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dilbert57 |
Assembler release DWC_2.0 version 2.11
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May 6, 2004 (c) Motorola (free ware)
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0001 NAM SYS09BUG FOR TERASIC CYCLONE II DE2-70
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0000 INCLUDE "opt_270.asm"
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0001
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0002 *
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0003 ***************************************************
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0004 * OPTION SWITCHES
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0005 ***************************************************
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0006 *
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0007 *
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0008 ** THE CONTROL PORT CAN ONLY BE ONE OF THESE
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0009 ** NOTE THAT THE ACIA WILL ALWAYS BE PRESET
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0010 ** FOR LOADING AND SAVING S1 RECORDS
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0011 *
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0012 *SWTOPT EQU $FF SWTP ACIA SERIAL CONTROL PORT
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0013 *ADSOPT EQU $FF ADS6809 & DG640 VIDEO DISPAY
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0014 *B3SOPT EQU $FF B3-SPARTAN2 FPGA VIDEO & PS2 KEYBOARD
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0015 *B5XOPT EQU $FF B5-X300 FPGA VIDEO & PS2 KEYBOARD
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0016 *S3SOPT EQU $FF SPARTAN3 STARTER FPGA VIDEO & PS2 KEYBOARD
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0017 *S3EOPT EQU $FF SPARTAN3E STARTER
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0018 *XESOPT EQU $FF XESS XSA-3S100 & XST-3.0
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0019 00FF DE270OPT EQU $FF CYCLONE II DE2-70
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0020 *
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0002 END
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0000 INCLUDE "sys09equ.asm"
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0001 *
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0002 ***************************************************
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0003 * MEMORY MAP EQUATES *
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0004 ***************************************************
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0005 E000 MONIO EQU $E000 I/O SPACE
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0006 IFD B3SOPT
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0007 MONEXT EQU $F000 START OF EXTENDED COMMANDS
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0008 EXTCMD EQU $00 EXTENDED OFFSET
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0009 ENDIF B3SOPT
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0009 ENDIF B3SOPT
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0010 IFD S3EOPT
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0011 MONRAM EQU $7FC0
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0012 ELSE
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0013 DFC0 MONRAM EQU $DFC0 STACK SPACE
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0014 ENDIF S3EOPT
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0015 F800 MONROM EQU $F800 START OF ROM
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0016 IFD S3SOPT
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0017 MONEXT EQU $F000 START OF EXTENDED COMMANDS
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0018 EXTCMD EQU $00 EXTENDED OFFSET
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0019 ENDIF S3SOPT
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0019 ENDIF S3SOPT
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0020 IFD XESOPT
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0021 MONEXT EQU $F000 START OF EXTENDED COMMANDS
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0022 EXTCMD EQU $00 EXTENDED OFFSET
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0023 ENDIF XESOPT
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0023 ENDIF XESOPT
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0024 IFD DE270OPT
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0025 F000 MONEXT EQU $F000 START OF EXTENDED COMMANDS
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0026 0000 EXTCMD EQU $00 EXTENDED OFFSET
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0027 ENDIF DE270OPT
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0028 **************************************************
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0029 **************************************************
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0030
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0031 IFD SWTOPT
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0032 *
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0033 * SOUTH WEST TECHNICAL PRODUCTS COMPUTER
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0034 *
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0035 ACIAOPT EQU $FF ACIA AT PORT 0
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0036 DMAFOPT EQU $FF DMAF2 8" FLOPPY DISK BOOT
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0037 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
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0038 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0039 ENDIF
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0039 ENDIF
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0040 *
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0041 IFD ADSOPT
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0042 *
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0043 * ACKERMAN DIGITAL ADS6809
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0044 *
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0045 DG640OPT EQU $FF DG640 VDU AT $E800
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0046 *RTCOPT EQU $FF REAL TIME CLOCK
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0047 PRTOPT EQU $FF PRINTER DRIVERS
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0048 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
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0049 ENDIF ADSOPT
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0049 ENDIF ADSOPT
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0050 *
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0051 IFD B3SOPT
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0052 *
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0053 * BURCHED SPARTAN 2 B3+
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0054 *
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0055 ACIAOPT EQU $FF ACIA AT PORT 0
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0056 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0057 VDUOPT EQU $FF VDU AT $E030
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0058 IDEOPT EQU $FF IDE AT $E100
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0059 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0060 HFCOPT EQU $FF HARDWARE FLOW CONTROL
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0061 ENDIF B3SOPT
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0061 ENDIF B3SOPT
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0062 *
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0063 IFD B5XOPT
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0064 *
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0065 * BURCHED SPARTAN 2 B5-X300
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0066 *
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0067 ACIAOPT EQU $FF ACIA AT PORT 0
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0068 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0069 VDUOPT EQU $FF VDU AT $E030
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0070 CF8OPT EQU $FF COMPACT FLASH AT $E040
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0071 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0072 HFCOPT EQU $FF HARDWARE FLOW CONTROL
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0073 ENDIF B5XOPT
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0073 ENDIF B5XOPT
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0074 *
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0075 IFD S3SOPT
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0076 *
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0077 * DIGILENT SPARTAN 3 STARTER
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0078 *
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0079 ACIAOPT EQU $FF ACIA AT PORT 0
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0080 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0081 VDUOPT EQU $FF VDU AT $E030
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0082 CF8OPT EQU $FF COMPACT FLASH AT $E040
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0083 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0084 EXTOPT EQU $FF EXTENDED COMMANDS
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0085 ENDIF S3SOPT
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0085 ENDIF S3SOPT
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0086 *
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0087 IFD S3EOPT
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0088 *
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0089 * DIGILENT SPARTAN 3E STARTER
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0090 *
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0091 ACIAOPT EQU $FF ACIA AT PORT 0
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0092 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0093 VDUOPT EQU $FF VDU AT $E030
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0094 TRAOPT EQU $FF PIA TRACE TIMER
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0095 ENDIF S3EOPT
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0095 ENDIF S3EOPT
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0096 *
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0097 IFD XESOPT
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0098 *
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0099 * XESS SPARTAN 3 XSA-3S1000 & XST-3.0
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0100 *
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0101 ACIAOPT EQU $FF ACIA AT PORT 0
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0102 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0103 VDUOPT EQU $FF VDU AT $E030
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0104 IDEOPT EQU $FF IDE AT $E100
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0105 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0106 HFCOPT EQU $FF HARDWARE FLOW CONTROL
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0107 EXTOPT EQU $FF EXTENDED COMMANDS
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0108 ENDIF XESOPT
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0108 ENDIF XESOPT
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0109 *
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0110 IFD DE270OPT
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0111 *
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0112 * TERASIC CYCLONE 2 DE2-70
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0113 *
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0114 00FF ACIAOPT EQU $FF ACIA AT PORT 0
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0115 00FF PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0116 00FF VDUOPT EQU $FF VDU AT $E030
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0117 00FF CF8OPT EQU $FF COMPACT FLASH AT $E040
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0118 00FF DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0119 00FF EXTOPT EQU $FF EXTENDED COMMANDS
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0120 ENDIF DE270OPT
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0121 *
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0122 *
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0123 IFD ACIAOPT
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0124 *
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0125 ***************************************************
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0126 * SERIAL PORT *
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0127 ***************************************************
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0128 *
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0129 ** ACIA SITS ON PORT 0
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0130 *
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0131 E000 ACIAS EQU MONIO+$00 CONTROL PORT
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0132 *
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0133 ENDIF ACIAOPT
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0134 IFD MFDCOPT
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0135 *
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0136 ***************************************************
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0137 * MINIFLOPPY DRIVE *
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0138 ***************************************************
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0139 *
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0140 ** FLOPPY DISK CONTROLLER SITS ON PORT 1
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0141 *
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0142 DRVFDC EQU MONIO+$14
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0143 CMDFDC EQU MONIO+$18
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0144 SECFDC EQU MONIO+$1A
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0145 DATFDC EQU MONIO+$1B
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0146 ENDIF MFDCOPT
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0146 ENDIF MFDCOPT
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0147 IFD PS2OPT
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0148 *
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0149 ***************************************************
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0150 * VDU8 PS/2 KEYBOARD PORT *
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0151 ***************************************************
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0152 *
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0153 ** KEYBOARD SITS ON PORT 2
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0154 *
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0155 E020 PS2KBD EQU MONIO+$20 PS/2 KEYBOARD PORT
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0156 ENDIF PS2OPT
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0157 IFD VDUOPT
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0158 *
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0159 ***************************************************
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0160 * VDU8 DISPLAY DRIVER EQUATES *
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0161 ***************************************************
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0162 *
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0163 ** VDU8 DISPLAY SITS ON PORT 3
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0164 *
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0165 E030 VDU EQU MONIO+$30
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0166 0000 VDUCHR EQU 0 CHARACTER REGISTER
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0167 0001 VDUATT EQU 1 ATTRIBUTE REGISTER
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0168 0002 VDUCOL EQU 2 CURSOR COLUMN
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0169 0003 VDUROW EQU 3 CURSOR ROW
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0170 0004 VDUOFF EQU 4 ROW OFFSET
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0171 *
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0172 0050 LINLEN EQU 80 LENGTH OF A LINE
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0173 0019 NUMLIN EQU 25 NUMBER OF LINES
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0174 ENDIF VDUOPT
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0175 *
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0176 IFD CF8OPT
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0177 *
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0178 ***************************************************
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0179 * COMPACT FLASH EQUATES 8 BIT TRANSFER *
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0180 ***************************************************
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0181 *
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0182 ** COMPACT FLASH SITS AT PORT 4
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0183 *
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0184 E040 CF_BASE EQU MONIO+$40
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0185 E040 CF_DATA EQU CF_BASE+0
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0186 E041 CF_ERROR EQU CF_BASE+1 ; read error
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0187 E041 CF_FEATURE EQU CF_BASE+1 ; write feature
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0188 E042 CF_SECCNT EQU CF_BASE+2
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0189 E043 CF_SECNUM EQU CF_BASE+3
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0190 E044 CF_CYLLO EQU CF_BASE+4
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0191 E045 CF_CYLHI EQU CF_BASE+5
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0192 E046 CF_HEAD EQU CF_BASE+6
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0193 E047 CF_STATUS EQU CF_BASE+7 ; read status
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0194 E047 CF_COMAND EQU CF_BASE+7 ; write command
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0195 *
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0196 * Command Equates
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0197 *
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0198 0020 CMDREAD EQU $20 ; Read Single sector
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0199 0030 CMDWRITE EQU $30 ; Write Single sector
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0200 00EF CMDFEATURE EQU $EF
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0201 0001 FEAT8BIT EQU $01 ; enable 8 bit transfers
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0202 00E0 HEADLBA EQU $E0
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0203 *
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0204 * Status bit equates
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0205 *
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0206 0080 BUSY EQU $80
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0207 0040 DRDY EQU $40
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0208 0008 DRQ EQU $08
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0209 0001 ERR EQU $01
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0210 *
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| 248 |
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0211 ENDIF CF8OPT
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0212 *
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| 250 |
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0213 IFD IDEOPT
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| 251 |
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0214 *
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| 252 |
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0215 ***************************************************
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| 253 |
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0216 * COMPACT FLASH EQUATES 16 BIT TRANSFER (XESS) *
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| 254 |
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0217 ***************************************************
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| 255 |
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0218 *
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| 256 |
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0219 ** COMPACT FLASH SITS AT PORT 4
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| 257 |
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0220 *
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| 258 |
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0221 CF_BASE EQU MONIO+$0100
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| 259 |
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0222 CF_DATA EQU CF_BASE+0
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| 260 |
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0223 CF_ERROR EQU CF_BASE+2 ; read error
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| 261 |
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0224 CF_FEATURE EQU CF_BASE+2 ; write feature
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| 262 |
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0225 CF_SECCNT EQU CF_BASE+4
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| 263 |
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0226 CF_SECNUM EQU CF_BASE+6
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| 264 |
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0227 CF_CYLLO EQU CF_BASE+8
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| 265 |
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0228 CF_CYLHI EQU CF_BASE+10
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| 266 |
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0229 CF_HEAD EQU CF_BASE+12
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| 267 |
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0230 CF_STATUS EQU CF_BASE+14 ; read status
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| 268 |
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0231 CF_COMAND EQU CF_BASE+14 ; write command
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| 269 |
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0232 CF_AUX EQU CF_BASE+30
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| 270 |
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0233 *
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| 271 |
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0234 * Command Equates
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| 272 |
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0235 *
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| 273 |
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0236 CMDREAD EQU $20 ; Read Single sector
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| 274 |
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0237 CMDWRITE EQU $30 ; Write Single sector
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| 275 |
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0238 AUXRESET EQU $06 ; Reset IDE
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| 276 |
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0239 AUXRSTREL EQU $02 ; Reset release IRQ masked
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| 277 |
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0240 HEADLBA EQU $E0
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| 278 |
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0241 *
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| 279 |
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0242 * Status bit equates
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| 280 |
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0243 *
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| 281 |
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0244 BUSY EQU $80
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| 282 |
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0245 DRDY EQU $40
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| 283 |
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0246 DRQ EQU $08
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| 284 |
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0247 ERR EQU $01
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| 285 |
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0248 *
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| 286 |
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0249 ENDIF CF8OPT
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| 287 |
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0249 ENDIF CF8OPT
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| 288 |
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0250 *
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| 289 |
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0251 IFD RTCOPT
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| 290 |
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0252 *
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| 291 |
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0253 **************************************************
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| 292 |
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0254 * MM58167A REAL TIME CLOCK MEMORY MAP:
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| 293 |
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0255 **************************************************
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| 294 |
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0256 *
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| 295 |
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0257 ** REAL TIME CLOCK SITS ON PORT 4 AND PORT 5
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| 296 |
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0258 *
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| 297 |
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0259 CLOCK EQU MONIO+$40 CLOCK BASE ADDRESS AND REGISTERS
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| 298 |
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0260 *
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| 299 |
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0261 * COUNTER AND COMPARITOR REGISTERS:
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| 300 |
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0262 *
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| 301 |
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0263 * Both the Clock Counter and Clock Comparitor
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| 302 |
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0264 * consist of 8 registers for holding the time.
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| 303 |
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0265 * The register offsets from the Counter and
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| 304 |
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0266 * Comparitor registers are listed above.
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| 305 |
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0267 *
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| 306 |
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0268 COUNTR EQU CLOCK+0
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| 307 |
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0269 CMPRAM EQU CLOCK+8 COMPARITOR REGISTERS
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| 308 |
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0270 *
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| 309 |
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0271 * CLOCK REGISTER OFFSETS:
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| 310 |
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0272 * These register offsets are used for the CLOCK
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| 311 |
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0273 * and comparitor ram CMPRAM.
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| 312 |
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0274 *
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| 313 |
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0275 S10000 EQU 0 TEN THOUNSANDTHS OF SECONDS
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| 314 |
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0276 S100 EQU 1 HUNDRETHS AND TENTHS OF SECONDS
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| 315 |
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0277 SECOND EQU 2
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| 316 |
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0278 MINUIT EQU 3
|
| 317 |
|
|
0279 HOUR EQU 4
|
| 318 |
|
|
0280 WKDAY EQU 5
|
| 319 |
|
|
0281 MTHDAY EQU 6
|
| 320 |
|
|
0282 MONTH EQU 7
|
| 321 |
|
|
0283 *
|
| 322 |
|
|
0284 * INTERRUPT OUTPUT REGISTERS:
|
| 323 |
|
|
0285 *
|
| 324 |
|
|
0286 * An interrupt output may be generated at the
|
| 325 |
|
|
0287 * following rates by setting the appropriate bit
|
| 326 |
|
|
0288 * in the Interrupt Control Register (CINTCR).
|
| 327 |
|
|
0289 * The Interrupt Status Register (CINTSR) must be
|
| 328 |
|
|
0290 * read to clear the interrupt and will return
|
| 329 |
|
|
0291 * the source of the interrupt.
|
| 330 |
|
|
0292 *
|
| 331 |
|
|
0293 * 1/Month Bit 7
|
| 332 |
|
|
0294 * 1/Week Bit 6
|
| 333 |
|
|
0295 * 1/Day Bit 5
|
| 334 |
|
|
0296 * 1/Hour Bit 4
|
| 335 |
|
|
0297 * 1/Minuite Bit 3
|
| 336 |
|
|
0298 * 1/Second Bit 2
|
| 337 |
|
|
0299 * 10/Second Bit 1
|
| 338 |
|
|
0300 * Comparitor Bit 0
|
| 339 |
|
|
0301 *
|
| 340 |
|
|
0302 CINTSR EQU CLOCK+16 INTERRUPT STATUS REGISTER
|
| 341 |
|
|
0303 CINTCR EQU CLOCK+17 INTERRUPT CONTROL REGISTER
|
| 342 |
|
|
0304 *
|
| 343 |
|
|
0305 * COUNTER AND RAM RESETS; GO COMMAND.
|
| 344 |
|
|
0306 *
|
| 345 |
|
|
0307 * The counter and comparitor may be reset
|
| 346 |
|
|
0308 * by writing $FF into CTRRES and CMPRES
|
| 347 |
|
|
0309 * respectivly.
|
| 348 |
|
|
0310 * A write to the Go command register (GOCMND)
|
| 349 |
|
|
0311 * will reset the 1/1000ths, 1/100ths and 1/10ths
|
| 350 |
|
|
0312 * of a second counter.
|
| 351 |
|
|
0313 *
|
| 352 |
|
|
0314 CTRRES EQU CLOCK+18 COUNTER RESET
|
| 353 |
|
|
0315 CMPRES EQU CLOCK+19 COMPARITOR RAM RESET
|
| 354 |
|
|
0316 GOCMND EQU CLOCK+21 GO COMMAND
|
| 355 |
|
|
0317 *
|
| 356 |
|
|
0318 * CLOCK STATUS REGISTER.
|
| 357 |
|
|
0319 *
|
| 358 |
|
|
0320 * The counter takes 61 usec. to rollover for
|
| 359 |
|
|
0321 * every 1KHz clock pulse. If the Status bit is
|
| 360 |
|
|
0322 * set after reading the counter, the counter
|
| 361 |
|
|
0323 * should be re-read to ensure the time is correct.
|
| 362 |
|
|
0324 *
|
| 363 |
|
|
0325 CLKSTA EQU CLOCK+20 STATUS BIT
|
| 364 |
|
|
0326 SBYINT EQU CLOCK+22 STANDBY INTERRUPT
|
| 365 |
|
|
0327 TSTMOD EQU CLOCK+31 TEST MODE REGISTER
|
| 366 |
|
|
0328 ENDIF RTCOPT
|
| 367 |
|
|
0328 ENDIF RTCOPT
|
| 368 |
|
|
0329 *
|
| 369 |
|
|
0330 IFD TRAOPT
|
| 370 |
|
|
0331 *
|
| 371 |
|
|
0332 **************************************************
|
| 372 |
|
|
0333 * PIA INTERRUPT TIMER
|
| 373 |
|
|
0334 **************************************************
|
| 374 |
|
|
0335 *
|
| 375 |
|
|
0336 ** PIA INTERRUPT TIMER SITS ON PORT 7
|
| 376 |
|
|
0337 *
|
| 377 |
|
|
0338 ** PIA TIMER FOR SINGLE STEP / TRACE
|
| 378 |
|
|
0339 *
|
| 379 |
|
|
0340 * TADATA = Output = Timer preset register
|
| 380 |
|
|
0341 * TACTRL - CA1 = input = rising edge = NMI
|
| 381 |
|
|
0342 * - CA2 = Output = Timer Reset (Active High)
|
| 382 |
|
|
0343 * TBDATA = Input = Timer read back register
|
| 383 |
|
|
0344 * TBCTRL - CB1 = input = rising edge = FIRQ
|
| 384 |
|
|
0345 * - CB2 = output = strobe low on write to TBDATA = Timer Preset
|
| 385 |
|
|
0346 *
|
| 386 |
|
|
0347 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
| 387 |
|
|
0348 * CRA1 = 1 CA1 Rising edge IRQ
|
| 388 |
|
|
0349 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
| 389 |
|
|
0350 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
| 390 |
|
|
0351 * CRA4 = 1 ] CA2 = Set/Reset output
|
| 391 |
|
|
0352 * CRA5 = 1 ]
|
| 392 |
|
|
0353 * CRA6 = X CA2 Input Interrupt Flag
|
| 393 |
|
|
0354 * CRA7 = X CA1 Interrupt Flag
|
| 394 |
|
|
0355 *
|
| 395 |
|
|
0356 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
| 396 |
|
|
0357 * CRB1 = 1 CB1 Rising edge IRQ
|
| 397 |
|
|
0358 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
| 398 |
|
|
0359 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
| 399 |
|
|
0360 * CRB4 = 1 ] CB2 = Set/Reset output
|
| 400 |
|
|
0361 * CRB5 = 1 ]
|
| 401 |
|
|
0362 * CRB6 = X CB2 Input Interrupt Flag
|
| 402 |
|
|
0363 * CRB7 = X CB1 Interrupt Flag
|
| 403 |
|
|
0364 *
|
| 404 |
|
|
0365 * DDRA = 0 TADATA = Input, DDRA = 1 TADATA = Output
|
| 405 |
|
|
0366 * DDRB = 0 TBDATA = Input, DDRB = 1 TBDATA = Output
|
| 406 |
|
|
0367 *
|
| 407 |
|
|
0368 TADATA EQU MONIO+$70 Timer preset port
|
| 408 |
|
|
0369 TACTRL EQU MONIO+$71
|
| 409 |
|
|
0370 TBDATA EQU MONIO+$72 Timer read back port
|
| 410 |
|
|
0371 TBCTRL EQU MONIO+$73
|
| 411 |
|
|
0372 *
|
| 412 |
|
|
0373 TRADEL EQU 13 Number of E cycles for RTI (May need to be fudged)
|
| 413 |
|
|
0374 *
|
| 414 |
|
|
0375 ENDIF TRAOPT
|
| 415 |
|
|
0375 ENDIF TRAOPT
|
| 416 |
|
|
0376 IFD ADSOPT
|
| 417 |
|
|
0377 *
|
| 418 |
|
|
0378 ***************************************************
|
| 419 |
|
|
0379 * SERIAL PORT FOR DG640 *
|
| 420 |
|
|
0380 ***************************************************
|
| 421 |
|
|
0381 *
|
| 422 |
|
|
0382 ** SET UP FOR ACKERMAN DIGITAL ADS6809
|
| 423 |
|
|
0383 ** THE ADS6809 S100 BOAD HAS AN ON BOARD ACIA
|
| 424 |
|
|
0384 *
|
| 425 |
|
|
0385 ACIAS EQU MONIO+$400 CONTROL PORT
|
| 426 |
|
|
0386 *
|
| 427 |
|
|
0387 ENDIF ADSOPT
|
| 428 |
|
|
0387 ENDIF ADSOPT
|
| 429 |
|
|
0388 IFD PRTOPT
|
| 430 |
|
|
0389 *
|
| 431 |
|
|
0390 ***************************************************
|
| 432 |
|
|
0391 * PRINTER INTERFACE *
|
| 433 |
|
|
0392 ***************************************************
|
| 434 |
|
|
0393 *
|
| 435 |
|
|
0394 PADATA EQU MONIO+$404
|
| 436 |
|
|
0395 PACTRL EQU MONIO+$405
|
| 437 |
|
|
0396 PBDATA EQU MONIO+$406
|
| 438 |
|
|
0397 PBCTRL EQU MONIO+$407
|
| 439 |
|
|
0398 *
|
| 440 |
|
|
0399 ** CB1 ACK. I/P
|
| 441 |
|
|
0400 ** CB2 STB. O/P
|
| 442 |
|
|
0401 ** PB0 - PB7 DATA 1 - 8 O/P
|
| 443 |
|
|
0402 ** PORT A BIT ASSIGNMENT
|
| 444 |
|
|
0403 *
|
| 445 |
|
|
0404 PBUSY EQU $80 I/P
|
| 446 |
|
|
0405 PEMPTY EQU $40 I/P
|
| 447 |
|
|
0406 SELECT EQU $20 I/P
|
| 448 |
|
|
0407 PERROR EQU $10 I/P
|
| 449 |
|
|
0408 PRESET EQU %00000100 O/P PA3 = 0
|
| 450 |
|
|
0409 AUTOFD EQU %00001000 O/P PA2 = 0
|
| 451 |
|
|
0410 DIRMSK EQU %00001100
|
| 452 |
|
|
0411 ENDIF PRTOPT
|
| 453 |
|
|
0411 ENDIF PRTOPT
|
| 454 |
|
|
0412 IFD DG640OPT
|
| 455 |
|
|
0413 *
|
| 456 |
|
|
0414 ***************************************************
|
| 457 |
|
|
0415 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
|
| 458 |
|
|
0416 ***************************************************
|
| 459 |
|
|
0417 *
|
| 460 |
|
|
0418 ** VIDEO DISPLAY DEFINITIONS
|
| 461 |
|
|
0419 *
|
| 462 |
|
|
0420 SCREEN EQU MONIO+$0800 START OF SCREEN MEMORY
|
| 463 |
|
|
0421 LINLEN EQU 64 LENGTH OF A LINE
|
| 464 |
|
|
0422 NUMLIN EQU 16 NUMBER OF LINES
|
| 465 |
|
|
0423 SCNLEN EQU $400 LENGTH OF SCREEN
|
| 466 |
|
|
0424 ENDIF DG640OPT
|
| 467 |
|
|
0424 ENDIF DG640OPT
|
| 468 |
|
|
0425 *
|
| 469 |
|
|
0426 IFD DMAFOPT
|
| 470 |
|
|
0427 *
|
| 471 |
|
|
0428 ***************************************************
|
| 472 |
|
|
0429 * DMAF2 8" DRIVE *
|
| 473 |
|
|
0430 ***************************************************
|
| 474 |
|
|
0431 *
|
| 475 |
|
|
0432 ADDREG EQU $F000 ADDRESS REGISTER
|
| 476 |
|
|
0433 CNTREG EQU $F002 COUNT REGISTER
|
| 477 |
|
|
0434 CCREG EQU $F010 CHANNEL CONTROL REGISTER
|
| 478 |
|
|
0435 PRIREG EQU $F014 DMA PRIORITY REGISTER
|
| 479 |
|
|
0436 AAAREG EQU $F015 ???
|
| 480 |
|
|
0437 BBBREG EQU $F016 ???
|
| 481 |
|
|
0438 COMREG EQU $F020 1791 COMMAND REGISTER
|
| 482 |
|
|
0439 SECREG EQU $F022 SECTOR REGISTER
|
| 483 |
|
|
0440 DRVREG EQU $F024 DRIVE SELECT LATCH
|
| 484 |
|
|
0441 CCCREG EQU $F040 ???
|
| 485 |
|
|
0442 ENDIF DMAFOPT
|
| 486 |
|
|
0442 ENDIF DMAFOPT
|
| 487 |
|
|
0443 IFD DATOPT
|
| 488 |
|
|
0444 **************************************************
|
| 489 |
|
|
0445 * DYNAMIC ADDRESS TRANSLATION REGISTERS *
|
| 490 |
|
|
0446 **************************************************
|
| 491 |
|
|
0447 *
|
| 492 |
|
|
0448 FFF0 IC11 EQU $FFF0 DAT RAM CHIP
|
| 493 |
|
|
0449 55AA TSTPAT EQU $55AA TEST PATTERN
|
| 494 |
|
|
0450 ENDIF DATOPT
|
| 495 |
|
|
0451 *
|
| 496 |
|
|
0003 END
|
| 497 |
|
|
0000 INCLUDE "sys09bug.asm"
|
| 498 |
|
|
0001 * NAM SYS09BUG12 SYSTEM09 MONITOR
|
| 499 |
|
|
0002 OPT l
|
| 500 |
|
|
|
| 501 |
|
|
|
| 502 |
|
|
sys09bug.asm page 2
|
| 503 |
|
|
0004 *
|
| 504 |
|
|
0005 * MONITOR PROGRAM FOR THE SOUTHWEST TECHNICAL
|
| 505 |
|
|
0006 * PRODUCTS MP-09 CPU BOARD AS COMMENTED BY....
|
| 506 |
|
|
0007 *
|
| 507 |
|
|
0008 * ALLEN CLARK WALLACE WATSON
|
| 508 |
|
|
0009 * 2502 REGAL OAKS LANE 4815 EAST 97th AVE.
