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millfork/include/a8_os.mfk

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added a8_os module and test
2019-10-23 12:43:36 +00:00
// Atari System Equates
//
// Based on cc65\asminc\atari.inc
// 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
#if not(ATARI_8)
#warn a8_os module should be used only on Atari computer-compatible targets
#endif
const byte os_MAXDEV = 33 // offset to last possible entry of HATABS
const byte os_IOCBSZ = 16 // length of IOCB
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
const byte os_SEIOCB = 0 * os_IOCBSZ // ##rev2## screen editor IOCB index
const byte os_MAXIOC = 8 * os_IOCBSZ // first invalid IOCB index
added a8_os module and test
2019-10-23 12:43:36 +00:00
const byte os_DSCTSZ = 128 // ##rev2## disk sector size
const byte os_LEDGE = 2 // left edge
const byte os_REDGE = 39 // right edge
// Index values for IOCB
const byte os_ICHID = $00 // HANDLER INDEX NUMBER (FF=IOCB FREE)
const byte os_ICDNO = $01 // DEVICE NUMBER (DRIVE NUMBER)
const byte os_ICCOM = $02 // COMMAND CODE
const byte os_ICSTA = $03 // STATUS OF LAST IOCB ACTION
const byte os_ICBAL = $04 // 1-byte low buffer address
const byte os_ICBAH = $05 // 1-byte high buffer address
const byte os_ICPTL = $06 // 1-byte low PUT-BYTE routine address - 1
const byte os_ICPTH = $07 // 1-byte high PUT-BYTE routine address - 1
const byte os_ICBLL = $08 // 1-byte low buffer length
const byte os_ICBLH = $09 // 1-byte high buffer length
const byte os_ICAX1 = $0A // 1-byte first auxiliary information
const byte os_ICAX2 = $0B // 1-byte second auxiliary information
const byte os_ICAX3 = $0C // 1-byte third auxiliary information
const byte os_ICAX4 = $0D // 1-byte fourth auxiliary information
const byte os_ICAX5 = $0E // 1-byte fifth auxiliary information
const byte os_ICSPR = $0F // SPARE BYTE
// IOCB Command Code Equates
const byte os_OPEN = $03 // open
const byte os_GETREC = $05 // get record
const byte os_GETCHR = $07 // get character(s)
const byte os_PUTREC = $09 // put record
const byte os_PUTCHR = $0B // put character(s)
const byte os_CLOSE = $0C // close
const byte os_STATIS = $0D // status
const byte os_SPECIL = $0E // special
// Screen IOCB Commands
const byte os_DRAWLN = $11 // draw line
const byte os_FILLIN = $12 // draw line with right fill
// ICAX1 Auxiliary Byte 1 Equates
const byte os_APPEND = $01 // open write append (D:)
const byte os_DIRECT = $02 // open for directory access (D:)
const byte os_OPNIN = $04 // open for input (all devices)
const byte os_OPNOT = $08 // open for output (all devices)
const byte os_MXDMOD = $10 // open for mixed mode (E:, S:)
const byte os_INSCLR = $20 // open for input without clearing screen
// Device Code Equates
const byte os_CASSET = 'C' // cassette
const byte os_DISK = 'D' // disk
const byte os_SCREDT = 'E' // screen editor
const byte os_KBD = 'K' // keyboard
const byte os_PRINTR = 'P' // printer
const byte os_DISPLY = 'S' // screen display
// SIO Command Code Equates
const byte os_SIO_FORMAT = $21 // format disk (default density)
const byte os_SIO_FORMATS = $22 // 1050: format medium density
const byte os_SIO_CONFIG = $44 // configure drive
const byte os_SIO_CONFIGSF = $4B // slow/fast configure drive??
const byte os_SIO_RDPERCOM = $4E // read PERCOM block (XF551)
const byte os_SIO_WRPERCOM = $4F // write PERCOM block (XF551)
const byte os_SIO_WRITE = $50 // write sector
const byte os_SIO_READ = $52 // read sector
const byte os_SIO_STAT = $53 // get status information
const byte os_SIO_VERIFY = $56 // verify sector
const byte os_SIO_WRITEV = $57 // write sector with verify
const byte os_SIO_WRITETRK = $60 // write track (Speedy)
const byte os_SIO_READTRK = $62 // read track (Speedy)
// SIO Status Code (DSTATS)
// Input: data direction
// Bit #7 - W (write operation)
// #6 - R (read operation)
// Output: status code
// $01 (001) -- OPERATION COMPLETE (NO ERRORS)
// $8A (138) -- DEVICE TIMEOUT (DOESN'T RESPOND)
// $8B (139) -- DEVICE NAK
// $8C (140) -- SERIAL BUS INPUT FRAMING ERROR
// $8E (142) -- SERIAL BUS DATA FRAME OVERRUN ERROR
// $8F (143) -- SERIAL BUS DATA FRAME CHECKSUM ERROR
// $90 (144) -- DEVICE DONE ERROR
// Character and Key Code Equates
const byte os_CLS = $7D // ##rev2## clear screen
const byte os_EOL = $9B // end of line (RETURN)
const byte os_HELP = $11 // ##1200xl## key code for HELP
const byte os_CNTLF1 = $83 // ##1200xl## key code for CTRL-F1
const byte os_CNTLF2 = $84 // ##1200xl## key code for CTRL-F2
const byte os_CNTLF3 = $93 // ##1200xl## key code for CTRL-F3
const byte os_CNTLF4 = $94 // ##1200xl## key code for CTRL-F4
const byte os_CNTL1 = $9F // ##1200xl## key code for CTRL-1
// Status Code Equates
const byte os_SUCCES = 1 // ($01) succesful operation
const byte os_BRKABT = 128 // ($80) BREAK key abort
const byte os_PRVOPN = 129 // ($81) IOCB already open error
const byte os_NONDEV = 130 // ($82) nonexistent device error
const byte os_WRONLY = 131 // ($83) IOCB opened for write only error
const byte os_NVALID = 132 // ($84) invalid command error
const byte os_NOTOPN = 133 // ($85) device/file not open error
const byte os_BADIOC = 134 // ($86) invalid IOCB index error
const byte os_RDONLY = 135 // ($87) IOCB opened for read only error
