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[/] [System09/] [trunk/] [src/] [sys09bug/] [sys09atl.lst] - Rev 223
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Assembler release DWC_2.0 version 2.11
May 6, 2004 (c) Motorola (free ware)
0001 NAM SYS09BUG FOR ATLYS
0000 INCLUDE "opt_atl.asm"
0001 *
0002 ***************************************************
0003 * OPTION SWITCHES
0004 ***************************************************
0005 *
0006 *
0007 ** THE CONTROL PORT CAN ONLY BE ONE OF THESE
0008 ** NOTE THAT THE ACIA WILL ALWAYS BE PRESET
0009 ** FOR LOADING AND SAVING S1 RECORDS
0010 *
0011 *SWTOPT EQU $FF SWTP ACIA SERIAL CONTROL PORT
0012 *ADSOPT EQU $FF ADS6809 & DG640 VIDEO DISPAY
0013 *B3SOPT EQU $FF B3-SPARTAN2 FPGA VIDEO & PS2 KEYBOARD
0014 *B5XOPT EQU $FF B5-X300 FPGA VIDEO & PS2 KEYBOARD
0015 *S3SOPT EQU $FF SPARTAN3 STARTER FPGA VIDEO & PS2 KEYBOARD
0016 *S3EOPT EQU $FF SPARTAN3E STARTER
0017 *XESOPT EQU $FF XESS XSA-3S100 & XST-3.0
0018 00FF ATLOPT EQU $FF Digilent Atlys
0019 *
0002 END
0000 INCLUDE "sys09equ.asm"
0001 *
0002 ***************************************************
0003 * MEMORY MAP EQUATES *
0004 ***************************************************
0005 E000 MONIO EQU $E000 I/O SPACE
0006 IFD B3SOPT
0007 MONEXT EQU $F000 START OF EXTENDED COMMANDS
0008 EXTCMD EQU $00 EXTENDED OFFSET
0009 ENDIF B3SOPT
0009 ENDIF B3SOPT
0010 IFD S3EOPT
0011 MONRAM EQU $7FC0
0012 ELSE
0013 DFC0 MONRAM EQU $DFC0 STACK SPACE
0014 ENDIF S3EOPT
0015 F800 MONROM EQU $F800 START OF ROM
0016 IFD S3SOPT
0017 MONEXT EQU $F000 START OF EXTENDED COMMANDS
0018 EXTCMD EQU $00 EXTENDED OFFSET
0019 ENDIF S3SOPT
0019 ENDIF S3SOPT
0020 IFD XESOPT
0021 MONEXT EQU $F000 START OF EXTENDED COMMANDS
0022 EXTCMD EQU $00 EXTENDED OFFSET
0023 ENDIF XESOPT
0023 ENDIF XESOPT
0024 IFD ATLOPT
0025 F000 MONEXT EQU $F000 START OF EXTENDED COMMANDS
0026 0000 EXTCMD EQU $00 EXTENDED OFFSET
0027 ENDIF ATLOPT
0028 IFD DE270OPT
0029 MONEXT EQU $F000 START OF EXTENDED COMMANDS
0030 EXTCMD EQU $00 EXTENDED OFFSET
0031 ENDIF DE270OPT
0031 ENDIF DE270OPT
0032 **************************************************
0033 **************************************************
0034
0035 IFD SWTOPT
0036 *
0037 * SOUTH WEST TECHNICAL PRODUCTS COMPUTER
0038 *
0039 ACIAOPT EQU $FF ACIA AT PORT 0
0040 DMAFOPT EQU $FF DMAF2 8" FLOPPY DISK BOOT
0041 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
0042 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0043 ENDIF
0043 ENDIF
0044 *
0045 IFD ADSOPT
0046 *
0047 * ACKERMAN DIGITAL ADS6809
0048 *
0049 DG640OPT EQU $FF DG640 VDU AT $E800
0050 *RTCOPT EQU $FF REAL TIME CLOCK
0051 PRTOPT EQU $FF PRINTER DRIVERS
0052 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
0053 ENDIF ADSOPT
0053 ENDIF ADSOPT
0054 *
0055 IFD B3SOPT
0056 *
0057 * BURCHED SPARTAN 2 B3+
0058 *
0059 ACIAOPT EQU $FF ACIA AT PORT 0
0060 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0061 VDUOPT EQU $FF VDU AT $E030
0062 IDEOPT EQU $FF IDE AT $E100
0063 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0064 HFCOPT EQU $FF HARDWARE FLOW CONTROL
0065 ENDIF B3SOPT
0065 ENDIF B3SOPT
0066 *
0067 IFD B5XOPT
0068 *
0069 * BURCHED SPARTAN 2 B5-X300
0070 *
0071 ACIAOPT EQU $FF ACIA AT PORT 0
0072 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0073 VDUOPT EQU $FF VDU AT $E030
0074 CF8OPT EQU $FF COMPACT FLASH AT $E040
0075 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0076 HFCOPT EQU $FF HARDWARE FLOW CONTROL
0077 ENDIF B5XOPT
0077 ENDIF B5XOPT
0078 *
0079 IFD S3SOPT
0080 *
0081 * DIGILENT SPARTAN 3 STARTER
0082 *
0083 ACIAOPT EQU $FF ACIA AT PORT 0
0084 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0085 VDUOPT EQU $FF VDU AT $E030
0086 CF8OPT EQU $FF COMPACT FLASH AT $E040
0087 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0088 EXTOPT EQU $FF EXTENDED COMMANDS
0089 ENDIF S3SOPT
0089 ENDIF S3SOPT
0090 *
0091 IFD S3EOPT
0092 *
0093 * DIGILENT SPARTAN 3E STARTER
0094 *
0095 ACIAOPT EQU $FF ACIA AT PORT 0
0096 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0097 VDUOPT EQU $FF VDU AT $E030
0098 TRAOPT EQU $FF PIA TRACE TIMER
0099 ENDIF S3EOPT
0099 ENDIF S3EOPT
0100 *
0101 IFD XESOPT
0102 *
0103 * XESS SPARTAN 3 XSA-3S1000 & XST-3.0
0104 *
0105 ACIAOPT EQU $FF ACIA AT PORT 0
0106 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0107 VDUOPT EQU $FF VDU AT $E030
0108 IDEOPT EQU $FF IDE AT $E100
0109 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0110 HFCOPT EQU $FF HARDWARE FLOW CONTROL
0111 EXTOPT EQU $FF EXTENDED COMMANDS
0112 ENDIF XESOPT
0112 ENDIF XESOPT
0113 *
0114 IFD ATLOPT
0115 *
0116 * Digilent Atlys SPARTAN6
0117 *
0118 00FF ACIAOPT EQU $FF ACIA AT PORT 0
0119 00FF PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0120 00FF VDUOPT EQU $FF VDU AT $E030
0121 00FF IDEOPT EQU $FF IDE AT $E100
0122 00FF DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0123 00FF HFCOPT EQU $FF HARDWARE FLOW CONTROL
0124 00FF EXTOPT EQU $FF EXTENDED COMMANDS
0125 ENDIF ATLOPT
0126 *
0127 IFD DE270OPT
0128 *
0129 * TERASIC CYCLONE 2 DE2-70
0130 *
0131 ACIAOPT EQU $FF ACIA AT PORT 0
0132 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
0133 VDUOPT EQU $FF VDU AT $E030
0134 CF8OPT EQU $FF COMPACT FLASH AT $E040
0135 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
0136 EXTOPT EQU $FF EXTENDED COMMANDS
0137 ENDIF DE270OPT
0137 ENDIF DE270OPT
0138 *
0139 *
0140 IFD ACIAOPT
0141 *
0142 ***************************************************
0143 * SERIAL PORT *
0144 ***************************************************
0145 *
0146 ** ACIA SITS ON PORT 0
0147 *
0148 E000 ACIAS EQU MONIO+$00 CONTROL PORT
0149 *
0150 ENDIF ACIAOPT
0151 IFD MFDCOPT
0152 *
0153 ***************************************************
0154 * MINIFLOPPY DRIVE *
0155 ***************************************************
0156 *
0157 ** FLOPPY DISK CONTROLLER SITS ON PORT 1
0158 *
0159 DRVFDC EQU MONIO+$14
0160 CMDFDC EQU MONIO+$18
0161 SECFDC EQU MONIO+$1A
0162 DATFDC EQU MONIO+$1B
0163 ENDIF MFDCOPT
0163 ENDIF MFDCOPT
0164 IFD PS2OPT
0165 *
0166 ***************************************************
0167 * VDU8 PS/2 KEYBOARD PORT *
0168 ***************************************************
0169 *
0170 ** KEYBOARD SITS ON PORT 2
0171 *
0172 E020 PS2KBD EQU MONIO+$20 PS/2 KEYBOARD PORT
0173 ENDIF PS2OPT
0174 IFD VDUOPT
0175 *
0176 ***************************************************
0177 * VDU8 DISPLAY DRIVER EQUATES *
0178 ***************************************************
0179 *
0180 ** VDU8 DISPLAY SITS ON PORT 3
0181 *
0182 E030 VDU EQU MONIO+$30
0183 0000 VDUCHR EQU 0 CHARACTER REGISTER
0184 0001 VDUATT EQU 1 ATTRIBUTE REGISTER
0185 0002 VDUCOL EQU 2 CURSOR COLUMN
0186 0003 VDUROW EQU 3 CURSOR ROW
0187 0004 VDUOFF EQU 4 ROW OFFSET
0188 *
0189 0050 LINLEN EQU 80 LENGTH OF A LINE
0190 0019 NUMLIN EQU 25 NUMBER OF LINES
0191 ENDIF VDUOPT
0192 *
0193 IFD CF8OPT
0194 *
0195 ***************************************************
0196 * COMPACT FLASH EQUATES 8 BIT TRANSFER *
0197 ***************************************************
0198 *
0199 ** COMPACT FLASH SITS AT PORT 4
0200 *
0201 CF_BASE EQU MONIO+$40
0202 CF_DATA EQU CF_BASE+0
0203 CF_ERROR EQU CF_BASE+1 ; read error
0204 CF_FEATURE EQU CF_BASE+1 ; write feature
0205 CF_SECCNT EQU CF_BASE+2
0206 CF_SECNUM EQU CF_BASE+3
0207 CF_CYLLO EQU CF_BASE+4
0208 CF_CYLHI EQU CF_BASE+5
0209 CF_HEAD EQU CF_BASE+6
0210 CF_STATUS EQU CF_BASE+7 ; read status
0211 CF_COMAND EQU CF_BASE+7 ; write command
0212 *
0213 * Command Equates
0214 *
0215 CMDREAD EQU $20 ; Read Single sector
0216 CMDWRITE EQU $30 ; Write Single sector
0217 CMDFEATURE EQU $EF
0218 FEAT8BIT EQU $01 ; enable 8 bit transfers
0219 HEADLBA EQU $E0
0220 *
0221 * Status bit equates
0222 *
0223 BUSY EQU $80
0224 DRDY EQU $40
0225 DRQ EQU $08
0226 ERR EQU $01
0227 *
0228 ENDIF CF8OPT
0228 ENDIF CF8OPT
0229 *
0230 IFD IDEOPT
0231 *
0232 ***************************************************
0233 * COMPACT FLASH EQUATES 16 BIT TRANSFER (XESS) *
0234 ***************************************************
0235 *
0236 ** COMPACT FLASH SITS AT PORT 4
0237 *
0238 E100 CF_BASE EQU MONIO+$0100
0239 E100 CF_DATA EQU CF_BASE+0
0240 E102 CF_ERROR EQU CF_BASE+2 ; read error
0241 E102 CF_FEATURE EQU CF_BASE+2 ; write feature
0242 E104 CF_SECCNT EQU CF_BASE+4
0243 E106 CF_SECNUM EQU CF_BASE+6
0244 E108 CF_CYLLO EQU CF_BASE+8
0245 E10A CF_CYLHI EQU CF_BASE+10
0246 E10C CF_HEAD EQU CF_BASE+12
0247 E10E CF_STATUS EQU CF_BASE+14 ; read status
0248 E10E CF_COMAND EQU CF_BASE+14 ; write command
0249 E11E CF_AUX EQU CF_BASE+30
0250 *
0251 * Command Equates
0252 *
0253 0020 CMDREAD EQU $20 ; Read Single sector
0254 0030 CMDWRITE EQU $30 ; Write Single sector
0255 0006 AUXRESET EQU $06 ; Reset IDE
0256 0002 AUXRSTREL EQU $02 ; Reset release IRQ masked
0257 00E0 HEADLBA EQU $E0
0258 *
0259 * Status bit equates
0260 *
0261 0080 BUSY EQU $80
0262 0040 DRDY EQU $40
0263 0008 DRQ EQU $08
0264 0001 ERR EQU $01
0265 *
0266 ENDIF CF8OPT
0267 *
0268 IFD RTCOPT
0269 *
0270 **************************************************
0271 * MM58167A REAL TIME CLOCK MEMORY MAP:
0272 **************************************************
0273 *
0274 ** REAL TIME CLOCK SITS ON PORT 4 AND PORT 5
0275 *
0276 CLOCK EQU MONIO+$40 CLOCK BASE ADDRESS AND REGISTERS
0277 *
0278 * COUNTER AND COMPARITOR REGISTERS:
0279 *
0280 * Both the Clock Counter and Clock Comparitor
0281 * consist of 8 registers for holding the time.
0282 * The register offsets from the Counter and
0283 * Comparitor registers are listed above.
0284 *
0285 COUNTR EQU CLOCK+0
0286 CMPRAM EQU CLOCK+8 COMPARITOR REGISTERS
0287 *
0288 * CLOCK REGISTER OFFSETS:
0289 * These register offsets are used for the CLOCK
0290 * and comparitor ram CMPRAM.
0291 *
0292 S10000 EQU 0 TEN THOUNSANDTHS OF SECONDS
0293 S100 EQU 1 HUNDRETHS AND TENTHS OF SECONDS
0294 SECOND EQU 2
0295 MINUIT EQU 3
0296 HOUR EQU 4
0297 WKDAY EQU 5
0298 MTHDAY EQU 6
0299 MONTH EQU 7
0300 *
0301 * INTERRUPT OUTPUT REGISTERS:
0302 *
0303 * An interrupt output may be generated at the
0304 * following rates by setting the appropriate bit
0305 * in the Interrupt Control Register (CINTCR).
0306 * The Interrupt Status Register (CINTSR) must be
0307 * read to clear the interrupt and will return
0308 * the source of the interrupt.
0309 *
0310 * 1/Month Bit 7
0311 * 1/Week Bit 6
0312 * 1/Day Bit 5
0313 * 1/Hour Bit 4
0314 * 1/Minuite Bit 3
0315 * 1/Second Bit 2
0316 * 10/Second Bit 1
0317 * Comparitor Bit 0
0318 *
0319 CINTSR EQU CLOCK+16 INTERRUPT STATUS REGISTER
0320 CINTCR EQU CLOCK+17 INTERRUPT CONTROL REGISTER
0321 *
0322 * COUNTER AND RAM RESETS; GO COMMAND.
0323 *
0324 * The counter and comparitor may be reset
0325 * by writing $FF into CTRRES and CMPRES
0326 * respectivly.
0327 * A write to the Go command register (GOCMND)
0328 * will reset the 1/1000ths, 1/100ths and 1/10ths
0329 * of a second counter.
0330 *
0331 CTRRES EQU CLOCK+18 COUNTER RESET
0332 CMPRES EQU CLOCK+19 COMPARITOR RAM RESET
0333 GOCMND EQU CLOCK+21 GO COMMAND
0334 *
0335 * CLOCK STATUS REGISTER.
0336 *
0337 * The counter takes 61 usec. to rollover for
0338 * every 1KHz clock pulse. If the Status bit is
0339 * set after reading the counter, the counter
0340 * should be re-read to ensure the time is correct.
0341 *
0342 CLKSTA EQU CLOCK+20 STATUS BIT
0343 SBYINT EQU CLOCK+22 STANDBY INTERRUPT
0344 TSTMOD EQU CLOCK+31 TEST MODE REGISTER
0345 ENDIF RTCOPT
0345 ENDIF RTCOPT
0346 *
0347 IFD TRAOPT
0348 *
0349 **************************************************
0350 * PIA INTERRUPT TIMER
0351 **************************************************
0352 *
0353 ** PIA INTERRUPT TIMER SITS ON PORT 7
0354 *
0355 ** PIA TIMER FOR SINGLE STEP / TRACE
0356 *
0357 * TADATA = Output = Timer preset register
0358 * TACTRL - CA1 = input = rising edge = NMI
0359 * - CA2 = Output = Timer Reset (Active High)
0360 * TBDATA = Input = Timer read back register
0361 * TBCTRL - CB1 = input = rising edge = FIRQ
0362 * - CB2 = output = strobe low on write to TBDATA = Timer Preset
0363 *
0364 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
0365 * CRA1 = 1 CA1 Rising edge IRQ
0366 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
0367 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
0368 * CRA4 = 1 ] CA2 = Set/Reset output
0369 * CRA5 = 1 ]
0370 * CRA6 = X CA2 Input Interrupt Flag
0371 * CRA7 = X CA1 Interrupt Flag
0372 *
0373 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
0374 * CRB1 = 1 CB1 Rising edge IRQ
0375 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
0376 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
0377 * CRB4 = 1 ] CB2 = Set/Reset output
0378 * CRB5 = 1 ]
0379 * CRB6 = X CB2 Input Interrupt Flag
0380 * CRB7 = X CB1 Interrupt Flag
0381 *
0382 * DDRA = 0 TADATA = Input, DDRA = 1 TADATA = Output
0383 * DDRB = 0 TBDATA = Input, DDRB = 1 TBDATA = Output
0384 *
0385 TADATA EQU MONIO+$70 Timer preset port
0386 TACTRL EQU MONIO+$71
0387 TBDATA EQU MONIO+$72 Timer read back port
0388 TBCTRL EQU MONIO+$73
0389 *
0390 TRADEL EQU 13 Number of E cycles for RTI (May need to be fudged)
0391 *
0392 ENDIF TRAOPT
0392 ENDIF TRAOPT
0393 IFD ADSOPT
0394 *
0395 ***************************************************
0396 * SERIAL PORT FOR DG640 *
0397 ***************************************************
0398 *
0399 ** SET UP FOR ACKERMAN DIGITAL ADS6809
0400 ** THE ADS6809 S100 BOAD HAS AN ON BOARD ACIA
0401 *
0402 ACIAS EQU MONIO+$400 CONTROL PORT
0403 *
0404 ENDIF ADSOPT
0404 ENDIF ADSOPT
0405 IFD PRTOPT
0406 *
0407 ***************************************************
0408 * PRINTER INTERFACE *
0409 ***************************************************
0410 *
0411 PADATA EQU MONIO+$404
0412 PACTRL EQU MONIO+$405
0413 PBDATA EQU MONIO+$406
0414 PBCTRL EQU MONIO+$407
0415 *
0416 ** CB1 ACK. I/P
0417 ** CB2 STB. O/P
0418 ** PB0 - PB7 DATA 1 - 8 O/P
0419 ** PORT A BIT ASSIGNMENT
0420 *
0421 PBUSY EQU $80 I/P
0422 PEMPTY EQU $40 I/P
0423 SELECT EQU $20 I/P
0424 PERROR EQU $10 I/P
0425 PRESET EQU %00000100 O/P PA3 = 0
0426 AUTOFD EQU %00001000 O/P PA2 = 0
0427 DIRMSK EQU %00001100
0428 ENDIF PRTOPT
0428 ENDIF PRTOPT
0429 IFD DG640OPT
0430 *
0431 ***************************************************
0432 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
0433 ***************************************************
0434 *
0435 ** VIDEO DISPLAY DEFINITIONS
0436 *
0437 SCREEN EQU MONIO+$0800 START OF SCREEN MEMORY
0438 LINLEN EQU 64 LENGTH OF A LINE
0439 NUMLIN EQU 16 NUMBER OF LINES
0440 SCNLEN EQU $400 LENGTH OF SCREEN
0441 ENDIF DG640OPT
0441 ENDIF DG640OPT
0442 *
0443 IFD DMAFOPT
0444 *
0445 ***************************************************
0446 * DMAF2 8" DRIVE *
0447 ***************************************************
0448 *
0449 ADDREG EQU $F000 ADDRESS REGISTER
0450 CNTREG EQU $F002 COUNT REGISTER
0451 CCREG EQU $F010 CHANNEL CONTROL REGISTER
0452 PRIREG EQU $F014 DMA PRIORITY REGISTER
0453 AAAREG EQU $F015 ???
0454 BBBREG EQU $F016 ???
0455 COMREG EQU $F020 1791 COMMAND REGISTER
0456 SECREG EQU $F022 SECTOR REGISTER
0457 DRVREG EQU $F024 DRIVE SELECT LATCH
0458 CCCREG EQU $F040 ???
0459 ENDIF DMAFOPT
0459 ENDIF DMAFOPT
0460 IFD DATOPT
0461 **************************************************
0462 * DYNAMIC ADDRESS TRANSLATION REGISTERS *
0463 **************************************************
0464 *
0465 FFF0 IC11 EQU $FFF0 DAT RAM CHIP
0466 55AA TSTPAT EQU $55AA TEST PATTERN
0467 ENDIF DATOPT
0468 *
0003 END
0000 INCLUDE "sys09ide.asm"
0001 *
0002 ** SYS09BUG MONITOR EXTENSIONS
0003 *
0004 * FOR SYS09BUG ON THE XESS XSA-3S100 / XST-3.0
0005 * WITH I/O MAPPED AT $XE000
0006 * 16 BIT IDE MAPPED AT $E100
0007 * AND ROM MAPPED AT $XF000
0008 *
0009 *
sys09ide.asm page 2
0011 *
0012 ***************************************************
0013 * Serial PROM register
0014 ***************************************************
0015 *
0016 ** CONFIGURATION PROM DEFINITIONS
0017 *
0018 E0C0 PROMREG EQU MONIO+$C0
0019 0001 PCLKHI EQU $01 Toggle PROM Clock High
0020 0000 PCLKLO EQU $00 Toggle PROM Clock Low
0021 0002 PRSTHI EQU $02 Toggle PROM Reset High
0022 0000 PRSTLO EQU $00 Toggle PROM Reset Low
0023 AA55 SYNCHI EQU $AA55 Synch Pattern High Word
0024 FF00 SYNCLO EQU $FF00 Synch Pattern Low Word
0025 *
0026 *
0027 ***************************************************
0028 * START OF ROM *
0029 ***************************************************
0030 *
0031 F800 MONITV EQU MONROM+0 FDB MONITOR
0032 F802 NXTCMV EQU MONROM+2 FDB NEXTCMD
0033 F804 INCHV EQU MONROM+4 FDB INCH
0034 F806 INCHEV EQU MONROM+6 FDB INCHE
0035 F808 INCHKV EQU MONROM+8 FDB INCHEK
0036 F80A OUTCHV EQU MONROM+10 FDB OUTCH
0037 F80C PDATAV EQU MONROM+12 FDB PDATA
0038 F80E PCRLFV EQU MONROM+14 FDB PCRLF
0039 F810 PSTRGV EQU MONROM+16 FDB PSTRNG
0040 F812 LRAV EQU MONROM+18 FDB LRA
0041 *
0042 * Condition code flags
0043 *
0044 0001 CFLAG EQU $01 CARRY FLAG
0045 0002 VFLAG EQU $02 OVERFLOW FLAG
0046 0004 ZFLAG EQU $04 ZERO FLAG
0047 0008 NFLAG EQU $08 NEGATIVE FLAG
0048 0010 IFLAG EQU $10 IRQ MASK CC
0049 0020 HFLAG EQU $20 HALF CARRY
0050 0040 FFLAG EQU $40 FIRQ MASK CC
0051 0080 EFLAG EQU $80 ENTIRE FLAG
0052 *
0053 * Serial Port
0054 *
0055 E000 ACIAC1 EQU ACIAS
0056 E001 ACIAD1 EQU ACIAS+1
0057 04E2 DELCON EQU 1250 Delay (Processor clock in MHz * 50)
0058 *
0059 * XMODEM Control characters
0060 *
0061 0001 SOH EQU $01
0062 0004 EOT EQU $04
0063 0006 ACK EQU $06
0064 0015 NAK EQU $15
0065 0018 CAN EQU $18
0066 *
0067 * Some Disk Constants
0068 *
0069 0100 RMAXTRK EQU 256
0070 00FF RMAXSEC EQU 255
0071 FE01 RTOTSEC EQU RMAXTRK*RMAXSEC-RMAXSEC
0072 *
0073 * RAM SPACE
0074 *
0075 * PUT THIS DOWN THE BOTTOM OF MEMORY
0076 *
0077 0100 ORG $0100
0078 0100 DRVNUM RMB 1
0079 0101 TRACK RMB 1
0080 0102 SECTOR RMB 1
0081 0103 CHKSUM RMB 1
0082 0104 BLKNUM RMB 1 Xmodem block number
0083 0105 BYTCNT RMB 1 Xmodem byte count
0084 0106 XSTATE RMB 2 Xmodem State Vector
0085 0108 DELCNT RMB 3 $00,$00,$00 Xmodem Poll timer
0086 010B MAXTRK RMB 1
0087 010C MAXSEC RMB 1
0088 0200 ORG $0200
0089 *
0090 * SECTOR BUFFER
0091 *
0092 0200 BUFFER RMB 256
0093 *
0094 ****************************************
0095 *
0096 * START OF EXTENSION COMMANDS
0097 *
0098 ****************************************
0099 *
0100 F000 ORG MONEXT
0101 F000 F0 02 FDB NEXTEXT Jump to next extended command
0102 *
0103 ***** NEXTCMD *****
0104 *
0105 F002 AD 9F F8 06 NEXTEXT JSR [INCHEV] GET ONE CHAR. FROM TERMINAL
0106 F006 84 7F ANDA #$7F STRIP PARITY FROM CHAR.
0107 F008 1F 89 TFR A,B
0108 F00A 86 20 LDA #$20
0109 F00C AD 9F F8 0A JSR [OUTCHV] PRNT SPACE
0110 F010 C1 60 CMPB #$60
0111 F012 2F 02 BLE NXTEX0
0112 F014 C0 20 SUBB #$20
0113 *
0114 ***** DO TABLE LOOKUP *****
0115 * FOR COMMAND FUNCTIONS
0116 *
0117 F016 8E F0 2C NXTEX0 LDX #EXTTAB POINT TO JUMP TABLE
0118 F019 E1 80 NXTEX1 CMPB ,X+ DOES COMMAND MATCH TABLE ENTRY ?
0119 F01B 27 0D BEQ JMPEXT BRANCH IF MATCH FOUND
0120 F01D 30 02 LEAX 2,X POINT TO NEXT ENTRY IN TABLE
0121 F01F 8C F0 35 CMPX #EXTEND REACHED END OF TABLE YET ?
0122 F022 26 F5 BNE NXTEX1 IF NOT END, CHECK NEXT ENTRY
0123 F024 8E F0 35 LDX #MSGWHAT POINT TO MSG "WHAT?"
0124 F027 16 02 29 LBRA PDATA1 PRINT MSG AND RETURN
0125 F02A 6E 94 JMPEXT JMP [,X] JUMP TO COMMAND ROUTINE
0126 *
0127 * EXTENDED COMMAND JUMP TABLE
0128 *
0129 F02C EXTTAB EQU *
0130 F02C 42 FCC 'B' BOOT FLEX
0131 F02D F0 3E FDB UBSUB
0132 F02F 46 FCC 'F' FORMAT IDE DISK
0133 F030 F0 EA FDB UFSUB
0134 F032 58 FCC 'X' XMODEM ROM DISK UPLOAD
0135 F033 F2 BC FDB UXSUB
0136 *
0137 F035 EXTEND EQU *
0138 *
0139 F035 57 48 41 54 20 3F MSGWHAT FCC "WHAT ?"
0140 F03B 0A 0D 04 FCB $0A,$0D,$04
0141 *
0142 * GO TO FLEX RESIDENT IN MEMORY
0143 *
0144 F03E 8E CD 00 UBSUB LDX #$CD00
0145 F041 AF 4A STX 10,U
0146 F043 1F 34 TFR U,S
0147 F045 3B RTI
0148 *
0149 * recieve char from remote drive.
