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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 ADS6809
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0000 INCLUDE "opt_ads.txt"
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0001 *
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0002 ***************************************************
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0003 * OPTION SWITCHES
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0004 ***************************************************
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0005 *
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0006 *
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0007 ** THE CONTROL PORT CAN ONLY BE ONE OF THESE
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0008 ** NOTE THAT THE ACIA WILL ALWAYS BE PRESET
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0009 ** FOR LOADING AND SAVING S1 RECORDS
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0010 *
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0011 *S3EOPT EQU $FF SPARTAN3E STARTER
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0012 *S3SOPT EQU $FF SPARTAN3 STARTER FPGA VIDEO & PS2 KEYBOARD
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0013 *B5XOPT EQU $FF B5-X300 FPGA VIDEO & PS2 KEYBOARD
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0014 *XESOPT EQU $FF XESS XSA-3S100 & XST-3.0
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0015 00FF ADSOPT EQU $FF ADS6809 & DG640 VIDEO DISPAY
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0016 *SWTOPT EQU $FF SWTP ACIA SERIAL CONTROL PORT
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0017 *
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0002 END
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0000 INCLUDE "sys09equ.txt"
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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 S3EOPT
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0007 MONRAM EQU $7FC0
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0008 ELSE
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0009 DFC0 MONRAM EQU $DFC0 STACK SPACE
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0010 ENDIF S3EOPT
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0011 F800 MONROM EQU $F800 START OF ROM
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0012 IFD S3SOPT
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0013 MONEXT EQU $F000 START OF EXTENDED COMMANDS
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0014 EXTCMD EQU $00 EXTENDED OFFSET
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0015 ENDIF S3SOPT
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0015 ENDIF S3SOPT
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0016 IFD XESOPT
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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 XESOPT
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0019 ENDIF XESOPT
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0020 ***************************************************
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0021
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0022 IFD S3EOPT
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0023 *
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0024 * DIGILENT SPARTAN 3E STARTER
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0025 *
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0026 ACIAOPT EQU $FF ACIA AT PORT 0
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0027 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0028 VDUOPT EQU $FF VDU AT $E030
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0029 TRAOPT EQU $FF PIA TRACE TIMER
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0030 ENDIF S3EOPT
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0030 ENDIF S3EOPT
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0031 *
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0032 IFD S3SOPT
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0033 *
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0034 * DIGILENT SPARTAN 3 STARTER
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0035 *
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0036 ACIAOPT EQU $FF ACIA AT PORT 0
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0037 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0038 VDUOPT EQU $FF VDU AT $E030
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0039 CF8OPT EQU $FF COMPACT FLASH AT $E040
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0040 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0041 EXTOPT EQU $FF EXTENDED COMMANDS
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0042 ENDIF S3SOPT
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0042 ENDIF S3SOPT
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0043 *
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0044 IFD B5XOPT
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0045 *
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0046 * BURCHED B5-X300
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0047 *
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0048 ACIAOPT EQU $FF ACIA AT PORT 0
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0049 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0050 VDUOPT EQU $FF VDU AT $E030
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0051 CF8OPT EQU $FF COMPACT FLASH AT $E040
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0052 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0053 ENDIF B5XOPT
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0053 ENDIF B5XOPT
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0054 *
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0055 IFD XESOPT
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0056 *
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0057 * XESS XSA-3S1000 & XST-3.0
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0058 *
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0059 ACIAOPT EQU $FF ACIA AT PORT 0
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0060 PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0061 VDUOPT EQU $FF VDU AT $E030
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0062 IDEOPT EQU $FF XESS IDE AT $E100
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0063 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0064 EXTOPT EQU $FF EXTENDED COMMANDS
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0065 ENDIF XESOPT
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0065 ENDIF XESOPT
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0066 *
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0067 IFD ADSOPT
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0068 *
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0069 * ACKERMAN DIGITAL ADS6809
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0070 *
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0071 00FF DG640OPT EQU $FF DG640 VDU AT $E800
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0072 *RTCOPT EQU $FF REAL TIME CLOCK
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0073 00FF PRTOPT EQU $FF PRINTER DRIVERS
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0074 00FF MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
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0075 ENDIF ADSOPT
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0076 *
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0077 IFD SWTOPT
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0078 *
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0079 * SOUTH WEST TECHNICAL PRODUCTS COMPUTER
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0080 *
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0081 ACIAOPT EQU $FF ACIA AT PORT 0
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0082 DMAFOPT EQU $FF DMAF2 8" FLOPPY DISK BOOT
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0083 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
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0084 DATOPT EQU $FF DYNAMIC ADDRESS TRANSLATION
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0085 ENDIF
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0085 ENDIF
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0086 *
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0087 IFD ACIAOPT
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0088 *
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0089 ***************************************************
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0090 * SERIAL PORT *
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0091 ***************************************************
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0092 *
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0093 ** ACIA SITS ON PORT 0
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0094 *
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0095 ACIAS EQU MONIO+$00 CONTROL PORT
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0096 *
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0097 ENDIF ACIAOPT
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0097 ENDIF ACIAOPT
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0098 IFD MFDCOPT
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0099 *
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0100 ***************************************************
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0101 * MINIFLOPPY DRIVE *
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0102 ***************************************************
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0103 *
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0104 ** FLOPPY DISK CONTROLLER SITS ON PORT 1
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0105 *
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0106 E014 DRVFDC EQU MONIO+$14
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0107 E018 CMDFDC EQU MONIO+$18
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0108 E01A SECFDC EQU MONIO+$1A
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0109 E01B DATFDC EQU MONIO+$1B
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0110 ENDIF MFDCOPT
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0111 IFD PS2OPT
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0112 *
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0113 ***************************************************
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0114 * VDU8 PS/2 KEYBOARD PORT *
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0115 ***************************************************
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0116 *
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0117 ** KEYBOARD SITS ON PORT 2
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0118 *
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0119 PS2KBD EQU MONIO+$20 PS/2 KEYBOARD PORT
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0120 ENDIF PS2OPT
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0120 ENDIF PS2OPT
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0121 IFD VDUOPT
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0122 *
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0123 ***************************************************
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0124 * VDU8 DISPLAY DRIVER EQUATES *
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0125 ***************************************************
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0126 *
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0127 ** VDU8 DISPLAY SITS ON PORT 3
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0128 *
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0129 VDU EQU MONIO+$30
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0130 VDUCHR EQU 0 CHARACTER REGISTER
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0131 VDUATT EQU 1 ATTRIBUTE REGISTER
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0132 VDUCOL EQU 2 CURSOR COLUMN
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0133 VDUROW EQU 3 CURSOR ROW
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0134 VDUOFF EQU 4 ROW OFFSET
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0135 *
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0136 LINLEN EQU 80 LENGTH OF A LINE
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0137 NUMLIN EQU 25 NUMBER OF LINES
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0138 ENDIF VDUOPT
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0138 ENDIF VDUOPT
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0139 *
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0140 IFD CF8OPT
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0141 *
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0142 ***************************************************
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0143 * COMPACT FLASH EQUATES 8 BIT TRANSFER *
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0144 ***************************************************
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0145 *
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0146 ** COMPACT FLASH SITS AT PORT 4
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0147 *
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0148 CF_BASE EQU MONIO+$40
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0149 CF_DATA EQU CF_BASE+0
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0150 CF_ERROR EQU CF_BASE+1 ; read error
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0151 CF_FEATURE EQU CF_BASE+1 ; write feature
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0152 CF_SECCNT EQU CF_BASE+2
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0153 CF_SECNUM EQU CF_BASE+3
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0154 CF_CYLLO EQU CF_BASE+4
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0155 CF_CYLHI EQU CF_BASE+5
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0156 CF_HEAD EQU CF_BASE+6
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0157 CF_STATUS EQU CF_BASE+7 ; read status
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0158 CF_COMAND EQU CF_BASE+7 ; write command
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0159 *
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0160 * Command Equates
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0161 *
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0162 CMDREAD EQU $20 ; Read Single sector
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0163 CMDWRITE EQU $30 ; Write Single sector
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0164 CMDFEATURE EQU $EF
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0165 FEAT8BIT EQU $01 ; enable 8 bit transfers
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0166 HEADLBA EQU $E0
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0167 *
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0168 * Status bit equates
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0169 *
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0170 BUSY EQU $80
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0171 DRDY EQU $40
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0172 DRQ EQU $08
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0173 ERR EQU $01
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0174 *
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0175 ENDIF CF8OPT
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0175 ENDIF CF8OPT
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0176 *
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0177 IFD IDEOPT
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0178 *
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0179 ***************************************************
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0180 * COMPACT FLASH EQUATES 16 BIT TRANSFER (XESS) *
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0181 ***************************************************
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0182 *
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0183 ** COMPACT FLASH SITS AT PORT 4
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0184 *
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0185 CF_BASE EQU MONIO+$0100
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0186 CF_DATA EQU CF_BASE+0
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0187 CF_ERROR EQU CF_BASE+2 ; read error
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0188 CF_FEATURE EQU CF_BASE+2 ; write feature
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0189 CF_SECCNT EQU CF_BASE+4
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0190 CF_SECNUM EQU CF_BASE+6
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0191 CF_CYLLO EQU CF_BASE+8
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0192 CF_CYLHI EQU CF_BASE+10
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0193 CF_HEAD EQU CF_BASE+12
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0194 CF_STATUS EQU CF_BASE+14 ; read status
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0195 CF_COMAND EQU CF_BASE+14 ; write command
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0196 CF_AUX EQU CF_BASE+30
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0197 *
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0198 * Command Equates
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0199 *
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0200 CMDREAD EQU $20 ; Read Single sector
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0201 CMDWRITE EQU $30 ; Write Single sector
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0202 AUXRESET EQU $06 ; Reset IDE
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0203 AUXRSTREL EQU $02 ; Reset release IRQ masked
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0204 HEADLBA EQU $E0
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0205 *
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0206 * Status bit equates
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0207 *
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0208 BUSY EQU $80
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0209 DRDY EQU $40
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0210 DRQ EQU $08
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0211 ERR EQU $01
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0212 *
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0213 ENDIF CF8OPT
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0213 ENDIF CF8OPT
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0214 *
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0215 IFD RTCOPT
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0216 *
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0217 **************************************************
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0218 * MM58167A REAL TIME CLOCK MEMORY MAP:
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0219 **************************************************
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0220 *
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0221 ** REAL TIME CLOCK SITS ON PORT 4 AND PORT 5
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0222 *
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0223 CLOCK EQU MONIO+$40 CLOCK BASE ADDRESS AND REGISTERS
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0224 *
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0225 * COUNTER AND COMPARITOR REGISTERS:
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0226 *
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0227 * Both the Clock Counter and Clock Comparitor
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0228 * consist of 8 registers for holding the time.
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0229 * The register offsets from the Counter and
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0230 * Comparitor registers are listed above.
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0231 *
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0232 COUNTR EQU CLOCK+0
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0233 CMPRAM EQU CLOCK+8 COMPARITOR REGISTERS
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0234 *
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0235 * CLOCK REGISTER OFFSETS:
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0236 * These register offsets are used for the CLOCK
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0237 * and comparitor ram CMPRAM.
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0238 *
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0239 S10000 EQU 0 TEN THOUNSANDTHS OF SECONDS
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0240 S100 EQU 1 HUNDRETHS AND TENTHS OF SECONDS
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| 276 |
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0241 SECOND EQU 2
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0242 MINUIT EQU 3
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0243 HOUR EQU 4
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0244 WKDAY EQU 5
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0245 MTHDAY EQU 6
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| 281 |
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0246 MONTH EQU 7
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0247 *
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| 283 |
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0248 * INTERRUPT OUTPUT REGISTERS:
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| 284 |
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0249 *
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| 285 |
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0250 * An interrupt output may be generated at the
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0251 * following rates by setting the appropriate bit
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0252 * in the Interrupt Control Register (CINTCR).
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| 288 |
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0253 * The Interrupt Status Register (CINTSR) must be
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0254 * read to clear the interrupt and will return
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0255 * the source of the interrupt.
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0256 *
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| 292 |
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0257 * 1/Month Bit 7
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| 293 |
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0258 * 1/Week Bit 6
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| 294 |
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0259 * 1/Day Bit 5
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| 295 |
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0260 * 1/Hour Bit 4
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| 296 |
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0261 * 1/Minuite Bit 3
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| 297 |
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0262 * 1/Second Bit 2
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| 298 |
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0263 * 10/Second Bit 1
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| 299 |
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0264 * Comparitor Bit 0
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| 300 |
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0265 *
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0266 CINTSR EQU CLOCK+16 INTERRUPT STATUS REGISTER
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| 302 |
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0267 CINTCR EQU CLOCK+17 INTERRUPT CONTROL REGISTER
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| 303 |
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0268 *
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| 304 |
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0269 * COUNTER AND RAM RESETS; GO COMMAND.
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| 305 |
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0270 *
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| 306 |
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0271 * The counter and comparitor may be reset
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| 307 |
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0272 * by writing $FF into CTRRES and CMPRES
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0273 * respectivly.
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0274 * A write to the Go command register (GOCMND)
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0275 * will reset the 1/1000ths, 1/100ths and 1/10ths
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0276 * of a second counter.
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| 312 |
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0277 *
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| 313 |
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0278 CTRRES EQU CLOCK+18 COUNTER RESET
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| 314 |
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0279 CMPRES EQU CLOCK+19 COMPARITOR RAM RESET
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| 315 |
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0280 GOCMND EQU CLOCK+21 GO COMMAND
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| 316 |
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0281 *
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| 317 |
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0282 * CLOCK STATUS REGISTER.
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| 318 |
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0283 *
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| 319 |
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0284 * The counter takes 61 usec. to rollover for
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| 320 |
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0285 * every 1KHz clock pulse. If the Status bit is
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| 321 |
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0286 * set after reading the counter, the counter
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| 322 |
|
|
0287 * should be re-read to ensure the time is correct.
|
| 323 |
|
|
0288 *
|
| 324 |
|
|
0289 CLKSTA EQU CLOCK+20 STATUS BIT
|
| 325 |
|
|
0290 SBYINT EQU CLOCK+22 STANDBY INTERRUPT
|
| 326 |
|
|
0291 TSTMOD EQU CLOCK+31 TEST MODE REGISTER
|
| 327 |
|
|
0292 ENDIF RTCOPT
|
| 328 |
|
|
0292 ENDIF RTCOPT
|
| 329 |
|
|
0293 *
|
| 330 |
|
|
0294 IFD TRAOPT
|
| 331 |
|
|
0295 *
|
| 332 |
|
|
0296 **************************************************
|
| 333 |
|
|
0297 * PIA INTERRUPT TIMER
|
| 334 |
|
|
0298 **************************************************
|
| 335 |
|
|
0299 *
|
| 336 |
|
|
0300 ** PIA INTERRUPT TIMER SITS ON PORT 7
|
| 337 |
|
|
0301 *
|
| 338 |
|
|
0302 ** PIA TIMER FOR SINGLE STEP / TRACE
|
| 339 |
|
|
0303 *
|
| 340 |
|
|
0304 * TADATA = Output = Timer preset register
|
| 341 |
|
|
0305 * TACTRL - CA1 = input = rising edge = NMI
|
| 342 |
|
|
0306 * - CA2 = Output = Timer Reset (Active High)
|
| 343 |
|
|
0307 * TBDATA = Input = Timer read back register
|
| 344 |
|
|
0308 * TBCTRL - CB1 = input = rising edge = FIRQ
|
| 345 |
|
|
0309 * - CB2 = output = strobe low on write to TBDATA = Timer Preset
|
| 346 |
|
|
0310 *
|
| 347 |
|
|
0311 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
| 348 |
|
|
0312 * CRA1 = 1 CA1 Rising edge IRQ
|
| 349 |
|
|
0313 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
| 350 |
|
|
0314 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
| 351 |
|
|
0315 * CRA4 = 1 ] CA2 = Set/Reset output
|
| 352 |
|
|
0316 * CRA5 = 1 ]
|
| 353 |
|
|
0317 * CRA6 = X CA2 Input Interrupt Flag
|
| 354 |
|
|
0318 * CRA7 = X CA1 Interrupt Flag
|
| 355 |
|
|
0319 *
|
| 356 |
|
|
0320 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
| 357 |
|
|
0321 * CRB1 = 1 CB1 Rising edge IRQ
|
| 358 |
|
|
0322 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
| 359 |
|
|
0323 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
| 360 |
|
|
0324 * CRB4 = 1 ] CB2 = Set/Reset output
|
| 361 |
|
|
0325 * CRB5 = 1 ]
|
| 362 |
|
|
0326 * CRB6 = X CB2 Input Interrupt Flag
|
| 363 |
|
|
0327 * CRB7 = X CB1 Interrupt Flag
|
| 364 |
|
|
0328 *
|
| 365 |
|
|
0329 * DDRA = 0 TADATA = Input, DDRA = 1 TADATA = Output
|
| 366 |
|
|
0330 * DDRB = 0 TBDATA = Input, DDRB = 1 TBDATA = Output
|
| 367 |
|
|
0331 *
|
| 368 |
|
|
0332 TADATA EQU MONIO+$70 Timer preset port
|
| 369 |
|
|
0333 TACTRL EQU MONIO+$71
|
| 370 |
|
|
0334 TBDATA EQU MONIO+$72 Timer read back port
|
| 371 |
|
|
0335 TBCTRL EQU MONIO+$73
|
| 372 |
|
|
0336 *
|
| 373 |
|
|
0337 TRADEL EQU 13 Number of E cycles for RTI (May need to be fudged)
|
| 374 |
|
|
0338 *
|
| 375 |
|
|
0339 ENDIF TRAOPT
|
| 376 |
|
|
0339 ENDIF TRAOPT
|
| 377 |
|
|
0340 IFD ADSOPT
|
| 378 |
|
|
0341 *
|
| 379 |
|
|
0342 ***************************************************
|
| 380 |
|
|
0343 * SERIAL PORT FOR DG640 *
|
| 381 |
|
|
0344 ***************************************************
|
| 382 |
|
|
0345 *
|
| 383 |
|
|
0346 ** SET UP FOR ACKERMAN DIGITAL ADS6809
|
| 384 |
|
|
0347 ** THE ADS6809 S100 BOAD HAS AN ON BOARD ACIA
|
| 385 |
|
|
0348 *
|
| 386 |
|
|
0349 E400 ACIAS EQU MONIO+$400 CONTROL PORT
|
| 387 |
|
|
0350 *
|
| 388 |
|
|
0351 ENDIF ADSOPT
|
| 389 |
|
|
0352 IFD PRTOPT
|
| 390 |
|
|
0353 *
|
| 391 |
|
|
0354 ***************************************************
|
| 392 |
|
|
0355 * PRINTER INTERFACE *
|
| 393 |
|
|
0356 ***************************************************
|
| 394 |
|
|
0357 *
|
| 395 |
|
|
0358 E404 PADATA EQU MONIO+$404
|
| 396 |
|
|
0359 E405 PACTRL EQU MONIO+$405
|
| 397 |
|
|
0360 E406 PBDATA EQU MONIO+$406
|
| 398 |
|
|
0361 E407 PBCTRL EQU MONIO+$407
|
| 399 |
|
|
0362 *
|
| 400 |
|
|
0363 ** CB1 ACK. I/P
|
| 401 |
|
|
0364 ** CB2 STB. O/P
|
| 402 |
|
|
0365 ** PB0 - PB7 DATA 1 - 8 O/P
|
| 403 |
|
|
0366 ** PORT A BIT ASSIGNMENT
|
| 404 |
|
|
0367 *
|
| 405 |
|
|
0368 0080 PBUSY EQU $80 I/P
|
| 406 |
|
|
0369 0040 PEMPTY EQU $40 I/P
|
| 407 |
|
|
0370 0020 SELECT EQU $20 I/P
|
| 408 |
|
|
0371 0010 PERROR EQU $10 I/P
|
| 409 |
|
|
0372 0004 PRESET EQU %00000100 O/P PA3 = 0
|
| 410 |
|
|
0373 0008 AUTOFD EQU %00001000 O/P PA2 = 0
|
| 411 |
|
|
0374 000C DIRMSK EQU %00001100
|
| 412 |
|
|
0375 ENDIF PRTOPT
|
| 413 |
|
|
0376 IFD DG640OPT
|
| 414 |
|
|
0377 *
|
| 415 |
|
|
0378 ***************************************************
|
| 416 |
|
|
0379 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
|
| 417 |
|
|
0380 ***************************************************
|
| 418 |
|
|
0381 *
|
| 419 |
|
|
0382 ** VIDEO DISPLAY DEFINITIONS
|
| 420 |
|
|
0383 *
|
| 421 |
|
|
0384 E800 SCREEN EQU MONIO+$0800 START OF SCREEN MEMORY
|
| 422 |
|
|
0385 0040 LINLEN EQU 64 LENGTH OF A LINE
|
| 423 |
|
|
0386 0010 NUMLIN EQU 16 NUMBER OF LINES
|
| 424 |
|
|
0387 0400 SCNLEN EQU $400 LENGTH OF SCREEN
|
| 425 |
|
|
0388 ENDIF DG640OPT
|
| 426 |
|
|
0389 *
|
| 427 |
|
|
0390 IFD DMAFOPT
|
| 428 |
|
|
0391 *
|
| 429 |
|
|
0392 ***************************************************
|
| 430 |
|
|
0393 * DMAF2 8" DRIVE *
|
| 431 |
|
|
0394 ***************************************************
|
| 432 |
|
|
0395 *
|
| 433 |
|
|
0396 ADDREG EQU $F000 ADDRESS REGISTER
|
| 434 |
|
|
0397 CNTREG EQU $F002 COUNT REGISTER
|
| 435 |
|
|
0398 CCREG EQU $F010 CHANNEL CONTROL REGISTER
|
| 436 |
|
|
0399 PRIREG EQU $F014 DMA PRIORITY REGISTER
|
| 437 |
|
|
0400 AAAREG EQU $F015 ???
|
| 438 |
|
|
0401 BBBREG EQU $F016 ???
|
| 439 |
|
|
0402 COMREG EQU $F020 1791 COMMAND REGISTER
|
| 440 |
|
|
0403 SECREG EQU $F022 SECTOR REGISTER
|
| 441 |
|
|
0404 DRVREG EQU $F024 DRIVE SELECT LATCH
|
| 442 |
|
|
0405 CCCREG EQU $F040 ???
|
| 443 |
|
|
0406 ENDIF DMAFOPT
|
| 444 |
|
|
0406 ENDIF DMAFOPT
|
| 445 |
|
|
0407 IFD DATOPT
|
| 446 |
|
|
0408 **************************************************
|
| 447 |
|
|
0409 * DYNAMIC ADDRESS TRANSLATION REGISTERS *
|
| 448 |
|
|
0410 **************************************************
|
| 449 |
|
|
0411 *
|
| 450 |
|
|
0412 IC11 EQU $FFF0 DAT RAM CHIP
|
| 451 |
|
|
0413 TSTPAT EQU $55AA TEST PATTERN
|
| 452 |
|
|
0414 ENDIF DATOPT
|
| 453 |
|
|
0414 ENDIF DATOPT
|
| 454 |
|
|
0415 *
|
| 455 |
|
|
0003 END
|
| 456 |
|
|
0000 INCLUDE "sys09bug.txt"
|
| 457 |
|
|
0001 * NAM SYS09BUG12 SYSTEM09 MONITOR
|
| 458 |
|
|
0002 OPT l
|
| 459 |
|
|
|
| 460 |
|
|
|
| 461 |
|
|
sys09bug.txt page 2
|
| 462 |
|
|
0004 *
|
| 463 |
|
|
0005 * MONITOR PROGRAM FOR THE SOUTHWEST TECHNICAL
|
| 464 |
|
|
0006 * PRODUCTS MP-09 CPU BOARD AS COMMENTED BY....
|
| 465 |
|
|
0007 *
|
| 466 |
|
|
0008 * ALLEN CLARK WALLACE WATSON
|
| 467 |
|
|
0009 * 2502 REGAL OAKS LANE 4815 EAST 97th AVE.
|
| 468 |
|
|
0010 * LUTZ, FLA. 33549 TEMPLE TERRACE, FLA. 33617
|
| 469 |
|
|
0011 * PH. 813-977-0347 PH. 813-985-1359
|
| 470 |
|
|
0012 *
|
| 471 |
|
|
0013 * MODIFIED TO SBUG09 VER 1.8 BY: RANDY JARRETT
|
| 472 |
|
|
0014 * 2561 NANTUCKET DR APT. E
|
| 473 |
|
|
0015 * ATLANTA, GA 30345
|
| 474 |
|
|
0016 * PH. 404-320-1043
|
| 475 |
|
|
0017 *
|
| 476 |
|
|
0018 * MODIFIED TO SYS09BUG VER 1.0
|
| 477 |
|
|
0019 * FOR: SYSTEM09 FPGA SYSTEM
|
| 478 |
|
|
0020 * BY: JOHN KENT
|
| 479 |
|
|
0021 * DATE: 21ST NOVEMBER 2006
|
| 480 |
|
|
0022 * REMOVED: DISK BOOTS
|
| 481 |
|
|
0023 * MEMORY TEST
|
| 482 |
|
|
0024 * ADDED: ADM3A VDU DRIVER
|
| 483 |
|
|
0025 *
|
| 484 |
|
|
0026 * MODIFIED TO SYS09BUG VER 1.1
|
| 485 |
|
|
0027 * FOR: SYSTEM09 FPGA SYSTEM
|
| 486 |
|
|
0028 * BY: JOHN KENT
|
| 487 |
|
|
0029 * DATE: 7TH JANUARY 2007
|
| 488 |
|
|
0030 * ADDED: 'U' USER EXTENTION COMMANDS AT $F000
|
| 489 |
|
|
0031 * CONDITIONAL ASSEMBLY OF FLOPPY BOOTS
|
| 490 |
|
|
0032 * AND REALTIME CLOCK
|
| 491 |
|
|
0033 *
|
| 492 |
|
|
0034 * MODIFIED TO SYS09BUG VER 1.2
|
| 493 |
|
|
0035 * FOR: SYSTEM09 FPGA SYSTEM
|
| 494 |
|
|
0036 * BY: JOHN KENT
|
| 495 |
|
|
0037 * DATE: 21ST MAY 2007
|
| 496 |
|
|
0038 * ADDED: COMPACT FLASH BOOT TO FPGA VERSION
|
| 497 |
|
|
0039 * REMOVED PORT REDIRECTION ON PUNCH & LOAD
|
| 498 |
|
|
0040 *
|
| 499 |
|
|
0041 * Modified to SYS09BUG VER 1.3
|
| 500 |
|
|
0042 * FOR: SYSTEM09 FPGA SYSTEM
|
| 501 |
|
|
0043 * BY: JOHN KENT
|
| 502 |
|
|
0044 * DATE: 8TH JAN 2008
|
| 503 |
|
|
0045 * ADDED: CONDITIONALS FOR SPARTAN3E STARTER BOARD
|
| 504 |
|
|
0046 * WITH ONLY 32K OF RAM
|
| 505 |
|
|
0047 *
|
| 506 |
|
|
0048 * Modified to SYS09BUG VER 1.4
|
| 507 |
|
|
0049 * FOR: SYSTEM09 FPGA SYSTEM
|
| 508 |
|
|
0050 * BY: JOHN KENT
|
| 509 |
|
|
0051 * DATE: 3RD FEB 2008
|
| 510 |
|
|
0052 * ADDED: CONDITIONALS FOR XESS BOARD WITH IDE
|
| 511 |
|
|
0053 * SEPERATE CONDITIONAL FOR S3 STARTER AND B5-X300
|
| 512 |
|
|
0054 * 16 BIT IDE DISK BOOT STRAP ROUTINE
|
| 513 |
|
|
0055 * CHANGED: SEPARARTED OPTIONS EQUATES AND BODY INTO SEPARATE FILES
|
| 514 |
|
|
0056 *
|
| 515 |
|
|
0057 * *** COMMANDS ***
|
| 516 |
|
|
0058 *
|
| 517 |
|
|
0059 * CONTROL A = ALTER THE "A" ACCUMULATOR
|
| 518 |
|
|
0060 * CONTROL B = ALTER THE "B" ACCUMULATOR
|
| 519 |
|
|
0061 * CONTROL C = ALTER THE CONDITION CODE REGISTER
|
| 520 |
|
|
0062 * CONTROL D = ALTER THE DIRECT PAGE REGISTER
|
| 521 |
|
|
0063 * CONTROL P = ALTER THE PROGRAM COUNTER
|
| 522 |
|
|
0064 * CONTROL U = ALTER USER STACK POINTER
|
| 523 |
|
|
0065 * CONTROL X = ALTER "X" INDEX REGISTER
|
| 524 |
|
|
0066 * CONTROL Y = ALTER "Y" INDEX REGISTER
|
| 525 |
|
|
0067 * B hhhh = SET BREAKPOINT AT LOCATION $hhhh
|
| 526 |
|
|
0068 * D = 5.25" MINIFLOPPY BOOT
|
| 527 |
|
|
0069 * E ssss-eeee = EXAMINE MEMORY
|
| 528 |
|
|
0070 * FROM STARTING ADDRESS ssss
|
| 529 |
|
|
0071 * TO ENDING ADDRESS eeee.