const byte os_EOFERR = 136 // ($88) end of file error
const byte os_TRNRCD = 137 // ($89) truncated record error
const byte os_TIMOUT = 138 // ($8A) peripheral device timeout error
const byte os_DNACK = 139 // ($8B) device does not acknowledge command
const byte os_FRMERR = 140 // ($8C) serial bus framing error
const byte os_CRSROR = 141 // ($8D) cursor overrange error
const byte os_OVRRUN = 142 // ($8E) serial bus data overrun error
const byte os_CHKERR = 143 // ($8F) serial bus checksum error
const byte os_DERROR = 144 // ($90) device done (operation incomplete)
const byte os_BADMOD = 145 // ($91) bad screen mode number error
const byte os_FNCNOT = 146 // ($92) function not implemented in handler
const byte os_SCRMEM = 147 // ($93) insufficient memory for screen mode
const byte os_DSKFMT = 148 // ($94) SpartaDOS: unrecognized disk format
const byte os_INCVER = 149 // ($95) SpartaDOS: disk was made with incompat. version
const byte os_DIRNFD = 150 // ($96) SpartaDOS: directory not found
const byte os_FEXIST = 151 // ($97) SpartaDOS: file exists
const byte os_NOTBIN = 152 // ($98) SpartaDOS: file not binary
const byte os_LSYMND = 154 // ($9A) SDX: loader symbol not defined
const byte os_BADPRM = 156 // ($9C) SDX: bad parameter
const byte os_OUTOFM = 158 // ($9E) SDX: out of memory
const byte os_INVDEV = 160 // ($A0) invalid device number
const byte os_TMOF = 161 // ($A1) too many open files
const byte os_DSKFLL = 162 // ($A2) disk full
const byte os_FATLIO = 163 // ($A3) fatal I/O error
const byte os_FNMSMT = 164 // ($A4) internal file number mismatch
const byte os_INVFNM = 165 // ($A5) invalid file name
const byte os_PDLERR = 166 // ($A6) point data length error
const byte os_EPERM = 167 // ($A7) permission denied
const byte os_DINVCM = 168 // ($A8) command invalid for disk
const byte os_DIRFLL = 169 // ($A9) directory full
const byte os_FNTFND = 170 // ($AA) file not found
const byte os_PNTINV = 171 // ($AB) point invalid
const byte os_BADDSK = 173 // ($AD) bad disk
const byte os_INCFMT = 176 // ($B0) DOS 3: incompatible file system
const byte os_XNTBIN = 180 // ($B4) XDOS: file not binary
// DCB Device Bus Equates
const byte os_DISKID = $31 // ##rev2## disk bus ID
const byte os_PDEVN = $40 // ##rev2## printer bus ID
const byte os_CASET = $60 // ##rev2## cassette bus ID
// Bus Command Equates
const byte os_FOMAT = '!' // ##rev2## format command
const byte os_PUTSEC = 'P' // ##rev2## put sector command
const byte os_READ = 'R' // ##rev2## read command
const byte os_STATC = 'S' // ##rev2## status command
const byte os_WRITE = 'W' // ##rev2## write command
// Command Auxiliary Byte Equates
const byte os_DOUBLE = 'D' // ##rev2## print 20 characters double width
const byte os_NORMAL = 'N' // ##rev2## print 40 characters normally
const byte os_PLOT = 'P' // ##rev2## plot
const byte os_SIDWAY = 'S' // ##rev2## print 16 characters sideways
// Bus Response Equates
const byte os_ACK = 'A' // ##rev2## device acknowledged
const byte os_COMPLT = 'C' // ##rev2## device succesfully completed operation
const byte os_ERROR = 'E' // ##rev2## device incurred error
const byte os_NACK = 'N' // ##rev2## device did not understand
// Power-up Validation Byte Value Equates
const byte os_PUPVL1 = $5C // ##rev2## power-up validation value 1
const byte os_PUPVL2 = $93 // ##rev2## power-up validation value 2
const byte os_PUPVL3 = $25 // ##rev2## power-up validation value 3
// Relocating Loader Miscellaneous Equates
const byte os_DATAER = 156 // ##rev2## end of record appears before END
const byte os_MEMERR = 157 // ##rev2## memory insufficient for load error
// Miscellaneous Equates
const byte os_IOCFRE = $FF // IOCB free indication
const word os_B19200 = $0028 // ##rev2## 19200 baud POKEY counter value
const word os_B00600 = $05CC // ##rev2## 600 baud POKEY counter value
const byte os_HITONE = $05 // ##rev2## FSK high freq. POKEY counter value
const byte os_LOTONE = $07 // ##rev2## FSK low freq. POKEY counter value
const byte os_NCOMLO = $34 // ##rev2## PIA lower NOT COMMAND line command
const byte os_NCOMHI = $3C // ##rev2## PIA raise NOT COMMAND line command
const byte os_MOTRGO = $34 // ##rev2## PIA cassette motor ON command
const byte os_MOTRST = $3C // ##rev2## PIA cassette motor OFF command
const byte os_NODAT = $00 // ##rev2## SIO immediate operation
const byte os_GETDAT = $40 // ##rev2## SIO read data frame
const byte os_PUTDAT = $80 // ##rev2## SIO write data frame
const byte os_CRETRI = 13 // ##rev2## number of command frame retries
const byte os_DRETRI = 1 // ##rev2## number of device retries
const byte os_CTIM = 2 // ##rev2## command frame ACK timeout
const byte os_NBUFSZ = 40 // ##rev2## print normal buffer size
const byte os_DBUFSZ = 20 // ##rev2## print double buffer size
const byte os_SBUFSZ = 29 // ##rev2## print sideways buffer size
// ATASCII CHARACTER DEFS
const byte os_ATCLR = $7D // CLEAR SCREEN CHARACTER
const byte os_ATRUB = $7E // BACK SPACE (RUBOUT)
const byte os_ATTAB = $7F // TAB
const byte os_ATEOL = $9B // END-OF-LINE
const byte os_ATDELL = $9C // delete line
const byte os_ATINSL = $9D // insert line
const byte os_ATCTAB = $9E // clear TAB
const byte os_ATSTAB = $9F // set TAB
const byte os_ATBEL = $FD // CONSOLE BELL
const byte os_ATDEL = $FE // delete char.