0150 * timeout if no response for approx 1s.
0151 * Entry: no parameters
0152 * Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
0153 *
0154 F046 34 30 RCHAR PSHS X,Y
0155 *
0156 F048 8E 03 E8 LDX #1000 1000x inner loop
0157 F04B 10 8E 04 E2 RCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
0158 F04F B6 E0 00 RCHAR2 LDA ACIAC1 test for recieved char
0159 F052 47 ASRA
0160 F053 25 0A BCS RCHAR3 get character
0161 F055 31 3F LEAY -1,Y else, continue to count delay
0162 F057 26 F6 BNE RCHAR2
0163 F059 30 1F LEAX -1,X
0164 F05B 26 EE BNE RCHAR1
0165 F05D 35 B0 PULS X,Y,PC return with error if timed out
0166 *
0167 F05F B6 E0 01 RCHAR3 LDA ACIAD1 return data (carry bit still set)
0168 F062 35 B0 PULS X,Y,PC
0169 *
0170 *
0171 * transmit char to remote drive.
0172 * timeout if no response for approx 1s. (allows for use of hardware flow control)
0173 * Entry: (A) = char to transmit
0174 * Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
0175 *
0176 F064 34 30 SCHAR PSHS X,Y
0177 F066 34 02 PSHS A
0178 *
0179 F068 8E 03 E8 LDX #1000 1000x inner loop
0180 F06B 10 8E 04 E2 SCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
0181 F06F B6 E0 00 SCHAR2 LDA ACIAC1 test for space in transmit FIFO
0182 F072 47 ASRA
0183 F073 47 ASRA
0184 F074 25 0C BCS SCHAR3 send character
0185 F076 31 3F LEAY -1,Y else, continue to count delay
0186 F078 26 F5 BNE SCHAR2
0187 F07A 30 1F LEAX -1,X
0188 F07C 26 ED BNE SCHAR1
0189 F07E 35 02 PULS A
0190 F080 35 B0 PULS X,Y,PC return with error if timed out
0191 *
0192 F082 35 02 SCHAR3 PULS A
0193 F084 B7 E0 01 STA ACIAD1 send data (carry bit still set)
0194 F087 35 B0 PULS X,Y,PC
0195 *
0196 ** 'UF' Format IDE Drive to FLEX standard.
0197 *
0198 F089 0A 0D DISFOS FCB $0A,$0D
0199 F08B 46 6F 72 6D 61 74 FCC 'Formating IDE disk... '
69 6E 67 20 49 44
45 20 64 69 73 6B
2E 2E 2E 20
0200 F0A1 0A 0D FCB $0A,$0D
0201 F0A3 44 72 69 76 65 20 FCC 'Drive Number ?'
4E 75 6D 62 65 72
20 3F
0202 F0B1 04 FCB 4
0203 F0B2 0A 0D 04 MESS6 FCB $0A,$0D,4
0204 F0B5 49 44 45 20 64 72 FCC 'IDE drive not allocated! '
69 76 65 20 6E 6F
74 20 61 6C 6C 6F
63 61 74 65 64 21
20
0205 F0CE 04 FCB 4
0206 F0CF 0A 0D UFMSG1 FCB $0A,$0D
0207 F0D1 46 6F 72 6D 61 74 FCC 'Format Complete'
20 43 6F 6D 70 6C
65 74 65
0208 F0E0 04 FCB 4
0209 F0E1 49 44 45 44 49 53 VOLMSG FCC 'IDEDISK '
4B 20
0210 F0E9 04 FCB 4
0211 *
0212 F0EA BD F4 BD UFSUB JSR INITDR
0213 F0ED 8E F0 89 LDX #DISFOS
0214 F0F0 BD F2 53 JSR PDATA1
0215 F0F3 17 FF 50 UFSUB1 LBSR RCHAR
0216 F0F6 24 FB BCC UFSUB1
0217 F0F8 17 FF 69 LBSR SCHAR
0218 F0FB 81 30 CMPA #'0'
0219 F0FD 10 25 00 EF LBLO UFEXIT
0220 F101 81 33 CMPA #'3'
0221 F103 10 22 00 E9 LBHI UFEXIT
0222 F107 80 30 SUBA #'0'
0223 F109 1F 89 TFR A,B
0224 F10B F7 01 00 STB DRVNUM
0225 F10E 8E 00 FD LDX #DRVNUM-3
0226 F111 BD F5 3A JSR DRVSEL
0227 *
0228 * set up free chain
0229 *
0230 F114 8E 02 00 LDX #BUFFER clear out buffer
0231 F117 4F CLRA
0232 F118 5F CLRB
0233 F119 A7 80 DFL1 STA 0,X+
0234 F11B 5A DECB
0235 F11C 26 FB BNE DFL1
0236 *
0237 F11E 7F 01 01 CLR TRACK
0238 F121 86 01 LDA #1
0239 F123 B7 01 02 STA SECTOR
0240 F126 8E 02 00 DFL2 LDX #BUFFER
0241 F129 B6 01 01 LDA TRACK
0242 F12C A7 84 STA 0,X
0243 F12E B6 01 02 LDA SECTOR
0244 F131 4C INCA
0245 F132 81 00 CMPA #RMAXSEC+1 last sector on track?
0246 F134 26 04 BNE DFL3
0247 F136 6C 84 INC 0,X
0248 F138 86 01 LDA #1
0249 F13A A7 01 DFL3 STA 1,X
0250 F13C B6 01 01 LDA TRACK
0251 F13F F6 01 02 LDB SECTOR
0252 F142 BD F5 15 JSR WRITSC
0253 F145 7C 01 02 INC SECTOR
0254 F148 B6 01 02 LDA SECTOR
0255 F14B 81 00 CMPA #RMAXSEC+1
0256 F14D 26 D7 BNE DFL2
0257 F14F 86 01 LDA #1
0258 F151 B7 01 02 STA SECTOR
0259 F154 7C 01 01 INC TRACK
0260 F157 B6 01 01 LDA TRACK
0261 F15A 81 00 CMPA #RMAXTRK
0262 F15C 26 C8 BNE DFL2
0263 * break free chain at last track/sector
0264 F15E 8E 02 00 LDX #BUFFER
0265 F161 86 FF LDA #RMAXTRK-1
0266 F163 C6 FF LDB #RMAXSEC
0267 F165 BD F4 F1 JSR READSC
0268 F168 8E 02 00 LDX #BUFFER
0269 F16B 6F 84 CLR 0,X
0270 F16D 6F 01 CLR 1,X
0271 F16F 86 FF LDA #RMAXTRK-1
0272 F171 C6 FF LDB #RMAXSEC
0273 F173 BD F5 15 JSR WRITSC
0274 * set up sector structure, SIR, directory etc
0275 F176 8E 02 00 LDX #BUFFER
0276 F179 4F CLRA
0277 F17A C6 FF LDB #RMAXSEC
0278 F17C BD F4 F1 JSR READSC
0279 F17F 8E 02 00 LDX #BUFFER
0280 F182 6F 84 CLR 0,X break end of directory chain
0281 F184 6F 01 CLR 1,X
0282 F186 4F CLRA
0283 F187 C6 FF LDB #RMAXSEC
0284 F189 BD F5 15 JSR WRITSC
0285 *
0286 F18C 8E 02 00 LDX #BUFFER
0287 F18F 4F CLRA
0288 F190 C6 03 LDB #3 set up SIR
0289 F192 BD F4 F1 JSR READSC
0290 F195 8E 02 00 LDX #BUFFER
0291 F198 6F 84 CLR 0,X break forward link
0292 F19A 6F 01 CLR 1,X
0293 *
0294 F19C 34 20 PSHS Y
0295 F19E 10 8E F0 E1 LDY #VOLMSG
0296 F1A2 C6 10 LDB #16
0297 F1A4 A6 A0 DFL4 LDA ,Y+
0298 F1A6 A7 85 STA B,X
0299 F1A8 5C INCB
0300 F1A9 C1 18 CMPB #24
0301 F1AB 26 F7 BNE DFL4
0302 F1AD 35 20 PULS Y
0303 *
0304 F1AF 4F CLRA
0305 F1B0 F6 01 00 LDB DRVNUM volume number
0306 F1B3 ED 88 1B STD 27,X
0307 *
0308 F1B6 CC 01 01 LDD #$0101 first trk/sec 01-01
0309 F1B9 ED 88 1D STD 29,X
0310 F1BC 86 FF LDA #RMAXTRK-1
0311 F1BE C6 FF LDB #RMAXSEC
0312 F1C0 ED 88 1F STD 31,X
0313 F1C3 ED 88 26 STD 38,X
0314 F1C6 CC FE 01 LDD #RTOTSEC total DATA sectors (2912-14)
0315 F1C9 ED 88 21 STD 33,X
0316 *
0317 F1CC 86 01 LDA #01 month set default creation date (SYS09's birthday!)
0318 F1CE A7 88 23 STA 35,X
0319 F1D1 86 07 LDA #07 day
0320 F1D3 A7 88 24 STA 36,X
0321 F1D6 86 07 LDA #07 year
0322 F1D8 A7 88 25 STA 37,X
0323 *
0324 F1DB 4F RF3 CLRA
0325 F1DC C6 03 LDB #3
0326 F1DE BD F5 15 JSR WRITSC
0327 *
0328 * Not sure what this is about
0329 * put bootstrap on track 0 sector 1
0330 *
0331 * LDX #BUFFER
0332 * CLRA
0333 * LDB #1
0334 * JSR READSC
0335 * LDX #BUFFER
0336 * LDA #$AA set the init flag
0337 * STA 0,X
0338 * LDA #$55
0339 * STA 1,X
0340 * CLRA
0341 * LDB #1
0342 * JSR WRITSC
0343 *
0344 * Write Boot sector
0345 *
0346 F1E1 8E F7 00 LDX #BOOT
0347 F1E4 4F CLRA TRACK 0
0348 F1E5 C6 01 LDB #$01 SECTOR 1
0349 F1E7 B7 01 01 STA TRACK
0350 F1EA F7 01 02 STB SECTOR
0351 F1ED 17 03 25 LBSR WRITSC
0352 *
0353 F1F0 8E F0 CF UFEXIT LDX #UFMSG1
0354 F1F3 7E F2 53 JMP PDATA1
0355 *
0356 * ACIA INPUT TEST
0357 *
0358 F1F6 B6 E0 00 INTEST LDA ACIAC1
0359 F1F9 85 01 BITA #$01
0360 F1FB 39 RTS
0361 *
0362 * RESET ACIA
0363 *
0364 F1FC 86 03 ACIRST LDA #$03 master reset
0365 F1FE B7 E0 00 STA ACIAC1
0366 F201 86 11 LDA #$11
0367 F203 B7 E0 00 STA ACIAC1
0368 F206 39 RTS
0369 *
0370 * ACIA INPUT
0371 *
0372 F207 86 10 INTER LDA #16
0373 F209 B7 01 08 STA DELCNT+0
0374 F20C 7F 01 09 CLR DELCNT+1
0375 F20F 7F 01 0A CLR DELCNT+2
0376 F212 B6 E0 00 INTER0 LDA ACIAC1
0377 F215 85 01 BITA #$01
0378 F217 26 08 BNE INTER1
0379 F219 85 78 BITA #$78
0380 F21B 27 0A BEQ INTER2
0381 F21D 8D DD BSR ACIRST
0382 F21F 20 E6 BRA INTER
0383 *
0384 F221 B6 E0 01 INTER1 LDA ACIAD1
0385 F224 1C FD ANDCC #$FF-VFLAG
0386 F226 39 RTS
0387 *
0388 F227 7A 01 0A INTER2 DEC DELCNT+2
0389 F22A 26 E6 BNE INTER0
0390 F22C 7A 01 09 DEC DELCNT+1
0391 F22F 26 E1 BNE INTER0
0392 F231 7A 01 08 DEC DELCNT+0
0393 F234 26 DC BNE INTER0
0394 F236 4F CLRA
0395 F237 1A 02 ORCC #VFLAG
0396 F239 39 RTS
0397 *
0398 * ACIA OUTPUT
0399 *
0400 F23A 34 02 OUTTER PSHS A
0401 *
0402 F23C B6 E0 00 OUTTE1 LDA ACIAC1
0403 F23F 85 02 BITA #$02
0404 F241 26 08 BNE OUTTE2
0405 F243 85 78 BITA #$78
0406 F245 27 F5 BEQ OUTTE1
0407 F247 8D B3 BSR ACIRST
0408 F249 20 F1 BRA OUTTE1
0409 *
0410 F24B 35 02 OUTTE2 PULS A
0411 F24D B7 E0 01 STA ACIAD1
0412 F250 39 RTS
0413 *
0414 * Print Data
0415 *
0416 F251 8D E7 PDATA0 BSR OUTTER
0417 F253 A6 80 PDATA1 LDA ,X+
0418 F255 81 04 CMPA #$04
0419 F257 26 F8 BNE PDATA0
0420 F259 39 RTS
0421 *
0422 *
0423 ** 'UX' Xmodem IDE Disk upload
0424 *
0425 F25A 0D 0A UXMES0 FCB $0D,$0A
0426 F25C 58 6D 6F 64 65 6D FCC 'Xmodem IDE Disk Upload'
20 49 44 45 20 44
69 73 6B 20 55 70
6C 6F 61 64
0427 F272 04 FCB 4
0428 F273 0D 0A UXMES1 FCB $0D,$0A
0429 F275 55 70 6C 6F 61 64 FCC 'Upload Complete'
20 43 6F 6D 70 6C
65 74 65
0430 F284 04 FCB 4
0431 F285 0D 0A UXMES2 FCB $0D,$0A
0432 F287 55 70 6C 6F 61 64 FCC 'Upload Error'
20 45 72 72 6F 72
0433 F293 04 FCB 4
0434 F294 0D 0A UXMSG3 FCB $0D,$0A
0435 F296 44 72 69 76 65 20 FCC 'Drive Number :'
4E 75 6D 62 65 72
20 3A
0436 F2A4 04 FCB 4
0437 F2A5 0D 0A UXMSG4 FCB $0D,$0A
0438 F2A7 41 72 65 20 59 6F FCC 'Are You Sure ? (Y/N)'
75 20 53 75 72 65
20 3F 20 28 59 2F
4E 29
0439 F2BB 04 FCB 4
0440 *
0441 * Print Banner
0442 *
0443 F2BC 8E F2 5A UXSUB LDX #UXMES0
0444 F2BF 17 FF 91 LBSR PDATA1
0445 *
0446 * Prompt for Disk drive number (0 to 3)
0447 *
0448 F2C2 8E F2 94 LDX #UXMSG3
0449 F2C5 17 FF 8B LBSR PDATA1
0450 F2C8 17 FF 3C UXSUB1 LBSR INTER
0451 F2CB 29 FB BVS UXSUB1
0452 F2CD 17 FF 6A LBSR OUTTER
0453 F2D0 81 30 CMPA #'0
0454 F2D2 10 25 01 2E LBLO UXEXIT
0455 F2D6 81 33 CMPA #'3
0456 F2D8 10 22 01 28 LBHI UXEXIT
0457 F2DC 80 30 SUBA #'0
0458 F2DE B7 01 00 STA DRVNUM
0459 *
0460 * Report selected drive
0461 *
0462 F2E1 8E F2 94 LDX #UXMSG3
0463 F2E4 17 FF 6C LBSR PDATA1
0464 F2E7 B6 01 00 LDA DRVNUM
0465 F2EA 8B 30 ADDA #'0
0466 F2EC 17 FF 4B LBSR OUTTER
0467 *
0468 * Ask for confirmation (Y/N)
0469 *
0470 F2EF 8E F2 A5 LDX #UXMSG4
0471 F2F2 17 FF 5E LBSR PDATA1
0472 F2F5 17 FF 0F UXSUB2 LBSR INTER
0473 F2F8 29 FB BVS UXSUB2
0474 F2FA 17 FF 3D LBSR OUTTER
0475 F2FD 84 5F ANDA #$5F
0476 F2FF 81 4E CMPA #'N
0477 F301 10 27 00 FF LBEQ UXEXIT
0478 F305 81 59 CMPA #'Y
0479 F307 26 B3 BNE UXSUB
0480 *
0481 * We have confirmation ... now load the disk image
0482 *
0483 F309 17 01 B1 LBSR INITDR
0484 F30C CE F4 2D LDU #XSTST
0485 F30F FF 01 06 STU XSTATE
0486 F312 86 01 LDA #1
0487 F314 B7 01 04 STA BLKNUM
0488 *
0489 * Sector1
0490 *
0491 F317 8E 02 00 LDX #BUFFER
0492 *
0493 F31A 4F CLRA TRACK 0
0494 F31B C6 01 LDB #$01 SECTOR 1
0495 F31D B7 01 01 STA TRACK
0496 F320 F7 01 02 STB SECTOR
0497 *
0498 F323 17 00 EA LBSR XREAD
0499 F326 10 25 00 E0 LBCS UXERR
0500 F32A 17 01 87 LBSR XACK
0501 F32D 17 00 E0 LBSR XREAD
0502 F330 10 25 00 D6 LBCS UXERR
0503 *
0504 F334 8E 02 00 LDX #BUFFER
0505 F337 B6 01 01 LDA TRACK
0506 F33A F6 01 02 LDB SECTOR
0507 F33D 17 01 D5 LBSR WRITSC
0508 F340 17 01 71 LBSR XACK
0509 *
0510 * Sector 2
0511 *
0512 F343 8E 02 00 LDX #BUFFER
0513 *
0514 F346 B6 01 01 LDA TRACK
0515 F349 F6 01 02 LDB SECTOR
0516 F34C 5C INCB
0517 F34D B7 01 01 STA TRACK
0518 F350 F7 01 02 STB SECTOR
0519 *
0520 F353 17 00 BA LBSR XREAD
0521 F356 10 25 00 B0 LBCS UXERR
0522 F35A 17 01 57 LBSR XACK
0523 F35D 17 00 B0 LBSR XREAD
0524 F360 10 25 00 A6 LBCS UXERR
0525 *
0526 F364 8E 02 00 LDX #BUFFER
0527 F367 B6 01 01 LDA TRACK
0528 F36A F6 01 02 LDB SECTOR
0529 F36D 17 01 A5 LBSR WRITSC
0530 *
0531 F370 17 01 41 LBSR XACK
0532 *
0533 * Sector 3 - SIR
0534 *
0535 F373 8E 02 00 LDX #BUFFER
0536 *
0537 F376 B6 01 01 LDA TRACK
0538 F379 F6 01 02 LDB SECTOR
0539 F37C 5C INCB
0540 F37D B7 01 01 STA TRACK
0541 F380 F7 01 02 STB SECTOR
0542 *
0543 F383 17 00 8A LBSR XREAD
0544 F386 10 25 00 80 LBCS UXERR
0545 F38A 17 01 27 LBSR XACK
0546 F38D 17 00 80 LBSR XREAD
0547 F390 10 25 00 76 LBCS UXERR
0548 *
0549 F394 8E 02 00 LDX #BUFFER
0550 F397 A6 88 26 LDA 38,X
0551 F39A 4C INCA
0552 F39B B7 01 0B STA MAXTRK
0553 F39E E6 88 27 LDB 39,X
0554 F3A1 5C INCB
0555 F3A2 F7 01 0C STB MAXSEC
0556 F3A5 B6 01 01 LDA TRACK
0557 F3A8 F6 01 02 LDB SECTOR
0558 F3AB 17 01 67 LBSR WRITSC
0559 *
0560 F3AE 17 01 03 LBSR XACK
0561 *
0562 * Sector 4 to Last Track & Sector
0563 *
0564 *
0565 F3B1 B6 01 01 LDA TRACK
0566 F3B4 F6 01 02 LDB SECTOR
0567 F3B7 5C INCB
0568 *
0569 F3B8 8E 02 00 UXLOOP LDX #BUFFER
0570 F3BB B7 01 01 STA TRACK
0571 F3BE F7 01 02 STB SECTOR
0572 *
0573 F3C1 17 00 4C LBSR XREAD
0574 F3C4 10 25 00 42 LBCS UXERR
0575 F3C8 17 00 E9 LBSR XACK
0576 F3CB 17 00 42 LBSR XREAD
0577 F3CE 10 25 00 38 LBCS UXERR
0578 *
0579 F3D2 8E 02 00 LDX #BUFFER
0580 F3D5 B6 01 01 LDA TRACK
0581 F3D8 F6 01 02 LDB SECTOR
0582 F3DB 17 01 37 LBSR WRITSC
0583 F3DE 17 00 D3 LBSR XACK
0584 *
0585 F3E1 B6 01 01 LDA TRACK
0586 F3E4 F6 01 02 LDB SECTOR
0587 F3E7 5C INCB
0588 F3E8 F1 01 0C CMPB MAXSEC
0589 F3EB 26 CB BNE UXLOOP
0590 F3ED C6 01 LDB #1
0591 F3EF 4C INCA
0592 F3F0 B1 01 0B CMPA MAXTRK
0593 F3F3 26 C3 BNE UXLOOP
0594 *
0595 *
0596 * Write Boot sector
0597 *
0598 F3F5 8E F7 00 LDX #BOOT
0599 F3F8 4F CLRA TRACK 0
0600 F3F9 C6 01 LDB #$01 SECTOR 1
0601 F3FB B7 01 01 STA TRACK
0602 F3FE F7 01 02 STB SECTOR
0603 F401 17 01 11 LBSR WRITSC
0604 *
0605 F404 8E F2 73 UXEXIT LDX #UXMES1
0606 F407 7E F2 53 JMP PDATA1
0607 *
0608 F40A 8E F2 85 UXERR LDX #UXMES2
0609 F40D 16 FE 43 LBRA PDATA1
0610 *
0611 * Get a Byte using XModem protocol
0612 * Carry clear => no errors
0613 * Carry set => errors
0614 *
0615 F410 34 40 XREAD PSHS U
0616 F412 FE 01 06 LDU XSTATE
0617 *
0618 F415 17 FD EF XBYTE0 LBSR INTER
0619 F418 28 0A BVC XBYTE1
0620 F41A 86 15 LDA #NAK
0621 F41C 17 FE 1B LBSR OUTTER
0622 F41F CE F4 2D LDU #XSTST
0623 F422 20 F1 BRA XBYTE0
0624 *
0625 F424 AD C4 XBYTE1 JSR ,U
0626 F426 26 ED BNE XBYTE0
0627 F428 FF 01 06 STU XSTATE
0628 F42B 35 C0 PULS U,PC
0629 *
0630 * START - LOOK FOR SOH (START OF HEADER) = $01
0631 *
0632 F42D 81 01 XSTST CMPA #SOH
0633 F42F 26 06 BNE XSTST1
0634 F431 CE F4 4D LDU #XSTBL
0635 F434 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0636 F436 39 RTS
0637 *
0638 F437 81 04 XSTST1 CMPA #EOT
0639 F439 26 08 BNE XSTST2
0640 F43B 86 06 LDA #ACK
0641 F43D 17 FD FA LBSR OUTTER
0642 F440 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0643 F442 39 RTS
0644 *
0645 F443 81 18 XSTST2 CMPA #CAN
0646 F445 26 03 BNE XSTST3
0647 F447 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0648 F449 39 RTS
0649 *
0650 F44A 1C FA XSTST3 ANDCC #$FF-CFLAG-ZFLAG
0651 F44C 39 RTS
0652 *
0653 * Got SOH
0654 * Now get block number
0655 *
0656 F44D B1 01 04 XSTBL CMPA BLKNUM
0657 F450 26 06 BNE XSTBLE
0658 F452 CE F4 63 LDU #XSTCOM
0659 F455 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0660 F457 39 RTS
0661 *
0662 * Error in block number
0663 *
0664 F458 86 15 XSTBLE LDA #NAK
0665 F45A 17 FD DD LBSR OUTTER
0666 F45D CE F4 2D LDU #XSTST
0667 F460 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0668 F462 39 RTS
0669 *
0670 * Get complement of block number
0671 *
0672 F463 43 XSTCOM COMA
0673 F464 B1 01 04 CMPA BLKNUM
0674 F467 26 EF BNE XSTBLE
0675 F469 7F 01 03 CLR CHKSUM
0676 F46C 86 80 LDA #128
0677 F46E B7 01 05 STA BYTCNT
0678 F471 CE F4 77 LDU #XSTDA
0679 F474 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0680 F476 39 RTS
0681 *
0682 * Get data bytes
0683 *
0684 F477 34 02 XSTDA PSHS A
0685 F479 BB 01 03 ADDA CHKSUM
0686 F47C B7 01 03 STA CHKSUM
0687 F47F 35 02 PULS A
0688 F481 7A 01 05 DEC BYTCNT
0689 F484 26 03 BNE XSTDA1
0690 F486 CE F4 8E LDU #XSTCK
0691 F489 A7 80 XSTDA1 STA ,X+
0692 F48B 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0693 F48D 39 RTS
0694 *
0695 * Byte count reached zero
0696 * Check checksum byte
0697 *
0698 F48E B1 01 03 XSTCK CMPA CHKSUM
0699 F491 26 0B BNE XSTCK1 retry if wrong checksum
0700 *
0701 * Checksum OK ...
