystick 0
555 STICK1 = $0279 ;1-byte joystick 1
556 STICK2 = $027A ;1-byte joystick 2
557 STICK3 = $027B ;1-byte joystick 3
559 PTRIG0 = $027C ;1-byte paddle trigger 0
560 PTRIG1 = $027D ;1-byte paddle trigger 1
561 PTRIG2 = $027E ;1-byte paddle trigger 2
562 PTRIG3 = $027F ;1-byte paddle trigger 3
563 PTRIG4 = $0280 ;1-byte paddle trigger 4
564 PTRIG5 = $0281 ;1-byte paddle trigger 5
565 PTRIG6 = $0281 ;1-byte paddle trigger 6
566 PTRIG7 = $0283 ;1-byte paddle trigger 7
568 STRIG0 = $0284 ;1-byte joystick trigger 0
569 STRIG1 = $0285 ;1-byte joystick trigger 1
570 STRIG2 = $0286 ;1-byte joystick trigger 2
571 STRIG3 = $0287 ;1-byte joystick trigger 3
573 ;CSTAT = $0288 ;##old## cassette status register
574 HIBYTE = $0288 ;##1200xl## 1-byte relocating loader high byte
575 WMODE = $0289 ;1-byte cassette WRITE mode
576 BLIM = $028A ;1-byte cassette buffer limit
577 IMASK = $028B ;##rev2## (not used)
578 JVECK = $028C ;2-byte jump vector or temporary
579 NEWADR = $028E ;##1200xl## 2-byte relocating address
580 TXTROW = $0290 ;TEXT ROWCRS
581 TXTCOL = $0291 ;TEXT COLCRS
582 TINDEX = $0293 ;TEXT INDEX
583 TXTMSC = $0294 ;FOOLS CONVRT INTO NEW MSC
584 TXTOLD = $0296 ;OLDROW & OLDCOL FOR TEXT (AND THEN SOME)
585 ;TMPX1 = $029C ;##old## 1-byte temporary register
586 CRETRY = $029C ;##1200xl## 1-byte number of command frame retries
587 HOLD3 = $029D ;1-byte temporary
588 SUBTMP = $029E ;1-byte temporary
589 HOLD2 = $029F ;1-byte (not used)
590 DMASK = $02A0 ;1-byte display (pixel location) mask
591 TMPLBT = $02A1 ;1-byte (not used)
592 ESCFLG = $02A2 ;ESCAPE FLAG
593 TABMAP = $02A3 ;15-byte (120 bit) tab stop bit map
594 LOGMAP = $02B2 ;LOGICAL LINE START BIT MAP
595 INVFLG = $02B6 ;INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY)
596 FILFLG = $02B7 ;RIGHT FILL FLAG FOR DRAW
597 TMPROW = $02B8 ;1-byte temporary row
598 TMPCOL = $02B9 ;2-byte temporary column
599 SCRFLG = $02BB ;SET IF SCROLL OCCURS
600 HOLD4 = $02BC ;TEMP CELL USED IN DRAW ONLY
601 ;HOLD5 = $02BD ;##old## DITTO
602 DRETRY = $02BD ;##1200xl## 1-byte number of device retries
603 SHFLOK = $02BE ;1-byte shift/control lock flags
604 BOTSCR = $02BF ;BOTTOM OF SCREEN 24 NORM 4 SPLIT
606 PCOLR0 = $02C0 ;1-byte player-missile 0 color/luminance
607 PCOLR1 = $02C1 ;1-byte player-missile 1 color/luminance
608 PCOLR2 = $02C2 ;1-byte player-missile 2 color/luminance
609 PCOLR3 = $02C3 ;1-byte player-missile 3 color/luminance
611 COLOR0 = $02C4 ;1-byte playfield 0 color/luminance
612 COLOR1 = $02C5 ;1-byte playfield 1 color/luminance
613 COLOR2 = $02C6 ;1-byte playfield 2 color/luminance
614 COLOR3 = $02C7 ;1-byte playfield 3 color/luminance
616 COLOR4 = $02C8 ;1-byte background color/luminance
618 PARMBL = $02C9 ;##rev2## 6-byte relocating loader parameter
619 RUNADR = $02C9 ;##1200xl## 2-byte run address
620 HIUSED = $02CB ;##1200xl## 2-byte highest non-zero page address
621 ZHIUSE = $02CD ;##1200xl## 2-byte highest zero page address
623 OLDPAR = $02CF ;##rev2## 6-byte relocating loader parameter
624 GBYTEA = $02CF ;##1200xl## 2-byte GET-BYTE routine address
625 LOADAD = $02D1 ;##1200xl## 2-byte non-zero page load address
626 ZLOADA = $02D3 ;##1200xl## 2-byte zero page load address