const byte os_ATINS = $FF // insert char.
const byte os_ATURW = $1C // UP-ARROW
const byte os_ATDRW = $1D // DOWN-ARROW
const byte os_ATLRW = $1E // LEFT-ARROW
const byte os_ATRRW = $1F // RIGHT-ARROW
const byte os_ATESC = $1B // ESCAPE
// Page Zero Address Equates
volatile byte os_LINZBS @$00 // LINBUG RAM (WILL BE REPLACED BY MONITOR RAM)
volatile byte os_LNFLG @$00 // ##1200xl## 1-LNBUG flag (0 = not LNBUG)
volatile byte os_NGFLAG @$01 // ##1200xl## 1-byte memory status (0 = failure)
// Not Cleared
volatile word os_CASINI @$02 // CASSETTE INIT LOCATION
volatile word os_RAMLO @$04 // RAM POINTER FOR MEMORY TEST
volatile byte os_TRAMSZ @$06 // TEMPORARY REGISTER FOR RAM SIZE
//volatile byte os_TSTDAT @$07 // ##old## RAM TEST DATA REGISTER
volatile byte os_CMCMD @$07 // ##rev2## 1-byte command communications
// Cleared upon Coldstart only
volatile byte os_WARMST @$08 // WARM START FLAG
volatile byte os_BOOTQ @$09 // SUCCESSFUL BOOT FLAG
volatile word os_DOSVEC @$0A // DISK SOFTWARE START VECTOR
volatile word os_DOSINI @$0C // DISK SOFTWARE INIT ADDRESS
volatile word os_APPMHI @$0E // APPLICATIONS MEMORY HI LIMIT
// Cleared upon Coldstart or Warmstart
volatile byte os_INTZBS @$10 // INTERRUPT HANDLER
volatile byte os_POKMSK @$10 // SYSTEM MASK FOR POKEY IRQ ENABLE (shadow of IRQEN)
volatile byte os_BRKKEY @$11 // BREAK KEY FLAG
volatile int24 os_RTCLOK @$12 // REAL TIME CLOCK (IN 16 MSEC UNITS>
volatile word os_BUFADR @$15 // INDIRECT BUFFER ADDRESS REGISTER
volatile byte os_ICCOMT @$17 // COMMAND FOR VECTOR
volatile word os_DSKFMS @$18 // DISK FILE MANAGER POINTER
volatile word os_DSKUTL @$1A // DISK UTILITIES POINTER
volatile byte os_ABUFPT @$1C // ##1200xl## 4-byte ACMI buffer pointer area
//volatile byte os_PTIMOT @$1C // ##old## PRINTER TIME OUT REGISTER
//volatile byte os_PBPNT @$1D // ##old## PRINT BUFFER POINTER
//volatile byte os_PBUFSZ @$1E // ##old## PRINT BUFFER SIZE
//volatile byte os_PTEMP @$1F // ##old## TEMPORARY REGISTER
volatile byte os_ZIOCB @$20 // ZERO PAGE I/O CONTROL BLOCK
volatile byte os_IOCBAS @$20 // 16-byte page zero IOCB
volatile byte os_ICHIDZ @$20 // HANDLER INDEX NUMBER (FF = IOCB FREE)
volatile byte os_ICDNOZ @$21 // DEVICE NUMBER (DRIVE NUMBER)
volatile byte os_ICCOMZ @$22 // COMMAND CODE
volatile byte os_ICSTAZ @$23 // STATUS OF LAST IOCB ACTION
volatile byte os_ICBALZ @$24 // BUFFER ADDRESS LOW BYTE
volatile byte os_ICBAHZ @$25 // 1-byte high buffer address
volatile byte os_ICPTLZ @$26 // PUT BYTE ROUTINE ADDRESS -1
volatile byte os_ICPTHZ @$27 // 1-byte high PUT-BYTE routine address
volatile byte os_ICBLLZ @$28 // BUFFER LENGTH LOW BYTE
volatile byte os_ICBLHZ @$29 // 1-byte high buffer length
volatile byte os_ICAX1Z @$2A // AUXILIARY INFORMATION FIRST BYTE
volatile byte os_ICAX2Z @$2B // 1-byte second auxiliary information
volatile byte os_ICSPRZ @$2C // 4-byte spares
volatile byte os_ICIDNO @$2E // IOCB NUMBER X 16
volatile byte os_CIOCHR @$2F // CHARACTER BYTE FOR CURRENT OPERATION
volatile byte os_STATUS @$30 // INTERNAL STATUS STORAGE
volatile byte os_CHKSUM @$31 // CHECKSUM (SINGLE BYTE SUM WITH CARRY)
volatile byte os_BUFRLO @$32 // POINTER TO DATA BUFFER (LO BYTE)
volatile byte os_BUFRHI @$33 // POINTER TO DATA BUFFER (HI BYTE)
volatile byte os_BFENLO @$34 // NEXT BYTE PAST END OF THE DATA BUFFER LO
volatile byte os_BFENHI @$35 // NEXT BYTE PAST END OF THE DATA BUFFER HI
//volatile byte os_CRETRY @$36 // ##old## NUMBER OF COMMAND FRAME RETRIES
//volatile byte os_DRETRY @$37 // ##old## NUMBER OF DEVICE RETRIES
volatile word os_LTEMP @$36 // ##1200xl## 2-byte loader temporary
volatile byte os_BUFRFL @$38 // DATA BUFFER FULL FLAG
volatile byte os_RECVDN @$39 // RECEIVE DONE FLAG
volatile byte os_XMTDON @$3A // TRANSMISSION DONE FLAG
volatile byte os_CHKSNT @$3B // CHECKSUM SENT FLAG
volatile byte os_NOCKSM @$3C // NO CHECKSUM FOLLOWS DATA FLAG
volatile byte os_BPTR @$3D // 1-byte cassette buffer pointer
volatile byte os_FTYPE @$3E // 1-byte cassette IRG type
volatile byte os_FEOF @$3F // 1-byte cassette EOF flag (0 = quiet)
volatile byte os_FREQ @$40 // 1-byte cassette beep counter
volatile byte os_SOUNDR @$41 // NOISY I/0 FLAG. (ZERO IS QUIET)
volatile byte os_CRITIC @$42 // DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
volatile byte os_FMSZPG @$43 // DISK FILE MANAGER SYSTEM ZERO PAGE
volatile word os_ZBUFP @$43 // Buffer pointer to the user filename for disk I/O.