|
| 530 |
|
|
0072 * G = CONTINUE EXECUTION FROM BREAKPOINT OR SWI
|
| 531 |
|
|
0073 * L = LOAD TAPE
|
| 532 |
|
|
0074 * M hhhh = EXAMINE AND CHANGE MEMORY LOCATION hhhh
|
| 533 |
|
|
0075 * P ssss-eeee = PUNCH TAPE, START ssss TO END eeee ADDR.
|
| 534 |
|
|
0076 * R = DISPLAY REGISTER CONTENTS
|
| 535 |
|
|
0077 * S = DISPLAY STACK FROM ssss TO $DFC0
|
| 536 |
|
|
0078 * U = 8" DMAF2 FLOPPY BOOT
|
| 537 |
|
|
0079 * U = USER EXTENSION COMMANDS AT $F000
|
| 538 |
|
|
0080 * X = REMOVE ALL BREAKPOINTS
|
| 539 |
|
|
0081 *
|
| 540 |
|
|
0082 *
|
| 541 |
|
|
0083 ***************************************************
|
| 542 |
|
|
0084 * SYS09BUG VARIABLE SPACE
|
| 543 |
|
|
0085 ***************************************************
|
| 544 |
|
|
0086 *
|
| 545 |
|
|
0087 DFC0 ORG MONRAM
|
| 546 |
|
|
0088 DFC0 STACK EQU * TOP OF INTERNAL STACK
|
| 547 |
|
|
0089 DFC0 NMI RMB 2 USER NMI VECTOR
|
| 548 |
|
|
0090 DFC2 SWI3 RMB 2 SOFTWARE INTERRUPT VECTOR #3
|
| 549 |
|
|
0091 DFC4 SWI2 RMB 2 SOFTWARE INTERRUPT VECTOR #2
|
| 550 |
|
|
0092 DFC6 FIRQ RMB 2 FAST INTERRUPT VECTOR
|
| 551 |
|
|
0093 DFC8 IRQ RMB 2 INTERRUPT VECTOR
|
| 552 |
|
|
0094 DFCA SWI RMB 2 SOFTWARE INTERRUPT VECTOR
|
| 553 |
|
|
0095 DFCC SVCVO RMB 2 SUPERVISOR CALL VECTOR ORGIN
|
| 554 |
|
|
0096 DFCE SVCVL RMB 2 SUPERVISOR CALL VECTOR LIMIT
|
| 555 |
|
|
0097 IFD DATOPT
|
| 556 |
|
|
0098 LRARAM RMB 16 LRA ADDRESSES
|
| 557 |
|
|
0099 ENDIF DATOPT
|
| 558 |
|
|
0099 ENDIF DATOPT
|
| 559 |
|
|
0100 DFD0 CPORT RMB 2 RE-VECTORABLE CONTROL PORT
|
| 560 |
|
|
0101 DFD2 ECHO RMB 1 ECHO FLAG
|
| 561 |
|
|
0102 DFD3 BPTBL RMB 24 BREAKPOINT TABLE BASE ADDR
|
| 562 |
|
|
0103 IFD TRAOPT
|
| 563 |
|
|
0104 NMISAV RMB 2 NMI Jump Vector Backup
|
| 564 |
|
|
0105 TRACNT RMB 2 Trace Count
|
| 565 |
|
|
0106 ENDIF TRAOPT
|
| 566 |
|
|
0106 ENDIF TRAOPT
|
| 567 |
|
|
0107 IFD VDUOPT
|
| 568 |
|
|
0108 *
|
| 569 |
|
|
0109 **************************************************
|
| 570 |
|
|
0110 * VDU8 DISPLAY DRIVER VARIABLES *
|
| 571 |
|
|
0111 **************************************************
|
| 572 |
|
|
0112 *
|
| 573 |
|
|
0113 **** ALWAYS KEEP COLADX AND ROWADX TOGETHER ******
|
| 574 |
|
|
0114 COLADX RMB 1 CURSOR COLUMN
|
| 575 |
|
|
0115 ROWADX RMB 1 CURSOR ROW
|
| 576 |
|
|
0116 **************************************************
|
| 577 |
|
|
0117 *
|
| 578 |
|
|
0118 NEWROW RMB 1 NEW ROW TEMP FOR ESCAPE
|
| 579 |
|
|
0119 ESCFLG RMB 1 ESCAPE SEQUENCE ACTIVE
|
| 580 |
|
|
0120 ENDIF VDUOPT
|
| 581 |
|
|
0120 ENDIF VDUOPT
|
| 582 |
|
|
0121 IFD DG640OPT
|
| 583 |
|
|
0122 *
|
| 584 |
|
|
0123 ***************************************************
|
| 585 |
|
|
0124 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
|
| 586 |
|
|
0125 ***************************************************
|
| 587 |
|
|
0126 *
|
| 588 |
|
|
0127 ***** ALWAYS KEEP THESE TWO BYTES TOGETHER *****
|
| 589 |
|
|
0128 DFEB COLADX RMB 1 CURSOR COLUMN
|
| 590 |
|
|
0129 DFEC ROWADX RMB 1 CURSOR ROW
|
| 591 |
|
|
0130 *************************************************
|
| 592 |
|
|
0131 DFED CURSOR RMB 2 ABSOLUTE SCREEN ADDRESS
|
| 593 |
|
|
0132 DFEF NEWROW RMB 1 NEW ROW TEMP FOR ESCAPE
|
| 594 |
|
|
0133 DFF0 ESCFLG RMB 1 ESCAPE SEQUENCE ACTIVE
|
| 595 |
|
|
0134 ENDIF DG640OPT
|
| 596 |
|
|
0135 *
|
| 597 |
|
|
0136 *
|
| 598 |
|
|
0137 ***************************************************
|
| 599 |
|
|
0138 * START OF ROM *
|
| 600 |
|
|
0139 ***************************************************
|
| 601 |
|
|
0140 *
|
| 602 |
|
|
0141 F800 ORG MONROM
|
| 603 |
|
|
0142 F800 F8 22 FDB MONITOR
|
| 604 |
|
|
0143 F802 F8 56 FDB NEXTCMD
|
| 605 |
|
|
0144 F804 FC 66 FDB INCH
|
| 606 |
|
|
0145 F806 FC 60 FDB INCHE
|
| 607 |
|
|
0146 F808 FC 75 FDB INCHEK
|
| 608 |
|
|
0147 F80A FC 83 FDB OUTCH
|
| 609 |
|
|
0148 F80C FB 58 FDB PDATA
|
| 610 |
|
|
0149 F80E FA E7 FDB PCRLF
|
| 611 |
|
|
0150 F810 FA E3 FDB PSTRNG
|
| 612 |
|
|
0151 F812 FF 06 FDB LRA
|
| 613 |
|
|
0152 *
|
| 614 |
|
|
0153 IFD ADSOPT
|
| 615 |
|
|
0154 F814 FE 47 FDB PCHK CHECK FOR PRINTER INPUT
|
| 616 |
|
|
0155 F816 FE 09 FDB PINIZ INITIATE PRINTER
|
| 617 |
|
|
0156 F818 FE 33 FDB POUTCH OUTPUT CH. TO PRINTER
|
| 618 |
|
|
0157 F81A FC AB FDB VINIZ
|
| 619 |
|
|
0158 F81C FC C0 FDB VOUTCH
|
| 620 |
|
|
0159 F81E FC 98 FDB ACINIZ
|
| 621 |
|
|
0160 F820 FC 85 FDB AOUTCH
|
| 622 |
|
|
0161 ENDIF ADSOPT
|
| 623 |
|
|
0162 *
|
| 624 |
|
|
0163 * MONITOR
|
| 625 |
|
|
0164 *
|
| 626 |
|
|
0165 * VECTOR ADDRESS STRING IS.....
|
| 627 |
|
|
0166 * $F8A1-$F8A1-$F8A1-$F8A1-$F8A1-$FAB0-$FFFF-$FFFF
|
| 628 |
|
|
0167 *
|
| 629 |
|
|
0168 F822 8E FE 81 MONITOR LDX #RAMVEC POINT TO VECTOR ADDR. STRING
|
| 630 |
|
|
0169 F825 10 8E DF C0 LDY #STACK POINT TO RAM VECTOR LOCATION
|
| 631 |
|
|
0170 F829 C6 10 LDB #$10 BYTES TO MOVE = 16
|
| 632 |
|
|
0171 F82B A6 80 LOOPA LDA ,X+ GET VECTOR BYTE
|
| 633 |
|
|
0172 F82D A7 A0 STA ,Y+ PUT VECTORS IN RAM / $DFC0-$DFCF
|
| 634 |
|
|
0173 F82F 5A DECB SUBTRACT 1 FROM NUMBER OF BYTES TO MOVE
|
| 635 |
|
|
0174 F830 26 F9 BNE LOOPA CONTINUE UNTIL ALL VECTORS MOVED
|
| 636 |
|
|
0175 *
|
| 637 |
|
|
0176 * CONTENTS FROM TO FUNCTION
|
| 638 |
|
|
0177 * $F8A1 $FE40 $DFC0 USER-V
|
| 639 |
|
|
0178 * $F8A1 $FE42 $DFC2 SWI3-V
|
| 640 |
|
|
0179 * $F8A1 $FE44 $DFC4 SWI2-V
|
| 641 |
|
|
0180 * $F8A1 $FE46 $DFC6 FIRQ-V
|
| 642 |
|
|
0181 * $F8A1 $FE48 $DFC8 IRQ-V
|
| 643 |
|
|
0182 * $FAB0 $FE4A $DFCA SWI-V
|
| 644 |
|
|
0183 * $FFFF $FE4C $DFCC SVC-VO
|
| 645 |
|
|
0184 * $FFFF $FE4E $DFCE SVC-VL
|
| 646 |
|
|
0185 *
|
| 647 |
|
|
0186 F832 8E E4 00 LDX #ACIAS
|
| 648 |
|
|
0187 F835 BF DF D0 STX CPORT STORE ADDR. IN RAM
|
| 649 |
|
|
0188 F838 17 01 42 LBSR XBKPNT CLEAR OUTSTANDING BREAKPOINTS
|
| 650 |
|
|
0189 F83B C6 0C LDB #12 CLEAR 12 BYTES ON STACK
|
| 651 |
|
|
0190 F83D 6F E2 CLRSTK CLR ,-S
|
| 652 |
|
|
0191 F83F 5A DECB
|
| 653 |
|
|
0192 F840 26 FB BNE CLRSTK
|
| 654 |
|
|
0193 F842 30 8C DD LEAX MONITOR,PCR SET PC TO SBUG-E ENTRY
|
| 655 |
|
|
0194 F845 AF 6A STX 10,S ON STACK
|
| 656 |
|
|
0195 F847 86 D0 LDA #$D0 PRESET CONDITION CODES ON STACK
|
| 657 |
|
|
0196 F849 A7 E4 STA ,S
|
| 658 |
|
|
0197 F84B 1F 43 TFR S,U
|
| 659 |
|
|
0198 F84D 17 04 46 LBSR IOINIZ INITIALIZE CONTROL PORT
|
| 660 |
|
|
0199 F850 8E FE 91 LDX #MSG1 POINT TO MONITOR MESSAGE
|
| 661 |
|
|
0200 F853 17 03 02 LBSR PDATA PRINT MSG
|
| 662 |
|
|
0201 *
|
| 663 |
|
|
0202 IFD DATOPT
|
| 664 |
|
|
0203 LDX #LRARAM POINT TO LRA RAM STORAGE AREA
|
| 665 |
|
|
0204 CLRA START TOTAL AT ZERO
|
| 666 |
|
|
0205 LDB #13 TOTAL UP ALL ACTIVE RAM MEMORY
|
| 667 |
|
|
0206 FNDREL TST B,X TEST FOR RAM AT NEXT LOC.
|
| 668 |
|
|
0207 BEQ RELPAS IF NO RAM GO TO NEXT LOC.
|
| 669 |
|
|
0208 ADDA #4 ELSE ADD 4K TO TOTAL
|
| 670 |
|
|
0209 DAA ADJ. TOTAL FOR DECIMAL
|
| 671 |
|
|
0210 RELPAS DECB SUB. 1 FROM LOCS. TO TEST
|
| 672 |
|
|
0211 BPL FNDREL PRINT TOTAL OF RAM
|
| 673 |
|
|
0212 LBSR OUT2H OUTPUT HEX BYTE AS ASCII
|
| 674 |
|
|
0213 LDX #MSG2 POINT TO MSG 'K' CR/LF + 3 NULS
|
| 675 |
|
|
0214 LBSR PDATA PRINT MSG
|
| 676 |
|
|
0215 ENDIF DATOPT
|
| 677 |
|
|
0215 ENDIF DATOPT
|
| 678 |
|
|
0216 *
|
| 679 |
|
|
0217 IFD TRAOPT
|
| 680 |
|
|
0218 LBSR TRAINZ
|
| 681 |
|
|
0219 ENDIF TRAOPT
|
| 682 |
|
|
0219 ENDIF TRAOPT
|
| 683 |
|
|
0220 *
|
| 684 |
|
|
0221 ***** NEXTCMD *****
|
| 685 |
|
|
0222 *
|
| 686 |
|
|
0223 F856 8E FE BA NEXTCMD LDX #MSG3 POINT TO MSG ">"
|
| 687 |
|
|
0224 F859 17 02 87 LBSR PSTRNG PRINT MSG
|
| 688 |
|
|
0225 F85C 17 04 07 LBSR INCH GET ONE CHAR. FROM TERMINAL
|
| 689 |
|
|
0226 F85F 84 7F ANDA #$7F STRIP PARITY FROM CHAR.
|
| 690 |
|
|
0227 F861 81 0D CMPA #$0D IS IT CARRIAGE RETURN ?
|
| 691 |
|
|
0228 F863 27 F1 BEQ NEXTCMD IF CR THEN GET ANOTHER CHAR.
|
| 692 |
|
|
0229 F865 1F 89 TFR A,B PUT CHAR. IN "B" ACCUM.
|
| 693 |
|
|
0230 F867 81 20 CMPA #$20 IS IT CONTROL OR DATA CHAR ?
|
| 694 |
|
|
0231 F869 2C 09 BGE PRTCMD IF CMD CHAR IS DATA, PRNT IT
|
| 695 |
|
|
0232 F86B 86 5E LDA #'^ ELSE CNTRL CHAR CMD SO...
|
| 696 |
|
|
0233 F86D 17 04 13 LBSR OUTCH PRINT "^"
|
| 697 |
|
|
0234 F870 1F 98 TFR B,A RECALL CNTRL CMD CHAR
|
| 698 |
|
|
0235 F872 8B 40 ADDA #$40 CONVERT IT TO ASCII LETTER
|
| 699 |
|
|
0236 F874 17 04 0C PRTCMD LBSR OUTCH PRNT CMD CHAR
|
| 700 |
|
|
0237 F877 17 04 07 LBSR OUT1S PRNT SPACE
|
| 701 |
|
|
0238 F87A C1 60 CMPB #$60
|
| 702 |
|
|
0239 F87C 2F 02 BLE NXTCH0
|
| 703 |
|
|
0240 F87E C0 20 SUBB #$20
|
| 704 |
|
|
0241 *
|
| 705 |
|
|
0242 ***** DO TABLE LOOKUP *****
|
| 706 |
|
|
0243 * FOR COMMAND FUNCTIONS
|
| 707 |
|
|
0244 *
|
| 708 |
|
|
0245 F880 8E FE 4B NXTCH0 LDX #JMPTAB POINT TO JUMP TABLE
|
| 709 |
|
|
0246 F883 E1 80 NXTCHR CMPB ,X+ DOES COMMAND MATCH TABLE ENTRY ?
|
| 710 |
|
|
0247 F885 27 0F BEQ JMPCMD BRANCH IF MATCH FOUND
|
| 711 |
|
|
0248 F887 30 02 LEAX 2,X POINT TO NEXT ENTRY IN TABLE
|
| 712 |
|
|
0249 F889 8C FE 81 CMPX #TABEND REACHED END OF TABLE YET ?
|
| 713 |
|
|
0250 F88C 26 F5 BNE NXTCHR IF NOT END, CHECK NEXT ENTRY
|
| 714 |
|
|
0251 F88E 8E FE BC LDX #MSG4 POINT TO MSG "WHAT?"
|
| 715 |
|
|
0252 F891 17 02 C4 LBSR PDATA PRINT MSG
|
| 716 |
|
|
0253 F894 20 C0 BRA NEXTCMD IF NO MATCH, PRMPT FOR NEW CMD
|
| 717 |
|
|
0254 F896 AD 94 JMPCMD JSR [,X] JUMP TO COMMAND ROUTINE
|
| 718 |
|
|
0255 F898 20 BC BRA NEXTCMD PROMPT FOR NEW COMMAND
|
| 719 |
|
|
0256 *
|
| 720 |
|
|
0257 * "G" GO OR CONTINUE
|
| 721 |
|
|
0258 *
|
| 722 |
|
|
0259 F89A 1F 34 GO TFR U,S
|
| 723 |
|
|
0260 F89C 3B RTI RTI
|
| 724 |
|
|
0261 *
|
| 725 |
|
|
0262 ***** "M" MEMORY EXAMINE AND CHANGE *****
|
| 726 |
|
|
0263 *
|
| 727 |
|
|
0264 F89D 17 03 3F MEMCHG LBSR IN1ADR INPUT ADDRESS
|
| 728 |
|
|
0265 F8A0 29 2D BVS CHRTN IF NOT HEX, RETURN
|
| 729 |
|
|
0266 F8A2 1F 12 TFR X,Y SAVE ADDR IN "Y"
|
| 730 |
|
|
0267 F8A4 8E FE C2 MEMC2 LDX #MSG5 POINT TO MSG " - "
|
| 731 |
|
|
0268 F8A7 17 02 39 LBSR PSTRNG PRINT MSG
|
| 732 |
|
|
0269 F8AA 1F 21 TFR Y,X FETCH ADDRESS
|
| 733 |
|
|
0270 F8AC 17 03 79 LBSR OUT4H PRINT ADDR IN HEX
|
| 734 |
|
|
0271 F8AF 17 03 CF LBSR OUT1S OUTPUT SPACE
|
| 735 |
|
|
0272 F8B2 A6 A4 LDA ,Y GET CONTENTS OF CURRENT ADDR.
|
| 736 |
|
|
0273 F8B4 17 03 79 LBSR OUT2H OUTPUT CONTENTS IN ASCII
|
| 737 |
|
|
0274 F8B7 17 03 C7 LBSR OUT1S OUTPUT SPACE
|
| 738 |
|
|
0275 F8BA 17 03 32 LBSR BYTE LOOP WAITING FOR OPERATOR INPUT
|
| 739 |
|
|
0276 F8BD 28 11 BVC CHANGE IF VALID HEX GO CHANGE MEM. LOC.
|
| 740 |
|
|
0277 F8BF 81 08 CMPA #8 IS IT A BACKSPACE (CNTRL H)?
|
| 741 |
|
|
0278 F8C1 27 E1 BEQ MEMC2 PROMPT OPERATOR AGAIN
|
| 742 |
|
|
0279 F8C3 81 18 CMPA #$18 IS IT A CANCEL (CNTRL X)?
|
| 743 |
|
|
0280 F8C5 27 DD BEQ MEMC2 PROMPT OPERATOR AGAIN
|
| 744 |
|
|
0281 F8C7 81 5E CMPA #'^ IS IT AN UP ARROW?
|
| 745 |
|
|
0282 F8C9 27 17 BEQ BACK DISPLAY PREVIOUS BYTE
|
| 746 |
|
|
0283 F8CB 81 0D CMPA #$D IS IT A CR?
|
| 747 |
|
|
0284 F8CD 26 0F BNE FORWRD DISPLAY NEXT BYTE
|
| 748 |
|
|
0285 F8CF 39 CHRTN RTS EXIT ROUTINE
|
| 749 |
|
|
0286 *
|
| 750 |
|
|
0287 *
|
| 751 |
|
|
0288 F8D0 A7 A4 CHANGE STA ,Y CHANGE BYTE IN MEMORY
|
| 752 |
|
|
0289 F8D2 A1 A4 CMPA ,Y DID MEMORY BYTE CHANGE?
|
| 753 |
|
|
0290 F8D4 27 08 BEQ FORWRD $F972
|
| 754 |
|
|
0291 F8D6 17 03 A8 LBSR OUT1S OUTPUT SPACE
|
| 755 |
|
|
0292 F8D9 86 3F LDA #'? LOAD QUESTION MARK
|
| 756 |
|
|
0293 F8DB 17 03 A5 LBSR OUTCH PRINT IT
|
| 757 |
|
|
0294 F8DE 31 21 FORWRD LEAY 1,Y POINT TO NEXT HIGHER MEM LOCATION
|
| 758 |
|
|
0295 F8E0 20 C2 BRA MEMC2 PRINT LOCATION & CONTENTS
|
| 759 |
|
|
0296 F8E2 31 3F BACK LEAY -1,Y POINT TO LAST MEM LOCATION
|
| 760 |
|
|
0297 F8E4 20 BE BRA MEMC2 PRINT LOCATION & CONTENTS
|
| 761 |
|
|
0298 *
|
| 762 |
|
|
0299 * "S" DISPLAY STACK
|
| 763 |
|
|
0300 * HEX-ASCII DISPLAY OF CURRENT STACK CONTENTS FROM
|
| 764 |
|
|
0301 ** CURRENT STACK POINTER TO INTERNAL STACK LIMIT.
|
| 765 |
|
|
0302 *
|
| 766 |
|
|
0303 F8E6 17 02 76 DISSTK LBSR PRTSP PRINT CURRENT STACK POINTER
|
| 767 |
|
|
0304 F8E9 1F 32 TFR U,Y
|
| 768 |
|
|
0305 F8EB 8E DF C0 LDX #STACK LOAD INTERNAL STACK AS UPPER LIMIT
|
| 769 |
|
|
0306 F8EE 30 1F LEAX -1,X POINT TO CURRENT STACK
|
| 770 |
|
|
0307 F8F0 20 05 BRA MDUMP1 ENTER MEMORY DUMP OF STACK CONTENTS
|
| 771 |
|
|
0308 *
|
| 772 |
|
|
0309 * "E" DUMP MEMORY FOR EXAMINE IN HEX AND ASCII
|
| 773 |
|
|
0310 * AFTER CALLING 'IN2ADR' LOWER ADDRESS IN Y-REG.
|
| 774 |
|
|
0311 * UPPER ADDRESS IN X-REG.
|
| 775 |
|
|
0312 * IF HEX ADDRESSES ARE INVALID (V)=1.
|
| 776 |
|
|
0313 *
|
| 777 |
|
|
0314 F8F2 17 02 DF MEMDUMP LBSR IN2ADR INPUT ADDRESS BOUNDRIES
|
| 778 |
|
|
0315 F8F5 29 06 BVS EDPRTN NEW COMMAND IF ILLEGAL HEX
|
| 779 |
|
|
0316 F8F7 34 20 MDUMP1 PSHS Y COMPARE LOWER TO UPPER BOUNDS
|
| 780 |
|
|
0317 F8F9 AC E1 CMPX ,S++ LOWER BOUNDS > UPPER BOUNDS?
|
| 781 |
|
|
0318 F8FB 24 01 BCC AJDUMP IF NOT, DUMP HEX AND ASCII
|
| 782 |
|
|
0319 F8FD 39 EDPRTN RTS ;
|
| 783 |
|
|
0320 *
|
| 784 |
|
|
0321 * ADJUST LOWER AND UPPER ADDRESS LIMITS
|
| 785 |
|
|
0322 * TO EVEN 16 BYTE BOUNDRIES.
|
| 786 |
|
|
0323 *
|
| 787 |
|
|
0324 * IF LOWER ADDR = $4532
|
| 788 |
|
|
0325 * LOWER BOUNDS WILL BE ADJUSTED TO = $4530.
|
| 789 |
|
|
0326 *
|
| 790 |
|
|
0327 * IF UPPER ADDR = $4567
|
| 791 |
|
|
0328 * UPPER BOUNDS WILL BE ADJUSTED TO = $4570.
|
| 792 |
|
|
0329 *
|
| 793 |
|
|
0330 * ENTER WITH LOWER ADDRESS IN X-REG.
|
| 794 |
|
|
0331 * -UPPER ADDRESS ON TOP OF STACK.
|
| 795 |
|
|
0332 *
|
| 796 |
|
|
0333 F8FE 1F 10 AJDUMP TFR X,D GET UPPER ADDR IN D-REG
|
| 797 |
|
|
0334 F900 C3 00 10 ADDD #$10 ADD 16 TO UPPER ADDRESS
|
| 798 |
|
|
0335 F903 C4 F0 ANDB #$F0 MASK TO EVEN 16 BYTE BOUNDRY
|
| 799 |
|
|
0336 F905 34 06 PSHS A,B SAVE ON STACK AS UPPER DUMP LIMIT
|
| 800 |
|
|
0337 F907 1F 20 TFR Y,D $F9A5 GET LOWER ADDRESS IN D-REG
|
| 801 |
|
|
0338 F909 C4 F0 ANDB #$F0 MASK TO EVEN 16 BYTE BOUNDRY
|
| 802 |
|
|
0339 F90B 1F 01 TFR D,X PUT IN X-REG AS LOWER DUMP LIMIT
|
| 803 |
|
|
0340 F90D AC E4 NXTLIN CMPX ,S COMPARE LOWER TO UPPER LIMIT
|
| 804 |
|
|
0341 F90F 27 05 BEQ SKPDMP IF EQUAL SKIP HEX-ASCII DUMP
|
| 805 |
|
|
0342 F911 17 03 61 LBSR INCHEK CHECK FOR INPUT FROM KEYBOARD
|
| 806 |
|
|
0343 F914 27 03 BEQ EDUMP
|
| 807 |
|
|
0344 F916 32 62 SKPDMP LEAS 2,S READJUST STACK IF NOT DUMPING
|
| 808 |
|
|
0345 F918 39 RTS ;
|
| 809 |
|
|
0346 *
|
| 810 |
|
|
0347 * PRINT 16 HEX BYTES FOLLOWED BY 16 ASCII CHARACTERS
|
| 811 |
|
|
0348 * FOR EACH LINE THROUGHOUT ADDRESS LIMITS.