628 DSCTLN = $02D5 ;##1200xl## 2-byte disk sector length
629 ACMISR = $02D7 ;##1200xl## 2-byte ACMI interrupt service routine
630 KRPDEL = $02D9 ;##1200xl## 1-byte auto-repeat delay
631 KEYREP = $02DA ;##1200xl## 1-byte auto-repeat rate
632 NOCLIK = $02DB ;##1200xl## 1-byte key click disable
633 HELPFG = $02DC ;##1200xl## 1-byte HELP key flag (0 = no HELP)
634 DMASAV = $02DD ;##1200xl## 1-byte SDMCTL save/restore
635 PBPNT = $02DE ;##1200xl## 1-byte printer buffer pointer
636 PBUFSZ = $02DF ;##1200xl## 1-byte printer buffer size
638 GLBABS = $02E0 ;4-byte global variables for non-DOS users
639 RUNAD = $02E0 ;##map## 2-byte binary file run address
640 INITAD = $02E2 ;##map## 2-byte binary file initialization address
642 RAMSIZ = $02E4 ;RAM SIZE (HI BYTE ONLY)
643 MEMTOP = $02E5 ;TOP OF AVAILABLE USER MEMORY
644 MEMLO = $02E7 ;BOTTOM OF AVAILABLE USER MEMORY
645 HNDLOD = $02E9 ;##1200xl## 1-byte user load flag
646 DVSTAT = $02EA ;STATUS BUFFER
647 CBAUDL = $02EE ;1-byte low cassette baud rate
648 CBAUDH = $02EF ;1-byte high cassette baud rate
649 CRSINH = $02F0 ;CURSOR INHIBIT (00 = CURSOR ON)
650 KEYDEL = $02F1 ;KEY DELAY
651 CH1 = $02F2 ;1-byte prior keyboard character
652 CHACT = $02F3 ;CHACTL REGISTER RAM
653 CHBAS = $02F4 ;CHBAS REGISTER RAM
655 NEWROW = $02F5 ;##1200xl## 1-byte draw destination row
656 NEWCOL = $02F6 ;##1200xl## 2-byte draw destination column
657 ROWINC = $02F8 ;##1200xl## 1-byte draw row increment
658 COLINC = $02F9 ;##1200xl## 1-byte draw column increment
660 CHAR = $02FA ;1-byte internal character
661 ATACHR = $02FB ;ATASCII CHARACTER
662 CH = $02FC ;GLOBAL VARIABLE FOR KEYBOARD
663 FILDAT = $02FD ;RIGHT FILL DATA <DRAW>
664 DSPFLG = $02FE ;DISPLAY FLAG DISPLAY CNTLS IF NON-ZERO
665 SSFLAG = $02FF ;START/STOP FLAG FOR PAGING (CNTL 1). CLEARE
667 ;-------------------------------------------------------------------------
668 ; Page Three Address Equates
669 ;-------------------------------------------------------------------------
671 DCB = $0300 ;DEVICE CONTROL BLOCK
672 DDEVIC = $0300 ;PERIPHERAL UNIT 1 BUS I.D. NUMBER
673 DUNIT = $0301 ;UNIT NUMBER
674 DCOMND = $0302 ;BUS COMMAND
675 DSTATS = $0303 ;COMMAND TYPE/STATUS RETURN
676 DBUFLO = $0304 ;1-byte low data buffer address
677 DBUFHI = $0305 ;1-byte high data buffer address
678 DTIMLO = $0306 ;DEVICE TIME OUT IN 1 SECOND UNITS
679 DUNUSE = $0307 ;UNUSED BYTE
680 DBYTLO = $0308 ;1-byte low number of bytes to transfer
681 DBYTHI = $0309 ;1-byte high number of bytes to transfer
682 DAUX1 = $030A ;1-byte first command auxiliary
683 DAUX2 = $030B ;1-byte second command auxiliary
685 TIMER1 = $030C ;INITIAL TIMER VALUE
686 ;ADDCOR = $030E ;##old## ADDITION CORRECTION
687 JMPERS = $030E ;##1200xl## 1-byte jumper options
688 CASFLG = $030F ;CASSETTE MODE WHEN SET
689 TIMER2 = $0310 ;2-byte final baud rate timer value
690 TEMP1 = $0312 ;TEMPORARY STORAGE REGISTER
691 ;TEMP2 = $0314 ;##old## TEMPORARY STORAGE REGISTER
692 TEMP2 = $0313 ;##1200xl## 1-byte temporary
693 PTIMOT = $0314 ;##1200xl## 1-byte printer timeout
694 TEMP3 = $0315 ;TEMPORARY STORAGE REGISTER
695 SAVIO = $0316 ;SAVE SERIAL IN DATA PORT
696 TIMFLG = $0317 ;TIME OUT FLAG FOR BAUD RATE CORRECTION