|
| 509 |
|
|
0010 * LUTZ, FLA. 33549 TEMPLE TERRACE, FLA. 33617
|
| 510 |
|
|
0011 * PH. 813-977-0347 PH. 813-985-1359
|
| 511 |
|
|
0012 *
|
| 512 |
|
|
0013 * MODIFIED TO SBUG09 VER 1.8 BY: RANDY JARRETT
|
| 513 |
|
|
0014 * 2561 NANTUCKET DR APT. E
|
| 514 |
|
|
0015 * ATLANTA, GA 30345
|
| 515 |
|
|
0016 * PH. 404-320-1043
|
| 516 |
|
|
0017 *
|
| 517 |
|
|
0018 * MODIFIED TO SYS09BUG VER 1.0
|
| 518 |
|
|
0019 * FOR: SYSTEM09 FPGA SYSTEM
|
| 519 |
|
|
0020 * BY: JOHN KENT
|
| 520 |
|
|
0021 * DATE: 21ST NOVEMBER 2006
|
| 521 |
|
|
0022 * REMOVED: DISK BOOTS
|
| 522 |
|
|
0023 * MEMORY TEST
|
| 523 |
|
|
0024 * ADDED: ADM3A VDU DRIVER
|
| 524 |
|
|
0025 *
|
| 525 |
|
|
0026 * MODIFIED TO SYS09BUG VER 1.1
|
| 526 |
|
|
0027 * BY: JOHN KENT
|
| 527 |
|
|
0028 * DATE: 7TH JANUARY 2007
|
| 528 |
|
|
0029 * ADDED: 'U' USER EXTENTION COMMANDS AT $F000
|
| 529 |
|
|
0030 * CONDITIONAL ASSEMBLY OF FLOPPY BOOTS
|
| 530 |
|
|
0031 * AND REALTIME CLOCK
|
| 531 |
|
|
0032 *
|
| 532 |
|
|
0033 * MODIFIED TO SYS09BUG VER 1.2
|
| 533 |
|
|
0034 * BY: JOHN KENT
|
| 534 |
|
|
0035 * DATE: 21ST MAY 2007
|
| 535 |
|
|
0036 * ADDED: COMPACT FLASH BOOT TO FPGA VERSION
|
| 536 |
|
|
0037 * REMOVED PORT REDIRECTION ON PUNCH & LOAD
|
| 537 |
|
|
0038 *
|
| 538 |
|
|
0039 * Modified to SYS09BUG VER 1.3
|
| 539 |
|
|
0040 * BY: JOHN KENT
|
| 540 |
|
|
0041 * DATE: 8TH JAN 2008
|
| 541 |
|
|
0042 * ADDED: CONDITIONALS FOR SPARTAN3E STARTER BOARD
|
| 542 |
|
|
0043 * WITH ONLY 32K OF RAM
|
| 543 |
|
|
0044 *
|
| 544 |
|
|
0045 * Modified to SYS09BUG VER 1.4
|
| 545 |
|
|
0046 * BY: JOHN KENT
|
| 546 |
|
|
0047 * DATE: 3RD FEB 2008
|
| 547 |
|
|
0048 * ADDED: CONDITIONALS FOR XESS BOARD WITH IDE
|
| 548 |
|
|
0049 * SEPERATE CONDITIONAL FOR S3 STARTER AND B5-X300
|
| 549 |
|
|
0050 * 16 BIT IDE DISK BOOT STRAP ROUTINE
|
| 550 |
|
|
0051 *
|
| 551 |
|
|
0052 * Modified to SYS09BUG VER 1.5
|
| 552 |
|
|
0053 * BY: JOHN KENT
|
| 553 |
|
|
0054 * DATE: 7TH SEP 2008
|
| 554 |
|
|
0055 * ADDED: ADDED "B3-S2+" STRING
|
| 555 |
|
|
0056 *
|
| 556 |
|
|
0057 * Modified to SYS09BUG VER 1.6
|
| 557 |
|
|
0058 * BY: JOHN KENT
|
| 558 |
|
|
0059 * DATE: 2ND DEC 2008
|
| 559 |
|
|
0060 * ADDED: ADDED HARDWARE FLOW CONTROL
|
| 560 |
|
|
0061 *
|
| 561 |
|
|
0062 * CHANGED: SEPARARTED OPTIONS EQUATES AND BODY INTO SEPARATE FILES
|
| 562 |
|
|
0063 *
|
| 563 |
|
|
0064 * Modified to SYS09BUG VER 1.7
|
| 564 |
|
|
0065 * BY: JOHN KENT
|
| 565 |
|
|
0066 * DATE: 16TH OCT 2010
|
| 566 |
|
|
0067 * ADDED: "DE2-70" STRING
|
| 567 |
|
|
0068 *
|
| 568 |
|
|
0069 * *** COMMANDS ***
|
| 569 |
|
|
0070 *
|
| 570 |
|
|
0071 * CONTROL A = ALTER THE "A" ACCUMULATOR
|
| 571 |
|
|
0072 * CONTROL B = ALTER THE "B" ACCUMULATOR
|
| 572 |
|
|
0073 * CONTROL C = ALTER THE CONDITION CODE REGISTER
|
| 573 |
|
|
0074 * CONTROL D = ALTER THE DIRECT PAGE REGISTER
|
| 574 |
|
|
0075 * CONTROL P = ALTER THE PROGRAM COUNTER
|
| 575 |
|
|
0076 * CONTROL U = ALTER USER STACK POINTER
|
| 576 |
|
|
0077 * CONTROL X = ALTER "X" INDEX REGISTER
|
| 577 |
|
|
0078 * CONTROL Y = ALTER "Y" INDEX REGISTER
|
| 578 |
|
|
0079 * B hhhh = SET BREAKPOINT AT LOCATION $hhhh
|
| 579 |
|
|
0080 * D = 5.25" MINIFLOPPY BOOT
|
| 580 |
|
|
0081 * E ssss-eeee = EXAMINE MEMORY
|
| 581 |
|
|
0082 * FROM STARTING ADDRESS ssss
|
| 582 |
|
|
0083 * TO ENDING ADDRESS eeee.
|
| 583 |
|
|
0084 * G = CONTINUE EXECUTION FROM BREAKPOINT OR SWI
|
| 584 |
|
|
0085 * L = LOAD TAPE
|
| 585 |
|
|
0086 * M hhhh = EXAMINE AND CHANGE MEMORY LOCATION hhhh
|
| 586 |
|
|
0087 * P ssss-eeee = PUNCH TAPE, START ssss TO END eeee ADDR.
|
| 587 |
|
|
0088 * R = DISPLAY REGISTER CONTENTS
|
| 588 |
|
|
0089 * S = DISPLAY STACK FROM ssss TO $DFC0
|
| 589 |
|
|
0090 * U = 8" DMAF2 FLOPPY BOOT
|
| 590 |
|
|
0091 * U = USER EXTENSION COMMANDS AT $F000
|
| 591 |
|
|
0092 * X = REMOVE ALL BREAKPOINTS
|
| 592 |
|
|
0093 *
|
| 593 |
|
|
0094 *
|
| 594 |
|
|
0095 ***************************************************
|
| 595 |
|
|
0096 * SYS09BUG VARIABLE SPACE
|
| 596 |
|
|
0097 ***************************************************
|
| 597 |
|
|
0098 *
|
| 598 |
|
|
0099 DFC0 ORG MONRAM
|
| 599 |
|
|
0100 DFC0 STACK EQU * ; TOP OF INTERNAL STACK
|
| 600 |
|
|
0101 DFC0 NMI RMB 2 ; USER NMI VECTOR
|
| 601 |
|
|
0102 DFC2 SWI3 RMB 2 ; SOFTWARE INTERRUPT VECTOR #3
|
| 602 |
|
|
0103 DFC4 SWI2 RMB 2 ; SOFTWARE INTERRUPT VECTOR #2
|
| 603 |
|
|
0104 DFC6 FIRQ RMB 2 ; FAST INTERRUPT VECTOR
|
| 604 |
|
|
0105 DFC8 IRQ RMB 2 ; INTERRUPT VECTOR
|
| 605 |
|
|
0106 DFCA SWI RMB 2 ; SOFTWARE INTERRUPT VECTOR
|
| 606 |
|
|
0107 DFCC SVCVO RMB 2 ; SUPERVISOR CALL VECTOR ORGIN
|
| 607 |
|
|
0108 DFCE SVCVL RMB 2 ; SUPERVISOR CALL VECTOR LIMIT
|
| 608 |
|
|
0109 IFD DATOPT
|
| 609 |
|
|
0110 DFD0 LRARAM RMB 16 ; LRA ADDRESSES
|
| 610 |
|
|
0111 ENDIF DATOPT
|
| 611 |
|
|
0112 DFE0 CPORT RMB 2 ; RE-VECTORABLE CONTROL PORT
|
| 612 |
|
|
0113 DFE2 ECHO RMB 1 ; ECHO FLAG
|
| 613 |
|
|
0114 DFE3 BPTBL RMB 24 ; BREAKPOINT TABLE BASE ADDR
|
| 614 |
|
|
0115 IFD TRAOPT
|
| 615 |
|
|
0116 NMISAV RMB 2 ; NMI Jump Vector Backup
|
| 616 |
|
|
0117 TRACNT RMB 2 ; Trace Count
|
| 617 |
|
|
0118 ENDIF TRAOPT
|
| 618 |
|
|
0118 ENDIF TRAOPT
|
| 619 |
|
|
0119 IFD VDUOPT
|
| 620 |
|
|
0120 *
|
| 621 |
|
|
0121 **************************************************
|
| 622 |
|
|
0122 * VDU8 DISPLAY DRIVER VARIABLES *
|
| 623 |
|
|
0123 **************************************************
|
| 624 |
|
|
0124 *
|
| 625 |
|
|
0125 **** ALWAYS KEEP COLADX AND ROWADX TOGETHER ******
|
| 626 |
|
|
0126 DFFB COLADX RMB 1 ; CURSOR COLUMN
|
| 627 |
|
|
0127 DFFC ROWADX RMB 1 ; CURSOR ROW
|
| 628 |
|
|
0128 **************************************************
|
| 629 |
|
|
0129 *
|
| 630 |
|
|
0130 DFFD NEWROW RMB 1 ; NEW ROW TEMP FOR ESCAPE
|
| 631 |
|
|
0131 DFFE ESCFLG RMB 1 ; ESCAPE SEQUENCE ACTIVE
|
| 632 |
|
|
0132 ENDIF VDUOPT
|
| 633 |
|
|
0133 IFD DG640OPT
|
| 634 |
|
|
0134 *
|
| 635 |
|
|
0135 ***************************************************
|
| 636 |
|
|
0136 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
|
| 637 |
|
|
0137 ***************************************************
|
| 638 |
|
|
0138 *
|
| 639 |
|
|
0139 ***** ALWAYS KEEP THESE TWO BYTES TOGETHER *****
|
| 640 |
|
|
0140 COLADX RMB 1 ; CURSOR COLUMN
|
| 641 |
|
|
0141 ROWADX RMB 1 ; CURSOR ROW
|
| 642 |
|
|
0142 *************************************************
|
| 643 |
|
|
0143 CURSOR RMB 2 ; ABSOLUTE SCREEN ADDRESS
|
| 644 |
|
|
0144 NEWROW RMB 1 ; NEW ROW TEMP FOR ESCAPE
|
| 645 |
|
|
0145 ESCFLG RMB 1 ; ESCAPE SEQUENCE ACTIVE
|
| 646 |
|
|
0146 ENDIF DG640OPT
|
| 647 |
|
|
0146 ENDIF DG640OPT
|
| 648 |
|
|
0147 *
|
| 649 |
|
|
0148 *
|
| 650 |
|
|
0149 ***************************************************
|
| 651 |
|
|
0150 * START OF ROM *
|
| 652 |
|
|
0151 ***************************************************
|
| 653 |
|
|
0152 *
|
| 654 |
|
|
0153 F800 ORG MONROM
|
| 655 |
|
|
0154 F800 F8 14 FDB MONITOR
|
| 656 |
|
|
0155 F802 F8 61 FDB NEXTCMD
|
| 657 |
|
|
0156 F804 FC A1 FDB INCH
|
| 658 |
|
|
0157 F806 FC 9B FDB INCHE
|
| 659 |
|
|
0158 F808 FC B9 FDB INCHEK
|
| 660 |
|
|
0159 F80A FC CE FDB OUTCH
|
| 661 |
|
|
0160 F80C FB 8F FDB PDATA
|
| 662 |
|
|
0161 F80E FB 1E FDB PCRLF
|
| 663 |
|
|
0162 F810 FB 1A FDB PSTRNG
|
| 664 |
|
|
0163 F812 FA 2E FDB LRA
|
| 665 |
|
|
0164 *
|
| 666 |
|
|
0165 IFD ADSOPT
|
| 667 |
|
|
0166 FDB PCHK ; CHECK FOR PRINTER INPUT
|
| 668 |
|
|
0167 FDB PINIZ ; INITIATE PRINTER
|
| 669 |
|
|
0168 FDB POUTCH ; OUTPUT CH. TO PRINTER
|
| 670 |
|
|
0169 FDB VINIZ
|
| 671 |
|
|
0170 FDB VOUTCH
|
| 672 |
|
|
0171 FDB ACINIZ
|
| 673 |
|
|
0172 FDB AOUTCH
|
| 674 |
|
|
0173 ENDIF ADSOPT
|
| 675 |
|
|
0173 ENDIF ADSOPT
|
| 676 |
|
|
0174 *
|
| 677 |
|
|
0175 * MONITOR
|
| 678 |
|
|
0176 *
|
| 679 |
|
|
0177 * VECTOR ADDRESS STRING IS.....
|
| 680 |
|
|
0178 * $F8A1-$F8A1-$F8A1-$F8A1-$F8A1-$FAB0-$FFFF-$FFFF
|
| 681 |
|
|
0179 *
|
| 682 |
|
|
0180 F814 8E FE 62 MONITOR LDX #RAMVEC ; POINT TO VECTOR ADDR. STRING
|
| 683 |
|
|
0181 F817 10 8E DF C0 LDY #STACK ; POINT TO RAM VECTOR LOCATION
|
| 684 |
|
|
0182 F81B C6 10 LDB #$10 ; BYTES TO MOVE = 16
|
| 685 |
|
|
0183 F81D A6 80 LOOPA LDA ,X+ ; GET VECTOR BYTE
|
| 686 |
|
|
0184 F81F A7 A0 STA ,Y+ ; PUT VECTORS IN RAM / $DFC0-$DFCF
|
| 687 |
|
|
0185 F821 5A DECB ; SUBTRACT 1 FROM NUMBER OF BYTES TO MOVE
|
| 688 |
|
|
0186 F822 26 F9 BNE LOOPA ; CONTINUE UNTIL ALL VECTORS MOVED
|
| 689 |
|
|
0187 *
|
| 690 |
|
|
0188 * CONTENTS FROM TO FUNCTION
|
| 691 |
|
|
0189 * $F8A1 $FE40 $DFC0 USER-V
|
| 692 |
|
|
0190 * $F8A1 $FE42 $DFC2 SWI3-V
|
| 693 |
|
|
0191 * $F8A1 $FE44 $DFC4 SWI2-V
|
| 694 |
|
|
0192 * $F8A1 $FE46 $DFC6 FIRQ-V
|
| 695 |
|
|
0193 * $F8A1 $FE48 $DFC8 IRQ-V
|
| 696 |
|
|
0194 * $FAB0 $FE4A $DFCA SWI-V
|
| 697 |
|
|
0195 * $FFFF $FE4C $DFCC SVC-VO
|
| 698 |
|
|
0196 * $FFFF $FE4E $DFCE SVC-VL
|
| 699 |
|
|
0197 *
|
| 700 |
|
|
0198 F824 8E E0 00 LDX #ACIAS
|
| 701 |
|
|
0199 F827 BF DF E0 STX CPORT ; STORE ADDR. IN RAM
|
| 702 |
|
|
0200 F82A 17 01 5B LBSR XBKPNT ; CLEAR OUTSTANDING BREAKPOINTS
|
| 703 |
|
|
0201 F82D C6 0C LDB #12 ; CLEAR 12 BYTES ON STACK
|
| 704 |
|
|
0202 F82F 6F E2 CLRSTK CLR ,-S
|
| 705 |
|
|
0203 F831 5A DECB
|
| 706 |
|
|
0204 F832 26 FB BNE CLRSTK
|
| 707 |
|
|
0205 F834 30 8C DD LEAX MONITOR,PCR ; SET PC TO SBUG-E ENTRY
|
| 708 |
|
|
0206 F837 AF 6A STX 10,S ; ON STACK
|
| 709 |
|
|
0207 F839 86 D0 LDA #$D0 ; PRESET CONDITION CODES ON STACK
|
| 710 |
|
|
0208 F83B A7 E4 STA ,S
|
| 711 |
|
|
0209 F83D 1F 43 TFR S,U
|
| 712 |
|
|
0210 F83F 17 04 A3 LBSR IOINIZ ; INITIALIZE CONTROL PORT
|
| 713 |
|
|
0211 F842 8E FE 72 LDX #MSG1 ; POINT TO MONITOR MESSAGE
|
| 714 |
|
|
0212 F845 17 03 47 LBSR PDATA ; PRINT MSG
|
| 715 |
|
|
0213 *
|
| 716 |
|
|
0214 IFD DATOPT
|
| 717 |
|
|
0215 F848 8E DF D0 LDX #LRARAM ; POINT TO LRA RAM STORAGE AREA
|
| 718 |
|
|
0216 F84B 4F CLRA START ; TOTAL AT ZERO
|
| 719 |
|
|
0217 F84C C6 0D LDB #13 ; TOTAL UP ALL ACTIVE RAM MEMORY
|
| 720 |
|
|
0218 F84E 6D 85 FNDREL TST B,X ; TEST FOR RAM AT NEXT LOC.
|
| 721 |
|
|
0219 F850 27 03 BEQ RELPAS ; IF NO RAM GO TO NEXT LOC.
|
| 722 |
|
|
0220 F852 8B 04 ADDA #4 ; ELSE ADD 4K TO TOTAL
|
| 723 |
|
|
0221 F854 19 DAA ; ADJ. TOTAL FOR DECIMAL
|
| 724 |
|
|
0222 F855 5A RELPAS DECB ; SUB. 1 FROM LOCS. TO TEST
|
| 725 |
|
|
0223 F856 2A F6 BPL FNDREL ; PRINT TOTAL OF RAM
|
| 726 |
|
|
0224 F858 17 04 0C LBSR OUT2H ; OUTPUT HEX BYTE AS ASCII
|
| 727 |
|
|
0225 F85B 8E FE 92 LDX #MSG2 ; POINT TO MSG 'K' CR/LF + 3 NULS
|
| 728 |
|
|
0226 F85E 17 03 2E LBSR PDATA ; PRINT MSG
|
| 729 |
|
|
0227 ENDIF DATOPT
|
| 730 |
|
|
0228 *
|
| 731 |
|
|
0229 IFD TRAOPT
|
| 732 |
|
|
0230 LBSR TRAINZ
|
| 733 |
|
|
0231 ENDIF TRAOPT
|
| 734 |
|
|
0231 ENDIF TRAOPT
|
| 735 |
|
|
0232 *
|
| 736 |
|
|
0233 ***** NEXTCMD *****
|
| 737 |
|
|
0234 *
|
| 738 |
|
|
0235 F861 8E FE 99 NEXTCMD LDX #MSG3 ; POINT TO MSG ">"
|
| 739 |
|
|
0236 F864 17 02 B3 LBSR PSTRNG ; PRINT MSG
|
| 740 |
|
|
0237 F867 17 04 37 LBSR INCH ; GET ONE CHAR. FROM TERMINAL
|
| 741 |
|
|
0238 F86A 84 7F ANDA #$7F ; STRIP PARITY FROM CHAR.
|
| 742 |
|
|
0239 F86C 81 0D CMPA #$0D ; IS IT CARRIAGE RETURN ?
|
| 743 |
|
|
0240 F86E 27 F1 BEQ NEXTCMD ; IF CR THEN GET ANOTHER CHAR.
|
| 744 |
|
|
0241 F870 1F 89 TFR A,B ; PUT CHAR. IN "B" ACCUM.
|
| 745 |
|
|
0242 F872 81 20 CMPA #$20 ; IS IT CONTROL OR DATA CHAR ?
|
| 746 |
|
|
0243 F874 2C 09 BGE PRTCMD ; IF CMD CHAR IS DATA, PRNT IT
|
| 747 |
|
|
0244 F876 86 5E LDA #'^ ; ELSE CNTRL CHAR CMD SO...
|
| 748 |
|
|
0245 F878 17 04 53 LBSR OUTCH ; PRINT "^"
|
| 749 |
|
|
0246 F87B 1F 98 TFR B,A ; RECALL CNTRL CMD CHAR
|
| 750 |
|
|
0247 F87D 8B 40 ADDA #$40 ; CONVERT IT TO ASCII LETTER
|
| 751 |
|
|
0248 F87F 17 04 4C PRTCMD LBSR OUTCH ; PRNT CMD CHAR
|
| 752 |
|
|
0249 F882 17 04 47 LBSR OUT1S ; PRNT SPACE
|
| 753 |
|
|
0250 F885 C1 60 CMPB #$60
|
| 754 |
|
|
0251 F887 2F 02 BLE NXTCH0
|
| 755 |
|
|
0252 F889 C0 20 SUBB #$20
|
| 756 |
|
|
0253 *
|
| 757 |
|
|
0254 ***** DO TABLE LOOKUP *****
|
| 758 |
|
|
0255 * FOR COMMAND FUNCTIONS
|
| 759 |
|
|
0256 *
|
| 760 |
|
|
0257 F88B 8E FE 29 NXTCH0 LDX #JMPTAB ; POINT TO JUMP TABLE
|
| 761 |
|
|
0258 F88E E1 80 NXTCHR CMPB ,X+ ; DOES COMMAND MATCH TABLE ENTRY ?
|
| 762 |
|
|
0259 F890 27 0F BEQ JMPCMD ; BRANCH IF MATCH FOUND
|
| 763 |
|
|
0260 F892 30 02 LEAX 2,X ; POINT TO NEXT ENTRY IN TABLE
|
| 764 |
|
|
0261 F894 8C FE 62 CMPX #TABEND ; REACHED END OF TABLE YET ?
|
| 765 |
|
|
0262 F897 26 F5 BNE NXTCHR ; IF NOT END, CHECK NEXT ENTRY
|
| 766 |
|
|
0263 F899 8E FE 9B LDX #MSG4 ; POINT TO MSG "WHAT?"
|
| 767 |
|
|
0264 F89C 17 02 F0 LBSR PDATA ; PRINT MSG
|
| 768 |
|
|
0265 F89F 20 C0 BRA NEXTCMD ; IF NO MATCH, PRMPT FOR NEW CMD
|
| 769 |
|
|
0266 F8A1 AD 94 JMPCMD JSR [,X] ; JUMP TO COMMAND ROUTINE
|
| 770 |
|
|
0267 F8A3 20 BC BRA NEXTCMD ; PROMPT FOR NEW COMMAND
|
| 771 |
|
|
0268 *
|
| 772 |
|
|
0269 * "G" GO OR CONTINUE
|
| 773 |
|
|
0270 *
|
| 774 |
|
|
0271 F8A5 1F 34 GO TFR U,S
|
| 775 |
|
|
0272 F8A7 3B RTI RTI
|
| 776 |
|
|
0273 *
|
| 777 |
|
|
0274 ***** "M" MEMORY EXAMINE AND CHANGE *****
|
| 778 |
|
|
0275 *
|
| 779 |
|
|
0276 F8A8 17 03 6B MEMCHG LBSR IN1ADR ; INPUT ADDRESS
|
| 780 |
|
|
0277 F8AB 29 2D BVS CHRTN ; IF NOT HEX, RETURN
|
| 781 |
|
|
0278 F8AD 1F 12 TFR X,Y ; SAVE ADDR IN "Y"
|
| 782 |
|
|
0279 F8AF 8E FE A1 MEMC2 LDX #MSG5 ; POINT TO MSG " - "
|
| 783 |
|
|
0280 F8B2 17 02 65 LBSR PSTRNG ; PRINT MSG
|
| 784 |
|
|
0281 F8B5 1F 21 TFR Y,X ; FETCH ADDRESS
|
| 785 |
|
|
0282 F8B7 17 03 A5 LBSR OUT4H ; PRINT ADDR IN HEX
|
| 786 |
|
|
0283 F8BA 17 04 0F LBSR OUT1S ; OUTPUT SPACE
|
| 787 |
|
|
0284 F8BD A6 A4 LDA ,Y ; GET CONTENTS OF CURRENT ADDR.
|
| 788 |
|
|
0285 F8BF 17 03 A5 LBSR OUT2H ; OUTPUT CONTENTS IN ASCII
|
| 789 |
|
|
0286 F8C2 17 04 07 LBSR OUT1S ; OUTPUT SPACE
|
| 790 |
|
|
0287 F8C5 17 03 5E LBSR BYTE ; LOOP WAITING FOR OPERATOR INPUT
|
| 791 |
|
|
0288 F8C8 28 11 BVC CHANGE ; IF VALID HEX GO CHANGE MEM. LOC.
|
| 792 |
|
|
0289 F8CA 81 08 CMPA #8 ; IS IT A BACKSPACE (CNTRL H)?
|
| 793 |
|
|
0290 F8CC 27 E1 BEQ MEMC2 ; PROMPT OPERATOR AGAIN
|
| 794 |
|
|
0291 F8CE 81 18 CMPA #$18 ; IS IT A CANCEL (CNTRL X)?
|
| 795 |
|
|
0292 F8D0 27 DD BEQ MEMC2 ; PROMPT OPERATOR AGAIN
|
| 796 |
|
|
0293 F8D2 81 5E CMPA #'^ ; IS IT AN UP ARROW?
|
| 797 |
|
|
0294 F8D4 27 17 BEQ BACK ; DISPLAY PREVIOUS BYTE
|
| 798 |
|
|
0295 F8D6 81 0D CMPA #$D ; IS IT A CR?
|
| 799 |
|
|
0296 F8D8 26 0F BNE FORWRD ; DISPLAY NEXT BYTE
|
| 800 |
|
|
0297 F8DA 39 CHRTN RTS ; EXIT ROUTINE
|
| 801 |
|
|
0298 *
|
| 802 |
|
|
0299 *
|
| 803 |
|
|
0300 F8DB A7 A4 CHANGE STA ,Y ; CHANGE BYTE IN MEMORY
|
| 804 |
|
|
0301 F8DD A1 A4 CMPA ,Y ; DID MEMORY BYTE CHANGE?
|
| 805 |
|
|
0302 F8DF 27 08 BEQ FORWRD ; $F972
|
| 806 |
|
|
0303 F8E1 17 03 E8 LBSR OUT1S ; OUTPUT SPACE
|
| 807 |
|
|
0304 F8E4 86 3F LDA #'? ; LOAD QUESTION MARK
|
| 808 |
|
|
0305 F8E6 17 03 E5 LBSR OUTCH ; PRINT IT
|
| 809 |
|
|
0306 F8E9 31 21 FORWRD LEAY 1,Y ; POINT TO NEXT HIGHER MEM LOCATION
|
| 810 |
|
|
0307 F8EB 20 C2 BRA MEMC2 ; PRINT LOCATION & CONTENTS
|
| 811 |
|
|
0308 F8ED 31 3F BACK LEAY -1,Y ; POINT TO LAST MEM LOCATION
|
| 812 |
|
|
0309 F8EF 20 BE BRA MEMC2 ; PRINT LOCATION & CONTENTS
|
| 813 |
|
|
0310 *
|
| 814 |
|
|
0311 * "S" DISPLAY STACK
|
| 815 |
|
|
0312 * HEX-ASCII DISPLAY OF CURRENT STACK CONTENTS FROM
|
| 816 |
|
|
0313 ** CURRENT STACK POINTER TO INTERNAL STACK LIMIT.
|
| 817 |
|
|
0314 *
|
| 818 |
|
|
0315 F8F1 17 02 A2 DISSTK LBSR PRTSP ; PRINT CURRENT STACK POINTER
|
| 819 |
|
|
0316 F8F4 1F 32 TFR U,Y
|
| 820 |
|
|
0317 F8F6 8E DF C0 LDX #STACK ; LOAD INTERNAL STACK AS UPPER LIMIT
|
| 821 |
|
|
0318 F8F9 30 1F LEAX -1,X ; POINT TO CURRENT STACK
|
| 822 |
|
|
0319 F8FB 20 05 BRA MDUMP1 ; ENTER MEMORY DUMP OF STACK CONTENTS
|
| 823 |
|
|
0320 *
|
| 824 |
|
|
0321 * "E" DUMP MEMORY FOR EXAMINE IN HEX AND ASCII
|
| 825 |
|
|
0322 * AFTER CALLING 'IN2ADR' LOWER ADDRESS IN Y-REG.
|
| 826 |
|
|
0323 * UPPER ADDRESS IN X-REG.
|
| 827 |
|
|
0324 * IF HEX ADDRESSES ARE INVALID (V)=1.
|
| 828 |
|
|
0325 *
|
| 829 |
|
|
0326 F8FD 17 03 0B MEMDUMP LBSR IN2ADR ; INPUT ADDRESS BOUNDRIES
|
| 830 |
|
|
0327 F900 29 06 BVS EDPRTN ; NEW COMMAND IF ILLEGAL HEX
|
| 831 |
|
|
0328 F902 34 20 MDUMP1 PSHS Y ; COMPARE LOWER TO UPPER BOUNDS
|
| 832 |
|
|
0329 F904 AC E1 CMPX ,S++ ; LOWER BOUNDS > UPPER BOUNDS?
|
| 833 |
|
|
0330 F906 24 01 BCC AJDUMP ; IF NOT, DUMP HEX AND ASCII
|
| 834 |
|
|
0331 F908 39 EDPRTN RTS ;
|
| 835 |
|
|
0332 *
|
| 836 |
|
|
0333 * ADJUST LOWER AND UPPER ADDRESS LIMITS
|
| 837 |
|
|
0334 * TO EVEN 16 BYTE BOUNDRIES.