|
| 812 |
|
|
0349 *
|
| 813 |
|
|
0350 F919 34 10 EDUMP PSHS X PUSH LOWER ADDR LIMIT ON STACK
|
| 814 |
|
|
0351 F91B 8E FE C2 LDX #MSG5 POINT TO MSG " - "
|
| 815 |
|
|
0352 F91E 17 01 C2 LBSR PSTRNG PRINT MSG
|
| 816 |
|
|
0353 F921 AE E4 LDX ,S LOAD LOWER ADDR FROM TOP OF STACK
|
| 817 |
|
|
0354 F923 17 03 02 LBSR OUT4H PRINT THE ADDRESS
|
| 818 |
|
|
0355 F926 17 03 56 LBSR OUT2S 2 SPACES
|
| 819 |
|
|
0356 F929 C6 10 LDB #$10 LOAD COUNT OF 16 BYTES TO DUMP
|
| 820 |
|
|
0357 F92B A6 80 ELOOP LDA ,X+ GET FROM MEMORY HEX BYTE TO PRINT
|
| 821 |
|
|
0358 F92D 17 03 00 LBSR OUT2H OUTPUT HEX BYTE AS ASCII
|
| 822 |
|
|
0359 F930 17 03 4E LBSR OUT1S OUTPUT SPACE
|
| 823 |
|
|
0360 F933 5A DECB $F9D1 DECREMENT BYTE COUNT
|
| 824 |
|
|
0361 F934 26 F5 BNE ELOOP CONTINUE TIL 16 HEX BYTES PRINTED
|
| 825 |
|
|
0362 *
|
| 826 |
|
|
0363 * PRINT 16 ASCII CHARACTERS
|
| 827 |
|
|
0364 * IF NOT PRINTABLE OR NOT VALID
|
| 828 |
|
|
0365 * ASCII PRINT A PERIOD (.)
|
| 829 |
|
|
0366 F936 17 03 46 LBSR OUT2S 2 SPACES
|
| 830 |
|
|
0367 F939 AE E1 LDX ,S++ GET LOW LIMIT FRM STACK - ADJ STACK
|
| 831 |
|
|
0368 F93B C6 10 LDB #$10 SET ASCII CHAR TO PRINT = 16
|
| 832 |
|
|
0369 F93D A6 80 EDPASC LDA ,X+ GET CHARACTER FROM MEMORY
|
| 833 |
|
|
0370 F93F 81 20 CMPA #$20 IF LESS THAN $20, NON-PRINTABLE?
|
| 834 |
|
|
0371 F941 25 04 BCS PERIOD IF SO, PRINT PERIOD INSTEAD
|
| 835 |
|
|
0372 F943 81 7E CMPA #$7E IS IT VALID ASCII?
|
| 836 |
|
|
0373 F945 23 02 BLS PRASC IF SO PRINT IT
|
| 837 |
|
|
0374 F947 86 2E PERIOD LDA #'. LOAD A PERIOD (.)
|
| 838 |
|
|
0375 F949 17 03 37 PRASC LBSR OUTCH PRINT ASCII CHARACTER
|
| 839 |
|
|
0376 F94C 5A DECB DECREMENT COUNT
|
| 840 |
|
|
0377 F94D 26 EE BNE EDPASC
|
| 841 |
|
|
0378 F94F 20 BC BRA NXTLIN
|
| 842 |
|
|
0379 *
|
| 843 |
|
|
0380 ***** "B" SET BREAKPOINT *****
|
| 844 |
|
|
0381 *
|
| 845 |
|
|
0382 F951 17 02 8B BRKPNT LBSR IN1ADR GET BREAKPOINT ADDRESS
|
| 846 |
|
|
0383 F954 29 1E BVS EXITBP EXIT IF INVALID HEX ADDR.
|
| 847 |
|
|
0384 F956 8C DF C0 CMPX #STACK ADDRESS ILLEGAL IF >=$DFC0
|
| 848 |
|
|
0385 F959 24 1A BCC BPERR IF ERROR PRINT (?), EXIT
|
| 849 |
|
|
0386 F95B 34 10 PSHS X $FA82 PUSH BP ADDRESS ON STACK
|
| 850 |
|
|
0387 F95D 8E FF FF LDX #$FFFF LOAD DUMMY ADDR TO TEST BP TABLE
|
| 851 |
|
|
0388 F960 8D 55 BSR BPTEST TEST BP TABLE FOR FREE SPACE
|
| 852 |
|
|
0389 F962 35 10 PULS X POP BP ADDRESS FROM STACK
|
| 853 |
|
|
0390 F964 27 0F BEQ BPERR (Z) SET, OUT OF BP TABLE SPACE
|
| 854 |
|
|
0391 F966 A6 84 LDA ,X GET DATA AT BREAKPOINT ADDRESS
|
| 855 |
|
|
0392 F968 81 3F CMPA #$3F IS IT A SWI?
|
| 856 |
|
|
0393 F96A 27 09 BEQ BPERR IF SWI ALREADY, INDICATE ERROR
|
| 857 |
|
|
0394 F96C A7 A0 STA ,Y+ SAVE DATA BYTE IN BP TABLE
|
| 858 |
|
|
0395 F96E AF A4 STX ,Y SAVE BP ADDRESS IN BP TABLE
|
| 859 |
|
|
0396 F970 86 3F LDA #$3F LOAD A SWI ($3F)
|
| 860 |
|
|
0397 F972 A7 84 STA ,X SAVE SWI AT BREAKPOINT ADDRESS
|
| 861 |
|
|
0398 F974 39 EXITBP RTS ;
|
| 862 |
|
|
0399 *
|
| 863 |
|
|
0400 * INDICATE ERROR SETTING BREAKPOINT
|
| 864 |
|
|
0401 *
|
| 865 |
|
|
0402 F975 17 03 09 BPERR LBSR OUT1S OUTPUT SPACE
|
| 866 |
|
|
0403 F978 86 3F LDA #'? LOAD (?), INDICATE BREAKPOINT ERROR
|
| 867 |
|
|
0404 F97A 16 03 06 LBRA OUTCH PRINT "?"
|
| 868 |
|
|
0405 *
|
| 869 |
|
|
0406 *** "X" CLEAR OUTSTANDING BREAKPOINTS ***
|
| 870 |
|
|
0407 *
|
| 871 |
|
|
0408 F97D 10 8E DF D3 XBKPNT LDY #BPTBL POINT TO BREAKPOINT TABLE
|
| 872 |
|
|
0409 F981 C6 08 LDB #8 LOAD BREAKPOINT COUNTER
|
| 873 |
|
|
0410 F983 8D 18 XBPLP BSR RPLSWI REMOVE USED ENTRY IN BP TABLE
|
| 874 |
|
|
0411 F985 5A DECB $FAAC DECREMENT BP COUNTER
|
| 875 |
|
|
0412 F986 26 FB BNE XBPLP END OF BREAKPOINT TABLE?
|
| 876 |
|
|
0413 F988 39 RTS
|
| 877 |
|
|
0414 *
|
| 878 |
|
|
0415 ***** SWI ENTRY POINT *****
|
| 879 |
|
|
0416 *
|
| 880 |
|
|
0417 F989 1F 43 SWIE TFR S,U TRANSFER STACK TO USER POINTER
|
| 881 |
|
|
0418 F98B AE 4A LDX 10,U LOAD PC FROM STACK INTO X-REG
|
| 882 |
|
|
0419 F98D 30 1F LEAX -1,X ADJUST ADDR DOWN 1 BYTE.
|
| 883 |
|
|
0420 F98F 8D 26 BSR BPTEST FIND BREAKPOINT IN BP TABLE
|
| 884 |
|
|
0421 F991 27 04 BEQ REGPR IF FOUND, REPLACE DATA AT BP ADDR
|
| 885 |
|
|
0422 F993 AF 4A STX 10,U SAVE BREAKPOINT ADDR IN STACK
|
| 886 |
|
|
0423 F995 8D 06 BSR RPLSWI GO REPLACE SWI WITH ORIGINAL DATA
|
| 887 |
|
|
0424 F997 17 02 1C REGPR LBSR REGSTR GO PRINT REGISTERS
|
| 888 |
|
|
0425 *
|
| 889 |
|
|
0426 IFD TRAOPT
|
| 890 |
|
|
0427 LDX #0
|
| 891 |
|
|
0428 STX TRACNT
|
| 892 |
|
|
0429 ENDIF TRAOPT
|
| 893 |
|
|
0429 ENDIF TRAOPT
|
| 894 |
|
|
0430 *
|
| 895 |
|
|
0431 F99A 16 FE B9 LBRA NEXTCMD GET NEXT COMMAND
|
| 896 |
|
|
0432 *
|
| 897 |
|
|
0433 F99D AE 21 RPLSWI LDX 1,Y LOAD BP ADDRESS FROM BP TABLE
|
| 898 |
|
|
0434 F99F 8C DF C0 CMPX #STACK COMPARE TO TOP AVAILABLE USER MEMORY
|
| 899 |
|
|
0435 F9A2 24 0A BCC FFSTBL GO RESET TABLE ENTRY TO $FF'S
|
| 900 |
|
|
0436 F9A4 A6 84 LDA ,X GET DATA FROM BP ADDRESS
|
| 901 |
|
|
0437 F9A6 81 3F CMPA #$3F IS IT SWI?
|
| 902 |
|
|
0438 F9A8 26 04 BNE FFSTBL IF NOT, RESET TABLE ENTRY TO $FF'S
|
| 903 |
|
|
0439 F9AA A6 A4 LDA ,Y GET ORIGINAL DATA FROM BP TABLE
|
| 904 |
|
|
0440 F9AC A7 84 STA ,X $FAD3 RESTORE DATA AT BP ADDRESS
|
| 905 |
|
|
0441 F9AE 86 FF FFSTBL LDA #$FF LOAD $FF IN A-ACC
|
| 906 |
|
|
0442 F9B0 A7 A0 STA ,Y+ RESET BREAKPOINT TABLE DATA TO $FF'S
|
| 907 |
|
|
0443 F9B2 A7 A0 STA ,Y+ RESET BREAKPOINT TABLE ADDR TO $FF'S
|
| 908 |
|
|
0444 F9B4 A7 A0 STA ,Y+
|
| 909 |
|
|
0445 F9B6 39 RTS
|
| 910 |
|
|
0446 *
|
| 911 |
|
|
0447 ** SEARCH BREAKPOINT TABLE FOR MATCH **
|
| 912 |
|
|
0448 *
|
| 913 |
|
|
0449 F9B7 10 8E DF D3 BPTEST LDY #BPTBL POINT TO BREAKPOINT TABLE
|
| 914 |
|
|
0450 F9BB C6 08 LDB #8 LOAD BREAKPOINT COUNTER
|
| 915 |
|
|
0451 F9BD A6 A0 FNDBP LDA ,Y+ LOAD DATA BYTE
|
| 916 |
|
|
0452 F9BF AC A1 CMPX ,Y++ COMPARE ADDRESS, IS IT SAME?
|
| 917 |
|
|
0453 F9C1 27 04 BEQ BPADJ IF SO, ADJUST POINTER FOR TABLE ENTRY
|
| 918 |
|
|
0454 F9C3 5A DECB IF NOT, DECREMENT BREAKPOINT COUNTER
|
| 919 |
|
|
0455 F9C4 26 F7 BNE FNDBP AND LOOK FOR NEXT POSSIBLE MATCH
|
| 920 |
|
|
0456 F9C6 39 RTS ;
|
| 921 |
|
|
0457 *
|
| 922 |
|
|
0458 *
|
| 923 |
|
|
0459 F9C7 31 3D BPADJ LEAY -3,Y MOVE POINTER TO BEGIN OF BP ENTRY
|
| 924 |
|
|
0460 F9C9 39 RTS
|
| 925 |
|
|
0461 *
|
| 926 |
|
|
0462 IFD TRAOPT
|
| 927 |
|
|
0463 *
|
| 928 |
|
|
0464 ** TRACE from address AAAA BB bytes
|
| 929 |
|
|
0465 *
|
| 930 |
|
|
0466 TRACE LBSR ALTPC1 SET UP NEW PC
|
| 931 |
|
|
0467 BVS TREXIT ADDRESS ERROR, EXIT
|
| 932 |
|
|
0468 LBSR OUT1S
|
| 933 |
|
|
0469 LBSR IN1ADR Fetch Byte Count
|
| 934 |
|
|
0470 BVS TREXIT Byte Count error, EXIT
|
| 935 |
|
|
0471 STX TRACNT
|
| 936 |
|
|
0472 *
|
| 937 |
|
|
0473 LDX NMI Save NMI Vector
|
| 938 |
|
|
0474 STX NMISAV
|
| 939 |
|
|
0475 LDX #NMIE Set up NMI for Tracing
|
| 940 |
|
|
0476 STX NMI
|
| 941 |
|
|
0477 LBSR TRAINZ Initialise Hardware
|
| 942 |
|
|
0478 BRA TRACEG Start Trace
|
| 943 |
|
|
0479 TREXIT RTS
|
| 944 |
|
|
0480 *
|
| 945 |
|
|
0481 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
| 946 |
|
|
0482 * CRA1 = 1 CA1 Rising edge IRQ
|
| 947 |
|
|
0483 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
| 948 |
|
|
0484 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
| 949 |
|
|
0485 * CRA4 = 1 ] CA2 = Set/Reset output
|
| 950 |
|
|
0486 * CRA5 = 1 ]
|
| 951 |
|
|
0487 * CRA6 = X CA2 Input Interrupt Flag
|
| 952 |
|
|
0488 * CRA7 = X CA1 Interrupt Flag
|
| 953 |
|
|
0489 *
|
| 954 |
|
|
0490 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
| 955 |
|
|
0491 * CRB1 = 1 CB1 Rising edge IRQ
|
| 956 |
|
|
0492 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
| 957 |
|
|
0493 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
| 958 |
|
|
0494 * CRB4 = 1 ] CB2 = Set/Reset output
|
| 959 |
|
|
0495 * CRB5 = 1 ]
|
| 960 |
|
|
0496 * CRB6 = X CB2 Input Interrupt Flag
|
| 961 |
|
|
0497 * CRB7 = X CB1 Interrupt Flag
|
| 962 |
|
|
0498 *
|
| 963 |
|
|
0499 *
|
| 964 |
|
|
0500 ** TRACE NMI ENTRY POINT
|
| 965 |
|
|
0501 *
|
| 966 |
|
|
0502 NMIE TFR S,U
|
| 967 |
|
|
0503 LDA #$36 Disable Interrupt, CA2 Low
|
| 968 |
|
|
0504 STA TACTRL
|
| 969 |
|
|
0505 LDA TADATA Clear Interrupt flag by reading data port
|
| 970 |
|
|
0506 *
|
| 971 |
|
|
0507 LBSR REGSTR DUMP REGISTERS
|
| 972 |
|
|
0508 *
|
| 973 |
|
|
0509 LDX 10,U TEST IF NEXT INSTRUCTION IS A SWI
|
| 974 |
|
|
0510 LDA ,X
|
| 975 |
|
|
0511 CMPA #$3F
|
| 976 |
|
|
0512 BEQ TRACEX EXIT ON SWI
|
| 977 |
|
|
0513 *
|
| 978 |
|
|
0514 LDX TRACNT CHECK IF TRACE COUNT EXPIRED
|
| 979 |
|
|
0515 BEQ TRACEX YES, GO BACK TO THE MONITOR
|
| 980 |
|
|
0516 LEAX -1,X DECREMENT TRACE COUNT
|
| 981 |
|
|
0517 STX TRACNT
|
| 982 |
|
|
0518 *
|
| 983 |
|
|
0519 ** TRACE GO (RESUME SINGLE STEP)
|
| 984 |
|
|
0520 *
|
| 985 |
|
|
0521 TRACEG TFR U,S SET UP PROGRAM STACK POINTER
|
| 986 |
|
|
0522 LDA #TRADEL SET UP TIMER DELAY (NUMB CYCLES FOR RTI+1)
|
| 987 |
|
|
0523 STA TADATA
|
| 988 |
|
|
0524 LDA #$36 LOAD STROBE LOW
|
| 989 |
|
|
0525 STA TACTRL
|
| 990 |
|
|
0526 LDA TADATA CLEAR INTERRUPT
|
| 991 |
|
|
0527 LDA #$36 RELEASE RESET
|
| 992 |
|
|
0528 STA TBCTRL
|
| 993 |
|
|
0529 LDA #$3F RELEASE LOAD, ENABLE CA1 NMI, CA1 RISING EDGE
|
| 994 |
|
|
0530 STA TACTRL
|
| 995 |
|
|
0531 RTI GO EXECUTE INSTRUCTION
|
| 996 |
|
|
0532 *
|
| 997 |
|
|
0533 TRACEX LDX NMISAV Restore NMI vector
|
| 998 |
|
|
0534 STX NMI
|
| 999 |
|
|
0535 LBRA NEXTCMD Jump back to the command loop.
|
| 1000 |
|
|
0536 *
|
| 1001 |
|
|
0537 ** TRACE HARDWARE INITIALISATION
|
| 1002 |
|
|
0538 *
|
| 1003 |
|
|
0539 TRAINZ LDA #$32 SELECT DDRA, CA2 LOW, NMI DISABLED
|
| 1004 |
|
|
0540 STA TACTRL
|
| 1005 |
|
|
0541 LDA #$3A SELECT DDRB, CB2 HIGH, FIRQ DISABLED
|
| 1006 |
|
|
0542 STA TBCTRL
|
| 1007 |
|
|
0543 LDA #$FF PORTA = OUTPUT
|
| 1008 |
|
|
0544 STA TADATA
|
| 1009 |
|
|
0545 LDA #$00 PORTB = INPUT
|
| 1010 |
|
|
0546 STA TBDATA
|
| 1011 |
|
|
0547 LDA #$36 SELECT OUTPUT REGISTER A, CA2 LOW
|
| 1012 |
|
|
0548 STA TACTRL
|
| 1013 |
|
|
0549 LDA #$3E SELECT OUTPUT REGISTER B, CB2 HIGH
|
| 1014 |
|
|
0550 STA TBCTRL
|
| 1015 |
|
|
0551 RTS
|
| 1016 |
|
|
0552 *
|
| 1017 |
|
|
0553 ENDIF TRAOPT
|
| 1018 |
|
|
0553 ENDIF TRAOPT
|
| 1019 |
|
|
0554 IFD MFDCOPT
|
| 1020 |
|
|
0555 *
|
| 1021 |
|
|
0556 ** "U" MINI DISK BOOT
|
| 1022 |
|
|
0557 *
|
| 1023 |
|
|
0558 F9CA 7D E0 18 MINBOOT TST CMDFDC
|
| 1024 |
|
|
0559 F9CD 7F E0 14 CLR DRVFDC
|
| 1025 |
|
|
0560 F9D0 8E 00 00 LDX #$0000
|
| 1026 |
|
|
0561 F9D3 30 01 LOOP LEAX $01,X
|
| 1027 |
|
|
0562 F9D5 8C 00 00 CMPX #$0000
|
| 1028 |
|
|
0563 F9D8 26 F9 BNE LOOP
|
| 1029 |
|
|
0564 F9DA 86 0F LDA #$0F
|
| 1030 |
|
|
0565 F9DC B7 E0 18 STA CMDFDC
|
| 1031 |
|
|
0566 F9DF 8D 37 BSR DELAY
|
| 1032 |
|
|
0567 F9E1 F6 E0 18 LOOP1 LDB CMDFDC
|
| 1033 |
|
|
0568 F9E4 C5 01 BITB #$01
|
| 1034 |
|
|
0569 F9E6 26 F9 BNE LOOP1
|
| 1035 |
|
|
0570 F9E8 86 01 LDA #$01
|
| 1036 |
|
|
0571 F9EA B7 E0 1A STA SECFDC
|
| 1037 |
|
|
0572 F9ED 8D 29 BSR DELAY
|
| 1038 |
|
|
0573 F9EF 86 8C LDA #$8C
|
| 1039 |
|
|
0574 F9F1 B7 E0 18 STA CMDFDC
|
| 1040 |
|
|
0575 F9F4 8D 22 BSR DELAY
|
| 1041 |
|
|
0576 F9F6 8E C0 00 LDX #$C000
|
| 1042 |
|
|
0577 F9F9 20 09 BRA LOOP3
|
| 1043 |
|
|
0578 F9FB C5 02 LOOP2 BITB #$02
|
| 1044 |
|
|
0579 F9FD 27 05 BEQ LOOP3
|
| 1045 |
|
|
0580 F9FF B6 E0 1B LDA DATFDC
|
| 1046 |
|
|
0581 FA02 A7 80 STA ,X+
|
| 1047 |
|
|
0582 FA04 F6 E0 18 LOOP3 LDB CMDFDC
|
| 1048 |
|
|
0583 FA07 C5 01 BITB #$01
|
| 1049 |
|
|
0584 FA09 26 F0 BNE LOOP2
|
| 1050 |
|
|
0585 FA0B C5 2C BITB #$2C
|
| 1051 |
|
|
0586 FA0D 27 01 BEQ LOOP4
|
| 1052 |
|
|
0587 FA0F 39 RTS
|
| 1053 |
|
|
0588 *
|
| 1054 |
|
|
0589 FA10 8E C0 00 LOOP4 LDX #$C000
|
| 1055 |
|
|
0590 FA13 AF 4A STX $0A,U
|
| 1056 |
|
|
0591 FA15 1F 34 TFR U,S
|
| 1057 |
|
|
0592 FA17 3B RTI
|
| 1058 |
|
|
0593 *
|
| 1059 |
|
|
0594 FA18 C6 04 DELAY LDB #$04
|
| 1060 |
|
|
0595 FA1A 5A LOOP5 DECB
|
| 1061 |
|
|
0596 FA1B 26 FD BNE LOOP5
|
| 1062 |
|
|
0597 FA1D 39 RTS
|
| 1063 |
|
|
0598 ENDIF MFDCOPT
|
| 1064 |
|
|
0599 *
|
| 1065 |
|
|
0600 IFD DMAFOPT
|
| 1066 |
|
|
0601 *
|
| 1067 |
|
|
0602 *** "D" DISK BOOT FOR DMAF2 ***
|
| 1068 |
|
|
0603 *
|
| 1069 |
|
|
0604 DBOOT LDA #$DE
|
| 1070 |
|
|
0605 STA DRVREG
|
| 1071 |
|
|
0606 LDA #$FF
|
| 1072 |
|
|
0607 STA PRIREG $FAF8
|
| 1073 |
|
|
0608 STA CCREG
|
| 1074 |
|
|
0609 STA AAAREG
|
| 1075 |
|
|
0610 STA BBBREG
|
| 1076 |
|
|
0611 TST CCREG
|
| 1077 |
|
|
0612 LDA #$D8
|
| 1078 |
|
|
0613 STA COMREG
|
| 1079 |
|
|
0614 LBSR DLY
|
| 1080 |
|
|
0615 DBOOT0 LDA COMREG
|
| 1081 |
|
|
0616 BMI DBOOT0
|
| 1082 |
|
|
0617 LDA #$09
|
| 1083 |
|
|
0618 STA COMREG
|
| 1084 |
|
|
0619 LBSR DLY
|
| 1085 |
|
|
0620 *
|
| 1086 |
|
|
0621 DISKWT LDA COMREG FETCH DRIVE STATUS
|
| 1087 |
|
|
0622 BITA #1 TEST BUSY BIT
|
| 1088 |
|
|
0623 BNE DISKWT LOOP UNTIL NOT BUSY
|
| 1089 |
|
|
0624 *
|
| 1090 |
|
|
0625 BITA #$10
|
| 1091 |
|
|
0626 BNE DBOOT
|
| 1092 |
|
|
0627 *
|
| 1093 |
|
|
0628 LDX #$C000 LOGICAL ADDR. = $C000
|
| 1094 |
|
|
0629 BSR LRA GET 20 BIT PHYSICAL ADDR. OF LOG. ADDR.
|
| 1095 |
|
|
0630 ORA #$10
|
| 1096 |
|
|
0631 STA CCCREG
|
| 1097 |
|
|
0632 TFR X,D
|
| 1098 |
|
|
0633 COMA ;
|
| 1099 |
|
|
0634 COMB ;
|
| 1100 |
|
|
0635 STD ADDREG
|
| 1101 |
|
|
0636 LDX #$FEFF LOAD DMA BYTE COUNT = $100
|
| 1102 |
|
|
0637 STX CNTREG STORE IN COUNT REGISTER
|
| 1103 |
|
|
0638 LDA #$FF LOAD THE CHANNEL REGISTER
|
| 1104 |
|
|
0639 STA CCREG
|
| 1105 |
|
|
0640 LDA #$FE SET CHANNEL 0
|
| 1106 |
|
|
0641 STA PRIREG
|
| 1107 |
|
|
0642 LDA #1 SET SECTOR TO "1"
|
| 1108 |
|
|
0643 STA SECREG ISSUE COMMAND
|
| 1109 |
|
|
0644 LDA #$8C SET SINGLE SECTOR READ
|
| 1110 |
|
|
0645 STA COMREG ISSUE COMMAND
|
| 1111 |
|
|
0646 BSR DLY
|
| 1112 |
|
|
0647 *
|
| 1113 |
|
|
0648 * THE FOLLOWING CODE TESTS THE STATUS OF THE
|
| 1114 |
|
|
0649 * CHANNEL CONTROL REGISTER. IF "D7" IS NOT
|
| 1115 |
|
|
0650 * ZERO THEN IT WILL LOOP WAITING FOR "D7"
|
| 1116 |
|
|
0651 * TO GO TO ZERO. IF AFTER 65,536 TRIES IT
|
| 1117 |
|
|
0652 * IS STILL A ONE THE BOOT OPERATION WILL
|
| 1118 |
|
|
0653 * BE STARTED OVER FROM THE BEGINING.