0702 * increment block number
0703 * Don't send ACK until data written to CF
0704 *
0705 F493 7C 01 04 INC BLKNUM
0706 F496 CE F4 2D LDU #XSTST
0707 F499 1C FE ANDCC #$FF-CFLAG No abort
0708 F49B 1A 04 ORCC #ZFLAG Valid data (exit)
0709 F49D 39 RTS
0710 *
0711 * Checksum Error detected ...
0712 * Reset Sector counter in ACCB to last 128 byte boundary
0713 * and send NAK
0714 *
0715 F49E 34 04 XSTCK1 PSHS B
0716 F4A0 1F 10 TFR X,D
0717 F4A2 5A DECB
0718 F4A3 C4 80 ANDB #128
0719 F4A5 1F 01 TFR D,X
0720 F4A7 35 04 PULS B
0721 F4A9 86 15 LDA #NAK
0722 F4AB 17 FD 8C XSTCK2 LBSR OUTTER
0723 F4AE CE F4 2D LDU #XSTST
0724 F4B1 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0725 F4B3 39 RTS
0726 *
0727 * Acknowledge Data Received
0728 *
0729 F4B4 34 02 XACK PSHS A
0730 F4B6 86 06 LDA #ACK
0731 F4B8 17 FD 7F LBSR OUTTER
0732 F4BB 35 82 PULS A,PC
0733 *
0734 *
0735 ** FLEX 9 IDE DISK DRIVERS
0736 *
0737 * FOR SYS09BUG 1.2 ON THE XSA-3S1000
0738 * WITH I/O MAPPED AT $XE000
0739 * AND ROM MAPPED AT $XF000
0740 *
0741 *
0742 * INITIALIZE CF CARD FOR 8 BIT LBA MODE
0743 *
0744 F4BD CC 00 06 INITDR LDD #AUXRESET
0745 F4C0 FD E1 1E STD CF_AUX
0746 F4C3 CC 00 02 LDD #AUXRSTREL
0747 F4C6 FD E1 1E STD CF_AUX
0748 F4C9 CC 00 E0 LDD #HEADLBA
0749 F4CC FD E1 0C STD CF_HEAD
0750 F4CF 16 02 D6 LBRA WTRDY
0751 *
0752 * RESTORE DISK DRIVER (SEEK TRACK 00)
0753 *
0754 F4D2 8D 66 RESTR1 BSR DRVSEL
0755 F4D4 4F CLRA ; Track 0
0756 F4D5 C6 01 LDB #$01 ; Sector 1
0757 *
0758 * Seek track and sector
0759 * A holds track number (0 - ??)
0760 * B holds sector number (1 - ??)
0761 * Sector numbers starts from 1
0762 * subtract 1 to start from sector 0 on CF
0763 *
0764 F4D7 34 02 SEEKTS PSHS A
0765 F4D9 4F CLRA
0766 F4DA 5A DECB
0767 F4DB FD E1 06 STD CF_SECNUM
0768 F4DE E6 E4 LDB ,S
0769 F4E0 FD E1 08 STD CF_CYLLO
0770 F4E3 F6 01 00 LDB DRVNUM
0771 F4E6 FD E1 0A STD CF_CYLHI
0772 F4E9 C6 01 LDB #$01
0773 F4EB FD E1 04 STD CF_SECCNT
0774 F4EE 5F CLRB
0775 F4EF 35 82 PULS A,PC
0776 *
0777 * READ SECTORS FROM CF
0778 *
0779 *
0780 F4F1 8D E4 READSC BSR SEEKTS
0781 F4F3 CC 00 20 LDD #CMDREAD ; IDE READ MULTIPLE
0782 F4F6 FD E1 0E STD CF_COMAND
0783 F4F9 17 02 AC LBSR WTRDY
0784 *
0785 * READ LOOP
0786 *
0787 F4FC 34 20 PSHS Y
0788 F4FE 10 8E 01 00 LDY #256
0789 F502 17 02 B2 RDLP1 LBSR WTDRQ
0790 F505 FC E1 00 LDD CF_DATA
0791 F508 E7 80 STB ,X+
0792 F50A 31 3F LEAY -1,Y
0793 F50C 26 F4 BNE RDLP1
0794 F50E 35 20 PULS Y
0795 *
0796 F510 17 02 95 LBSR WTRDY
0797 F513 5F CLRB
0798 F514 39 RTS
0799 *
0800 * WRITE SECTOR TO CF
0801 *
0802 F515 8D C0 WRITSC BSR SEEKTS ; SEEK TRACK & SECTOR
0803 F517 CC 00 30 LDD #CMDWRITE ; IDE WRITE MULTIPLE
0804 F51A FD E1 0E STD CF_COMAND
0805 F51D 17 02 88 LBSR WTRDY
0806 *
0807 * WRITE LOOP
0808 *
0809 F520 34 20 PSHS Y
0810 F522 10 8E 01 00 LDY #256
0811 F526 4F CLRA
0812 F527 17 02 8D WRTLP1 LBSR WTDRQ
0813 F52A E6 80 LDB ,X+
0814 F52C FD E1 00 STD CF_DATA
0815 F52F 31 3F LEAY -1,Y
0816 F531 26 F4 BNE WRTLP1
0817 F533 35 20 PULS Y
0818 *
0819 F535 17 02 70 LBSR WTRDY
0820 F538 5F CLRB
0821 F539 39 RTS
0822 *
0823 * DRIVE SELECT DISK DRIVER
0824 *
0825 F53A A6 03 DRVSEL LDA 3,X GET DRIVE # FROM FCB
0826 F53C 81 03 CMPA #3
0827 F53E 23 01 BLS DRVS2 IF > 3, SET IT TO 0
0828 F540 4F CLRA
0829 F541 B7 01 00 DRVS2 STA DRVNUM
0830 F544 5F CLRB ; SET Z, CLEAR C
0831 F545 39 RTS
0832 *
0833 * CHECK DRIVE READY DISK DRIVER
0834 *
0835 F546 A6 03 CHKDRV LDA 3,X
0836 F548 5F CLRB ; CLEAR C, SET Z
0837 F549 39 RTS
0838 *******************************************************
0839 *
0840 * Bootstrap FLEX Loader
0841 *
0842 * SBUG1.8 loads the bootstap loader at $C000
0843 * however the Flex adaption manual has the
0844 * bootstrap loader residing at $C100
0845 * Bootstrap Loader is position independent code
0846 *
0847 ******************************************************
0848 *
0849 * Equates
0850 *
0851 C0FF BSSTACK EQU $C0FF
0852 C300 SCTBUF EQU $C300
0853 *
0854 * Start of Utility
0855 *
0856 F700 ORG MONEXT+$0700
0857 F700 20 0B BOOT BRA BLOAD0
0858 F702 00 00 00 FCB 0,0,0
0859 F705 00 TRK FCB 0 File start track
0860 F706 00 SCT FCB 0 File start sector
0861 F707 00 DNS FCB 0 Density Flag (not used)
0862 F708 C0 00 TADR FDB $C000 Transfer address
0863 F70A 00 00 LADR FDB 0 Load Address
0864 F70C 00 DRNUM FCB 0 Drive number 0
0865 *
0866 F70D 10 CE C0 FF BLOAD0 LDS #BSSTACK Set up Bootstrap stack
0867 F711 EC 8C F1 LDD TRK,PCR Set up start track and sector
0868 F714 FD C3 00 STD SCTBUF
0869 F717 10 8E C4 00 LDY #SCTBUF+256
0870 *
0871 * Perform actual file load
0872 *
0873 F71B 8D 35 BLOAD1 BSR GETCH Get acharcater
0874 F71D 81 02 CMPA #$02 Data record hearder ?
0875 F71F 27 10 BEQ BLOAD2 Skip, is so
0876 F721 81 16 CMPA #$16 Xfr address hearder ?
0877 F723 26 F6 BNE BLOAD1 Loop if neither
0878 *
0879 * Get transfer address
0880 *
0881 F725 8D 2B BSR GETCH
0882 F727 A7 8C DE STA TADR,PCR
0883 F72A 8D 26 BSR GETCH
0884 F72C A7 8C DA STA TADR+1,PCR
0885 F72F 20 EA BRA BLOAD1
0886 *
0887 * Load data record
0888 *
0889 F731 8D 1F BLOAD2 BSR GETCH Get load address
0890 F733 A7 8C D4 STA LADR,PCR
0891 F736 8D 1A BSR GETCH
0892 F738 A7 8C D0 STA LADR+1,PCR
0893 F73B 8D 15 BSR GETCH Get Bytes count
0894 F73D 1F 89 TFR A,B
0895 F73F 5D TSTB
0896 F740 27 D9 BEQ BLOAD1 Loop if count = 0
0897 F742 AE 8C C5 LDX LADR,PCR Get load address
0898 F745 34 14 BLOAD3 PSHS B,X
0899 F747 8D 09 BSR GETCH Get data character
0900 F749 35 14 PULS B,X
0901 F74B A7 80 STA ,X+ Store at load address
0902 F74D 5A DECB
0903 F74E 26 F5 BNE BLOAD3 Loop until count = 0
0904 F750 20 C9 BRA BLOAD1
0905 *
0906 * Get Character routine
0907 * Reads a sector if needed
0908 *
0909 F752 10 8C C4 00 GETCH CMPY #SCTBUF+256 out of data ?
0910 F756 26 0F BNE GETCH4 Go read Character if not
0911 F758 8E C3 00 GETCH2 LDX #SCTBUF Point to buffer
0912 F75B EC 84 LDD 0,X Get forward Link
0913 F75D 27 0B BEQ GOFLEX if zero, file is loaded
0914 F75F 8D 26 BSR READ Read next sector
0915 F761 26 9D BNE BOOT start over if error
0916 F763 10 8E C3 04 LDY #SCTBUF+4 Point past link
0917 F767 A6 A0 GETCH4 LDA ,Y+ Else, get a character
0918 F769 39 RTS
0919 *
0920 * File is loaded, Jump to it
0921 *
0922 F76A 6E 9C 9B GOFLEX JMP [TADR,PCR] Jump to transfer address
0923
0924 *
0925 ** FLEX 9 IDE DISK DRIVERS
0926 *
0927 * Seek track and sector
0928 * A holds track number (0 - ??)
0929 * B holds sector number (1 - ??)
0930 * Sector numbers starts from 1
0931 * subtract 1 to start from sector 0 on CF
0932 *
0933 F76D 34 02 SEEK PSHS A
0934 F76F 4F CLRA
0935 F770 5A DECB
0936 F771 FD E1 06 STD CF_SECNUM
0937 F774 E6 E4 LDB ,S
0938 F776 FD E1 08 STD CF_CYLLO
0939 F779 E6 8C 90 LDB DRNUM,PCR
0940 F77C FD E1 0A STD CF_CYLHI
0941 F77F C6 01 LDB #$01
0942 F781 FD E1 04 STD CF_SECCNT
0943 F784 5F CLRB
0944 F785 35 82 PULS A,PC
0945 *
0946 * READ SECTORS FROM CF
0947 *
0948 *
0949 F787 8D E4 READ BSR SEEK
0950 F789 CC 00 20 LDD #CMDREAD ; IDE READ MULTIPLE
0951 F78C FD E1 0E STD CF_COMAND
0952 F78F 8D 17 BSR WTRDY
0953 *
0954 * READ LOOP
0955 *
0956 F791 34 20 PSHS Y
0957 F793 10 8E 01 00 LDY #256
0958 F797 8D 1E READ1 BSR WTDRQ
0959 F799 FC E1 00 LDD CF_DATA
0960 F79C E7 80 STB ,X+
0961 F79E 31 3F LEAY -1,Y
0962 F7A0 26 F5 BNE READ1
0963 F7A2 35 20 PULS Y
0964 *
0965 F7A4 8D 02 BSR WTRDY
0966 F7A6 5F CLRB
0967 F7A7 39 RTS
0968 *
0969 * WAIT UNTIL READY
0970 *
0971 F7A8 FC E1 0E WTRDY LDD CF_STATUS
0972 F7AB C5 80 BITB #BUSY
0973 F7AD 26 F9 BNE WTRDY
0974 F7AF FC E1 0E LDD CF_STATUS
0975 F7B2 C5 40 BITB #DRDY
0976 F7B4 27 F2 BEQ WTRDY
0977 F7B6 39 RTS
0978 *
0979 * WAIT FOR DATA REQUEST
0980 *
0981 F7B7 FC E1 0E WTDRQ LDD CF_STATUS
0982 F7BA C5 08 BITB #DRQ
0983 F7BC 27 F9 BEQ WTDRQ
0984 F7BE 39 RTS
0985 *
0004 END
0000 INCLUDE "sys09bug.asm"
0001 * NAM SYS09BUG12 SYSTEM09 MONITOR
0002 OPT l
sys09bug.asm page 3
0004 *
0005 * MONITOR PROGRAM FOR THE SOUTHWEST TECHNICAL
0006 * PRODUCTS MP-09 CPU BOARD AS COMMENTED BY....
0007 *
0008 * ALLEN CLARK WALLACE WATSON
0009 * 2502 REGAL OAKS LANE 4815 EAST 97th AVE.
0010 * LUTZ, FLA. 33549 TEMPLE TERRACE, FLA. 33617
0011 * PH. 813-977-0347 PH. 813-985-1359
0012 *
0013 * MODIFIED TO SBUG09 VER 1.8 BY: RANDY JARRETT
0014 * 2561 NANTUCKET DR APT. E
0015 * ATLANTA, GA 30345
0016 * PH. 404-320-1043
0017 *
0018 * MODIFIED TO SYS09BUG VER 1.0
0019 * FOR: SYSTEM09 FPGA SYSTEM
0020 * BY: JOHN KENT
0021 * DATE: 21ST NOVEMBER 2006
0022 * REMOVED: DISK BOOTS
0023 * MEMORY TEST
0024 * ADDED: ADM3A VDU DRIVER
0025 *
0026 * MODIFIED TO SYS09BUG VER 1.1
0027 * BY: JOHN KENT
0028 * DATE: 7TH JANUARY 2007
0029 * ADDED: 'U' USER EXTENTION COMMANDS AT $F000
0030 * CONDITIONAL ASSEMBLY OF FLOPPY BOOTS
0031 * AND REALTIME CLOCK
0032 *
0033 * MODIFIED TO SYS09BUG VER 1.2
0034 * BY: JOHN KENT
0035 * DATE: 21ST MAY 2007
0036 * ADDED: COMPACT FLASH BOOT TO FPGA VERSION
0037 * REMOVED PORT REDIRECTION ON PUNCH & LOAD
0038 *
0039 * Modified to SYS09BUG VER 1.3
0040 * BY: JOHN KENT
0041 * DATE: 8TH JAN 2008
0042 * ADDED: CONDITIONALS FOR SPARTAN3E STARTER BOARD
0043 * WITH ONLY 32K OF RAM
0044 *
0045 * Modified to SYS09BUG VER 1.4
0046 * BY: JOHN KENT
0047 * DATE: 3RD FEB 2008
0048 * ADDED: CONDITIONALS FOR XESS BOARD WITH IDE
0049 * SEPERATE CONDITIONAL FOR S3 STARTER AND B5-X300
0050 * 16 BIT IDE DISK BOOT STRAP ROUTINE
0051 *
0052 * Modified to SYS09BUG VER 1.5
0053 * BY: JOHN KENT
0054 * DATE: 7TH SEP 2008
0055 * ADDED: ADDED "B3-S2+" STRING
0056 *
0057 * Modified to SYS09BUG VER 1.6
0058 * BY: JOHN KENT
0059 * DATE: 2ND DEC 2008
0060 * ADDED: ADDED HARDWARE FLOW CONTROL
0061 *
0062 * CHANGED: SEPARARTED OPTIONS EQUATES AND BODY INTO SEPARATE FILES
0063 *
0064 * Modified to SYS09BUG VER 1.7
0065 * BY: JOHN KENT
0066 * DATE: 16TH OCT 2010
0067 * ADDED: "DE2-70" STRING
0068 *
0069 * *** COMMANDS ***
0070 *
0071 * CONTROL A = ALTER THE "A" ACCUMULATOR
0072 * CONTROL B = ALTER THE "B" ACCUMULATOR
0073 * CONTROL C = ALTER THE CONDITION CODE REGISTER
0074 * CONTROL D = ALTER THE DIRECT PAGE REGISTER
0075 * CONTROL P = ALTER THE PROGRAM COUNTER
0076 * CONTROL U = ALTER USER STACK POINTER
0077 * CONTROL X = ALTER "X" INDEX REGISTER
0078 * CONTROL Y = ALTER "Y" INDEX REGISTER
0079 * B hhhh = SET BREAKPOINT AT LOCATION $hhhh
0080 * D = 5.25" MINIFLOPPY BOOT
0081 * E ssss-eeee = EXAMINE MEMORY
0082 * FROM STARTING ADDRESS ssss
0083 * TO ENDING ADDRESS eeee.
0084 * G = CONTINUE EXECUTION FROM BREAKPOINT OR SWI
0085 * L = LOAD TAPE
0086 * M hhhh = EXAMINE AND CHANGE MEMORY LOCATION hhhh
0087 * P ssss-eeee = PUNCH TAPE, START ssss TO END eeee ADDR.
0088 * R = DISPLAY REGISTER CONTENTS
0089 * S = DISPLAY STACK FROM ssss TO $DFC0
0090 * U = 8" DMAF2 FLOPPY BOOT
0091 * U = USER EXTENSION COMMANDS AT $F000
0092 * X = REMOVE ALL BREAKPOINTS
0093 *
0094 *
0095 ***************************************************
0096 * SYS09BUG VARIABLE SPACE
0097 ***************************************************
0098 *
0099 DFC0 ORG MONRAM
0100 DFC0 STACK EQU * ; TOP OF INTERNAL STACK
0101 DFC0 NMI RMB 2 ; USER NMI VECTOR
0102 DFC2 SWI3 RMB 2 ; SOFTWARE INTERRUPT VECTOR #3
0103 DFC4 SWI2 RMB 2 ; SOFTWARE INTERRUPT VECTOR #2
0104 DFC6 FIRQ RMB 2 ; FAST INTERRUPT VECTOR
0105 DFC8 IRQ RMB 2 ; INTERRUPT VECTOR
0106 DFCA SWI RMB 2 ; SOFTWARE INTERRUPT VECTOR
0107 DFCC SVCVO RMB 2 ; SUPERVISOR CALL VECTOR ORGIN
0108 DFCE SVCVL RMB 2 ; SUPERVISOR CALL VECTOR LIMIT
0109 IFD DATOPT
0110 DFD0 LRARAM RMB 16 ; LRA ADDRESSES
0111 ENDIF DATOPT
0112 DFE0 CPORT RMB 2 ; RE-VECTORABLE CONTROL PORT
0113 DFE2 ECHO RMB 1 ; ECHO FLAG
0114 DFE3 BPTBL RMB 24 ; BREAKPOINT TABLE BASE ADDR
0115 IFD TRAOPT
0116 NMISAV RMB 2 ; NMI Jump Vector Backup
0117 TRACNT RMB 2 ; Trace Count
0118 ENDIF TRAOPT
0118 ENDIF TRAOPT
0119 IFD VDUOPT
0120 *
0121 **************************************************
0122 * VDU8 DISPLAY DRIVER VARIABLES *
0123 **************************************************
0124 *
0125 **** ALWAYS KEEP COLADX AND ROWADX TOGETHER ******
0126 DFFB COLADX RMB 1 ; CURSOR COLUMN
0127 DFFC ROWADX RMB 1 ; CURSOR ROW
0128 **************************************************
0129 *
0130 DFFD NEWROW RMB 1 ; NEW ROW TEMP FOR ESCAPE
0131 DFFE ESCFLG RMB 1 ; ESCAPE SEQUENCE ACTIVE
0132 ENDIF VDUOPT
0133 IFD DG640OPT
0134 *
0135 ***************************************************
0136 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
0137 ***************************************************
0138 *
0139 ***** ALWAYS KEEP THESE TWO BYTES TOGETHER *****
0140 COLADX RMB 1 ; CURSOR COLUMN
0141 ROWADX RMB 1 ; CURSOR ROW
0142 *************************************************
0143 CURSOR RMB 2 ; ABSOLUTE SCREEN ADDRESS
0144 NEWROW RMB 1 ; NEW ROW TEMP FOR ESCAPE
0145 ESCFLG RMB 1 ; ESCAPE SEQUENCE ACTIVE
0146 ENDIF DG640OPT
0146 ENDIF DG640OPT
0147 *
0148 *
0149 ***************************************************
0150 * START OF ROM *
0151 ***************************************************
0152 *
0153 F800 ORG MONROM
0154 F800 F8 14 FDB MONITOR
0155 F802 F8 61 FDB NEXTCMD
0156 F804 FC A1 FDB INCH
0157 F806 FC 9B FDB INCHE
0158 F808 FC C5 FDB INCHEK
0159 F80A FC E0 FDB OUTCH
0160 F80C FB 8F FDB PDATA
0161 F80E FB 1E FDB PCRLF
0162 F810 FB 1A FDB PSTRNG
0163 F812 FA 2E FDB LRA
0164 *
0165 IFD ADSOPT
0166 FDB PCHK ; CHECK FOR PRINTER INPUT
0167 FDB PINIZ ; INITIATE PRINTER
0168 FDB POUTCH ; OUTPUT CH. TO PRINTER
0169 FDB VINIZ
0170 FDB VOUTCH
0171 FDB ACINIZ
0172 FDB AOUTCH
0173 ENDIF ADSOPT
0173 ENDIF ADSOPT
0174 *
0175 * MONITOR
0176 *
0177 * VECTOR ADDRESS STRING IS.....