|
| 838 |
|
|
0335 *
|
| 839 |
|
|
0336 * IF LOWER ADDR = $4532
|
| 840 |
|
|
0337 * LOWER BOUNDS WILL BE ADJUSTED TO = $4530.
|
| 841 |
|
|
0338 *
|
| 842 |
|
|
0339 * IF UPPER ADDR = $4567
|
| 843 |
|
|
0340 * UPPER BOUNDS WILL BE ADJUSTED TO = $4570.
|
| 844 |
|
|
0341 *
|
| 845 |
|
|
0342 * ENTER WITH LOWER ADDRESS IN X-REG.
|
| 846 |
|
|
0343 * -UPPER ADDRESS ON TOP OF STACK.
|
| 847 |
|
|
0344 *
|
| 848 |
|
|
0345 F909 1F 10 AJDUMP TFR X,D ; GET UPPER ADDR IN D-REG
|
| 849 |
|
|
0346 F90B C3 00 10 ADDD #$10 ; ADD 16 TO UPPER ADDRESS
|
| 850 |
|
|
0347 F90E C4 F0 ANDB #$F0 ; MASK TO EVEN 16 BYTE BOUNDRY
|
| 851 |
|
|
0348 F910 34 06 PSHS A,B ; SAVE ON STACK AS UPPER DUMP LIMIT
|
| 852 |
|
|
0349 F912 1F 20 TFR Y,D ; $F9A5 GET LOWER ADDRESS IN D-REG
|
| 853 |
|
|
0350 F914 C4 F0 ANDB #$F0 ; MASK TO EVEN 16 BYTE BOUNDRY
|
| 854 |
|
|
0351 F916 1F 01 TFR D,X ; PUT IN X-REG AS LOWER DUMP LIMIT
|
| 855 |
|
|
0352 F918 AC E4 NXTLIN CMPX ,S ; COMPARE LOWER TO UPPER LIMIT
|
| 856 |
|
|
0353 F91A 27 05 BEQ SKPDMP ; IF EQUAL SKIP HEX-ASCII DUMP
|
| 857 |
|
|
0354 F91C 17 03 9A LBSR INCHEK ; CHECK FOR INPUT FROM KEYBOARD
|
| 858 |
|
|
0355 F91F 27 03 BEQ EDUMP
|
| 859 |
|
|
0356 F921 32 62 SKPDMP LEAS 2,S ; READJUST STACK IF NOT DUMPING
|
| 860 |
|
|
0357 F923 39 RTS ;
|
| 861 |
|
|
0358 *
|
| 862 |
|
|
0359 * PRINT 16 HEX BYTES FOLLOWED BY 16 ASCII CHARACTERS
|
| 863 |
|
|
0360 * FOR EACH LINE THROUGHOUT ADDRESS LIMITS.
|
| 864 |
|
|
0361 *
|
| 865 |
|
|
0362 F924 34 10 EDUMP PSHS X ; PUSH LOWER ADDR LIMIT ON STACK
|
| 866 |
|
|
0363 F926 8E FE A1 LDX #MSG5 ; POINT TO MSG " - "
|
| 867 |
|
|
0364 F929 17 01 EE LBSR PSTRNG ; PRINT MSG
|
| 868 |
|
|
0365 F92C AE E4 LDX ,S ; LOAD LOWER ADDR FROM TOP OF STACK
|
| 869 |
|
|
0366 F92E 17 03 2E LBSR OUT4H ; PRINT THE ADDRESS
|
| 870 |
|
|
0367 F931 17 03 96 LBSR OUT2S ; 2 SPACES
|
| 871 |
|
|
0368 F934 C6 10 LDB #$10 ; LOAD COUNT OF 16 BYTES TO DUMP
|
| 872 |
|
|
0369 F936 A6 80 ELOOP LDA ,X+ ; GET FROM MEMORY HEX BYTE TO PRINT
|
| 873 |
|
|
0370 F938 17 03 2C LBSR OUT2H ; OUTPUT HEX BYTE AS ASCII
|
| 874 |
|
|
0371 F93B 17 03 8E LBSR OUT1S ; OUTPUT SPACE
|
| 875 |
|
|
0372 F93E 5A DECB ; $F9D1 DECREMENT BYTE COUNT
|
| 876 |
|
|
0373 F93F 26 F5 BNE ELOOP ; CONTINUE TIL 16 HEX BYTES PRINTED
|
| 877 |
|
|
0374 *
|
| 878 |
|
|
0375 * PRINT 16 ASCII CHARACTERS
|
| 879 |
|
|
0376 * IF NOT PRINTABLE OR NOT VALID
|
| 880 |
|
|
0377 * ASCII PRINT A PERIOD (.)
|
| 881 |
|
|
0378 F941 17 03 86 LBSR OUT2S ; 2 SPACES
|
| 882 |
|
|
0379 F944 AE E1 LDX ,S++ ; GET LOW LIMIT FRM STACK - ADJ STACK
|
| 883 |
|
|
0380 F946 C6 10 LDB #$10 ; SET ASCII CHAR TO PRINT = 16
|
| 884 |
|
|
0381 F948 A6 80 EDPASC LDA ,X+ ; GET CHARACTER FROM MEMORY
|
| 885 |
|
|
0382 F94A 81 20 CMPA #$20 ; IF LESS THAN $20, NON-PRINTABLE?
|
| 886 |
|
|
0383 F94C 25 04 BCS PERIOD ; IF SO, PRINT PERIOD INSTEAD
|
| 887 |
|
|
0384 F94E 81 7E CMPA #$7E ; IS IT VALID ASCII?
|
| 888 |
|
|
0385 F950 23 02 BLS PRASC ; IF SO PRINT IT
|
| 889 |
|
|
0386 F952 86 2E PERIOD LDA #'. ; LOAD A PERIOD (.)
|
| 890 |
|
|
0387 F954 17 03 77 PRASC LBSR OUTCH ; PRINT ASCII CHARACTER
|
| 891 |
|
|
0388 F957 5A DECB ; DECREMENT COUNT
|
| 892 |
|
|
0389 F958 26 EE BNE EDPASC
|
| 893 |
|
|
0390 F95A 20 BC BRA NXTLIN
|
| 894 |
|
|
0391 *
|
| 895 |
|
|
0392 ***** "B" SET BREAKPOINT *****
|
| 896 |
|
|
0393 *
|
| 897 |
|
|
0394 F95C 17 02 B7 BRKPNT LBSR IN1ADR ; GET BREAKPOINT ADDRESS
|
| 898 |
|
|
0395 F95F 29 1E BVS EXITBP ; EXIT IF INVALID HEX ADDR.
|
| 899 |
|
|
0396 F961 8C DF C0 CMPX #STACK ; ADDRESS ILLEGAL IF >=$DFC0
|
| 900 |
|
|
0397 F964 24 1A BCC BPERR ; IF ERROR PRINT (?), EXIT
|
| 901 |
|
|
0398 F966 34 10 PSHS X ; $FA82 PUSH BP ADDRESS ON STACK
|
| 902 |
|
|
0399 F968 8E FF FF LDX #$FFFF ; LOAD DUMMY ADDR TO TEST BP TABLE
|
| 903 |
|
|
0400 F96B 8D 55 BSR BPTEST ; TEST BP TABLE FOR FREE SPACE
|
| 904 |
|
|
0401 F96D 35 10 PULS X ; POP BP ADDRESS FROM STACK
|
| 905 |
|
|
0402 F96F 27 0F BEQ BPERR ; (Z) SET, OUT OF BP TABLE SPACE
|
| 906 |
|
|
0403 F971 A6 84 LDA ,X ; GET DATA AT BREAKPOINT ADDRESS
|
| 907 |
|
|
0404 F973 81 3F CMPA #$3F ; IS IT A SWI?
|
| 908 |
|
|
0405 F975 27 09 BEQ BPERR ; IF SWI ALREADY, INDICATE ERROR
|
| 909 |
|
|
0406 F977 A7 A0 STA ,Y+ ; SAVE DATA BYTE IN BP TABLE
|
| 910 |
|
|
0407 F979 AF A4 STX ,Y ; SAVE BP ADDRESS IN BP TABLE
|
| 911 |
|
|
0408 F97B 86 3F LDA #$3F ; LOAD A SWI ($3F)
|
| 912 |
|
|
0409 F97D A7 84 STA ,X ; SAVE SWI AT BREAKPOINT ADDRESS
|
| 913 |
|
|
0410 F97F 39 EXITBP RTS ;
|
| 914 |
|
|
0411 *
|
| 915 |
|
|
0412 * INDICATE ERROR SETTING BREAKPOINT
|
| 916 |
|
|
0413 *
|
| 917 |
|
|
0414 F980 17 03 49 BPERR LBSR OUT1S ; OUTPUT SPACE
|
| 918 |
|
|
0415 F983 86 3F LDA #'? ; LOAD (?), INDICATE BREAKPOINT ERROR
|
| 919 |
|
|
0416 F985 16 03 46 LBRA OUTCH ; PRINT "?"
|
| 920 |
|
|
0417 *
|
| 921 |
|
|
0418 *** "X" CLEAR OUTSTANDING BREAKPOINTS ***
|
| 922 |
|
|
0419 *
|
| 923 |
|
|
0420 F988 10 8E DF E3 XBKPNT LDY #BPTBL ; POINT TO BREAKPOINT TABLE
|
| 924 |
|
|
0421 F98C C6 08 LDB #8 ; LOAD BREAKPOINT COUNTER
|
| 925 |
|
|
0422 F98E 8D 18 XBPLP BSR RPLSWI ; REMOVE USED ENTRY IN BP TABLE
|
| 926 |
|
|
0423 F990 5A DECB $FAAC ; DECREMENT BP COUNTER
|
| 927 |
|
|
0424 F991 26 FB BNE XBPLP ; END OF BREAKPOINT TABLE?
|
| 928 |
|
|
0425 F993 39 RTS
|
| 929 |
|
|
0426 *
|
| 930 |
|
|
0427 ***** SWI ENTRY POINT *****
|
| 931 |
|
|
0428 *
|
| 932 |
|
|
0429 F994 1F 43 SWIE TFR S,U ; TRANSFER STACK TO USER POINTER
|
| 933 |
|
|
0430 F996 AE 4A LDX 10,U ; LOAD PC FROM STACK INTO X-REG
|
| 934 |
|
|
0431 F998 30 1F LEAX -1,X ; ADJUST ADDR DOWN 1 BYTE.
|
| 935 |
|
|
0432 F99A 8D 26 BSR BPTEST ; FIND BREAKPOINT IN BP TABLE
|
| 936 |
|
|
0433 F99C 27 04 BEQ REGPR ; IF FOUND, REPLACE DATA AT BP ADDR
|
| 937 |
|
|
0434 F99E AF 4A STX 10,U ; SAVE BREAKPOINT ADDR IN STACK
|
| 938 |
|
|
0435 F9A0 8D 06 BSR RPLSWI ; GO REPLACE SWI WITH ORIGINAL DATA
|
| 939 |
|
|
0436 F9A2 17 02 48 REGPR LBSR REGSTR ; GO PRINT REGISTERS
|
| 940 |
|
|
0437 *
|
| 941 |
|
|
0438 IFD TRAOPT
|
| 942 |
|
|
0439 LDX #0
|
| 943 |
|
|
0440 STX TRACNT
|
| 944 |
|
|
0441 ENDIF TRAOPT
|
| 945 |
|
|
0441 ENDIF TRAOPT
|
| 946 |
|
|
0442 *
|
| 947 |
|
|
0443 F9A5 16 FE B9 LBRA NEXTCMD ; GET NEXT COMMAND
|
| 948 |
|
|
0444 *
|
| 949 |
|
|
0445 F9A8 AE 21 RPLSWI LDX 1,Y ; LOAD BP ADDRESS FROM BP TABLE
|
| 950 |
|
|
0446 F9AA 8C DF C0 CMPX #STACK ; COMPARE TO TOP AVAILABLE USER MEMORY
|
| 951 |
|
|
0447 F9AD 24 0A BCC FFSTBL ; GO RESET TABLE ENTRY TO $FF'S
|
| 952 |
|
|
0448 F9AF A6 84 LDA ,X ; GET DATA FROM BP ADDRESS
|
| 953 |
|
|
0449 F9B1 81 3F CMPA #$3F ; IS IT SWI?
|
| 954 |
|
|
0450 F9B3 26 04 BNE FFSTBL ; IF NOT, RESET TABLE ENTRY TO $FF'S
|
| 955 |
|
|
0451 F9B5 A6 A4 LDA ,Y ; GET ORIGINAL DATA FROM BP TABLE
|
| 956 |
|
|
0452 F9B7 A7 84 STA ,X ; $FAD3 RESTORE DATA AT BP ADDRESS
|
| 957 |
|
|
0453 F9B9 86 FF FFSTBL LDA #$FF ; LOAD $FF IN A-ACC
|
| 958 |
|
|
0454 F9BB A7 A0 STA ,Y+ ; RESET BREAKPOINT TABLE DATA TO $FF'S
|
| 959 |
|
|
0455 F9BD A7 A0 STA ,Y+ ; RESET BREAKPOINT TABLE ADDR TO $FF'S
|
| 960 |
|
|
0456 F9BF A7 A0 STA ,Y+
|
| 961 |
|
|
0457 F9C1 39 RTS
|
| 962 |
|
|
0458 *
|
| 963 |
|
|
0459 ** SEARCH BREAKPOINT TABLE FOR MATCH **
|
| 964 |
|
|
0460 *
|
| 965 |
|
|
0461 F9C2 10 8E DF E3 BPTEST LDY #BPTBL ; POINT TO BREAKPOINT TABLE
|
| 966 |
|
|
0462 F9C6 C6 08 LDB #8 ; LOAD BREAKPOINT COUNTER
|
| 967 |
|
|
0463 F9C8 A6 A0 FNDBP LDA ,Y+ ; LOAD DATA BYTE
|
| 968 |
|
|
0464 F9CA AC A1 CMPX ,Y++ ; COMPARE ADDRESS, IS IT SAME?
|
| 969 |
|
|
0465 F9CC 27 04 BEQ BPADJ ; IF SO, ADJUST POINTER FOR TABLE ENTRY
|
| 970 |
|
|
0466 F9CE 5A DECB ; IF NOT, DECREMENT BREAKPOINT COUNTER
|
| 971 |
|
|
0467 F9CF 26 F7 BNE FNDBP ; AND LOOK FOR NEXT POSSIBLE MATCH
|
| 972 |
|
|
0468 F9D1 39 RTS ;
|
| 973 |
|
|
0469 *
|
| 974 |
|
|
0470 *
|
| 975 |
|
|
0471 F9D2 31 3D BPADJ LEAY -3,Y ; MOVE POINTER TO BEGIN OF BP ENTRY
|
| 976 |
|
|
0472 F9D4 39 RTS
|
| 977 |
|
|
0473 *
|
| 978 |
|
|
0474 IFD TRAOPT
|
| 979 |
|
|
0475 *
|
| 980 |
|
|
0476 ** TRACE from address AAAA BB bytes
|
| 981 |
|
|
0477 *
|
| 982 |
|
|
0478 TRACE LBSR ALTPC1 ; SET UP NEW PC
|
| 983 |
|
|
0479 BVS TREXIT ; ADDRESS ERROR, EXIT
|
| 984 |
|
|
0480 LBSR OUT1S
|
| 985 |
|
|
0481 LBSR IN1ADR ; Fetch Byte Count
|
| 986 |
|
|
0482 BVS TREXIT ; Byte Count error, EXIT
|
| 987 |
|
|
0483 STX TRACNT
|
| 988 |
|
|
0484 *
|
| 989 |
|
|
0485 LDX NMI ; Save NMI Vector
|
| 990 |
|
|
0486 STX NMISAV
|
| 991 |
|
|
0487 LDX #NMIE ; Set up NMI for Tracing
|
| 992 |
|
|
0488 STX NMI
|
| 993 |
|
|
0489 LBSR TRAINZ ; Initialise Hardware
|
| 994 |
|
|
0490 BRA TRACEG ; Start Trace
|
| 995 |
|
|
0491 TREXIT RTS
|
| 996 |
|
|
0492 *
|
| 997 |
|
|
0493 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
| 998 |
|
|
0494 * CRA1 = 1 CA1 Rising edge IRQ
|
| 999 |
|
|
0495 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
| 1000 |
|
|
0496 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
| 1001 |
|
|
0497 * CRA4 = 1 ] CA2 = Set/Reset output
|
| 1002 |
|
|
0498 * CRA5 = 1 ]
|
| 1003 |
|
|
0499 * CRA6 = X CA2 Input Interrupt Flag
|
| 1004 |
|
|
0500 * CRA7 = X CA1 Interrupt Flag
|
| 1005 |
|
|
0501 *
|
| 1006 |
|
|
0502 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
| 1007 |
|
|
0503 * CRB1 = 1 CB1 Rising edge IRQ
|
| 1008 |
|
|
0504 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
| 1009 |
|
|
0505 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
| 1010 |
|
|
0506 * CRB4 = 1 ] CB2 = Set/Reset output
|
| 1011 |
|
|
0507 * CRB5 = 1 ]
|
| 1012 |
|
|
0508 * CRB6 = X CB2 Input Interrupt Flag
|
| 1013 |
|
|
0509 * CRB7 = X CB1 Interrupt Flag
|
| 1014 |
|
|
0510 *
|
| 1015 |
|
|
0511 *
|
| 1016 |
|
|
0512 ** TRACE NMI ENTRY POINT
|
| 1017 |
|
|
0513 *
|
| 1018 |
|
|
0514 NMIE TFR S,U
|
| 1019 |
|
|
0515 LDA #$36 ; Disable Interrupt, CA2 Low
|
| 1020 |
|
|
0516 STA TACTRL
|
| 1021 |
|
|
0517 LDA TADATA ; Clear Interrupt flag by reading data port
|
| 1022 |
|
|
0518 *
|
| 1023 |
|
|
0519 LBSR REGSTR ; DUMP REGISTERS
|
| 1024 |
|
|
0520 *
|
| 1025 |
|
|
0521 LDX 10,U ; TEST IF NEXT INSTRUCTION IS A SWI
|
| 1026 |
|
|
0522 LDA ,X
|
| 1027 |
|
|
0523 CMPA #$3F
|
| 1028 |
|
|
0524 BEQ TRACEX ; EXIT ON SWI
|
| 1029 |
|
|
0525 *
|
| 1030 |
|
|
0526 LDX TRACNT ; CHECK IF TRACE COUNT EXPIRED
|
| 1031 |
|
|
0527 BEQ TRACEX ; YES, GO BACK TO THE MONITOR
|
| 1032 |
|
|
0528 LEAX -1,X ; ECREMENT TRACE COUNT
|
| 1033 |
|
|
0529 STX TRACNT
|
| 1034 |
|
|
0530 *
|
| 1035 |
|
|
0531 ** TRACE GO (RESUME SINGLE STEP)
|
| 1036 |
|
|
0532 *
|
| 1037 |
|
|
0533 TRACEG TFR U,S ; SET UP PROGRAM STACK POINTER
|
| 1038 |
|
|
0534 LDA #TRADEL ; SET UP TIMER DELAY (NUMB CYCLES FOR RTI+1)
|
| 1039 |
|
|
0535 STA TADATA
|
| 1040 |
|
|
0536 LDA #$36 ; LOAD STROBE LOW
|
| 1041 |
|
|
0537 STA TACTRL
|
| 1042 |
|
|
0538 LDA TADATA ; CLEAR INTERRUPT
|
| 1043 |
|
|
0539 LDA #$36 ; RELEASE RESET
|
| 1044 |
|
|
0540 STA TBCTRL
|
| 1045 |
|
|
0541 LDA #$3F ; RELEASE LOAD, ENABLE CA1 NMI, CA1 RISING EDGE
|
| 1046 |
|
|
0542 STA TACTRL
|
| 1047 |
|
|
0543 RTI ; GO EXECUTE INSTRUCTION
|
| 1048 |
|
|
0544 *
|
| 1049 |
|
|
0545 TRACEX LDX NMISAV ; Restore NMI vector
|
| 1050 |
|
|
0546 STX NMI
|
| 1051 |
|
|
0547 LBRA NEXTCMD ; Jump back to the command loop.
|
| 1052 |
|
|
0548 *
|
| 1053 |
|
|
0549 ** TRACE HARDWARE INITIALISATION
|
| 1054 |
|
|
0550 *
|
| 1055 |
|
|
0551 TRAINZ LDA #$32 ; SELECT DDRA, CA2 LOW, NMI DISABLED
|
| 1056 |
|
|
0552 STA TACTRL
|
| 1057 |
|
|
0553 LDA #$3A ; SELECT DDRB, CB2 HIGH, FIRQ DISABLED
|
| 1058 |
|
|
0554 STA TBCTRL
|
| 1059 |
|
|
0555 LDA #$FF ; PORTA = OUTPUT
|
| 1060 |
|
|
0556 STA TADATA
|
| 1061 |
|
|
0557 LDA #$00 ; PORTB = INPUT
|
| 1062 |
|
|
0558 STA TBDATA
|
| 1063 |
|
|
0559 LDA #$36 ; SELECT OUTPUT REGISTER A, CA2 LOW
|
| 1064 |
|
|
0560 STA TACTRL
|
| 1065 |
|
|
0561 LDA #$3E ; SELECT OUTPUT REGISTER B, CB2 HIGH
|
| 1066 |
|
|
0562 STA TBCTRL
|
| 1067 |
|
|
0563 RTS
|
| 1068 |
|
|
0564 *
|
| 1069 |
|
|
0565 ENDIF TRAOPT
|
| 1070 |
|
|
0565 ENDIF TRAOPT
|
| 1071 |
|
|
0566 IFD MFDCOPT
|
| 1072 |
|
|
0567 *
|
| 1073 |
|
|
0568 ** "U" MINI DISK BOOT
|
| 1074 |
|
|
0569 *
|
| 1075 |
|
|
0570 MINBOOT TST CMDFDC
|
| 1076 |
|
|
0571 CLR DRVFDC
|
| 1077 |
|
|
0572 LDX #$0000
|
| 1078 |
|
|
0573 LOOP LEAX $01,X
|
| 1079 |
|
|
0574 CMPX #$0000
|
| 1080 |
|
|
0575 BNE LOOP
|
| 1081 |
|
|
0576 LDA #$0F
|
| 1082 |
|
|
0577 STA CMDFDC
|
| 1083 |
|
|
0578 BSR DELAY
|
| 1084 |
|
|
0579 LOOP1 LDB CMDFDC
|
| 1085 |
|
|
0580 BITB #$01
|
| 1086 |
|
|
0581 BNE LOOP1
|
| 1087 |
|
|
0582 LDA #$01
|
| 1088 |
|
|
0583 STA SECFDC
|
| 1089 |
|
|
0584 BSR DELAY
|
| 1090 |
|
|
0585 LDA #$8C
|
| 1091 |
|
|
0586 STA CMDFDC
|
| 1092 |
|
|
0587 BSR DELAY
|
| 1093 |
|
|
0588 LDX #$C000
|
| 1094 |
|
|
0589 BRA LOOP3
|
| 1095 |
|
|
0590 LOOP2 BITB #$02
|
| 1096 |
|
|
0591 BEQ LOOP3
|
| 1097 |
|
|
0592 LDA DATFDC
|
| 1098 |
|
|
0593 STA ,X+
|
| 1099 |
|
|
0594 LOOP3 LDB CMDFDC
|
| 1100 |
|
|
0595 BITB #$01
|
| 1101 |
|
|
0596 BNE LOOP2
|
| 1102 |
|
|
0597 BITB #$2C
|
| 1103 |
|
|
0598 BEQ LOOP4
|
| 1104 |
|
|
0599 RTS
|
| 1105 |
|
|
0600 *
|
| 1106 |
|
|
0601 LOOP4 LDX #$C000
|
| 1107 |
|
|
0602 STX $0A,U
|
| 1108 |
|
|
0603 TFR U,S
|
| 1109 |
|
|
0604 RTI
|
| 1110 |
|
|
0605 *
|
| 1111 |
|
|
0606 DELAY LDB #$04
|
| 1112 |
|
|
0607 LOOP5 DECB
|
| 1113 |
|
|
0608 BNE LOOP5
|
| 1114 |
|
|
0609 RTS
|
| 1115 |
|
|
0610 ENDIF MFDCOPT
|
| 1116 |
|
|
0610 ENDIF MFDCOPT
|
| 1117 |
|
|
0611 *
|
| 1118 |
|
|
0612 IFD DMAFOPT
|
| 1119 |
|
|
0613 *
|
| 1120 |
|
|
0614 *** "D" DISK BOOT FOR DMAF2 ***
|
| 1121 |
|
|
0615 *
|
| 1122 |
|
|
0616 DBOOT LDA #$DE
|
| 1123 |
|
|
0617 STA DRVREG
|
| 1124 |
|
|
0618 LDA #$FF
|
| 1125 |
|
|
0619 STA PRIREG ; $FAF8
|
| 1126 |
|
|
0620 STA CCREG
|
| 1127 |
|
|
0621 STA AAAREG
|
| 1128 |
|
|
0622 STA BBBREG
|
| 1129 |
|
|
0623 TST CCREG
|
| 1130 |
|
|
0624 LDA #$D8
|
| 1131 |
|
|
0625 STA COMREG
|
| 1132 |
|
|
0626 LBSR DLY
|
| 1133 |
|
|
0627 DBOOT0 LDA COMREG
|
| 1134 |
|
|
0628 BMI DBOOT0
|
| 1135 |
|
|
0629 LDA #$09
|
| 1136 |
|
|
0630 STA COMREG
|
| 1137 |
|
|
0631 LBSR DLY
|
| 1138 |
|
|
0632 *
|
| 1139 |
|
|
0633 DISKWT LDA COMREG ; FETCH DRIVE STATUS
|
| 1140 |
|
|
0634 BITA #1 ; TEST BUSY BIT
|
| 1141 |
|
|
0635 BNE DISKWT ; LOOP UNTIL NOT BUSY
|
| 1142 |
|
|
0636 *
|
| 1143 |
|
|
0637 BITA #$10
|
| 1144 |
|
|
0638 BNE DBOOT
|
| 1145 |
|
|
0639 *
|
| 1146 |
|
|
0640 LDX #$C000 ; LOGICAL ADDR. = $C000
|
| 1147 |
|
|
0641 BSR LRA ; GET 20 BIT PHYSICAL ADDR. OF LOG. ADDR.
|
| 1148 |
|
|
0642 ORA #$10
|
| 1149 |
|
|
0643 STA CCCREG
|
| 1150 |
|
|
0644 TFR X,D
|
| 1151 |
|
|
0645 COMA ;
|
| 1152 |
|
|
0646 COMB ;
|
| 1153 |
|
|
0647 STD ADDREG
|
| 1154 |
|
|
0648 LDX #$FEFF ; LOAD DMA BYTE COUNT = $100
|
| 1155 |
|
|
0649 STX CNTREG ; STORE IN COUNT REGISTER
|
| 1156 |
|
|
0650 LDA #$FF ; LOAD THE CHANNEL REGISTER
|
| 1157 |
|
|
0651 STA CCREG
|
| 1158 |
|
|
0652 LDA #$FE ; SET CHANNEL 0
|
| 1159 |
|
|
0653 STA PRIREG
|
| 1160 |
|
|
0654 LDA #1 ; SET SECTOR TO "1"
|
| 1161 |
|
|
0655 STA SECREG ; ISSUE COMMAND
|
| 1162 |
|
|
0656 LDA #$8C ; SET SINGLE SECTOR READ
|
| 1163 |
|
|
0657 STA COMREG ; ISSUE COMMAND
|
| 1164 |
|
|
0658 BSR DLY
|
| 1165 |
|
|
0659 *
|
| 1166 |
|
|
0660 * THE FOLLOWING CODE TESTS THE STATUS OF THE
|
| 1167 |
|
|
0661 * CHANNEL CONTROL REGISTER. IF "D7" IS NOT
|
| 1168 |
|
|
0662 * ZERO THEN IT WILL LOOP WAITING FOR "D7"
|
| 1169 |
|
|
0663 * TO GO TO ZERO. IF AFTER 65,536 TRIES IT
|
| 1170 |
|
|
0664 * IS STILL A ONE THE BOOT OPERATION WILL
|
| 1171 |
|
|
0665 * BE STARTED OVER FROM THE BEGINING.