697 STACKP = $0318 ;SIO STACK POINTER SAVE CELL
698 TSTAT = $0319 ;TEMPORARY STATUS HOLDER
700 HATABS = $031A ;35-byte handler address table (was 38 bytes)
701 PUPBT1 = $033D ;##1200xl## 1-byte power-up validation byte 1
702 PUPBT2 = $033E ;##1200xl## 1-byte power-up validation byte 2
703 PUPBT3 = $033F ;##1200xl## 1-byte power-up validation byte 3
705 IOCB = $0340 ;I/O CONTROL BLOCKS
706 ICHID = $0340 ;HANDLER INDEX NUMBER (FF=IOCB FREE)
707 ICDNO = $0341 ;DEVICE NUMBER (DRIVE NUMBER)
708 ICCOM = $0342 ;COMMAND CODE
709 ICSTA = $0343 ;STATUS OF LAST IOCB ACTION
710 ICBAL = $0344 ;1-byte low buffer address
711 ICBAH = $0345 ;1-byte high buffer address
712 ICPTL = $0346 ;1-byte low PUT-BYTE routine address - 1
713 ICPTH = $0347 ;1-byte high PUT-BYTE routine address - 1
714 ICBLL = $0348 ;1-byte low buffer length
715 ICBLH = $0349 ;1-byte high buffer length
716 ICAX1 = $034A ;1-byte first auxiliary information
717 ICAX2 = $034B ;1-byte second auxiliary information
718 ICAX3 = $034C ;1-byte third auxiliary information
719 ICAX4 = $034D ;1-byte fourth auxiliary information
720 ICAX5 = $034E ;1-byte fifth auxiliary information
721 ICSPR = $034F ;SPARE BYTE
723 PRNBUF = $03C0 ;PRINTER BUFFER
724 SUPERF = $03E8 ;##1200xl## 1-byte editor super function flag
725 CKEY = $03E9 ;##1200xl## 1-byte cassette boot request flag
726 CASSBT = $03EA ;##1200xl## 1-byte cassette boot flag
727 CARTCK = $03EB ;##1200xl## 1-byte cartridge equivalence check
728 DERRF = $03EC ;##rev2## 1-byte screen OPEN error flag
730 ; Remainder of Page Three Not Cleared upon Reset
732 ACMVAR = $03ED ;##1200xl## 11 bytes reserved for ACMI
733 BASICF = $03F8 ;##rev2## 1-byte BASIC switch flag
734 MINTLK = $03F9 ;##1200xl## 1-byte ACMI module interlock
735 GINTLK = $03FA ;##1200xl## 1-byte cartridge interlock
736 CHLINK = $03FB ;##1200xl## 2-byte loaded handler chain link
737 CASBUF = $03FD ;CASSETTE BUFFER
739 ;-------------------------------------------------------------------------
740 ; Page Four/Five Address Equates
741 ;-------------------------------------------------------------------------
743 ; USER AREA STARTS HERE AND GOES TO END OF PAGE FIVE
744 USAREA = $0480 ;128 bytes reserved for application
746 LBPR1 = $057E ;LBUFF PREFIX 1
747 LBPR2 = $057F ;LBUFF PREFIX 2
748 LBUFF = $0580 ;128-byte line buffer
750 PLYARG = $05E0 ;6-byte floating point polynomial argument
751 FPSCR = $05E6 ;6-byte floating point temporary
752 FPSCR1 = $05EC ;6-byte floating point temporary
754 ;LBFEND = $05FF ;##old## END OF LBUFF
759 ;-------------------------------------------------------------------------
760 ; Cartridge Address Equates
761 ;-------------------------------------------------------------------------
763 CARTCS = $BFFA ;##rev2## 2-byte cartridge coldstart address
764 CART = $BFFC ;##rev2## 1-byte cartridge present indicator
765 CARTFG = $BFFD ;##rev2## 1-byte cartridge flags
766 CARTAD = $BFFE ;##rev2## 2-byte cartridge start vector
768 ;-------------------------------------------------------------------------
769 ; CTIA/GTIA Address Equates
770 ;-------------------------------------------------------------------------
772 GTIA = $D000 ;CTIA/GTIA area