|
| 1119 |
|
|
0654 *
|
| 1120 |
|
|
0655 CLRB ;
|
| 1121 |
|
|
0656 DBOOT1 PSHS B $FB55
|
| 1122 |
|
|
0657 CLRB ;
|
| 1123 |
|
|
0658 DBOOT2 TST CCREG
|
| 1124 |
|
|
0659 BPL DBOOT3
|
| 1125 |
|
|
0660 DECB ;
|
| 1126 |
|
|
0661 BNE DBOOT2
|
| 1127 |
|
|
0662 PULS B
|
| 1128 |
|
|
0663 DECB
|
| 1129 |
|
|
0664 BNE DBOOT1
|
| 1130 |
|
|
0665 BRA DBOOT
|
| 1131 |
|
|
0666 DBOOT3 PULS B
|
| 1132 |
|
|
0667 LDA COMREG
|
| 1133 |
|
|
0668 BITA #$1C
|
| 1134 |
|
|
0669 BEQ DBOOT4
|
| 1135 |
|
|
0670 RTS ;
|
| 1136 |
|
|
0671 *
|
| 1137 |
|
|
0672 *
|
| 1138 |
|
|
0673 DBOOT4 LDB #$DE
|
| 1139 |
|
|
0674 STB DRVREG
|
| 1140 |
|
|
0675 LDX #$C000
|
| 1141 |
|
|
0676 STX 10,U
|
| 1142 |
|
|
0677 TFR U,S $FB7B
|
| 1143 |
|
|
0678 RTI ;
|
| 1144 |
|
|
0679 ENDIF DMAFOPT
|
| 1145 |
|
|
0679 ENDIF DMAFOPT
|
| 1146 |
|
|
0680 *
|
| 1147 |
|
|
0681 IFD CF8OPT
|
| 1148 |
|
|
0682 *
|
| 1149 |
|
|
0683 * COMPACT FLASH BOOT
|
| 1150 |
|
|
0684 *
|
| 1151 |
|
|
0685 CFBOOT BSR WAITRDY
|
| 1152 |
|
|
0686 LDA #HEADLBA
|
| 1153 |
|
|
0687 STA CF_HEAD
|
| 1154 |
|
|
0688 BSR WAITRDY
|
| 1155 |
|
|
0689 LDA #FEAT8BIT
|
| 1156 |
|
|
0690 STA CF_FEATURE
|
| 1157 |
|
|
0691 LDA #CMDFEATURE
|
| 1158 |
|
|
0692 STA CF_COMAND
|
| 1159 |
|
|
0693 BSR WAITRDY
|
| 1160 |
|
|
0694 *
|
| 1161 |
|
|
0695 * READ SECTORS FROM CF
|
| 1162 |
|
|
0696 *
|
| 1163 |
|
|
0697 CFREAD LDA #$01
|
| 1164 |
|
|
0698 STA CF_SECCNT
|
| 1165 |
|
|
0699 CLRA
|
| 1166 |
|
|
0700 STA CF_SECNUM
|
| 1167 |
|
|
0701 STA CF_CYLLO
|
| 1168 |
|
|
0702 STA CF_CYLHI
|
| 1169 |
|
|
0703 *
|
| 1170 |
|
|
0704 LDA #CMDREAD ; IDE READ MULTIPLE
|
| 1171 |
|
|
0705 STA CF_COMAND
|
| 1172 |
|
|
0706 BSR WAITRDY
|
| 1173 |
|
|
0707 LDX #$C000
|
| 1174 |
|
|
0708 *
|
| 1175 |
|
|
0709 * READ LOOP
|
| 1176 |
|
|
0710 *
|
| 1177 |
|
|
0711 RDLOOP BSR WAITDRQ
|
| 1178 |
|
|
0712 LDA CF_DATA
|
| 1179 |
|
|
0713 STA ,X+
|
| 1180 |
|
|
0714 CMPX #$C200
|
| 1181 |
|
|
0715 BNE RDLOOP
|
| 1182 |
|
|
0716 *
|
| 1183 |
|
|
0717 LDX #$C000
|
| 1184 |
|
|
0718 STX $0A,U
|
| 1185 |
|
|
0719 TFR U,S
|
| 1186 |
|
|
0720 RTI
|
| 1187 |
|
|
0721 *
|
| 1188 |
|
|
0722 * WAIT UNTIL READY
|
| 1189 |
|
|
0723 *
|
| 1190 |
|
|
0724 WAITRDY LDA CF_STATUS
|
| 1191 |
|
|
0725 BITA #BUSY
|
| 1192 |
|
|
0726 BNE WAITRDY
|
| 1193 |
|
|
0727 LDA CF_STATUS
|
| 1194 |
|
|
0728 BITA #DRDY
|
| 1195 |
|
|
0729 BEQ WAITRDY
|
| 1196 |
|
|
0730 RTS
|
| 1197 |
|
|
0731 *
|
| 1198 |
|
|
0732 * WAIT FOR DATA REQUEST
|
| 1199 |
|
|
0733 *
|
| 1200 |
|
|
0734 WAITDRQ LDA CF_STATUS
|
| 1201 |
|
|
0735 BITA #DRQ
|
| 1202 |
|
|
0736 BEQ WAITDRQ
|
| 1203 |
|
|
0737 RTS
|
| 1204 |
|
|
0738 ENDIF CF8OPT
|
| 1205 |
|
|
0738 ENDIF CF8OPT
|
| 1206 |
|
|
0739 *
|
| 1207 |
|
|
0740 IFD IDEOPT
|
| 1208 |
|
|
0741 *
|
| 1209 |
|
|
0742 * XESS 16 BIT IDE BOOT
|
| 1210 |
|
|
0743 *
|
| 1211 |
|
|
0744 IDEBOOT LDD #AUXRESET
|
| 1212 |
|
|
0745 STD CF_AUX
|
| 1213 |
|
|
0746 LDD #AUXRSTREL
|
| 1214 |
|
|
0747 STD CF_AUX
|
| 1215 |
|
|
0748 LDD #HEADLBA
|
| 1216 |
|
|
0749 STD CF_HEAD
|
| 1217 |
|
|
0750 BSR WAITRDY
|
| 1218 |
|
|
0751 *
|
| 1219 |
|
|
0752 * READ SECTORS FROM CF
|
| 1220 |
|
|
0753 *
|
| 1221 |
|
|
0754 LDD #$01
|
| 1222 |
|
|
0755 STD CF_SECCNT
|
| 1223 |
|
|
0756 CLRB
|
| 1224 |
|
|
0757 STD CF_SECNUM
|
| 1225 |
|
|
0758 STD CF_CYLLO
|
| 1226 |
|
|
0759 STD CF_CYLHI
|
| 1227 |
|
|
0760 *
|
| 1228 |
|
|
0761 LDB #CMDREAD ; IDE READ MULTIPLE
|
| 1229 |
|
|
0762 STD CF_COMAND
|
| 1230 |
|
|
0763 BSR WAITRDY
|
| 1231 |
|
|
0764 LDX #$C000
|
| 1232 |
|
|
0765 *
|
| 1233 |
|
|
0766 * READ LOOP
|
| 1234 |
|
|
0767 *
|
| 1235 |
|
|
0768 RDLOOP BSR WAITDRQ
|
| 1236 |
|
|
0769 LDD CF_DATA
|
| 1237 |
|
|
0770 STB ,X+
|
| 1238 |
|
|
0771 CMPX #$C100
|
| 1239 |
|
|
0772 BNE RDLOOP
|
| 1240 |
|
|
0773 *
|
| 1241 |
|
|
0774 LDX #$C000
|
| 1242 |
|
|
0775 STX $0A,U
|
| 1243 |
|
|
0776 TFR U,S
|
| 1244 |
|
|
0777 RTI
|
| 1245 |
|
|
0778 *
|
| 1246 |
|
|
0779 * WAIT UNTIL READY
|
| 1247 |
|
|
0780 *
|
| 1248 |
|
|
0781 WAITRDY LDD CF_STATUS
|
| 1249 |
|
|
0782 BITB #BUSY
|
| 1250 |
|
|
0783 BNE WAITRDY
|
| 1251 |
|
|
0784 LDD CF_STATUS
|
| 1252 |
|
|
0785 BITB #DRDY
|
| 1253 |
|
|
0786 BEQ WAITRDY
|
| 1254 |
|
|
0787 RTS
|
| 1255 |
|
|
0788 *
|
| 1256 |
|
|
0789 * WAIT FOR DATA REQUEST
|
| 1257 |
|
|
0790 *
|
| 1258 |
|
|
0791 WAITDRQ LDD CF_STATUS
|
| 1259 |
|
|
0792 BITB #DRQ
|
| 1260 |
|
|
0793 BEQ WAITDRQ
|
| 1261 |
|
|
0794 RTS
|
| 1262 |
|
|
0795 ENDIF IDEOPT
|
| 1263 |
|
|
0795 ENDIF IDEOPT
|
| 1264 |
|
|
0796 *
|
| 1265 |
|
|
0797 IFD RTCOPT
|
| 1266 |
|
|
0798 *
|
| 1267 |
|
|
0799 * CLOCK INTER FACE UTILITY
|
| 1268 |
|
|
0800 *
|
| 1269 |
|
|
0801 * TIME
|
| 1270 |
|
|
0802 * If no argument is specified, the current time
|
| 1271 |
|
|
0803 * will be displayed.
|
| 1272 |
|
|
0804 *
|
| 1273 |
|
|
0805 * READ A REGISTER FROM THE COUNTER.
|
| 1274 |
|
|
0806 * The X Index rgister points to the register
|
| 1275 |
|
|
0807 * to be read. The Status Register is checked
|
| 1276 |
|
|
0808 * before and after the register is read before
|
| 1277 |
|
|
0809 * returning a value in accumulator A
|
| 1278 |
|
|
0810 *
|
| 1279 |
|
|
0811 RDCLK TST CLKSTA
|
| 1280 |
|
|
0812 BNE RDCLK
|
| 1281 |
|
|
0813 RDCLK1 LDA 0,X
|
| 1282 |
|
|
0814 TST CLKSTA
|
| 1283 |
|
|
0815 BNE RDCLK1
|
| 1284 |
|
|
0816 RTS
|
| 1285 |
|
|
0817 *
|
| 1286 |
|
|
0818 * MAIN PROGRAM:
|
| 1287 |
|
|
0819 *
|
| 1288 |
|
|
0820 TIMSET LDX #COUNTR POINT TO TIMER
|
| 1289 |
|
|
0821 LBSR BYTE READ HOURS
|
| 1290 |
|
|
0822 BVS SHOWTM NO ARG, DISP TIME
|
| 1291 |
|
|
0823 STA HOUR,X
|
| 1292 |
|
|
0824 LBSR OUT1S
|
| 1293 |
|
|
0825 LBSR BYTE READ MINUITES
|
| 1294 |
|
|
0826 BVS SHOWTM
|
| 1295 |
|
|
0827 STA MINUIT,X
|
| 1296 |
|
|
0828 LBSR OUT1S
|
| 1297 |
|
|
0829 LBSR BYTE SECONDS.
|
| 1298 |
|
|
0830 BVS SHOWTM
|
| 1299 |
|
|
0831 STA SECOND,X
|
| 1300 |
|
|
0832 *
|
| 1301 |
|
|
0833 * DISPLAY CURRENT TIME
|
| 1302 |
|
|
0834 *
|
| 1303 |
|
|
0835 SHOWTM LBSR PCRLF
|
| 1304 |
|
|
0836 LDX #COUNTR+HOUR
|
| 1305 |
|
|
0837 LDB #3
|
| 1306 |
|
|
0838 SHOWLP BSR RDCLK
|
| 1307 |
|
|
0839 LBSR OUT2H
|
| 1308 |
|
|
0840 LDA #':
|
| 1309 |
|
|
0841 LBSR OUTCH
|
| 1310 |
|
|
0842 LEAX -1,X
|
| 1311 |
|
|
0843 DECB
|
| 1312 |
|
|
0844 BNE SHOWLP
|
| 1313 |
|
|
0845 RTS
|
| 1314 |
|
|
0846 *
|
| 1315 |
|
|
0847 * INITIATE CLOCK.
|
| 1316 |
|
|
0848 * MASK INTERRUPTS.
|
| 1317 |
|
|
0849 *
|
| 1318 |
|
|
0850 CLKINZ CLR CINTCR MASK ALL INTERRUPTS
|
| 1319 |
|
|
0851 TST CINTSR CLEAR ANY INTERRUPTS
|
| 1320 |
|
|
0852 RTS
|
| 1321 |
|
|
0853 ENDIF RTCOPT
|
| 1322 |
|
|
0853 ENDIF RTCOPT
|
| 1323 |
|
|
0854 IFD DATOPT
|
| 1324 |
|
|
0855 *
|
| 1325 |
|
|
0856 ***** LRA LOAD REAL ADDRESS *****
|
| 1326 |
|
|
0857 *
|
| 1327 |
|
|
0858 * THE FOLLOWING CODE LOADS THE 20-BIT
|
| 1328 |
|
|
0859 * PHYSICAL ADDRESS OF A MEMORY BYTE
|
| 1329 |
|
|
0860 * INTO THE "A" AND "X" REGISTERS. THIS
|
| 1330 |
|
|
0861 * ROUTINE IS ENTERED WITH THE LOGICAL
|
| 1331 |
|
|
0862 * ADDRESS OF A MEMORY BYTE IN THE "IX"
|
| 1332 |
|
|
0863 * REGISTER. EXIT IS MADE WITH THE HIGH-
|
| 1333 |
|
|
0864 * ORDER FOUR BITS OF THE 20-BIT PHYSICAL
|
| 1334 |
|
|
0865 * ADDRESS IN THE "A" REGISTER, AND THE
|
| 1335 |
|
|
0866 * LOW-ORDER 16-BITS OF THE 20-BIT
|
| 1336 |
|
|
0867 * PHYSICAL ADDRESS IN THE "IX" REGISTER.
|
| 1337 |
|
|
0868 * ALL OTHER REGISTERS ARE PRESERVED.
|
| 1338 |
|
|
0869 * THIS ROUTINE IS REQUIRED SINCE THE
|
| 1339 |
|
|
0870 * DMAF1 AND DMAF2 DISK CONTROLLERS MUST
|
| 1340 |
|
|
0871 * PRESENT PHYSICAL ADDRESSES ON THE
|
| 1341 |
|
|
0872 * SYSTEM BUS.
|
| 1342 |
|
|
0873 *
|
| 1343 |
|
|
0874 LRA PSHS A,B,X,Y PUSH REGISTERS ON STACK
|
| 1344 |
|
|
0875 LDA 2,S GET MSB LOGICAL ADDR FRM X REG ON STACK
|
| 1345 |
|
|
0876 LSRA ;
|
| 1346 |
|
|
0877 LSRA ADJ FOR INDEXED INTO
|
| 1347 |
|
|
0878 LSRA CORRESPONDING LOCATION
|
| 1348 |
|
|
0879 LSRA IN LRA TABLE
|
| 1349 |
|
|
0880 LDY #LRARAM LOAD LRA TABLE BASE ADDRESS
|
| 1350 |
|
|
0881 LDB A,Y GET PHYSICAL ADDR. DATA FROM LRA TABLE
|
| 1351 |
|
|
0882 LSRB ADJ. REAL ADDR. TO REFLECT EXTENDED
|
| 1352 |
|
|
0883 LSRB PHYSICAL ADDRESS.
|
| 1353 |
|
|
0884 LSRB EXTENDED MS 4-BITS ARE RETURNED
|
| 1354 |
|
|
0885 LSRB IN THE "A" ACCUMULATOR
|
| 1355 |
|
|
0886 STB ,S MS 4 BITS IN A ACCUM. STORED ON STACK
|
| 1356 |
|
|
0887 LDB A,Y LOAD REAL ADDRESS DATA FROM LRA TABLE
|
| 1357 |
|
|
0888 COMB COMP TO ADJ FOR PHYSICAL ADDR. IN X REG
|
| 1358 |
|
|
0889 ASLB ADJ DATA FOR RELOCATION IN X REG
|
| 1359 |
|
|
0890 ASLB ;
|
| 1360 |
|
|
0891 ASLB $FB97
|
| 1361 |
|
|
0892 ASLB ;
|
| 1362 |
|
|
0893 LDA 2,S GET MS BYTE OF LOGICAL ADDR.
|
| 1363 |
|
|
0894 ANDA #$0F MASK MS NIBBLE OF LOGICAL ADDRESS
|
| 1364 |
|
|
0895 STA 2,S SAVE IT IN X REG ON STACK
|
| 1365 |
|
|
0896 ORB 2,S SET MS BYTE IN X REG TO ADJ PHY ADDR.
|
| 1366 |
|
|
0897 *
|
| 1367 |
|
|
0898 * PLUS LS NIBBLE OF LOGICAL ADDRESS
|
| 1368 |
|
|
0899 STB 2,S SAVE AS LS 16 BITS OF PHY ADDR IN X REG
|
| 1369 |
|
|
0900 * ON STACK
|
| 1370 |
|
|
0901 PULS A,B,X,Y,PC POP REGS. FROM STACK
|
| 1371 |
|
|
0902 ENDIF DATOPT
|
| 1372 |
|
|
0902 ENDIF DATOPT
|
| 1373 |
|
|
0903 *
|
| 1374 |
|
|
0904 * DELAY LOOP
|
| 1375 |
|
|
0905 *
|
| 1376 |
|
|
0906 FA1E 34 04 DLY PSHS B SAVE CONTENTS OF "B"
|
| 1377 |
|
|
0907 FA20 C6 20 LDB #$20 GET LOOP DELAY VALUE
|
| 1378 |
|
|
0908 FA22 5A SUB1 DECB SUBTRACT ONE FROM VALUE
|
| 1379 |
|
|
0909 FA23 26 FD BNE SUB1 LOOP UNTIL ZERO
|
| 1380 |
|
|
0910 FA25 35 84 PULS B,PC RESTORE CONTENTS OF "B"
|
| 1381 |
|
|
0911 * RTS ;
|
| 1382 |
|
|
0912 *
|
| 1383 |
|
|
0913 ***** "L" LOAD MIKBUG TAPE *****
|
| 1384 |
|
|
0914 *
|
| 1385 |
|
|
0915 FA27 BD FC 98 LOAD JSR ACINIZ
|
| 1386 |
|
|
0916 FA2A 86 11 LDA #$11 LOAD 'DC1' CASS. READ ON CODE
|
| 1387 |
|
|
0917 FA2C 17 02 54 LBSR OUTCH OUTPUT IT TO TERMINAL PORT
|
| 1388 |
|
|
0918 FA2F 7F DF D2 CLR ECHO TURN OFF ECHO FLAG
|
| 1389 |
|
|
0919 FA32 17 02 26 LOAD1 LBSR ECHON INPUT 8 BIT BYTE WITH NO ECHO
|
| 1390 |
|
|
0920 FA35 81 53 LOAD2 CMPA #'S IS IT AN "S", START CHARACTER ?
|
| 1391 |
|
|
0921 FA37 26 F9 BNE LOAD1 IF NOT, DISCARD AND GET NEXT CHAR.
|
| 1392 |
|
|
0922 FA39 17 02 1F LBSR ECHON
|
| 1393 |
|
|
0923 FA3C 81 39 CMPA #'9 IS IT A "9" , END OF FILE CHAR ?
|
| 1394 |
|
|
0924 FA3E 27 3D BEQ LOAD21 IF SO, EXIT LOAD
|
| 1395 |
|
|
0925 FA40 81 31 CMPA #'1 IS IT A "1" , FILE LOAD CHAR ?
|
| 1396 |
|
|
0926 FA42 26 F1 BNE LOAD2 IF NOT, LOOK FOR START CHAR.
|
| 1397 |
|
|
0927 FA44 17 01 A8 LBSR BYTE INPUT BYTE COUNT
|
| 1398 |
|
|
0928 FA47 34 02 PSHS A PUSH COUNT ON STACK
|
| 1399 |
|
|
0929 FA49 29 26 BVS LODERR (V) C-CODE SET, ILLEGAL HEX
|
| 1400 |
|
|
0930 FA4B 17 01 91 LBSR IN1ADR INPUT LOAD ADDRESS
|
| 1401 |
|
|
0931 FA4E 29 21 BVS LODERR (V) C-CODE SET, ADDR NOT HEX
|
| 1402 |
|
|
0932 FA50 34 10 PSHS X PUSH ADDR ON STACK
|
| 1403 |
|
|
0933 FA52 E6 E0 LDB ,S+ LOAD MSB OF ADDR AS CHECKSUM BYTE
|
| 1404 |
|
|
0934 FA54 EB E0 ADDB ,S+ ADD LSB OF ADDR TO CHECKSUM
|
| 1405 |
|
|
0935 FA56 EB E4 ADDB ,S ADD BYTE COUNT BYTE TO CHECKSUM
|
| 1406 |
|
|
0936 FA58 6A E4 DEC ,S $FC37 DECREMENT BYTE COUNT 2 TO BYPASS
|
| 1407 |
|
|
0937 FA5A 6A E4 DEC ,S ADDRESS BYTES.
|
| 1408 |
|
|
0938 FA5C 34 04 LOAD10 PSHS B PUSH CHECKSUM ON STACK
|
| 1409 |
|
|
0939 FA5E 17 01 8E LBSR BYTE INPUT DATA BYTE (2 HEX CHAR)
|
| 1410 |
|
|
0940 FA61 35 04 PULS B POP CHECKSUM FROM STACK
|
| 1411 |
|
|
0941 FA63 29 0C BVS LODERR (V) SET, DATA BYTE NOT HEX
|
| 1412 |
|
|
0942 FA65 34 02 PSHS A PUSH DATA BYTE ON STACK
|
| 1413 |
|
|
0943 FA67 EB E0 ADDB ,S+ ADD DATA TO CHECKSUM, AUTO INC STACK
|
| 1414 |
|
|
0944 FA69 6A E4 DEC ,S DECREMENT BYTE COUNT 1
|
| 1415 |
|
|
0945 FA6B 27 05 BEQ LOAD16 IF BYTE COUNT ZERO, TEST CHECKSUM
|
| 1416 |
|
|
0946 FA6D A7 80 STA ,X+ SAVE DATA BYTE IN MEMORY
|
| 1417 |
|
|
0947 FA6F 20 EB BRA LOAD10 GET NEXT DATA BYTE
|
| 1418 |
|
|
0948 FA71 5F LODERR CLRB ;ERROR CONDITION, ZERO CHECKSUM ;
|
| 1419 |
|
|
0949 FA72 35 02 LOAD16 PULS A ADJUST STACK (REMOVE BYTE COUNT)
|
| 1420 |
|
|
0950 FA74 C1 FF CMPB #$FF CHECKSUM OK?
|
| 1421 |
|
|
0951 FA76 27 BA BEQ LOAD1 IF SO, LOAD NEXT LINE
|
| 1422 |
|
|
0952 FA78 86 3F LDA #'? LOAD (?) ERROR INDICATOR
|
| 1423 |
|
|
0953 FA7A 17 02 06 LBSR OUTCH OUTPUT IT TO TERMINAL
|
| 1424 |
|
|
0954 FA7D 73 DF D2 LOAD21 COM ECHO TURN ECHO ON
|
| 1425 |
|
|
0955 FA80 86 13 LDA #$13 $FC5F LOAD 'DC3' CASS. READ OFF CODE
|
| 1426 |
|
|
0956 FA82 16 01 FE LBRA OUTCH OUTPUT IT
|
| 1427 |
|
|
0957 *
|
| 1428 |
|
|
0958 ***** "P" PUNCH MIKBUG TAPE *****
|
| 1429 |
|
|
0959 *
|
| 1430 |
|
|
0960 FA85 6F E2 PUNCH CLR ,-S CLEAR RESERVED BYTE ON STACK
|
| 1431 |
|
|
0961 FA87 17 01 4A LBSR IN2ADR GET BEGIN AND END ADDRESS
|
| 1432 |
|
|
0962 FA8A 34 30 PSHS X,Y SAVE ADDRESSES ON STACK
|
| 1433 |
|
|
0963 FA8C 29 4D BVS PUNEXT (V) C-CODE SET, EXIT PUNCH
|
| 1434 |
|
|
0964 FA8E AC 62 CMPX 2,S COMPARE BEGIN TO END ADDR
|
| 1435 |
|
|
0965 FA90 25 49 BCS PUNEXT IF BEGIN GREATER THAN END, EXIT PUNCH
|
| 1436 |
|
|
0966 FA92 30 01 LEAX 1,X INCREMENT END ADDRESS
|
| 1437 |
|
|
0967 FA94 AF E4 STX ,S STORE END ADDR ON STACK
|
| 1438 |
|
|
0968 FA96 BD FC 98 JSR ACINIZ
|
| 1439 |
|
|
0969 FA99 86 12 LDA #$12 LOAD 'DC2' PUNCH ON CODE
|
| 1440 |
|
|
0970 FA9B 17 01 E5 LBSR OUTCH OUTPUT IT TO TERMINAL
|
| 1441 |
|
|
0971 FA9E EC E4 PUNCH2 LDD ,S LOAD END ADDR IN D-ACC
|
| 1442 |
|
|
0972 FAA0 A3 62 SUBD 2,S SUBTRACT BEGIN FROM END
|
| 1443 |
|
|
0973 FAA2 27 06 BEQ PUNCH3 SAME, PUNCH 32 BYTES DEFAULT
|
| 1444 |
|
|
0974 FAA4 10 83 00 20 CMPD #$20 LESS THAN 32 BYTES?
|
| 1445 |
|
|
0975 FAA8 23 02 BLS PUNCH4 PUNCH THAT MANY BYTES
|
| 1446 |
|
|
0976 FAAA C6 20 PUNCH3 LDB #$20 LOAD BYTE COUNT OF 32.
|
| 1447 |
|
|
0977 FAAC E7 64 PUNCH4 STB 4,S STORE ON STACK AS BYTE COUNT
|
| 1448 |
|
|
0978 FAAE 8E FF 03 LDX #MSG20 POINT TO MSG "S1"
|
| 1449 |
|
|
0979 FAB1 17 00 2F LBSR PSTRNG PRINT MSG
|
| 1450 |
|
|
0980 FAB4 CB 03 ADDB #3 ADD 3 BYTES TO BYTE COUNT
|
| 1451 |
|
|
0981 FAB6 1F 98 TFR B,A GET BYTE COUNT IN A-ACC TO PUNCH
|
| 1452 |
|
|
0982 FAB8 17 01 75 LBSR OUT2H OUTPUT BYTE COUNT
|
| 1453 |
|
|
0983 FABB AE 62 LDX 2,S LOAD BEGIN ADDRESS
|
| 1454 |
|
|
0984 FABD 17 01 68 LBSR OUT4H PUNCH ADDRESS
|
| 1455 |
|
|
0985 FAC0 EB 62 ADDB 2,S ADD ADDR MSB TO CHECKSUM
|
| 1456 |
|
|
0986 FAC2 EB 63 ADDB 3,S ADD ADDR LSB TO CHECKSUM
|
| 1457 |
|
|
0987 FAC4 EB 84 PUNCHL ADDB ,X ADD DATA BYTE TO CHECKSUM
|
| 1458 |
|
|
0988 FAC6 A6 80 LDA ,X+ LOAD DATA BYTE TO PUNCH
|
| 1459 |
|
|
0989 FAC8 17 01 65 LBSR OUT2H OUTPUT DATA BYTE
|
| 1460 |
|
|
0990 FACB 6A 64 DEC 4,S DECREMENT BYTE COUNT
|
| 1461 |
|
|
0991 FACD 26 F5 BNE PUNCHL NOT DONE, PUNCH NEXT BYTE
|
| 1462 |
|
|
0992 FACF 53 COMB 1's COMPLIMENT CHECKSUM BYTE
|
| 1463 |
|
|
0993 FAD0 1F 98 TFR B,A GET IT IN A-ACC TO PUNCH
|
| 1464 |
|
|
0994 FAD2 17 01 5B LBSR OUT2H OUTPUT CHECKSUM BYTE
|
| 1465 |
|
|
0995 FAD5 AF 62 STX 2,S SAVE X-REG IN STACK AS NEW PUNCH ADDR
|
| 1466 |
|
|
0996 FAD7 AC E4 CMPX ,S COMPARE IT TO END ADDR
|
| 1467 |
|
|
0997 FAD9 26 C3 BNE PUNCH2 $FCB5 PUNCH NOT DONE, CONT.
|
| 1468 |
|
|
0998 FADB 86 14 PUNEXT LDA #$14 LOAD 'DC4' PUNCH OFF CODE
|
| 1469 |
|
|
0999 FADD 17 01 A3 LBSR OUTCH OUTPUT IT
|
| 1470 |
|
|
1000 FAE0 32 65 LEAS 5,S READJUST STACK POINTER
|
| 1471 |
|
|
1001 FAE2 39 RTS ;
|
| 1472 |
|
|
1002 *
|
| 1473 |
|
|
1003 * PRINT STRING PRECEEDED BY A CR & LF.