|
| 1172 |
|
|
0666 *
|
| 1173 |
|
|
0667 CLRB ;
|
| 1174 |
|
|
0668 DBOOT1 PSHS B ; $FB55
|
| 1175 |
|
|
0669 CLRB ;
|
| 1176 |
|
|
0670 DBOOT2 TST CCREG
|
| 1177 |
|
|
0671 BPL DBOOT3
|
| 1178 |
|
|
0672 DECB ;
|
| 1179 |
|
|
0673 BNE DBOOT2
|
| 1180 |
|
|
0674 PULS B
|
| 1181 |
|
|
0675 DECB
|
| 1182 |
|
|
0676 BNE DBOOT1
|
| 1183 |
|
|
0677 BRA DBOOT
|
| 1184 |
|
|
0678 DBOOT3 PULS B
|
| 1185 |
|
|
0679 LDA COMREG
|
| 1186 |
|
|
0680 BITA #$1C
|
| 1187 |
|
|
0681 BEQ DBOOT4
|
| 1188 |
|
|
0682 RTS ;
|
| 1189 |
|
|
0683 *
|
| 1190 |
|
|
0684 *
|
| 1191 |
|
|
0685 DBOOT4 LDB #$DE
|
| 1192 |
|
|
0686 STB DRVREG
|
| 1193 |
|
|
0687 LDX #$C000
|
| 1194 |
|
|
0688 STX 10,U
|
| 1195 |
|
|
0689 TFR U,S ; $FB7B
|
| 1196 |
|
|
0690 RTI ;
|
| 1197 |
|
|
0691 ENDIF DMAFOPT
|
| 1198 |
|
|
0691 ENDIF DMAFOPT
|
| 1199 |
|
|
0692 *
|
| 1200 |
|
|
0693 IFD CF8OPT
|
| 1201 |
|
|
0694 *
|
| 1202 |
|
|
0695 * COMPACT FLASH BOOT
|
| 1203 |
|
|
0696 *
|
| 1204 |
|
|
0697 F9D5 8D 40 CFBOOT BSR WAITRDY
|
| 1205 |
|
|
0698 F9D7 86 E0 LDA #HEADLBA
|
| 1206 |
|
|
0699 F9D9 B7 E0 46 STA CF_HEAD
|
| 1207 |
|
|
0700 F9DC 8D 39 BSR WAITRDY
|
| 1208 |
|
|
0701 F9DE 86 01 LDA #FEAT8BIT
|
| 1209 |
|
|
0702 F9E0 B7 E0 41 STA CF_FEATURE
|
| 1210 |
|
|
0703 F9E3 86 EF LDA #CMDFEATURE
|
| 1211 |
|
|
0704 F9E5 B7 E0 47 STA CF_COMAND
|
| 1212 |
|
|
0705 F9E8 8D 2D BSR WAITRDY
|
| 1213 |
|
|
0706 *
|
| 1214 |
|
|
0707 * READ SECTORS FROM CF
|
| 1215 |
|
|
0708 *
|
| 1216 |
|
|
0709 F9EA 86 01 CFREAD LDA #$01
|
| 1217 |
|
|
0710 F9EC B7 E0 42 STA CF_SECCNT
|
| 1218 |
|
|
0711 F9EF 4F CLRA
|
| 1219 |
|
|
0712 F9F0 B7 E0 43 STA CF_SECNUM
|
| 1220 |
|
|
0713 F9F3 B7 E0 44 STA CF_CYLLO
|
| 1221 |
|
|
0714 F9F6 B7 E0 45 STA CF_CYLHI
|
| 1222 |
|
|
0715 *
|
| 1223 |
|
|
0716 F9F9 86 20 LDA #CMDREAD ; IDE READ MULTIPLE
|
| 1224 |
|
|
0717 F9FB B7 E0 47 STA CF_COMAND
|
| 1225 |
|
|
0718 F9FE 8D 17 BSR WAITRDY
|
| 1226 |
|
|
0719 FA00 8E C0 00 LDX #$C000
|
| 1227 |
|
|
0720 *
|
| 1228 |
|
|
0721 * READ LOOP
|
| 1229 |
|
|
0722 *
|
| 1230 |
|
|
0723 FA03 8D 21 RDLOOP BSR WAITDRQ
|
| 1231 |
|
|
0724 FA05 B6 E0 40 LDA CF_DATA
|
| 1232 |
|
|
0725 FA08 A7 80 STA ,X+
|
| 1233 |
|
|
0726 FA0A 8C C2 00 CMPX #$C200
|
| 1234 |
|
|
0727 FA0D 26 F4 BNE RDLOOP
|
| 1235 |
|
|
0728 *
|
| 1236 |
|
|
0729 FA0F 8E C0 00 LDX #$C000
|
| 1237 |
|
|
0730 FA12 AF 4A STX $0A,U
|
| 1238 |
|
|
0731 FA14 1F 34 TFR U,S
|
| 1239 |
|
|
0732 FA16 3B RTI
|
| 1240 |
|
|
0733 *
|
| 1241 |
|
|
0734 * WAIT UNTIL READY
|
| 1242 |
|
|
0735 *
|
| 1243 |
|
|
0736 FA17 B6 E0 47 WAITRDY LDA CF_STATUS
|
| 1244 |
|
|
0737 FA1A 85 80 BITA #BUSY
|
| 1245 |
|
|
0738 FA1C 26 F9 BNE WAITRDY
|
| 1246 |
|
|
0739 FA1E B6 E0 47 LDA CF_STATUS
|
| 1247 |
|
|
0740 FA21 85 40 BITA #DRDY
|
| 1248 |
|
|
0741 FA23 27 F2 BEQ WAITRDY
|
| 1249 |
|
|
0742 FA25 39 RTS
|
| 1250 |
|
|
0743 *
|
| 1251 |
|
|
0744 * WAIT FOR DATA REQUEST
|
| 1252 |
|
|
0745 *
|
| 1253 |
|
|
0746 FA26 B6 E0 47 WAITDRQ LDA CF_STATUS
|
| 1254 |
|
|
0747 FA29 85 08 BITA #DRQ
|
| 1255 |
|
|
0748 FA2B 27 F9 BEQ WAITDRQ
|
| 1256 |
|
|
0749 FA2D 39 RTS
|
| 1257 |
|
|
0750 ENDIF CF8OPT
|
| 1258 |
|
|
0751 *
|
| 1259 |
|
|
0752 IFD IDEOPT
|
| 1260 |
|
|
0753 *
|
| 1261 |
|
|
0754 * XESS 16 BIT IDE BOOT
|
| 1262 |
|
|
0755 *
|
| 1263 |
|
|
0756 IDEBOOT LDD #AUXRESET
|
| 1264 |
|
|
0757 STD CF_AUX
|
| 1265 |
|
|
0758 LDD #AUXRSTREL
|
| 1266 |
|
|
0759 STD CF_AUX
|
| 1267 |
|
|
0760 LDD #HEADLBA
|
| 1268 |
|
|
0761 STD CF_HEAD
|
| 1269 |
|
|
0762 BSR WAITRDY
|
| 1270 |
|
|
0763 *
|
| 1271 |
|
|
0764 * READ SECTORS FROM CF
|
| 1272 |
|
|
0765 *
|
| 1273 |
|
|
0766 LDD #$01
|
| 1274 |
|
|
0767 STD CF_SECCNT
|
| 1275 |
|
|
0768 CLRB
|
| 1276 |
|
|
0769 STD CF_SECNUM
|
| 1277 |
|
|
0770 STD CF_CYLLO
|
| 1278 |
|
|
0771 STD CF_CYLHI
|
| 1279 |
|
|
0772 *
|
| 1280 |
|
|
0773 LDB #CMDREAD ; IDE READ MULTIPLE
|
| 1281 |
|
|
0774 STD CF_COMAND
|
| 1282 |
|
|
0775 BSR WAITRDY
|
| 1283 |
|
|
0776 LDX #$C000
|
| 1284 |
|
|
0777 *
|
| 1285 |
|
|
0778 * READ LOOP
|
| 1286 |
|
|
0779 *
|
| 1287 |
|
|
0780 RDLOOP BSR WAITDRQ
|
| 1288 |
|
|
0781 LDD CF_DATA
|
| 1289 |
|
|
0782 STB ,X+
|
| 1290 |
|
|
0783 CMPX #$C100
|
| 1291 |
|
|
0784 BNE RDLOOP
|
| 1292 |
|
|
0785 *
|
| 1293 |
|
|
0786 LDX #$C000
|
| 1294 |
|
|
0787 STX $0A,U
|
| 1295 |
|
|
0788 TFR U,S
|
| 1296 |
|
|
0789 RTI
|
| 1297 |
|
|
0790 *
|
| 1298 |
|
|
0791 * WAIT UNTIL READY
|
| 1299 |
|
|
0792 *
|
| 1300 |
|
|
0793 WAITRDY LDD CF_STATUS
|
| 1301 |
|
|
0794 BITB #BUSY
|
| 1302 |
|
|
0795 BNE WAITRDY
|
| 1303 |
|
|
0796 LDD CF_STATUS
|
| 1304 |
|
|
0797 BITB #DRDY
|
| 1305 |
|
|
0798 BEQ WAITRDY
|
| 1306 |
|
|
0799 RTS
|
| 1307 |
|
|
0800 *
|
| 1308 |
|
|
0801 * WAIT FOR DATA REQUEST
|
| 1309 |
|
|
0802 *
|
| 1310 |
|
|
0803 WAITDRQ LDD CF_STATUS
|
| 1311 |
|
|
0804 BITB #DRQ
|
| 1312 |
|
|
0805 BEQ WAITDRQ
|
| 1313 |
|
|
0806 RTS
|
| 1314 |
|
|
0807 ENDIF IDEOPT
|
| 1315 |
|
|
0807 ENDIF IDEOPT
|
| 1316 |
|
|
0808 *
|
| 1317 |
|
|
0809 IFD RTCOPT
|
| 1318 |
|
|
0810 *
|
| 1319 |
|
|
0811 * CLOCK INTER FACE UTILITY
|
| 1320 |
|
|
0812 *
|
| 1321 |
|
|
0813 * TIME
|
| 1322 |
|
|
0814 * If no argument is specified, the current time
|
| 1323 |
|
|
0815 * will be displayed.
|
| 1324 |
|
|
0816 *
|
| 1325 |
|
|
0817 * READ A REGISTER FROM THE COUNTER.
|
| 1326 |
|
|
0818 * The X Index rgister points to the register
|
| 1327 |
|
|
0819 * to be read. The Status Register is checked
|
| 1328 |
|
|
0820 * before and after the register is read before
|
| 1329 |
|
|
0821 * returning a value in accumulator A
|
| 1330 |
|
|
0822 *
|
| 1331 |
|
|
0823 RDCLK TST CLKSTA
|
| 1332 |
|
|
0824 BNE RDCLK
|
| 1333 |
|
|
0825 RDCLK1 LDA 0,X
|
| 1334 |
|
|
0826 TST CLKSTA
|
| 1335 |
|
|
0827 BNE RDCLK1
|
| 1336 |
|
|
0828 RTS
|
| 1337 |
|
|
0829 *
|
| 1338 |
|
|
0830 * MAIN PROGRAM:
|
| 1339 |
|
|
0831 *
|
| 1340 |
|
|
0832 TIMSET LDX #COUNTR ; POINT TO TIMER
|
| 1341 |
|
|
0833 LBSR BYTE ; READ HOURS
|
| 1342 |
|
|
0834 BVS SHOWTM ; NO ARG, DISP TIME
|
| 1343 |
|
|
0835 STA HOUR,X
|
| 1344 |
|
|
0836 LBSR OUT1S
|
| 1345 |
|
|
0837 LBSR BYTE ; READ MINUITES
|
| 1346 |
|
|
0838 BVS SHOWTM
|
| 1347 |
|
|
0839 STA MINUIT,X
|
| 1348 |
|
|
0840 LBSR OUT1S
|
| 1349 |
|
|
0841 LBSR BYTE ; SECONDS.
|
| 1350 |
|
|
0842 BVS SHOWTM
|
| 1351 |
|
|
0843 STA SECOND,X
|
| 1352 |
|
|
0844 *
|
| 1353 |
|
|
0845 * DISPLAY CURRENT TIME
|
| 1354 |
|
|
0846 *
|
| 1355 |
|
|
0847 SHOWTM LBSR PCRLF
|
| 1356 |
|
|
0848 LDX #COUNTR+HOUR
|
| 1357 |
|
|
0849 LDB #3
|
| 1358 |
|
|
0850 SHOWLP BSR RDCLK
|
| 1359 |
|
|
0851 LBSR OUT2H
|
| 1360 |
|
|
0852 LDA #':
|
| 1361 |
|
|
0853 LBSR OUTCH
|
| 1362 |
|
|
0854 LEAX -1,X
|
| 1363 |
|
|
0855 DECB
|
| 1364 |
|
|
0856 BNE SHOWLP
|
| 1365 |
|
|
0857 RTS
|
| 1366 |
|
|
0858 *
|
| 1367 |
|
|
0859 * INITIATE CLOCK.
|
| 1368 |
|
|
0860 * MASK INTERRUPTS.
|
| 1369 |
|
|
0861 *
|
| 1370 |
|
|
0862 CLKINZ CLR CINTCR ; MASK ALL INTERRUPTS
|
| 1371 |
|
|
0863 TST CINTSR ; CLEAR ANY INTERRUPTS
|
| 1372 |
|
|
0864 RTS
|
| 1373 |
|
|
0865 ENDIF RTCOPT
|
| 1374 |
|
|
0865 ENDIF RTCOPT
|
| 1375 |
|
|
0866 IFD DATOPT
|
| 1376 |
|
|
0867 *
|
| 1377 |
|
|
0868 ***** LRA LOAD REAL ADDRESS *****
|
| 1378 |
|
|
0869 *
|
| 1379 |
|
|
0870 * THE FOLLOWING CODE LOADS THE 20-BIT
|
| 1380 |
|
|
0871 * PHYSICAL ADDRESS OF A MEMORY BYTE
|
| 1381 |
|
|
0872 * INTO THE "A" AND "X" REGISTERS. THIS
|
| 1382 |
|
|
0873 * ROUTINE IS ENTERED WITH THE LOGICAL
|
| 1383 |
|
|
0874 * ADDRESS OF A MEMORY BYTE IN THE "IX"
|
| 1384 |
|
|
0875 * REGISTER. EXIT IS MADE WITH THE HIGH-
|
| 1385 |
|
|
0876 * ORDER FOUR BITS OF THE 20-BIT PHYSICAL
|
| 1386 |
|
|
0877 * ADDRESS IN THE "A" REGISTER, AND THE
|
| 1387 |
|
|
0878 * LOW-ORDER 16-BITS OF THE 20-BIT
|
| 1388 |
|
|
0879 * PHYSICAL ADDRESS IN THE "IX" REGISTER.
|
| 1389 |
|
|
0880 * ALL OTHER REGISTERS ARE PRESERVED.
|
| 1390 |
|
|
0881 * THIS ROUTINE IS REQUIRED SINCE THE
|
| 1391 |
|
|
0882 * DMAF1 AND DMAF2 DISK CONTROLLERS MUST
|
| 1392 |
|
|
0883 * PRESENT PHYSICAL ADDRESSES ON THE
|
| 1393 |
|
|
0884 * SYSTEM BUS.
|
| 1394 |
|
|
0885 *
|
| 1395 |
|
|
0886 FA2E 34 36 LRA PSHS A,B,X,Y ; PUSH REGISTERS ON STACK
|
| 1396 |
|
|
0887 FA30 A6 62 LDA 2,S ; GET MSB LOGICAL ADDR FRM X REG ON STACK
|
| 1397 |
|
|
0888 FA32 44 LSRA ;
|
| 1398 |
|
|
0889 FA33 44 LSRA ; ADJ FOR INDEXED INTO
|
| 1399 |
|
|
0890 FA34 44 LSRA ; CORRESPONDING LOCATION
|
| 1400 |
|
|
0891 FA35 44 LSRA ; IN LRA TABLE
|
| 1401 |
|
|
0892 FA36 10 8E DF D0 LDY #LRARAM ; LOAD LRA TABLE BASE ADDRESS
|
| 1402 |
|
|
0893 FA3A E6 A6 LDB A,Y ; GET PHYSICAL ADDR. DATA FROM LRA TABLE
|
| 1403 |
|
|
0894 FA3C 54 LSRB ; ADJ. REAL ADDR. TO REFLECT EXTENDED
|
| 1404 |
|
|
0895 FA3D 54 LSRB ; PHYSICAL ADDRESS.
|
| 1405 |
|
|
0896 FA3E 54 LSRB ; EXTENDED MS 4-BITS ARE RETURNED
|
| 1406 |
|
|
0897 FA3F 54 LSRB ; IN THE "A" ACCUMULATOR
|
| 1407 |
|
|
0898 FA40 E7 E4 STB ,S ; MS 4 BITS IN A ACCUM. STORED ON STACK
|
| 1408 |
|
|
0899 FA42 E6 A6 LDB A,Y ; LOAD REAL ADDRESS DATA FROM LRA TABLE
|
| 1409 |
|
|
0900 FA44 53 COMB ; COMP TO ADJ FOR PHYSICAL ADDR. IN X REG
|
| 1410 |
|
|
0901 FA45 58 ASLB ; ADJ DATA FOR RELOCATION IN X REG
|
| 1411 |
|
|
0902 FA46 58 ASLB ;
|
| 1412 |
|
|
0903 FA47 58 ASLB ; $FB97
|
| 1413 |
|
|
0904 FA48 58 ASLB ;
|
| 1414 |
|
|
0905 FA49 A6 62 LDA 2,S ; GET MS BYTE OF LOGICAL ADDR.
|
| 1415 |
|
|
0906 FA4B 84 0F ANDA #$0F ; MASK MS NIBBLE OF LOGICAL ADDRESS
|
| 1416 |
|
|
0907 FA4D A7 62 STA 2,S ; SAVE IT IN X REG ON STACK
|
| 1417 |
|
|
0908 FA4F EA 62 ORB 2,S ; SET MS BYTE IN X REG TO ADJ PHY ADDR.
|
| 1418 |
|
|
0909 *
|
| 1419 |
|
|
0910 * PLUS LS NIBBLE OF LOGICAL ADDRESS
|
| 1420 |
|
|
0911 *
|
| 1421 |
|
|
0912 FA51 E7 62 STB 2,S ; SAVE AS LS 16 BITS OF PHY ADDR IN X REG ON STACK
|
| 1422 |
|
|
0913 FA53 35 B6 PULS A,B,X,Y,PC ; POP REGS. FROM STACK
|
| 1423 |
|
|
0914 ENDIF DATOPT
|
| 1424 |
|
|
0915 *
|
| 1425 |
|
|
0916 * DELAY LOOP
|
| 1426 |
|
|
0917 *
|
| 1427 |
|
|
0918 FA55 34 04 DLY PSHS B ; SAVE CONTENTS OF "B"
|
| 1428 |
|
|
0919 FA57 C6 20 LDB #$20 ; GET LOOP DELAY VALUE
|
| 1429 |
|
|
0920 FA59 5A SUB1 DECB ; SUBTRACT ONE FROM VALUE
|
| 1430 |
|
|
0921 FA5A 26 FD BNE SUB1 ; LOOP UNTIL ZERO
|
| 1431 |
|
|
0922 FA5C 35 84 PULS B,PC ; RESTORE CONTENTS OF "B"
|
| 1432 |
|
|
0923 * RTS ;
|
| 1433 |
|
|
0924 *
|
| 1434 |
|
|
0925 ***** "L" LOAD MIKBUG TAPE *****
|
| 1435 |
|
|
0926 *
|
| 1436 |
|
|
0927 FA5E BD FC E7 LOAD JSR ACINIZ
|
| 1437 |
|
|
0928 FA61 86 11 LDA #$11 ; LOAD 'DC1' CASS. READ ON CODE
|
| 1438 |
|
|
0929 FA63 17 02 68 LBSR OUTCH ; OUTPUT IT TO TERMINAL PORT
|
| 1439 |
|
|
0930 FA66 7F DF E2 CLR ECHO ; TURN OFF ECHO FLAG
|
| 1440 |
|
|
0931 FA69 17 02 2A LOAD1 LBSR ECHON ; INPUT 8 BIT BYTE WITH NO ECHO
|
| 1441 |
|
|
0932 FA6C 81 53 LOAD2 CMPA #'S ; IS IT AN "S", START CHARACTER ?
|
| 1442 |
|
|
0933 FA6E 26 F9 BNE LOAD1 ; IF NOT, DISCARD AND GET NEXT CHAR.
|
| 1443 |
|
|
0934 FA70 17 02 23 LBSR ECHON
|
| 1444 |
|
|
0935 FA73 81 39 CMPA #'9 ; IS IT A "9" , END OF FILE CHAR ?
|
| 1445 |
|
|
0936 FA75 27 3D BEQ LOAD21 ; IF SO, EXIT LOAD
|
| 1446 |
|
|
0937 FA77 81 31 CMPA #'1 ; IS IT A "1" , FILE LOAD CHAR ?
|
| 1447 |
|
|
0938 FA79 26 F1 BNE LOAD2 ; IF NOT, LOOK FOR START CHAR.
|
| 1448 |
|
|
0939 FA7B 17 01 A8 LBSR BYTE ; INPUT BYTE COUNT
|
| 1449 |
|
|
0940 FA7E 34 02 PSHS A ; PUSH COUNT ON STACK
|
| 1450 |
|
|
0941 FA80 29 26 BVS LODERR ; (V) C-CODE SET, ILLEGAL HEX
|
| 1451 |
|
|
0942 FA82 17 01 91 LBSR IN1ADR ; INPUT LOAD ADDRESS
|
| 1452 |
|
|
0943 FA85 29 21 BVS LODERR ; (V) C-CODE SET, ADDR NOT HEX
|
| 1453 |
|
|
0944 FA87 34 10 PSHS X ; PUSH ADDR ON STACK
|
| 1454 |
|
|
0945 FA89 E6 E0 LDB ,S+ ; LOAD MSB OF ADDR AS CHECKSUM BYTE
|
| 1455 |
|
|
0946 FA8B EB E0 ADDB ,S+ ; ADD LSB OF ADDR TO CHECKSUM
|
| 1456 |
|
|
0947 FA8D EB E4 ADDB ,S ; ADD BYTE COUNT BYTE TO CHECKSUM
|
| 1457 |
|
|
0948 FA8F 6A E4 DEC ,S ; $FC37 DECREMENT BYTE COUNT 2 TO BYPASS
|
| 1458 |
|
|
0949 FA91 6A E4 DEC ,S ; ADDRESS BYTES.
|
| 1459 |
|
|
0950 FA93 34 04 LOAD10 PSHS B ; PUSH CHECKSUM ON STACK
|
| 1460 |
|
|
0951 FA95 17 01 8E LBSR BYTE ; INPUT DATA BYTE (2 HEX CHAR)
|
| 1461 |
|
|
0952 FA98 35 04 PULS B ; POP CHECKSUM FROM STACK
|
| 1462 |
|
|
0953 FA9A 29 0C BVS LODERR ; (V) SET, DATA BYTE NOT HEX
|
| 1463 |
|
|
0954 FA9C 34 02 PSHS A ; PUSH DATA BYTE ON STACK
|
| 1464 |
|
|
0955 FA9E EB E0 ADDB ,S+ ; ADD DATA TO CHECKSUM, AUTO INC STACK
|
| 1465 |
|
|
0956 FAA0 6A E4 DEC ,S ; DECREMENT BYTE COUNT 1
|
| 1466 |
|
|
0957 FAA2 27 05 BEQ LOAD16 ; IF BYTE COUNT ZERO, TEST CHECKSUM
|
| 1467 |
|
|
0958 FAA4 A7 80 STA ,X+ ; SAVE DATA BYTE IN MEMORY
|
| 1468 |
|
|
0959 FAA6 20 EB BRA LOAD10 ; GET NEXT DATA BYTE
|
| 1469 |
|
|
0960 FAA8 5F LODERR CLRB ; ERROR CONDITION, ZERO CHECKSUM ;
|
| 1470 |
|
|
0961 FAA9 35 02 LOAD16 PULS A ; ADJUST STACK (REMOVE BYTE COUNT)
|
| 1471 |
|
|
0962 FAAB C1 FF CMPB #$FF ; CHECKSUM OK?
|
| 1472 |
|
|
0963 FAAD 27 BA BEQ LOAD1 ; IF SO, LOAD NEXT LINE
|
| 1473 |
|
|
0964 FAAF 86 3F LDA #'? ; LOAD (?) ERROR INDICATOR
|
| 1474 |
|
|
0965 FAB1 17 02 1A LBSR OUTCH ; OUTPUT IT TO TERMINAL
|
| 1475 |
|
|
0966 FAB4 73 DF E2 LOAD21 COM ECHO ; TURN ECHO ON
|
| 1476 |
|
|
0967 FAB7 86 13 LDA #$13 ; $FC5F LOAD 'DC3' CASS. READ OFF CODE
|
| 1477 |
|
|
0968 FAB9 16 02 12 LBRA OUTCH ; OUTPUT IT
|
| 1478 |
|
|
0969 *
|
| 1479 |
|
|
0970 ***** "P" PUNCH MIKBUG TAPE *****
|
| 1480 |
|
|
0971 *
|
| 1481 |
|
|
0972 FABC 6F E2 PUNCH CLR ,-S ; CLEAR RESERVED BYTE ON STACK
|
| 1482 |
|
|
0973 FABE 17 01 4A LBSR IN2ADR ; GET BEGIN AND END ADDRESS
|
| 1483 |
|
|
0974 FAC1 34 30 PSHS X,Y ; SAVE ADDRESSES ON STACK
|
| 1484 |
|
|
0975 FAC3 29 4D BVS PUNEXT ; (V) C-CODE SET, EXIT PUNCH
|
| 1485 |
|
|
0976 FAC5 AC 62 CMPX 2,S ; COMPARE BEGIN TO END ADDR
|
| 1486 |
|
|
0977 FAC7 25 49 BCS PUNEXT ; IF BEGIN GREATER THAN END, EXIT PUNCH
|
| 1487 |
|
|
0978 FAC9 30 01 LEAX 1,X ; INCREMENT END ADDRESS
|
| 1488 |
|
|
0979 FACB AF E4 STX ,S ; STORE END ADDR ON STACK
|
| 1489 |
|
|
0980 FACD BD FC E7 JSR ACINIZ
|
| 1490 |
|
|
0981 FAD0 86 12 LDA #$12 ; LOAD 'DC2' PUNCH ON CODE
|
| 1491 |
|
|
0982 FAD2 17 01 F9 LBSR OUTCH ; OUTPUT IT TO TERMINAL
|
| 1492 |
|
|
0983 FAD5 EC E4 PUNCH2 LDD ,S ; LOAD END ADDR IN D-ACC
|
| 1493 |
|
|
0984 FAD7 A3 62 SUBD 2,S ; SUBTRACT BEGIN FROM END
|
| 1494 |
|
|
0985 FAD9 27 06 BEQ PUNCH3 ; SAME, PUNCH 32 BYTES DEFAULT
|
| 1495 |
|
|
0986 FADB 10 83 00 20 CMPD #$20 ; LESS THAN 32 BYTES?
|
| 1496 |
|
|
0987 FADF 23 02 BLS PUNCH4 ; PUNCH THAT MANY BYTES
|
| 1497 |
|
|
0988 FAE1 C6 20 PUNCH3 LDB #$20 ; LOAD BYTE COUNT OF 32.
|
| 1498 |
|
|
0989 FAE3 E7 64 PUNCH4 STB 4,S ; STORE ON STACK AS BYTE COUNT
|
| 1499 |
|
|
0990 FAE5 8E FE E2 LDX #MSG20 ; POINT TO MSG "S1"
|
| 1500 |
|
|
0991 FAE8 17 00 2F LBSR PSTRNG ; PRINT MSG
|
| 1501 |
|
|
0992 FAEB CB 03 ADDB #3 ; ADD 3 BYTES TO BYTE COUNT
|
| 1502 |
|
|
0993 FAED 1F 98 TFR B,A ; GET BYTE COUNT IN A-ACC TO PUNCH
|
| 1503 |
|
|
0994 FAEF 17 01 75 LBSR OUT2H ; OUTPUT BYTE COUNT
|
| 1504 |
|
|
0995 FAF2 AE 62 LDX 2,S ; LOAD BEGIN ADDRESS
|
| 1505 |
|
|
0996 FAF4 17 01 68 LBSR OUT4H ; PUNCH ADDRESS
|
| 1506 |
|
|
0997 FAF7 EB 62 ADDB 2,S ; ADD ADDR MSB TO CHECKSUM
|
| 1507 |
|
|
0998 FAF9 EB 63 ADDB 3,S ; ADD ADDR LSB TO CHECKSUM
|
| 1508 |
|
|
0999 FAFB EB 84 PUNCHL ADDB ,X ; ADD DATA BYTE TO CHECKSUM
|
| 1509 |
|
|
1000 FAFD A6 80 LDA ,X+ ; LOAD DATA BYTE TO PUNCH
|
| 1510 |
|
|
1001 FAFF 17 01 65 LBSR OUT2H ; OUTPUT DATA BYTE
|
| 1511 |
|
|
1002 FB02 6A 64 DEC 4,S ; DECREMENT BYTE COUNT
|
| 1512 |
|
|
1003 FB04 26 F5 BNE PUNCHL ; NOT DONE, PUNCH NEXT BYTE
|
| 1513 |
|
|
1004 FB06 53 COMB 1's ; COMPLIMENT CHECKSUM BYTE
|
| 1514 |
|
|
1005 FB07 1F 98 TFR B,A ; GET IT IN A-ACC TO PUNCH
|
| 1515 |
|
|
1006 FB09 17 01 5B LBSR OUT2H ; OUTPUT CHECKSUM BYTE
|
| 1516 |
|
|
1007 FB0C AF 62 STX 2,S ; SAVE X-REG IN STACK AS NEW PUNCH ADDR
|
| 1517 |
|
|
1008 FB0E AC E4 CMPX ,S ; COMPARE IT TO END ADDR
|
| 1518 |
|
|
1009 FB10 26 C3 BNE PUNCH2 ; $FCB5 PUNCH NOT DONE, CONT.
|
| 1519 |
|
|
1010 FB12 86 14 PUNEXT LDA #$14 ; LOAD 'DC4' PUNCH OFF CODE
|
| 1520 |
|
|
1011 FB14 17 01 B7 LBSR OUTCH ; OUTPUT IT
|
| 1521 |
|
|
1012 FB17 32 65 LEAS 5,S ; READJUST STACK POINTER
|
| 1522 |
|
|
1013 FB19 39 RTS ;
|
| 1523 |
|
|
1014 *
|
| 1524 |
|
|
1015 * PRINT STRING PRECEEDED BY A CR & LF.