774 ; Read/Write Addresses
776 CONSOL = $D01F ;console switches and speaker control
780 M0PF = $D000 ;missile 0 and playfield collision
781 M1PF = $D001 ;missile 1 and playfield collision
782 M2PF = $D002 ;missile 2 and playfield collision
783 M3PF = $D003 ;missile 3 and playfield collision
785 P0PF = $D004 ;player 0 and playfield collision
786 P1PF = $D005 ;player 1 and playfield collision
787 P2PF = $D006 ;player 2 and playfield collision
788 P3PF = $D007 ;player 3 and playfield collision
790 M0PL = $D008 ;missile 0 and player collision
791 M1PL = $D009 ;missile 1 and player collision
792 M2PL = $D00A ;missile 2 and player collision
793 M3PL = $D00B ;missile 3 and player collision
795 P0PL = $D00C ;player 0 and player collision
796 P1PL = $D00D ;player 1 and player collision
797 P2PL = $D00E ;player 2 and player collision
798 P3PL = $D00F ;player 3 and player collision
800 TRIG0 = $D010 ;joystick trigger 0
801 TRIG1 = $D011 ;joystick trigger 1
803 TRIG2 = $D012 ;cartridge interlock
804 TRIG3 = $D013 ;ACMI module interlock
806 PAL = $D014 ;##rev2## PAL/NTSC indicator
810 HPOSP0 = $D000 ;player 0 horizontal position
811 HPOSP1 = $D001 ;player 1 horizontal position
812 HPOSP2 = $D002 ;player 2 horizontal position
813 HPOSP3 = $D003 ;player 3 horizontal position
815 HPOSM0 = $D004 ;missile 0 horizontal position
816 HPOSM1 = $D005 ;missile 1 horizontal position
817 HPOSM2 = $D006 ;missile 2 horizontal position
818 HPOSM3 = $D007 ;missile 3 horizontal position
820 SIZEP0 = $D008 ;player 0 size
821 SIZEP1 = $D009 ;player 1 size
822 SIZEP2 = $D00A ;player 2 size
823 SIZEP3 = $D00B ;player 3 size
825 SIZEM = $D00C ;missile sizes
827 GRAFP0 = $D00D ;player 0 graphics
828 GRAFP1 = $D00E ;player 1 graphics
829 GRAFP2 = $D00F ;player 2 graphics
830 GRAFP3 = $D010 ;player 3 graphics
832 GRAFM = $D011 ;missile graphics
834 COLPM0 = $D012 ;player-missile 0 color/luminance
835 COLPM1 = $D013 ;player-missile 1 color/luminance
836 COLPM2 = $D014 ;player-missile 2 color/luminance
837 COLPM3 = $D015 ;player-missile 3 color/luminance
839 COLPF0 = $D016 ;playfield 0 color/luminance
840 COLPF1 = $D017 ;playfield 1 color/luminance
841 COLPF2 = $D018 ;playfield 2 color/luminance
842 COLPF3 = $D019 ;playfield 3 color/luminance
844 COLBK = $D01A ;background color/luminance
846 PRIOR = $D01B ;priority select
847 VDELAY = $D01C ;vertical delay
848 GRACTL = $D01D ;graphic control
849 HITCLR = $D01E ;collision clear
851 ;-------------------------------------------------------------------------
852 ; PBI Address Equates
853 ;-------------------------------------------------------------------------
855 PBI = $D100 ;##rev2## parallel bus interface area
859 PDVI = $D1FF ;##rev2## parallel device IRQ status
863 PDVS = $D1FF ;##rev2## parallel device select
865 ; PBI RAM Address Equates
867 PBIRAM = $D600 ;##rev2## parallel bus interface RAM area
869 ; Parallel Device Address Equates
871 PDID1 = $D803 ;##rev2## parallel device ID 1
872 PDIDV = $D805 ;##rev2## parallel device I/O vector
873 PDIRQV = $D808 ;##rev2## parallel device IRQ vector
874 PDID2 = $D80B ;##rev2## parallel device ID 2
875 PDVV = $D80D ;##rev2## parallel device vector table
