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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 SPARTAN 3E STARTER
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0000 INCLUDE "opt_s3e.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 00FF 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 *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 7FC0 MONRAM EQU $7FC0
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0008 ELSE
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0009 MONRAM EQU $DFC0 STACK SPACE
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0010 ENDIF S3EOPT
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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 00FF ACIAOPT EQU $FF ACIA AT PORT 0
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0027 00FF PS2OPT EQU $FF PS2 KEYBOARD AT $E020
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0028 00FF VDUOPT EQU $FF VDU AT $E030
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0029 00FF TRAOPT EQU $FF PIA TRACE TIMER
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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 DG640OPT EQU $FF DG640 VDU AT $E800
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0072 *RTCOPT EQU $FF REAL TIME CLOCK
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0073 PRTOPT EQU $FF PRINTER DRIVERS
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0074 MFDCOPT EQU $FF MINIFLOPPY 5.25" DISK BOOT
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0075 ENDIF ADSOPT
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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 E000 ACIAS EQU MONIO+$00 CONTROL PORT
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0096 *
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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 DRVFDC EQU MONIO+$14
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0107 CMDFDC EQU MONIO+$18
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0108 SECFDC EQU MONIO+$1A
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0109 DATFDC EQU MONIO+$1B
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0110 ENDIF MFDCOPT
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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 E020 PS2KBD EQU MONIO+$20 PS/2 KEYBOARD PORT
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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 E030 VDU EQU MONIO+$30
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0130 0000 VDUCHR EQU 0 CHARACTER REGISTER
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0131 0001 VDUATT EQU 1 ATTRIBUTE REGISTER
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0132 0002 VDUCOL EQU 2 CURSOR COLUMN
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0133 0003 VDUROW EQU 3 CURSOR ROW
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0134 0004 VDUOFF EQU 4 ROW OFFSET
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0135 *
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0136 0050 LINLEN EQU 80 LENGTH OF A LINE
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0137 0019 NUMLIN EQU 25 NUMBER OF LINES
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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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259 |
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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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266 |
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0232 COUNTR EQU CLOCK+0
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267 |
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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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273 |
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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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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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280 |
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0246 MONTH EQU 7
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0247 *
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0248 * INTERRUPT OUTPUT REGISTERS:
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283 |
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0249 *
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284 |
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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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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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291 |
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0257 * 1/Month Bit 7
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292 |
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0258 * 1/Week Bit 6
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293 |
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0259 * 1/Day Bit 5
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294 |
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0260 * 1/Hour Bit 4
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295 |
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0261 * 1/Minuite Bit 3
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296 |
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0262 * 1/Second Bit 2
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297 |
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0263 * 10/Second Bit 1
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298 |
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0264 * Comparitor Bit 0
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299 |
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0265 *
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0266 CINTSR EQU CLOCK+16 INTERRUPT STATUS REGISTER
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301 |
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0267 CINTCR EQU CLOCK+17 INTERRUPT CONTROL REGISTER
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302 |
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0268 *
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303 |
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0269 * COUNTER AND RAM RESETS; GO COMMAND.
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304 |
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0270 *
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305 |
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0271 * The counter and comparitor may be reset
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306 |
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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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309 |
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0275 * will reset the 1/1000ths, 1/100ths and 1/10ths
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310 |
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0276 * of a second counter.
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0277 *
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312 |
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0278 CTRRES EQU CLOCK+18 COUNTER RESET
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313 |
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0279 CMPRES EQU CLOCK+19 COMPARITOR RAM RESET
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314 |
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0280 GOCMND EQU CLOCK+21 GO COMMAND
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315 |
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0281 *
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316 |
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0282 * CLOCK STATUS REGISTER.
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317 |
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0283 *
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318 |
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0284 * The counter takes 61 usec. to rollover for
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319 |
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0285 * every 1KHz clock pulse. If the Status bit is
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320 |
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0286 * set after reading the counter, the counter
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321 |
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0287 * should be re-read to ensure the time is correct.