|
| 1525 |
|
|
1016 *
|
| 1526 |
|
|
1017 FB1A 8D 02 PSTRNG BSR PCRLF ; PRINT CR/LF
|
| 1527 |
|
|
1018 FB1C 20 71 BRA PDATA ; PRINT STRING POINTED TO BY IX
|
| 1528 |
|
|
1019 *
|
| 1529 |
|
|
1020 * PCRLF
|
| 1530 |
|
|
1021 *
|
| 1531 |
|
|
1022 FB1E 34 10 PCRLF PSHS X ; SAVE IX
|
| 1532 |
|
|
1023 FB20 8E FE 93 LDX #MSG2+1 ; POINT TO MSG CR/LF + 3 NULS
|
| 1533 |
|
|
1024 FB23 17 00 69 LBSR PDATA ; PRINT MSG
|
| 1534 |
|
|
1025 FB26 35 90 PULS X,PC ; RESTORE IX & RETURN
|
| 1535 |
|
|
1026 *
|
| 1536 |
|
|
1027 * LONG BRANCHES TO COMMON ROUTINES
|
| 1537 |
|
|
1028 *
|
| 1538 |
|
|
1029 FB28 16 01 A1 JOUT1S LBRA OUT1S
|
| 1539 |
|
|
1030 FB2B 16 00 F8 JBYTE LBRA BYTE
|
| 1540 |
|
|
1031 FB2E 16 00 E5 JIN1ADR LBRA IN1ADR
|
| 1541 |
|
|
1032 *
|
| 1542 |
|
|
1033 * ALTER "PC" PROGRAM COUNTER
|
| 1543 |
|
|
1034 *
|
| 1544 |
|
|
1035 FB31 17 00 91 ALTRPC LBSR PRTPC ; $FCF5 PRINT MSG " PC = "
|
| 1545 |
|
|
1036 FB34 8D F2 ALTPC1 BSR JOUT1S ; OUTPUT SPACE
|
| 1546 |
|
|
1037 FB36 8D F6 BSR JIN1ADR ; GET NEW CONTENTS FOR "PC"
|
| 1547 |
|
|
1038 FB38 29 02 BVS ALTPCD ; EXIT IF INVALID HEX
|
| 1548 |
|
|
1039 FB3A AF 4A STX 10,U ; POKE IN NEW CONTENTS
|
| 1549 |
|
|
1040 FB3C 39 ALTPCD RTS ;
|
| 1550 |
|
|
1041 *
|
| 1551 |
|
|
1042 * ALTER "U" USER STACK POINTER
|
| 1552 |
|
|
1043 *
|
| 1553 |
|
|
1044 FB3D 8D 61 ALTRU BSR PRTUS ; $FCCA PRINT MSG " US = "
|
| 1554 |
|
|
1045 FB3F 8D E7 BSR JOUT1S ; OUTPUT SPACE
|
| 1555 |
|
|
1046 FB41 8D EB BSR JIN1ADR ; GET NEW CONTENTS FOR "US"
|
| 1556 |
|
|
1047 FB43 29 02 BVS ALTUD ; EXIT IF INVALID HEX
|
| 1557 |
|
|
1048 FB45 AF 48 STX 8,U ; POKE IN NEW CONTENTS
|
| 1558 |
|
|
1049 FB47 39 ALTUD RTS ;
|
| 1559 |
|
|
1050 *
|
| 1560 |
|
|
1051 * ALTER "Y" INDEX REGISTER
|
| 1561 |
|
|
1052 *
|
| 1562 |
|
|
1053 FB48 8D 72 ALTRY BSR PRTIY ; PRINT MSG " IY = "
|
| 1563 |
|
|
1054 FB4A 8D DC BSR JOUT1S ; OUTPUT SPACE
|
| 1564 |
|
|
1055 FB4C 8D E0 BSR JIN1ADR ; GET NEW CONTENTS FOR "IY"
|
| 1565 |
|
|
1056 FB4E 29 02 BVS ALTYD ; EXIT IF INVALID HEX
|
| 1566 |
|
|
1057 FB50 AF 46 STX 6,U ; $F8F0 POKE IN NEW CONTENTS
|
| 1567 |
|
|
1058 FB52 39 ALTYD RTS ;
|
| 1568 |
|
|
1059 *
|
| 1569 |
|
|
1060 * ALTER "X" INDEX REGISTER
|
| 1570 |
|
|
1061 *
|
| 1571 |
|
|
1062 FB53 8D 5E ALTRX BSR PRTIX ; $FCE0 PRINT MSG " IX = "
|
| 1572 |
|
|
1063 FB55 8D D1 BSR JOUT1S ; OUTPUT SPACE
|
| 1573 |
|
|
1064 FB57 8D D5 BSR JIN1ADR
|
| 1574 |
|
|
1065 FB59 29 02 BVS ALTXD
|
| 1575 |
|
|
1066 FB5B AF 44 STX 4,U
|
| 1576 |
|
|
1067 FB5D 39 ALTXD RTS ;
|
| 1577 |
|
|
1068 *
|
| 1578 |
|
|
1069 * ALTER "DP" DIRECT PAGE REGISTER
|
| 1579 |
|
|
1070 *
|
| 1580 |
|
|
1071 FB5E 8D 49 ALTRDP BSR PRTDP ; $FCD5 PRINT MSG " DP = "
|
| 1581 |
|
|
1072 FB60 8D C6 BSR JOUT1S ; OUTPUT SPACE
|
| 1582 |
|
|
1073 FB62 8D C7 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1583 |
|
|
1074 FB64 29 02 BVS ALTDPD
|
| 1584 |
|
|
1075 FB66 A7 43 STA 3,U
|
| 1585 |
|
|
1076 FB68 39 ALTDPD RTS ;
|
| 1586 |
|
|
1077 *
|
| 1587 |
|
|
1078 * ALTER "B" ACCUMULATOR
|
| 1588 |
|
|
1079 *
|
| 1589 |
|
|
1080 FB69 8D 6C ALTRB BSR PRTB ; $FD09 PRINT MSG " B = "
|
| 1590 |
|
|
1081 FB6B 8D BB BSR JOUT1S ; OUTPUT SPACE
|
| 1591 |
|
|
1082 FB6D 8D BC BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1592 |
|
|
1083 FB6F 29 02 BVS ALTBD
|
| 1593 |
|
|
1084 FB71 A7 42 STA 2,U
|
| 1594 |
|
|
1085 FB73 39 ALTBD RTS ; $F91C
|
| 1595 |
|
|
1086 *
|
| 1596 |
|
|
1087 * ALTER "A" ACCUMULATOR
|
| 1597 |
|
|
1088 *
|
| 1598 |
|
|
1089 FB74 8D 58 ALTRA BSR PRTA ; $FCFF RINT MSG " A = "
|
| 1599 |
|
|
1090 FB76 8D B0 BSR JOUT1S ; OUTPUT SPACE
|
| 1600 |
|
|
1091 FB78 8D B1 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1601 |
|
|
1092 FB7A 29 02 BVS ALTAD
|
| 1602 |
|
|
1093 FB7C A7 41 STA 1,U
|
| 1603 |
|
|
1094 FB7E 39 ALTAD RTS ;
|
| 1604 |
|
|
1095 *
|
| 1605 |
|
|
1096 * ALTER "CC" REGISTER
|
| 1606 |
|
|
1097 *
|
| 1607 |
|
|
1098 FB7F 8D 5F ALTRCC BSR PRTCC ; $FD13 PRINT MSG " CC: "
|
| 1608 |
|
|
1099 FB81 8D A5 BSR JOUT1S ; OUTPUT SPACE
|
| 1609 |
|
|
1100 FB83 8D A6 BSR JBYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1610 |
|
|
1101 FB85 29 04 BVS ALTCCD
|
| 1611 |
|
|
1102 FB87 8A 80 ORA #$80 ; SETS "E" FLAG IN PRINT LIST
|
| 1612 |
|
|
1103 FB89 A7 C4 STA ,U
|
| 1613 |
|
|
1104 FB8B 39 ALTCCD RTS ;
|
| 1614 |
|
|
1105 *
|
| 1615 |
|
|
1106 * PDATA
|
| 1616 |
|
|
1107 *
|
| 1617 |
|
|
1108 FB8C 17 01 3F PRINT LBSR OUTCH
|
| 1618 |
|
|
1109 FB8F A6 80 PDATA LDA ,X+ ; GET 1st CHAR. TO PRINT
|
| 1619 |
|
|
1110 FB91 81 04 CMPA #4 ; IS IT EOT?
|
| 1620 |
|
|
1111 FB93 26 F7 BNE PRINT ; IF NOT EOT PRINT IT
|
| 1621 |
|
|
1112 FB95 39 RTS ;
|
| 1622 |
|
|
1113 *
|
| 1623 |
|
|
1114 * PRINT REGISTERS
|
| 1624 |
|
|
1115 *
|
| 1625 |
|
|
1116 FB96 8E FE A5 PRTSP LDX #MSG10 ; POINT TO MSG "SP="
|
| 1626 |
|
|
1117 FB99 8D F4 BSR PDATA ; PRINT MSG
|
| 1627 |
|
|
1118 FB9B 1F 31 TFR U,X
|
| 1628 |
|
|
1119 FB9D 16 00 BF JOUT4H LBRA OUT4H
|
| 1629 |
|
|
1120 *
|
| 1630 |
|
|
1121 FBA0 8E FE B1 PRTUS LDX #MSG12 ; POINT TO MSG "US="
|
| 1631 |
|
|
1122 FBA3 8D EA BSR PDATA ; PRINT MSG
|
| 1632 |
|
|
1123 FBA5 AE 48 LDX 8,U
|
| 1633 |
|
|
1124 FBA7 20 F4 BRA JOUT4H
|
| 1634 |
|
|
1125 *
|
| 1635 |
|
|
1126 FBA9 8E FE C3 PRTDP LDX #MSG15 ; POINT TO MSG "DP="
|
| 1636 |
|
|
1127 FBAC 8D E1 BSR PDATA ; PRINT MSG
|
| 1637 |
|
|
1128 FBAE A6 43 LDA 3,U
|
| 1638 |
|
|
1129 FBB0 16 00 B4 JOUT2H LBRA OUT2H ; OUTPUT HEX BYTE AS ASCII
|
| 1639 |
|
|
1130 *
|
| 1640 |
|
|
1131 FBB3 8E FE BD PRTIX LDX #MSG14 ; POINT TO MSG "IX="
|
| 1641 |
|
|
1132 FBB6 8D D7 BSR PDATA ; PRINT MSG
|
| 1642 |
|
|
1133 FBB8 AE 44 LDX 4,U ; $FCE6
|
| 1643 |
|
|
1134 FBBA 20 E1 BRA JOUT4H
|
| 1644 |
|
|
1135 *
|
| 1645 |
|
|
1136 FBBC 8E FE B7 PRTIY LDX #MSG13 ; POINT TO MSG "IY="
|
| 1646 |
|
|
1137 FBBF 8D CE BSR PDATA ; PRINT MSG
|
| 1647 |
|
|
1138 FBC1 AE 46 LDX 6,U
|
| 1648 |
|
|
1139 FBC3 20 D8 BRA JOUT4H
|
| 1649 |
|
|
1140 *
|
| 1650 |
|
|
1141 FBC5 8E FE AB PRTPC LDX #MSG11 ; POINT TO MSG "PC="
|
| 1651 |
|
|
1142 FBC8 8D C5 BSR PDATA ; PRINT MSG
|
| 1652 |
|
|
1143 FBCA AE 4A LDX 10,U
|
| 1653 |
|
|
1144 FBCC 20 CF BRA JOUT4H
|
| 1654 |
|
|
1145 *
|
| 1655 |
|
|
1146 FBCE 8E FE C9 PRTA LDX #MSG16 ; POINT TO MSG "A="
|
| 1656 |
|
|
1147 FBD1 8D BC BSR PDATA ; PRINT MSG
|
| 1657 |
|
|
1148 FBD3 A6 41 LDA 1,U
|
| 1658 |
|
|
1149 FBD5 20 D9 BRA JOUT2H ; OUTPUT HEX BYTE AS ASCII
|
| 1659 |
|
|
1150 *
|
| 1660 |
|
|
1151 FBD7 8E FE CE PRTB LDX #MSG17 ; POINT TO MSG "B="
|
| 1661 |
|
|
1152 FBDA 8D B3 BSR PDATA ; PRINT MSG
|
| 1662 |
|
|
1153 FBDC A6 42 LDA 2,U
|
| 1663 |
|
|
1154 FBDE 20 D0 BRA JOUT2H ; OUTPUT HEX BYTE AS ASCII
|
| 1664 |
|
|
1155 *
|
| 1665 |
|
|
1156 FBE0 8E FE D3 PRTCC LDX #MSG18 ; POINT TO MSG "CC:"
|
| 1666 |
|
|
1157 FBE3 8D AA BSR PDATA ; PRINT MSG
|
| 1667 |
|
|
1158 FBE5 A6 C4 LDA ,U
|
| 1668 |
|
|
1159 FBE7 8E FE DA LDX #MSG19 ; POINT TO MSG "EFHINZVC"
|
| 1669 |
|
|
1160 FBEA 16 00 90 LBRA BIASCI ; OUTPUT IN BINARY/ASCII FORMAT
|
| 1670 |
|
|
1161 *
|
| 1671 |
|
|
1162 * "R" DISPLAY REGISTERS
|
| 1672 |
|
|
1163 *
|
| 1673 |
|
|
1164 FBED 8E FE A1 REGSTR LDX #MSG5 ; POINT TO MSG " - "
|
| 1674 |
|
|
1165 FBF0 17 FF 27 LBSR PSTRNG ; PRINT MSG
|
| 1675 |
|
|
1166 FBF3 8D A1 BSR PRTSP ; $FCBF
|
| 1676 |
|
|
1167 FBF5 8D A9 BSR PRTUS ; $FCCA
|
| 1677 |
|
|
1168 FBF7 8D B0 BSR PRTDP ; $FCD5
|
| 1678 |
|
|
1169 FBF9 8D B8 BSR PRTIX ; $FCE0
|
| 1679 |
|
|
1170 FBFB 8D BF BSR PRTIY ; $FCEB
|
| 1680 |
|
|
1171 FBFD 8E FE A1 LDX #MSG5 ; POINT TO MSG " - "
|
| 1681 |
|
|
1172 FC00 17 FF 17 LBSR PSTRNG ; PRINT MSG
|
| 1682 |
|
|
1173 FC03 8D C0 BSR PRTPC ; $FCF5
|
| 1683 |
|
|
1174 FC05 8D C7 BSR PRTA ; $FCFF
|
| 1684 |
|
|
1175 FC07 8D CE BSR PRTB ; $FD09
|
| 1685 |
|
|
1176 FC09 20 D5 BRA PRTCC ; $FD13
|
| 1686 |
|
|
1177 *
|
| 1687 |
|
|
1178 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
| 1688 |
|
|
1179 * OPERATOR TO INPUT TWO VALID HEX ADDRESSES.
|
| 1689 |
|
|
1180 * THE FIRST ADDRESS INPUT IS RETURNED IN "IY".
|
| 1690 |
|
|
1181 * THE SECOND IS RETURNED IN "IX". THE "V" BIT
|
| 1691 |
|
|
1182 * IN THE C-CODE REG. IS SET IF AN INVALID HEX
|
| 1692 |
|
|
1183 * ADDRESS IS INPUT.
|
| 1693 |
|
|
1184 *
|
| 1694 |
|
|
1185 FC0B 8D 09 IN2ADR BSR IN1ADR ; GET FIRST ADDRESS
|
| 1695 |
|
|
1186 FC0D 29 4D BVS NOTHEX ; EXIT IF NOT VALID HEX
|
| 1696 |
|
|
1187 FC0F 1F 12 TFR X,Y ; SAVE FIRST ADDR. IN "IY"
|
| 1697 |
|
|
1188 FC11 86 2D LDA #'-
|
| 1698 |
|
|
1189 FC13 17 00 B8 LBSR OUTCH ; PRINT " - "
|
| 1699 |
|
|
1190 *
|
| 1700 |
|
|
1191 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
| 1701 |
|
|
1192 * OPERATOR TO INPUT ONE VALID HEX ADDRESS. THE
|
| 1702 |
|
|
1193 * ADDRESS IS RETURNED IN THE "X" REGISTER.
|
| 1703 |
|
|
1194 *
|
| 1704 |
|
|
1195 FC16 8D 0E IN1ADR BSR BYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1705 |
|
|
1196 FC18 29 42 BVS NOTHEX ; EXIT IF NOT VALID HEX
|
| 1706 |
|
|
1197 FC1A 1F 01 TFR D,X
|
| 1707 |
|
|
1198 FC1C 8D 08 BSR BYTE ; INPUT BYTE (2 HEX CHAR)
|
| 1708 |
|
|
1199 FC1E 29 3C BVS NOTHEX
|
| 1709 |
|
|
1200 FC20 34 10 PSHS X
|
| 1710 |
|
|
1201 FC22 A7 61 STA 1,S
|
| 1711 |
|
|
1202 FC24 35 90 PULS X,PC
|
| 1712 |
|
|
1203 *
|
| 1713 |
|
|
1204 ***** INPUT BYTE (2 HEX CHAR.) *****
|
| 1714 |
|
|
1205 *
|
| 1715 |
|
|
1206 FC26 8D 11 BYTE BSR INHEX ; GET HEX LEFT
|
| 1716 |
|
|
1207 FC28 29 32 BVS NOTHEX ; EXIT IF NOT VALID HEX
|
| 1717 |
|
|
1208 FC2A 48 ASLA ;
|
| 1718 |
|
|
1209 FC2B 48 ASLA ;
|
| 1719 |
|
|
1210 FC2C 48 ASLA ; SHIFT INTO LEFT NIBBLE
|
| 1720 |
|
|
1211 FC2D 48 ASLA ;
|
| 1721 |
|
|
1212 FC2E 1F 89 TFR A,B ; PUT HEXL IN "B"
|
| 1722 |
|
|
1213 FC30 8D 07 BSR INHEX ; GET HEX RIGHT
|
| 1723 |
|
|
1214 FC32 29 28 BVS NOTHEX ; EXIT IF NOT VALID HEX
|
| 1724 |
|
|
1215 FC34 34 04 PSHS B ; PUSH HEXL ON STACK
|
| 1725 |
|
|
1216 FC36 AB E0 ADDA ,S+ ; ADD HEXL TO HEXR AND ADJ. STK
|
| 1726 |
|
|
1217 FC38 39 RTS ; RETURN WITH HEX L&R IN "A"
|
| 1727 |
|
|
1218 *
|
| 1728 |
|
|
1219 *
|
| 1729 |
|
|
1220 FC39 8D 5B INHEX BSR ECHON ; INPUT ASCII CHAR.
|
| 1730 |
|
|
1221 FC3B 81 30 CMPA #'0 ; IS IT > OR = "0" ?
|
| 1731 |
|
|
1222 FC3D 25 1D BCS NOTHEX ; IF LESS IT AIN'T HEX
|
| 1732 |
|
|
1223 FC3F 81 39 CMPA #'9 ; IS IT < OR = "9" ?
|
| 1733 |
|
|
1224 FC41 22 03 BHI INHEXA ; IF > MAYBE IT'S ALPHA
|
| 1734 |
|
|
1225 FC43 80 30 SUBA #$30 ; ASCII ADJ. NUMERIC
|
| 1735 |
|
|
1226 FC45 39 RTS ;
|
| 1736 |
|
|
1227 *
|
| 1737 |
|
|
1228 *
|
| 1738 |
|
|
1229 FC46 81 41 INHEXA CMPA #'A ; IS IT > OR = "A"
|
| 1739 |
|
|
1230 FC48 25 12 BCS NOTHEX ; IF LESS IT AIN'T HEX
|
| 1740 |
|
|
1231 FC4A 81 46 CMPA #'F ; IS IT < OR = "F" ?
|
| 1741 |
|
|
1232 FC4C 22 03 BHI INHEXL ; IF > IT AIN'T HEX
|
| 1742 |
|
|
1233 FC4E 80 37 SUBA #'A-10 ; ($37) ASCII ADJ. ALPHA
|
| 1743 |
|
|
1234 FC50 39 RTS ;
|
| 1744 |
|
|
1235 *
|
| 1745 |
|
|
1236 FC51 81 61 INHEXL CMPA #'a ; IS IT > OR = "a"
|
| 1746 |
|
|
1237 FC53 25 07 BCS NOTHEX ; IF LESS IT AIN'T HEX
|
| 1747 |
|
|
1238 FC55 81 66 CMPA #'f ; IS IT < "f"
|
| 1748 |
|
|
1239 FC57 22 03 BHI NOTHEX ; IF > IT AIN'T HEX
|
| 1749 |
|
|
1240 FC59 80 57 SUBA #'a-10 ; ($57) ADJUST TO LOWER CASE
|
| 1750 |
|
|
1241 FC5B 39 RTS ;
|
| 1751 |
|
|
1242 *
|
| 1752 |
|
|
1243 *
|
| 1753 |
|
|
1244 FC5C 1A 02 NOTHEX ORCC #2 ; SET (V) FLAG IN C-CODES REGISTER
|
| 1754 |
|
|
1245 FC5E 39 RTS ;
|
| 1755 |
|
|
1246 *
|
| 1756 |
|
|
1247 *
|
| 1757 |
|
|
1248 FC5F 34 10 OUT4H PSHS X ; PUSH X-REG. ON THE STACK
|
| 1758 |
|
|
1249 FC61 35 02 PULS A ; POP MS BYTE OF X-REG INTO A-ACC.
|
| 1759 |
|
|
1250 FC63 8D 02 BSR OUTHL ; OUTPUT HEX LEFT
|
| 1760 |
|
|
1251 FC65 35 02 PULS A ; POP LS BYTE OF X-REG INTO A-ACC.
|
| 1761 |
|
|
1252 FC67 OUTHL EQU *
|
| 1762 |
|
|
1253 FC67 34 02 OUT2H PSHS A ; SAVE IT BACK ON STACK
|
| 1763 |
|
|
1254 FC69 44 LSRA ; CONVERT UPPER HEX NIBBLE TO ASCII
|
| 1764 |
|
|
1255 FC6A 44 LSRA ;
|
| 1765 |
|
|
1256 FC6B 44 LSRA ;
|
| 1766 |
|
|
1257 FC6C 44 LSRA ;
|
| 1767 |
|
|
1258 FC6D 8D 04 BSR XASCII ; PRINT HEX NIBBLE AS ASCII
|
| 1768 |
|
|
1259 FC6F 35 02 OUTHR PULS A ; CONVERT LOWER HEX NIBBLE TO ASCII
|
| 1769 |
|
|
1260 FC71 84 0F ANDA #$0F ; STRIP LEFT NIBBLE
|
| 1770 |
|
|
1261 FC73 8B 30 XASCII ADDA #$30 ; ASCII ADJ
|
| 1771 |
|
|
1262 FC75 81 39 CMPA #$39 ; IS IT < OR = "9" ?
|
| 1772 |
|
|
1263 FC77 2F 02 BLE OUTC ; IF LESS, OUTPUT IT
|
| 1773 |
|
|
1264 FC79 8B 07 ADDA #7 ; IF > MAKE ASCII LETTER
|
| 1774 |
|
|
1265 FC7B 20 51 OUTC BRA OUTCH ; OUTPUT CHAR
|
| 1775 |
|
|
1266 *
|
| 1776 |
|
|
1267 * BINARY / ASCII --- THIS ROUTINE
|
| 1777 |
|
|
1268 * OUTPUTS A BYTE IN ENHANCED
|
| 1778 |
|
|
1269 * BINARY FORMAT. THE ENHANCEMENT
|
| 1779 |
|
|
1270 * IS DONE BY SUBSTITUTING ASCII
|
| 1780 |
|
|
1271 * LETTERS FOR THE ONES IN THE BYTE.
|
| 1781 |
|
|
1272 * THE ASCII ENHANCEMENT LETTERS
|
| 1782 |
|
|
1273 * ARE OBTAINED FROM THE STRING
|
| 1783 |
|
|
1274 * POINTED TO BY THE INDEX REG. "X".
|
| 1784 |
|
|
1275 *
|
| 1785 |
|
|
1276 FC7D 34 02 BIASCI PSHS A ; SAVE "A" ON STACK
|
| 1786 |
|
|
1277 FC7F C6 08 LDB #8 ; PRESET LOOP# TO BITS PER BYTE
|
| 1787 |
|
|
1278 FC81 A6 80 OUTBA LDA ,X+ ; GET LETTER FROM STRING
|
| 1788 |
|
|
1279 FC83 68 E4 ASL ,S ; TEST BYTE FOR "1" IN B7
|
| 1789 |
|
|
1280 FC85 25 02 BCS PRTBA ; IF ONE PRINT LETTER
|
| 1790 |
|
|
1281 FC87 86 2D LDA #'- ; IF ZERO PRINT "-"
|
| 1791 |
|
|
1282 FC89 8D 43 PRTBA BSR OUTCH ; PRINT IT
|
| 1792 |
|
|
1283 FC8B 8D 3F BSR OUT1S ; PRINT SPACE
|
| 1793 |
|
|
1284 FC8D 5A DECB ; SUB 1 FROM #BITS YET TO PRINT
|
| 1794 |
|
|
1285 FC8E 26 F1 BNE OUTBA
|
| 1795 |
|
|
1286 FC90 35 82 PULS A,PC
|
| 1796 |
|
|
1287 *
|
| 1797 |
|
|
1288 IFD EXTOPT
|
| 1798 |
|
|
1289 *
|
| 1799 |
|
|
1290 * EXTENDED USER COMMANDS
|
| 1800 |
|
|
1291 *
|
| 1801 |
|
|
1292 FC92 6E 9F F0 00 USRCMD JMP [MONEXT+EXTCMD]
|
| 1802 |
|
|
1293 ENDIF EXTOPT
|
| 1803 |
|
|
1294 *
|
| 1804 |
|
|
1295 *
|
| 1805 |
|
|
1296 FC96 7D DF E2 ECHON TST ECHO ; IS ECHO REQUIRED ?
|
| 1806 |
|
|
1297 FC99 27 06 BEQ INCH ; ECHO NOT REQ. IF CLEAR
|
| 1807 |
|
|
1298 *
|
| 1808 |
|
|
1299 * INCHE
|
| 1809 |
|
|
1300 *
|
| 1810 |
|
|
1301 * GETS CHARACTER FROM TERMINAL AND
|
| 1811 |
|
|
1302 * ECHOS SAME. THE CHARACTER IS RETURNED
|
| 1812 |
|
|
1303 * IN THE "A" ACCUMULATOR WITH THE PARITY
|
| 1813 |
|
|
1304 * BIT MASKED OFF. ALL OTHER REGISTERS
|
| 1814 |
|
|
1305 * ARE PRESERVED.
|
| 1815 |
|
|
1306 *
|
| 1816 |
|
|
1307 FC9B 8D 04 INCHE BSR INCH ; GET CHAR FROM TERMINAL
|
| 1817 |
|
|
1308 FC9D 84 7F ANDA #$7F ; STRIP PARITY FROM CHAR.
|
| 1818 |
|
|
1309 FC9F 20 2D BRA OUTCH ; ECHO CHAR TO TERMINAL
|
| 1819 |
|
|
1310 *
|
| 1820 |
|
|
1311 * INCH
|
| 1821 |
|
|
1312 *
|
| 1822 |
|
|
1313 * GET CHARACTER FROM TERMINAL. RETURN
|
| 1823 |
|
|
1314 * CHARACTER IN "A" ACCUMULATOR AND PRESERVE
|
| 1824 |
|
|
1315 * ALL OTHER REGISTERS. THE INPUT CHARACTER
|
| 1825 |
|
|
1316 * IS 8 BITS AND IS NOT ECHOED.