0178 * $F8A1-$F8A1-$F8A1-$F8A1-$F8A1-$FAB0-$FFFF-$FFFF
0179 *
0180 F814 8E FE 74 MONITOR LDX #RAMVEC ; POINT TO VECTOR ADDR. STRING
0181 F817 10 8E DF C0 LDY #STACK ; POINT TO RAM VECTOR LOCATION
0182 F81B C6 10 LDB #$10 ; BYTES TO MOVE = 16
0183 F81D A6 80 LOOPA LDA ,X+ ; GET VECTOR BYTE
0184 F81F A7 A0 STA ,Y+ ; PUT VECTORS IN RAM / $DFC0-$DFCF
0185 F821 5A DECB ; SUBTRACT 1 FROM NUMBER OF BYTES TO MOVE
0186 F822 26 F9 BNE LOOPA ; CONTINUE UNTIL ALL VECTORS MOVED
0187 *
0188 * CONTENTS FROM TO FUNCTION
0189 * $F8A1 $FE40 $DFC0 USER-V
0190 * $F8A1 $FE42 $DFC2 SWI3-V
0191 * $F8A1 $FE44 $DFC4 SWI2-V
0192 * $F8A1 $FE46 $DFC6 FIRQ-V
0193 * $F8A1 $FE48 $DFC8 IRQ-V
0194 * $FAB0 $FE4A $DFCA SWI-V
0195 * $FFFF $FE4C $DFCC SVC-VO
0196 * $FFFF $FE4E $DFCE SVC-VL
0197 *
0198 F824 8E E0 00 LDX #ACIAS
0199 F827 BF DF E0 STX CPORT ; STORE ADDR. IN RAM
0200 F82A 17 01 5B LBSR XBKPNT ; CLEAR OUTSTANDING BREAKPOINTS
0201 F82D C6 0C LDB #12 ; CLEAR 12 BYTES ON STACK
0202 F82F 6F E2 CLRSTK CLR ,-S
0203 F831 5A DECB
0204 F832 26 FB BNE CLRSTK
0205 F834 30 8C DD LEAX MONITOR,PCR ; SET PC TO SBUG-E ENTRY
0206 F837 AF 6A STX 10,S ; ON STACK
0207 F839 86 D0 LDA #$D0 ; PRESET CONDITION CODES ON STACK
0208 F83B A7 E4 STA ,S
0209 F83D 1F 43 TFR S,U
0210 F83F 17 04 B5 LBSR IOINIZ ; INITIALIZE CONTROL PORT
0211 F842 8E FE 84 LDX #MSG1 ; POINT TO MONITOR MESSAGE
0212 F845 17 03 47 LBSR PDATA ; PRINT MSG
0213 *
0214 IFD DATOPT
0215 F848 8E DF D0 LDX #LRARAM ; POINT TO LRA RAM STORAGE AREA
0216 F84B 4F CLRA START ; TOTAL AT ZERO
0217 F84C C6 0D LDB #13 ; TOTAL UP ALL ACTIVE RAM MEMORY
0218 F84E 6D 85 FNDREL TST B,X ; TEST FOR RAM AT NEXT LOC.
0219 F850 27 03 BEQ RELPAS ; IF NO RAM GO TO NEXT LOC.
0220 F852 8B 04 ADDA #4 ; ELSE ADD 4K TO TOTAL
0221 F854 19 DAA ; ADJ. TOTAL FOR DECIMAL
0222 F855 5A RELPAS DECB ; SUB. 1 FROM LOCS. TO TEST
0223 F856 2A F6 BPL FNDREL ; PRINT TOTAL OF RAM
0224 F858 17 04 0C LBSR OUT2H ; OUTPUT HEX BYTE AS ASCII
0225 F85B 8E FE A3 LDX #MSG2 ; POINT TO MSG 'K' CR/LF + 3 NULS
0226 F85E 17 03 2E LBSR PDATA ; PRINT MSG
0227 ENDIF DATOPT
0228 *
0229 IFD TRAOPT
0230 LBSR TRAINZ
0231 ENDIF TRAOPT
0231 ENDIF TRAOPT
0232 *
0233 ***** NEXTCMD *****
0234 *
0235 F861 8E FE AA NEXTCMD LDX #MSG3 ; POINT TO MSG ">"
0236 F864 17 02 B3 LBSR PSTRNG ; PRINT MSG
0237 F867 17 04 37 LBSR INCH ; GET ONE CHAR. FROM TERMINAL
0238 F86A 84 7F ANDA #$7F ; STRIP PARITY FROM CHAR.
0239 F86C 81 0D CMPA #$0D ; IS IT CARRIAGE RETURN ?
0240 F86E 27 F1 BEQ NEXTCMD ; IF CR THEN GET ANOTHER CHAR.
0241 F870 1F 89 TFR A,B ; PUT CHAR. IN "B" ACCUM.
0242 F872 81 20 CMPA #$20 ; IS IT CONTROL OR DATA CHAR ?
0243 F874 2C 09 BGE PRTCMD ; IF CMD CHAR IS DATA, PRNT IT
0244 F876 86 5E LDA #'^ ; ELSE CNTRL CHAR CMD SO...
0245 F878 17 04 65 LBSR OUTCH ; PRINT "^"
0246 F87B 1F 98 TFR B,A ; RECALL CNTRL CMD CHAR
0247 F87D 8B 40 ADDA #$40 ; CONVERT IT TO ASCII LETTER
0248 F87F 17 04 5E PRTCMD LBSR OUTCH ; PRNT CMD CHAR
0249 F882 17 04 59 LBSR OUT1S ; PRNT SPACE
0250 F885 C1 60 CMPB #$60
0251 F887 2F 02 BLE NXTCH0
0252 F889 C0 20 SUBB #$20
0253 *
0254 ***** DO TABLE LOOKUP *****
0255 * FOR COMMAND FUNCTIONS
0256 *
0257 F88B 8E FE 3B NXTCH0 LDX #JMPTAB ; POINT TO JUMP TABLE
0258 F88E E1 80 NXTCHR CMPB ,X+ ; DOES COMMAND MATCH TABLE ENTRY ?
0259 F890 27 0F BEQ JMPCMD ; BRANCH IF MATCH FOUND
0260 F892 30 02 LEAX 2,X ; POINT TO NEXT ENTRY IN TABLE
0261 F894 8C FE 74 CMPX #TABEND ; REACHED END OF TABLE YET ?
0262 F897 26 F5 BNE NXTCHR ; IF NOT END, CHECK NEXT ENTRY
0263 F899 8E FE AC LDX #MSG4 ; POINT TO MSG "WHAT?"
0264 F89C 17 02 F0 LBSR PDATA ; PRINT MSG
0265 F89F 20 C0 BRA NEXTCMD ; IF NO MATCH, PRMPT FOR NEW CMD
0266 F8A1 AD 94 JMPCMD JSR [,X] ; JUMP TO COMMAND ROUTINE
0267 F8A3 20 BC BRA NEXTCMD ; PROMPT FOR NEW COMMAND
0268 *
0269 * "G" GO OR CONTINUE
0270 *
0271 F8A5 1F 34 GO TFR U,S
0272 F8A7 3B RTI RTI
0273 *
0274 ***** "M" MEMORY EXAMINE AND CHANGE *****
0275 *
0276 F8A8 17 03 6B MEMCHG LBSR IN1ADR ; INPUT ADDRESS
0277 F8AB 29 2D BVS CHRTN ; IF NOT HEX, RETURN
0278 F8AD 1F 12 TFR X,Y ; SAVE ADDR IN "Y"
0279 F8AF 8E FE B2 MEMC2 LDX #MSG5 ; POINT TO MSG " - "
0280 F8B2 17 02 65 LBSR PSTRNG ; PRINT MSG
0281 F8B5 1F 21 TFR Y,X ; FETCH ADDRESS
0282 F8B7 17 03 A5 LBSR OUT4H ; PRINT ADDR IN HEX
0283 F8BA 17 04 21 LBSR OUT1S ; OUTPUT SPACE
0284 F8BD A6 A4 LDA ,Y ; GET CONTENTS OF CURRENT ADDR.
0285 F8BF 17 03 A5 LBSR OUT2H ; OUTPUT CONTENTS IN ASCII
0286 F8C2 17 04 19 LBSR OUT1S ; OUTPUT SPACE
0287 F8C5 17 03 5E LBSR BYTE ; LOOP WAITING FOR OPERATOR INPUT
0288 F8C8 28 11 BVC CHANGE ; IF VALID HEX GO CHANGE MEM. LOC.
0289 F8CA 81 08 CMPA #8 ; IS IT A BACKSPACE (CNTRL H)?
0290 F8CC 27 E1 BEQ MEMC2 ; PROMPT OPERATOR AGAIN
0291 F8CE 81 18 CMPA #$18 ; IS IT A CANCEL (CNTRL X)?
0292 F8D0 27 DD BEQ MEMC2 ; PROMPT OPERATOR AGAIN
0293 F8D2 81 5E CMPA #'^ ; IS IT AN UP ARROW?
0294 F8D4 27 17 BEQ BACK ; DISPLAY PREVIOUS BYTE
0295 F8D6 81 0D CMPA #$D ; IS IT A CR?
0296 F8D8 26 0F BNE FORWRD ; DISPLAY NEXT BYTE
0297 F8DA 39 CHRTN RTS ; EXIT ROUTINE
0298 *
0299 *
0300 F8DB A7 A4 CHANGE STA ,Y ; CHANGE BYTE IN MEMORY
0301 F8DD A1 A4 CMPA ,Y ; DID MEMORY BYTE CHANGE?
0302 F8DF 27 08 BEQ FORWRD ; $F972
0303 F8E1 17 03 FA LBSR OUT1S ; OUTPUT SPACE
0304 F8E4 86 3F LDA #'? ; LOAD QUESTION MARK
0305 F8E6 17 03 F7 LBSR OUTCH ; PRINT IT
0306 F8E9 31 21 FORWRD LEAY 1,Y ; POINT TO NEXT HIGHER MEM LOCATION
0307 F8EB 20 C2 BRA MEMC2 ; PRINT LOCATION & CONTENTS
0308 F8ED 31 3F BACK LEAY -1,Y ; POINT TO LAST MEM LOCATION
0309 F8EF 20 BE BRA MEMC2 ; PRINT LOCATION & CONTENTS
0310 *
0311 * "S" DISPLAY STACK
0312 * HEX-ASCII DISPLAY OF CURRENT STACK CONTENTS FROM
0313 ** CURRENT STACK POINTER TO INTERNAL STACK LIMIT.
0314 *
0315 F8F1 17 02 A2 DISSTK LBSR PRTSP ; PRINT CURRENT STACK POINTER
0316 F8F4 1F 32 TFR U,Y
0317 F8F6 8E DF C0 LDX #STACK ; LOAD INTERNAL STACK AS UPPER LIMIT
0318 F8F9 30 1F LEAX -1,X ; POINT TO CURRENT STACK
0319 F8FB 20 05 BRA MDUMP1 ; ENTER MEMORY DUMP OF STACK CONTENTS
0320 *
0321 * "E" DUMP MEMORY FOR EXAMINE IN HEX AND ASCII
0322 * AFTER CALLING 'IN2ADR' LOWER ADDRESS IN Y-REG.
0323 * UPPER ADDRESS IN X-REG.
0324 * IF HEX ADDRESSES ARE INVALID (V)=1.
0325 *
0326 F8FD 17 03 0B MEMDUMP LBSR IN2ADR ; INPUT ADDRESS BOUNDRIES
0327 F900 29 06 BVS EDPRTN ; NEW COMMAND IF ILLEGAL HEX
0328 F902 34 20 MDUMP1 PSHS Y ; COMPARE LOWER TO UPPER BOUNDS
0329 F904 AC E1 CMPX ,S++ ; LOWER BOUNDS > UPPER BOUNDS?
0330 F906 24 01 BCC AJDUMP ; IF NOT, DUMP HEX AND ASCII
0331 F908 39 EDPRTN RTS ;
0332 *
0333 * ADJUST LOWER AND UPPER ADDRESS LIMITS
0334 * TO EVEN 16 BYTE BOUNDRIES.
0335 *
0336 * IF LOWER ADDR = $4532
0337 * LOWER BOUNDS WILL BE ADJUSTED TO = $4530.
0338 *
0339 * IF UPPER ADDR = $4567
0340 * UPPER BOUNDS WILL BE ADJUSTED TO = $4570.
0341 *
0342 * ENTER WITH LOWER ADDRESS IN X-REG.
0343 * -UPPER ADDRESS ON TOP OF STACK.
0344 *
0345 F909 1F 10 AJDUMP TFR X,D ; GET UPPER ADDR IN D-REG
0346 F90B C3 00 10 ADDD #$10 ; ADD 16 TO UPPER ADDRESS
0347 F90E C4 F0 ANDB #$F0 ; MASK TO EVEN 16 BYTE BOUNDRY
0348 F910 34 06 PSHS A,B ; SAVE ON STACK AS UPPER DUMP LIMIT
0349 F912 1F 20 TFR Y,D ; $F9A5 GET LOWER ADDRESS IN D-REG
0350 F914 C4 F0 ANDB #$F0 ; MASK TO EVEN 16 BYTE BOUNDRY
0351 F916 1F 01 TFR D,X ; PUT IN X-REG AS LOWER DUMP LIMIT
0352 F918 AC E4 NXTLIN CMPX ,S ; COMPARE LOWER TO UPPER LIMIT
0353 F91A 27 05 BEQ SKPDMP ; IF EQUAL SKIP HEX-ASCII DUMP
0354 F91C 17 03 A6 LBSR INCHEK ; CHECK FOR INPUT FROM KEYBOARD
0355 F91F 27 03 BEQ EDUMP
0356 F921 32 62 SKPDMP LEAS 2,S ; READJUST STACK IF NOT DUMPING
0357 F923 39 RTS ;
0358 *
0359 * PRINT 16 HEX BYTES FOLLOWED BY 16 ASCII CHARACTERS
0360 * FOR EACH LINE THROUGHOUT ADDRESS LIMITS.
0361 *
0362 F924 34 10 EDUMP PSHS X ; PUSH LOWER ADDR LIMIT ON STACK
0363 F926 8E FE B2 LDX #MSG5 ; POINT TO MSG " - "
0364 F929 17 01 EE LBSR PSTRNG ; PRINT MSG
0365 F92C AE E4 LDX ,S ; LOAD LOWER ADDR FROM TOP OF STACK
0366 F92E 17 03 2E LBSR OUT4H ; PRINT THE ADDRESS
0367 F931 17 03 A8 LBSR OUT2S ; 2 SPACES
0368 F934 C6 10 LDB #$10 ; LOAD COUNT OF 16 BYTES TO DUMP
0369 F936 A6 80 ELOOP LDA ,X+ ; GET FROM MEMORY HEX BYTE TO PRINT
0370 F938 17 03 2C LBSR OUT2H ; OUTPUT HEX BYTE AS ASCII
0371 F93B 17 03 A0 LBSR OUT1S ; OUTPUT SPACE
0372 F93E 5A DECB ; $F9D1 DECREMENT BYTE COUNT
0373 F93F 26 F5 BNE ELOOP ; CONTINUE TIL 16 HEX BYTES PRINTED
0374 *
0375 * PRINT 16 ASCII CHARACTERS
0376 * IF NOT PRINTABLE OR NOT VALID
0377 * ASCII PRINT A PERIOD (.)
0378 F941 17 03 98 LBSR OUT2S ; 2 SPACES
0379 F944 AE E1 LDX ,S++ ; GET LOW LIMIT FRM STACK - ADJ STACK
0380 F946 C6 10 LDB #$10 ; SET ASCII CHAR TO PRINT = 16
0381 F948 A6 80 EDPASC LDA ,X+ ; GET CHARACTER FROM MEMORY
0382 F94A 81 20 CMPA #$20 ; IF LESS THAN $20, NON-PRINTABLE?
0383 F94C 25 04 BCS PERIOD ; IF SO, PRINT PERIOD INSTEAD
0384 F94E 81 7E CMPA #$7E ; IS IT VALID ASCII?
0385 F950 23 02 BLS PRASC ; IF SO PRINT IT
0386 F952 86 2E PERIOD LDA #'. ; LOAD A PERIOD (.)
0387 F954 17 03 89 PRASC LBSR OUTCH ; PRINT ASCII CHARACTER
0388 F957 5A DECB ; DECREMENT COUNT
0389 F958 26 EE BNE EDPASC
0390 F95A 20 BC BRA NXTLIN
0391 *
0392 ***** "B" SET BREAKPOINT *****
0393 *
0394 F95C 17 02 B7 BRKPNT LBSR IN1ADR ; GET BREAKPOINT ADDRESS
0395 F95F 29 1E BVS EXITBP ; EXIT IF INVALID HEX ADDR.
0396 F961 8C DF C0 CMPX #STACK ; ADDRESS ILLEGAL IF >=$DFC0
0397 F964 24 1A BCC BPERR ; IF ERROR PRINT (?), EXIT
0398 F966 34 10 PSHS X ; $FA82 PUSH BP ADDRESS ON STACK
0399 F968 8E FF FF LDX #$FFFF ; LOAD DUMMY ADDR TO TEST BP TABLE
0400 F96B 8D 55 BSR BPTEST ; TEST BP TABLE FOR FREE SPACE
0401 F96D 35 10 PULS X ; POP BP ADDRESS FROM STACK
0402 F96F 27 0F BEQ BPERR ; (Z) SET, OUT OF BP TABLE SPACE
0403 F971 A6 84 LDA ,X ; GET DATA AT BREAKPOINT ADDRESS
0404 F973 81 3F CMPA #$3F ; IS IT A SWI?
0405 F975 27 09 BEQ BPERR ; IF SWI ALREADY, INDICATE ERROR
0406 F977 A7 A0 STA ,Y+ ; SAVE DATA BYTE IN BP TABLE
0407 F979 AF A4 STX ,Y ; SAVE BP ADDRESS IN BP TABLE
0408 F97B 86 3F LDA #$3F ; LOAD A SWI ($3F)
0409 F97D A7 84 STA ,X ; SAVE SWI AT BREAKPOINT ADDRESS
0410 F97F 39 EXITBP RTS ;
0411 *
0412 * INDICATE ERROR SETTING BREAKPOINT
0413 *
0414 F980 17 03 5B BPERR LBSR OUT1S ; OUTPUT SPACE
0415 F983 86 3F LDA #'? ; LOAD (?), INDICATE BREAKPOINT ERROR
0416 F985 16 03 58 LBRA OUTCH ; PRINT "?"
0417 *
0418 *** "X" CLEAR OUTSTANDING BREAKPOINTS ***
0419 *
0420 F988 10 8E DF E3 XBKPNT LDY #BPTBL ; POINT TO BREAKPOINT TABLE
0421 F98C C6 08 LDB #8 ; LOAD BREAKPOINT COUNTER
0422 F98E 8D 18 XBPLP BSR RPLSWI ; REMOVE USED ENTRY IN BP TABLE
0423 F990 5A DECB $FAAC ; DECREMENT BP COUNTER
0424 F991 26 FB BNE XBPLP ; END OF BREAKPOINT TABLE?
0425 F993 39 RTS
0426 *
0427 ***** SWI ENTRY POINT *****
0428 *
0429 F994 1F 43 SWIE TFR S,U ; TRANSFER STACK TO USER POINTER
0430 F996 AE 4A LDX 10,U ; LOAD PC FROM STACK INTO X-REG
0431 F998 30 1F LEAX -1,X ; ADJUST ADDR DOWN 1 BYTE.
0432 F99A 8D 26 BSR BPTEST ; FIND BREAKPOINT IN BP TABLE
0433 F99C 27 04 BEQ REGPR ; IF FOUND, REPLACE DATA AT BP ADDR
0434 F99E AF 4A STX 10,U ; SAVE BREAKPOINT ADDR IN STACK
0435 F9A0 8D 06 BSR RPLSWI ; GO REPLACE SWI WITH ORIGINAL DATA
0436 F9A2 17 02 48 REGPR LBSR REGSTR ; GO PRINT REGISTERS
0437 *
0438 IFD TRAOPT
0439 LDX #0
0440 STX TRACNT
0441 ENDIF TRAOPT
0441 ENDIF TRAOPT
0442 *
0443 F9A5 16 FE B9 LBRA NEXTCMD ; GET NEXT COMMAND
0444 *
0445 F9A8 AE 21 RPLSWI LDX 1,Y ; LOAD BP ADDRESS FROM BP TABLE
0446 F9AA 8C DF C0 CMPX #STACK ; COMPARE TO TOP AVAILABLE USER MEMORY
0447 F9AD 24 0A BCC FFSTBL ; GO RESET TABLE ENTRY TO $FF'S
0448 F9AF A6 84 LDA ,X ; GET DATA FROM BP ADDRESS
0449 F9B1 81 3F CMPA #$3F ; IS IT SWI?
0450 F9B3 26 04 BNE FFSTBL ; IF NOT, RESET TABLE ENTRY TO $FF'S
0451 F9B5 A6 A4 LDA ,Y ; GET ORIGINAL DATA FROM BP TABLE
0452 F9B7 A7 84 STA ,X ; $FAD3 RESTORE DATA AT BP ADDRESS
0453 F9B9 86 FF FFSTBL LDA #$FF ; LOAD $FF IN A-ACC
0454 F9BB A7 A0 STA ,Y+ ; RESET BREAKPOINT TABLE DATA TO $FF'S
0455 F9BD A7 A0 STA ,Y+ ; RESET BREAKPOINT TABLE ADDR TO $FF'S
0456 F9BF A7 A0 STA ,Y+
0457 F9C1 39 RTS
0458 *
0459 ** SEARCH BREAKPOINT TABLE FOR MATCH **
0460 *
0461 F9C2 10 8E DF E3 BPTEST LDY #BPTBL ; POINT TO BREAKPOINT TABLE
0462 F9C6 C6 08 LDB #8 ; LOAD BREAKPOINT COUNTER
0463 F9C8 A6 A0 FNDBP LDA ,Y+ ; LOAD DATA BYTE
0464 F9CA AC A1 CMPX ,Y++ ; COMPARE ADDRESS, IS IT SAME?
0465 F9CC 27 04 BEQ BPADJ ; IF SO, ADJUST POINTER FOR TABLE ENTRY
0466 F9CE 5A DECB ; IF NOT, DECREMENT BREAKPOINT COUNTER
0467 F9CF 26 F7 BNE FNDBP ; AND LOOK FOR NEXT POSSIBLE MATCH
0468 F9D1 39 RTS ;
0469 *
0470 *
0471 F9D2 31 3D BPADJ LEAY -3,Y ; MOVE POINTER TO BEGIN OF BP ENTRY
0472 F9D4 39 RTS
0473 *
0474 IFD TRAOPT
0475 *
0476 ** TRACE from address AAAA BB bytes
0477 *
0478 TRACE LBSR ALTPC1 ; SET UP NEW PC
0479 BVS TREXIT ; ADDRESS ERROR, EXIT
0480 LBSR OUT1S
0481 LBSR IN1ADR ; Fetch Byte Count
0482 BVS TREXIT ; Byte Count error, EXIT
0483 STX TRACNT
0484 *
0485 LDX NMI ; Save NMI Vector
0486 STX NMISAV
0487 LDX #NMIE ; Set up NMI for Tracing
0488 STX NMI
0489 LBSR TRAINZ ; Initialise Hardware
0490 BRA TRACEG ; Start Trace
0491 TREXIT RTS
0492 *
0493 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
0494 * CRA1 = 1 CA1 Rising edge IRQ
0495 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
0496 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
0497 * CRA4 = 1 ] CA2 = Set/Reset output
0498 * CRA5 = 1 ]
0499 * CRA6 = X CA2 Input Interrupt Flag
0500 * CRA7 = X CA1 Interrupt Flag
0501 *
0502 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
0503 * CRB1 = 1 CB1 Rising edge IRQ
0504 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
0505 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
0506 * CRB4 = 1 ] CB2 = Set/Reset output
0507 * CRB5 = 1 ]
0508 * CRB6 = X CB2 Input Interrupt Flag
0509 * CRB7 = X CB1 Interrupt Flag
0510 *
0511 *
0512 ** TRACE NMI ENTRY POINT
0513 *
0514 NMIE TFR S,U
0515 LDA #$36 ; Disable Interrupt, CA2 Low
0516 STA TACTRL
0517 LDA TADATA ; Clear Interrupt flag by reading data port
0518 *
0519 LBSR REGSTR ; DUMP REGISTERS
0520 *
0521 LDX 10,U ; TEST IF NEXT INSTRUCTION IS A SWI
0522 LDA ,X
0523 CMPA #$3F
0524 BEQ TRACEX ; EXIT ON SWI
0525 *
0526 LDX TRACNT ; CHECK IF TRACE COUNT EXPIRED
0527 BEQ TRACEX ; YES, GO BACK TO THE MONITOR
0528 LEAX -1,X ; ECREMENT TRACE COUNT
0529 STX TRACNT
0530 *
0531 ** TRACE GO (RESUME SINGLE STEP)
0532 *
0533 TRACEG TFR U,S ; SET UP PROGRAM STACK POINTER
0534 LDA #TRADEL ; SET UP TIMER DELAY (NUMB CYCLES FOR RTI+1)
0535 STA TADATA
0536 LDA #$36 ; LOAD STROBE LOW
0537 STA TACTRL
0538 LDA TADATA ; CLEAR INTERRUPT
0539 LDA #$36 ; RELEASE RESET
0540 STA TBCTRL
0541 LDA #$3F ; RELEASE LOAD, ENABLE CA1 NMI, CA1 RISING EDGE
0542 STA TACTRL
0543 RTI ; GO EXECUTE INSTRUCTION
0544 *
0545 TRACEX LDX NMISAV ; Restore NMI vector
0546 STX NMI
0547 LBRA NEXTCMD ; Jump back to the command loop.
0548 *
0549 ** TRACE HARDWARE INITIALISATION
0550 *
0551 TRAINZ LDA #$32 ; SELECT DDRA, CA2 LOW, NMI DISABLED
0552 STA TACTRL
0553 LDA #$3A ; SELECT DDRB, CB2 HIGH, FIRQ DISABLED
0554 STA TBCTRL
0555 LDA #$FF ; PORTA = OUTPUT
0556 STA TADATA
0557 LDA #$00 ; PORTB = INPUT
0558 STA TBDATA
0559 LDA #$36 ; SELECT OUTPUT REGISTER A, CA2 LOW
0560 STA TACTRL
0561 LDA #$3E ; SELECT OUTPUT REGISTER B, CB2 HIGH
0562 STA TBCTRL
0563 RTS
0564 *
0565 ENDIF TRAOPT
0565 ENDIF TRAOPT
0566 IFD MFDCOPT
0567 *
0568 ** "U" MINI DISK BOOT
0569 *
0570 MINBOOT TST CMDFDC
0571 CLR DRVFDC
0572 LDX #$0000
0573 LOOP LEAX $01,X
0574 CMPX #$0000
0575 BNE LOOP
0576 LDA #$0F
0577 STA CMDFDC
0578 BSR DELAY
0579 LOOP1 LDB CMDFDC
0580 BITB #$01
0581 BNE LOOP1
0582 LDA #$01
0583 STA SECFDC
0584 BSR DELAY
0585 LDA #$8C
0586 STA CMDFDC
0587 BSR DELAY
0588 LDX #$C000
0589 BRA LOOP3
0590 LOOP2 BITB #$02
0591 BEQ LOOP3
0592 LDA DATFDC
0593 STA ,X+
0594 LOOP3 LDB CMDFDC
0595 BITB #$01
0596 BNE LOOP2
0597 BITB #$2C
0598 BEQ LOOP4
0599 RTS
0600 *
0601 LOOP4 LDX #$C000
0602 STX $0A,U
0603 TFR U,S
0604 RTI
0605 *
0606 DELAY LDB #$04
0607 LOOP5 DECB
0608 BNE LOOP5
0609 RTS
0610 ENDIF MFDCOPT
0610 ENDIF MFDCOPT
0611 *
0612 IFD DMAFOPT
0613 *
0614 *** "D" DISK BOOT FOR DMAF2 ***
0615 *
0616 DBOOT LDA #$DE
0617 STA DRVREG
0618 LDA #$FF
0619 STA PRIREG ; $FAF8
0620 STA CCREG
0621 STA AAAREG
0622 STA BBBREG
0623 TST CCREG
0624 LDA #$D8
0625 STA COMREG
0626 LBSR DLY
0627 DBOOT0 LDA COMREG
0628 BMI DBOOT0
0629 LDA #$09
0630 STA COMREG
0631 LBSR DLY
0632 *
0633 DISKWT LDA COMREG ; FETCH DRIVE STATUS
0634 BITA #1 ; TEST BUSY BIT
0635 BNE DISKWT ; LOOP UNTIL NOT BUSY
0636 *
0637 BITA #$10
0638 BNE DBOOT
0639 *
0640 LDX #$C000 ; LOGICAL ADDR. = $C000
0641 BSR LRA ; GET 20 BIT PHYSICAL ADDR. OF LOG. ADDR.
0642 ORA #$10
0643 STA CCCREG
0644 TFR X,D
0645 COMA ;
0646 COMB ;
0647 STD ADDREG
0648 LDX #$FEFF ; LOAD DMA BYTE COUNT = $100
0649 STX CNTREG ; STORE IN COUNT REGISTER
0650 LDA #$FF ; LOAD THE CHANNEL REGISTER
0651 STA CCREG
0652 LDA #$FE ; SET CHANNEL 0
0653 STA PRIREG
0654 LDA #1 ; SET SECTOR TO "1"
0655 STA SECREG ; ISSUE COMMAND
0656 LDA #$8C ; SET SINGLE SECTOR READ
0657 STA COMREG ; ISSUE COMMAND
0658 BSR DLY
0659 *
0660 * THE FOLLOWING CODE TESTS THE STATUS OF THE
0661 * CHANNEL CONTROL REGISTER. IF "D7" IS NOT
0662 * ZERO THEN IT WILL LOOP WAITING FOR "D7"
0663 * TO GO TO ZERO. IF AFTER 65,536 TRIES IT
0664 * IS STILL A ONE THE BOOT OPERATION WILL
0665 * BE STARTED OVER FROM THE BEGINING.