877 ;-------------------------------------------------------------------------
878 ; POKEY Address Equates
879 ;-------------------------------------------------------------------------
881 POKEY = $D200 ;POKEY area
885 POT0 = $D200 ;potentiometer 0
886 POT1 = $D201 ;potentiometer 1
887 POT2 = $D202 ;potentiometer 2
888 POT3 = $D203 ;potentiometer 3
889 POT4 = $D204 ;potentiometer 4
890 POT5 = $D205 ;potentiometer 5
891 POT6 = $D206 ;potentiometer 6
892 POT7 = $D207 ;potentiometer 7
894 ALLPOT = $D208 ;potentiometer port status
895 KBCODE = $D209 ;keyboard code
896 RANDOM = $D20A ;random number generator
897 SERIN = $D20D ;serial port input
898 IRQST = $D20E ;IRQ interrupt status
899 SKSTAT = $D20F ;serial port and keyboard status
903 AUDF1 = $D200 ;channel 1 audio frequency
904 AUDC1 = $D201 ;channel 1 audio control
906 AUDF2 = $D202 ;channel 2 audio frequency
907 AUDC2 = $D203 ;channel 2 audio control
909 AUDF3 = $D204 ;channel 3 audio frequency
910 AUDC3 = $D205 ;channel 3 audio control
912 AUDF4 = $D206 ;channel 4 audio frequency
913 AUDC4 = $D207 ;channel 4 audio control
915 AUDCTL = $D208 ;audio control
916 STIMER = $D209 ;start timers
917 SKRES = $D20A ;reset SKSTAT status
918 POTGO = $D20B ;start potentiometer scan sequence
919 SEROUT = $D20D ;serial port output
920 IRQEN = $D20E ;IRQ interrupt enable
921 SKCTL = $D20F ;serial port and keyboard control
923 ;-------------------------------------------------------------------------
924 ; PIA Address Equates
925 ;-------------------------------------------------------------------------
927 PIA = $D300 ;PIA area
929 PORTA = $D300 ;port A direction register or jacks one/two
930 PORTB = $D301 ;port B direction register or memory management
932 PACTL = $D302 ;port A control
933 PBCTL = $D303 ;port B control
935 ;-------------------------------------------------------------------------
936 ; ANTIC Address Equates
937 ;-------------------------------------------------------------------------
939 ANTIC = $D400 ;ANTIC area
943 VCOUNT = $D40B ;vertical line counter
944 PENH = $D40C ;light pen horizontal position
945 PENV = $D40D ;light pen vertical position
946 NMIST = $D40F ;NMI interrupt status
950 DMACTL = $D400 ;DMA control
951 CHACTL = $D401 ;character control
952 DLISTL = $D402 ;low display list address
953 DLISTH = $D403 ;high display list address
954 HSCROL = $D404 ;horizontal scroll
955 VSCROL = $D405 ;vertical scroll
956 PMBASE = $D407 ;player-missile base address
957 CHBASE = $D409 ;character base address
958 WSYNC = $D40A ;wait for HBLANK synchronization
959 NMIEN = $D40E ;NMI enable
960 NMIRES = $D40F ;NMI interrupt reset
962 ;-------------------------------------------------------------------------
963 ; Floating Point Package Address Equates
964 ;-------------------------------------------------------------------------
966 AFP = $D800 ;convert ASCII to floating point
967 FASC = $D8E6 ;convert floating point to ASCII
968 IFP = $D9AA ;convert integer to floating point
969 FPI = $D9D2 ;convert floating point to integer
970 ZFR0 = $DA44 ;zero FR0
971 ZF1 = $DA46 ;zero floating point number
972 FSUB = $DA60 ;subtract floating point numbers
973 FADD = $DA66 ;add floating point numbers