|
| 1826 |
|
|
1317 *
|
| 1827 |
|
|
1318 *
|
| 1828 |
|
|
1319 FCA1 34 10 INCH PSHS X ; SAVE IX
|
| 1829 |
|
|
1320 IFD HFCOPT
|
| 1830 |
|
|
1321 LDA #$11 ; SET RTS* LOW, REQUEST FAR END TO TX
|
| 1831 |
|
|
1322 STA [CPORT]
|
| 1832 |
|
|
1323 ENDIF HFCOPT
|
| 1833 |
|
|
1323 ENDIF HFCOPT
|
| 1834 |
|
|
1324 FCA3 BE DF E0 GETSTA LDX CPORT ; POINT TO TERMINAL PORT
|
| 1835 |
|
|
1325 FCA6 A6 84 LDA ,X ; FETCH PORT STATUS
|
| 1836 |
|
|
1326 FCA8 85 01 BITA #1 ; TEST READY BIT, RDRF ?
|
| 1837 |
|
|
1327 IFD PS2OPT
|
| 1838 |
|
|
1328 FCAA 26 09 BNE GETST1
|
| 1839 |
|
|
1329 FCAC 8E E0 20 LDX #PS2KBD
|
| 1840 |
|
|
1330 FCAF A6 84 LDA ,X
|
| 1841 |
|
|
1331 FCB1 85 01 BITA #1
|
| 1842 |
|
|
1332 ENDIF PS2OPT
|
| 1843 |
|
|
1333 FCB3 27 EE BEQ GETSTA ; IF NOT RDY, THEN TRY AGAIN
|
| 1844 |
|
|
1334 FCB5 GETST1 EQU *
|
| 1845 |
|
|
1335 IFD HFCOPT
|
| 1846 |
|
|
1336 LDA #$51 ; SET RTS* HIGH, STOP FAR END FROM TXING, UNTIL NEXT INPUT
|
| 1847 |
|
|
1337 STA [CPORT]
|
| 1848 |
|
|
1338 ENDIF HFCOPT
|
| 1849 |
|
|
1338 ENDIF HFCOPT
|
| 1850 |
|
|
1339 FCB5 A6 01 LDA 1,X ; FETCH CHAR
|
| 1851 |
|
|
1340 FCB7 35 90 PULS X,PC ; RESTORE IX
|
| 1852 |
|
|
1341 *
|
| 1853 |
|
|
1342 * INCHEK
|
| 1854 |
|
|
1343 *
|
| 1855 |
|
|
1344 * CHECK FOR A CHARACTER AVAILABLE FROM
|
| 1856 |
|
|
1345 * THE TERMINAL. THE SERIAL PORT IS CHECKED
|
| 1857 |
|
|
1346 * FOR READ READY. ALL REGISTERS ARE
|
| 1858 |
|
|
1347 * PRESERVED, AND THE "Z" BIT WILL BE
|
| 1859 |
|
|
1348 * CLEAR IF A CHARACTER CAN BE READ.
|
| 1860 |
|
|
1349 *
|
| 1861 |
|
|
1350 *
|
| 1862 |
|
|
1351 FCB9 34 02 INCHEK PSHS A ; SAVE A ACCUM
|
| 1863 |
|
|
1352 IFD HFCOPT
|
| 1864 |
|
|
1353 LDA #$11 ; SET RTS* LOW, REQUEST FAR END TO TX
|
| 1865 |
|
|
1354 STA [CPORT]
|
| 1866 |
|
|
1355 ENDIF HFCOPT
|
| 1867 |
|
|
1355 ENDIF HFCOPT
|
| 1868 |
|
|
1356 FCBB A6 9F DF E0 LDA [CPORT] ; FETCH PORT STATUS
|
| 1869 |
|
|
1357 FCBF 85 01 BITA #1 ; TEST READY BIT, RDRF ?
|
| 1870 |
|
|
1358 IFD PS2OPT
|
| 1871 |
|
|
1359 FCC1 26 05 BNE INCHEK1
|
| 1872 |
|
|
1360 FCC3 B6 E0 20 LDA PS2KBD
|
| 1873 |
|
|
1361 FCC6 85 01 BITA #1 ; TEST READY BIT< RDRF ?
|
| 1874 |
|
|
1362 ENDIF PS2OPT
|
| 1875 |
|
|
1363 FCC8 35 82 INCHEK1 PULS A,PC ; RESTORE A ACCUM.
|
| 1876 |
|
|
1364 *
|
| 1877 |
|
|
1365 FCCA 8D 00 OUT2S BSR OUT1S ; OUTPUT 2 SPACES
|
| 1878 |
|
|
1366 FCCC 86 20 OUT1S LDA #$20 ; OUTPUT 1 SPACE
|
| 1879 |
|
|
1367 *
|
| 1880 |
|
|
1368 *
|
| 1881 |
|
|
1369 * OUTCH
|
| 1882 |
|
|
1370 *
|
| 1883 |
|
|
1371 * OUTPUT CHARACTER TO TERMINAL.
|
| 1884 |
|
|
1372 * THE CHAR. TO BE OUTPUT IS
|
| 1885 |
|
|
1373 * PASSED IN THE A REGISTER.
|
| 1886 |
|
|
1374 * ALL REGISTERS ARE PRESERVED.