volatile word os_ZDRVA @$45 // Driver pointer
volatile word os_ZSBA @$47 // Sector buffer pointer
volatile byte os_ERRNO @$49 // Disk I/O error number. Initialized to $9F by FMS.
//volatile byte os_CKEY @$4A // ##old## FLAG SET WHEN GAME START PRESSED
volatile word os_ZCHAIN @$4A // ##1200xl## 2-byte handler linkage chain pointer
//volatile byte os_CASSBT @$4B // ##old## CASSETTE BOOT FLAG
volatile byte os_DSTAT @$4C // DISPLAY STATUS
volatile byte os_ATRACT @$4D // ATRACT FLAG
volatile byte os_DRKMSK @$4E // DARK ATRACT MASK
volatile byte os_COLRSH @$4F // ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD
volatile byte os_TMPCHR @$50 // 1-byte temporary character
volatile byte os_HOLD1 @$51 // 1-byte temporary
volatile byte os_LMARGN @$52 // left margin (default 2)
volatile byte os_RMARGN @$53 // right margin (default 39 if no XEP80 is used)
volatile byte os_ROWCRS @$54 // 1-byte cursor row
volatile word os_COLCRS @$55 // 2-byte cursor column
volatile byte os_DINDEX @$57 // 1-byte display mode
volatile word os_SAVMSC @$58 // 2-byte saved memory scan counter
volatile byte os_OLDROW @$5A // 1-byte prior row
volatile word os_OLDCOL @$5B // 2-byte prior column
volatile byte os_OLDCHR @$5D // DATA UNDER CURSOR
volatile word os_OLDADR @$5E // 2-byte saved cursor memory address
volatile word os_FKDEF @$60 // ##1200xl## 2-byte function key definition table
//volatile byte os_NEWROW @$60 // ##old## POINT DRAW GOES TO
//volatile word os_NEWCOL @$61 // ##old##
volatile byte os_PALNTS @$62 // ##1200xl## 1-byte PAL/NTSC indicator (0 = NTSC)
volatile byte os_LOGCOL @$63 // POINTS AT COLUMN IN LOGICAL LINE
volatile word os_ADRESS @$64 // 2-byte temporary address
volatile byte os_MLTTMP @$66 // 1-byte temporary
volatile byte os_OPNTMP @$66 // FIRST BYTE IS USED IN OPEN AS TEMP
volatile word os_TOADR @$66 // ##rev2## 2-byte destination address
volatile word os_SAVADR @$68 // 2-byte saved address
volatile word os_FRMADR @$68 // ##rev2## 2-byte source address
volatile byte os_RAMTOP @$6A // RAM SIZE DEFINED BY POWER ON LOGIC
volatile byte os_BUFCNT @$6B // BUFFER COUNT
volatile word os_BUFSTR @$6C // EDITOR GETCH POINTER
volatile byte os_BITMSK @$6E // BIT MASK
volatile byte os_SHFAMT @$6F // 1-byte shift amount for pixel justifucation
volatile word os_ROWAC @$70 // 2-byte draw working row
volatile word os_COLAC @$72 // 2-byte draw working column
volatile word os_ENDPT @$74 // 2-byte end point
volatile byte os_DELTAR @$76 // 1-byte row difference
volatile word os_DELTAC @$77 // 2-byte column difference
volatile word os_KEYDEF @$79 // ##1200xl## 2-byte key definition table address
//volatile byte os_ROWINC @$79 // ##old##
//volatile byte os_COLINC @$7A // ##old##
volatile byte os_SWPFLG @$7B // NON-0 IF TXT AND REGULAR RAM IS SWAPPED
volatile byte os_HOLDCH @$7C // CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH
volatile byte os_INSDAT @$7D // 1-byte temporary
volatile word os_COUNTR @$7E // 2-byte draw iteration count
// Page Two Address Equates
volatile word os_INTABS @$0200 // INTERRUPT RAM
volatile word os_VDSLST @$0200 // DISPLAY LIST NMI VECTOR
volatile word os_VPRCED @$0202 // PROCEED LINE IRQ VECTOR