|
| 1474 |
|
|
1004 *
|
| 1475 |
|
|
1005 FAE3 8D 02 PSTRNG BSR PCRLF PRINT CR/LF
|
| 1476 |
|
|
1006 FAE5 20 71 BRA PDATA PRINT STRING POINTED TO BY IX
|
| 1477 |
|
|
1007 *
|
| 1478 |
|
|
1008 * PCRLF
|
| 1479 |
|
|
1009 *
|
| 1480 |
|
|
1010 FAE7 34 10 PCRLF PSHS X SAVE IX
|
| 1481 |
|
|
1011 FAE9 8E FE B4 LDX #MSG2+1 POINT TO MSG CR/LF + 3 NULS
|
| 1482 |
|
|
1012 FAEC 17 00 69 LBSR PDATA PRINT MSG
|
| 1483 |
|
|
1013 FAEF 35 90 PULS X,PC RESTORE IX & RETURN
|
| 1484 |
|
|
1014 *
|
| 1485 |
|
|
1015 * LONG BRANCHES TO COMMON ROUTINES
|
| 1486 |
|
|
1016 *
|
| 1487 |
|
|
1017 FAF1 16 01 8D JOUT1S LBRA OUT1S
|
| 1488 |
|
|
1018 FAF4 16 00 F8 JBYTE LBRA BYTE
|
| 1489 |
|
|
1019 FAF7 16 00 E5 JIN1ADR LBRA IN1ADR
|
| 1490 |
|
|
1020 *
|
| 1491 |
|
|
1021 * ALTER "PC" PROGRAM COUNTER
|
| 1492 |
|
|
1022 *
|
| 1493 |
|
|
1023 FAFA 17 00 91 ALTRPC LBSR PRTPC $FCF5 PRINT MSG " PC = "
|
| 1494 |
|
|
1024 FAFD 8D F2 ALTPC1 BSR JOUT1S OUTPUT SPACE
|
| 1495 |
|
|
1025 FAFF 8D F6 BSR JIN1ADR GET NEW CONTENTS FOR "PC"
|
| 1496 |
|
|
1026 FB01 29 02 BVS ALTPCD EXIT IF INVALID HEX
|
| 1497 |
|
|
1027 FB03 AF 4A STX 10,U POKE IN NEW CONTENTS
|
| 1498 |
|
|
1028 FB05 39 ALTPCD RTS ;
|
| 1499 |
|
|
1029 *
|
| 1500 |
|
|
1030 * ALTER "U" USER STACK POINTER
|
| 1501 |
|
|
1031 *
|
| 1502 |
|
|
1032 FB06 8D 61 ALTRU BSR PRTUS $FCCA PRINT MSG " US = "
|
| 1503 |
|
|
1033 FB08 8D E7 BSR JOUT1S OUTPUT SPACE
|
| 1504 |
|
|
1034 FB0A 8D EB BSR JIN1ADR
|
| 1505 |
|
|
1035 FB0C 29 02 BVS ALTUD
|
| 1506 |
|
|
1036 FB0E AF 48 STX 8,U
|
| 1507 |
|
|
1037 FB10 39 ALTUD RTS ;
|
| 1508 |
|
|
1038 *
|
| 1509 |
|
|
1039 * ALTER "Y" INDEX REGISTER
|
| 1510 |
|
|
1040 *
|
| 1511 |
|
|
1041 FB11 8D 72 ALTRY BSR PRTIY PRINT MSG " IY = "
|
| 1512 |
|
|
1042 FB13 8D DC BSR JOUT1S OUTPUT SPACE
|
| 1513 |
|
|
1043 FB15 8D E0 BSR JIN1ADR
|
| 1514 |
|
|
1044 FB17 29 02 BVS ALTYD
|
| 1515 |
|
|
1045 FB19 AF 46 STX 6,U $F8F0
|
| 1516 |
|
|
1046 FB1B 39 ALTYD RTS ;
|
| 1517 |
|
|
1047 *
|
| 1518 |
|
|
1048 * ALTER "X" INDEX REGISTER
|
| 1519 |
|
|
1049 *
|
| 1520 |
|
|
1050 FB1C 8D 5E ALTRX BSR PRTIX $FCE0 PRINT MSG " IX = "
|
| 1521 |
|
|
1051 FB1E 8D D1 BSR JOUT1S OUTPUT SPACE
|
| 1522 |
|
|
1052 FB20 8D D5 BSR JIN1ADR
|
| 1523 |
|
|
1053 FB22 29 02 BVS ALTXD
|
| 1524 |
|
|
1054 FB24 AF 44 STX 4,U
|
| 1525 |
|
|
1055 FB26 39 ALTXD RTS ;
|
| 1526 |
|
|
1056 *
|
| 1527 |
|
|
1057 * ALTER "DP" DIRECT PAGE REGISTER
|
| 1528 |
|
|
1058 *
|
| 1529 |
|
|
1059 FB27 8D 49 ALTRDP BSR PRTDP $FCD5 PRINT MSG " DP = "
|
| 1530 |
|
|
1060 FB29 8D C6 BSR JOUT1S OUTPUT SPACE
|
| 1531 |
|
|
1061 FB2B 8D C7 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
| 1532 |
|
|
1062 FB2D 29 02 BVS ALTDPD
|
| 1533 |
|
|
1063 FB2F A7 43 STA 3,U
|
| 1534 |
|
|
1064 FB31 39 ALTDPD RTS ;
|
| 1535 |
|
|
1065 *
|
| 1536 |
|
|
1066 * ALTER "B" ACCUMULATOR
|
| 1537 |
|
|
1067 *
|
| 1538 |
|
|
1068 FB32 8D 6C ALTRB BSR PRTB $FD09 PRINT MSG " B = "
|
| 1539 |
|
|
1069 FB34 8D BB BSR JOUT1S OUTPUT SPACE
|
| 1540 |
|
|
1070 FB36 8D BC BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
| 1541 |
|
|
1071 FB38 29 02 BVS ALTBD
|
| 1542 |
|
|
1072 FB3A A7 42 STA 2,U
|
| 1543 |
|
|
1073 FB3C 39 ALTBD RTS $F91C
|
| 1544 |
|
|
1074 *
|
| 1545 |
|
|
1075 * ALTER "A" ACCUMULATOR
|
| 1546 |
|
|
1076 *
|
| 1547 |
|
|
1077 FB3D 8D 58 ALTRA BSR PRTA $FCFF RINT MSG " A = "
|
| 1548 |
|
|
1078 FB3F 8D B0 BSR JOUT1S OUTPUT SPACE
|
| 1549 |
|
|
1079 FB41 8D B1 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
| 1550 |
|
|
1080 FB43 29 02 BVS ALTAD
|
| 1551 |
|
|
1081 FB45 A7 41 STA 1,U
|
| 1552 |
|
|
1082 FB47 39 ALTAD RTS ;
|
| 1553 |
|
|
1083 *
|
| 1554 |
|
|
1084 * ALTER "CC" REGISTER
|
| 1555 |
|
|
1085 *
|
| 1556 |
|
|
1086 FB48 8D 5F ALTRCC BSR PRTCC $FD13 PRINT MSG " CC: "
|
| 1557 |
|
|
1087 FB4A 8D A5 BSR JOUT1S OUTPUT SPACE
|
| 1558 |
|
|
1088 FB4C 8D A6 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
| 1559 |
|
|
1089 FB4E 29 04 BVS ALTCCD
|
| 1560 |
|
|
1090 FB50 8A 80 ORA #$80 SETS "E" FLAG IN PRINT LIST
|
| 1561 |
|
|
1091 FB52 A7 C4 STA ,U
|
| 1562 |
|
|
1092 FB54 39 ALTCCD RTS ;
|
| 1563 |
|
|
1093 *
|
| 1564 |
|
|
1094 * PDATA
|
| 1565 |
|
|
1095 *
|
| 1566 |
|
|
1096 FB55 17 01 2B PRINT LBSR OUTCH
|
| 1567 |
|
|
1097 FB58 A6 80 PDATA LDA ,X+ GET 1st CHAR. TO PRINT
|
| 1568 |
|
|
1098 FB5A 81 04 CMPA #4 IS IT EOT?
|
| 1569 |
|
|
1099 FB5C 26 F7 BNE PRINT IF NOT EOT PRINT IT
|
| 1570 |
|
|
1100 FB5E 39 RTS ;
|
| 1571 |
|
|
1101 *
|
| 1572 |
|
|
1102 * PRINT REGISTERS
|
| 1573 |
|
|
1103 *
|
| 1574 |
|
|
1104 FB5F 8E FE C6 PRTSP LDX #MSG10 POINT TO MSG "SP="
|
| 1575 |
|
|
1105 FB62 8D F4 BSR PDATA PRINT MSG
|
| 1576 |
|
|
1106 FB64 1F 31 TFR U,X
|
| 1577 |
|
|
1107 FB66 16 00 BF JOUT4H LBRA OUT4H
|
| 1578 |
|
|
1108 *
|
| 1579 |
|
|
1109 FB69 8E FE D2 PRTUS LDX #MSG12 POINT TO MSG "US="
|
| 1580 |
|
|
1110 FB6C 8D EA BSR PDATA PRINT MSG
|
| 1581 |
|
|
1111 FB6E AE 48 LDX 8,U
|
| 1582 |
|
|
1112 FB70 20 F4 BRA JOUT4H
|
| 1583 |
|
|
1113 *
|
| 1584 |
|
|
1114 FB72 8E FE E4 PRTDP LDX #MSG15 POINT TO MSG "DP="
|
| 1585 |
|
|
1115 FB75 8D E1 BSR PDATA PRINT MSG
|
| 1586 |
|
|
1116 FB77 A6 43 LDA 3,U
|
| 1587 |
|
|
1117 FB79 16 00 B4 JOUT2H LBRA OUT2H OUTPUT HEX BYTE AS ASCII
|
| 1588 |
|
|
1118 *
|
| 1589 |
|
|
1119 FB7C 8E FE DE PRTIX LDX #MSG14 POINT TO MSG "IX="
|
| 1590 |
|
|
1120 FB7F 8D D7 BSR PDATA PRINT MSG
|
| 1591 |
|
|
1121 FB81 AE 44 LDX 4,U $FCE6
|
| 1592 |
|
|
1122 FB83 20 E1 BRA JOUT4H
|
| 1593 |
|
|
1123 *
|
| 1594 |
|
|
1124 FB85 8E FE D8 PRTIY LDX #MSG13 POINT TO MSG "IY="
|
| 1595 |
|
|
1125 FB88 8D CE BSR PDATA PRINT MSG
|
| 1596 |
|
|
1126 FB8A AE 46 LDX 6,U
|
| 1597 |
|
|
1127 FB8C 20 D8 BRA JOUT4H
|
| 1598 |
|
|
1128 *
|
| 1599 |
|
|
1129 FB8E 8E FE CC PRTPC LDX #MSG11 POINT TO MSG "PC="
|
| 1600 |
|
|
1130 FB91 8D C5 BSR PDATA PRINT MSG
|
| 1601 |
|
|
1131 FB93 AE 4A LDX 10,U
|
| 1602 |
|
|
1132 FB95 20 CF BRA JOUT4H
|
| 1603 |
|
|
1133 *
|
| 1604 |
|
|
1134 FB97 8E FE EA PRTA LDX #MSG16 POINT TO MSG "A="
|
| 1605 |
|
|
1135 FB9A 8D BC BSR PDATA PRINT MSG
|
| 1606 |
|
|
1136 FB9C A6 41 LDA 1,U
|
| 1607 |
|
|
1137 FB9E 20 D9 BRA JOUT2H OUTPUT HEX BYTE AS ASCII
|
| 1608 |
|
|
1138 *
|
| 1609 |
|
|
1139 FBA0 8E FE EF PRTB LDX #MSG17 POINT TO MSG "B="
|
| 1610 |
|
|
1140 FBA3 8D B3 BSR PDATA PRINT MSG
|
| 1611 |
|
|
1141 FBA5 A6 42 LDA 2,U
|
| 1612 |
|
|
1142 FBA7 20 D0 BRA JOUT2H OUTPUT HEX BYTE AS ASCII
|
| 1613 |
|
|
1143 *
|
| 1614 |
|
|
1144 FBA9 8E FE F4 PRTCC LDX #MSG18 POINT TO MSG "CC:"
|
| 1615 |
|
|
1145 FBAC 8D AA BSR PDATA PRINT MSG
|
| 1616 |
|
|
1146 FBAE A6 C4 LDA ,U
|
| 1617 |
|
|
1147 FBB0 8E FE FB LDX #MSG19 POINT TO MSG "EFHINZVC"
|
| 1618 |
|
|
1148 FBB3 16 00 90 LBRA BIASCI OUTPUT IN BINARY/ASCII FORMAT
|
| 1619 |
|
|
1149 *
|
| 1620 |
|
|
1150 * "R" DISPLAY REGISTERS
|
| 1621 |
|
|
1151 *
|
| 1622 |
|
|
1152 FBB6 8E FE C2 REGSTR LDX #MSG5 POINT TO MSG " - "
|
| 1623 |
|
|
1153 FBB9 17 FF 27 LBSR PSTRNG PRINT MSG
|
| 1624 |
|
|
1154 FBBC 8D A1 BSR PRTSP $FCBF
|
| 1625 |
|
|
1155 FBBE 8D A9 BSR PRTUS $FCCA
|
| 1626 |
|
|
1156 FBC0 8D B0 BSR PRTDP $FCD5
|
| 1627 |
|
|
1157 FBC2 8D B8 BSR PRTIX $FCE0
|
| 1628 |
|
|
1158 FBC4 8D BF BSR PRTIY $FCEB
|
| 1629 |
|
|
1159 FBC6 8E FE C2 LDX #MSG5 POINT TO MSG " - "
|
| 1630 |
|
|
1160 FBC9 17 FF 17 LBSR PSTRNG PRINT MSG
|
| 1631 |
|
|
1161 FBCC 8D C0 BSR PRTPC $FCF5
|
| 1632 |
|
|
1162 FBCE 8D C7 BSR PRTA $FCFF
|
| 1633 |
|
|
1163 FBD0 8D CE BSR PRTB $FD09
|
| 1634 |
|
|
1164 FBD2 20 D5 BRA PRTCC $FD13
|
| 1635 |
|
|
1165 *
|
| 1636 |
|
|
1166 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
| 1637 |
|
|
1167 * OPERATOR TO INPUT TWO VALID HEX ADDRESSES.
|
| 1638 |
|
|
1168 * THE FIRST ADDRESS INPUT IS RETURNED IN "IY".
|
| 1639 |
|
|
1169 * THE SECOND IS RETURNED IN "IX". THE "V" BIT
|
| 1640 |
|
|
1170 * IN THE C-CODE REG. IS SET IF AN INVALID HEX
|
| 1641 |
|
|
1171 * ADDRESS IS INPUT.
|
| 1642 |
|
|
1172 *
|
| 1643 |
|
|
1173 FBD4 8D 09 IN2ADR BSR IN1ADR GET FIRST ADDRESS
|
| 1644 |
|
|
1174 FBD6 29 4D BVS NOTHEX EXIT IF NOT VALID HEX
|
| 1645 |
|
|
1175 FBD8 1F 12 TFR X,Y SAVE FIRST ADDR. IN "IY"
|
| 1646 |
|
|
1176 FBDA 86 2D LDA #'-
|
| 1647 |
|
|
1177 FBDC 17 00 A4 LBSR OUTCH PRINT " - "
|
| 1648 |
|
|
1178 *
|
| 1649 |
|
|
1179 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
| 1650 |
|
|
1180 * OPERATOR TO INPUT ONE VALID HEX ADDRESS. THE
|
| 1651 |
|
|
1181 * ADDRESS IS RETURNED IN THE "X" REGISTER.
|
| 1652 |
|
|
1182 *
|
| 1653 |
|
|
1183 FBDF 8D 0E IN1ADR BSR BYTE INPUT BYTE (2 HEX CHAR)
|
| 1654 |
|
|
1184 FBE1 29 42 BVS NOTHEX EXIT IF NOT VALID HEX
|
| 1655 |
|
|
1185 FBE3 1F 01 TFR D,X
|
| 1656 |
|
|
1186 FBE5 8D 08 BSR BYTE INPUT BYTE (2 HEX CHAR)
|
| 1657 |
|
|
1187 FBE7 29 3C BVS NOTHEX
|
| 1658 |
|
|
1188 FBE9 34 10 PSHS X
|
| 1659 |
|
|
1189 FBEB A7 61 STA 1,S
|
| 1660 |
|
|
1190 FBED 35 90 PULS X,PC
|
| 1661 |
|
|
1191 *
|
| 1662 |
|
|
1192 ***** INPUT BYTE (2 HEX CHAR.) *****
|
| 1663 |
|
|
1193 *
|
| 1664 |
|
|
1194 FBEF 8D 11 BYTE BSR INHEX GET HEX LEFT
|
| 1665 |
|
|
1195 FBF1 29 32 BVS NOTHEX EXIT IF NOT VALID HEX
|
| 1666 |
|
|
1196 FBF3 48 ASLA ;
|
| 1667 |
|
|
1197 FBF4 48 ASLA ;
|
| 1668 |
|
|
1198 FBF5 48 ASLA ; SHIFT INTO LEFT NIBBLE
|
| 1669 |
|
|
1199 FBF6 48 ASLA ;
|
| 1670 |
|
|
1200 FBF7 1F 89 TFR A,B PUT HEXL IN "B"
|
| 1671 |
|
|
1201 FBF9 8D 07 BSR INHEX GET HEX RIGHT
|
| 1672 |
|
|
1202 FBFB 29 28 BVS NOTHEX EXIT IF NOT VALID HEX
|
| 1673 |
|
|
1203 FBFD 34 04 PSHS B PUSH HEXL ON STACK
|
| 1674 |
|
|
1204 FBFF AB E0 ADDA ,S+ ADD HEXL TO HEXR AND ADJ. STK
|
| 1675 |
|
|
1205 FC01 39 RTS RETURN WITH HEX L&R IN "A"
|
| 1676 |
|
|
1206 *
|
| 1677 |
|
|
1207 *
|
| 1678 |
|
|
1208 FC02 8D 57 INHEX BSR ECHON INPUT ASCII CHAR.
|
| 1679 |
|
|
1209 FC04 81 30 CMPA #'0 IS IT > OR = "0" ?
|
| 1680 |
|
|
1210 FC06 25 1D BCS NOTHEX IF LESS IT AIN'T HEX
|
| 1681 |
|
|
1211 FC08 81 39 CMPA #'9 IS IT < OR = "9" ?
|
| 1682 |
|
|
1212 FC0A 22 03 BHI INHEXA IF > MAYBE IT'S ALPHA
|
| 1683 |
|
|
1213 FC0C 80 30 SUBA #$30 ASCII ADJ. NUMERIC
|
| 1684 |
|
|
1214 FC0E 39 RTS ;
|
| 1685 |
|
|
1215 *
|
| 1686 |
|
|
1216 *
|
| 1687 |
|
|
1217 FC0F 81 41 INHEXA CMPA #'A IS IT > OR = "A"
|
| 1688 |
|
|
1218 FC11 25 12 BCS NOTHEX IF LESS IT AIN'T HEX
|
| 1689 |
|
|
1219 FC13 81 46 CMPA #'F IS IT < OR = "F" ?
|
| 1690 |
|
|
1220 FC15 22 03 BHI INHEXL IF > IT AIN'T HEX
|
| 1691 |
|
|
1221 FC17 80 37 SUBA #$37 ASCII ADJ. ALPHA
|
| 1692 |
|
|
1222 FC19 39 RTS ;
|
| 1693 |
|
|
1223 *
|
| 1694 |
|
|
1224 FC1A 81 61 INHEXL CMPA #'a IS IT > OR = "a"
|
| 1695 |
|
|
1225 FC1C 25 07 BCS NOTHEX IF LESS IT AIN'T HEX
|
| 1696 |
|
|
1226 FC1E 81 66 CMPA #'f IS IT < "f"
|
| 1697 |
|
|
1227 FC20 22 03 BHI NOTHEX IF > IT AIN'T HEX
|
| 1698 |
|
|
1228 FC22 80 57 SUBA #$57 ADJUST TO LOWER CASE
|
| 1699 |
|
|
1229 FC24 39 RTS ;
|
| 1700 |
|
|
1230 *
|
| 1701 |
|
|
1231 *
|
| 1702 |
|
|
1232 FC25 1A 02 NOTHEX ORCC #2 SET (V) FLAG IN C-CODES REGISTER
|
| 1703 |
|
|
1233 FC27 39 RTS ;
|
| 1704 |
|
|
1234 *
|
| 1705 |
|
|
1235 *
|
| 1706 |
|
|
1236 FC28 34 10 OUT4H PSHS X PUSH X-REG. ON THE STACK
|
| 1707 |
|
|
1237 FC2A 35 02 PULS A POP MS BYTE OF X-REG INTO A-ACC.
|
| 1708 |
|
|
1238 FC2C 8D 02 BSR OUTHL OUTPUT HEX LEFT
|
| 1709 |
|
|
1239 FC2E 35 02 PULS A POP LS BYTE OF X-REG INTO A-ACC.
|
| 1710 |
|
|
1240 FC30 OUTHL EQU *
|
| 1711 |
|
|
1241 FC30 34 02 OUT2H PSHS A SAVE IT BACK ON STACK
|
| 1712 |
|
|
1242 FC32 44 LSRA CONVERT UPPER HEX NIBBLE TO ASCII
|
| 1713 |
|
|
1243 FC33 44 LSRA ;
|
| 1714 |
|
|
1244 FC34 44 LSRA ;
|
| 1715 |
|
|
1245 FC35 44 LSRA ;
|
| 1716 |
|
|
1246 FC36 8D 04 BSR XASCII PRINT HEX NIBBLE AS ASCII
|
| 1717 |
|
|
1247 FC38 35 02 OUTHR PULS A CONVERT LOWER HEX NIBBLE TO ASCII
|
| 1718 |
|
|
1248 FC3A 84 0F ANDA #$0F STRIP LEFT NIBBLE
|
| 1719 |
|
|
1249 FC3C 8B 30 XASCII ADDA #$30 ASCII ADJ
|
| 1720 |
|
|
1250 FC3E 81 39 CMPA #$39 IS IT < OR = "9" ?
|
| 1721 |
|
|
1251 FC40 2F 02 BLE OUTC IF LESS, OUTPUT IT
|
| 1722 |
|
|
1252 FC42 8B 07 ADDA #7 IF > MAKE ASCII LETTER
|
| 1723 |
|
|
1253 FC44 20 3D OUTC BRA OUTCH OUTPUT CHAR
|
| 1724 |
|
|
1254 *
|
| 1725 |
|
|
1255 * BINARY / ASCII --- THIS ROUTINE
|
| 1726 |
|
|
1256 * OUTPUTS A BYTE IN ENHANCED
|
| 1727 |
|
|
1257 * BINARY FORMAT. THE ENHANCEMENT
|
| 1728 |
|
|
1258 * IS DONE BY SUBSTITUTING ASCII
|
| 1729 |
|
|
1259 * LETTERS FOR THE ONES IN THE BYTE.
|
| 1730 |
|
|
1260 * THE ASCII ENHANCEMENT LETTERS
|
| 1731 |
|
|
1261 * ARE OBTAINED FROM THE STRING
|
| 1732 |
|
|
1262 * POINTED TO BY THE INDEX REG. "X".
|
| 1733 |
|
|
1263 *
|
| 1734 |
|
|
1264 FC46 34 02 BIASCI PSHS A SAVE "A" ON STACK
|
| 1735 |
|
|
1265 FC48 C6 08 LDB #8 PRESET LOOP# TO BITS PER BYTE
|
| 1736 |
|
|
1266 FC4A A6 80 OUTBA LDA ,X+ GET LETTER FROM STRING
|
| 1737 |
|
|
1267 FC4C 68 E4 ASL ,S TEST BYTE FOR "1" IN B7
|
| 1738 |
|
|
1268 FC4E 25 02 BCS PRTBA IF ONE PRINT LETTER
|
| 1739 |
|
|
1269 FC50 86 2D LDA #'- IF ZERO PRINT "-"
|
| 1740 |
|
|
1270 FC52 8D 2F PRTBA BSR OUTCH PRINT IT
|
| 1741 |
|
|
1271 FC54 8D 2B BSR OUT1S PRINT SPACE
|
| 1742 |
|
|
1272 FC56 5A DECB SUB 1 FROM #BITS YET TO PRINT
|
| 1743 |
|
|
1273 FC57 26 F1 BNE OUTBA
|
| 1744 |
|
|
1274 FC59 35 82 PULS A,PC
|
| 1745 |
|
|
1275 *
|
| 1746 |
|
|
1276 IFD EXTOPT
|
| 1747 |
|
|
1277 *
|
| 1748 |
|
|
1278 * EXTENDED USER COMMANDS
|
| 1749 |
|
|
1279 *
|
| 1750 |
|
|
1280 USRCMD JMP [MONEXT+EXTCMD]
|
| 1751 |
|
|
1281 ENDIF EXTOPT
|
| 1752 |
|
|
1281 ENDIF EXTOPT
|
| 1753 |
|
|
1282 *
|
| 1754 |
|
|
1283 *
|
| 1755 |
|
|
1284 FC5B 7D DF D2 ECHON TST ECHO IS ECHO REQUIRED ?
|
| 1756 |
|
|
1285 FC5E 27 06 BEQ INCH ECHO NOT REQ. IF CLEAR
|
| 1757 |
|
|
1286 *
|
| 1758 |
|
|
1287 * INCHE
|
| 1759 |
|
|
1288 *
|
| 1760 |
|
|
1289 * ---GETS CHARACTER FROM TERMINAL AND
|
| 1761 |
|
|
1290 * ECHOS SAME. THE CHARACTER IS RETURNED
|
| 1762 |
|
|
1291 * IN THE "A" ACCUMULATOR WITH THE PARITY
|
| 1763 |
|
|
1292 * BIT MASKED OFF. ALL OTHER REGISTERS
|
| 1764 |
|
|
1293 * ARE PRESERVED.
|
| 1765 |
|
|
1294 *
|
| 1766 |
|
|
1295 FC60 8D 04 INCHE BSR INCH GET CHAR FROM TERMINAL
|
| 1767 |
|
|
1296 FC62 84 7F ANDA #$7F STRIP PARITY FROM CHAR.
|
| 1768 |
|
|
1297 FC64 20 1D BRA OUTCH ECHO CHAR TO TERMINAL
|
| 1769 |
|
|
1298 *
|
| 1770 |
|
|
1299 * INCH
|
| 1771 |
|
|
1300 *
|
| 1772 |
|
|
1301 * GET CHARACTER FROM TERMINAL. RETURN
|
| 1773 |
|
|
1302 * CHARACTER IN "A" ACCUMULATOR AND PRESERVE
|
| 1774 |
|
|
1303 * ALL OTHER REGISTERS. THE INPUT CHARACTER
|
| 1775 |
|
|
1304 * IS 8 BITS AND IS NOT ECHOED.