974 FMUL = $DADB ;multiply floating point numbers
975 FDIV = $DB28 ;divide floating point numbers
976 PLYEVL = $DD40 ;evaluate floating point polynomial
977 FLD0R = $DD89 ;load floating point number
978 FLD0P = $DD8D ;load floating point number
979 FLD1R = $DD98 ;load floating point number
980 PLD1P = $DD9C ;load floating point number
981 FST0R = $DDA7 ;store floating point number
982 FST0P = $DDAB ;store floating point number
983 FMOVE = $DDB6 ;move floating point number
984 LOG = $DECD ;calculate floating point logarithm
985 LOG10 = $DED1 ;calculate floating point base 10 logarithm
986 EXP = $DDC0 ;calculate floating point exponential
987 EXP10 = $DDCC ;calculate floating point base 10 exponential
989 ;-------------------------------------------------------------------------
990 ; Device Handler Vector Table Address Equates
991 ;-------------------------------------------------------------------------
993 EDITRV = $E400 ;editor handler vector table
994 SCRENV = $E410 ;screen handler vector table
995 KEYBDV = $E420 ;keyboard handler vector table
996 PRINTV = $E430 ;printer handler vector table
997 CASETV = $E440 ;cassette handler vector table
999 ;-------------------------------------------------------------------------
1000 ; Jump Vector Address Equates
1001 ;-------------------------------------------------------------------------
1003 DISKIV = $E450 ;vector to initialize DIO
1004 DSKINV = $E453 ;vector to DIO
1006 .ifndef SHRAM_HANDLERS
1007 .import CIO_handler, SIO_handler, SETVBV_handler
1009 .define CIOV CIO_handler
1010 .define SIOV SIO_handler
1011 .define SETVBV SETVBV_handler
1012 CIOV_org = $E456 ;vector to CIO
1013 SIOV_org = $E459 ;vector to SIO
1014 SETVBV_org = $E45C ;vector to set VBLANK parameters
1016 CIOV = $E456 ;vector to CIO
1017 SIOV = $E459 ;vector to SIO
1018 SETVBV = $E45C ;vector to set VBLANK parameters
1020 SYSVBV = $E45F ;vector to process immediate VBLANK
1021 XITVBV = $E462 ;vector to process deferred VBLANK
1022 SIOINV = $E465 ;vector to initialize SIO
1023 SENDEV = $E468 ;vector to enable SEND
1024 INTINV = $E46B ;vector to initialize interrupt handler
1025 CIOINV = $E46E ;vector to initialize CIO
1026 BLKBDV = $E471 ;vector to power-up display
1027 WARMSV = $E474 ;vector to warmstart
1028 COLDSV = $E477 ;vector to coldstart
1029 RBLOKV = $E47A ;vector to read cassette block
1030 CSOPIV = $E47D ;vector to open cassette for input
1031 VCTABL = $E480 ;RAM vector initial value table
1032 PUPDIV = $E480 ;##rev2## vector to power-up display
1033 SLFTSV = $E483 ;##rev2## vector to self-test
1034 PHENTV = $E486 ;##rev2## vector to enter peripheral handler
1035 PHUNLV = $E489 ;##rev2## vector to unlink peripheral handler
1036 PHINIV = $E48C ;##rev2## vector to initialize peripheral handler
1037 GPDVV = $E48F ;##rev2## generic parallel device handler vector
1039 ; NOTE: OS rom self-test labels are not included in this file
1041 ;-------------------------------------------------------------------------
1042 ; Some misc. stuff from the 400/800 rev.B source
1043 ;-------------------------------------------------------------------------
1045 ; THE FOLLOWING ARE IN BASIC CARTRIDGE:
1046 SIN = $BD81 ;FR0 <- SIN (FR0) DEGFLG (0=RAD,6=DEG) CARRY
1047 COS = $BD73 ;FR0 <- COS (FR0) CARRY
1048 ATAN = $BE43 ;FR0 <- ATAN(FR0) CARRY
1049 SQR = $BEB1 ;FR0 <- ROOT(FR0) CARRY
1051 RADON = 0 ;INDICATES RADIANS
1052 DEGON = 6 ;INDICATES DEGREES
1054 ASCZER = '0' ;ASCII ZERO
1055 COLON = $3A ;ASCII COLON
1056 CR = $9B ;SYSTEM EOL (CARRIAGE RETURN)
1058 ;-------------------------------------------------------------------------
1060 ;-------------------------------------------------------------------------
1066 ;-------------------------------------------------------------------------
1068 ;-------------------------------------------------------------------------
1070 LOMEM = $80 ;2-byte low memory pointer
1071 VNTP = $82 ;2-byte variable name table address
1072 VNTD = $84 ;2-byte variable name table end + 1
1073 VVTP = $86 ;2-byte variable value table
1074 STMTAB = $88 ;2-byte statement table address
1075 STMCUR = $8A ;2-byte current statement pointer
1076 STARP = $8C ;2-byte string and array table pointer
1077 RUNSTK = $8E ;2-byte runtime stack address
1078 BMEMTOP = $90 ;2-byte top of memory pointer
1079 STOPLN = $BA ;2-byte stopped line number
1080 ERRSAVE = $C3 ;1-byte error code
1081 PTABW = $C9 ;1-byte tab width
1083 ;-------------------------------------------------------------------------
1084 ; ATASCII CHARACTER DEFS
1085 ;-------------------------------------------------------------------------
1087 ATCLR = $7D ;CLEAR SCREEN CHARACTER
1088 ATRUB = $7E ;BACK SPACE (RUBOUT)
1090 ATEOL = $9B ;END-OF-LINE
1091 ATDELL = $9C ;delete line
1092 ATINSL = $9D ;insert line
1093 ATCTAB = $9E ;clear TAB
1094 ATSTAB = $9F ;set TAB
1095 ATBEL = $FD ;CONSOLE BELL
1096 ATDEL = $FE ;delete char.
1097 ATINS = $FF ;insert char.
1098 ATURW = $1C ;UP-ARROW
1099 ATDRW = $1D ;DOWN-ARROW
1100 ATLRW = $1E ;LEFT-ARROW
1101 ATRRW = $1F ;RIGHT-ARROW
1104 ;-------------------------------------------------------------------------
1105 ; OFFSETS INTO SECTSIZETAB (DIO functions)
1106 ;-------------------------------------------------------------------------
1108 sst_flag = 0 ; length 1
1109 sst_sectsize = 1 ; 2
1110 sst_driveno = 3 ; 1 (drive #)
1111 sst_size = 4 ; size of one entry
1112 ; if changed, adapt diopncls.s
1114 ;-------------------------------------------------------------------------
1115 ; OFFSETS INTO dio_phys_pos