volatile word os_VINTER @$0204 // INTERRUPT LINE IRQ VECTOR
volatile word os_VBREAK @$0206 // SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
volatile word os_VKEYBD @$0208 // POKEY KEYBOARD IRQ VECTOR
volatile word os_VSERIN @$020A // POKEY SERIAL INPUT READY IRQ
volatile word os_VSEROR @$020C // POKEY SERIAL OUTPUT READY IRQ
volatile word os_VSEROC @$020E // POKEY SERIAL OUTPUT COMPLETE IRQ
volatile word os_VTIMR1 @$0210 // POKEY TIMER 1 IRQ
volatile word os_VTIMR2 @$0212 // POKEY TIMER 2 IRQ
volatile word os_VTIMR4 @$0214 // POKEY TIMER 4 IRQ
volatile word os_VIMIRQ @$0216 // IMMEDIATE IRQ VECTOR
volatile word os_CDTMV1 @$0218 // COUNT DOWN TIMER 1
volatile word os_CDTMV2 @$021A // COUNT DOWN TIMER 2
volatile word os_CDTMV3 @$021C // COUNT DOWN TIMER 3
volatile word os_CDTMV4 @$021E // COUNT DOWN TIMER 4
volatile word os_CDTMV5 @$0220 // COUNT DOWN TIMER 5
volatile word os_VVBLKI @$0222 // IMMEDIATE VERTICAL BLANK NMI VECTOR
volatile word os_VVBLKD @$0224 // DEFERRED VERTICAL BLANK NMI VECTOR
volatile word os_CDTMA1 @$0226 // COUNT DOWN TIMER 1 JSR ADDRESS
volatile word os_CDTMA2 @$0228 // COUNT DOWN TIMER 2 JSR ADDRESS
volatile byte os_CDTMF3 @$022A // COUNT DOWN TIMER 3 FLAG
volatile byte os_SRTIMR @$022B // SOFTWARE REPEAT TIMER
volatile byte os_CDTMF4 @$022C // COUNT DOWN TIMER 4 FLAG
volatile byte os_INTEMP @$022D // IAN'S TEMP
volatile byte os_CDTMF5 @$022E // COUNT DOWN TIMER FLAG 5
volatile byte os_SDMCTL @$022F // SAVE DMACTL REGISTER
volatile byte os_SDLSTL @$0230 // SAVE DISPLAY LIST LOW BYTE
volatile byte os_SDLSTH @$0231 // SAVE DISPLAY LIST HI BYTE
volatile byte os_SSKCTL @$0232 // SKCTL REGISTER RAM
volatile byte os_LCOUNT @$0233 // ##1200xl## 1-byte relocating loader record
volatile byte os_LPENH @$0234 // LIGHT PEN HORIZONTAL VALUE
volatile byte os_LPENV @$0235 // LIGHT PEN VERTICAL VALUE
volatile word os_BRKKY @$0236 // BREAK KEY VECTOR
//volatile word os_RELADR @$0238 // ##1200xl## 2-byte relocatable loader address
volatile word os_VPIRQ @$0238 // ##rev2## 2-byte parallel device IRQ vector
volatile byte os_CDEVIC @$023A // COMMAND FRAME BUFFER - DEVICE
volatile byte os_CCOMND @$023B // COMMAND
volatile byte os_CAUX1 @$023C // COMMAND AUX BYTE 1
volatile byte os_CAUX2 @$023D // COMMAND AUX BYTE 2
volatile byte os_TEMP @$023E // TEMPORARY RAM CELL
volatile byte os_ERRFLG @$023F // ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
volatile byte os_DFLAGS @$0240 // DISK FLAGS FROM SECTOR ONE
volatile byte os_DBSECT @$0241 // NUMBER OF DISK BOOT SECTORS
volatile word os_BOOTAD @$0242 // ADDRESS WHERE DISK BOOT LOADER WILL BE PUT
volatile byte os_COLDST @$0244 // COLDSTART FLAG (1=IN MIDDLE OF COLDSTART>
volatile byte os_RECLEN @$0245 // ##1200xl## 1-byte relocating loader record length
volatile byte os_DSKTIM @$0246 // DISK TIME OUT REGISTER
//volatile byte os_LINBUF @$0247 // ##old## CHAR LINE BUFFER
volatile byte os_PDVMSK @$0247 // ##rev2## 1-byte parallel device selection mask
volatile byte os_SHPDVS @$0248 // ##rev2## 1-byte PDVS (parallel device select)
volatile byte os_PDIMSK @$0249 // ##rev2## 1-byte parallel device IRQ selection
volatile word os_RELADR @$024A // ##rev2## 2-byte relocating loader relative adr.