|
| 1887 |
|
|
1375 *
|
| 1888 |
|
|
1376 OUTCH IFD VDUOPT
|
| 1889 |
|
|
1377 FCCE 8D 49 BSR VOUTCH
|
| 1890 |
|
|
1378 ENDIF VDUOPT
|
| 1891 |
|
|
1379 IFD DG640OPT
|
| 1892 |
|
|
1380 BSR VOUTCH
|
| 1893 |
|
|
1381 ENDIF DG640OPT
|
| 1894 |
|
|
1381 ENDIF DG640OPT
|
| 1895 |
|
|
1382 FCD0 34 12 AOUTCH PSHS A,X ; SAVE A ACCUM AND IX
|
| 1896 |
|
|
1383 FCD2 BE DF E0 LDX CPORT ; GET ADDR. OF TERMINAL
|
| 1897 |
|
|
1384 FCD5 A6 84 FETSTA LDA ,X ; FETCH PORT STATUS
|
| 1898 |
|
|
1385 FCD7 85 02 BITA #2 ; TEST TDRE, OK TO XMIT ?
|
| 1899 |
|
|
1386 FCD9 27 FA BEQ FETSTA ; IF NOT LOOP UNTIL RDY
|
| 1900 |
|
|
1387 FCDB 85 08 BITA #8 ; CLEAR TO SEND ?
|
| 1901 |
|
|
1388 FCDD 26 F6 BNE FETSTA ; NO, LOOP UNTIL CLEAR
|
| 1902 |
|
|
1389 FCDF 35 02 PULS A ; GET CHAR. FOR XMIT
|
| 1903 |
|
|
1390 FCE1 A7 01 STA 1,X ; XMIT CHAR.
|
| 1904 |
|
|
1391 FCE3 35 90 PULS X,PC ; RESTORE IX
|
| 1905 |
|
|
1392 *
|
| 1906 |
|
|
1393 * IO INITIALIZATION
|
| 1907 |
|
|
1394 *
|
| 1908 |
|
|
1395 FCE5 IOINIZ EQU *
|
| 1909 |
|
|
1396 IFD VDUOPT
|
| 1910 |
|
|
1397 FCE5 8D 13 BSR VINIZ
|
| 1911 |
|
|
1398 ENDIF VDUOPT
|
| 1912 |
|
|
1399 IFD DG640OPT
|
| 1913 |
|
|
1400 BSR VINIZ
|
| 1914 |
|
|
1401 ENDIF DG640OPT
|
| 1915 |
|
|
1401 ENDIF DG640OPT
|
| 1916 |
|
|
1402 FCE7 BE DF E0 ACINIZ LDX CPORT ; POINT TO CONTROL PORT ADDRESS
|
| 1917 |
|
|
1403 FCEA 86 03 LDA #3 ; RESET ACIA PORT CODE
|
| 1918 |
|
|
1404 FCEC A7 84 STA ,X ; STORE IN CONTROL REGISTER
|
| 1919 |
|
|
1405 FCEE 86 51 LDA #$51 ; SET 8 DATA, 2 STOP AN 0 PARITY RTS* HIGH
|
| 1920 |
|
|
1406 FCF0 A7 84 STA ,X ; STORE IN CONTROL REGISTER
|
| 1921 |
|
|
1407 FCF2 6D 01 TST 1,X ; ANYTHING IN DATA REGISTER?
|
| 1922 |
|
|
1408 FCF4 86 FF LDA #$FF ; TURN ON ECHO FLAG
|
| 1923 |
|
|
1409 FCF6 B7 DF E2 STA ECHO
|
| 1924 |
|
|
1410 FCF9 39 RTS
|
| 1925 |
|
|
1411 *
|
| 1926 |
|
|
1412 IFD VDUOPT
|
| 1927 |
|
|
1413 *
|
| 1928 |
|
|
1414 ***************************************************
|
| 1929 |
|
|
1415 * VDU8 ADM3A REGISTER-MAPPED EMULATOR *
|
| 1930 |
|
|
1416 * *
|
| 1931 |
|
|
1417 * 80 x 25 Characters
|
| 1932 |
|
|
1418 *
|
| 1933 |
|
|
1419 ***************************************************
|
| 1934 |
|
|
1420 *
|
| 1935 |
|
|
1421 ***************************************************
|
| 1936 |
|
|
1422 * INITIALIZE EMULATOR *
|
| 1937 |
|
|
1423 ***************************************************
|
| 1938 |
|
|
1424 *
|
| 1939 |
|
|
1425 FCFA 8E E0 30 VINIZ LDX #VDU
|
| 1940 |
|
|
1426 FCFD CC 00 00 LDD #0
|
| 1941 |
|
|
1427 FD00 FD DF FB STD COLADX ; AND ROWADX
|
| 1942 |
|
|
1428 FD03 A7 02 STA VDUCOL,X
|
| 1943 |
|
|
1429 FD05 E7 03 STB VDUROW,X
|
| 1944 |
|
|
1430 FD07 E7 04 STB VDUOFF,X
|
| 1945 |
|
|
1431 FD09 FD DF FD STD NEWROW ; AND ESCFLG
|
| 1946 |
|
|
1432 FD0C C6 02 LDB #$02
|
| 1947 |
|
|
1433 FD0E E7 01 STB VDUATT,X
|
| 1948 |
|
|
1434 FD10 7F DF FE CLR ESCFLG
|
| 1949 |
|
|
1435 FD13 86 1B LDA #$1B ; SEND ESCAPE
|
| 1950 |
|
|
1436 FD15 8D 02 BSR VOUTCH
|
| 1951 |
|
|
1437 FD17 86 59 LDA #'Y ; CLEAR TO END OF SCREEN
|
| 1952 |
|
|
1438 *
|
| 1953 |
|
|
1439 ** VIDEO OUTPUT ROUTINE
|
| 1954 |
|
|
1440 *
|
| 1955 |
|
|
1441 FD19 34 16 VOUTCH PSHS A,B,X ; SAVE REGISTERS
|
| 1956 |
|
|
1442 FD1B 8E E0 30 LDX #VDU ; POINT TO VDU REGISTERS
|
| 1957 |
|
|
1443 *
|
| 1958 |
|
|
1444 ** CHECK FOR ESCAPE SEQUENCE
|
| 1959 |
|
|
1445 *
|
| 1960 |
|
|
1446 FD1E 7D DF FE TST ESCFLG ; ESCAPE ACTIVE?
|
| 1961 |
|
|
1447 FD21 27 04 BEQ SOROU1 ; BRANCH IF NOT
|
| 1962 |
|
|
1448 FD23 8D 60 BSR ESCAPE ; ELSE DO ESCAPE
|
| 1963 |
|
|
1449 FD25 20 0D BRA RETURN ; AND RETURN
|
| 1964 |
|
|
1450 *
|
| 1965 |
|
|
1451 ** CHECK FOR CONTROL CHARACTERS
|
| 1966 |
|
|
1452 *
|
| 1967 |
|
|
1453 FD27 81 20 SOROU1 CMPA #$20 ; CONTROL CODES?
|
| 1968 |
|
|
1454 FD29 24 04 BHS SOROU2
|
| 1969 |
|
|
1455 FD2B 8D 09 BSR CONTRL ; BRANCH IF SO
|
| 1970 |
|
|
1456 FD2D 20 05 BRA RETURN
|
| 1971 |
|
|
1457 *
|
| 1972 |
|
|
1458 ** OUTPUT TEXT CHARACTER
|
| 1973 |
|
|
1459 *
|
| 1974 |
|
|
1460 FD2F A7 84 SOROU2 STA VDUCHR,X ; DISPLAY CHARACTER
|
| 1975 |
|
|
1461 FD31 17 00 AF LBSR NEWCOL ; UPDATE COLUMN
|
| 1976 |
|
|
1462 *
|
| 1977 |
|
|
1463 ** DISPLAY CURSOR AND RETURN
|
| 1978 |
|
|
1464 *
|
| 1979 |
|
|
1465 FD34 35 96 RETURN PULS A,B,X,PC ; RESTORE REGISTERS AND RETURN
|
| 1980 |
|
|
1466 *
|
| 1981 |
|
|
1467 ***************************************************
|
| 1982 |
|
|
1468 * CONTROL CODE HANDLERS *
|
| 1983 |
|
|
1469 ***************************************************
|
| 1984 |
|
|
1470 *
|
| 1985 |
|
|
1471 FD36 81 08 CONTRL CMPA #$08 ; CTRL H - BACKSPACE ?
|
| 1986 |
|
|
1472 FD38 27 34 BEQ BACKSP
|
| 1987 |
|
|
1473 FD3A 81 1B CMPA #$1B ; ESCAPE SEQUENCE?
|
| 1988 |
|
|
1474 FD3C 27 5A BEQ SETESC
|
| 1989 |
|
|
1475 FD3E 81 1A CMPA #$1A ; CTRL Z - Clear Screen
|
| 1990 |
|
|
1476 FD40 10 27 00 7C LBEQ CLRSCR
|
| 1991 |
|
|
1477 FD44 81 16 CMPA #$16 ; CTRL ^ - Home
|
| 1992 |
|
|
1478 FD46 27 38 BEQ HOME
|
| 1993 |
|
|
1479 FD48 81 0D CMPA #$0D ; CTRL M - RETURN?
|
| 1994 |
|
|
1480 FD4A 10 27 00 89 LBEQ CRETN
|
| 1995 |
|
|
1481 FD4E 81 0C CMPA #$0C ; CTRL L - CHAR RIGHT
|
| 1996 |
|
|
1482 FD50 27 24 BEQ CHRIGHT
|
| 1997 |
|
|
1483 FD52 81 0B CMPA #$0B ; CTRL K - MOVE UP ONE LINE
|
| 1998 |
|
|
1484 FD54 27 0F BEQ LINEUP
|
| 1999 |
|
|
1485 FD56 81 0A CMPA #$0A ; CTRL J - LINE FEED
|
| 2000 |
|
|
1486 FD58 26 45 BNE RETESC ; NONE OF THESE, RETURN
|
| 2001 |
|
|
1487 *
|
| 2002 |
|
|
1488 ***************************************** LINE FEED
|
| 2003 |
|
|
1489 *
|
| 2004 |
|
|
1490 FD5A FC DF FB LINEFD LDD COLADX ; GET CURRENT COLUMN AND ROW
|
| 2005 |
|
|
1491 FD5D 5C INCB ; BUMP ROW
|
| 2006 |
|
|
1492 FD5E C1 19 CMPB #NUMLIN ; SCROLL TIME?
|
| 2007 |
|
|
1493 FD60 26 79 BNE NEWCUR ; POSITION CURSOR IF NOT
|
| 2008 |
|
|
1494 FD62 16 00 8F LBRA SCROLL ; ELSE SCROLL IT
|
| 2009 |
|
|
1495 *
|
| 2010 |
|
|
1496 ***************************************** LINE FEED
|
| 2011 |
|
|
1497 *
|
| 2012 |
|
|
1498 FD65 FC DF FB LINEUP LDD COLADX ; GET CURRENT COLUMN AND ROW
|
| 2013 |
|
|
1499 FD68 5D TSTB ; AT TOP OF SCREEN ?
|
| 2014 |
|
|
1500 FD69 27 34 BEQ RETESC ; Yes, Ignore
|
| 2015 |
|
|
1501 FD6B 5A DECB ; No, Decrement ROW
|
| 2016 |
|
|
1502 FD6C 20 6D BRA NEWCUR ; POSITION CURSOR
|
| 2017 |
|
|
1503 *
|
| 2018 |
|
|
1504 *********************************** BACK SPACE
|
| 2019 |
|
|
1505 *
|
| 2020 |
|
|
1506 FD6E B6 DF FB BACKSP LDA COLADX
|
| 2021 |
|
|
1507 FD71 27 2C BEQ RETESC ; RETURN
|
| 2022 |
|
|
1508 FD73 4A DECA
|
| 2023 |
|
|
1509 FD74 20 62 BRA POSCOL ; POSITION CURSOR
|
| 2024 |
|
|
1510 *
|
| 2025 |
|
|
1511 *********************************** CURSOR RIGHT
|
| 2026 |
|
|
1512 *
|
| 2027 |
|
|
1513 FD76 B6 DF FB CHRIGHT LDA COLADX
|
| 2028 |
|
|
1514 FD79 4C INCA
|
| 2029 |
|
|
1515 FD7A 81 50 CMPA #LINLEN
|
| 2030 |
|
|
1516 FD7C 27 21 BEQ RETESC
|
| 2031 |
|
|
1517 FD7E 20 58 BRA POSCOL
|
| 2032 |
|
|
1518 *
|
| 2033 |
|
|
1519 *********************************** CURSOR RIGHT
|
| 2034 |
|
|
1520 *
|
| 2035 |
|
|
1521 FD80 CC 00 00 HOME LDD #0 ; HOME - POSITION TOP OF SCREEN
|
| 2036 |
|
|
1522 FD83 20 56 BRA NEWCUR
|
| 2037 |
|
|
1523 *
|
| 2038 |
|
|
1524 ***************************************************
|
| 2039 |
|
|
1525 * ESCAPE HANDLERS *
|
| 2040 |
|
|
1526 ***************************************************
|
| 2041 |
|
|
1527 *
|
| 2042 |
|
|
1528 FD85 F6 DF FE ESCAPE LDB ESCFLG ; GET FLAG
|
| 2043 |
|
|
1529 FD88 C1 3D CMPB #'= ; SETTING CURSOR?
|
| 2044 |
|
|
1530 FD8A 27 14 BEQ ESCCUR ; BRANCH IF SO
|
| 2045 |
|
|
1531 FD8C 81 59 CMPA #'Y ; CLEAR TO END OF SCREEN?
|
| 2046 |
|
|
1532 FD8E 27 6E BEQ ESCCLS
|
| 2047 |
|
|
1533 FD90 81 54 CMPA #'T ; CLEAR TO END OF LINE?
|
| 2048 |
|
|
1534 FD92 27 31 BEQ ESCCLL
|
| 2049 |
|
|
1535 FD94 81 3D CMPA #'= ; STARTING CURSOR SET?
|
| 2050 |
|
|
1536 FD96 26 04 BNE CLRESC ; BRANCH IF NOT
|
| 2051 |
|
|
1537 *
|
| 2052 |
|
|
1538 ***************************** START ESCAPE SEQUENCE
|
| 2053 |
|
|
1539 *
|
| 2054 |
|
|
1540 FD98 B7 DF FE SETESC STA ESCFLG ; ELSE START CURSORING
|
| 2055 |
|
|
1541 FD9B 39 RTS ; AND RETURN
|
| 2056 |
|
|
1542 *
|
| 2057 |
|
|
1543 FD9C 7F DF FE CLRESC CLR ESCFLG ; NO OTHERS SUPPORTED
|
| 2058 |
|
|
1544 FD9F 39 RETESC RTS ; SO RETURN
|
| 2059 |
|
|
1545 *
|
| 2060 |
|
|
1546 ********************************* SET SCREEN CURSOR
|
| 2061 |
|
|
1547 *
|
| 2062 |
|
|
1548 FDA0 7D DF FD ESCCUR TST NEWROW ; ROW SET?
|
| 2063 |
|
|
1549 FDA3 26 04 BNE ESCCU1 ; BRANCH IF SO
|
| 2064 |
|
|
1550 FDA5 B7 DF FD STA NEWROW ; ELSE SET NEW ROW
|
| 2065 |
|
|
1551 FDA8 39 RTS ; AND RETURN
|
| 2066 |
|
|
1552 *
|
| 2067 |
|
|
1553 FDA9 7F DF FE ESCCU1 CLR ESCFLG
|
| 2068 |
|
|
1554 FDAC 80 20 SUBA #$20 ; ADJUST COLUMN ADDRESS
|
| 2069 |
|
|
1555 FDAE 81 4F CMPA #LINLEN-1 ;CHECK FOR ACCEPTABLE COLUM
|
| 2070 |
|
|
1556 FDB0 22 ED BHI RETESC ; NOT OK, DO NOTHING
|
| 2071 |
|
|
1557 *
|
| 2072 |
|
|
1558 FDB2 F6 DF FD ESCCU2 LDB NEWROW
|
| 2073 |
|
|
1559 FDB5 7F DF FD CLR NEWROW
|
| 2074 |
|
|
1560 FDB8 C0 20 SUBB #$20 ; ADJUST TO ROW ADDRESS
|
| 2075 |
|
|
1561 FDBA C1 18 CMPB #NUMLIN-1 ; CHECK FOR ACCEPTABLE ROW
|
| 2076 |
|
|
1562 FDBC 22 E1 BHI RETESC ; ELSE RETURN DOING NOTHING
|
| 2077 |
|
|
1563 FDBE 20 1B BRA NEWCUR ; GO SET NEW CURSOR IF SO
|
| 2078 |
|
|
1564 *
|
| 2079 |
|
|
1565 ****************** CLEAR FROM CURSOR TO END OF LINE
|
| 2080 |
|
|
1566 *
|
| 2081 |
|
|
1567 FDC0 CC 00 00 CLRSCR LDD #0 ; CLEAR FROM TOP OF SCREEN
|
| 2082 |
|
|
1568 FDC3 8D 16 BSR NEWCUR
|
| 2083 |
|
|
1569 FDC5 B6 DF FB ESCCLL LDA COLADX
|
| 2084 |
|
|
1570 FDC8 C6 20 LDB #$20 ; AND CLEAR CHAR
|
| 2085 |
|
|
1571 FDCA E7 84 ESCCL1 STB VDUCHR,X ; DISPLAY TEXT
|
| 2086 |
|
|
1572 FDCC 4C INCA
|
| 2087 |
|
|
1573 FDCD A7 02 STA VDUCOL,X
|
| 2088 |
|
|
1574 FDCF 81 50 CMPA #LINLEN ; UNTIL END OF LINE
|
| 2089 |
|
|
1575 FDD1 26 F7 BNE ESCCL1
|
| 2090 |
|
|
1576 FDD3 7F DF FE CLR ESCFLG
|
| 2091 |
|
|
1577 FDD6 39 RTS
|
| 2092 |
|
|
1578 *
|
| 2093 |
|
|
1579 *********************************** CARRIAGE RETURN
|
| 2094 |
|
|
1580 *
|
| 2095 |
|
|
1581 FDD7 4F CRETN CLRA ; SET COLUMN ZERO
|
| 2096 |
|
|
1582 FDD8 F6 DF FC POSCOL LDB ROWADX ; GET CURRENT ROW
|
| 2097 |
|
|
1583 *
|
| 2098 |
|
|
1584 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
| 2099 |
|
|
1585 *
|
| 2100 |
|
|
1586 FDDB FD DF FB NEWCUR STD COLADX ; SAVE NEW ROW AND COLUMN
|
| 2101 |
|
|
1587 FDDE A7 02 STA VDUCOL,X ; SET NEW COLUMN
|
| 2102 |
|
|
1588 FDE0 E7 03 STB VDUROW,X ; SET NEW ROW
|
| 2103 |
|
|
1589 FDE2 39 RTS ; AND RETURN
|
| 2104 |
|
|
1590 *
|
| 2105 |
|
|
1591 ********************* UPDATE CURRENT COLUMN AND ROW
|
| 2106 |
|
|
1592 *
|
| 2107 |
|
|
1593 FDE3 FC DF FB NEWCOL LDD COLADX ; GET ROW AND COLUMN
|
| 2108 |
|
|
1594 FDE6 4C INCA ; BUMP COLUMN
|
| 2109 |
|
|
1595 FDE7 81 50 CMPA #LINLEN ; ROLL?
|
| 2110 |
|
|
1596 FDE9 26 F0 BNE NEWCUR ; BRANCH IF NOT
|
| 2111 |
|
|
1597 FDEB 4F CLRA ; ELSE RESET TO ZERO
|
| 2112 |
|
|
1598 FDEC 5C INCB ; AND BUMP ROW
|
| 2113 |
|
|
1599 FDED C1 19 CMPB #NUMLIN
|
| 2114 |
|
|
1600 FDEF 26 EA BNE NEWCUR
|
| 2115 |
|
|
1601 FDF1 5A DECB ; BOTTOM ROW
|
| 2116 |
|
|
1602 FDF2 8D E7 BSR NEWCUR
|
| 2117 |
|
|
1603 *
|
| 2118 |
|
|
1604 ********************************* SCROLL THE SCREEN
|
| 2119 |
|
|
1605 *
|
| 2120 |
|
|
1606 FDF4 E6 04 SCROLL LDB VDUOFF,X
|
| 2121 |
|
|
1607 FDF6 5C INCB
|
| 2122 |
|
|
1608 FDF7 C1 19 CMPB #NUMLIN
|
| 2123 |
|
|
1609 FDF9 25 01 BLO SCROL1
|
| 2124 |
|
|
1610 FDFB 5F CLRB
|
| 2125 |
|
|
1611 FDFC E7 04 SCROL1 STB VDUOFF,X
|
| 2126 |
|
|
1612 *
|
| 2127 |
|
|
1613 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
| 2128 |
|
|
1614 *
|
| 2129 |
|
|
1615 FDFE F6 DF FB ESCCLS LDB COLADX ; GET CURSOR
|
| 2130 |
|
|
1616 FE01 86 20 LDA #$20 ; GET A SPACE
|
| 2131 |
|
|
1617 FE03 F7 DF FB ESCCLS1 STB COLADX
|
| 2132 |
|
|
1618 FE06 E7 02 STB VDUCOL,X
|
| 2133 |
|
|
1619 FE08 A7 84 STA VDUCHR,X
|
| 2134 |
|
|
1620 FE0A 5C INCB
|
| 2135 |
|
|
1621 FE0B C1 50 CMPB #LINLEN
|
| 2136 |
|
|
1622 FE0D 26 F4 BNE ESCCLS1
|
| 2137 |
|
|
1623 *
|
| 2138 |
|
|
1624 FE0F F6 DF FC LDB ROWADX
|
| 2139 |
|
|
1625 FE12 5C INCB
|
| 2140 |
|
|
1626 FE13 C1 19 CMPB #NUMLIN
|
| 2141 |
|
|
1627 FE15 27 08 BEQ ESCCLS2
|
| 2142 |
|
|
1628 FE17 F7 DF FC STB ROWADX
|
| 2143 |
|
|
1629 FE1A E7 03 STB VDUROW,X
|
| 2144 |
|
|
1630 FE1C 5F CLRB
|
| 2145 |
|
|
1631 FE1D 20 E4 BRA ESCCLS1
|
| 2146 |
|
|
1632 *
|
| 2147 |
|
|
1633 FE1F 5F ESCCLS2 CLRB
|
| 2148 |
|
|
1634 FE20 F7 DF FB STB COLADX
|
| 2149 |
|
|
1635 FE23 E7 02 STB VDUCOL,X
|
| 2150 |
|
|
1636 FE25 F7 DF FE STB ESCFLG
|
| 2151 |
|
|
1637 FE28 39 RTS
|
| 2152 |
|
|
1638 ENDIF VDUOPT
|
| 2153 |
|
|
1639 *
|
| 2154 |
|
|
1640 IFD DG640OPT
|
| 2155 |
|
|
1641 ***************************************************
|
| 2156 |
|
|
1642 * TELEVIDEO-TYPE MEMORY-MAPPED EMULATOR *
|
| 2157 |
|
|
1643 * *
|
| 2158 |
|
|
1644 * FOR HARD-WIRED MEMORY-MAPPED DISPLAYS USING THE *
|
| 2159 |
|
|
1645 * HIGH ORDER BIT OF EACH BYTE FOR REVERSE VIDEO *
|
| 2160 |
|
|
1646 * CURSORING (SUCH AS THE THOMAS INSTRUMENTATION *
|
| 2161 |
|
|
1647 * 16x64 BOARD). *
|
| 2162 |
|
|
1648 ***************************************************
|
| 2163 |
|
|
1649 *
|
| 2164 |
|
|
1650 ***************************************************
|
| 2165 |
|
|
1651 * INITIALIZE EMULATOR *
|
| 2166 |
|
|
1652 ***************************************************
|
| 2167 |
|
|
1653 *
|
| 2168 |
|
|
1654 VINIZ LDX #0
|
| 2169 |
|
|
1655 STX COLADX ; AND ROWADX
|
| 2170 |
|
|
1656 STX NEWROW ; AND ESCFLG
|
| 2171 |
|
|
1657 LDX #SCREEN ; POINT TO SCREEN
|
| 2172 |
|
|
1658 STX CURSOR ; SET PROGRAM CURSOR
|
| 2173 |
|
|
1659 LDA #$1B ; SEND ESCAPE
|
| 2174 |
|
|
1660 BSR VOUTCH
|
| 2175 |
|
|
1661 LDA #'Y ; CLEAR TO END OF SCREEN
|
| 2176 |
|
|
1662 *
|
| 2177 |
|
|
1663 ** VIDEO OUTPUT ROUTINE
|
| 2178 |
|
|
1664 *
|
| 2179 |
|
|
1665 VOUTCH PSHS A,B,X ; SAVE REGISTERS
|
| 2180 |
|
|
1666 *
|
| 2181 |
|
|
1667 ** CLEAR CURSOR
|
| 2182 |
|
|
1668 *
|
| 2183 |
|
|
1669 LDX CURSOR
|
| 2184 |
|
|
1670 LDB 0,X
|
| 2185 |
|
|
1671 ANDB #$7F
|
| 2186 |
|
|
1672 STB 0,X
|
| 2187 |
|
|
1673 *
|
| 2188 |
|
|
1674 ** CHECK FOR ESCAPE SEQUENCE
|
| 2189 |
|
|
1675 *
|
| 2190 |
|
|
1676 TST ESCFLG ; ESCAPE ACTIVE?
|
| 2191 |
|
|
1677 BEQ SOROU1 ; BRANCH IF NOT
|
| 2192 |
|
|
1678 BSR ESCAPE ; ELSE DO ESCAPE
|
| 2193 |
|
|
1679 BRA RETURN ; AND RETURN
|
| 2194 |
|
|
1680 *
|
| 2195 |
|
|
1681 ** CHECK FOR CONTROL CHARACTERS
|
| 2196 |
|
|
1682 *
|
| 2197 |
|
|
1683 SOROU1 CMPA #$20 ; CONTROL CODES?
|
| 2198 |
|
|
1684 BHS SOROU2
|
| 2199 |
|
|
1685 BSR CONTRL ; BRANCH IF SO
|
| 2200 |
|
|
1686 BRA RETURN
|
| 2201 |
|
|
1687 *
|
| 2202 |
|
|
1688 ** OUTPUT TEXT CHARACTER
|
| 2203 |
|
|
1689 *
|
| 2204 |
|
|
1690 SOROU2 LDX CURSOR ; ELSE GET CURSOR
|
| 2205 |
|
|
1691 STA 0,X ; DISPLAY CHARACTER
|
| 2206 |
|
|
1692 LBSR NEWCOL ; UPDATE COLUMN
|
| 2207 |
|
|
1693 *
|
| 2208 |
|
|
1694 ** DISPLAY CURSOR AND RETURN
|
| 2209 |
|
|
1695 *
|
| 2210 |
|
|
1696 RETURN LDX CURSOR ; AND DISPLAY IT
|
| 2211 |
|
|
1697 LDB ,X
|
| 2212 |
|
|
1698 ORB #$80 ; WITH REVID
|
| 2213 |
|
|
1699 STB ,X
|
| 2214 |
|
|
1700 PULS A,B,X,PC ; RESTORE REGISTERS AND RETURN
|
| 2215 |
|
|
1701 *
|
| 2216 |
|
|
1702 ***************************************************
|
| 2217 |
|
|
1703 * CONTROL CODE HANDLERS *
|
| 2218 |
|
|
1704 ***************************************************
|
| 2219 |
|
|
1705 *
|
| 2220 |
|
|
1706 CONTRL CMPA #$08 ; CTRL H - BACKSPACE ?
|
| 2221 |
|
|
1707 LBEQ BACKSP
|
| 2222 |
|
|
1708 CMPA #$1B ; ESCAPE SEQUENCE?
|
| 2223 |
|
|
1709 LBEQ SETESC
|
| 2224 |
|
|
1710 CMPA #$D ; CTRL M - RETURN?
|
| 2225 |
|
|
1711 LBEQ CRETN
|
| 2226 |
|
|
1712 CMPA #$0A ; CTRL J - LINE FEED
|
| 2227 |
|
|
1713 BNE RETESC ; NONE OF THESE, RETURN
|
| 2228 |
|
|
1714 *
|
| 2229 |
|
|
1715 ***************************************** LINE FEED
|
| 2230 |
|
|
1716 *
|
| 2231 |
|
|
1717 LINEFD LDD COLADX ; GET CURRENT COLUMN AND ROW
|
| 2232 |
|
|
1718 INCB ; BUMP ROW
|
| 2233 |
|
|
1719 CMPB #NUMLIN ; SCROLL TIME?
|
| 2234 |
|
|
1720 LBNE NEWCUR ; POSITION CURSOR IF NOT
|
| 2235 |
|
|
1721 LBRA SCROLL ; ELSE SCROLL IT
|
| 2236 |
|
|
1722 *
|
| 2237 |
|
|
1723 ***************************************** LINE FEED
|
| 2238 |
|
|
1724 *
|
| 2239 |
|
|
1725 LINEUP LDD COLADX ; GET CURRENT COLUMN AND ROW
|
| 2240 |
|
|
1726 TSTB ; AT TOP OF SCREEN ?
|
| 2241 |
|
|
1727 BEQ RETESC ; YES, RETURN
|
| 2242 |
|
|
1728 DECB ; NO, DECREMENT ROW
|
| 2243 |
|
|
1729 LBRA NEWCUR ; POSITION CURSOR
|
| 2244 |
|
|
1730 *
|
| 2245 |
|
|
1731 *********************************** BACK SPACE
|
| 2246 |
|
|
1732 *
|
| 2247 |
|
|
1733 BACKSP LDA COLADX ; GET CURRENT COLUMN AND ROW
|
| 2248 |
|
|
1734 BEQ RETESC ; IF AT TOP LEFT CORNER RETURN
|
| 2249 |
|
|
1735 DECA ; OTHERWISE BACK STEP ONE CHARACTER
|
| 2250 |
|
|
1736 LBRA POSCOL ; POSITION CURSOR
|
| 2251 |
|
|
1737 *
|
| 2252 |
|
|
1738 *********************************** CURSOR RIGHT
|
| 2253 |
|
|
1739 *
|
| 2254 |
|
|
1740 CHRIGHT LDA COLADX ; GET CURRENT COLUMN AND ROW
|
| 2255 |
|
|
1741 INCA ; MOVE RIGHT ONE CHARACTER
|
| 2256 |
|
|
1742 CMPA #LINLEN ; ARE WE AT THE END OF THE LINE ?
|
| 2257 |
|
|
1743 BEQ RETESC ; YES, RETURN
|
| 2258 |
|
|
1744 LBRA POSCOL ; NO, POSITION CURSOR
|
| 2259 |
|
|
1745 *
|
| 2260 |
|
|
1746 ***************************************************
|
| 2261 |
|
|
1747 * ESCAPE HANDLERS *
|
| 2262 |
|
|
1748 ***************************************************
|
| 2263 |
|
|
1749 *
|
| 2264 |
|
|
1750 ESCAPE LDB ESCFLG ; ARE WE IN AN ESCAPE SEQUENCE ?
|
| 2265 |
|
|
1751 CMPB #'= ; ARE WE SETTING CURSOR?
|
| 2266 |
|
|
1752 BEQ ESCCUR ; YES BRANCH TO SET CURSOR
|
| 2267 |
|
|
1753 CMPA #'Y ; CLEAR TO END OF SCREEN?
|
| 2268 |
|
|
1754 LBEQ ESCCLS ; YES, CLEAR SCREEN
|
| 2269 |
|
|
1755 CMPA #'T ; CLEAR TO END OF LINE?
|
| 2270 |
|
|
1756 BEQ ESCCLL ; YES, CLEAR LINE
|
| 2271 |
|
|
1757 CMPA #'E ; INSERT LINE?
|
| 2272 |
|
|
1758 BEQ ESCINL
|
| 2273 |
|
|
1759 CMPA #'R ; DELETE LINE?
|
| 2274 |
|
|
1760 BEQ ESCDLL
|
| 2275 |
|
|
1761 CMPA #'= ; STARTING CURSOR SET?
|
| 2276 |
|
|
1762 BNE CLRESC ; BRANCH IF NOT
|
| 2277 |
|
|
1763 *
|
| 2278 |
|
|
1764 ***************************** START ESCAPE SEQUENCE
|
| 2279 |
|
|
1765 *
|
| 2280 |
|
|
1766 SETESC STA ESCFLG ; ELSE START CURSORING
|
| 2281 |
|
|
1767 RTS ; AND RETURN
|
| 2282 |
|
|
1768 *
|
| 2283 |
|
|
1769 CLRESC CLR ESCFLG ; NO OTHERS SUPPORTED
|
| 2284 |
|
|
1770 RETESC RTS ; SO RETURN
|
| 2285 |
|
|
1771 *
|
| 2286 |
|
|
1772 ********************************* SET SCREEN CURSOR
|
| 2287 |
|
|
1773 *
|
| 2288 |
|
|
1774 ESCCUR TST NEWROW ; ROW SET?
|
| 2289 |
|
|
1775 BNE ESCCU1 ; BRANCH IF SO
|
| 2290 |
|
|
1776 STA NEWROW ; ELSE SET NEW ROW
|
| 2291 |
|
|
1777 RTS ; AND RETURN
|
| 2292 |
|
|
1778 *
|
| 2293 |
|
|
1779 ESCCU1 CLR ESCFLG
|
| 2294 |
|
|
1780 SUBA #$20 ; ADJUST COLUMN ADDRESS
|
| 2295 |
|
|
1781 CMPA #LINLEN-1 ; CHECK FOR ACCEPTABLE COLUM
|
| 2296 |
|
|
1782 BHI RETESC ; NOT OK, DO NOTHING
|
| 2297 |
|
|
1783 *
|
| 2298 |
|
|
1784 ESCCU2 LDB NEWROW
|
| 2299 |
|
|
1785 CLR NEWROW
|
| 2300 |
|
|
1786 SUBB #$20 ; ADJUST TO ROW ADDRESS
|
| 2301 |
|
|
1787 CMPB #NUMLIN-1 ; CHECK FOR ACCEPTABLE ROW
|
| 2302 |
|
|
1788 BHI RETESC ; ELSE RETURN DOING NOTHING
|
| 2303 |
|
|
1789 BRA NEWCUR ; GO SET NEW CURSOR IF SO
|
| 2304 |
|
|
1790 *
|
| 2305 |
|
|
1791 *************************** DELETE LINE FROM SCREEN
|
| 2306 |
|
|
1792 *
|
| 2307 |
|
|
1793 ESCDLL BSR CRETN ; GO COL. ZERO
|
| 2308 |
|
|
1794 LDB ROWADX
|
| 2309 |
|
|
1795 CMPB #NUMLIN-1
|
| 2310 |
|
|
1796 BEQ SCROL3
|
| 2311 |
|
|
1797 BRA SCROL1 ; AND DELETE THIS LINE
|
| 2312 |
|
|
1798 *
|
| 2313 |
|
|
1799 *************************** INSERT LINE INTO SCREEN
|
| 2314 |
|
|
1800 *
|
| 2315 |
|
|
1801 ESCINL BSR CRETN ; GO TO COL. ZERO
|
| 2316 |
|
|
1802 LDB ROWADX
|
| 2317 |
|
|
1803 CMPB #NUMLIN-1
|
| 2318 |
|
|
1804 BEQ ESCCLL
|
| 2319 |
|
|
1805 *
|
| 2320 |
|
|
1806 ** SCROLL SCREEN DOWN FROM CURSOR
|
| 2321 |
|
|
1807 *
|
| 2322 |
|
|
1808 LDX #SCREEN+SCNLEN-LINLEN
|
| 2323 |
|
|
1809 ESCIN0 LDA ,-X
|
| 2324 |
|
|
1810 STA LINLEN,X
|
| 2325 |
|
|
1811 LDA SCNLEN,X
|
| 2326 |
|
|
1812 STA SCNLEN+LINLEN,X
|
| 2327 |
|
|
1813 CMPX CURSOR
|
| 2328 |
|
|
1814 BNE ESCIN0
|
| 2329 |
|
|
1815 *
|
| 2330 |
|
|
1816 ****************** CLEAR FROM CURSOR TO END OF LINE
|
| 2331 |
|
|
1817 *
|
| 2332 |
|
|
1818 ESCCLL LDA COLADX ; GET CURRENT COLUMN
|
| 2333 |
|
|
1819 LDX CURSOR ; GET CURSOR
|
| 2334 |
|
|
1820 LDB #$20 ; AND CLEAR CHAR
|
| 2335 |
|
|
1821 ESCLL1 STB SCNLEN,X ; CLEAR ATTRIBUTE
|
| 2336 |
|
|
1822 STB ,X+ ; CLEAR TEXT
|
| 2337 |
|
|
1823 INCA
|
| 2338 |
|
|
1824 CMPA #LINLEN ; UNTIL END OF LINE
|
| 2339 |
|
|
1825 BNE ESCLL1
|
| 2340 |
|
|
1826 CLR ESCFLG
|
| 2341 |
|
|
1827 RTS
|
| 2342 |
|
|
1828 *
|
| 2343 |
|
|
1829 *********************************** CARRIAGE RETURN
|
| 2344 |
|
|
1830 *
|
| 2345 |
|
|
1831 CRETN CLRA ; SET COLUMN ZERO
|
| 2346 |
|
|
1832 POSCOL LDB ROWADX ; GET CURRENT ROW
|
| 2347 |
|
|
1833 *
|
| 2348 |
|
|
1834 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
| 2349 |
|
|
1835 *
|
| 2350 |
|
|
1836 NEWCUR STD COLADX ; SAVE NEW ROW AND COLUMN
|
| 2351 |
|
|
1837 LDA #LINLEN ; ELSE ADD A LINE
|
| 2352 |
|
|
1838 MUL ; LINLEN * ROWADX
|
| 2353 |
|
|
1839 ADDB COLADX
|
| 2354 |
|
|
1840 ADCA #0
|
| 2355 |
|
|
1841 ADDD #SCREEN ; ADD SCREEN BASE.
|
| 2356 |
|
|
1842 STD CURSOR ; SAVE NEW CURSOR
|
| 2357 |
|
|
1843 TFR D,X ; GET CURSOR IN X
|
| 2358 |
|
|
1844 RTS ; AND RETURN
|
| 2359 |
|
|
1845 *
|
| 2360 |
|
|
1846 ********************* UPDATE CURRENT COLUMN AND ROW
|
| 2361 |
|
|
1847 *
|
| 2362 |
|
|
1848 NEWCOL LDD COLADX ; GET ROW AND COLUMN
|
| 2363 |
|
|
1849 INCA ; BUMP COLUMN
|
| 2364 |
|
|
1850 CMPA #LINLEN ; ROLL?
|
| 2365 |
|
|
1851 BNE NEWCUR ; BRANCH IF NOT
|
| 2366 |
|
|
1852 CLRA ; ELSE RESET TO ZERO
|
| 2367 |
|
|
1853 INCB ; AND BUMP ROW
|
| 2368 |
|
|
1854 CMPB #NUMLIN
|
| 2369 |
|
|
1855 BNE NEWCUR
|
| 2370 |
|
|
1856 DECB ; BOTTOM ROW
|
| 2371 |
|
|
1857 BSR NEWCUR
|
| 2372 |
|
|
1858 *
|
| 2373 |
|
|
1859 ********************************* SCROLL THE SCREEN
|
| 2374 |
|
|
1860 *
|
| 2375 |
|
|
1861 SCROLL LDX #SCREEN ; POINT TO SCREEN
|
| 2376 |
|
|
1862 SCROL1 LDA SCNLEN+LINLEN,X
|
| 2377 |
|
|
1863 STA SCNLEN,X
|
| 2378 |
|
|
1864 LDA LINLEN,X ; MOVE TWO BYTES
|
| 2379 |
|
|
1865 STA ,X+ ; UP ONE LINE
|
| 2380 |
|
|
1866 CMPX #SCREEN+SCNLEN-LINLEN
|
| 2381 |
|
|
1867 BNE SCROL1 ; LOOP UNTIL DONE
|
| 2382 |
|
|
1868 BRA SCROL3
|
| 2383 |
|
|
1869 *
|
| 2384 |
|
|
1870 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
| 2385 |
|
|
1871 *
|
| 2386 |
|
|
1872 ESCCLS LDX CURSOR ; GET CURSOR
|
| 2387 |
|
|
1873 SCROL3 LDA #$20 ; GET A SPACE
|
| 2388 |
|
|
1874 SCROL2 STA SCNLEN,X ; CLEAR ATTRIBUTES
|
| 2389 |
|
|
1875 STA ,X+ ; AND TEXT
|
| 2390 |
|
|
1876 CMPX #SCREEN+SCNLEN
|
| 2391 |
|
|
1877 BNE SCROL2 ; UNTIL DONE
|
| 2392 |
|
|
1878 CLR ESCFLG
|
| 2393 |
|
|
1879 RTS
|
| 2394 |
|
|
1880 ENDIF DG640OPT
|
| 2395 |
|
|
1880 ENDIF DG640OPT
|
| 2396 |
|
|
1881 *
|
| 2397 |
|
|
1882 IFD PRTOPT
|
| 2398 |
|
|
1883 *************************************
|
| 2399 |
|
|
1884 *
|
| 2400 |
|
|
1885 ** PRINTER DRIVER ROUTINES
|
| 2401 |
|
|
1886 *
|
| 2402 |
|
|
1887 *************************************
|
| 2403 |
|
|
1888 *
|
| 2404 |
|
|
1889 ** PINIZ - INITIATE PRINTER PORT
|
| 2405 |
|
|
1890 *
|
| 2406 |
|
|
1891 PINIZ PSHS B
|
| 2407 |
|
|
1892 LDD #DIRMSK*256+$04 ; ACCA=DIRMSK ACCB=$04
|
| 2408 |
|
|
1893 STD PADATA ; SET DDR AND SELECT DATA
|
| 2409 |
|
|
1894 *
|
| 2410 |
|
|
1895 ** RESET PRINTER
|
| 2411 |
|
|
1896 *
|
| 2412 |
|
|
1897 LDB #PRESET
|
| 2413 |
|
|
1898 STB PADATA
|
| 2414 |
|
|
1899 RESTLP INCB ; DELAY FOR RESET
|
| 2415 |
|
|
1900 BNE RESTLP
|
| 2416 |
|
|
1901 STA PADATA ; ACCA=DIRMSK
|
| 2417 |
|
|
1902 *
|
| 2418 |
|
|
1903 ** INITALIZE PORT B (DATA PORT)
|
| 2419 |
|
|
1904 *
|
| 2420 |
|
|
1905 LDA #$2A
|
| 2421 |
|
|
1906 STA PBCTRL
|
| 2422 |
|
|
1907 LDD #$FF2E ; ACCA=$FF ACCB =%00101110
|
| 2423 |
|
|
1908 STD PBDATA ; PBDREG PBCTRL
|
| 2424 |
|
|
1909 *
|
| 2425 |
|
|
1910 ** SELECT 66 LINES/PAGE
|
| 2426 |
|
|
1911 *
|
| 2427 |
|
|
1912 LDA #$1B
|
| 2428 |
|
|
1913 BSR POUTCH
|
| 2429 |
|
|
1914 LDA #'C
|
| 2430 |
|
|
1915 BSR POUTCH
|
| 2431 |
|
|
1916 LDA #66
|
| 2432 |
|
|
1917 PULS B
|
| 2433 |
|
|
1918 *************************************
|
| 2434 |
|
|
1919 *
|
| 2435 |
|
|
1920 ** OUTPUT A CHARACTER TO THE PRINTER
|
| 2436 |
|
|
1921 *
|
| 2437 |
|
|
1922 *************************************
|
| 2438 |
|
|
1923 POUTCH PSHS B
|
| 2439 |
|
|
1924 LDB PBDATA ; CLEAR INTERRUPT BIT
|
| 2440 |
|
|
1925 *
|
| 2441 |
|
|
1926 ** WAIT TILL NOT BUSY
|
| 2442 |
|
|
1927 *
|
| 2443 |
|
|
1928 BUSYLP LDB PADATA
|
| 2444 |
|
|
1929 BITB #PERROR
|
| 2445 |
|
|
1930 BEQ PEXIT
|
| 2446 |
|
|
1931 TSTB
|
| 2447 |
|
|
1932 BMI BUSYLP
|
| 2448 |
|
|
1933 *
|
| 2449 |
|
|
1934 ** NOW OUTPUT CHARACTER
|
| 2450 |
|
|
1935 *
|
| 2451 |
|
|
1936 STA PBDATA
|
| 2452 |
|
|
1937 PEXIT PULS B,PC
|
| 2453 |
|
|
1938 *************************************
|
| 2454 |
|
|
1939 *
|
| 2455 |
|
|
1940 ** PCHK TEST IFD PRINTER READY
|
| 2456 |
|
|
1941 *
|
| 2457 |
|
|
1942 *************************************
|
| 2458 |
|
|
1943 PCHK TST PBCTRL ; TEST STATE OF CRB7
|
| 2459 |
|
|
1944 RTS ; SET ON ACKNOWLEDGE
|
| 2460 |
|
|
1945 ENDIF PRTOPT
|
| 2461 |
|
|
1945 ENDIF PRTOPT
|
| 2462 |
|
|
1946 *************************************
|
| 2463 |
|
|
1947 *
|
| 2464 |
|
|
1948 * MONITOR KEYBOARD COMMAND JUMP TABLE
|
| 2465 |
|
|
1949 *
|
| 2466 |
|
|
1950 *************************************
|
| 2467 |
|
|
1951 *
|
| 2468 |
|
|
1952 FE29 JMPTAB EQU *
|
| 2469 |
|
|
1953 FE29 01 FCB 1 " ^A "
|
| 2470 |
|
|
1954 FE2A FB 74 FDB ALTRA
|
| 2471 |
|
|
1955 FE2C 02 FCB 2 " ^B "
|
| 2472 |
|
|
1956 FE2D FB 69 FDB ALTRB
|
| 2473 |
|
|
1957 FE2F 03 FCB 3 " ^C "
|
| 2474 |
|
|
1958 FE30 FB 7F FDB ALTRCC
|
| 2475 |
|
|
1959 FE32 04 FCB 4 " ^D "
|
| 2476 |
|
|
1960 FE33 FB 5E FDB ALTRDP
|
| 2477 |
|
|
1961 FE35 10 FCB $10 " ^P "
|
| 2478 |
|
|
1962 FE36 FB 31 FDB ALTRPC
|
| 2479 |
|
|
1963 FE38 15 FCB $15 " ^U "
|
| 2480 |
|
|
1964 FE39 FB 3D FDB ALTRU
|
| 2481 |
|
|
1965 FE3B 18 FCB $18 " ^X "
|
| 2482 |
|
|
1966 FE3C FB 53 FDB ALTRX
|
| 2483 |
|
|
1967 FE3E 19 FCB $19 " ^Y "
|
| 2484 |
|
|
1968 FE3F FB 48 FDB ALTRY
|
| 2485 |
|
|
1969 *
|
| 2486 |
|
|
1970 FE41 42 FCC 'B'
|
| 2487 |
|
|
1971 FE42 F9 5C FDB BRKPNT
|
| 2488 |
|
|
1972 FE44 45 FCC 'E'
|
| 2489 |
|
|
1973 FE45 F8 FD FDB MEMDUMP
|
| 2490 |
|
|
1974 FE47 47 FCC 'G'
|
| 2491 |
|
|
1975 FE48 F8 A5 FDB GO
|
| 2492 |
|
|
1976 FE4A 4C FCC 'L'
|
| 2493 |
|
|
1977 FE4B FA 5E FDB LOAD
|
| 2494 |
|
|
1978 FE4D 50 FCC 'P'
|
| 2495 |
|
|
1979 FE4E FA BC FDB PUNCH
|
| 2496 |
|
|
1980 FE50 4D FCC 'M'
|
| 2497 |
|
|
1981 FE51 F8 A8 FDB MEMCHG
|
| 2498 |
|
|
1982 FE53 52 FCC 'R'
|
| 2499 |
|
|
1983 FE54 FB ED FDB REGSTR
|
| 2500 |
|
|
1984 FE56 53 FCC 'S'
|
| 2501 |
|
|
1985 FE57 F8 F1 FDB DISSTK
|
| 2502 |
|
|
1986 FE59 58 FCC 'X'
|
| 2503 |
|
|
1987 FE5A F9 88 FDB XBKPNT
|
| 2504 |
|
|
1988 IFD MFDCOPT
|
| 2505 |
|
|
1989 FCC 'D' ; *** SWTPC USES 'U' FOR MINIBOOT
|
| 2506 |
|
|
1990 FDB MINBOOT
|
| 2507 |
|
|
1991 ENDIF MFDCOPT
|
| 2508 |
|
|
1991 ENDIF MFDCOPT
|
| 2509 |
|
|
1992 IFD CF8OPT
|
| 2510 |
|
|
1993 FE5C 44 FCC 'D' ; *** FPGA 8 BIT USES 'D' FOR CFBOOT
|
| 2511 |
|
|
1994 FE5D F9 D5 FDB CFBOOT
|
| 2512 |
|
|
1995 ENDIF CF8OPT
|
| 2513 |
|
|
1996 IFD IDEOPT
|
| 2514 |
|
|
1997 FCC 'D' ; *** XESS FPGA 16 BIT IDE USES 'D' FOR IDEBOOT
|
| 2515 |
|
|
1998 FDB IDEBOOT
|
| 2516 |
|
|
1999 ENDIF IDEOPT
|
| 2517 |
|
|
1999 ENDIF IDEOPT
|
| 2518 |
|
|
2000 IFD DMAFOPT
|
| 2519 |
|
|
2001 FCC 'U' ; *** SWTPC USES 'D' FOR DMAF2 BOOT
|
| 2520 |
|
|
2002 FDB DBOOT
|
| 2521 |
|
|
2003 ENDIF DMAFOPT
|
| 2522 |
|
|
2003 ENDIF DMAFOPT
|
| 2523 |
|
|
2004 IFD EXTOPT
|
| 2524 |
|
|
2005 FE5F 55 FCC 'U' ; *** IF FPGA, 'U' IS FOR USER
|
| 2525 |
|
|
2006 FE60 FC 92 FDB USRCMD
|
| 2526 |
|
|
2007 ENDIF EXTOPT
|
| 2527 |
|
|
2008 IFD RTCOPT
|
| 2528 |
|
|
2009 FCC 'T'
|
| 2529 |
|
|
2010 FDB TIMSET
|
| 2530 |
|
|
2011 ENDIF RTCOPT
|
| 2531 |
|
|
2011 ENDIF RTCOPT
|
| 2532 |
|
|
2012 IFD TRAOPT
|
| 2533 |
|
|
2013 FCC "T"
|
| 2534 |
|
|
2014 FDB TRACE
|
| 2535 |
|
|
2015 ENDIF TRAOPT
|
| 2536 |
|
|
2015 ENDIF TRAOPT
|
| 2537 |
|
|
2016 *
|
| 2538 |
|
|
2017 FE62 TABEND EQU *
|
| 2539 |
|
|
2018 *
|
| 2540 |
|
|
2019 * ** 6809 VECTOR ADDRESSES **
|
| 2541 |
|
|
2020 *
|
| 2542 |
|
|
2021 * FOLLOWING ARE THE ADDRESSES OF THE VECTOR ROUTINES
|
| 2543 |
|
|
2022 * FOR THE 6809 PROCESSOR. DURING INITIALIZATION THEY
|
| 2544 |
|
|
2023 * ARE RELOCATED TO RAM FROM $DFC0 TO $DFCF. THEY ARE
|
| 2545 |
|
|
2024 * RELOCATED TO RAM SO THAT THE USER MAY REVECTOR TO
|
| 2546 |
|
|
2025 * HIS OWN ROUTINES IF HE SO DESIRES.