0666 *
0667 CLRB ;
0668 DBOOT1 PSHS B ; $FB55
0669 CLRB ;
0670 DBOOT2 TST CCREG
0671 BPL DBOOT3
0672 DECB ;
0673 BNE DBOOT2
0674 PULS B
0675 DECB
0676 BNE DBOOT1
0677 BRA DBOOT
0678 DBOOT3 PULS B
0679 LDA COMREG
0680 BITA #$1C
0681 BEQ DBOOT4
0682 RTS ;
0683 *
0684 *
0685 DBOOT4 LDB #$DE
0686 STB DRVREG
0687 LDX #$C000
0688 STX 10,U
0689 TFR U,S ; $FB7B
0690 RTI ;
0691 ENDIF DMAFOPT
0691 ENDIF DMAFOPT
0692 *
0693 IFD CF8OPT
0694 *
0695 * COMPACT FLASH BOOT
0696 *
0697 CFBOOT BSR WAITRDY
0698 LDA #HEADLBA
0699 STA CF_HEAD
0700 BSR WAITRDY
0701 LDA #FEAT8BIT
0702 STA CF_FEATURE
0703 LDA #CMDFEATURE
0704 STA CF_COMAND
0705 BSR WAITRDY
0706 *
0707 * READ SECTORS FROM CF
0708 *
0709 CFREAD LDA #$01
0710 STA CF_SECCNT
0711 CLRA
0712 STA CF_SECNUM
0713 STA CF_CYLLO
0714 STA CF_CYLHI
0715 *
0716 LDA #CMDREAD ; IDE READ MULTIPLE
0717 STA CF_COMAND
0718 BSR WAITRDY
0719 LDX #$C000
0720 *
0721 * READ LOOP
0722 *
0723 RDLOOP BSR WAITDRQ
0724 LDA CF_DATA
0725 STA ,X+
0726 CMPX #$C200
0727 BNE RDLOOP
0728 *
0729 LDX #$C000
0730 STX $0A,U
0731 TFR U,S
0732 RTI
0733 *
0734 * WAIT UNTIL READY
0735 *
0736 WAITRDY LDA CF_STATUS
0737 BITA #BUSY
0738 BNE WAITRDY
0739 LDA CF_STATUS
0740 BITA #DRDY
0741 BEQ WAITRDY
0742 RTS
0743 *
0744 * WAIT FOR DATA REQUEST
0745 *
0746 WAITDRQ LDA CF_STATUS
0747 BITA #DRQ
0748 BEQ WAITDRQ
0749 RTS
0750 ENDIF CF8OPT
0750 ENDIF CF8OPT
0751 *
0752 IFD IDEOPT
0753 *
0754 * XESS 16 BIT IDE BOOT
0755 *
0756 F9D5 CC 00 06 IDEBOOT LDD #AUXRESET
0757 F9D8 FD E1 1E STD CF_AUX
0758 F9DB CC 00 02 LDD #AUXRSTREL
0759 F9DE FD E1 1E STD CF_AUX
0760 F9E1 CC 00 E0 LDD #HEADLBA
0761 F9E4 FD E1 0C STD CF_HEAD
0762 F9E7 8D 2E BSR WAITRDY
0763 *
0764 * READ SECTORS FROM CF
0765 *
0766 F9E9 CC 00 01 LDD #$01
0767 F9EC FD E1 04 STD CF_SECCNT
0768 F9EF 5F CLRB
0769 F9F0 FD E1 06 STD CF_SECNUM
0770 F9F3 FD E1 08 STD CF_CYLLO
0771 F9F6 FD E1 0A STD CF_CYLHI
0772 *
0773 F9F9 C6 20 LDB #CMDREAD ; IDE READ MULTIPLE
0774 F9FB FD E1 0E STD CF_COMAND
0775 F9FE 8D 17 BSR WAITRDY
0776 FA00 8E C0 00 LDX #$C000
0777 *
0778 * READ LOOP
0779 *
0780 FA03 8D 21 RDLOOP BSR WAITDRQ
0781 FA05 FC E1 00 LDD CF_DATA
0782 FA08 E7 80 STB ,X+
0783 FA0A 8C C1 00 CMPX #$C100
0784 FA0D 26 F4 BNE RDLOOP
0785 *
0786 FA0F 8E C0 00 LDX #$C000
0787 FA12 AF 4A STX $0A,U
0788 FA14 1F 34 TFR U,S
0789 FA16 3B RTI
0790 *
0791 * WAIT UNTIL READY
0792 *
0793 FA17 FC E1 0E WAITRDY LDD CF_STATUS
0794 FA1A C5 80 BITB #BUSY
0795 FA1C 26 F9 BNE WAITRDY
0796 FA1E FC E1 0E LDD CF_STATUS
0797 FA21 C5 40 BITB #DRDY
0798 FA23 27 F2 BEQ WAITRDY
0799 FA25 39 RTS
0800 *
0801 * WAIT FOR DATA REQUEST
0802 *
0803 FA26 FC E1 0E WAITDRQ LDD CF_STATUS
0804 FA29 C5 08 BITB #DRQ
0805 FA2B 27 F9 BEQ WAITDRQ
0806 FA2D 39 RTS
0807 ENDIF IDEOPT
0808 *
0809 IFD RTCOPT
0810 *
0811 * CLOCK INTER FACE UTILITY
0812 *
0813 * TIME <Hours> <Minuits> <Seconds>
0814 * If no argument is specified, the current time
0815 * will be displayed.
0816 *
0817 * READ A REGISTER FROM THE COUNTER.
0818 * The X Index rgister points to the register
0819 * to be read. The Status Register is checked
0820 * before and after the register is read before
0821 * returning a value in accumulator A
0822 *
0823 RDCLK TST CLKSTA
0824 BNE RDCLK
0825 RDCLK1 LDA 0,X
0826 TST CLKSTA
0827 BNE RDCLK1
0828 RTS
0829 *
0830 * MAIN PROGRAM:
0831 *
0832 TIMSET LDX #COUNTR ; POINT TO TIMER
0833 LBSR BYTE ; READ HOURS
0834 BVS SHOWTM ; NO ARG, DISP TIME
0835 STA HOUR,X
0836 LBSR OUT1S
0837 LBSR BYTE ; READ MINUITES
0838 BVS SHOWTM
0839 STA MINUIT,X
0840 LBSR OUT1S
0841 LBSR BYTE ; SECONDS.
0842 BVS SHOWTM
0843 STA SECOND,X
0844 *
0845 * DISPLAY CURRENT TIME
0846 *
0847 SHOWTM LBSR PCRLF
0848 LDX #COUNTR+HOUR
0849 LDB #3
0850 SHOWLP BSR RDCLK
0851 LBSR OUT2H
0852 LDA #':
0853 LBSR OUTCH
0854 LEAX -1,X
0855 DECB
0856 BNE SHOWLP
0857 RTS
0858 *
0859 * INITIATE CLOCK.
0860 * MASK INTERRUPTS.
0861 *
0862 CLKINZ CLR CINTCR ; MASK ALL INTERRUPTS
0863 TST CINTSR ; CLEAR ANY INTERRUPTS
0864 RTS
0865 ENDIF RTCOPT
0865 ENDIF RTCOPT
0866 IFD DATOPT
0867 *
0868 ***** LRA LOAD REAL ADDRESS *****
0869 *
0870 * THE FOLLOWING CODE LOADS THE 20-BIT
0871 * PHYSICAL ADDRESS OF A MEMORY BYTE
0872 * INTO THE "A" AND "X" REGISTERS. THIS
0873 * ROUTINE IS ENTERED WITH THE LOGICAL
0874 * ADDRESS OF A MEMORY BYTE IN THE "IX"
0875 * REGISTER. EXIT IS MADE WITH THE HIGH-
0876 * ORDER FOUR BITS OF THE 20-BIT PHYSICAL
0877 * ADDRESS IN THE "A" REGISTER, AND THE
0878 * LOW-ORDER 16-BITS OF THE 20-BIT
0879 * PHYSICAL ADDRESS IN THE "IX" REGISTER.
0880 * ALL OTHER REGISTERS ARE PRESERVED.
0881 * THIS ROUTINE IS REQUIRED SINCE THE
0882 * DMAF1 AND DMAF2 DISK CONTROLLERS MUST
0883 * PRESENT PHYSICAL ADDRESSES ON THE
0884 * SYSTEM BUS.
0885 *
0886 FA2E 34 36 LRA PSHS A,B,X,Y ; PUSH REGISTERS ON STACK
0887 FA30 A6 62 LDA 2,S ; GET MSB LOGICAL ADDR FRM X REG ON STACK
0888 FA32 44 LSRA ;
0889 FA33 44 LSRA ; ADJ FOR INDEXED INTO
0890 FA34 44 LSRA ; CORRESPONDING LOCATION
0891 FA35 44 LSRA ; IN LRA TABLE
0892 FA36 10 8E DF D0 LDY #LRARAM ; LOAD LRA TABLE BASE ADDRESS
0893 FA3A E6 A6 LDB A,Y ; GET PHYSICAL ADDR. DATA FROM LRA TABLE
0894 FA3C 54 LSRB ; ADJ. REAL ADDR. TO REFLECT EXTENDED
0895 FA3D 54 LSRB ; PHYSICAL ADDRESS.
0896 FA3E 54 LSRB ; EXTENDED MS 4-BITS ARE RETURNED
0897 FA3F 54 LSRB ; IN THE "A" ACCUMULATOR
0898 FA40 E7 E4 STB ,S ; MS 4 BITS IN A ACCUM. STORED ON STACK
0899 FA42 E6 A6 LDB A,Y ; LOAD REAL ADDRESS DATA FROM LRA TABLE
0900 FA44 53 COMB ; COMP TO ADJ FOR PHYSICAL ADDR. IN X REG
0901 FA45 58 ASLB ; ADJ DATA FOR RELOCATION IN X REG
0902 FA46 58 ASLB ;
0903 FA47 58 ASLB ; $FB97
0904 FA48 58 ASLB ;
0905 FA49 A6 62 LDA 2,S ; GET MS BYTE OF LOGICAL ADDR.
0906 FA4B 84 0F ANDA #$0F ; MASK MS NIBBLE OF LOGICAL ADDRESS
0907 FA4D A7 62 STA 2,S ; SAVE IT IN X REG ON STACK
0908 FA4F EA 62 ORB 2,S ; SET MS BYTE IN X REG TO ADJ PHY ADDR.
0909 *
0910 * PLUS LS NIBBLE OF LOGICAL ADDRESS
0911 *
0912 FA51 E7 62 STB 2,S ; SAVE AS LS 16 BITS OF PHY ADDR IN X REG ON STACK
0913 FA53 35 B6 PULS A,B,X,Y,PC ; POP REGS. FROM STACK
0914 ENDIF DATOPT
0915 *
0916 * DELAY LOOP
0917 *
0918 FA55 34 04 DLY PSHS B ; SAVE CONTENTS OF "B"
0919 FA57 C6 20 LDB #$20 ; GET LOOP DELAY VALUE
0920 FA59 5A SUB1 DECB ; SUBTRACT ONE FROM VALUE
0921 FA5A 26 FD BNE SUB1 ; LOOP UNTIL ZERO
0922 FA5C 35 84 PULS B,PC ; RESTORE CONTENTS OF "B"
0923 * RTS ;
0924 *
0925 ***** "L" LOAD MIKBUG TAPE *****
0926 *
0927 FA5E BD FC F9 LOAD JSR ACINIZ
0928 FA61 86 11 LDA #$11 ; LOAD 'DC1' CASS. READ ON CODE
0929 FA63 17 02 7A LBSR OUTCH ; OUTPUT IT TO TERMINAL PORT
0930 FA66 7F DF E2 CLR ECHO ; TURN OFF ECHO FLAG
0931 FA69 17 02 2A LOAD1 LBSR ECHON ; INPUT 8 BIT BYTE WITH NO ECHO
0932 FA6C 81 53 LOAD2 CMPA #'S ; IS IT AN "S", START CHARACTER ?
0933 FA6E 26 F9 BNE LOAD1 ; IF NOT, DISCARD AND GET NEXT CHAR.
0934 FA70 17 02 23 LBSR ECHON
0935 FA73 81 39 CMPA #'9 ; IS IT A "9" , END OF FILE CHAR ?
0936 FA75 27 3D BEQ LOAD21 ; IF SO, EXIT LOAD
0937 FA77 81 31 CMPA #'1 ; IS IT A "1" , FILE LOAD CHAR ?
0938 FA79 26 F1 BNE LOAD2 ; IF NOT, LOOK FOR START CHAR.
0939 FA7B 17 01 A8 LBSR BYTE ; INPUT BYTE COUNT
0940 FA7E 34 02 PSHS A ; PUSH COUNT ON STACK
0941 FA80 29 26 BVS LODERR ; (V) C-CODE SET, ILLEGAL HEX
0942 FA82 17 01 91 LBSR IN1ADR ; INPUT LOAD ADDRESS
0943 FA85 29 21 BVS LODERR ; (V) C-CODE SET, ADDR NOT HEX
0944 FA87 34 10 PSHS X ; PUSH ADDR ON STACK
0945 FA89 E6 E0 LDB ,S+ ; LOAD MSB OF ADDR AS CHECKSUM BYTE
0946 FA8B EB E0 ADDB ,S+ ; ADD LSB OF ADDR TO CHECKSUM
0947 FA8D EB E4 ADDB ,S ; ADD BYTE COUNT BYTE TO CHECKSUM
0948 FA8F 6A E4 DEC ,S ; $FC37 DECREMENT BYTE COUNT 2 TO BYPASS
0949 FA91 6A E4 DEC ,S ; ADDRESS BYTES.
0950 FA93 34 04 LOAD10 PSHS B ; PUSH CHECKSUM ON STACK
0951 FA95 17 01 8E LBSR BYTE ; INPUT DATA BYTE (2 HEX CHAR)
0952 FA98 35 04 PULS B ; POP CHECKSUM FROM STACK
0953 FA9A 29 0C BVS LODERR ; (V) SET, DATA BYTE NOT HEX
0954 FA9C 34 02 PSHS A ; PUSH DATA BYTE ON STACK
0955 FA9E EB E0 ADDB ,S+ ; ADD DATA TO CHECKSUM, AUTO INC STACK
0956 FAA0 6A E4 DEC ,S ; DECREMENT BYTE COUNT 1
0957 FAA2 27 05 BEQ LOAD16 ; IF BYTE COUNT ZERO, TEST CHECKSUM
0958 FAA4 A7 80 STA ,X+ ; SAVE DATA BYTE IN MEMORY
0959 FAA6 20 EB BRA LOAD10 ; GET NEXT DATA BYTE
0960 FAA8 5F LODERR CLRB ; ERROR CONDITION, ZERO CHECKSUM ;
0961 FAA9 35 02 LOAD16 PULS A ; ADJUST STACK (REMOVE BYTE COUNT)
0962 FAAB C1 FF CMPB #$FF ; CHECKSUM OK?
0963 FAAD 27 BA BEQ LOAD1 ; IF SO, LOAD NEXT LINE
0964 FAAF 86 3F LDA #'? ; LOAD (?) ERROR INDICATOR
0965 FAB1 17 02 2C LBSR OUTCH ; OUTPUT IT TO TERMINAL
0966 FAB4 73 DF E2 LOAD21 COM ECHO ; TURN ECHO ON
0967 FAB7 86 13 LDA #$13 ; $FC5F LOAD 'DC3' CASS. READ OFF CODE
0968 FAB9 16 02 24 LBRA OUTCH ; OUTPUT IT
0969 *
0970 ***** "P" PUNCH MIKBUG TAPE *****
0971 *
0972 FABC 6F E2 PUNCH CLR ,-S ; CLEAR RESERVED BYTE ON STACK
0973 FABE 17 01 4A LBSR IN2ADR ; GET BEGIN AND END ADDRESS
0974 FAC1 34 30 PSHS X,Y ; SAVE ADDRESSES ON STACK
0975 FAC3 29 4D BVS PUNEXT ; (V) C-CODE SET, EXIT PUNCH
0976 FAC5 AC 62 CMPX 2,S ; COMPARE BEGIN TO END ADDR
0977 FAC7 25 49 BCS PUNEXT ; IF BEGIN GREATER THAN END, EXIT PUNCH
0978 FAC9 30 01 LEAX 1,X ; INCREMENT END ADDRESS
0979 FACB AF E4 STX ,S ; STORE END ADDR ON STACK
0980 FACD BD FC F9 JSR ACINIZ
0981 FAD0 86 12 LDA #$12 ; LOAD 'DC2' PUNCH ON CODE
0982 FAD2 17 02 0B LBSR OUTCH ; OUTPUT IT TO TERMINAL
0983 FAD5 EC E4 PUNCH2 LDD ,S ; LOAD END ADDR IN D-ACC
0984 FAD7 A3 62 SUBD 2,S ; SUBTRACT BEGIN FROM END
0985 FAD9 27 06 BEQ PUNCH3 ; SAME, PUNCH 32 BYTES DEFAULT
0986 FADB 10 83 00 20 CMPD #$20 ; LESS THAN 32 BYTES?
0987 FADF 23 02 BLS PUNCH4 ; PUNCH THAT MANY BYTES
0988 FAE1 C6 20 PUNCH3 LDB #$20 ; LOAD BYTE COUNT OF 32.
0989 FAE3 E7 64 PUNCH4 STB 4,S ; STORE ON STACK AS BYTE COUNT
0990 FAE5 8E FE F3 LDX #MSG20 ; POINT TO MSG "S1"
0991 FAE8 17 00 2F LBSR PSTRNG ; PRINT MSG
0992 FAEB CB 03 ADDB #3 ; ADD 3 BYTES TO BYTE COUNT
0993 FAED 1F 98 TFR B,A ; GET BYTE COUNT IN A-ACC TO PUNCH
0994 FAEF 17 01 75 LBSR OUT2H ; OUTPUT BYTE COUNT
0995 FAF2 AE 62 LDX 2,S ; LOAD BEGIN ADDRESS
0996 FAF4 17 01 68 LBSR OUT4H ; PUNCH ADDRESS
0997 FAF7 EB 62 ADDB 2,S ; ADD ADDR MSB TO CHECKSUM
0998 FAF9 EB 63 ADDB 3,S ; ADD ADDR LSB TO CHECKSUM
0999 FAFB EB 84 PUNCHL ADDB ,X ; ADD DATA BYTE TO CHECKSUM
1000 FAFD A6 80 LDA ,X+ ; LOAD DATA BYTE TO PUNCH
1001 FAFF 17 01 65 LBSR OUT2H ; OUTPUT DATA BYTE
1002 FB02 6A 64 DEC 4,S ; DECREMENT BYTE COUNT
1003 FB04 26 F5 BNE PUNCHL ; NOT DONE, PUNCH NEXT BYTE
1004 FB06 53 COMB 1's ; COMPLIMENT CHECKSUM BYTE
1005 FB07 1F 98 TFR B,A ; GET IT IN A-ACC TO PUNCH
1006 FB09 17 01 5B LBSR OUT2H ; OUTPUT CHECKSUM BYTE
1007 FB0C AF 62 STX 2,S ; SAVE X-REG IN STACK AS NEW PUNCH ADDR
1008 FB0E AC E4 CMPX ,S ; COMPARE IT TO END ADDR
1009 FB10 26 C3 BNE PUNCH2 ; $FCB5 PUNCH NOT DONE, CONT.
1010 FB12 86 14 PUNEXT LDA #$14 ; LOAD 'DC4' PUNCH OFF CODE
1011 FB14 17 01 C9 LBSR OUTCH ; OUTPUT IT
1012 FB17 32 65 LEAS 5,S ; READJUST STACK POINTER
1013 FB19 39 RTS ;
1014 *
1015 * PRINT STRING PRECEEDED BY A CR & LF.