volatile byte os_PPTMPA @$024C // ##rev2## 1-byte parallel device handler temporary
volatile byte os_PPTMPX @$024D // ##rev2## 1-byte parallel device handler temporary
volatile byte os_CHSALT @$026B // ##1200xl## 1-byte character set alternate
volatile byte os_VSFLAG @$026C // ##1200xl## 1-byte fine vertical scroll count
volatile byte os_KEYDIS @$026D // ##1200xl## 1-byte keyboard disable
volatile byte os_FINE @$026E // ##1200xl## 1-byte fine scrolling mode
volatile byte os_GPRIOR @$026F // GLOBAL PRIORITY CELL
volatile byte os_PADDL0 @$0270 // 1-byte potentiometer 0
volatile byte os_PADDL1 @$0271 // 1-byte potentiometer 1
volatile byte os_PADDL2 @$0272 // 1-byte potentiometer 2
volatile byte os_PADDL3 @$0273 // 1-byte potentiometer 3
volatile byte os_PADDL4 @$0274 // 1-byte potentiometer 4
volatile byte os_PADDL5 @$0275 // 1-byte potentiometer 5
volatile byte os_PADDL6 @$0276 // 1-byte potentiometer 6
volatile byte os_PADDL7 @$0277 // 1-byte potentiometer 7
volatile byte os_STICK0 @$0278 // 1-byte joystick 0
volatile byte os_STICK1 @$0279 // 1-byte joystick 1
volatile byte os_STICK2 @$027A // 1-byte joystick 2
volatile byte os_STICK3 @$027B // 1-byte joystick 3
volatile byte os_PTRIG0 @$027C // 1-byte paddle trigger 0
volatile byte os_PTRIG1 @$027D // 1-byte paddle trigger 1
volatile byte os_PTRIG2 @$027E // 1-byte paddle trigger 2
volatile byte os_PTRIG3 @$027F // 1-byte paddle trigger 3
volatile byte os_PTRIG4 @$0280 // 1-byte paddle trigger 4
volatile byte os_PTRIG5 @$0281 // 1-byte paddle trigger 5
volatile byte os_PTRIG6 @$0281 // 1-byte paddle trigger 6
volatile byte os_PTRIG7 @$0283 // 1-byte paddle trigger 7
volatile byte os_STRIG0 @$0284 // 1-byte joystick trigger 0
volatile byte os_STRIG1 @$0285 // 1-byte joystick trigger 1
volatile byte os_STRIG2 @$0286 // 1-byte joystick trigger 2
volatile byte os_STRIG3 @$0287 // 1-byte joystick trigger 3
//volatile byte os_CSTAT @$0288 // ##old## cassette status register
volatile byte os_HIBYTE @$0288 // ##1200xl## 1-byte relocating loader high byte
volatile byte os_WMODE @$0289 // 1-byte cassette WRITE mode
volatile byte os_BLIM @$028A // 1-byte cassette buffer limit
volatile byte os_IMASK @$028B // ##rev2## (not used)
volatile word os_JVECK @$028C // 2-byte jump vector or temporary
volatile word os_NEWADR @$028E // ##1200xl## 2-byte relocating address
volatile byte os_TXTROW @$0290 // TEXT ROWCRS
volatile word os_TXTCOL @$0291 // TEXT COLCRS
volatile byte os_TINDEX @$0293 // TEXT INDEX
volatile byte os_TXTMSC @$0294 // FOOLS CONVRT INTO NEW MSC
volatile byte os_TXTOLD @$0296 // OLDROW & OLDCOL FOR TEXT (AND THEN SOME)
//volatile byte os_TMPX1 @$029C // ##old## 1-byte temporary register
volatile byte os_CRETRY @$029C // ##1200xl## 1-byte number of command frame retries
volatile byte os_HOLD3 @$029D // 1-byte temporary
volatile byte os_SUBTMP @$029E // 1-byte temporary
volatile byte os_HOLD2 @$029F // 1-byte (not used)
volatile byte os_DMASK @$02A0 // 1-byte display (pixel location) mask
volatile byte os_TMPLBT @$02A1 // 1-byte (not used)
volatile byte os_ESCFLG @$02A2 // ESCAPE FLAG
volatile byte os_TABMAP @$02A3 // 15-byte (120 bit) tab stop bit map
volatile byte os_LOGMAP @$02B2 // LOGICAL LINE START BIT MAP
volatile byte os_INVFLG @$02B6 // INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY)
volatile byte os_FILFLG @$02B7 // RIGHT FILL FLAG FOR DRAW
volatile byte os_TMPROW @$02B8 // 1-byte temporary row
volatile word os_TMPCOL @$02B9 // 2-byte temporary column
volatile byte os_SCRFLG @$02BB // SET IF SCROLL OCCURS
volatile byte os_HOLD4 @$02BC // TEMP CELL USED IN DRAW ONLY
//volatile byte os_HOLD5 @$02BD // ##old## DITTO
volatile byte os_DRETRY @$02BD // ##1200xl## 1-byte number of device retries
volatile byte os_SHFLOK @$02BE // 1-byte shift/control lock flags
volatile byte os_BOTSCR @$02BF // BOTTOM OF SCREEN 24 NORM 4 SPLIT
volatile byte os_PCOLR0 @$02C0 // 1-byte player-missile 0 color/luminance
volatile byte os_PCOLR1 @$02C1 // 1-byte player-missile 1 color/luminance
volatile byte os_PCOLR2 @$02C2 // 1-byte player-missile 2 color/luminance
volatile byte os_PCOLR3 @$02C3 // 1-byte player-missile 3 color/luminance
volatile byte os_COLOR0 @$02C4 // 1-byte playfield 0 color/luminance
volatile byte os_COLOR1 @$02C5 // 1-byte playfield 1 color/luminance
volatile byte os_COLOR2 @$02C6 // 1-byte playfield 2 color/luminance
volatile byte os_COLOR3 @$02C7 // 1-byte playfield 3 color/luminance
volatile byte os_COLOR4 @$02C8 // 1-byte background color/luminance
volatile byte os_PARMBL @$02C9 // ##rev2## 6-byte relocating loader parameter
volatile word os_RUNADR @$02C9 // ##1200xl## 2-byte run address
volatile word os_HIUSED @$02CB // ##1200xl## 2-byte highest non-zero page address
volatile word os_ZHIUSE @$02CD // ##1200xl## 2-byte highest zero page address
volatile byte os_OLDPAR @$02CF // ##rev2## 6-byte relocating loader parameter
volatile word os_GBYTEA @$02CF // ##1200xl## 2-byte GET-BYTE routine address