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322 |
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0288 *
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323 |
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0289 CLKSTA EQU CLOCK+20 STATUS BIT
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324 |
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0290 SBYINT EQU CLOCK+22 STANDBY INTERRUPT
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325 |
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0291 TSTMOD EQU CLOCK+31 TEST MODE REGISTER
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326 |
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0292 ENDIF RTCOPT
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327 |
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0292 ENDIF RTCOPT
|
328 |
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0293 *
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329 |
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0294 IFD TRAOPT
|
330 |
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0295 *
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331 |
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0296 **************************************************
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332 |
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0297 * PIA INTERRUPT TIMER
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333 |
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0298 **************************************************
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334 |
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0299 *
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335 |
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|
0300 ** PIA INTERRUPT TIMER SITS ON PORT 7
|
336 |
|
|
0301 *
|
337 |
|
|
0302 ** PIA TIMER FOR SINGLE STEP / TRACE
|
338 |
|
|
0303 *
|
339 |
|
|
0304 * TADATA = Output = Timer preset register
|
340 |
|
|
0305 * TACTRL - CA1 = input = rising edge = NMI
|
341 |
|
|
0306 * - CA2 = Output = Timer Reset (Active High)
|
342 |
|
|
0307 * TBDATA = Input = Timer read back register
|
343 |
|
|
0308 * TBCTRL - CB1 = input = rising edge = FIRQ
|
344 |
|
|
0309 * - CB2 = output = strobe low on write to TBDATA = Timer Preset
|
345 |
|
|
0310 *
|
346 |
|
|
0311 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
347 |
|
|
0312 * CRA1 = 1 CA1 Rising edge IRQ
|
348 |
|
|
0313 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
349 |
|
|
0314 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
350 |
|
|
0315 * CRA4 = 1 ] CA2 = Set/Reset output
|
351 |
|
|
0316 * CRA5 = 1 ]
|
352 |
|
|
0317 * CRA6 = X CA2 Input Interrupt Flag
|
353 |
|
|
0318 * CRA7 = X CA1 Interrupt Flag
|
354 |
|
|
0319 *
|
355 |
|
|
0320 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
356 |
|
|
0321 * CRB1 = 1 CB1 Rising edge IRQ
|
357 |
|
|
0322 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
358 |
|
|
0323 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
359 |
|
|
0324 * CRB4 = 1 ] CB2 = Set/Reset output
|
360 |
|
|
0325 * CRB5 = 1 ]
|
361 |
|
|
0326 * CRB6 = X CB2 Input Interrupt Flag
|
362 |
|
|
0327 * CRB7 = X CB1 Interrupt Flag
|
363 |
|
|
0328 *
|
364 |
|
|
0329 * DDRA = 0 TADATA = Input, DDRA = 1 TADATA = Output
|
365 |
|
|
0330 * DDRB = 0 TBDATA = Input, DDRB = 1 TBDATA = Output
|
366 |
|
|
0331 *
|
367 |
|
|
0332 E070 TADATA EQU MONIO+$70 Timer preset port
|
368 |
|
|
0333 E071 TACTRL EQU MONIO+$71
|
369 |
|
|
0334 E072 TBDATA EQU MONIO+$72 Timer read back port
|
370 |
|
|
0335 E073 TBCTRL EQU MONIO+$73
|
371 |
|
|
0336 *
|
372 |
|
|
0337 000D TRADEL EQU 13 Number of E cycles for RTI (May need to be fudged)