1016 *
1017 FB1A 8D 02 PSTRNG BSR PCRLF ; PRINT CR/LF
1018 FB1C 20 71 BRA PDATA ; PRINT STRING POINTED TO BY IX
1019 *
1020 * PCRLF
1021 *
1022 FB1E 34 10 PCRLF PSHS X ; SAVE IX
1023 FB20 8E FE A4 LDX #MSG2+1 ; POINT TO MSG CR/LF + 3 NULS
1024 FB23 17 00 69 LBSR PDATA ; PRINT MSG
1025 FB26 35 90 PULS X,PC ; RESTORE IX & RETURN
1026 *
1027 * LONG BRANCHES TO COMMON ROUTINES
1028 *
1029 FB28 16 01 B3 JOUT1S LBRA OUT1S
1030 FB2B 16 00 F8 JBYTE LBRA BYTE
1031 FB2E 16 00 E5 JIN1ADR LBRA IN1ADR
1032 *
1033 * ALTER "PC" PROGRAM COUNTER
1034 *
1035 FB31 17 00 91 ALTRPC LBSR PRTPC ; $FCF5 PRINT MSG " PC = "
1036 FB34 8D F2 ALTPC1 BSR JOUT1S ; OUTPUT SPACE
1037 FB36 8D F6 BSR JIN1ADR ; GET NEW CONTENTS FOR "PC"
1038 FB38 29 02 BVS ALTPCD ; EXIT IF INVALID HEX
1039 FB3A AF 4A STX 10,U ; POKE IN NEW CONTENTS
1040 FB3C 39 ALTPCD RTS ;
1041 *
1042 * ALTER "U" USER STACK POINTER
1043 *
1044 FB3D 8D 61 ALTRU BSR PRTUS ; $FCCA PRINT MSG " US = "
1045 FB3F 8D E7 BSR JOUT1S ; OUTPUT SPACE
1046 FB41 8D EB BSR JIN1ADR ; GET NEW CONTENTS FOR "US"
1047 FB43 29 02 BVS ALTUD ; EXIT IF INVALID HEX
1048 FB45 AF 48 STX 8,U ; POKE IN NEW CONTENTS
1049 FB47 39 ALTUD RTS ;
1050 *
1051 * ALTER "Y" INDEX REGISTER
1052 *
1053 FB48 8D 72 ALTRY BSR PRTIY ; PRINT MSG " IY = "
1054 FB4A 8D DC BSR JOUT1S ; OUTPUT SPACE
1055 FB4C 8D E0 BSR JIN1ADR ; GET NEW CONTENTS FOR "IY"
1056 FB4E 29 02 BVS ALTYD ; EXIT IF INVALID HEX
1057 FB50 AF 46 STX 6,U ; $F8F0 POKE IN NEW CONTENTS
1058 FB52 39 ALTYD RTS ;
1059 *
1060 * ALTER "X" INDEX REGISTER
1061 *
1062 FB53 8D 5E ALTRX BSR PRTIX ; $FCE0 PRINT MSG " IX = "
1063 FB55 8D D1 BSR JOUT1S ; OUTPUT SPACE
1064 FB57 8D D5 BSR JIN1ADR
1065 FB59 29 02 BVS ALTXD
1066 FB5B AF 44 STX 4,U
1067 FB5D 39 ALTXD RTS ;
1068 *
1069 * ALTER "DP" DIRECT PAGE REGISTER
1070 *
1071 FB5E 8D 49 ALTRDP BSR PRTDP ; $FCD5 PRINT MSG " DP = "
1072 FB60 8D C6 BSR JOUT1S ; OUTPUT SPACE
1073 FB62 8D C7 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
1074 FB64 29 02 BVS ALTDPD
1075 FB66 A7 43 STA 3,U
1076 FB68 39 ALTDPD RTS ;
1077 *
1078 * ALTER "B" ACCUMULATOR
1079 *
1080 FB69 8D 6C ALTRB BSR PRTB ; $FD09 PRINT MSG " B = "
1081 FB6B 8D BB BSR JOUT1S ; OUTPUT SPACE
1082 FB6D 8D BC BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
1083 FB6F 29 02 BVS ALTBD
1084 FB71 A7 42 STA 2,U
1085 FB73 39 ALTBD RTS ; $F91C
1086 *
1087 * ALTER "A" ACCUMULATOR
1088 *
1089 FB74 8D 58 ALTRA BSR PRTA ; $FCFF RINT MSG " A = "
1090 FB76 8D B0 BSR JOUT1S ; OUTPUT SPACE
1091 FB78 8D B1 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
1092 FB7A 29 02 BVS ALTAD
1093 FB7C A7 41 STA 1,U
1094 FB7E 39 ALTAD RTS ;
1095 *
1096 * ALTER "CC" REGISTER
1097 *
1098 FB7F 8D 5F ALTRCC BSR PRTCC ; $FD13 PRINT MSG " CC: "
1099 FB81 8D A5 BSR JOUT1S ; OUTPUT SPACE
1100 FB83 8D A6 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
1101 FB85 29 04 BVS ALTCCD
1102 FB87 8A 80 ORA #$80 ; SETS "E" FLAG IN PRINT LIST
1103 FB89 A7 C4 STA ,U
1104 FB8B 39 ALTCCD RTS ;
1105 *
1106 * PDATA
1107 *
1108 FB8C 17 01 51 PRINT LBSR OUTCH
1109 FB8F A6 80 PDATA LDA ,X+ ; GET 1st CHAR. TO PRINT
1110 FB91 81 04 CMPA #4 ; IS IT EOT?
1111 FB93 26 F7 BNE PRINT ; IF NOT EOT PRINT IT
1112 FB95 39 RTS ;
1113 *
1114 * PRINT REGISTERS
1115 *
1116 FB96 8E FE B6 PRTSP LDX #MSG10 ; POINT TO MSG "SP="
1117 FB99 8D F4 BSR PDATA ; PRINT MSG
1118 FB9B 1F 31 TFR U,X
1119 FB9D 16 00 BF JOUT4H LBRA OUT4H
1120 *
1121 FBA0 8E FE C2 PRTUS LDX #MSG12 ; POINT TO MSG "US="
1122 FBA3 8D EA BSR PDATA ; PRINT MSG
1123 FBA5 AE 48 LDX 8,U
1124 FBA7 20 F4 BRA JOUT4H
1125 *
1126 FBA9 8E FE D4 PRTDP LDX #MSG15 ; POINT TO MSG "DP="
1127 FBAC 8D E1 BSR PDATA ; PRINT MSG
1128 FBAE A6 43 LDA 3,U
1129 FBB0 16 00 B4 JOUT2H LBRA OUT2H ; OUTPUT HEX BYTE AS ASCII
1130 *
1131 FBB3 8E FE CE PRTIX LDX #MSG14 ; POINT TO MSG "IX="
1132 FBB6 8D D7 BSR PDATA ; PRINT MSG
1133 FBB8 AE 44 LDX 4,U ; $FCE6
1134 FBBA 20 E1 BRA JOUT4H
1135 *
1136 FBBC 8E FE C8 PRTIY LDX #MSG13 ; POINT TO MSG "IY="
1137 FBBF 8D CE BSR PDATA ; PRINT MSG
1138 FBC1 AE 46 LDX 6,U
1139 FBC3 20 D8 BRA JOUT4H
1140 *
1141 FBC5 8E FE BC PRTPC LDX #MSG11 ; POINT TO MSG "PC="
1142 FBC8 8D C5 BSR PDATA ; PRINT MSG
1143 FBCA AE 4A LDX 10,U
1144 FBCC 20 CF BRA JOUT4H
1145 *
1146 FBCE 8E FE DA PRTA LDX #MSG16 ; POINT TO MSG "A="
1147 FBD1 8D BC BSR PDATA ; PRINT MSG
1148 FBD3 A6 41 LDA 1,U
1149 FBD5 20 D9 BRA JOUT2H ; OUTPUT HEX BYTE AS ASCII
1150 *
1151 FBD7 8E FE DF PRTB LDX #MSG17 ; POINT TO MSG "B="
1152 FBDA 8D B3 BSR PDATA ; PRINT MSG
1153 FBDC A6 42 LDA 2,U
1154 FBDE 20 D0 BRA JOUT2H ; OUTPUT HEX BYTE AS ASCII
1155 *
1156 FBE0 8E FE E4 PRTCC LDX #MSG18 ; POINT TO MSG "CC:"
1157 FBE3 8D AA BSR PDATA ; PRINT MSG
1158 FBE5 A6 C4 LDA ,U
1159 FBE7 8E FE EB LDX #MSG19 ; POINT TO MSG "EFHINZVC"
1160 FBEA 16 00 90 LBRA BIASCI ; OUTPUT IN BINARY/ASCII FORMAT
1161 *
1162 * "R" DISPLAY REGISTERS
1163 *
1164 FBED 8E FE B2 REGSTR LDX #MSG5 ; POINT TO MSG " - "
1165 FBF0 17 FF 27 LBSR PSTRNG ; PRINT MSG
1166 FBF3 8D A1 BSR PRTSP ; $FCBF
1167 FBF5 8D A9 BSR PRTUS ; $FCCA
1168 FBF7 8D B0 BSR PRTDP ; $FCD5
1169 FBF9 8D B8 BSR PRTIX ; $FCE0
1170 FBFB 8D BF BSR PRTIY ; $FCEB
1171 FBFD 8E FE B2 LDX #MSG5 ; POINT TO MSG " - "
1172 FC00 17 FF 17 LBSR PSTRNG ; PRINT MSG
1173 FC03 8D C0 BSR PRTPC ; $FCF5
1174 FC05 8D C7 BSR PRTA ; $FCFF
1175 FC07 8D CE BSR PRTB ; $FD09
1176 FC09 20 D5 BRA PRTCC ; $FD13
1177 *
1178 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
1179 * OPERATOR TO INPUT TWO VALID HEX ADDRESSES.
1180 * THE FIRST ADDRESS INPUT IS RETURNED IN "IY".
1181 * THE SECOND IS RETURNED IN "IX". THE "V" BIT
1182 * IN THE C-CODE REG. IS SET IF AN INVALID HEX
1183 * ADDRESS IS INPUT.
1184 *
1185 FC0B 8D 09 IN2ADR BSR IN1ADR ; GET FIRST ADDRESS
1186 FC0D 29 4D BVS NOTHEX ; EXIT IF NOT VALID HEX
1187 FC0F 1F 12 TFR X,Y ; SAVE FIRST ADDR. IN "IY"
1188 FC11 86 2D LDA #'-
1189 FC13 17 00 CA LBSR OUTCH ; PRINT " - "
1190 *
1191 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
1192 * OPERATOR TO INPUT ONE VALID HEX ADDRESS. THE
1193 * ADDRESS IS RETURNED IN THE "X" REGISTER.
1194 *
1195 FC16 8D 0E IN1ADR BSR BYTE ; INPUT BYTE (2 HEX CHAR)
1196 FC18 29 42 BVS NOTHEX ; EXIT IF NOT VALID HEX
1197 FC1A 1F 01 TFR D,X
1198 FC1C 8D 08 BSR BYTE ; INPUT BYTE (2 HEX CHAR)
1199 FC1E 29 3C BVS NOTHEX
1200 FC20 34 10 PSHS X
1201 FC22 A7 61 STA 1,S
1202 FC24 35 90 PULS X,PC
1203 *
1204 ***** INPUT BYTE (2 HEX CHAR.) *****
1205 *
1206 FC26 8D 11 BYTE BSR INHEX ; GET HEX LEFT
1207 FC28 29 32 BVS NOTHEX ; EXIT IF NOT VALID HEX
1208 FC2A 48 ASLA ;
1209 FC2B 48 ASLA ;
1210 FC2C 48 ASLA ; SHIFT INTO LEFT NIBBLE
1211 FC2D 48 ASLA ;
1212 FC2E 1F 89 TFR A,B ; PUT HEXL IN "B"
1213 FC30 8D 07 BSR INHEX ; GET HEX RIGHT
1214 FC32 29 28 BVS NOTHEX ; EXIT IF NOT VALID HEX
1215 FC34 34 04 PSHS B ; PUSH HEXL ON STACK
1216 FC36 AB E0 ADDA ,S+ ; ADD HEXL TO HEXR AND ADJ. STK
1217 FC38 39 RTS ; RETURN WITH HEX L&R IN "A"
1218 *
1219 *
1220 FC39 8D 5B INHEX BSR ECHON ; INPUT ASCII CHAR.
1221 FC3B 81 30 CMPA #'0 ; IS IT > OR = "0" ?
1222 FC3D 25 1D BCS NOTHEX ; IF LESS IT AIN'T HEX
1223 FC3F 81 39 CMPA #'9 ; IS IT < OR = "9" ?
1224 FC41 22 03 BHI INHEXA ; IF > MAYBE IT'S ALPHA
1225 FC43 80 30 SUBA #$30 ; ASCII ADJ. NUMERIC
1226 FC45 39 RTS ;
1227 *
1228 *
1229 FC46 81 41 INHEXA CMPA #'A ; IS IT > OR = "A"
1230 FC48 25 12 BCS NOTHEX ; IF LESS IT AIN'T HEX
1231 FC4A 81 46 CMPA #'F ; IS IT < OR = "F" ?
1232 FC4C 22 03 BHI INHEXL ; IF > IT AIN'T HEX
1233 FC4E 80 37 SUBA #'A-10 ; ($37) ASCII ADJ. ALPHA
1234 FC50 39 RTS ;
1235 *
1236 FC51 81 61 INHEXL CMPA #'a ; IS IT > OR = "a"
1237 FC53 25 07 BCS NOTHEX ; IF LESS IT AIN'T HEX
1238 FC55 81 66 CMPA #'f ; IS IT < "f"
1239 FC57 22 03 BHI NOTHEX ; IF > IT AIN'T HEX
1240 FC59 80 57 SUBA #'a-10 ; ($57) ADJUST TO LOWER CASE
1241 FC5B 39 RTS ;
1242 *
1243 *
1244 FC5C 1A 02 NOTHEX ORCC #2 ; SET (V) FLAG IN C-CODES REGISTER
1245 FC5E 39 RTS ;
1246 *
1247 *
1248 FC5F 34 10 OUT4H PSHS X ; PUSH X-REG. ON THE STACK
1249 FC61 35 02 PULS A ; POP MS BYTE OF X-REG INTO A-ACC.
1250 FC63 8D 02 BSR OUTHL ; OUTPUT HEX LEFT
1251 FC65 35 02 PULS A ; POP LS BYTE OF X-REG INTO A-ACC.
1252 FC67 OUTHL EQU *
1253 FC67 34 02 OUT2H PSHS A ; SAVE IT BACK ON STACK
1254 FC69 44 LSRA ; CONVERT UPPER HEX NIBBLE TO ASCII
1255 FC6A 44 LSRA ;
1256 FC6B 44 LSRA ;
1257 FC6C 44 LSRA ;
1258 FC6D 8D 04 BSR XASCII ; PRINT HEX NIBBLE AS ASCII
1259 FC6F 35 02 OUTHR PULS A ; CONVERT LOWER HEX NIBBLE TO ASCII
1260 FC71 84 0F ANDA #$0F ; STRIP LEFT NIBBLE
1261 FC73 8B 30 XASCII ADDA #$30 ; ASCII ADJ
1262 FC75 81 39 CMPA #$39 ; IS IT < OR = "9" ?
1263 FC77 2F 02 BLE OUTC ; IF LESS, OUTPUT IT
1264 FC79 8B 07 ADDA #7 ; IF > MAKE ASCII LETTER
1265 FC7B 20 63 OUTC BRA OUTCH ; OUTPUT CHAR
1266 *
1267 * BINARY / ASCII --- THIS ROUTINE
1268 * OUTPUTS A BYTE IN ENHANCED
1269 * BINARY FORMAT. THE ENHANCEMENT
1270 * IS DONE BY SUBSTITUTING ASCII
1271 * LETTERS FOR THE ONES IN THE BYTE.
1272 * THE ASCII ENHANCEMENT LETTERS
1273 * ARE OBTAINED FROM THE STRING
1274 * POINTED TO BY THE INDEX REG. "X".
1275 *
1276 FC7D 34 02 BIASCI PSHS A ; SAVE "A" ON STACK
1277 FC7F C6 08 LDB #8 ; PRESET LOOP# TO BITS PER BYTE
1278 FC81 A6 80 OUTBA LDA ,X+ ; GET LETTER FROM STRING
1279 FC83 68 E4 ASL ,S ; TEST BYTE FOR "1" IN B7
1280 FC85 25 02 BCS PRTBA ; IF ONE PRINT LETTER
1281 FC87 86 2D LDA #'- ; IF ZERO PRINT "-"
1282 FC89 8D 55 PRTBA BSR OUTCH ; PRINT IT
1283 FC8B 8D 51 BSR OUT1S ; PRINT SPACE
1284 FC8D 5A DECB ; SUB 1 FROM #BITS YET TO PRINT
1285 FC8E 26 F1 BNE OUTBA
1286 FC90 35 82 PULS A,PC
1287 *
1288 IFD EXTOPT
1289 *
1290 * EXTENDED USER COMMANDS
1291 *
1292 FC92 6E 9F F0 00 USRCMD JMP [MONEXT+EXTCMD]
1293 ENDIF EXTOPT
1294 *
1295 *
1296 FC96 7D DF E2 ECHON TST ECHO ; IS ECHO REQUIRED ?
1297 FC99 27 06 BEQ INCH ; ECHO NOT REQ. IF CLEAR
1298 *
1299 * INCHE
1300 *
1301 * GETS CHARACTER FROM TERMINAL AND
1302 * ECHOS SAME. THE CHARACTER IS RETURNED
1303 * IN THE "A" ACCUMULATOR WITH THE PARITY
1304 * BIT MASKED OFF. ALL OTHER REGISTERS
1305 * ARE PRESERVED.
1306 *
1307 FC9B 8D 04 INCHE BSR INCH ; GET CHAR FROM TERMINAL
1308 FC9D 84 7F ANDA #$7F ; STRIP PARITY FROM CHAR.
1309 FC9F 20 3F BRA OUTCH ; ECHO CHAR TO TERMINAL
1310 *
1311 * INCH
1312 *
1313 * GET CHARACTER FROM TERMINAL. RETURN
1314 * CHARACTER IN "A" ACCUMULATOR AND PRESERVE
1315 * ALL OTHER REGISTERS. THE INPUT CHARACTER
1316 * IS 8 BITS AND IS NOT ECHOED.
1317 *
1318 *
1319 FCA1 34 10 INCH PSHS X ; SAVE IX
1320 IFD HFCOPT
1321 FCA3 86 11 LDA #$11 ; SET RTS* LOW, REQUEST FAR END TO TX
1322 FCA5 A7 9F DF E0 STA [CPORT]
1323 ENDIF HFCOPT
1324 FCA9 BE DF E0 GETSTA LDX CPORT ; POINT TO TERMINAL PORT
1325 FCAC A6 84 LDA ,X ; FETCH PORT STATUS
1326 FCAE 85 01 BITA #1 ; TEST READY BIT, RDRF ?
1327 IFD PS2OPT
1328 FCB0 26 09 BNE GETST1
1329 FCB2 8E E0 20 LDX #PS2KBD
1330 FCB5 A6 84 LDA ,X
1331 FCB7 85 01 BITA #1
1332 ENDIF PS2OPT
1333 FCB9 27 EE BEQ GETSTA ; IF NOT RDY, THEN TRY AGAIN
1334 FCBB GETST1 EQU *
1335 IFD HFCOPT
1336 FCBB 86 51 LDA #$51 ; SET RTS* HIGH, STOP FAR END FROM TXING, UNTIL NEXT INPUT
1337 FCBD A7 9F DF E0 STA [CPORT]
1338 ENDIF HFCOPT
1339 FCC1 A6 01 LDA 1,X ; FETCH CHAR
1340 FCC3 35 90 PULS X,PC ; RESTORE IX
1341 *
1342 * INCHEK
1343 *
1344 * CHECK FOR A CHARACTER AVAILABLE FROM
1345 * THE TERMINAL. THE SERIAL PORT IS CHECKED
1346 * FOR READ READY. ALL REGISTERS ARE
1347 * PRESERVED, AND THE "Z" BIT WILL BE
1348 * CLEAR IF A CHARACTER CAN BE READ.
1349 *
1350 *
1351 FCC5 34 02 INCHEK PSHS A ; SAVE A ACCUM
1352 IFD HFCOPT
1353 FCC7 86 11 LDA #$11 ; SET RTS* LOW, REQUEST FAR END TO TX
1354 FCC9 A7 9F DF E0 STA [CPORT]
1355 ENDIF HFCOPT
1356 FCCD A6 9F DF E0 LDA [CPORT] ; FETCH PORT STATUS
1357 FCD1 85 01 BITA #1 ; TEST READY BIT, RDRF ?
1358 IFD PS2OPT
1359 FCD3 26 05 BNE INCHEK1
1360 FCD5 B6 E0 20 LDA PS2KBD
1361 FCD8 85 01 BITA #1 ; TEST READY BIT< RDRF ?
1362 ENDIF PS2OPT
1363 FCDA 35 82 INCHEK1 PULS A,PC ; RESTORE A ACCUM.
1364 *
1365 FCDC 8D 00 OUT2S BSR OUT1S ; OUTPUT 2 SPACES
1366 FCDE 86 20 OUT1S LDA #$20 ; OUTPUT 1 SPACE
1367 *
1368 *
1369 * OUTCH
1370 *
1371 * OUTPUT CHARACTER TO TERMINAL.
1372 * THE CHAR. TO BE OUTPUT IS
1373 * PASSED IN THE A REGISTER.
1374 * ALL REGISTERS ARE PRESERVED.