volatile word os_LOADAD @$02D1 // ##1200xl## 2-byte non-zero page load address
volatile word os_ZLOADA @$02D3 // ##1200xl## 2-byte zero page load address
volatile word os_DSCTLN @$02D5 // ##1200xl## 2-byte disk sector length
volatile word os_ACMISR @$02D7 // ##1200xl## 2-byte ACMI interrupt service routine
volatile byte os_KRPDEL @$02D9 // ##1200xl## 1-byte auto-repeat delay
volatile byte os_KEYREP @$02DA // ##1200xl## 1-byte auto-repeat rate
volatile byte os_NOCLIK @$02DB // ##1200xl## 1-byte key click disable
volatile byte os_HELPFG @$02DC // ##1200xl## 1-byte HELP key flag (0 = no HELP)
volatile byte os_DMASAV @$02DD // ##1200xl## 1-byte SDMCTL save/restore
volatile byte os_PBPNT @$02DE // ##1200xl## 1-byte printer buffer pointer
volatile byte os_PBUFSZ @$02DF // ##1200xl## 1-byte printer buffer size
volatile byte os_GLBABS @$02E0 // 4-byte global variables for non-DOS users
volatile word os_RUNAD @$02E0 // ##map## 2-byte binary file run address
volatile word os_INITAD @$02E2 // ##map## 2-byte binary file initialization address
volatile byte os_RAMSIZ @$02E4 // RAM SIZE (HI BYTE ONLY)
volatile word os_MEMTOP @$02E5 // TOP OF AVAILABLE USER MEMORY
volatile word os_MEMLO @$02E7 // BOTTOM OF AVAILABLE USER MEMORY
volatile byte os_HNDLOD @$02E9 // ##1200xl## 1-byte user load flag
volatile byte os_DVSTAT @$02EA // STATUS BUFFER
volatile byte os_CBAUDL @$02EE // 1-byte low cassette baud rate
volatile byte os_CBAUDH @$02EF // 1-byte high cassette baud rate
volatile byte os_CRSINH @$02F0 // CURSOR INHIBIT (00 = CURSOR ON)
volatile byte os_KEYDEL @$02F1 // KEY DELAY
volatile byte os_CH1 @$02F2 // 1-byte prior keyboard character
volatile byte os_CHACT @$02F3 // CHACTL REGISTER RAM
volatile byte os_CHBAS @$02F4 // CHBAS REGISTER RAM
volatile byte os_NEWROW @$02F5 // ##1200xl## 1-byte draw destination row
volatile word os_NEWCOL @$02F6 // ##1200xl## 2-byte draw destination column
volatile byte os_ROWINC @$02F8 // ##1200xl## 1-byte draw row increment
volatile byte os_COLINC @$02F9 // ##1200xl## 1-byte draw column increment
volatile byte os_CHAR @$02FA // 1-byte internal character
volatile byte os_ATACHR @$02FB // ATASCII CHARACTER
volatile byte os_CH @$02FC // GLOBAL VARIABLE FOR KEYBOARD
volatile byte os_FILDAT @$02FD // RIGHT FILL DATA <DRAW>
volatile byte os_DSPFLG @$02FE // DISPLAY FLAG DISPLAY CNTLS IF NON-ZERO
volatile byte os_SSFLAG @$02FF // START/STOP FLAG FOR PAGING (CNTL 1). CLEARE
// Page Three Address Equates
volatile byte os_DCB @$0300 // DEVICE CONTROL BLOCK
volatile byte os_DDEVIC @$0300 // PERIPHERAL UNIT 1 BUS I.D. NUMBER
volatile byte os_DUNIT @$0301 // UNIT NUMBER
volatile byte os_DCOMND @$0302 // BUS COMMAND
volatile byte os_DSTATS @$0303 // COMMAND TYPE/STATUS RETURN
volatile byte os_DBUFLO @$0304 // 1-byte low data buffer address
volatile byte os_DBUFHI @$0305 // 1-byte high data buffer address
volatile byte os_DTIMLO @$0306 // DEVICE TIME OUT IN 1 SECOND UNITS
volatile byte os_DUNUSE @$0307 // UNUSED BYTE
volatile byte os_DBYTLO @$0308 // 1-byte low number of bytes to transfer
volatile byte os_DBYTHI @$0309 // 1-byte high number of bytes to transfer
volatile byte os_DAUX1 @$030A // 1-byte first command auxiliary
volatile byte os_DAUX2 @$030B // 1-byte second command auxiliary
volatile word os_TIMER1 @$030C // INITIAL TIMER VALUE
//volatile byte os_ADDCOR @$030E // ##old## ADDITION CORRECTION
volatile byte os_JMPERS @$030E // ##1200xl## 1-byte jumper options
volatile byte os_CASFLG @$030F // CASSETTE MODE WHEN SET
volatile word os_TIMER2 @$0310 // 2-byte final baud rate timer value
volatile word os_TEMP1 @$0312 // TEMPORARY STORAGE REGISTER
//volatile byte os_TEMP2 @$0314 // ##old## TEMPORARY STORAGE REGISTER
volatile byte os_TEMP2 @$0313 // ##1200xl## 1-byte temporary
volatile byte os_PTIMOT @$0314 // ##1200xl## 1-byte printer timeout
volatile byte os_TEMP3 @$0315 // TEMPORARY STORAGE REGISTER
volatile byte os_SAVIO @$0316 // SAVE SERIAL IN DATA PORT
volatile byte os_TIMFLG @$0317 // TIME OUT FLAG FOR BAUD RATE CORRECTION
volatile byte os_STACKP @$0318 // SIO STACK POINTER SAVE CELL
volatile byte os_TSTAT @$0319 // TEMPORARY STATUS HOLDER
volatile byte os_HATABS @$031A // 35-byte handler address table (was 38 bytes)
volatile byte os_PUPBT1 @$033D // ##1200xl## 1-byte power-up validation byte 1
volatile byte os_PUPBT2 @$033E // ##1200xl## 1-byte power-up validation byte 2
volatile byte os_PUPBT3 @$033F // ##1200xl## 1-byte power-up validation byte 3
// I/O CONTROL BLOCKS
volatile byte os_IOCB0 @$0340
volatile byte os_IOCB1 @$0350
volatile byte os_IOCB2 @$0360
volatile byte os_IOCB3 @$0370
volatile byte os_IOCB4 @$0380
volatile byte os_IOCB5 @$0390
volatile byte os_IOCB6 @$03A0
volatile byte os_IOCB7 @$03B0
volatile byte os_PRNBUF @$03C0 // PRINTER BUFFER
volatile byte os_SUPERF @$03E8 // ##1200xl## 1-byte editor super function flag
volatile byte os_CKEY @$03E9 // ##1200xl## 1-byte cassette boot request flag