|
| 2547 |
|
|
2026 *
|
| 2548 |
|
|
2027 *
|
| 2549 |
|
|
2028 FE62 F9 94 RAMVEC FDB SWIE ; USER-V
|
| 2550 |
|
|
2029 FE64 F8 A7 FDB RTI ; SWI3-V
|
| 2551 |
|
|
2030 FE66 F8 A7 FDB RTI ; SWI2-V
|
| 2552 |
|
|
2031 FE68 F8 A7 FDB RTI ; FIRQ-V
|
| 2553 |
|
|
2032 FE6A F8 A7 FDB RTI ; IRQ-V
|
| 2554 |
|
|
2033 FE6C F9 94 FDB SWIE ; SWI-V
|
| 2555 |
|
|
2034 FE6E FF FF FDB $FFFF ; SVC-VO
|
| 2556 |
|
|
2035 FE70 FF FF FDB $FFFF ; SVC-VL
|
| 2557 |
|
|
2036 *
|
| 2558 |
|
|
2037 * PRINTABLE MESSAGE STRINGS
|
| 2559 |
|
|
2038 *
|
| 2560 |
|
|
2039 FE72 0D 0A 00 00 00 MSG1 FCB $D,$A,$0,$0,$0 * 0, CR/LF, 0
|
| 2561 |
|
|
2040 FE77 53 59 53 30 39 42 FCC 'SYS09BUG 1.7 FOR '
|
| 2562 |
|
|
55 47 20 31 2E 37
|
| 2563 |
|
|
20 46 4F 52 20
|
| 2564 |
|
|
2041 IFD SWTOPT
|
| 2565 |
|
|
2042 FCC 'SWTPC'
|
| 2566 |
|
|
2043 ENDIF SWTOPT
|
| 2567 |
|
|
2043 ENDIF SWTOPT
|
| 2568 |
|
|
2044 IFD ADSOPT
|
| 2569 |
|
|
2045 FCC 'ADS6809'
|
| 2570 |
|
|
2046 ENDIF ADSOPT
|
| 2571 |
|
|
2046 ENDIF ADSOPT
|
| 2572 |
|
|
2047 IFD B3SOPT
|
| 2573 |
|
|
2048 FCC 'B3-S2+'
|
| 2574 |
|
|
2049 ENDIF B3SOPT
|
| 2575 |
|
|
2049 ENDIF B3SOPT
|
| 2576 |
|
|
2050 IFD B5XOPT
|
| 2577 |
|
|
2051 FCC 'B5-X300'
|
| 2578 |
|
|
2052 ENDIF B5XOPT
|
| 2579 |
|
|
2052 ENDIF B5XOPT
|
| 2580 |
|
|
2053 IFD S3SOPT
|
| 2581 |
|
|
2054 FCC 'S3STARTER'
|
| 2582 |
|
|
2055 ENDIF S3SOPT
|
| 2583 |
|
|
2055 ENDIF S3SOPT
|
| 2584 |
|
|
2056 IFD S3EOPT
|
| 2585 |
|
|
2057 FCC 'S3E'
|
| 2586 |
|
|
2058 ENDIF S3EOPT
|
| 2587 |
|
|
2058 ENDIF S3EOPT
|
| 2588 |
|
|
2059 IFD XESOPT
|
| 2589 |
|
|
2060 FCC 'XESS'
|
| 2590 |
|
|
2061 ENDIF XESOPT
|
| 2591 |
|
|
2061 ENDIF XESOPT
|
| 2592 |
|
|
2062 IFD DE270OPT
|
| 2593 |
|
|
2063 FE88 44 45 32 2D 37 30 FCC 'DE2-70'
|
| 2594 |
|
|
2064 ENDIF DE270OPT
|
| 2595 |
|
|
2065 FE8E 20 2D 20 FCC ' - '
|
| 2596 |
|
|
2066 FE91 04 FCB 4
|
| 2597 |
|
|
2067 FE92 4B 0D 0A 00 00 00 MSG2 FCB 'K,$0D,$0A,$00,$00,$00,$04 ; K,,,3 NULS,
|
| 2598 |
|
|
04
|
| 2599 |
|
|
2068 FE99 3E MSG3 FCC '>'
|
| 2600 |
|
|
2069 FE9A 04 FCB 4
|
| 2601 |
|
|
2070 FE9B 57 48 41 54 3F MSG4 FCC 'WHAT?'
|
| 2602 |
|
|
2071 FEA0 04 FCB 4
|
| 2603 |
|
|
2072 FEA1 20 2D 20 MSG5 FCC ' - '
|
| 2604 |
|
|
2073 FEA4 04 FCB 4'
|
| 2605 |
|
|
2074 FEA5 20 20 53 50 3D MSG10 FCC ' SP='
|
| 2606 |
|
|
2075 FEAA 04 FCB 4
|
| 2607 |
|
|
2076 FEAB 20 20 50 43 3D MSG11 FCC ' PC='
|
| 2608 |
|
|
2077 FEB0 04 FCB 4
|
| 2609 |
|
|
2078 FEB1 20 20 55 53 3D MSG12 FCC ' US='
|
| 2610 |
|
|
2079 FEB6 04 FCB 4
|
| 2611 |
|
|
2080 FEB7 20 20 49 59 3D MSG13 FCC ' IY='
|
| 2612 |
|
|
2081 FEBC 04 FCB 4
|
| 2613 |
|
|
2082 FEBD 20 20 49 58 3D MSG14 FCC ' IX='
|
| 2614 |
|
|
2083 FEC2 04 FCB 4
|
| 2615 |
|
|
2084 FEC3 20 20 44 50 3D MSG15 FCC ' DP='
|
| 2616 |
|
|
2085 FEC8 04 FCB 4
|
| 2617 |
|
|
2086 FEC9 20 20 41 3D MSG16 FCC ' A='
|
| 2618 |
|
|
2087 FECD 04 FCB 4
|
| 2619 |
|
|
2088 FECE 20 20 42 3D MSG17 FCC ' B='
|
| 2620 |
|
|
2089 FED2 04 FCB 4
|
| 2621 |
|
|
2090 FED3 20 20 43 43 3A 20 MSG18 FCC ' CC: '
|
| 2622 |
|
|
2091 FED9 04 FCB 4
|
| 2623 |
|
|
2092 FEDA 45 46 48 49 4E 5A MSG19 FCC 'EFHINZVC'
|
| 2624 |
|
|
56 43
|
| 2625 |
|
|
2093 FEE2 53 31 MSG20 FCC 'S1'
|
| 2626 |
|
|
2094 FEE4 04 FCB 4
|
| 2627 |
|
|
2095 IFD DATOPT
|
| 2628 |
|
|
2096 *
|
| 2629 |
|
|
2097 * POWER UP/ RESET/ NMI ENTRY POINT
|
| 2630 |
|
|
2098 *
|
| 2631 |
|
|
2099 FF00 ORG $FF00
|
| 2632 |
|
|
2100 *
|
| 2633 |
|
|
2101 *
|
| 2634 |
|
|
2102 FF00 8E FF F0 START LDX #IC11 ; POINT TO DAT RAM IC11
|
| 2635 |
|
|
2103 FF03 86 0F LDA #$0F ; GET COMPLIMENT OF ZERO
|
| 2636 |
|
|
2104 *
|
| 2637 |
|
|
2105 *
|
| 2638 |
|
|
2106 * INITIALIZE DAT RAM --- LOADS $F-$0 IN LOCATIONS $0-$F
|
| 2639 |
|
|
2107 * OF DAT RAM, THUS STORING COMPLEMENT OF MSB OF ADDRESS
|
| 2640 |
|
|
2108 * IN THE DAT RAM. THE COMPLEMENT IS REQUIRED BECAUSE THE
|
| 2641 |
|
|
2109 * OUTPUT OF IC11, A 74S189, IS THE INVERSE OF THE DATA
|
| 2642 |
|
|
2110 * STORED IN IT.
|
| 2643 |
|
|
2111 *
|
| 2644 |
|
|
2112 *
|
| 2645 |
|
|
2113 FF05 A7 80 DATLP STA ,X+ ; STORE & POINT TO NEXT RAM LOCATION
|
| 2646 |
|
|
2114 FF07 4A DECA ; GET COMP. VALUE FOR NEXT LOCATION
|
| 2647 |
|
|
2115 FF08 26 FB BNE DATLP ; ALL 16 LOCATIONS INITIALIZED ?
|
| 2648 |
|
|
2116 *
|
| 2649 |
|
|
2117 * NOTE: IX NOW CONTAINS $0000, DAT RAM IS NO LONGER
|
| 2650 |
|
|
2118 * ADDRESSED, AND LOGICAL ADDRESSES NOW EQUAL
|
| 2651 |
|
|
2119 * PHYSICAL ADDRESSES.
|
| 2652 |
|
|
2120 *
|
| 2653 |
|
|
2121 FF0A 86 F0 LDA #$F0
|
| 2654 |
|
|
2122 FF0C A7 84 STA ,X ; STORE $F0 AT $FFFF
|
| 2655 |
|
|
2123 FF0E 8E D0 A0 LDX #$D0A0 ; ASSUME RAM TO BE AT $D000-$DFFF
|
| 2656 |
|
|
2124 FF11 10 8E 55 AA LDY #TSTPAT ; LOAD TEST DATA PATTERN INTO "Y"
|
| 2657 |
|
|
2125 FF15 EE 84 TSTRAM LDU ,X ; SAVE DATA FROM TEST LOCATION
|
| 2658 |
|
|
2126 FF17 10 AF 84 STY ,X ; STORE TEST PATTERN AT $D0A0
|
| 2659 |
|
|
2127 FF1A 10 AC 84 CMPY ,X ; IS THERE RAM AT THIS LOCATION ?
|
| 2660 |
|
|
2128 FF1D 27 0B BEQ CNVADR ; IF MATCH THERE'S RAM, SO SKIP
|
| 2661 |
|
|
2129 FF1F 30 89 F0 00 LEAX -$1000,X ; ELSE POINT 4K LOWER
|
| 2662 |
|
|
2130 FF23 8C F0 A0 CMPX #$F0A0 ; DECREMENTED PAST ZER0 YET ?
|
| 2663 |
|
|
2131 FF26 26 ED BNE TSTRAM ; IF NOT CONTINUE TESTING FOR RAM
|
| 2664 |
|
|
2132 FF28 20 D6 BRA START ; ELSE START ALL OVER AGAIN
|
| 2665 |
|
|
2133 *
|
| 2666 |
|
|
2134 *
|
| 2667 |
|
|
2135 * THE FOLLOWING CODE STORES THE COMPLEMENT OF
|
| 2668 |
|
|
2136 * THE MS CHARACTER OF THE FOUR CHARACTER HEX
|
| 2669 |
|
|
2137 * ADDRESS OF THE FIRST 4K BLOCK OF RAM LOCATED
|
| 2670 |
|
|
2138 * BY THE ROUTINE "TSTRAM" INTO THE DAT RAM. IT
|
| 2671 |
|
|
2139 * IS STORED IN RAM IN THE LOCATION THAT IS
|
| 2672 |
|
|
2140 * ADDRESSED WHEN THE PROCESSOR ADDRESS IS $D---,
|
| 2673 |
|
|
2141 * THUS IF THE FIRST 4K BLOCK OF RAM IS FOUND
|
| 2674 |
|
|
2142 * WHEN TESTING LOCATION $70A0, MEANING THERE
|
| 2675 |
|
|
2143 * IS NO RAM PHYSICALLY ADDRESSED IN THE RANGE
|
| 2676 |
|
|
2144 * $8000-$DFFF, THEN THE COMPLEMENT OF THE
|
| 2677 |
|
|
2145 * "7" IN THE $70A0 WILL BE STORED IN
|
| 2678 |
|
|
2146 * THE DAT RAM. THUS WHEN THE PROCESSOR OUTPUTS
|
| 2679 |
|
|
2147 * AN ADDRESS OF $D---, THE DAT RAM WILL RESPOND
|
| 2680 |
|
|
2148 * BY RECOMPLEMENTING THE "7" AND OUTPUTTING THE
|
| 2681 |
|
|
2149 * 7 ONTO THE A12-A15 ADDRESS LINES. THUS THE
|
| 2682 |
|
|
2150 * RAM THAT IS PHYSICALLY ADDRESSED AT $7---
|
| 2683 |
|
|
2151 * WILL RESPOND AND APPEAR TO THE 6809 THAT IT
|
| 2684 |
|
|
2152 * IS AT $D--- SINCE THAT IS THE ADDRESS THE
|
| 2685 |
|
|
2153 * 6809 WILL BE OUTPUTING WHEN THAT 4K BLOCK
|
| 2686 |
|
|
2154 * OF RAM RESPONDS.
|
| 2687 |
|
|
2155 *
|
| 2688 |
|
|
2156 *
|
| 2689 |
|
|
2157 FF2A EF 84 CNVADR STU ,X ; RESTORE DATA AT TEST LOCATION
|
| 2690 |
|
|
2158 FF2C 1F 10 TFR X,D ; PUT ADDR. OF PRESENT 4K BLOCK IN D
|
| 2691 |
|
|
2159 FF2E 43 COMA ; COMPLEMENT MSB OF THAT ADDRESS
|
| 2692 |
|
|
2160 FF2F 44 LSRA ; PUT MS 4 BITS OF ADDRESS IN
|
| 2693 |
|
|
2161 FF30 44 LSRA ; LOCATION D0-D3 TO ALLOW STORING
|
| 2694 |
|
|
2162 FF31 44 LSRA ; IT IN THE DYNAMIC ADDRESS
|
| 2695 |
|
|
2163 FF32 44 LSRA ; TRANSLATION RAM.
|
| 2696 |
|
|
2164 FF33 B7 FF FD STA $FFFD ; STORE XLATION FACTOR IN DAT "D"
|
| 2697 |
|
|
2165 *
|
| 2698 |
|
|
2166 FF36 10 CE DF C0 LDS #STACK ; INITIALIZE STACK POINTER
|
| 2699 |
|
|
2167 *
|
| 2700 |
|
|
2168 *
|
| 2701 |
|
|
2169 * THE FOLLOWING CHECKS TO FIND THE REAL PHYSICAL ADDRESSES
|
| 2702 |
|
|
2170 * OF ALL 4K BLKS OF RAM IN THE SYSTEM. WHEN EACH 4K BLK
|
| 2703 |
|
|
2171 * OF RAM IS LOCATED, THE COMPLEMENT OF IT'S REAL ADDRESS
|
| 2704 |
|
|
2172 * IS THEN STORED IN A "LOGICAL" TO "REAL" ADDRESS XLATION
|
| 2705 |
|
|
2173 * TABLE THAT IS BUILT FROM $DFD0 TO $DFDF. FOR EXAMPLE IF
|
| 2706 |
|
|
2174 * THE SYSTEM HAS RAM THAT IS PHYSICALLY LOCATED (WIRED TO
|
| 2707 |
|
|
2175 * RESPOND) AT THE HEX LOCATIONS $0--- THRU $F---....
|
| 2708 |
|
|
2176 *
|
| 2709 |
|
|
2177 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2710 |
|
|
2178 * 4K 4K 4K 4K 4K 4K 4K 4K -- 4K 4K 4K 4K -- -- --
|
| 2711 |
|
|
2179 *
|
| 2712 |
|
|
2180 * ....FOR A TOTAL OF 48K OF RAM, THEN THE TRANSLATION TABLE
|
| 2713 |
|
|
2181 * CREATED FROM $DFD0 TO $DFDF WILL CONSIST OF THE FOLLOWING....
|
| 2714 |
|
|
2182 *
|
| 2715 |
|
|
2183 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2716 |
|
|
2184 * 0F 0E 0D 0C 0B 0A 09 08 06 05 00 00 04 03 F1 F0
|
| 2717 |
|
|
2185 *
|
| 2718 |
|
|
2186 *
|
| 2719 |
|
|
2187 * HERE WE SEE THE LOGICAL ADDRESSES OF MEMORY FROM $0000-$7FFF
|
| 2720 |
|
|
2188 * HAVE NOT BEEN SELECTED FOR RELOCATION SO THAT THEIR PHYSICAL
|
| 2721 |
|
|
2189 * ADDRESS WILL = THEIR LOGICAL ADDRESS; HOWEVER, THE 4K BLOCK
|
| 2722 |
|
|
2190 * PHYSICALLY AT $9000 WILL HAVE ITS ADDRESS TRANSLATED SO THAT
|
| 2723 |
|
|
2191 * IT WILL LOGICALLY RESPOND AT $8000. LIKEWISE $A,$B, AND $C000
|
| 2724 |
|
|
2192 * WILL BE TRANSLATED TO RESPOND TO $9000,$C000, AND $D000
|
| 2725 |
|
|
2193 * RESPECTIVELY. THE USER SYSTEM WILL LOGICALLY APPEAR TO HAVE
|
| 2726 |
|
|
2194 * MEMORY ADDRESSED AS FOLLOWS....
|
| 2727 |
|
|
2195 *
|
| 2728 |
|
|
2196 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2729 |
|
|
2197 * 4K 4K 4K 4K 4K 4K 4K 4K 4K 4K -- -- 4K 4K -- --
|
| 2730 |
|
|
2198 *
|
| 2731 |
|
|
2199 *
|
| 2732 |
|
|
2200 FF3A 10 8E DF D0 LDY #LRARAM ; POINT TO LOGICAL/REAL ADDR. TABLE
|
| 2733 |
|
|
2201 FF3E A7 2D STA 13,Y ; STORE $D--- XLATION FACTOR AT $DFDD
|
| 2734 |
|
|
2202 FF40 6F 2E CLR 14,Y ; CLEAR $DFDE
|
| 2735 |
|
|
2203 FF42 86 F0 LDA #$F0 ; DESTINED FOR IC8 AN MEM EXPANSION ?
|
| 2736 |
|
|
2204 FF44 A7 2F STA 15,Y ; STORE AT $DFDF
|
| 2737 |
|
|
2205 FF46 86 0C LDA #$0C ; PRESET NUMBER OF BYTES TO CLEAR
|
| 2738 |
|
|
2206 FF48 6F A6 CLRLRT CLR A,Y ; CLEAR $DFDC THRU $DFD0
|
| 2739 |
|
|
2207 FF4A 4A DECA ; SUB. 1 FROM BYTES LEFT TO CLEAR
|
| 2740 |
|
|
2208 FF4B 2A FB BPL CLRLRT ; CONTINUE IF NOT DONE CLEARING
|
| 2741 |
|
|
2209 FF4D 30 89 F0 00 FNDRAM LEAX -$1000,X ; POINT TO NEXT LOWER 4K OF RAM
|
| 2742 |
|
|
2210 FF51 8C F0 A0 CMPX #$F0A0 ; TEST FOR DECREMENT PAST ZERO
|
| 2743 |
|
|
2211 FF54 27 22 BEQ FINTAB ; SKIP IF FINISHED
|
| 2744 |
|
|
2212 FF56 EE 84 LDU ,X ; SAVE DATA AT CURRENT TEST LOCATION
|
| 2745 |
|
|
2213 FF58 10 8E 55 AA LDY #TSTPAT ; LOAD TEST DATA PATTERN INTO Y REG.
|
| 2746 |
|
|
2214 FF5C 10 AF 84 STY ,X ; STORE TEST PATT. INTO RAM TEST LOC.
|
| 2747 |
|
|
2215 FF5F 10 AC 84 CMPY ,X ; VERIFY RAM AT TEST LOCATION
|
| 2748 |
|
|
2216 FF62 26 E9 BNE FNDRAM ; IF NO RAM GO LOOK 4K LOWER
|
| 2749 |
|
|
2217 FF64 EF 84 STU ,X ; ELSE RESTORE DATA TO TEST LOCATION
|
| 2750 |
|
|
2218 FF66 10 8E DF D0 LDY #LRARAM ; POINT TO LOGICAL/REAL ADDR. TABLE
|
| 2751 |
|
|
2219 FF6A 1F 10 TFR X,D ; PUT ADDR. OF PRESENT 4K BLOCK IN D
|
| 2752 |
|
|
2220 FF6C 44 LSRA ; PUT MS 4 BITS OF ADDR. IN LOC. D0-D3
|
| 2753 |
|
|
2221 FF6D 44 LSRA ; TO ALLOW STORING IT IN THE DAT RAM.
|
| 2754 |
|
|
2222 FF6E 44 LSRA
|
| 2755 |
|
|
2223 FF6F 44 LSRA
|
| 2756 |
|
|
2224 FF70 1F 89 TFR A,B ; SAVE OFFSET INTO LRARAM TABLE
|
| 2757 |
|
|
2225 FF72 88 0F EORA #$0F ; INVERT MSB OF ADDR. OF CURRENT 4K BLK
|
| 2758 |
|
|
2226 FF74 A7 A5 STA B,Y ; SAVE TRANSLATION FACTOR IN LRARAM TABLE
|
| 2759 |
|
|
2227 FF76 20 D5 BRA FNDRAM ; GO TRANSLATE ADDR. OF NEXT 4K BLK
|
| 2760 |
|
|
2228 FF78 86 F1 FINTAB LDA #$F1 ; DESTINED FOR IC8 AND MEM EXPANSION ?
|
| 2761 |
|
|
2229 FF7A 10 8E DF D0 LDY #LRARAM ; POINT TO LRARAM TABLE
|
| 2762 |
|
|
2230 FF7E A7 2E STA 14,Y ; STORE $F1 AT $DFCE
|
| 2763 |
|
|
2231 *
|
| 2764 |
|
|
2232 * THE FOLLOWING CHECKS TO SEE IF THERE IS A 4K BLK OF
|
| 2765 |
|
|
2233 * RAM LOCATED AT $C000-$CFFF. IF NONE THERE IT LOCATES
|
| 2766 |
|
|
2234 * THE NEXT LOWER 4K BLK AN XLATES ITS ADDR SO IT
|
| 2767 |
|
|
2235 * LOGICALLY RESPONDS TO THE ADDRESS $C---.
|
| 2768 |
|
|
2236 *
|
| 2769 |
|
|
2237 *
|
| 2770 |
|
|
2238 FF80 86 0C LDA #$0C ; PRESET NUMBER HEX "C"
|
| 2771 |
|
|
2239 FF82 E6 A6 FINDC LDB A,Y ; GET ENTRY FROM LRARAM TABLE
|
| 2772 |
|
|
2240 FF84 26 05 BNE FOUNDC ; BRANCH IF RAM THIS PHYSICAL ADDR.
|
| 2773 |
|
|
2241 FF86 4A DECA ; ELSE POINT 4K LOWER
|
| 2774 |
|
|
2242 FF87 2A F9 BPL FINDC ; GO TRY AGAIN
|
| 2775 |
|
|
2243 FF89 20 14 BRA XFERTF
|
| 2776 |
|
|
2244 FF8B 6F A6 FOUNDC CLR A,Y ; CLR XLATION FACTOR OF 4K BLOCK FOUND
|
| 2777 |
|
|
2245 FF8D E7 2C STB $0C,Y ; GIVE IT XLATION FACTOR MOVING IT TO $C---
|
| 2778 |
|
|
2246 *
|
| 2779 |
|
|
2247 * THE FOLLOWING CODE ADJUSTS THE TRANSLATION
|
| 2780 |
|
|
2248 * FACTORS SUCH THAT ALL REMAINING RAM WILL
|
| 2781 |
|
|
2249 * RESPOND TO A CONTIGUOUS BLOCK OF LOGICAL
|
| 2782 |
|
|
2250 * ADDRESSES FROM $0000 AND UP....
|
| 2783 |
|
|
2251 *
|
| 2784 |
|
|
2252 FF8F 4F CLRA ; START AT ZERO
|
| 2785 |
|
|
2253 FF90 1F 21 TFR Y,X ; START POINTER "X" START OF "LRARAM" TABLE.
|
| 2786 |
|
|
2254 FF92 E6 A6 COMPRS LDB A,Y ; GET ENTRY FROM "LRARAM" TABLE
|
| 2787 |
|
|
2255 FF94 27 04 BEQ PNTNXT ; IF IT'S ZER0 SKIP
|
| 2788 |
|
|
2256 FF96 6F A6 CLR A,Y ; ELSE ERASE FROM TABLE
|
| 2789 |
|
|
2257 FF98 E7 80 STB ,X+ ; AND ENTER ABOVE LAST ENTRY- BUMP
|
| 2790 |
|
|
2258 FF9A 4C PNTNXT INCA ; GET OFFSET TO NEXT ENTRY
|
| 2791 |
|
|
2259 FF9B 81 0C CMPA #$0C ; LAST ENTRY YET ?
|
| 2792 |
|
|
2260 FF9D 2D F3 BLT COMPRS
|
| 2793 |
|
|
2261 *
|
| 2794 |
|
|
2262 * THE FOLLOWING CODE TRANSFER THE TRANSLATION
|
| 2795 |
|
|
2263 * FACTORS FROM THE LRARAM TABLE TO IC11 ON
|
| 2796 |
|
|
2264 * THE MP-09 CPU CARD.
|
| 2797 |
|
|
2265 *
|
| 2798 |
|
|
2266 FF9F 8E FF F0 XFERTF LDX #IC11 ; POINT TO DAT RAM IC11
|
| 2799 |
|
|
2267 FFA2 C6 10 LDB #$10 ; GET NO. OF BYTES TO MOVE
|
| 2800 |
|
|
2268 FFA4 A6 A0 FETCH LDA ,Y+ ; GET BYTE AND POINT TO NEXT
|
| 2801 |
|
|
2269 FFA6 A7 80 STA ,X+ ; POKE XLATION FACTOR IN IC11
|
| 2802 |
|
|
2270 FFA8 5A DECB ; SUB 1 FROM BYTES TO MOVE
|
| 2803 |
|
|
2271 FFA9 26 F9 BNE FETCH ; CONTINUE UNTIL 16 MOVED
|
| 2804 |
|
|
2272 *
|
| 2805 |
|
|
2273 ELSE
|
| 2806 |
|
|
2274 LRA RTS
|
| 2807 |
|
|
2275 START LDS #STACK ; INITIALIZE STACK POINTER
|
| 2808 |
|
|
2276 CLRB
|
| 2809 |
|
|
2277 ENDIF DATOPT
|
| 2810 |
|
|
2277 ENDIF DATOPT
|
| 2811 |
|
|
2278 *
|
| 2812 |
|
|
2279 FFAB 53 COMB ; SET "B" NON-ZERO
|
| 2813 |
|
|
2280 FFAC F7 DF E2 STB ECHO ; TURN ON ECHO FLAG
|
| 2814 |
|
|
2281 FFAF 16 F8 62 LBRA MONITOR ; INITIALIZATION IS COMPLETE
|
| 2815 |
|
|
2282 *
|
| 2816 |
|
|
2283 ** INTERRUPT JUMP VECTORS
|
| 2817 |
|
|
2284 *
|
| 2818 |
|
|
2285 FFB2 6E 9F DF C0 V1 JMP [STACK]
|
| 2819 |
|
|
2286 FFB6 6E 9F DF C4 V2 JMP [SWI2]
|
| 2820 |
|
|
2287 FFBA 6E 9F DF C6 V3 JMP [FIRQ]
|
| 2821 |
|
|
2288 FFBE 6E 9F DF C8 V4 JMP [IRQ]
|
| 2822 |
|
|
2289 FFC2 6E 9F DF CA V5 JMP [SWI]
|
| 2823 |
|
|
2290 *
|
| 2824 |
|
|
2291 * SWI3 ENTRY POINT
|
| 2825 |
|
|
2292 *
|
| 2826 |
|
|
2293 FFC6 1F 43 SWI3E TFR S,U
|
| 2827 |
|
|
2294 FFC8 AE 4A LDX 10,U *$FFC8
|
| 2828 |
|
|
2295 FFCA E6 80 LDB ,X+
|
| 2829 |
|
|
2296 FFCC AF 4A STX 10,U
|
| 2830 |
|
|
2297 FFCE 4F CLRA
|
| 2831 |
|
|
2298 FFCF 58 ASLB
|
| 2832 |
|
|
2299 FFD0 49 ROLA
|
| 2833 |
|
|
2300 FFD1 BE DF CC LDX SVCVO
|
| 2834 |
|
|
2301 FFD4 8C FF FF CMPX #$FFFF
|
| 2835 |
|
|
2302 FFD7 27 0F BEQ SWI3Z
|
| 2836 |
|
|
2303 FFD9 30 8B LEAX D,X
|
| 2837 |
|
|
2304 FFDB BC DF CE CMPX SVCVL
|
| 2838 |
|
|
2305 FFDE 22 08 BHI SWI3Z
|
| 2839 |
|
|
2306 FFE0 34 10 PSHS X
|
| 2840 |
|
|
2307 FFE2 EC C4 LDD ,U
|
| 2841 |
|
|
2308 FFE4 AE 44 LDX 4,U
|
| 2842 |
|
|
2309 FFE6 6E F1 JMP [,S++]
|
| 2843 |
|
|
2310 FFE8 37 1F SWI3Z PULU A,B,X,CC,DP
|
| 2844 |
|
|
2311 FFEA EE 42 LDU 2,U
|
| 2845 |
|
|
2312 FFEC 6E 9F DF C2 JMP [SWI3]
|
| 2846 |
|
|
2313 *
|
| 2847 |
|
|
2314 * 6809 VECTORS
|
| 2848 |
|
|
2315 *
|
| 2849 |
|
|
2316 FFF0 ORG $FFF0
|
| 2850 |
|
|
2317 FFF0 FF B2 FDB V1 USER-V
|
| 2851 |
|
|
2318 FFF2 FF C6 FDB SWI3E SWI3-V
|
| 2852 |
|
|
2319 FFF4 FF B6 FDB V2 SWI2-V
|
| 2853 |
|
|
2320 FFF6 FF BA FDB V3 FIRQ-V
|
| 2854 |
|
|
2321 FFF8 FF BE FDB V4 IRQ-V
|
| 2855 |
|
|
2322 FFFA FF C2 FDB V5 SWI-V
|
| 2856 |
|
|
2323 FFFC FF B2 FDB V1 NMI-V
|
| 2857 |
|
|
2324 FFFE FF 00 FDB START RESTART-V
|
| 2858 |
|
|
0004 END START
|
| 2859 |
|
|
0005 END
|
| 2860 |
|
|
Program + Init Data = 2021 bytes
|
| 2861 |
|
|
Error count = 0
|