1375 *
1376 OUTCH IFD VDUOPT
1377 FCE0 8D 49 BSR VOUTCH
1378 ENDIF VDUOPT
1379 IFD DG640OPT
1380 BSR VOUTCH
1381 ENDIF DG640OPT
1381 ENDIF DG640OPT
1382 FCE2 34 12 AOUTCH PSHS A,X ; SAVE A ACCUM AND IX
1383 FCE4 BE DF E0 LDX CPORT ; GET ADDR. OF TERMINAL
1384 FCE7 A6 84 FETSTA LDA ,X ; FETCH PORT STATUS
1385 FCE9 85 02 BITA #2 ; TEST TDRE, OK TO XMIT ?
1386 FCEB 27 FA BEQ FETSTA ; IF NOT LOOP UNTIL RDY
1387 FCED 85 08 BITA #8 ; CLEAR TO SEND ?
1388 FCEF 26 F6 BNE FETSTA ; NO, LOOP UNTIL CLEAR
1389 FCF1 35 02 PULS A ; GET CHAR. FOR XMIT
1390 FCF3 A7 01 STA 1,X ; XMIT CHAR.
1391 FCF5 35 90 PULS X,PC ; RESTORE IX
1392 *
1393 * IO INITIALIZATION
1394 *
1395 FCF7 IOINIZ EQU *
1396 IFD VDUOPT
1397 FCF7 8D 13 BSR VINIZ
1398 ENDIF VDUOPT
1399 IFD DG640OPT
1400 BSR VINIZ
1401 ENDIF DG640OPT
1401 ENDIF DG640OPT
1402 FCF9 BE DF E0 ACINIZ LDX CPORT ; POINT TO CONTROL PORT ADDRESS
1403 FCFC 86 03 LDA #3 ; RESET ACIA PORT CODE
1404 FCFE A7 84 STA ,X ; STORE IN CONTROL REGISTER
1405 FD00 86 51 LDA #$51 ; SET 8 DATA, 2 STOP AN 0 PARITY RTS* HIGH
1406 FD02 A7 84 STA ,X ; STORE IN CONTROL REGISTER
1407 FD04 6D 01 TST 1,X ; ANYTHING IN DATA REGISTER?
1408 FD06 86 FF LDA #$FF ; TURN ON ECHO FLAG
1409 FD08 B7 DF E2 STA ECHO
1410 FD0B 39 RTS
1411 *
1412 IFD VDUOPT
1413 *
1414 ***************************************************
1415 * VDU8 ADM3A REGISTER-MAPPED EMULATOR *
1416 * *
1417 * 80 x 25 Characters
1418 *
1419 ***************************************************
1420 *
1421 ***************************************************
1422 * INITIALIZE EMULATOR *
1423 ***************************************************
1424 *
1425 FD0C 8E E0 30 VINIZ LDX #VDU
1426 FD0F CC 00 00 LDD #0
1427 FD12 FD DF FB STD COLADX ; AND ROWADX
1428 FD15 A7 02 STA VDUCOL,X
1429 FD17 E7 03 STB VDUROW,X
1430 FD19 E7 04 STB VDUOFF,X
1431 FD1B FD DF FD STD NEWROW ; AND ESCFLG
1432 FD1E C6 02 LDB #$02
1433 FD20 E7 01 STB VDUATT,X
1434 FD22 7F DF FE CLR ESCFLG
1435 FD25 86 1B LDA #$1B ; SEND ESCAPE
1436 FD27 8D 02 BSR VOUTCH
1437 FD29 86 59 LDA #'Y ; CLEAR TO END OF SCREEN
1438 *
1439 ** VIDEO OUTPUT ROUTINE
1440 *
1441 FD2B 34 16 VOUTCH PSHS A,B,X ; SAVE REGISTERS
1442 FD2D 8E E0 30 LDX #VDU ; POINT TO VDU REGISTERS
1443 *
1444 ** CHECK FOR ESCAPE SEQUENCE
1445 *
1446 FD30 7D DF FE TST ESCFLG ; ESCAPE ACTIVE?
1447 FD33 27 04 BEQ SOROU1 ; BRANCH IF NOT
1448 FD35 8D 60 BSR ESCAPE ; ELSE DO ESCAPE
1449 FD37 20 0D BRA RETURN ; AND RETURN
1450 *
1451 ** CHECK FOR CONTROL CHARACTERS
1452 *
1453 FD39 81 20 SOROU1 CMPA #$20 ; CONTROL CODES?
1454 FD3B 24 04 BHS SOROU2
1455 FD3D 8D 09 BSR CONTRL ; BRANCH IF SO
1456 FD3F 20 05 BRA RETURN
1457 *
1458 ** OUTPUT TEXT CHARACTER
1459 *
1460 FD41 A7 84 SOROU2 STA VDUCHR,X ; DISPLAY CHARACTER
1461 FD43 17 00 AF LBSR NEWCOL ; UPDATE COLUMN
1462 *
1463 ** DISPLAY CURSOR AND RETURN
1464 *
1465 FD46 35 96 RETURN PULS A,B,X,PC ; RESTORE REGISTERS AND RETURN
1466 *
1467 ***************************************************
1468 * CONTROL CODE HANDLERS *
1469 ***************************************************
1470 *
1471 FD48 81 08 CONTRL CMPA #$08 ; CTRL H - BACKSPACE ?
1472 FD4A 27 34 BEQ BACKSP
1473 FD4C 81 1B CMPA #$1B ; ESCAPE SEQUENCE?
1474 FD4E 27 5A BEQ SETESC
1475 FD50 81 1A CMPA #$1A ; CTRL Z - Clear Screen
1476 FD52 10 27 00 7C LBEQ CLRSCR
1477 FD56 81 16 CMPA #$16 ; CTRL ^ - Home
1478 FD58 27 38 BEQ HOME
1479 FD5A 81 0D CMPA #$0D ; CTRL M - RETURN?
1480 FD5C 10 27 00 89 LBEQ CRETN
1481 FD60 81 0C CMPA #$0C ; CTRL L - CHAR RIGHT
1482 FD62 27 24 BEQ CHRIGHT
1483 FD64 81 0B CMPA #$0B ; CTRL K - MOVE UP ONE LINE
1484 FD66 27 0F BEQ LINEUP
1485 FD68 81 0A CMPA #$0A ; CTRL J - LINE FEED
1486 FD6A 26 45 BNE RETESC ; NONE OF THESE, RETURN
1487 *
1488 ***************************************** LINE FEED
1489 *
1490 FD6C FC DF FB LINEFD LDD COLADX ; GET CURRENT COLUMN AND ROW
1491 FD6F 5C INCB ; BUMP ROW
1492 FD70 C1 19 CMPB #NUMLIN ; SCROLL TIME?
1493 FD72 26 79 BNE NEWCUR ; POSITION CURSOR IF NOT
1494 FD74 16 00 8F LBRA SCROLL ; ELSE SCROLL IT
1495 *
1496 ***************************************** LINE FEED
1497 *
1498 FD77 FC DF FB LINEUP LDD COLADX ; GET CURRENT COLUMN AND ROW
1499 FD7A 5D TSTB ; AT TOP OF SCREEN ?
1500 FD7B 27 34 BEQ RETESC ; Yes, Ignore
1501 FD7D 5A DECB ; No, Decrement ROW
1502 FD7E 20 6D BRA NEWCUR ; POSITION CURSOR
1503 *
1504 *********************************** BACK SPACE
1505 *
1506 FD80 B6 DF FB BACKSP LDA COLADX
1507 FD83 27 2C BEQ RETESC ; RETURN
1508 FD85 4A DECA
1509 FD86 20 62 BRA POSCOL ; POSITION CURSOR
1510 *
1511 *********************************** CURSOR RIGHT
1512 *
1513 FD88 B6 DF FB CHRIGHT LDA COLADX
1514 FD8B 4C INCA
1515 FD8C 81 50 CMPA #LINLEN
1516 FD8E 27 21 BEQ RETESC
1517 FD90 20 58 BRA POSCOL
1518 *
1519 *********************************** CURSOR RIGHT
1520 *
1521 FD92 CC 00 00 HOME LDD #0 ; HOME - POSITION TOP OF SCREEN
1522 FD95 20 56 BRA NEWCUR
1523 *
1524 ***************************************************
1525 * ESCAPE HANDLERS *
1526 ***************************************************
1527 *
1528 FD97 F6 DF FE ESCAPE LDB ESCFLG ; GET FLAG
1529 FD9A C1 3D CMPB #'= ; SETTING CURSOR?
1530 FD9C 27 14 BEQ ESCCUR ; BRANCH IF SO
1531 FD9E 81 59 CMPA #'Y ; CLEAR TO END OF SCREEN?
1532 FDA0 27 6E BEQ ESCCLS
1533 FDA2 81 54 CMPA #'T ; CLEAR TO END OF LINE?
1534 FDA4 27 31 BEQ ESCCLL
1535 FDA6 81 3D CMPA #'= ; STARTING CURSOR SET?
1536 FDA8 26 04 BNE CLRESC ; BRANCH IF NOT
1537 *
1538 ***************************** START ESCAPE SEQUENCE
1539 *
1540 FDAA B7 DF FE SETESC STA ESCFLG ; ELSE START CURSORING
1541 FDAD 39 RTS ; AND RETURN
1542 *
1543 FDAE 7F DF FE CLRESC CLR ESCFLG ; NO OTHERS SUPPORTED
1544 FDB1 39 RETESC RTS ; SO RETURN
1545 *
1546 ********************************* SET SCREEN CURSOR
1547 *
1548 FDB2 7D DF FD ESCCUR TST NEWROW ; ROW SET?
1549 FDB5 26 04 BNE ESCCU1 ; BRANCH IF SO
1550 FDB7 B7 DF FD STA NEWROW ; ELSE SET NEW ROW
1551 FDBA 39 RTS ; AND RETURN
1552 *
1553 FDBB 7F DF FE ESCCU1 CLR ESCFLG
1554 FDBE 80 20 SUBA #$20 ; ADJUST COLUMN ADDRESS
1555 FDC0 81 4F CMPA #LINLEN-1 ;CHECK FOR ACCEPTABLE COLUM
1556 FDC2 22 ED BHI RETESC ; NOT OK, DO NOTHING
1557 *
1558 FDC4 F6 DF FD ESCCU2 LDB NEWROW
1559 FDC7 7F DF FD CLR NEWROW
1560 FDCA C0 20 SUBB #$20 ; ADJUST TO ROW ADDRESS
1561 FDCC C1 18 CMPB #NUMLIN-1 ; CHECK FOR ACCEPTABLE ROW
1562 FDCE 22 E1 BHI RETESC ; ELSE RETURN DOING NOTHING
1563 FDD0 20 1B BRA NEWCUR ; GO SET NEW CURSOR IF SO
1564 *
1565 ****************** CLEAR FROM CURSOR TO END OF LINE
1566 *
1567 FDD2 CC 00 00 CLRSCR LDD #0 ; CLEAR FROM TOP OF SCREEN
1568 FDD5 8D 16 BSR NEWCUR
1569 FDD7 B6 DF FB ESCCLL LDA COLADX
1570 FDDA C6 20 LDB #$20 ; AND CLEAR CHAR
1571 FDDC E7 84 ESCCL1 STB VDUCHR,X ; DISPLAY TEXT
1572 FDDE 4C INCA
1573 FDDF A7 02 STA VDUCOL,X
1574 FDE1 81 50 CMPA #LINLEN ; UNTIL END OF LINE
1575 FDE3 26 F7 BNE ESCCL1
1576 FDE5 7F DF FE CLR ESCFLG
1577 FDE8 39 RTS
1578 *
1579 *********************************** CARRIAGE RETURN
1580 *
1581 FDE9 4F CRETN CLRA ; SET COLUMN ZERO
1582 FDEA F6 DF FC POSCOL LDB ROWADX ; GET CURRENT ROW
1583 *
1584 *********** GENERATE NEW CURSOR POSITION AND RETURN
1585 *
1586 FDED FD DF FB NEWCUR STD COLADX ; SAVE NEW ROW AND COLUMN
1587 FDF0 A7 02 STA VDUCOL,X ; SET NEW COLUMN
1588 FDF2 E7 03 STB VDUROW,X ; SET NEW ROW
1589 FDF4 39 RTS ; AND RETURN
1590 *
1591 ********************* UPDATE CURRENT COLUMN AND ROW
1592 *
1593 FDF5 FC DF FB NEWCOL LDD COLADX ; GET ROW AND COLUMN
1594 FDF8 4C INCA ; BUMP COLUMN
1595 FDF9 81 50 CMPA #LINLEN ; ROLL?
1596 FDFB 26 F0 BNE NEWCUR ; BRANCH IF NOT
1597 FDFD 4F CLRA ; ELSE RESET TO ZERO
1598 FDFE 5C INCB ; AND BUMP ROW
1599 FDFF C1 19 CMPB #NUMLIN
1600 FE01 26 EA BNE NEWCUR
1601 FE03 5A DECB ; BOTTOM ROW
1602 FE04 8D E7 BSR NEWCUR
1603 *
1604 ********************************* SCROLL THE SCREEN
1605 *
1606 FE06 E6 04 SCROLL LDB VDUOFF,X
1607 FE08 5C INCB
1608 FE09 C1 19 CMPB #NUMLIN
1609 FE0B 25 01 BLO SCROL1
1610 FE0D 5F CLRB
1611 FE0E E7 04 SCROL1 STB VDUOFF,X
1612 *
1613 **************** CLEAR FROM CURSOR TO END OF SCREEN
1614 *
1615 FE10 F6 DF FB ESCCLS LDB COLADX ; GET CURSOR
1616 FE13 86 20 LDA #$20 ; GET A SPACE
1617 FE15 F7 DF FB ESCCLS1 STB COLADX
1618 FE18 E7 02 STB VDUCOL,X
1619 FE1A A7 84 STA VDUCHR,X
1620 FE1C 5C INCB
1621 FE1D C1 50 CMPB #LINLEN
1622 FE1F 26 F4 BNE ESCCLS1
1623 *
1624 FE21 F6 DF FC LDB ROWADX
1625 FE24 5C INCB
1626 FE25 C1 19 CMPB #NUMLIN
1627 FE27 27 08 BEQ ESCCLS2
1628 FE29 F7 DF FC STB ROWADX
1629 FE2C E7 03 STB VDUROW,X
1630 FE2E 5F CLRB
1631 FE2F 20 E4 BRA ESCCLS1
1632 *
1633 FE31 5F ESCCLS2 CLRB
1634 FE32 F7 DF FB STB COLADX
1635 FE35 E7 02 STB VDUCOL,X
1636 FE37 F7 DF FE STB ESCFLG
1637 FE3A 39 RTS
1638 ENDIF VDUOPT
1639 *
1640 IFD DG640OPT
1641 ***************************************************
1642 * TELEVIDEO-TYPE MEMORY-MAPPED EMULATOR *
1643 * *
1644 * FOR HARD-WIRED MEMORY-MAPPED DISPLAYS USING THE *
1645 * HIGH ORDER BIT OF EACH BYTE FOR REVERSE VIDEO *
1646 * CURSORING (SUCH AS THE THOMAS INSTRUMENTATION *
1647 * 16x64 BOARD). *
1648 ***************************************************
1649 *
1650 ***************************************************
1651 * INITIALIZE EMULATOR *
1652 ***************************************************
1653 *
1654 VINIZ LDX #0
1655 STX COLADX ; AND ROWADX
1656 STX NEWROW ; AND ESCFLG
1657 LDX #SCREEN ; POINT TO SCREEN
1658 STX CURSOR ; SET PROGRAM CURSOR
1659 LDA #$1B ; SEND ESCAPE
1660 BSR VOUTCH
1661 LDA #'Y ; CLEAR TO END OF SCREEN
1662 *
1663 ** VIDEO OUTPUT ROUTINE
1664 *
1665 VOUTCH PSHS A,B,X ; SAVE REGISTERS
1666 *
1667 ** CLEAR CURSOR
1668 *
1669 LDX CURSOR
1670 LDB 0,X
1671 ANDB #$7F
1672 STB 0,X
1673 *
1674 ** CHECK FOR ESCAPE SEQUENCE
1675 *
1676 TST ESCFLG ; ESCAPE ACTIVE?
1677 BEQ SOROU1 ; BRANCH IF NOT
1678 BSR ESCAPE ; ELSE DO ESCAPE
1679 BRA RETURN ; AND RETURN
1680 *
1681 ** CHECK FOR CONTROL CHARACTERS
1682 *
1683 SOROU1 CMPA #$20 ; CONTROL CODES?
1684 BHS SOROU2
1685 BSR CONTRL ; BRANCH IF SO
1686 BRA RETURN
1687 *
1688 ** OUTPUT TEXT CHARACTER
1689 *
1690 SOROU2 LDX CURSOR ; ELSE GET CURSOR
1691 STA 0,X ; DISPLAY CHARACTER
1692 LBSR NEWCOL ; UPDATE COLUMN
1693 *
1694 ** DISPLAY CURSOR AND RETURN
1695 *
1696 RETURN LDX CURSOR ; AND DISPLAY IT
1697 LDB ,X
1698 ORB #$80 ; WITH REVID
1699 STB ,X
1700 PULS A,B,X,PC ; RESTORE REGISTERS AND RETURN
1701 *
1702 ***************************************************
1703 * CONTROL CODE HANDLERS *
1704 ***************************************************
1705 *
1706 CONTRL CMPA #$08 ; CTRL H - BACKSPACE ?
1707 LBEQ BACKSP
1708 CMPA #$1B ; ESCAPE SEQUENCE?
1709 LBEQ SETESC
1710 CMPA #$D ; CTRL M - RETURN?
1711 LBEQ CRETN
1712 CMPA #$0A ; CTRL J - LINE FEED
1713 BNE RETESC ; NONE OF THESE, RETURN
1714 *
1715 ***************************************** LINE FEED
1716 *
1717 LINEFD LDD COLADX ; GET CURRENT COLUMN AND ROW
1718 INCB ; BUMP ROW
1719 CMPB #NUMLIN ; SCROLL TIME?
1720 LBNE NEWCUR ; POSITION CURSOR IF NOT
1721 LBRA SCROLL ; ELSE SCROLL IT
1722 *
1723 ***************************************** LINE FEED
1724 *
1725 LINEUP LDD COLADX ; GET CURRENT COLUMN AND ROW
1726 TSTB ; AT TOP OF SCREEN ?
1727 BEQ RETESC ; YES, RETURN
1728 DECB ; NO, DECREMENT ROW
1729 LBRA NEWCUR ; POSITION CURSOR
1730 *
1731 *********************************** BACK SPACE
1732 *
1733 BACKSP LDA COLADX ; GET CURRENT COLUMN AND ROW
1734 BEQ RETESC ; IF AT TOP LEFT CORNER RETURN
1735 DECA ; OTHERWISE BACK STEP ONE CHARACTER
1736 LBRA POSCOL ; POSITION CURSOR
1737 *
1738 *********************************** CURSOR RIGHT
1739 *
1740 CHRIGHT LDA COLADX ; GET CURRENT COLUMN AND ROW
1741 INCA ; MOVE RIGHT ONE CHARACTER
1742 CMPA #LINLEN ; ARE WE AT THE END OF THE LINE ?
1743 BEQ RETESC ; YES, RETURN
1744 LBRA POSCOL ; NO, POSITION CURSOR
1745 *
1746 ***************************************************
1747 * ESCAPE HANDLERS *
1748 ***************************************************
1749 *
1750 ESCAPE LDB ESCFLG ; ARE WE IN AN ESCAPE SEQUENCE ?
1751 CMPB #'= ; ARE WE SETTING CURSOR?
1752 BEQ ESCCUR ; YES BRANCH TO SET CURSOR
1753 CMPA #'Y ; CLEAR TO END OF SCREEN?
1754 LBEQ ESCCLS ; YES, CLEAR SCREEN
1755 CMPA #'T ; CLEAR TO END OF LINE?
1756 BEQ ESCCLL ; YES, CLEAR LINE
1757 CMPA #'E ; INSERT LINE?
1758 BEQ ESCINL
1759 CMPA #'R ; DELETE LINE?
1760 BEQ ESCDLL
1761 CMPA #'= ; STARTING CURSOR SET?
1762 BNE CLRESC ; BRANCH IF NOT
1763 *
1764 ***************************** START ESCAPE SEQUENCE
1765 *
1766 SETESC STA ESCFLG ; ELSE START CURSORING
1767 RTS ; AND RETURN
1768 *
1769 CLRESC CLR ESCFLG ; NO OTHERS SUPPORTED
1770 RETESC RTS ; SO RETURN
1771 *
1772 ********************************* SET SCREEN CURSOR
1773 *
1774 ESCCUR TST NEWROW ; ROW SET?
1775 BNE ESCCU1 ; BRANCH IF SO
1776 STA NEWROW ; ELSE SET NEW ROW
1777 RTS ; AND RETURN
1778 *
1779 ESCCU1 CLR ESCFLG
1780 SUBA #$20 ; ADJUST COLUMN ADDRESS
1781 CMPA #LINLEN-1 ; CHECK FOR ACCEPTABLE COLUM
1782 BHI RETESC ; NOT OK, DO NOTHING
1783 *
1784 ESCCU2 LDB NEWROW
1785 CLR NEWROW
1786 SUBB #$20 ; ADJUST TO ROW ADDRESS
1787 CMPB #NUMLIN-1 ; CHECK FOR ACCEPTABLE ROW
1788 BHI RETESC ; ELSE RETURN DOING NOTHING
1789 BRA NEWCUR ; GO SET NEW CURSOR IF SO
1790 *
1791 *************************** DELETE LINE FROM SCREEN
1792 *
1793 ESCDLL BSR CRETN ; GO COL. ZERO
1794 LDB ROWADX
1795 CMPB #NUMLIN-1
1796 BEQ SCROL3
1797 BRA SCROL1 ; AND DELETE THIS LINE
1798 *
1799 *************************** INSERT LINE INTO SCREEN
1800 *
1801 ESCINL BSR CRETN ; GO TO COL. ZERO
1802 LDB ROWADX
1803 CMPB #NUMLIN-1
1804 BEQ ESCCLL
1805 *
1806 ** SCROLL SCREEN DOWN FROM CURSOR
1807 *
1808 LDX #SCREEN+SCNLEN-LINLEN
1809 ESCIN0 LDA ,-X
1810 STA LINLEN,X
1811 LDA SCNLEN,X
1812 STA SCNLEN+LINLEN,X
1813 CMPX CURSOR
1814 BNE ESCIN0
1815 *
1816 ****************** CLEAR FROM CURSOR TO END OF LINE
1817 *
1818 ESCCLL LDA COLADX ; GET CURRENT COLUMN
1819 LDX CURSOR ; GET CURSOR
1820 LDB #$20 ; AND CLEAR CHAR
1821 ESCLL1 STB SCNLEN,X ; CLEAR ATTRIBUTE
1822 STB ,X+ ; CLEAR TEXT
1823 INCA
1824 CMPA #LINLEN ; UNTIL END OF LINE
1825 BNE ESCLL1
1826 CLR ESCFLG
1827 RTS
1828 *
1829 *********************************** CARRIAGE RETURN
1830 *
1831 CRETN CLRA ; SET COLUMN ZERO
1832 POSCOL LDB ROWADX ; GET CURRENT ROW
1833 *
1834 *********** GENERATE NEW CURSOR POSITION AND RETURN
1835 *
1836 NEWCUR STD COLADX ; SAVE NEW ROW AND COLUMN
1837 LDA #LINLEN ; ELSE ADD A LINE
1838 MUL ; LINLEN * ROWADX
1839 ADDB COLADX
1840 ADCA #0
1841 ADDD #SCREEN ; ADD SCREEN BASE.
1842 STD CURSOR ; SAVE NEW CURSOR
1843 TFR D,X ; GET CURSOR IN X
1844 RTS ; AND RETURN
1845 *
1846 ********************* UPDATE CURRENT COLUMN AND ROW
1847 *
1848 NEWCOL LDD COLADX ; GET ROW AND COLUMN
1849 INCA ; BUMP COLUMN
1850 CMPA #LINLEN ; ROLL?
1851 BNE NEWCUR ; BRANCH IF NOT
1852 CLRA ; ELSE RESET TO ZERO
1853 INCB ; AND BUMP ROW
1854 CMPB #NUMLIN
1855 BNE NEWCUR
1856 DECB ; BOTTOM ROW
1857 BSR NEWCUR
1858 *
1859 ********************************* SCROLL THE SCREEN
1860 *
1861 SCROLL LDX #SCREEN ; POINT TO SCREEN
1862 SCROL1 LDA SCNLEN+LINLEN,X
1863 STA SCNLEN,X
1864 LDA LINLEN,X ; MOVE TWO BYTES
1865 STA ,X+ ; UP ONE LINE
1866 CMPX #SCREEN+SCNLEN-LINLEN
1867 BNE SCROL1 ; LOOP UNTIL DONE
1868 BRA SCROL3
1869 *
1870 **************** CLEAR FROM CURSOR TO END OF SCREEN
1871 *
1872 ESCCLS LDX CURSOR ; GET CURSOR
1873 SCROL3 LDA #$20 ; GET A SPACE
1874 SCROL2 STA SCNLEN,X ; CLEAR ATTRIBUTES
1875 STA ,X+ ; AND TEXT
1876 CMPX #SCREEN+SCNLEN
1877 BNE SCROL2 ; UNTIL DONE
1878 CLR ESCFLG
1879 RTS
1880 ENDIF DG640OPT
1880 ENDIF DG640OPT
1881 *
1882 IFD PRTOPT
1883 *************************************
1884 *
1885 ** PRINTER DRIVER ROUTINES
1886 *
1887 *************************************
1888 *
1889 ** PINIZ - INITIATE PRINTER PORT
1890 *
1891 PINIZ PSHS B
1892 LDD #DIRMSK*256+$04 ; ACCA=DIRMSK ACCB=$04
1893 STD PADATA ; SET DDR AND SELECT DATA
1894 *
1895 ** RESET PRINTER
1896 *
1897 LDB #PRESET
1898 STB PADATA
1899 RESTLP INCB ; DELAY FOR RESET
1900 BNE RESTLP
1901 STA PADATA ; ACCA=DIRMSK
1902 *
1903 ** INITALIZE PORT B (DATA PORT)
1904 *
1905 LDA #$2A
1906 STA PBCTRL
1907 LDD #$FF2E ; ACCA=$FF ACCB =%00101110
1908 STD PBDATA ; PBDREG PBCTRL
1909 *
1910 ** SELECT 66 LINES/PAGE
1911 *
1912 LDA #$1B
1913 BSR POUTCH
1914 LDA #'C
1915 BSR POUTCH
1916 LDA #66
1917 PULS B
1918 *************************************
1919 *
1920 ** OUTPUT A CHARACTER TO THE PRINTER
1921 *
1922 *************************************
1923 POUTCH PSHS B
1924 LDB PBDATA ; CLEAR INTERRUPT BIT
1925 *
1926 ** WAIT TILL NOT BUSY
1927 *
1928 BUSYLP LDB PADATA
1929 BITB #PERROR
1930 BEQ PEXIT
1931 TSTB
1932 BMI BUSYLP
1933 *
1934 ** NOW OUTPUT CHARACTER
1935 *
1936 STA PBDATA
1937 PEXIT PULS B,PC
1938 *************************************
1939 *
1940 ** PCHK TEST IFD PRINTER READY
1941 *
1942 *************************************
1943 PCHK TST PBCTRL ; TEST STATE OF CRB7
1944 RTS ; SET ON ACKNOWLEDGE
1945 ENDIF PRTOPT
1945 ENDIF PRTOPT
1946 *************************************
1947 *
1948 * MONITOR KEYBOARD COMMAND JUMP TABLE
1949 *
1950 *************************************
1951 *
1952 FE3B JMPTAB EQU *
1953 FE3B 01 FCB 1 " ^A "
1954 FE3C FB 74 FDB ALTRA
1955 FE3E 02 FCB 2 " ^B "
1956 FE3F FB 69 FDB ALTRB
1957 FE41 03 FCB 3 " ^C "
1958 FE42 FB 7F FDB ALTRCC
1959 FE44 04 FCB 4 " ^D "
1960 FE45 FB 5E FDB ALTRDP
1961 FE47 10 FCB $10 " ^P "
1962 FE48 FB 31 FDB ALTRPC
1963 FE4A 15 FCB $15 " ^U "
1964 FE4B FB 3D FDB ALTRU
1965 FE4D 18 FCB $18 " ^X "
1966 FE4E FB 53 FDB ALTRX
1967 FE50 19 FCB $19 " ^Y "
1968 FE51 FB 48 FDB ALTRY
1969 *
1970 FE53 42 FCC 'B'
1971 FE54 F9 5C FDB BRKPNT
1972 FE56 45 FCC 'E'
1973 FE57 F8 FD FDB MEMDUMP
1974 FE59 47 FCC 'G'
1975 FE5A F8 A5 FDB GO
1976 FE5C 4C FCC 'L'
1977 FE5D FA 5E FDB LOAD
1978 FE5F 50 FCC 'P'
1979 FE60 FA BC FDB PUNCH
1980 FE62 4D FCC 'M'
1981 FE63 F8 A8 FDB MEMCHG
1982 FE65 52 FCC 'R'
1983 FE66 FB ED FDB REGSTR
1984 FE68 53 FCC 'S'
1985 FE69 F8 F1 FDB DISSTK
1986 FE6B 58 FCC 'X'
1987 FE6C F9 88 FDB XBKPNT
1988 IFD MFDCOPT
1989 FCC 'D' ; *** SWTPC USES 'U' FOR MINIBOOT
1990 FDB MINBOOT
1991 ENDIF MFDCOPT
1991 ENDIF MFDCOPT
1992 IFD CF8OPT
1993 FCC 'D' ; *** FPGA 8 BIT USES 'D' FOR CFBOOT
1994 FDB CFBOOT
1995 ENDIF CF8OPT
1995 ENDIF CF8OPT
1996 IFD IDEOPT
1997 FE6E 44 FCC 'D' ; *** XESS FPGA 16 BIT IDE USES 'D' FOR IDEBOOT
1998 FE6F F9 D5 FDB IDEBOOT
1999 ENDIF IDEOPT
2000 IFD DMAFOPT
2001 FCC 'U' ; *** SWTPC USES 'D' FOR DMAF2 BOOT
2002 FDB DBOOT
2003 ENDIF DMAFOPT
2003 ENDIF DMAFOPT
2004 IFD EXTOPT
2005 FE71 55 FCC 'U' ; *** IF FPGA, 'U' IS FOR USER
2006 FE72 FC 92 FDB USRCMD
2007 ENDIF EXTOPT
2008 IFD RTCOPT
2009 FCC 'T'
2010 FDB TIMSET
2011 ENDIF RTCOPT
2011 ENDIF RTCOPT
2012 IFD TRAOPT
2013 FCC "T"
2014 FDB TRACE
2015 ENDIF TRAOPT
2015 ENDIF TRAOPT
2016 *
2017 FE74 TABEND EQU *
2018 *
2019 * ** 6809 VECTOR ADDRESSES **
2020 *
2021 * FOLLOWING ARE THE ADDRESSES OF THE VECTOR ROUTINES
2022 * FOR THE 6809 PROCESSOR. DURING INITIALIZATION THEY
2023 * ARE RELOCATED TO RAM FROM $DFC0 TO $DFCF. THEY ARE
2024 * RELOCATED TO RAM SO THAT THE USER MAY REVECTOR TO
2025 * HIS OWN ROUTINES IF HE SO DESIRES.
2026 *
2027 *
2028 FE74 F9 94 RAMVEC FDB SWIE ; USER-V
2029 FE76 F8 A7 FDB RTI ; SWI3-V
2030 FE78 F8 A7 FDB RTI ; SWI2-V
2031 FE7A F8 A7 FDB RTI ; FIRQ-V
2032 FE7C F8 A7 FDB RTI ; IRQ-V
2033 FE7E F9 94 FDB SWIE ; SWI-V
2034 FE80 FF FF FDB $FFFF ; SVC-VO
2035 FE82 FF FF FDB $FFFF ; SVC-VL
2036 *
2037 * PRINTABLE MESSAGE STRINGS
2038 *
2039 FE84 0D 0A 00 00 00 MSG1 FCB $D,$A,$0,$0,$0 * 0, CR/LF, 0
2040 FE89 53 79 73 30 39 42 FCC 'Sys09Bug 1.7 FOR '
75 67 20 31 2E 37
20 46 4F 52 20
2041 IFD SWTOPT
2042 FCC 'SWTPC'
2043 ENDIF SWTOPT
2043 ENDIF SWTOPT
2044 IFD ADSOPT
2045 FCC 'ADS6809'
2046 ENDIF ADSOPT
2046 ENDIF ADSOPT
2047 IFD B3SOPT
2048 FCC 'B3-S2+'
2049 ENDIF B3SOPT
2049 ENDIF B3SOPT
2050 IFD B5XOPT
2051 FCC 'B5-X300'
2052 ENDIF B5XOPT
2052 ENDIF B5XOPT
2053 IFD S3SOPT
2054 FCC 'S3STARTER'
2055 ENDIF S3SOPT
2055 ENDIF S3SOPT
2056 IFD S3EOPT
2057 FCC 'S3E'
2058 ENDIF S3EOPT
2058 ENDIF S3EOPT
2059 IFD XESOPT
2060 FCC 'XESS'
2061 ENDIF XESOPT
2061 ENDIF XESOPT
2062 IFD ATLOPT
2063 FE9A 41 74 6C 79 73 FCC 'Atlys'
2064 ENDIF ATLOPT
2065 IFD DE270OPT
2066 FCC 'DE2-70'
2067 ENDIF DE270OPT
2067 ENDIF DE270OPT
2068 FE9F 20 2D 20 FCC ' - '
2069 FEA2 04 FCB 4
2070 FEA3 4B 0D 0A 00 00 00 MSG2 FCB 'K,$0D,$0A,$00,$00,$00,$04 ; K,<CR>,<LF>,3 NULS,<EOT>
04
2071 FEAA 3E MSG3 FCC '>'
2072 FEAB 04 FCB 4
2073 FEAC 57 48 41 54 3F MSG4 FCC 'WHAT?'
2074 FEB1 04 FCB 4
2075 FEB2 20 2D 20 MSG5 FCC ' - '
2076 FEB5 04 FCB 4'
2077 FEB6 20 20 53 50 3D MSG10 FCC ' SP='
2078 FEBB 04 FCB 4
2079 FEBC 20 20 50 43 3D MSG11 FCC ' PC='
2080 FEC1 04 FCB 4
2081 FEC2 20 20 55 53 3D MSG12 FCC ' US='
2082 FEC7 04 FCB 4
2083 FEC8 20 20 49 59 3D MSG13 FCC ' IY='
2084 FECD 04 FCB 4
2085 FECE 20 20 49 58 3D MSG14 FCC ' IX='
2086 FED3 04 FCB 4
2087 FED4 20 20 44 50 3D MSG15 FCC ' DP='
2088 FED9 04 FCB 4
2089 FEDA 20 20 41 3D MSG16 FCC ' A='
2090 FEDE 04 FCB 4
2091 FEDF 20 20 42 3D MSG17 FCC ' B='
2092 FEE3 04 FCB 4
2093 FEE4 20 20 43 43 3A 20 MSG18 FCC ' CC: '
2094 FEEA 04 FCB 4
2095 FEEB 45 46 48 49 4E 5A MSG19 FCC 'EFHINZVC'
56 43
2096 FEF3 53 31 MSG20 FCC 'S1'
2097 FEF5 04 FCB 4
2098 IFD DATOPT
2099 *
2100 * POWER UP/ RESET/ NMI ENTRY POINT
2101 *
2102 FF00 ORG $FF00
2103 *
2104 *
2105 FF00 8E FF F0 START LDX #IC11 ; POINT TO DAT RAM IC11
2106 FF03 86 0F LDA #$0F ; GET COMPLIMENT OF ZERO
2107 *
2108 *
2109 * INITIALIZE DAT RAM --- LOADS $F-$0 IN LOCATIONS $0-$F
2110 * OF DAT RAM, THUS STORING COMPLEMENT OF MSB OF ADDRESS
2111 * IN THE DAT RAM. THE COMPLEMENT IS REQUIRED BECAUSE THE
2112 * OUTPUT OF IC11, A 74S189, IS THE INVERSE OF THE DATA
2113 * STORED IN IT.