1116 ;-------------------------------------------------------------------------
1118 diopp_head = 0 ; head
1119 diopp_track = 1 ; track / cylinder
1120 diopp_sector = 3 ; sector
1121 diopp_size = 5 ; size of structure
1123 ;-------------------------------------------------------------------------
1124 ; VALUES for dos_type
1125 ;-------------------------------------------------------------------------
1134 ;-------------------------------------------------------------------------
1136 ;-------------------------------------------------------------------------
1143 ; .byte DL_CHR40x8x1 + DL_LMS + DL_DLI
1144 ; .word ScreenAlignment
1145 ; .byte DL_BLK1 + DL_DLI
1146 ; .byte DL_MAP320x1x1 + DL_LMS
1150 ; .byte DL_MAP320x1x1
1152 ; .byte DL_MAP320x1x1 + DL_LMS
1153 ; .word Screen + 40 * 100 ; 100 lines a 40 byte, 'Screen' has to be aligned correctly!
1155 ; .byte DL_MAP320x1x1
1160 ; absolute instructions (non mode lines)
1174 ; absolute instructions (mode lines)
1176 DL_CHR40x8x1 = 2 ; monochrome, 40 character & 8 scanlines per mode line (GR. 0)
1177 DL_CHR40x10x1 = 3 ; monochrome, 40 character & 10 scanlines per mode line
1178 DL_CHR40x8x4 = 4 ; colour, 40 character & 8 scanlines per mode line (GR. 12)
1179 DL_CHR40x16x4 = 5 ; colour, 40 character & 16 scanlines per mode line (GR. 13)
1180 DL_CHR20x8x2 = 6 ; colour (duochrome per character), 20 character & 8 scanlines per mode line (GR. 1)
1181 DL_CHR20x16x2 = 7 ; colour (duochrome per character), 20 character & 16 scanlines per mode line (GR. 2)
1183 DL_MAP40x8x4 = 8 ; colour, 40 pixel & 8 scanlines per mode line (GR. 3)
1184 DL_MAP80x4x2 = 9 ; 'duochrome', 80 pixel & 4 scanlines per mode line (GR.4)
1185 DL_MAP80x4x4 = 10 ; colour, 80 pixel & 4 scanlines per mode line (GR.5)
1186 DL_MAP160x2x2 = 11 ; 'duochrome', 160 pixel & 2 scanlines per mode line (GR.6)
1187 DL_MAP160x1x2 = 12 ; 'duochrome', 160 pixel & 1 scanline per mode line (GR.14)
1188 DL_MAP160x2x4 = 13 ; 4 colours, 160 pixel & 2 scanlines per mode line (GR.7)
1189 DL_MAP160x1x4 = 14 ; 4 colours, 160 pixel & 1 scanline per mode line (GR.15)
1190 DL_MAP320x1x1 = 15 ; monochrome, 320 pixel & 1 scanline per mode line (GR.8)
1192 ; modifiers on mode lines...
1198 ; general modifier...
1202 ;-------------------------------------------------------------------------
1204 ;-------------------------------------------------------------------------
projects / cc65 / blob