|
| 1776 |
|
|
1305 *
|
| 1777 |
|
|
1306 *
|
| 1778 |
|
|
1307 FC66 34 10 INCH PSHS X SAVE IX
|
| 1779 |
|
|
1308 FC68 BE DF D0 GETSTA LDX CPORT POINT TO TERMINAL PORT
|
| 1780 |
|
|
1309 FC6B A6 84 LDA ,X FETCH PORT STATUS
|
| 1781 |
|
|
1310 FC6D 85 01 BITA #1 TEST READY BIT, RDRF ?
|
| 1782 |
|
|
1311 IFD PS2OPT
|
| 1783 |
|
|
1312 BNE GETST1
|
| 1784 |
|
|
1313 LDX #PS2KBD
|
| 1785 |
|
|
1314 LDA ,X
|
| 1786 |
|
|
1315 BITA #1
|
| 1787 |
|
|
1316 ENDIF PS2OPT
|
| 1788 |
|
|
1316 ENDIF PS2OPT
|
| 1789 |
|
|
1317 FC6F 27 F7 BEQ GETSTA IF NOT RDY, THEN TRY AGAIN
|
| 1790 |
|
|
1318 FC71 A6 01 GETST1 LDA 1,X FETCH CHAR
|
| 1791 |
|
|
1319 FC73 35 90 PULS X,PC RESTORE IX
|
| 1792 |
|
|
1320 *
|
| 1793 |
|
|
1321 * INCHEK
|
| 1794 |
|
|
1322 *
|
| 1795 |
|
|
1323 * CHECK FOR A CHARACTER AVAILABLE FROM
|
| 1796 |
|
|
1324 * THE TERMINAL. THE SERIAL PORT IS CHECKED
|
| 1797 |
|
|
1325 * FOR READ READY. ALL REGISTERS ARE
|
| 1798 |
|
|
1326 * PRESERVED, AND THE "Z" BIT WILL BE
|
| 1799 |
|
|
1327 * CLEAR IF A CHARACTER CAN BE READ.
|
| 1800 |
|
|
1328 *
|
| 1801 |
|
|
1329 *
|
| 1802 |
|
|
1330 FC75 34 02 INCHEK PSHS A SAVE A ACCUM.
|
| 1803 |
|
|
1331 FC77 A6 9F DF D0 LDA [CPORT] FETCH PORT STATUS
|
| 1804 |
|
|
1332 FC7B 85 01 BITA #1 TEST READY BIT, RDRF ?
|
| 1805 |
|
|
1333 IFD PS2OPT
|
| 1806 |
|
|
1334 BNE INCHEK1
|
| 1807 |
|
|
1335 LDA PS2KBD
|
| 1808 |
|
|
1336 BITA #1 TEST READY BIT< RDRF ?
|
| 1809 |
|
|
1337 ENDIF PS2OPT
|
| 1810 |
|
|
1337 ENDIF PS2OPT
|
| 1811 |
|
|
1338 FC7D 35 82 INCHEK1 PULS A,PC RESTORE A ACCUM.
|
| 1812 |
|
|
1339 *
|
| 1813 |
|
|
1340 FC7F 8D 00 OUT2S BSR OUT1S OUTPUT 2 SPACES
|
| 1814 |
|
|
1341 FC81 86 20 OUT1S LDA #$20 OUTPUT 1 SPACE
|
| 1815 |
|
|
1342 *
|
| 1816 |
|
|
1343 *
|
| 1817 |
|
|
1344 * OUTCH
|
| 1818 |
|
|
1345 *
|
| 1819 |
|
|
1346 * OUTPUT CHARACTER TO TERMINAL.
|
| 1820 |
|
|
1347 * THE CHAR. TO BE OUTPUT IS
|
| 1821 |
|
|
1348 * PASSED IN THE A REGISTER.
|
| 1822 |
|
|
1349 * ALL REGISTERS ARE PRESERVED.