volatile byte os_CASSBT @$03EA // ##1200xl## 1-byte cassette boot flag
volatile byte os_CARTCK @$03EB // ##1200xl## 1-byte cartridge equivalence check
volatile byte os_DERRF @$03EC // ##rev2## 1-byte screen OPEN error flag
// Remainder of Page Three Not Cleared upon Reset
volatile byte os_ACMVAR @$03ED // ##1200xl## 11 bytes reserved for ACMI
volatile byte os_BASICF @$03F8 // ##rev2## 1-byte BASIC switch flag
volatile byte os_MINTLK @$03F9 // ##1200xl## 1-byte ACMI module interlock
volatile byte os_GINTLK @$03FA // ##1200xl## 1-byte cartridge interlock
volatile word os_CHLINK @$03FB // ##1200xl## 2-byte loaded handler chain link
volatile byte os_CASBUF @$03FD // CASSETTE BUFFER
// Page Four/Five Address Equates
// USER AREA STARTS HERE AND GOES TO END OF PAGE FIVE
volatile byte os_USAREA @$0480 // 128 bytes reserved for application
volatile byte os_LBPR1 @$057E // LBUFF PREFIX 1
volatile byte os_LBPR2 @$057F // LBUFF PREFIX 2
volatile byte os_LBUFF @$0580 // 128-byte line buffer
//volatile byte os_LBFEND @$05FF // ##old## END OF LBUFF
volatile byte os_INIML @$0700 // ##rev2## initial MEMLO
// Cartridge Address Equates
volatile word os_CARTCS @$BFFA // ##rev2## 2-byte cartridge coldstart address
volatile byte os_CART @$BFFC // ##rev2## 1-byte cartridge present indicator
// 0=Cart Exists
volatile byte os_CARTFG @$BFFD // ##rev2## 1-byte cartridge flags
// D7 0=Not a Diagnostic Cart
// 1=Is a Diagnostic cart and control is
// given to cart before any OS is init.
// D2 0=Init but Do not Start Cart
// 1=Init and Start Cart
// D0 0=Do not boot disk
// 1=Boot Disk
volatile word os_CARTAD @$BFFE // ##rev2## 2-byte cartridge start vector
// Character sets
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
const array os_ICSORG[$400] @$CC00 // ##rev2## international character set origin
const array os_DCSORG[$400] @$E000 // ##rev2## domestic character set origin
added a8_os module and test
2019-10-23 12:43:36 +00:00
// Device Handler Vector Table Address Equates
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
const array(function.void.to.void) os_EDITRV [8] @$E400 // editor handler vector table
const array(function.void.to.void) os_SCRENV [8] @$E410 // screen handler vector table
const array(function.void.to.void) os_KEYBDV [8] @$E420 // keyboard handler vector table
const array(function.void.to.void) os_PRINTV [8] @$E430 // printer handler vector table
const array(function.void.to.void) os_CASETV [8] @$E440 // cassette handler vector table
added a8_os module and test
2019-10-23 12:43:36 +00:00
// Jump Vector Address Equates
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_DISKIV() @$E450 extern // vector to initialize DIO
asm void os_DSKINV() @$E453 extern // vector to DIO
asm void os_CIOV() @$E456 extern // vector to CIO
asm void os_SIOV() @$E459 extern // vector to SIO
added a8_os module and test
2019-10-23 12:43:36 +00:00
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_SETVBV() @$E45C extern // vector to set VBLANK parameters
asm void os_SYSVBV() @$E45F extern // vector to process immediate VBLANK
asm void os_XITVBV() @$E462 extern // vector to process deferred VBLANK
added a8_os module and test
2019-10-23 12:43:36 +00:00
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_SIOINV() @$E465 extern // vector to initialize SIO
asm void os_SENDEV() @$E468 extern // vector to enable SEND
asm void os_INTINV() @$E46B extern // vector to initialize interrupt handler
asm void os_CIOINV() @$E46E extern // vector to initialize CIO
added a8_os module and test
2019-10-23 12:43:36 +00:00
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_BLKBDV() @$E471 extern // vector to power-up display
asm void os_WARMSV() @$E474 extern // vector to warmstart
asm void os_COLDSV() @$E477 extern // vector to coldstart
added a8_os module and test
2019-10-23 12:43:36 +00:00
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_RBLOKV() @$E47A extern // vector to read cassette block
asm void os_CSOPIV() @$E47D extern // vector to open cassette for input
added a8_os module and test
2019-10-23 12:43:36 +00:00
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
asm void os_VCTABL() @$E480 extern // RAM vector initial value table
asm void os_PUPDIV() @$E480 extern // ##rev2## vector to power-up display
asm void os_SLFTSV() @$E483 extern // ##rev2## vector to self-test
asm void os_PHENTV() @$E486 extern // ##rev2## vector to enter peripheral handler
asm void os_PHUNLV() @$E489 extern // ##rev2## vector to unlink peripheral handler
asm void os_PHINIV() @$E48C extern // ##rev2## vector to initialize peripheral handler
asm void os_GPDVV() @$E48F extern // ##rev2## generic parallel device handler vector
added a8_os module and test
2019-10-23 12:43:36 +00:00
// 6502
Fix the a8_os module (fixing #58)
2020-09-03 23:18:37 +00:00
volatile word os_NMIVEC @$FFFA
volatile word os_RESVEC @$FFFC
volatile word os_IRQVEC @$FFFE
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