2114 *
2115 *
2116 FF05 A7 80 DATLP STA ,X+ ; STORE & POINT TO NEXT RAM LOCATION
2117 FF07 4A DECA ; GET COMP. VALUE FOR NEXT LOCATION
2118 FF08 26 FB BNE DATLP ; ALL 16 LOCATIONS INITIALIZED ?
2119 *
2120 * NOTE: IX NOW CONTAINS $0000, DAT RAM IS NO LONGER
2121 * ADDRESSED, AND LOGICAL ADDRESSES NOW EQUAL
2122 * PHYSICAL ADDRESSES.
2123 *
2124 FF0A 86 F0 LDA #$F0
2125 FF0C A7 84 STA ,X ; STORE $F0 AT $FFFF
2126 FF0E 8E D0 A0 LDX #$D0A0 ; ASSUME RAM TO BE AT $D000-$DFFF
2127 FF11 10 8E 55 AA LDY #TSTPAT ; LOAD TEST DATA PATTERN INTO "Y"
2128 FF15 EE 84 TSTRAM LDU ,X ; SAVE DATA FROM TEST LOCATION
2129 FF17 10 AF 84 STY ,X ; STORE TEST PATTERN AT $D0A0
2130 FF1A 10 AC 84 CMPY ,X ; IS THERE RAM AT THIS LOCATION ?
2131 FF1D 27 0B BEQ CNVADR ; IF MATCH THERE'S RAM, SO SKIP
2132 FF1F 30 89 F0 00 LEAX -$1000,X ; ELSE POINT 4K LOWER
2133 FF23 8C F0 A0 CMPX #$F0A0 ; DECREMENTED PAST ZER0 YET ?
2134 FF26 26 ED BNE TSTRAM ; IF NOT CONTINUE TESTING FOR RAM
2135 FF28 20 D6 BRA START ; ELSE START ALL OVER AGAIN
2136 *
2137 *
2138 * THE FOLLOWING CODE STORES THE COMPLEMENT OF
2139 * THE MS CHARACTER OF THE FOUR CHARACTER HEX
2140 * ADDRESS OF THE FIRST 4K BLOCK OF RAM LOCATED
2141 * BY THE ROUTINE "TSTRAM" INTO THE DAT RAM. IT
2142 * IS STORED IN RAM IN THE LOCATION THAT IS
2143 * ADDRESSED WHEN THE PROCESSOR ADDRESS IS $D---,
2144 * THUS IF THE FIRST 4K BLOCK OF RAM IS FOUND
2145 * WHEN TESTING LOCATION $70A0, MEANING THERE
2146 * IS NO RAM PHYSICALLY ADDRESSED IN THE RANGE
2147 * $8000-$DFFF, THEN THE COMPLEMENT OF THE
2148 * "7" IN THE $70A0 WILL BE STORED IN
2149 * THE DAT RAM. THUS WHEN THE PROCESSOR OUTPUTS
2150 * AN ADDRESS OF $D---, THE DAT RAM WILL RESPOND
2151 * BY RECOMPLEMENTING THE "7" AND OUTPUTTING THE
2152 * 7 ONTO THE A12-A15 ADDRESS LINES. THUS THE
2153 * RAM THAT IS PHYSICALLY ADDRESSED AT $7---
2154 * WILL RESPOND AND APPEAR TO THE 6809 THAT IT
2155 * IS AT $D--- SINCE THAT IS THE ADDRESS THE
2156 * 6809 WILL BE OUTPUTING WHEN THAT 4K BLOCK
2157 * OF RAM RESPONDS.
2158 *
2159 *
2160 FF2A EF 84 CNVADR STU ,X ; RESTORE DATA AT TEST LOCATION
2161 FF2C 1F 10 TFR X,D ; PUT ADDR. OF PRESENT 4K BLOCK IN D
2162 FF2E 43 COMA ; COMPLEMENT MSB OF THAT ADDRESS
2163 FF2F 44 LSRA ; PUT MS 4 BITS OF ADDRESS IN
2164 FF30 44 LSRA ; LOCATION D0-D3 TO ALLOW STORING
2165 FF31 44 LSRA ; IT IN THE DYNAMIC ADDRESS
2166 FF32 44 LSRA ; TRANSLATION RAM.
2167 FF33 B7 FF FD STA $FFFD ; STORE XLATION FACTOR IN DAT "D"
2168 *
2169 FF36 10 CE DF C0 LDS #STACK ; INITIALIZE STACK POINTER
2170 *
2171 *
2172 * THE FOLLOWING CHECKS TO FIND THE REAL PHYSICAL ADDRESSES
2173 * OF ALL 4K BLKS OF RAM IN THE SYSTEM. WHEN EACH 4K BLK
2174 * OF RAM IS LOCATED, THE COMPLEMENT OF IT'S REAL ADDRESS
2175 * IS THEN STORED IN A "LOGICAL" TO "REAL" ADDRESS XLATION
2176 * TABLE THAT IS BUILT FROM $DFD0 TO $DFDF. FOR EXAMPLE IF
2177 * THE SYSTEM HAS RAM THAT IS PHYSICALLY LOCATED (WIRED TO
2178 * RESPOND) AT THE HEX LOCATIONS $0--- THRU $F---....
2179 *
2180 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
2181 * 4K 4K 4K 4K 4K 4K 4K 4K -- 4K 4K 4K 4K -- -- --
2182 *
2183 * ....FOR A TOTAL OF 48K OF RAM, THEN THE TRANSLATION TABLE
2184 * CREATED FROM $DFD0 TO $DFDF WILL CONSIST OF THE FOLLOWING....
2185 *
2186 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
2187 * 0F 0E 0D 0C 0B 0A 09 08 06 05 00 00 04 03 F1 F0
2188 *
2189 *
2190 * HERE WE SEE THE LOGICAL ADDRESSES OF MEMORY FROM $0000-$7FFF
2191 * HAVE NOT BEEN SELECTED FOR RELOCATION SO THAT THEIR PHYSICAL
2192 * ADDRESS WILL = THEIR LOGICAL ADDRESS; HOWEVER, THE 4K BLOCK
2193 * PHYSICALLY AT $9000 WILL HAVE ITS ADDRESS TRANSLATED SO THAT
2194 * IT WILL LOGICALLY RESPOND AT $8000. LIKEWISE $A,$B, AND $C000
2195 * WILL BE TRANSLATED TO RESPOND TO $9000,$C000, AND $D000
2196 * RESPECTIVELY. THE USER SYSTEM WILL LOGICALLY APPEAR TO HAVE
2197 * MEMORY ADDRESSED AS FOLLOWS....
2198 *
2199 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
2200 * 4K 4K 4K 4K 4K 4K 4K 4K 4K 4K -- -- 4K 4K -- --
2201 *
2202 *
2203 FF3A 10 8E DF D0 LDY #LRARAM ; POINT TO LOGICAL/REAL ADDR. TABLE
2204 FF3E A7 2D STA 13,Y ; STORE $D--- XLATION FACTOR AT $DFDD
2205 FF40 6F 2E CLR 14,Y ; CLEAR $DFDE
2206 FF42 86 F0 LDA #$F0 ; DESTINED FOR IC8 AN MEM EXPANSION ?
2207 FF44 A7 2F STA 15,Y ; STORE AT $DFDF
2208 FF46 86 0C LDA #$0C ; PRESET NUMBER OF BYTES TO CLEAR
2209 FF48 6F A6 CLRLRT CLR A,Y ; CLEAR $DFDC THRU $DFD0
2210 FF4A 4A DECA ; SUB. 1 FROM BYTES LEFT TO CLEAR
2211 FF4B 2A FB BPL CLRLRT ; CONTINUE IF NOT DONE CLEARING
2212 FF4D 30 89 F0 00 FNDRAM LEAX -$1000,X ; POINT TO NEXT LOWER 4K OF RAM
2213 FF51 8C F0 A0 CMPX #$F0A0 ; TEST FOR DECREMENT PAST ZERO
2214 FF54 27 22 BEQ FINTAB ; SKIP IF FINISHED
2215 FF56 EE 84 LDU ,X ; SAVE DATA AT CURRENT TEST LOCATION
2216 FF58 10 8E 55 AA LDY #TSTPAT ; LOAD TEST DATA PATTERN INTO Y REG.
2217 FF5C 10 AF 84 STY ,X ; STORE TEST PATT. INTO RAM TEST LOC.
2218 FF5F 10 AC 84 CMPY ,X ; VERIFY RAM AT TEST LOCATION
2219 FF62 26 E9 BNE FNDRAM ; IF NO RAM GO LOOK 4K LOWER
2220 FF64 EF 84 STU ,X ; ELSE RESTORE DATA TO TEST LOCATION
2221 FF66 10 8E DF D0 LDY #LRARAM ; POINT TO LOGICAL/REAL ADDR. TABLE
2222 FF6A 1F 10 TFR X,D ; PUT ADDR. OF PRESENT 4K BLOCK IN D
2223 FF6C 44 LSRA ; PUT MS 4 BITS OF ADDR. IN LOC. D0-D3
2224 FF6D 44 LSRA ; TO ALLOW STORING IT IN THE DAT RAM.
2225 FF6E 44 LSRA
2226 FF6F 44 LSRA
2227 FF70 1F 89 TFR A,B ; SAVE OFFSET INTO LRARAM TABLE
2228 FF72 88 0F EORA #$0F ; INVERT MSB OF ADDR. OF CURRENT 4K BLK
2229 FF74 A7 A5 STA B,Y ; SAVE TRANSLATION FACTOR IN LRARAM TABLE
2230 FF76 20 D5 BRA FNDRAM ; GO TRANSLATE ADDR. OF NEXT 4K BLK
2231 FF78 86 F1 FINTAB LDA #$F1 ; DESTINED FOR IC8 AND MEM EXPANSION ?
2232 FF7A 10 8E DF D0 LDY #LRARAM ; POINT TO LRARAM TABLE
2233 FF7E A7 2E STA 14,Y ; STORE $F1 AT $DFCE
2234 *
2235 * THE FOLLOWING CHECKS TO SEE IF THERE IS A 4K BLK OF
2236 * RAM LOCATED AT $C000-$CFFF. IF NONE THERE IT LOCATES
2237 * THE NEXT LOWER 4K BLK AN XLATES ITS ADDR SO IT
2238 * LOGICALLY RESPONDS TO THE ADDRESS $C---.
2239 *
2240 *
2241 FF80 86 0C LDA #$0C ; PRESET NUMBER HEX "C"
2242 FF82 E6 A6 FINDC LDB A,Y ; GET ENTRY FROM LRARAM TABLE
2243 FF84 26 05 BNE FOUNDC ; BRANCH IF RAM THIS PHYSICAL ADDR.
2244 FF86 4A DECA ; ELSE POINT 4K LOWER
2245 FF87 2A F9 BPL FINDC ; GO TRY AGAIN
2246 FF89 20 14 BRA XFERTF
2247 FF8B 6F A6 FOUNDC CLR A,Y ; CLR XLATION FACTOR OF 4K BLOCK FOUND
2248 FF8D E7 2C STB $0C,Y ; GIVE IT XLATION FACTOR MOVING IT TO $C---
2249 *
2250 * THE FOLLOWING CODE ADJUSTS THE TRANSLATION
2251 * FACTORS SUCH THAT ALL REMAINING RAM WILL
2252 * RESPOND TO A CONTIGUOUS BLOCK OF LOGICAL
2253 * ADDRESSES FROM $0000 AND UP....
2254 *
2255 FF8F 4F CLRA ; START AT ZERO
2256 FF90 1F 21 TFR Y,X ; START POINTER "X" START OF "LRARAM" TABLE.
2257 FF92 E6 A6 COMPRS LDB A,Y ; GET ENTRY FROM "LRARAM" TABLE
2258 FF94 27 04 BEQ PNTNXT ; IF IT'S ZER0 SKIP
2259 FF96 6F A6 CLR A,Y ; ELSE ERASE FROM TABLE
2260 FF98 E7 80 STB ,X+ ; AND ENTER ABOVE LAST ENTRY- BUMP
2261 FF9A 4C PNTNXT INCA ; GET OFFSET TO NEXT ENTRY
2262 FF9B 81 0C CMPA #$0C ; LAST ENTRY YET ?
2263 FF9D 2D F3 BLT COMPRS
2264 *
2265 * THE FOLLOWING CODE TRANSFER THE TRANSLATION
2266 * FACTORS FROM THE LRARAM TABLE TO IC11 ON
2267 * THE MP-09 CPU CARD.
2268 *
2269 FF9F 8E FF F0 XFERTF LDX #IC11 ; POINT TO DAT RAM IC11
2270 FFA2 C6 10 LDB #$10 ; GET NO. OF BYTES TO MOVE
2271 FFA4 A6 A0 FETCH LDA ,Y+ ; GET BYTE AND POINT TO NEXT
2272 FFA6 A7 80 STA ,X+ ; POKE XLATION FACTOR IN IC11
2273 FFA8 5A DECB ; SUB 1 FROM BYTES TO MOVE
2274 FFA9 26 F9 BNE FETCH ; CONTINUE UNTIL 16 MOVED
2275 *
2276 ELSE
2277 LRA RTS
2278 START LDS #STACK ; INITIALIZE STACK POINTER
2279 CLRB
2280 ENDIF DATOPT
2280 ENDIF DATOPT
2281 *
2282 FFAB 53 COMB ; SET "B" NON-ZERO
2283 FFAC F7 DF E2 STB ECHO ; TURN ON ECHO FLAG
2284 FFAF 16 F8 62 LBRA MONITOR ; INITIALIZATION IS COMPLETE
2285 *
2286 ** INTERRUPT JUMP VECTORS
2287 *
2288 FFB2 6E 9F DF C0 V1 JMP [STACK]
2289 FFB6 6E 9F DF C4 V2 JMP [SWI2]
2290 FFBA 6E 9F DF C6 V3 JMP [FIRQ]
2291 FFBE 6E 9F DF C8 V4 JMP [IRQ]
2292 FFC2 6E 9F DF CA V5 JMP [SWI]
2293 *
2294 * SWI3 ENTRY POINT
2295 *
2296 FFC6 1F 43 SWI3E TFR S,U
2297 FFC8 AE 4A LDX 10,U *$FFC8
2298 FFCA E6 80 LDB ,X+
2299 FFCC AF 4A STX 10,U
2300 FFCE 4F CLRA
2301 FFCF 58 ASLB
2302 FFD0 49 ROLA
2303 FFD1 BE DF CC LDX SVCVO
2304 FFD4 8C FF FF CMPX #$FFFF
2305 FFD7 27 0F BEQ SWI3Z
2306 FFD9 30 8B LEAX D,X
2307 FFDB BC DF CE CMPX SVCVL
2308 FFDE 22 08 BHI SWI3Z
2309 FFE0 34 10 PSHS X
2310 FFE2 EC C4 LDD ,U
2311 FFE4 AE 44 LDX 4,U
2312 FFE6 6E F1 JMP [,S++]
2313 FFE8 37 1F SWI3Z PULU A,B,X,CC,DP
2314 FFEA EE 42 LDU 2,U
2315 FFEC 6E 9F DF C2 JMP [SWI3]
2316 *
2317 * 6809 VECTORS
2318 *
2319 FFF0 ORG $FFF0
2320 FFF0 FF B2 FDB V1 USER-V
2321 FFF2 FF C6 FDB SWI3E SWI3-V
2322 FFF4 FF B6 FDB V2 SWI2-V
2323 FFF6 FF BA FDB V3 FIRQ-V
2324 FFF8 FF BE FDB V4 IRQ-V
2325 FFFA FF C2 FDB V5 SWI-V
2326 FFFC FF B2 FDB V1 NMI-V
2327 FFFE FF 00 FDB START RESTART-V
0005 END START
0006 END
Program + Init Data = 3583 bytes
Error count = 0
ACIAC1 E000
ACIAD1 E001
ACIAOPT 00FF
ACIAS E000
ACINIZ FCF9
ACIRST F1FC
ACK 0006
AJDUMP F909
ALTAD FB7E
ALTBD FB73
ALTCCD FB8B
ALTDPD FB68
ALTPC1 FB34
ALTPCD FB3C
ALTRA FB74
ALTRB FB69
ALTRCC FB7F
ALTRDP FB5E
ALTRPC FB31
ALTRU FB3D
ALTRX FB53
ALTRY FB48
ALTUD FB47
ALTXD FB5D
ALTYD FB52
AOUTCH FCE2
ATLOPT 00FF
AUXRESET 0006
AUXRSTREL 0002
BACK F8ED
BACKSP FD80
BIASCI FC7D
BLKNUM 0104
BLOAD0 F70D
BLOAD1 F71B
BLOAD2 F731
BLOAD3 F745
BOOT F700
BPADJ F9D2
BPERR F980
BPTBL DFE3
BPTEST F9C2
BRKPNT F95C
BSSTACK C0FF
BUFFER 0200
BUSY 0080
BYTCNT 0105
BYTE FC26
CAN 0018
CFLAG 0001
CF_AUX E11E
CF_BASE E100
CF_COMAND E10E
CF_CYLHI E10A
CF_CYLLO E108
CF_DATA E100
CF_ERROR E102
CF_FEATURE E102
CF_HEAD E10C
CF_SECCNT E104
CF_SECNUM E106
CF_STATUS E10E
CHANGE F8DB
CHKDRV F546
CHKSUM 0103
CHRIGHT FD88
CHRTN F8DA
CLRESC FDAE
CLRLRT FF48
CLRSCR FDD2
CLRSTK F82F
CMDREAD 0020
CMDWRITE 0030
CNVADR FF2A
COLADX DFFB
COMPRS FF92
CONTRL FD48
CPORT DFE0
CRETN FDE9
DATLP FF05
DATOPT 00FF
DELCNT 0108
DELCON 04E2
DFL1 F119
DFL2 F126
DFL3 F13A
DFL4 F1A4
DISFOS F089
DISSTK F8F1
DLY FA55
DNS F707
DRDY 0040
DRNUM F70C
DRQ 0008
DRVNUM 0100
DRVS2 F541
DRVSEL F53A
ECHO DFE2
ECHON FC96
EDPASC F948
EDPRTN F908
EDUMP F924
EFLAG 0080
ELOOP F936
EOT 0004
ERR 0001
ESCAPE FD97
ESCCL1 FDDC
ESCCLL FDD7
ESCCLS FE10
ESCCLS1 FE15
ESCCLS2 FE31
ESCCU1 FDBB
ESCCU2 FDC4
ESCCUR FDB2
ESCFLG DFFE
EXITBP F97F
EXTCMD 0000
EXTEND F035
EXTOPT 00FF
EXTTAB F02C
FETCH FFA4
FETSTA FCE7
FFLAG 0040
FFSTBL F9B9
FINDC FF82
FINTAB FF78
FIRQ DFC6
FNDBP F9C8
FNDRAM FF4D
FNDREL F84E
FORWRD F8E9
FOUNDC FF8B
GETCH F752
GETCH2 F758
GETCH4 F767
GETST1 FCBB
GETSTA FCA9
GO F8A5
GOFLEX F76A
HEADLBA 00E0
HFCOPT 00FF
HFLAG 0020
HOME FD92
IC11 FFF0
IDEBOOT F9D5
IDEOPT 00FF
IFLAG 0010
IN1ADR FC16
IN2ADR FC0B
INCH FCA1
INCHE FC9B
INCHEK FCC5
INCHEK1 FCDA
INCHEV F806
INCHKV F808
INCHV F804
INHEX FC39
INHEXA FC46
INHEXL FC51
INITDR F4BD
INTER F207
INTER0 F212
INTER1 F221
INTER2 F227
INTEST F1F6
IOINIZ FCF7
IRQ DFC8
JBYTE FB2B
JIN1ADR FB2E
JMPCMD F8A1
JMPEXT F02A
JMPTAB FE3B
JOUT1S FB28
JOUT2H FBB0
JOUT4H FB9D
LADR F70A
LINEFD FD6C
LINEUP FD77
LINLEN 0050
LOAD FA5E
LOAD1 FA69
LOAD10 FA93
LOAD16 FAA9
LOAD2 FA6C
LOAD21 FAB4
LODERR FAA8
LOOPA F81D
LRA FA2E
LRARAM DFD0
LRAV F812
MAXSEC 010C
MAXTRK 010B
MDUMP1 F902
MEMC2 F8AF
MEMCHG F8A8
MEMDUMP F8FD
MESS6 F0B2
MONEXT F000
MONIO E000
MONITOR F814
MONITV F800
MONRAM DFC0
MONROM F800
MSG1 FE84
MSG10 FEB6
MSG11 FEBC
MSG12 FEC2
MSG13 FEC8
MSG14 FECE
MSG15 FED4
MSG16 FEDA
MSG17 FEDF
MSG18 FEE4
MSG19 FEEB
MSG2 FEA3
MSG20 FEF3
MSG3 FEAA
MSG4 FEAC
MSG5 FEB2
MSGWHAT F035
NAK 0015
NEWCOL FDF5
NEWCUR FDED
NEWROW DFFD
NEXTCMD F861
NEXTEXT F002
NFLAG 0008
NMI DFC0
NOTHEX FC5C
NUMLIN 0019
NXTCH0 F88B
NXTCHR F88E
NXTCMV F802
NXTEX0 F016
NXTEX1 F019
NXTLIN F918
OUT1S FCDE
OUT2H FC67
OUT2S FCDC
OUT4H FC5F
OUTBA FC81
OUTC FC7B
OUTCH FCE0
OUTCHV F80A
OUTHL FC67
OUTHR FC6F
OUTTE1 F23C
OUTTE2 F24B
OUTTER F23A
PCLKHI 0001
PCLKLO 0000
PCRLF FB1E
PCRLFV F80E
PDATA FB8F
PDATA0 F251
PDATA1 F253
PDATAV F80C
PERIOD F952
PNTNXT FF9A
POSCOL FDEA
PRASC F954
PRINT FB8C
PROMREG E0C0
PRSTHI 0002
PRSTLO 0000
PRTA FBCE
PRTB FBD7
PRTBA FC89
PRTCC FBE0
PRTCMD F87F
PRTDP FBA9
PRTIX FBB3
PRTIY FBBC
PRTPC FBC5
PRTSP FB96
PRTUS FBA0
PS2KBD E020
PS2OPT 00FF
PSTRGV F810
PSTRNG FB1A
PUNCH FABC
PUNCH2 FAD5
PUNCH3 FAE1
PUNCH4 FAE3
PUNCHL FAFB
PUNEXT FB12
RAMVEC FE74
RCHAR F046
RCHAR1 F04B
RCHAR2 F04F
RCHAR3 F05F
RDLOOP FA03
RDLP1 F502
READ F787
READ1 F797
READSC F4F1
REGPR F9A2
REGSTR FBED
RELPAS F855
RESTR1 F4D2
RETESC FDB1
RETURN FD46
RF3 F1DB
RMAXSEC 00FF
RMAXTRK 0100
ROWADX DFFC
RPLSWI F9A8
RTI F8A7
RTOTSEC FE01
SCHAR F064
SCHAR1 F06B
SCHAR2 F06F
SCHAR3 F082
SCROL1 FE0E
SCROLL FE06
SCT F706
SCTBUF C300
SECTOR 0102
SEEK F76D
SEEKTS F4D7
SETESC FDAA
SKPDMP F921
SOH 0001
SOROU1 FD39
SOROU2 FD41
STACK DFC0
START FF00
SUB1 FA59
SVCVL DFCE
SVCVO DFCC
SWI DFCA
SWI2 DFC4
SWI3 DFC2
SWI3E FFC6
SWI3Z FFE8
SWIE F994
SYNCHI AA55
SYNCLO FF00
TABEND FE74
TADR F708
TRACK 0101
TRK F705
TSTPAT 55AA
TSTRAM FF15
UBSUB F03E
UFEXIT F1F0
UFMSG1 F0CF
UFSUB F0EA
UFSUB1 F0F3
USRCMD FC92
UXERR F40A
UXEXIT F404
UXLOOP F3B8
UXMES0 F25A
UXMES1 F273
UXMES2 F285
UXMSG3 F294
UXMSG4 F2A5
UXSUB F2BC
UXSUB1 F2C8
UXSUB2 F2F5
V1 FFB2
V2 FFB6
V3 FFBA
V4 FFBE
V5 FFC2
VDU E030
VDUATT 0001
VDUCHR 0000
VDUCOL 0002
VDUOFF 0004
VDUOPT 00FF
VDUROW 0003
VFLAG 0002
VINIZ FD0C
VOLMSG F0E1
VOUTCH FD2B
WAITDRQ FA26
WAITRDY FA17
WRITSC F515
WRTLP1 F527
WTDRQ F7B7
WTRDY F7A8
XACK F4B4
XASCII FC73
XBKPNT F988
XBPLP F98E
XBYTE0 F415
XBYTE1 F424
XFERTF FF9F
XREAD F410
XSTATE 0106
XSTBL F44D
XSTBLE F458
XSTCK F48E
XSTCK1 F49E
XSTCK2 F4AB
XSTCOM F463
XSTDA F477
XSTDA1 F489
XSTST F42D
XSTST1 F437
XSTST2 F443
XSTST3 F44A
ZFLAG 0004
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