|
| 1823 |
|
|
1350 *
|
| 1824 |
|
|
1351 OUTCH IFD VDUOPT
|
| 1825 |
|
|
1352 BSR VOUTCH
|
| 1826 |
|
|
1353 ENDIF VDUOPT
|
| 1827 |
|
|
1353 ENDIF VDUOPT
|
| 1828 |
|
|
1354 IFD DG640OPT
|
| 1829 |
|
|
1355 FC83 8D 3B BSR VOUTCH
|
| 1830 |
|
|
1356 ENDIF DG640OPT
|
| 1831 |
|
|
1357 FC85 34 12 AOUTCH PSHS A,X SAVE A ACCUM AND IX
|
| 1832 |
|
|
1358 FC87 BE DF D0 LDX CPORT GET ADDR. OF TERMINAL
|
| 1833 |
|
|
1359 FC8A A6 84 FETSTA LDA ,X FETCH PORT STATUS
|
| 1834 |
|
|
1360 FC8C 85 02 BITA #2 TEST TDRE, OK TO XMIT ?
|
| 1835 |
|
|
1361 FC8E 27 FA BEQ FETSTA IF NOT LOOP UNTIL RDY
|
| 1836 |
|
|
1362 FC90 35 02 PULS A GET CHAR. FOR XMIT
|
| 1837 |
|
|
1363 FC92 A7 01 STA 1,X XMIT CHAR.
|
| 1838 |
|
|
1364 FC94 35 90 PULS X,PC RESTORE IX
|
| 1839 |
|
|
1365 *
|
| 1840 |
|
|
1366 * IO INITIALIZATION
|
| 1841 |
|
|
1367 *
|
| 1842 |
|
|
1368 FC96 IOINIZ EQU *
|
| 1843 |
|
|
1369 IFD VDUOPT
|
| 1844 |
|
|
1370 BSR VINIZ
|
| 1845 |
|
|
1371 ENDIF VDUOPT
|
| 1846 |
|
|
1371 ENDIF VDUOPT
|
| 1847 |
|
|
1372 IFD DG640OPT
|
| 1848 |
|
|
1373 FC96 8D 13 BSR VINIZ
|
| 1849 |
|
|
1374 ENDIF DG640OPT
|
| 1850 |
|
|
1375 FC98 BE DF D0 ACINIZ LDX CPORT POINT TO CONTROL PORT ADDRESS
|
| 1851 |
|
|
1376 FC9B 86 03 LDA #3 RESET ACIA PORT CODE
|
| 1852 |
|
|
1377 FC9D A7 84 STA ,X STORE IN CONTROL REGISTER
|
| 1853 |
|
|
1378 FC9F 86 11 LDA #$11 SET 8 DATA, 2 STOP AN 0 PARITY
|
| 1854 |
|
|
1379 FCA1 A7 84 STA ,X STORE IN CONTROL REGISTER
|
| 1855 |
|
|
1380 FCA3 6D 01 TST 1,X ANYTHING IN DATA REGISTER?
|
| 1856 |
|
|
1381 FCA5 86 FF LDA #$FF TURN ON ECHO FLAG
|
| 1857 |
|
|
1382 FCA7 B7 DF D2 STA ECHO
|
| 1858 |
|
|
1383 FCAA 39 RTS
|
| 1859 |
|
|
1384 *
|
| 1860 |
|
|
1385 IFD VDUOPT
|
| 1861 |
|
|
1386 *
|
| 1862 |
|
|
1387 ***************************************************
|
| 1863 |
|
|
1388 * VDU8 ADM3A REGISTER-MAPPED EMULATOR *
|
| 1864 |
|
|
1389 * *
|
| 1865 |
|
|
1390 * 80 x 25 Characters
|
| 1866 |
|
|
1391 *
|
| 1867 |
|
|
1392 ***************************************************
|
| 1868 |
|
|
1393 *
|
| 1869 |
|
|
1394 ***************************************************
|
| 1870 |
|
|
1395 * INITIALIZE EMULATOR *
|
| 1871 |
|
|
1396 ***************************************************
|
| 1872 |
|
|
1397 *
|
| 1873 |
|
|
1398 VINIZ LDX #VDU
|
| 1874 |
|
|
1399 LDD #0
|
| 1875 |
|
|
1400 STD COLADX AND ROWADX
|
| 1876 |
|
|
1401 STA VDUCOL,X
|
| 1877 |
|
|
1402 STB VDUROW,X
|
| 1878 |
|
|
1403 STB VDUOFF,X
|
| 1879 |
|
|
1404 STD NEWROW AND ESCFLG
|
| 1880 |
|
|
1405 LDB #$02
|
| 1881 |
|
|
1406 STB VDUATT,X
|
| 1882 |
|
|
1407 CLR ESCFLG
|
| 1883 |
|
|
1408 LDA #$1B SEND ESCAPE
|
| 1884 |
|
|
1409 BSR VOUTCH
|
| 1885 |
|
|
1410 LDA #'Y CLEAR TO END OF SCREEN
|
| 1886 |
|
|
1411 *
|
| 1887 |
|
|
1412 ** VIDEO OUTPUT ROUTINE
|
| 1888 |
|
|
1413 *
|
| 1889 |
|
|
1414 VOUTCH PSHS A,B,X SAVE REGISTERS
|
| 1890 |
|
|
1415 LDX #VDU POINT TO VDU REGISTERS
|
| 1891 |
|
|
1416 *
|
| 1892 |
|
|
1417 ** CHECK FOR ESCAPE SEQUENCE
|
| 1893 |
|
|
1418 *
|
| 1894 |
|
|
1419 TST ESCFLG ESCAPE ACTIVE?
|
| 1895 |
|
|
1420 BEQ SOROU1 BRANCH IF NOT
|
| 1896 |
|
|
1421 BSR ESCAPE ELSE DO ESCAPE
|
| 1897 |
|
|
1422 BRA RETURN AND RETURN
|
| 1898 |
|
|
1423 *
|
| 1899 |
|
|
1424 ** CHECK FOR CONTROL CHARACTERS
|
| 1900 |
|
|
1425 *
|
| 1901 |
|
|
1426 SOROU1 CMPA #$20 CONTROL CODES?
|
| 1902 |
|
|
1427 BHS SOROU2
|
| 1903 |
|
|
1428 BSR CONTRL BRANCH IF SO
|
| 1904 |
|
|
1429 BRA RETURN
|
| 1905 |
|
|
1430 *
|
| 1906 |
|
|
1431 ** OUTPUT TEXT CHARACTER
|
| 1907 |
|
|
1432 *
|
| 1908 |
|
|
1433 SOROU2 STAA VDUCHR,X DISPLAY CHARACTER
|
| 1909 |
|
|
1434 LBSR NEWCOL UPDATE COLUMN
|
| 1910 |
|
|
1435 *
|
| 1911 |
|
|
1436 ** DISPLAY CURSOR AND RETURN
|
| 1912 |
|
|
1437 *
|
| 1913 |
|
|
1438 RETURN PULS A,B,X,PC RESTORE REGISTERS AND RETURN
|
| 1914 |
|
|
1439 *
|
| 1915 |
|
|
1440 ***************************************************
|
| 1916 |
|
|
1441 * CONTROL CODE HANDLERS *
|
| 1917 |
|
|
1442 ***************************************************
|
| 1918 |
|
|
1443 *
|
| 1919 |
|
|
1444 CONTRL CMPA #$08 CTRL H - BACKSPACE ?
|
| 1920 |
|
|
1445 LBEQ BACKSP
|
| 1921 |
|
|
1446 CMPA #$1B ESCAPE SEQUENCE?
|
| 1922 |
|
|
1447 LBEQ SETESC
|
| 1923 |
|
|
1448 CMPA #$1A CTRL Z - Clear Screen
|
| 1924 |
|
|
1449 LBEQ CLRSCR
|
| 1925 |
|
|
1450 CMPA #$16 CTRL ^ - Home
|
| 1926 |
|
|
1451 LBEQ HOME
|
| 1927 |
|
|
1452 CMPA #$D CTRL M - RETURN?
|
| 1928 |
|
|
1453 LBEQ CRETN
|
| 1929 |
|
|
1454 CMPA #$0C CTRL L - CHAR RIGHT
|
| 1930 |
|
|
1455 LBEQ CHRIGHT
|
| 1931 |
|
|
1456 CMPA #$0B CTRL K - MOVE UP ONE LINE
|
| 1932 |
|
|
1457 LBEQ LINEUP
|
| 1933 |
|
|
1458 CMPA #$0A CTRL J - LINE FEED
|
| 1934 |
|
|
1459 BNE RETESC NONE OF THESE, RETURN
|
| 1935 |
|
|
1460 *
|
| 1936 |
|
|
1461 ***************************************** LINE FEED
|
| 1937 |
|
|
1462 *
|
| 1938 |
|
|
1463 LINEFD LDD COLADX GET CURRENT COLUMN AND ROW
|
| 1939 |
|
|
1464 INCB BUMP ROW
|
| 1940 |
|
|
1465 CMPB #NUMLIN SCROLL TIME?
|
| 1941 |
|
|
1466 LBNE NEWCUR POSITION CURSOR IF NOT
|
| 1942 |
|
|
1467 LBRA SCROLL ELSE SCROLL IT
|
| 1943 |
|
|
1468 *
|
| 1944 |
|
|
1469 ***************************************** LINE FEED
|
| 1945 |
|
|
1470 *
|
| 1946 |
|
|
1471 LINEUP LDD COLADX GET CURRENT COLUMN AND ROW
|
| 1947 |
|
|
1472 TSTB AT TOP OF SCREEN ?
|
| 1948 |
|
|
1473 LBEQ RETESC Yes, Ignore
|
| 1949 |
|
|
1474 DECB No, Decrement ROW
|
| 1950 |
|
|
1475 LBRA NEWCUR POSITION CURSOR
|
| 1951 |
|
|
1476 *
|
| 1952 |
|
|
1477 *********************************** BACK SPACE
|
| 1953 |
|
|
1478 *
|
| 1954 |
|
|
1479 BACKSP LDA COLADX
|
| 1955 |
|
|
1480 BEQ RETESC RETURN
|
| 1956 |
|
|
1481 DECA
|
| 1957 |
|
|
1482 LBRA POSCOL POSITION CURSOR
|
| 1958 |
|
|
1483 *
|
| 1959 |
|
|
1484 *********************************** CURSOR RIGHT
|
| 1960 |
|
|
1485 *
|
| 1961 |
|
|
1486 CHRIGHT LDA COLADX
|
| 1962 |
|
|
1487 INCA
|
| 1963 |
|
|
1488 CMPA #LINLEN
|
| 1964 |
|
|
1489 LBEQ RETESC
|
| 1965 |
|
|
1490 LBRA POSCOL
|
| 1966 |
|
|
1491 *
|
| 1967 |
|
|
1492 *********************************** CURSOR RIGHT
|
| 1968 |
|
|
1493 *
|
| 1969 |
|
|
1494 HOME LDD #0 HOME - POSITION TOP OF SCREEN
|
| 1970 |
|
|
1495 LBRA NEWCUR
|
| 1971 |
|
|
1496 *
|
| 1972 |
|
|
1497 ***************************************************
|
| 1973 |
|
|
1498 * ESCAPE HANDLERS *
|
| 1974 |
|
|
1499 ***************************************************
|
| 1975 |
|
|
1500 *
|
| 1976 |
|
|
1501 ESCAPE LDAB ESCFLG GET FLAG
|
| 1977 |
|
|
1502 CMPB #'= SETTING CURSOR?
|
| 1978 |
|
|
1503 BEQ ESCCUR BRANCH IF SO
|
| 1979 |
|
|
1504 CMPA #'Y CLEAR TO END OF SCREEN?
|
| 1980 |
|
|
1505 LBEQ ESCCLS
|
| 1981 |
|
|
1506 CMPA #'T CLEAR TO END OF LINE?
|
| 1982 |
|
|
1507 BEQ ESCCLL
|
| 1983 |
|
|
1508 CMPA #'= STARTING CURSOR SET?
|
| 1984 |
|
|
1509 BNE CLRESC BRANCH IF NOT
|
| 1985 |
|
|
1510 *
|
| 1986 |
|
|
1511 ***************************** START ESCAPE SEQUENCE
|
| 1987 |
|
|
1512 *
|
| 1988 |
|
|
1513 SETESC STAA ESCFLG ELSE START CURSORING
|
| 1989 |
|
|
1514 RTS AND RETURN
|
| 1990 |
|
|
1515 *
|
| 1991 |
|
|
1516 CLRESC CLR ESCFLG NO OTHERS SUPPORTED
|
| 1992 |
|
|
1517 RETESC RTS SO RETURN
|
| 1993 |
|
|
1518 *
|
| 1994 |
|
|
1519 ********************************* SET SCREEN CURSOR
|
| 1995 |
|
|
1520 *
|
| 1996 |
|
|
1521 ESCCUR TST NEWROW ROW SET?
|
| 1997 |
|
|
1522 BNE ESCCU1 BRANCH IF SO
|
| 1998 |
|
|
1523 STAA NEWROW ELSE SET NEW ROW
|
| 1999 |
|
|
1524 RTS AND RETURN
|
| 2000 |
|
|
1525 *
|
| 2001 |
|
|
1526 ESCCU1 CLR ESCFLG
|
| 2002 |
|
|
1527 SUBA #$20 ADJUST COLUMN ADDRESS
|
| 2003 |
|
|
1528 CMPA #LINLEN-1 CHECK FOR ACCEPTABLE COLUM
|
| 2004 |
|
|
1529 BHI RETESC NOT OK, DO NOTHING
|
| 2005 |
|
|
1530 *
|
| 2006 |
|
|
1531 ESCCU2 LDAB NEWROW
|
| 2007 |
|
|
1532 CLR NEWROW
|
| 2008 |
|
|
1533 SUBB #$20 ADJUST TO ROW ADDRESS
|
| 2009 |
|
|
1534 CMPB #NUMLIN-1 CHECK FOR ACCEPTABLE ROW
|
| 2010 |
|
|
1535 BHI RETESC ELSE RETURN DOING NOTHING
|
| 2011 |
|
|
1536 BRA NEWCUR GO SET NEW CURSOR IF SO
|
| 2012 |
|
|
1537 *
|
| 2013 |
|
|
1538 ****************** CLEAR FROM CURSOR TO END OF LINE
|
| 2014 |
|
|
1539 CLRSCR LDD #0 CLEAR FROM TOP OF SCREEN
|
| 2015 |
|
|
1540 BSR NEWCUR
|
| 2016 |
|
|
1541 ESCCLL LDA COLADX
|
| 2017 |
|
|
1542 LDB #$20 AND CLEAR CHAR
|
| 2018 |
|
|
1543 ESCCL1 STB VDUCHR,X DISPLAY TEXT
|
| 2019 |
|
|
1544 INCA
|
| 2020 |
|
|
1545 STA VDUCOL,X
|
| 2021 |
|
|
1546 CMPA #LINLEN UNTIL END OF LINE
|
| 2022 |
|
|
1547 BNE ESCCL1
|
| 2023 |
|
|
1548 CLR ESCFLG
|
| 2024 |
|
|
1549 RTS
|
| 2025 |
|
|
1550 *
|
| 2026 |
|
|
1551 *********************************** CARRIAGE RETURN
|
| 2027 |
|
|
1552 *
|
| 2028 |
|
|
1553 CRETN CLRA SET COLUMN ZERO
|
| 2029 |
|
|
1554 POSCOL LDB ROWADX GET CURRENT ROW
|
| 2030 |
|
|
1555 *
|
| 2031 |
|
|
1556 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
| 2032 |
|
|
1557 *
|
| 2033 |
|
|
1558 NEWCUR STD COLADX SAVE NEW ROW AND COLUMN
|
| 2034 |
|
|
1559 STA VDUCOL,X SET NEW COLUMN
|
| 2035 |
|
|
1560 STB VDUROW,X SET NEW ROW
|
| 2036 |
|
|
1561 RTS AND RETURN
|
| 2037 |
|
|
1562 *
|
| 2038 |
|
|
1563 ********************* UPDATE CURRENT COLUMN AND ROW
|
| 2039 |
|
|
1564 *
|
| 2040 |
|
|
1565 NEWCOL LDD COLADX GET ROW AND COLUMN
|
| 2041 |
|
|
1566 INCA BUMP COLUMN
|
| 2042 |
|
|
1567 CMPA #LINLEN ROLL?
|
| 2043 |
|
|
1568 BNE NEWCUR BRANCH IF NOT
|
| 2044 |
|
|
1569 CLRA ELSE RESET TO ZERO
|
| 2045 |
|
|
1570 INCB AND BUMP ROW
|
| 2046 |
|
|
1571 CMPB #NUMLIN
|
| 2047 |
|
|
1572 BNE NEWCUR
|
| 2048 |
|
|
1573 DECB BOTTOM ROW
|
| 2049 |
|
|
1574 BSR NEWCUR
|
| 2050 |
|
|
1575 *
|
| 2051 |
|
|
1576 ********************************* SCROLL THE SCREEN
|
| 2052 |
|
|
1577 *
|
| 2053 |
|
|
1578 SCROLL LDB VDUOFF,X
|
| 2054 |
|
|
1579 INCB
|
| 2055 |
|
|
1580 CMPB #NUMLIN
|
| 2056 |
|
|
1581 BLO SCROL1
|
| 2057 |
|
|
1582 CLRB
|
| 2058 |
|
|
1583 SCROL1 STB VDUOFF,X
|
| 2059 |
|
|
1584 *
|
| 2060 |
|
|
1585 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
| 2061 |
|
|
1586 *
|
| 2062 |
|
|
1587 ESCCLS LDB COLADX GET CURSOR
|
| 2063 |
|
|
1588 LDA #$20 GET A SPACE
|
| 2064 |
|
|
1589 ESCCLS1 STB COLADX
|
| 2065 |
|
|
1590 STB VDUCOL,X
|
| 2066 |
|
|
1591 STA VDUCHR,X
|
| 2067 |
|
|
1592 INCB
|
| 2068 |
|
|
1593 CMPB #LINLEN
|
| 2069 |
|
|
1594 BNE ESCCLS1
|
| 2070 |
|
|
1595 *
|
| 2071 |
|
|
1596 LDB ROWADX
|
| 2072 |
|
|
1597 INCB
|
| 2073 |
|
|
1598 CMPB #NUMLIN
|
| 2074 |
|
|
1599 BEQ ESCCLS2
|
| 2075 |
|
|
1600 STB ROWADX
|
| 2076 |
|
|
1601 STB VDUROW,X
|
| 2077 |
|
|
1602 CLRB
|
| 2078 |
|
|
1603 BRA ESCCLS1
|
| 2079 |
|
|
1604 *
|
| 2080 |
|
|
1605 ESCCLS2 CLRB
|
| 2081 |
|
|
1606 STB COLADX
|
| 2082 |
|
|
1607 STB VDUCOL,X
|
| 2083 |
|
|
1608 STB ESCFLG
|
| 2084 |
|
|
1609 RTS
|
| 2085 |
|
|
1610 ENDIF VDUOPT
|
| 2086 |
|
|
1610 ENDIF VDUOPT
|
| 2087 |
|
|
1611 *
|
| 2088 |
|
|
1612 IFD DG640OPT
|
| 2089 |
|
|
1613 ***************************************************
|
| 2090 |
|
|
1614 * TELEVIDEO-TYPE MEMORY-MAPPED EMULATOR *
|
| 2091 |
|
|
1615 * *
|
| 2092 |
|
|
1616 * FOR HARD-WIRED MEMORY-MAPPED DISPLAYS USING THE *
|
| 2093 |
|
|
1617 * HIGH ORDER BIT OF EACH BYTE FOR REVERSE VIDEO *
|
| 2094 |
|
|
1618 * CURSORING (SUCH AS THE THOMAS INSTRUMENTATION *
|
| 2095 |
|
|
1619 * 16x64 BOARD). *
|
| 2096 |
|
|
1620 ***************************************************
|
| 2097 |
|
|
1621
|
| 2098 |
|
|
1622 ***************************************************
|
| 2099 |
|
|
1623 * INITIALIZE EMULATOR *
|
| 2100 |
|
|
1624 ***************************************************
|
| 2101 |
|
|
1625
|
| 2102 |
|
|
1626 FCAB 8E 00 00 VINIZ LDX #0
|
| 2103 |
|
|
1627 FCAE BF DF EB STX COLADX AND ROWADX
|
| 2104 |
|
|
1628 FCB1 BF DF EF STX NEWROW AND ESCFLG
|
| 2105 |
|
|
1629 FCB4 8E E8 00 LDX #SCREEN POINT TO SCREEN
|
| 2106 |
|
|
1630 FCB7 BF DF ED STX CURSOR SET PROGRAM CURSOR
|
| 2107 |
|
|
1631 FCBA 86 1B LDA #$1B SEND ESCAPE
|
| 2108 |
|
|
1632 FCBC 8D 02 BSR VOUTCH
|
| 2109 |
|
|
1633 FCBE 86 59 LDA #'Y CLEAR TO END OF SCREEN
|
| 2110 |
|
|
1634 *
|
| 2111 |
|
|
1635 ** VIDEO OUTPUT ROUTINE
|
| 2112 |
|
|
1636 *
|
| 2113 |
|
|
1637 FCC0 34 16 VOUTCH PSHS A,B,X SAVE REGISTERS
|
| 2114 |
|
|
1638 *
|
| 2115 |
|
|
1639 ** CLEAR CURSOR
|
| 2116 |
|
|
1640 FCC2 BE DF ED LDX CURSOR
|
| 2117 |
|
|
1641 FCC5 E6 84 LDB 0,X
|
| 2118 |
|
|
1642 FCC7 C4 7F ANDB #$7F
|
| 2119 |
|
|
1643 FCC9 E7 84 STB 0,X
|
| 2120 |
|
|
1644 *
|
| 2121 |
|
|
1645 ** CHECK FOR ESCAPE SEQUENCE
|
| 2122 |
|
|
1646 FCCB 7D DF F0 TST ESCFLG ESCAPE ACTIVE?
|
| 2123 |
|
|
1647 FCCE 27 04 BEQ SOROU1 BRANCH IF NOT
|
| 2124 |
|
|
1648 FCD0 8D 5E BSR ESCAPE ELSE DO ESCAPE
|
| 2125 |
|
|
1649 FCD2 20 10 BRA RETURN AND RETURN
|
| 2126 |
|
|
1650 *
|
| 2127 |
|
|
1651 ** CHECK FOR CONTROL CHARACTERS
|
| 2128 |
|
|
1652 FCD4 81 20 SOROU1 CMPA #$20 CONTROL CODES?
|
| 2129 |
|
|
1653 FCD6 24 04 BHS SOROU2
|
| 2130 |
|
|
1654 FCD8 8D 15 BSR CONTRL BRANCH IF SO
|
| 2131 |
|
|
1655 FCDA 20 08 BRA RETURN
|
| 2132 |
|
|
1656 *
|
| 2133 |
|
|
1657 ** OUTPUT TEXT CHARACTER
|
| 2134 |
|
|
1658 FCDC BE DF ED SOROU2 LDX CURSOR ELSE GET CURSOR
|
| 2135 |
|
|
1659 FCDF A7 84 STAA 0,X DISPLAY CHARACTER
|
| 2136 |
|
|
1660 FCE1 17 00 E9 LBSR NEWCOL UPDATE COLUMN
|
| 2137 |
|
|
1661 *
|
| 2138 |
|
|
1662 ** DISPLAY CURSOR AND RETURN
|
| 2139 |
|
|
1663 FCE4 BE DF ED RETURN LDX CURSOR AND DISPLAY IT
|
| 2140 |
|
|
1664 FCE7 E6 84 LDB ,X
|
| 2141 |
|
|
1665 FCE9 CA 80 ORAB #$80 WITH REVID
|
| 2142 |
|
|
1666 FCEB E7 84 STB ,X
|
| 2143 |
|
|
1667 FCED 35 96 PULS A,B,X,PC RESTORE REGISTERS AND RETURN
|
| 2144 |
|
|
1668
|
| 2145 |
|
|
1669 ***************************************************
|
| 2146 |
|
|
1670 * CONTROL CODE HANDLERS *
|
| 2147 |
|
|
1671 ***************************************************
|
| 2148 |
|
|
1672
|
| 2149 |
|
|
1673 FCEF 81 08 CONTRL CMPA #$08 CTRL H - BACKSPACE ?
|
| 2150 |
|
|
1674 FCF1 10 27 00 27 LBEQ BACKSP
|
| 2151 |
|
|
1675 FCF5 81 1B CMPA #$1B ESCAPE SEQUENCE?
|
| 2152 |
|
|
1676 FCF7 10 27 00 52 LBEQ SETESC
|
| 2153 |
|
|
1677 FCFB 81 0D CMPA #$D CTRL M - RETURN?
|
| 2154 |
|
|
1678 FCFD 10 27 00 B4 LBEQ CRETN
|
| 2155 |
|
|
1679 FD01 81 0A CMPA #$0A CTRL J - LINE FEED
|
| 2156 |
|
|
1680 FD03 26 4F BNE RETESC NONE OF THESE, RETURN
|
| 2157 |
|
|
1681
|
| 2158 |
|
|
1682 ***************************************** LINE FEED
|
| 2159 |
|
|
1683
|
| 2160 |
|
|
1684 FD05 FC DF EB LINEFD LDD COLADX GET CURRENT COLUMN AND ROW
|
| 2161 |
|
|
1685 FD08 5C INCB BUMP ROW
|
| 2162 |
|
|
1686 FD09 C1 10 CMPB #NUMLIN SCROLL TIME?
|
| 2163 |
|
|
1687 FD0B 10 26 00 AA LBNE NEWCUR POSITION CURSOR IF NOT
|
| 2164 |
|
|
1688 FD0F 16 00 CC LBRA SCROLL ELSE SCROLL IT
|
| 2165 |
|
|
1689
|
| 2166 |
|
|
1690 ***************************************** LINE FEED
|
| 2167 |
|
|
1691
|
| 2168 |
|
|
1692 FD12 FC DF EB LINEUP LDD COLADX GET CURRENT COLUMN AND ROW
|
| 2169 |
|
|
1693 FD15 5D TSTB AT TOP OF SCREEN ?
|
| 2170 |
|
|
1694 FD16 27 3C BEQ RETESC Yes, Ignore
|
| 2171 |
|
|
1695 FD18 5A DECB No, Decrement ROW
|
| 2172 |
|
|
1696 FD19 16 00 9D LBRA NEWCUR POSITION CURSOR
|
| 2173 |
|
|
1697
|
| 2174 |
|
|
1698
|
| 2175 |
|
|
1699 *********************************** BACK SPACE
|
| 2176 |
|
|
1700
|
| 2177 |
|
|
1701 FD1C B6 DF EB BACKSP LDA COLADX
|
| 2178 |
|
|
1702 FD1F 27 33 BEQ RETESC RETURN
|
| 2179 |
|
|
1703 FD21 4A DECA
|
| 2180 |
|
|
1704 FD22 16 00 91 LBRA POSCOL POSITION CURSOR
|
| 2181 |
|
|
1705
|
| 2182 |
|
|
1706 *********************************** CURSOR RIGHT
|
| 2183 |
|
|
1707
|
| 2184 |
|
|
1708 FD25 B6 DF EB CHRIGHT LDA COLADX
|
| 2185 |
|
|
1709 FD28 4C INCA
|
| 2186 |
|
|
1710 FD29 81 40 CMPA #LINLEN
|
| 2187 |
|
|
1711 FD2B 27 27 BEQ RETESC
|
| 2188 |
|
|
1712 FD2D 16 00 86 LBRA POSCOL
|
| 2189 |
|
|
1713
|
| 2190 |
|
|
1714 ***************************************************
|
| 2191 |
|
|
1715 * ESCAPE HANDLERS *
|
| 2192 |
|
|
1716 ***************************************************
|
| 2193 |
|
|
1717
|
| 2194 |
|
|
1718 FD30 F6 DF F0 ESCAPE LDAB ESCFLG GET FLAG
|
| 2195 |
|
|
1719 FD33 C1 3D CMPB #'= SETTING CURSOR?
|
| 2196 |
|
|
1720 FD35 27 1E BEQ ESCCUR BRANCH IF SO
|
| 2197 |
|
|
1721 FD37 81 59 CMPA #'Y CLEAR TO END OF SCREEN?
|
| 2198 |
|
|
1722 FD39 10 27 00 B8 LBEQ ESCCLS
|
| 2199 |
|
|
1723 FD3D 81 54 CMPA #'T CLEAR TO END OF LINE?
|
| 2200 |
|
|
1724 FD3F 27 5D BEQ ESCCLL
|
| 2201 |
|
|
1725 FD41 81 45 CMPA #'E INSERT LINE?
|
| 2202 |
|
|
1726 FD43 27 3B BEQ ESCINL
|
| 2203 |
|
|
1727 FD45 81 52 CMPA #'R DELETE LINE?
|
| 2204 |
|
|
1728 FD47 27 2C BEQ ESCDLL
|
| 2205 |
|
|
1729 FD49 81 3D CMPA #'= STARTING CURSOR SET?
|
| 2206 |
|
|
1730 FD4B 26 04 BNE CLRESC BRANCH IF NOT
|
| 2207 |
|
|
1731
|
| 2208 |
|
|
1732 ***************************** START ESCAPE SEQUENCE
|
| 2209 |
|
|
1733
|
| 2210 |
|
|
1734 FD4D B7 DF F0 SETESC STAA ESCFLG ELSE START CURSORING
|
| 2211 |
|
|
1735 FD50 39 RTS AND RETURN
|
| 2212 |
|
|
1736
|
| 2213 |
|
|
1737 FD51 7F DF F0 CLRESC CLR ESCFLG NO OTHERS SUPPORTED
|
| 2214 |
|
|
1738 FD54 39 RETESC RTS SO RETURN
|
| 2215 |
|
|
1739
|
| 2216 |
|
|
1740 ********************************* SET SCREEN CURSOR
|
| 2217 |
|
|
1741
|
| 2218 |
|
|
1742 FD55 7D DF EF ESCCUR TST NEWROW ROW SET?
|
| 2219 |
|
|
1743 FD58 26 04 BNE ESCCU1 BRANCH IF SO
|
| 2220 |
|
|
1744 FD5A B7 DF EF STAA NEWROW ELSE SET NEW ROW
|
| 2221 |
|
|
1745 FD5D 39 RTS AND RETURN
|
| 2222 |
|
|
1746
|
| 2223 |
|
|
1747 FD5E 7F DF F0 ESCCU1 CLR ESCFLG
|
| 2224 |
|
|
1748 FD61 80 20 SUBA #$20 ADJUST COLUMN ADDRESS
|
| 2225 |
|
|
1749 FD63 81 3F CMPA #LINLEN-1 CHECK FOR ACCEPTABLE COLUM
|
| 2226 |
|
|
1750 FD65 22 ED BHI RETESC NOT OK, DO NOTHING
|
| 2227 |
|
|
1751
|
| 2228 |
|
|
1752 FD67 F6 DF EF ESCCU2 LDAB NEWROW
|
| 2229 |
|
|
1753 FD6A 7F DF EF CLR NEWROW
|
| 2230 |
|
|
1754 FD6D C0 20 SUBB #$20 ADJUST TO ROW ADDRESS
|
| 2231 |
|
|
1755 FD6F C1 0F CMPB #NUMLIN-1 CHECK FOR ACCEPTABLE ROW
|
| 2232 |
|
|
1756 FD71 22 E1 BHI RETESC ELSE RETURN DOING NOTHING
|
| 2233 |
|
|
1757 FD73 20 44 BRA NEWCUR GO SET NEW CURSOR IF SO
|
| 2234 |
|
|
1758 *
|
| 2235 |
|
|
1759 *************************** DELETE LINE FROM SCREEN
|
| 2236 |
|
|
1760
|
| 2237 |
|
|
1761 FD75 8D 3E ESCDLL BSR CRETN GO COL. ZERO
|
| 2238 |
|
|
1762 FD77 F6 DF EC LDB ROWADX
|
| 2239 |
|
|
1763 FD7A C1 0F CMPB #NUMLIN-1
|
| 2240 |
|
|
1764 FD7C 27 7A BEQ SCROL3
|
| 2241 |
|
|
1765 FD7E 20 61 BRA SCROL1 AND DELETE THIS LINE
|
| 2242 |
|
|
1766
|
| 2243 |
|
|
1767 *************************** INSERT LINE INTO SCREEN
|
| 2244 |
|
|
1768
|
| 2245 |
|
|
1769 FD80 8D 33 ESCINL BSR CRETN GO TO COL. ZERO
|
| 2246 |
|
|
1770 FD82 F6 DF EC LDAB ROWADX
|
| 2247 |
|
|
1771 FD85 C1 0F CMPB #NUMLIN-1
|
| 2248 |
|
|
1772 FD87 27 15 BEQ ESCCLL
|
| 2249 |
|
|
1773 *
|
| 2250 |
|
|
1774 ** SCROLL SCREEN DOWN FROM CURSOR
|
| 2251 |
|
|
1775 *
|
| 2252 |
|
|
1776 FD89 8E EB C0 LDX #SCREEN+SCNLEN-LINLEN
|
| 2253 |
|
|
1777 FD8C A6 82 ESCIN0 LDAA 0,-X
|
| 2254 |
|
|
1778 FD8E A7 88 40 STAA LINLEN,X
|
| 2255 |
|
|
1779 FD91 A6 89 04 00 LDA SCNLEN,X
|
| 2256 |
|
|
1780 FD95 A7 89 04 40 STA SCNLEN+LINLEN,X
|
| 2257 |
|
|
1781 FD99 BC DF ED CPX CURSOR
|
| 2258 |
|
|
1782 FD9C 26 EE BNE ESCIN0
|
| 2259 |
|
|
1783
|
| 2260 |
|
|
1784 ****************** CLEAR FROM CURSOR TO END OF LINE
|
| 2261 |
|
|
1785
|
| 2262 |
|
|
1786 FD9E B6 DF EB ESCCLL LDA COLADX GET CURRENT COLUMN
|
| 2263 |
|
|
1787 FDA1 BE DF ED LDX CURSOR GET CURSOR
|
| 2264 |
|
|
1788 FDA4 C6 20 LDB #$20 AND CLEAR CHAR
|
| 2265 |
|
|
1789 FDA6 E7 89 04 00 ESCLL1 STB SCNLEN,X CLEAR ATTRIBUTE
|
| 2266 |
|
|
1790 FDAA E7 80 STB ,X+ CLEAR TEXT
|
| 2267 |
|
|
1791 FDAC 4C INCA
|
| 2268 |
|
|
1792 FDAD 81 40 CMPA #LINLEN UNTIL END OF LINE
|
| 2269 |
|
|
1793 FDAF 26 F5 BNE ESCLL1
|
| 2270 |
|
|
1794 FDB1 7F DF F0 CLR ESCFLG
|
| 2271 |
|
|
1795 FDB4 39 RTS
|
| 2272 |
|
|
1796
|
| 2273 |
|
|
1797 *********************************** CARRIAGE RETURN
|
| 2274 |
|
|
1798
|
| 2275 |
|
|
1799 FDB5 4F CRETN CLRA SET COLUMN ZERO
|
| 2276 |
|
|
1800 FDB6 F6 DF EC POSCOL LDB ROWADX GET CURRENT ROW
|
| 2277 |
|
|
1801
|
| 2278 |
|
|
1802 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
| 2279 |
|
|
1803
|
| 2280 |
|
|
1804 FDB9 FD DF EB NEWCUR STD COLADX SAVE NEW ROW AND COLUMN
|
| 2281 |
|
|
1805 FDBC 86 40 LDA #LINLEN ELSE ADD A LINE
|
| 2282 |
|
|
1806 FDBE 3D MUL LINLEN * ROWADX
|
| 2283 |
|
|
1807 FDBF FB DF EB ADDB COLADX
|
| 2284 |
|
|
1808 FDC2 89 00 ADCA #0
|
| 2285 |
|
|
1809 FDC4 C3 E8 00 ADDD #SCREEN ADD SCREEN BASE.
|
| 2286 |
|
|
1810 FDC7 FD DF ED STD CURSOR SAVE NEW CURSOR
|
| 2287 |
|
|
1811 FDCA 1F 01 TFR D,X GET CURSOR IN X
|
| 2288 |
|
|
1812 FDCC 39 RTS AND RETURN
|
| 2289 |
|
|
1813
|
| 2290 |
|
|
1814 ********************* UPDATE CURRENT COLUMN AND ROW
|
| 2291 |
|
|
1815
|
| 2292 |
|
|
1816 FDCD FC DF EB NEWCOL LDD COLADX GET ROW AND COLUMN
|
| 2293 |
|
|
1817 FDD0 4C INCA BUMP COLUMN
|
| 2294 |
|
|
1818 FDD1 81 40 CMPA #LINLEN ROLL?
|
| 2295 |
|
|
1819 FDD3 26 E4 BNE NEWCUR BRANCH IF NOT
|
| 2296 |
|
|
1820 FDD5 4F CLRA ELSE RESET TO ZERO
|
| 2297 |
|
|
1821 FDD6 5C INCB AND BUMP ROW
|
| 2298 |
|
|
1822 FDD7 C1 10 CMPB #NUMLIN
|
| 2299 |
|
|
1823 FDD9 26 DE BNE NEWCUR
|
| 2300 |
|
|
1824 FDDB 5A DECB BOTTOM ROW
|
| 2301 |
|
|
1825 FDDC 8D DB BSR NEWCUR
|
| 2302 |
|
|
1826
|
| 2303 |
|
|
1827 ********************************* SCROLL THE SCREEN
|
| 2304 |
|
|
1828
|
| 2305 |
|
|
1829 FDDE 8E E8 00 SCROLL LDX #SCREEN POINT TO SCREEN
|
| 2306 |
|
|
1830 FDE1 A6 89 04 40 SCROL1 LDA SCNLEN+LINLEN,X
|
| 2307 |
|
|
1831 FDE5 A7 89 04 00 STA SCNLEN,X
|
| 2308 |
|
|
1832 FDE9 A6 88 40 LDAA LINLEN,X MOVE TWO BYTES
|
| 2309 |
|
|
1833 FDEC A7 80 STAA 0,X+ UP ONE LINE
|
| 2310 |
|
|
1834 FDEE 8C EB C0 CMPX #SCREEN+SCNLEN-LINLEN
|
| 2311 |
|
|
1835 FDF1 26 EE BNE SCROL1 LOOP UNTIL DONE
|
| 2312 |
|
|
1836 FDF3 20 03 BRA SCROL3
|
| 2313 |
|
|
1837
|
| 2314 |
|
|
1838 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
| 2315 |
|
|
1839
|
| 2316 |
|
|
1840 FDF5 BE DF ED ESCCLS LDX CURSOR GET CURSOR
|
| 2317 |
|
|
1841 FDF8 86 20 SCROL3 LDAA #$20 GET A SPACE
|
| 2318 |
|
|
1842 FDFA A7 89 04 00 SCROL2 STA SCNLEN,X CLEAR ATTRIBUTES
|
| 2319 |
|
|
1843 FDFE A7 80 STA ,X+ AND TEXT
|
| 2320 |
|
|
1844 FE00 8C EC 00 CMPX #SCREEN+SCNLEN
|
| 2321 |
|
|
1845 FE03 26 F5 BNE SCROL2 UNTIL DONE
|
| 2322 |
|
|
1846 FE05 7F DF F0 CLR ESCFLG
|
| 2323 |
|
|
1847 FE08 39 RTS
|
| 2324 |
|
|
1848 ENDIF DG640OPT
|
| 2325 |
|
|
1849 *
|
| 2326 |
|
|
1850 IFD PRTOPT
|
| 2327 |
|
|
1851 *************************************
|
| 2328 |
|
|
1852 *
|
| 2329 |
|
|
1853 ** PRINTER DRIVER ROUTINES
|
| 2330 |
|
|
1854 *
|
| 2331 |
|
|
1855 *************************************
|
| 2332 |
|
|
1856 *
|
| 2333 |
|
|
1857 ** PINIZ - INITIATE PRINTER PORT
|
| 2334 |
|
|
1858 *
|
| 2335 |
|
|
1859 FE09 34 04 PINIZ PSHS B
|
| 2336 |
|
|
1860 FE0B CC 0C 04 LDD #DIRMSK*256+$04 ACCA=DIRMSK ACCB=$04
|
| 2337 |
|
|
1861 FE0E FD E4 04 STD PADATA SET DDR AND SELECT DATA
|
| 2338 |
|
|
1862 *
|
| 2339 |
|
|
1863 ** RESET PRINTER
|
| 2340 |
|
|
1864 FE11 C6 04 LDB #PRESET
|
| 2341 |
|
|
1865 FE13 F7 E4 04 STAB PADATA
|
| 2342 |
|
|
1866 FE16 5C RESTLP INCB DELAY FOR RESET
|
| 2343 |
|
|
1867 FE17 26 FD BNE RESTLP
|
| 2344 |
|
|
1868 FE19 B7 E4 04 STAA PADATA ACCA=DIRMSK
|
| 2345 |
|
|
1869 *
|
| 2346 |
|
|
1870 ** INITALIZE PORT B (DATA PORT)
|
| 2347 |
|
|
1871 FE1C 86 2A LDAA #$2A
|
| 2348 |
|
|
1872 FE1E B7 E4 07 STAA PBCTRL
|
| 2349 |
|
|
1873 FE21 CC FF 2E LDD #$FF2E ACCA=$FF ACCB =%00101110
|
| 2350 |
|
|
1874 FE24 FD E4 06 STD PBDATA PBDREG PBCTRL
|
| 2351 |
|
|
1875 *
|
| 2352 |
|
|
1876 ** SELECT 66 LINES/PAGE
|
| 2353 |
|
|
1877 FE27 86 1B LDAA #$1B
|
| 2354 |
|
|
1878 FE29 8D 08 BSR POUTCH
|
| 2355 |
|
|
1879 FE2B 86 43 LDAA #'C
|
| 2356 |
|
|
1880 FE2D 8D 04 BSR POUTCH
|
| 2357 |
|
|
1881 FE2F 86 42 LDAA #66
|
| 2358 |
|
|
1882 FE31 35 04 PULS B
|
| 2359 |
|
|
1883 *************************************
|
| 2360 |
|
|
1884 *
|
| 2361 |
|
|
1885 ** OUTPUT A CHARACTER TO THE PRINTER
|
| 2362 |
|
|
1886 *
|
| 2363 |
|
|
1887 *************************************
|
| 2364 |
|
|
1888 FE33 34 04 POUTCH PSHS B
|
| 2365 |
|
|
1889 FE35 F6 E4 06 LDAB PBDATA CLEAR INTERRUPT BIT
|
| 2366 |
|
|
1890 *
|
| 2367 |
|
|
1891 ** WAIT TILL NOT BUSY
|
| 2368 |
|
|
1892 FE38 F6 E4 04 BUSYLP LDAB PADATA
|
| 2369 |
|
|
1893 FE3B C5 10 BITB #PERROR
|
| 2370 |
|
|
1894 FE3D 27 06 BEQ PEXIT
|
| 2371 |
|
|
1895 FE3F 5D TSTB
|
| 2372 |
|
|
1896 FE40 2B F6 BMI BUSYLP
|
| 2373 |
|
|
1897 *
|
| 2374 |
|
|
1898 ** NOW OUTPUT CHARACTER
|
| 2375 |
|
|
1899 FE42 B7 E4 06 STAA PBDATA
|
| 2376 |
|
|
1900 FE45 35 84 PEXIT PULS B,PC
|
| 2377 |
|
|
1901 *************************************
|
| 2378 |
|
|
1902 *
|
| 2379 |
|
|
1903 ** PCHK TEST IFD PRINTER READY
|
| 2380 |
|
|
1904 *
|
| 2381 |
|
|
1905 *************************************
|
| 2382 |
|
|
1906 FE47 7D E4 07 PCHK TST PBCTRL TEST STATE OF CRB7
|
| 2383 |
|
|
1907 FE4A 39 RTS SET ON ACKNOWLEDGE
|
| 2384 |
|
|
1908 ENDIF PRTOPT
|
| 2385 |
|
|
1909 *************************************
|
| 2386 |
|
|
1910 *
|
| 2387 |
|
|
1911 * MONITOR KEYBOARD COMMAND JUMP TABLE
|
| 2388 |
|
|
1912 *
|
| 2389 |
|
|
1913 *************************************
|
| 2390 |
|
|
1914 *
|
| 2391 |
|
|
1915 FE4B JMPTAB EQU *
|
| 2392 |
|
|
1916 FE4B 01 FCB 1 " ^A "
|
| 2393 |
|
|
1917 FE4C FB 3D FDB ALTRA
|
| 2394 |
|
|
1918 FE4E 02 FCB 2 " ^B "
|
| 2395 |
|
|
1919 FE4F FB 32 FDB ALTRB
|
| 2396 |
|
|
1920 FE51 03 FCB 3 " ^C "
|
| 2397 |
|
|
1921 FE52 FB 48 FDB ALTRCC
|
| 2398 |
|
|
1922 FE54 04 FCB 4 " ^D "
|
| 2399 |
|
|
1923 FE55 FB 27 FDB ALTRDP
|
| 2400 |
|
|
1924 FE57 10 FCB $10 " ^P "
|
| 2401 |
|
|
1925 FE58 FA FA FDB ALTRPC
|
| 2402 |
|
|
1926 FE5A 15 FCB $15 " ^U "
|
| 2403 |
|
|
1927 FE5B FB 06 FDB ALTRU
|
| 2404 |
|
|
1928 FE5D 18 FCB $18 " ^X "
|
| 2405 |
|
|
1929 FE5E FB 1C FDB ALTRX
|
| 2406 |
|
|
1930 FE60 19 FCB $19 " ^Y "
|
| 2407 |
|
|
1931 FE61 FB 11 FDB ALTRY
|
| 2408 |
|
|
1932 *
|
| 2409 |
|
|
1933 FE63 42 FCC 'B'
|
| 2410 |
|
|
1934 FE64 F9 51 FDB BRKPNT
|
| 2411 |
|
|
1935 FE66 45 FCC 'E'
|
| 2412 |
|
|
1936 FE67 F8 F2 FDB MEMDUMP
|
| 2413 |
|
|
1937 FE69 47 FCC 'G'
|
| 2414 |
|
|
1938 FE6A F8 9A FDB GO
|
| 2415 |
|
|
1939 FE6C 4C FCC 'L'
|
| 2416 |
|
|
1940 FE6D FA 27 FDB LOAD
|
| 2417 |
|
|
1941 FE6F 50 FCC 'P'
|
| 2418 |
|
|
1942 FE70 FA 85 FDB PUNCH
|
| 2419 |
|
|
1943 FE72 4D FCC 'M'
|
| 2420 |
|
|
1944 FE73 F8 9D FDB MEMCHG
|
| 2421 |
|
|
1945 FE75 52 FCC 'R'
|
| 2422 |
|
|
1946 FE76 FB B6 FDB REGSTR
|
| 2423 |
|
|
1947 FE78 53 FCC 'S'
|
| 2424 |
|
|
1948 FE79 F8 E6 FDB DISSTK
|
| 2425 |
|
|
1949 FE7B 58 FCC 'X'
|
| 2426 |
|
|
1950 FE7C F9 7D FDB XBKPNT
|
| 2427 |
|
|
1951 IFD MFDCOPT
|
| 2428 |
|
|
1952 FE7E 44 FCC 'D' *** SWTPC USES 'U' FOR MINIBOOT
|
| 2429 |
|
|
1953 FE7F F9 CA FDB MINBOOT
|
| 2430 |
|
|
1954 ENDIF MFDCOPT
|
| 2431 |
|
|
1955 IFD CF8OPT
|
| 2432 |
|
|
1956 FCC 'D' *** FPGA 8 BIT USES 'D' FOR CFBOOT
|
| 2433 |
|
|
1957 FDB CFBOOT
|
| 2434 |
|
|
1958 ENDIF CF8OPT
|
| 2435 |
|
|
1958 ENDIF CF8OPT
|
| 2436 |
|
|
1959 IFD IDEOPT
|
| 2437 |
|
|
1960 FCC 'D' *** XESS FPGA 16 BIT IDE USES 'D' FOR IDEBOOT
|
| 2438 |
|
|
1961 FDB IDEBOOT
|
| 2439 |
|
|
1962 ENDIF IDEOPT
|
| 2440 |
|
|
1962 ENDIF IDEOPT
|
| 2441 |
|
|
1963 IFD DMAFOPT
|
| 2442 |
|
|
1964 FCC 'U' *** SWTPC USES 'D' FOR DMAF2 BOOT
|
| 2443 |
|
|
1965 FDB DBOOT
|
| 2444 |
|
|
1966 ENDIF DMAFOPT
|
| 2445 |
|
|
1966 ENDIF DMAFOPT
|
| 2446 |
|
|
1967 IFD EXTOPT
|
| 2447 |
|
|
1968 FCC 'U' *** IF FPGA, 'U' IS FOR USER
|
| 2448 |
|
|
1969 FDB USRCMD
|
| 2449 |
|
|
1970 ENDIF EXTOPT
|
| 2450 |
|
|
1970 ENDIF EXTOPT
|
| 2451 |
|
|
1971 IFD RTCOPT
|
| 2452 |
|
|
1972 FCC 'T'
|
| 2453 |
|
|
1973 FDB TIMSET
|
| 2454 |
|
|
1974 ENDIF RTCOPT
|
| 2455 |
|
|
1974 ENDIF RTCOPT
|
| 2456 |
|
|
1975 IFD TRAOPT
|
| 2457 |
|
|
1976 FCC "T"
|
| 2458 |
|
|
1977 FDB TRACE
|
| 2459 |
|
|
1978 ENDIF TRAOPT
|
| 2460 |
|
|
1978 ENDIF TRAOPT
|
| 2461 |
|
|
1979 *
|
| 2462 |
|
|
1980 FE81 TABEND EQU *
|
| 2463 |
|
|
1981 *
|
| 2464 |
|
|
1982 * ** 6809 VECTOR ADDRESSES **
|
| 2465 |
|
|
1983 *
|
| 2466 |
|
|
1984 * FOLLOWING ARE THE ADDRESSES OF THE VECTOR ROUTINES
|
| 2467 |
|
|
1985 * FOR THE 6809 PROCESSOR. DURING INITIALIZATION THEY
|
| 2468 |
|
|
1986 * ARE RELOCATED TO RAM FROM $DFC0 TO $DFCF. THEY ARE
|
| 2469 |
|
|
1987 * RELOCATED TO RAM SO THAT THE USER MAY REVECTOR TO
|
| 2470 |
|
|
1988 * HIS OWN ROUTINES IF HE SO DESIRES.
|
| 2471 |
|
|
1989 *
|
| 2472 |
|
|
1990 *
|
| 2473 |
|
|
1991 FE81 F9 89 RAMVEC FDB SWIE USER-V
|
| 2474 |
|
|
1992 FE83 F8 9C FDB RTI SWI3-V
|
| 2475 |
|
|
1993 FE85 F8 9C FDB RTI SWI2-V
|
| 2476 |
|
|
1994 FE87 F8 9C FDB RTI FIRQ-V
|
| 2477 |
|
|
1995 FE89 F8 9C FDB RTI IRQ-V
|
| 2478 |
|
|
1996 FE8B F9 89 FDB SWIE SWI-V
|
| 2479 |
|
|
1997 FE8D FF FF FDB $FFFF SVC-VO
|
| 2480 |
|
|
1998 FE8F FF FF FDB $FFFF SVC-VL
|
| 2481 |
|
|
1999 *
|
| 2482 |
|
|
2000 * PRINTABLE MESSAGE STRINGS
|
| 2483 |
|
|
2001 *
|
| 2484 |
|
|
2002 FE91 0D 0A 00 00 00 MSG1 FCB $D,$A,$0,$0,$0 * 0, CR/LF, 0
|
| 2485 |
|
|
2003 FE96 53 59 53 30 39 42 FCC 'SYS09BUG 1.4 FOR '
|
| 2486 |
|
|
55 47 20 31 2E 34
|
| 2487 |
|
|
20 46 4F 52 20
|
| 2488 |
|
|
2004 IFD S3EOPT
|
| 2489 |
|
|
2005 FCC 'S3E '
|
| 2490 |
|
|
2006 ENDIF S3EOPT
|
| 2491 |
|
|
2006 ENDIF S3EOPT
|
| 2492 |
|
|
2007 IFD B5XOPT
|
| 2493 |
|
|
2008 FCC 'B5-X300 '
|
| 2494 |
|
|
2009 ENDIF B5XOPT
|
| 2495 |
|
|
2009 ENDIF B5XOPT
|
| 2496 |
|
|
2010 IFD S3SOPT
|
| 2497 |
|
|
2011 FCC 'S3STARTER '
|
| 2498 |
|
|
2012 ENDIF S3SOPT
|
| 2499 |
|
|
2012 ENDIF S3SOPT
|
| 2500 |
|
|
2013 IFD ADSOPT
|
| 2501 |
|
|
2014 FEA7 41 44 53 36 38 30 FCC 'ADS6809 '
|
| 2502 |
|
|
39 20
|
| 2503 |
|
|
2015 ENDIF ADSOPT
|
| 2504 |
|
|
2016 IFD SWTOPT`
|
| 2505 |
|
|
2017 FCC 'SWTPC '
|
| 2506 |
|
|
2018 ENDIF SWTOPT
|
| 2507 |
|
|
2018 ENDIF SWTOPT
|
| 2508 |
|
|
2019 IFD XESOPT`
|
| 2509 |
|
|
2020 FCC 'XESS '
|
| 2510 |
|
|
2021 ENDIF XESOPT
|
| 2511 |
|
|
2021 ENDIF XESOPT
|
| 2512 |
|
|
2022 FEAF 20 2D 20 FCC ' - '
|
| 2513 |
|
|
2023 FEB2 04 FCB 4
|
| 2514 |
|
|
2024 FEB3 4B 0D 0A 00 00 00 MSG2 FCB 'K,$D,$A,$00,$00,$00,$04 K, * CR/LF + 3 NULS
|
| 2515 |
|
|
04
|
| 2516 |
|
|
2025 FEBA 3E MSG3 FCC '>'
|
| 2517 |
|
|
2026 FEBB 04 FCB 4
|
| 2518 |
|
|
2027 FEBC 57 48 41 54 3F MSG4 FCC 'WHAT?'
|
| 2519 |
|
|
2028 FEC1 04 FCB 4
|
| 2520 |
|
|
2029 FEC2 20 2D 20 MSG5 FCC ' - '
|
| 2521 |
|
|
2030 FEC5 04 FCB 4'
|
| 2522 |
|
|
2031 FEC6 20 20 53 50 3D MSG10 FCC ' SP='
|
| 2523 |
|
|
2032 FECB 04 FCB 4
|
| 2524 |
|
|
2033 FECC 20 20 50 43 3D MSG11 FCC ' PC='
|
| 2525 |
|
|
2034 FED1 04 FCB 4
|
| 2526 |
|
|
2035 FED2 20 20 55 53 3D MSG12 FCC ' US='
|
| 2527 |
|
|
2036 FED7 04 FCB 4
|
| 2528 |
|
|
2037 FED8 20 20 49 59 3D MSG13 FCC ' IY='
|
| 2529 |
|
|
2038 FEDD 04 FCB 4
|
| 2530 |
|
|
2039 FEDE 20 20 49 58 3D MSG14 FCC ' IX='
|
| 2531 |
|
|
2040 FEE3 04 FCB 4
|
| 2532 |
|
|
2041 FEE4 20 20 44 50 3D MSG15 FCC ' DP='
|
| 2533 |
|
|
2042 FEE9 04 FCB 4
|
| 2534 |
|
|
2043 FEEA 20 20 41 3D MSG16 FCC ' A='
|
| 2535 |
|
|
2044 FEEE 04 FCB 4
|
| 2536 |
|
|
2045 FEEF 20 20 42 3D MSG17 FCC ' B='
|
| 2537 |
|
|
2046 FEF3 04 FCB 4
|
| 2538 |
|
|
2047 FEF4 20 20 43 43 3A 20 MSG18 FCC ' CC: '
|
| 2539 |
|
|
2048 FEFA 04 FCB 4
|
| 2540 |
|
|
2049 FEFB 45 46 48 49 4E 5A MSG19 FCC 'EFHINZVC'
|
| 2541 |
|
|
56 43
|
| 2542 |
|
|
2050 FF03 53 31 MSG20 FCC 'S1'
|
| 2543 |
|
|
2051 FF05 04 FCB 4
|
| 2544 |
|
|
2052 IFD DATOPT
|
| 2545 |
|
|
2053 *
|
| 2546 |
|
|
2054 * POWER UP/ RESET/ NMI ENTRY POINT
|
| 2547 |
|
|
2055 *
|
| 2548 |
|
|
2056 ORG $FF00
|
| 2549 |
|
|
2057 *
|
| 2550 |
|
|
2058 *
|
| 2551 |
|
|
2059 START LDX #IC11 POINT TO DAT RAM IC11
|
| 2552 |
|
|
2060 LDA #$F GET COMPLIMENT OF ZERO
|
| 2553 |
|
|
2061 *
|
| 2554 |
|
|
2062 *
|
| 2555 |
|
|
2063 * INITIALIZE DAT RAM --- LOADS $F-$0 IN LOCATIONS $0-$F
|
| 2556 |
|
|
2064 * OF DAT RAM, THUS STORING COMPLEMENT OF MSB OF ADDRESS
|
| 2557 |
|
|
2065 * IN THE DAT RAM. THE COMPLEMENT IS REQUIRED BECAUSE THE
|
| 2558 |
|
|
2066 * OUTPUT OF IC11, A 74S189, IS THE INVERSE OF THE DATA
|
| 2559 |
|
|
2067 * STORED IN IT.
|
| 2560 |
|
|
2068 *
|
| 2561 |
|
|
2069 *
|
| 2562 |
|
|
2070 DATLP STA ,X+ STORE & POINT TO NEXT RAM LOCATION
|
| 2563 |
|
|
2071 DECA GET COMP. VALUE FOR NEXT LOCATION
|
| 2564 |
|
|
2072 BNE DATLP ALL 16 LOCATIONS INITIALIZED ?
|
| 2565 |
|
|
2073 *
|
| 2566 |
|
|
2074 * NOTE: IX NOW CONTAINS $0000, DAT RAM IS NO LONGER
|
| 2567 |
|
|
2075 * ADDRESSED, AND LOGICAL ADDRESSES NOW EQUAL
|
| 2568 |
|
|
2076 * PHYSICAL ADDRESSES.
|
| 2569 |
|
|
2077 *
|
| 2570 |
|
|
2078 LDA #$F0
|
| 2571 |
|
|
2079 STA ,X STORE $F0 AT $FFFF
|
| 2572 |
|
|
2080 LDX #$D0A0 ASSUME RAM TO BE AT $D000-$DFFF
|
| 2573 |
|
|
2081 LDY #TSTPAT LOAD TEST DATA PATTERN INTO "Y"
|
| 2574 |
|
|
2082 TSTRAM LDU ,X SAVE DATA FROM TEST LOCATION
|
| 2575 |
|
|
2083 STY ,X STORE TEST PATTERN AT $D0A0
|
| 2576 |
|
|
2084 CMPY ,X IS THERE RAM AT THIS LOCATION ?
|
| 2577 |
|
|
2085 BEQ CNVADR IF MATCH THERE'S RAM, SO SKIP
|
| 2578 |
|
|
2086 LEAX -$1000,X ELSE POINT 4K LOWER
|
| 2579 |
|
|
2087 CMPX #$F0A0 DECREMENTED PAST ZER0 YET ?
|
| 2580 |
|
|
2088 BNE TSTRAM IF NOT CONTINUE TESTING FOR RAM
|
| 2581 |
|
|
2089 BRA START ELSE START ALL OVER AGAIN
|
| 2582 |
|
|
2090 *
|
| 2583 |
|
|
2091 *
|
| 2584 |
|
|
2092 * THE FOLLOWING CODE STORES THE COMPLEMENT OF
|
| 2585 |
|
|
2093 * THE MS CHARACTER OF THE FOUR CHARACTER HEX
|
| 2586 |
|
|
2094 * ADDRESS OF THE FIRST 4K BLOCK OF RAM LOCATED
|
| 2587 |
|
|
2095 * BY THE ROUTINE "TSTRAM" INTO THE DAT RAM. IT
|
| 2588 |
|
|
2096 * IS STORED IN RAM IN THE LOCATION THAT IS
|
| 2589 |
|
|
2097 * ADDRESSED WHEN THE PROCESSOR ADDRESS IS $D---,
|
| 2590 |
|
|
2098 * THUS IF THE FIRST 4K BLOCK OF RAM IS FOUND
|
| 2591 |
|
|
2099 * WHEN TESTING LOCATION $70A0, MEANING THERE
|
| 2592 |
|
|
2100 * IS NO RAM PHYSICALLY ADDRESSED IN THE RANGE
|
| 2593 |
|
|
2101 * $8000-$DFFF, THEN THE COMPLEMENT OF THE
|
| 2594 |
|
|
2102 * "7" IN THE $70A0 WILL BE STORED IN
|
| 2595 |
|
|
2103 * THE DAT RAM. THUS WHEN THE PROCESSOR OUTPUTS
|
| 2596 |
|
|
2104 * AN ADDRESS OF $D---, THE DAT RAM WILL RESPOND
|
| 2597 |
|
|
2105 * BY RECOMPLEMENTING THE "7" AND OUTPUTTING THE
|
| 2598 |
|
|
2106 * 7 ONTO THE A12-A15 ADDRESS LINES. THUS THE
|
| 2599 |
|
|
2107 * RAM THAT IS PHYSICALLY ADDRESSED AT $7---
|
| 2600 |
|
|
2108 * WILL RESPOND AND APPEAR TO THE 6809 THAT IT
|
| 2601 |
|
|
2109 * IS AT $D--- SINCE THAT IS THE ADDRESS THE
|
| 2602 |
|
|
2110 * 6809 WILL BE OUTPUTING WHEN THAT 4K BLOCK
|
| 2603 |
|
|
2111 * OF RAM RESPONDS.
|
| 2604 |
|
|
2112 *
|
| 2605 |
|
|
2113 *
|
| 2606 |
|
|
2114 CNVADR STU ,X RESTORE DATA AT TEST LOCATION
|
| 2607 |
|
|
2115 TFR X,D PUT ADDR. OF PRESENT 4K BLOCK IN D
|
| 2608 |
|
|
2116 COMA COMPLEMENT MSB OF THAT ADDRESS
|
| 2609 |
|
|
2117 LSRA PUT MS 4 BITS OF ADDRESS IN
|
| 2610 |
|
|
2118 LSRA LOCATION D0-D3 TO ALLOW STORING
|
| 2611 |
|
|
2119 LSRA IT IN THE DYNAMIC ADDRESS
|
| 2612 |
|
|
2120 LSRA TRANSLATION RAM.
|
| 2613 |
|
|
2121 STA $FFFD STORE XLATION FACTOR IN DAT "D"
|
| 2614 |
|
|
2122 *
|
| 2615 |
|
|
2123 LDS #STACK INITIALIZE STACK POINTER
|
| 2616 |
|
|
2124 *
|
| 2617 |
|
|
2125 *
|
| 2618 |
|
|
2126 * THE FOLLOWING CHECKS TO FIND THE REAL PHYSICAL ADDRESSES
|
| 2619 |
|
|
2127 * OF ALL 4K BLKS OF RAM IN THE SYSTEM. WHEN EACH 4K BLK
|
| 2620 |
|
|
2128 * OF RAM IS LOCATED, THE COMPLEMENT OF IT'S REAL ADDRESS
|
| 2621 |
|
|
2129 * IS THEN STORED IN A "LOGICAL" TO "REAL" ADDRESS XLATION
|
| 2622 |
|
|
2130 * TABLE THAT IS BUILT FROM $DFD0 TO $DFDF. FOR EXAMPLE IF
|
| 2623 |
|
|
2131 * THE SYSTEM HAS RAM THAT IS PHYSICALLY LOCATED (WIRED TO
|
| 2624 |
|
|
2132 * RESPOND) AT THE HEX LOCATIONS $0--- THRU $F---....
|
| 2625 |
|
|
2133 *
|
| 2626 |
|
|
2134 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2627 |
|
|
2135 * 4K 4K 4K 4K 4K 4K 4K 4K -- 4K 4K 4K 4K -- -- --
|
| 2628 |
|
|
2136 *
|
| 2629 |
|
|
2137 * ....FOR A TOTAL OF 48K OF RAM, THEN THE TRANSLATION TABLE
|
| 2630 |
|
|
2138 * CREATED FROM $DFD0 TO $DFDF WILL CONSIST OF THE FOLLOWING....
|
| 2631 |
|
|
2139 *
|
| 2632 |
|
|
2140 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2633 |
|
|
2141 * 0F 0E 0D 0C 0B 0A 09 08 06 05 00 00 04 03 F1 F0
|
| 2634 |
|
|
2142 *
|
| 2635 |
|
|
2143 *
|
| 2636 |
|
|
2144 * HERE WE SEE THE LOGICAL ADDRESSES OF MEMORY FROM $0000-$7FFF
|
| 2637 |
|
|
2145 * HAVE NOT BEEN SELECTED FOR RELOCATION SO THAT THEIR PHYSICAL
|
| 2638 |
|
|
2146 * ADDRESS WILL = THEIR LOGICAL ADDRESS; HOWEVER, THE 4K BLOCK
|
| 2639 |
|
|
2147 * PHYSICALLY AT $9000 WILL HAVE ITS ADDRESS TRANSLATED SO THAT
|
| 2640 |
|
|
2148 * IT WILL LOGICALLY RESPOND AT $8000. LIKEWISE $A,$B, AND $C000
|
| 2641 |
|
|
2149 * WILL BE TRANSLATED TO RESPOND TO $9000,$C000, AND $D000
|
| 2642 |
|
|
2150 * RESPECTIVELY. THE USER SYSTEM WILL LOGICALLY APPEAR TO HAVE
|
| 2643 |
|
|
2151 * MEMORY ADDRESSED AS FOLLOWS....
|
| 2644 |
|
|
2152 *
|
| 2645 |
|
|
2153 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
| 2646 |
|
|
2154 * 4K 4K 4K 4K 4K 4K 4K 4K 4K 4K -- -- 4K 4K -- --
|
| 2647 |
|
|
2155 *
|
| 2648 |
|
|
2156 *
|
| 2649 |
|
|
2157 LDY #LRARAM POINT TO LOGICAL/REAL ADDR. TABLE
|
| 2650 |
|
|
2158 STA 13,Y STORE $D--- XLATION FACTOR AT $DFDD
|
| 2651 |
|
|
2159 CLR 14,Y CLEAR $DFDE
|
| 2652 |
|
|
2160 LDA #$F0 DESTINED FOR IC8 AN MEM EXPANSION ?
|
| 2653 |
|
|
2161 STA 15,Y STORE AT $DFDF
|
| 2654 |
|
|
2162 LDA #$0C PRESET NUMBER OF BYTES TO CLEAR
|
| 2655 |
|
|
2163 CLRLRT CLR A,Y CLEAR $DFDC THRU $DFD0
|
| 2656 |
|
|
2164 DECA SUB. 1 FROM BYTES LEFT TO CLEAR
|
| 2657 |
|
|
2165 BPL CLRLRT CONTINUE IF NOT DONE CLEARING
|
| 2658 |
|
|
2166 FNDRAM LEAX -$1000,X POINT TO NEXT LOWER 4K OF RAM
|
| 2659 |
|
|
2167 CMPX #$F0A0 TEST FOR DECREMENT PAST ZERO
|
| 2660 |
|
|
2168 BEQ FINTAB SKIP IF FINISHED
|
| 2661 |
|
|
2169 LDU ,X SAVE DATA AT CURRENT TEST LOCATION
|
| 2662 |
|
|
2170 LDY #TSTPAT LOAD TEST DATA PATTERN INTO Y REG.
|
| 2663 |
|
|
2171 STY ,X STORE TEST PATT. INTO RAM TEST LOC.
|
| 2664 |
|
|
2172 CMPY ,X VERIFY RAM AT TEST LOCATION
|
| 2665 |
|
|
2173 BNE FNDRAM IF NO RAM GO LOOK 4K LOWER
|
| 2666 |
|
|
2174 STU ,X ELSE RESTORE DATA TO TEST LOCATION
|
| 2667 |
|
|
2175 LDY #LRARAM POINT TO LOGICAL/REAL ADDR. TABLE
|
| 2668 |
|
|
2176 TFR X,D PUT ADDR. OF PRESENT 4K BLOCK IN D
|
| 2669 |
|
|
2177 LSRA PUT MS 4 BITS OF ADDR. IN LOC. D0-D3
|
| 2670 |
|
|
2178 LSRA TO ALLOW STORING IT IN THE DAT RAM.
|
| 2671 |
|
|
2179 LSRA
|
| 2672 |
|
|
2180 LSRA
|
| 2673 |
|
|
2181 TFR A,B SAVE OFFSET INTO LRARAM TABLE
|
| 2674 |
|
|
2182 EORA #$0F INVERT MSB OF ADDR. OF CURRENT 4K BLK
|
| 2675 |
|
|
2183 STA B,Y SAVE TRANSLATION FACTOR IN LRARAM TABLE
|
| 2676 |
|
|
2184 BRA FNDRAM GO TRANSLATE ADDR. OF NEXT 4K BLK
|
| 2677 |
|
|
2185 FINTAB LDA #$F1 DESTINED FOR IC8 AND MEM EXPANSION ?
|
| 2678 |
|
|
2186 LDY #LRARAM POINT TO LRARAM TABLE
|
| 2679 |
|
|
2187 STA 14,Y STORE $F1 AT $DFCE
|
| 2680 |
|
|
2188 *
|
| 2681 |
|
|
2189 * THE FOLLOWING CHECKS TO SEE IF THERE IS A 4K BLK OF
|
| 2682 |
|
|
2190 * RAM LOCATED AT $C000-$CFFF. IF NONE THERE IT LOCATES
|
| 2683 |
|
|
2191 * THE NEXT LOWER 4K BLK AN XLATES ITS ADDR SO IT
|
| 2684 |
|
|
2192 * LOGICALLY RESPONDS TO THE ADDRESS $C---.
|
| 2685 |
|
|
2193 *
|
| 2686 |
|
|
2194 *
|
| 2687 |
|
|
2195 LDA #$0C PRESET NUMBER HEX "C"
|
| 2688 |
|
|
2196 FINDC LDB A,Y GET ENTRY FROM LRARAM TABLE
|
| 2689 |
|
|
2197 BNE FOUNDC BRANCH IF RAM THIS PHYSICAL ADDR.
|
| 2690 |
|
|
2198 DECA ELSE POINT 4K LOWER
|
| 2691 |
|
|
2199 BPL FINDC GO TRY AGAIN
|
| 2692 |
|
|
2200 BRA XFERTF
|
| 2693 |
|
|
2201 FOUNDC CLR A,Y CLR XLATION FACTOR OF 4K BLOCK FOUND
|
| 2694 |
|
|
2202 STB $C,Y GIVE IT XLATION FACTOR MOVING IT TO $C---
|
| 2695 |
|
|
2203 *
|
| 2696 |
|
|
2204 * THE FOLLOWING CODE ADJUSTS THE TRANSLATION
|
| 2697 |
|
|
2205 * FACTORS SUCH THAT ALL REMAINING RAM WILL
|
| 2698 |
|
|
2206 * RESPOND TO A CONTIGUOUS BLOCK OF LOGICAL
|
| 2699 |
|
|
2207 * ADDRESSES FROM $0000 AND UP....
|
| 2700 |
|
|
2208 *
|
| 2701 |
|
|
2209 CLRA START AT ZERO
|
| 2702 |
|
|
2210 TFR Y,X START POINTER "X" START OF "LRARAM" TABLE.
|
| 2703 |
|
|
2211 COMPRS LDB A,Y GET ENTRY FROM "LRARAM" TABLE
|
| 2704 |
|
|
2212 BEQ PNTNXT IF IT'S ZER0 SKIP
|
| 2705 |
|
|
2213 CLR A,Y ELSE ERASE FROM TABLE
|
| 2706 |
|
|
2214 STB ,X+ AND ENTER ABOVE LAST ENTRY- BUMP
|
| 2707 |
|
|
2215 PNTNXT INCA GET OFFSET TO NEXT ENTRY
|
| 2708 |
|
|
2216 CMPA #$0C LAST ENTRY YET ?
|
| 2709 |
|
|
2217 BLT COMPRS
|
| 2710 |
|
|
2218 *
|
| 2711 |
|
|
2219 * THE FOLLOWING CODE TRANSFER THE TRANSLATION
|
| 2712 |
|
|
2220 * FACTORS FROM THE LRARAM TABLE TO IC11 ON
|
| 2713 |
|
|
2221 * THE MP-09 CPU CARD.
|
| 2714 |
|
|
2222 *
|
| 2715 |
|
|
2223 XFERTF LDX #IC11 POINT TO DAT RAM IC11
|
| 2716 |
|
|
2224 LDB #$10 GET NO. OF BYTES TO MOVE
|
| 2717 |
|
|
2225 FETCH LDA ,Y+ GET BYTE AND POINT TO NEXT
|
| 2718 |
|
|
2226 STA ,X+ POKE XLATION FACTOR IN IC11
|
| 2719 |
|
|
2227 DECB SUB 1 FROM BYTES TO MOVE
|
| 2720 |
|
|
2228 BNE FETCH CONTINUE UNTIL 16 MOVED
|
| 2721 |
|
|
2229 *
|
| 2722 |
|
|
2230 ELSE
|
| 2723 |
|
|
2231 FF06 39 LRA RTS
|
| 2724 |
|
|
2232 FF07 10 CE DF C0 START LDS #STACK INITIALIZE STACK POINTER
|
| 2725 |
|
|
2233 FF0B 5F CLRB
|
| 2726 |
|
|
2234 ENDIF DATOPT
|
| 2727 |
|
|
2235 *
|
| 2728 |
|
|
2236 FF0C 53 COMB SET "B" NON-ZERO
|
| 2729 |
|
|
2237 FF0D F7 DF D2 STB ECHO TURN ON ECHO FLAG
|
| 2730 |
|
|
2238 FF10 16 F9 0F LBRA MONITOR INITIALIZATION IS COMPLETE
|
| 2731 |
|
|
2239 *
|
| 2732 |
|
|
2240 ** INTERRUPT JUMP VECTORS
|
| 2733 |
|
|
2241 *
|
| 2734 |
|
|
2242 FF13 6E 9F DF C0 V1 JMP [STACK]
|
| 2735 |
|
|
2243 FF17 6E 9F DF C4 V2 JMP [SWI2]
|
| 2736 |
|
|
2244 FF1B 6E 9F DF C6 V3 JMP [FIRQ]
|
| 2737 |
|
|
2245 FF1F 6E 9F DF C8 V4 JMP [IRQ]
|
| 2738 |
|
|
2246 FF23 6E 9F DF CA V5 JMP [SWI]
|
| 2739 |
|
|
2247 *
|
| 2740 |
|
|
2248 * SWI3 ENTRY POINT
|
| 2741 |
|
|
2249 *
|
| 2742 |
|
|
2250 FF27 1F 43 SWI3E TFR S,U
|
| 2743 |
|
|
2251 FF29 AE 4A LDX 10,U *$FFC8
|
| 2744 |
|
|
2252 FF2B E6 80 LDB ,X+
|
| 2745 |
|
|
2253 FF2D AF 4A STX 10,U
|
| 2746 |
|
|
2254 FF2F 4F CLRA
|
| 2747 |
|
|
2255 FF30 58 ASLB
|
| 2748 |
|
|
2256 FF31 49 ROLA
|
| 2749 |
|
|
2257 FF32 BE DF CC LDX SVCVO
|
| 2750 |
|
|
2258 FF35 8C FF FF CMPX #$FFFF
|
| 2751 |
|
|
2259 FF38 27 0F BEQ SWI3Z
|
| 2752 |
|
|
2260 FF3A 30 8B LEAX D,X
|
| 2753 |
|
|
2261 FF3C BC DF CE CMPX SVCVL
|
| 2754 |
|
|
2262 FF3F 22 08 BHI SWI3Z
|
| 2755 |
|
|
2263 FF41 34 10 PSHS X
|
| 2756 |
|
|
2264 FF43 EC C4 LDD ,U
|
| 2757 |
|
|
2265 FF45 AE 44 LDX 4,U
|
| 2758 |
|
|
2266 FF47 6E F1 JMP [,S++]
|
| 2759 |
|
|
2267 FF49 37 1F SWI3Z PULU A,B,X,CC,DP
|
| 2760 |
|
|
2268 FF4B EE 42 LDU 2,U
|
| 2761 |
|
|
2269 FF4D 6E 9F DF C2 JMP [SWI3]
|
| 2762 |
|
|
2270 *
|
| 2763 |
|
|
2271 * 6809 VECTORS
|
| 2764 |
|
|
2272 *
|
| 2765 |
|
|
2273 FFF0 ORG $FFF0
|
| 2766 |
|
|
2274 FFF0 FF 13 FDB V1 USER-V
|
| 2767 |
|
|
2275 FFF2 FF 27 FDB SWI3E SWI3-V
|
| 2768 |
|
|
2276 FFF4 FF 17 FDB V2 SWI2-V
|
| 2769 |
|
|
2277 FFF6 FF 1B FDB V3 FIRQ-V
|
| 2770 |
|
|
2278 FFF8 FF 1F FDB V4 IRQ-V
|
| 2771 |
|
|
2279 FFFA FF 23 FDB V5 SWI-V
|
| 2772 |
|
|
2280 FFFC FF 13 FDB V1 NMI-V
|
| 2773 |
|
|
2281 FFFE FF 07 FDB START RESTART-V
|
| 2774 |
|
|
0004 END START
|
| 2775 |
|
|
0005 END
|
| 2776 |
|
|
Program + Init Data = 1889 bytes
|
| 2777 |
|
|
Error count = 0
|