|
373 |
|
|
0338 *
|
374 |
|
|
0339 ENDIF TRAOPT
|
375 |
|
|
0340 IFD ADSOPT
|
376 |
|
|
0341 *
|
377 |
|
|
0342 ***************************************************
|
378 |
|
|
0343 * SERIAL PORT FOR DG640 *
|
379 |
|
|
0344 ***************************************************
|
380 |
|
|
0345 *
|
381 |
|
|
0346 ** SET UP FOR ACKERMAN DIGITAL ADS6809
|
382 |
|
|
0347 ** THE ADS6809 S100 BOAD HAS AN ON BOARD ACIA
|
383 |
|
|
0348 *
|
384 |
|
|
0349 ACIAS EQU MONIO+$400 CONTROL PORT
|
385 |
|
|
0350 *
|
386 |
|
|
0351 ENDIF ADSOPT
|
387 |
|
|
0351 ENDIF ADSOPT
|
388 |
|
|
0352 IFD PRTOPT
|
389 |
|
|
0353 *
|
390 |
|
|
0354 ***************************************************
|
391 |
|
|
0355 * PRINTER INTERFACE *
|
392 |
|
|
0356 ***************************************************
|
393 |
|
|
0357 *
|
394 |
|
|
0358 PADATA EQU MONIO+$404
|
395 |
|
|
0359 PACTRL EQU MONIO+$405
|
396 |
|
|
0360 PBDATA EQU MONIO+$406
|
397 |
|
|
0361 PBCTRL EQU MONIO+$407
|
398 |
|
|
0362 *
|
399 |
|
|
0363 ** CB1 ACK. I/P
|
400 |
|
|
0364 ** CB2 STB. O/P
|
401 |
|
|
0365 ** PB0 - PB7 DATA 1 - 8 O/P
|
402 |
|
|
0366 ** PORT A BIT ASSIGNMENT
|
403 |
|
|
0367 *
|
404 |
|
|
0368 PBUSY EQU $80 I/P
|
405 |
|
|
0369 PEMPTY EQU $40 I/P
|
406 |
|
|
0370 SELECT EQU $20 I/P
|
407 |
|
|
0371 PERROR EQU $10 I/P
|
408 |
|
|
0372 PRESET EQU %00000100 O/P PA3 = 0
|
409 |
|
|
0373 AUTOFD EQU %00001000 O/P PA2 = 0
|
410 |
|
|
0374 DIRMSK EQU %00001100
|
411 |
|
|
0375 ENDIF PRTOPT
|
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 SCREEN EQU MONIO+$0800 START OF SCREEN MEMORY
|
422 |
|
|
0385 LINLEN EQU 64 LENGTH OF A LINE
|
423 |
|
|
0386 NUMLIN EQU 16 NUMBER OF LINES
|
424 |
|
|
0387 SCNLEN EQU $400 LENGTH OF SCREEN
|
425 |
|
|
0388 ENDIF DG640OPT
|
426 |
|
|
0388 ENDIF DG640OPT
|
427 |
|
|
0389 *
|
428 |
|
|
0390 IFD DMAFOPT
|
429 |
|
|
0391 *
|
430 |
|
|
0392 ***************************************************
|
431 |
|
|
0393 * DMAF2 8" DRIVE *
|
432 |
|
|
0394 ***************************************************
|
433 |
|
|
0395 *
|
434 |
|
|
0396 ADDREG EQU $F000 ADDRESS REGISTER
|
435 |
|
|
0397 CNTREG EQU $F002 COUNT REGISTER
|
436 |
|
|
0398 CCREG EQU $F010 CHANNEL CONTROL REGISTER
|
437 |
|
|
0399 PRIREG EQU $F014 DMA PRIORITY REGISTER
|
438 |
|
|
0400 AAAREG EQU $F015 ???
|
439 |
|
|
0401 BBBREG EQU $F016 ???
|
440 |
|
|
0402 COMREG EQU $F020 1791 COMMAND REGISTER
|
441 |
|
|
0403 SECREG EQU $F022 SECTOR REGISTER
|
442 |
|
|
0404 DRVREG EQU $F024 DRIVE SELECT LATCH
|
443 |
|
|
0405 CCCREG EQU $F040 ???
|
444 |
|
|
0406 ENDIF DMAFOPT
|
445 |
|
|
0406 ENDIF DMAFOPT
|
446 |
|
|
0407 IFD DATOPT
|
447 |
|
|
0408 **************************************************
|
448 |
|
|
0409 * DYNAMIC ADDRESS TRANSLATION REGISTERS *
|
449 |
|
|
0410 **************************************************
|
450 |
|
|
0411 *
|
451 |
|
|
0412 IC11 EQU $FFF0 DAT RAM CHIP
|
452 |
|
|
0413 TSTPAT EQU $55AA TEST PATTERN
|
453 |
|
|
0414 ENDIF DATOPT
|
454 |
|
|
0414 ENDIF DATOPT
|
455 |
|
|
0415 *
|
456 |
|
|
0003 END
|
457 |
|
|
0000 INCLUDE "sys09bug.txt"
|
458 |
|
|
0001 * NAM SYS09BUG12 SYSTEM09 MONITOR
|
459 |
|
|
0002 OPT l
|
460 |
|
|
|
461 |
|
|
|
462 |
|
|
sys09bug.txt page 2
|
463 |
|
|
0004 *
|
464 |
|
|
0005 * MONITOR PROGRAM FOR THE SOUTHWEST TECHNICAL
|
465 |
|
|
0006 * PRODUCTS MP-09 CPU BOARD AS COMMENTED BY....
|
466 |
|
|
0007 *
|
467 |
|
|
0008 * ALLEN CLARK WALLACE WATSON
|
468 |
|
|
0009 * 2502 REGAL OAKS LANE 4815 EAST 97th AVE.
|
469 |
|
|
0010 * LUTZ, FLA. 33549 TEMPLE TERRACE, FLA. 33617
|
470 |
|
|
0011 * PH. 813-977-0347 PH. 813-985-1359
|
471 |
|
|
0012 *
|
472 |
|
|
0013 * MODIFIED TO SBUG09 VER 1.8 BY: RANDY JARRETT
|
473 |
|
|
0014 * 2561 NANTUCKET DR APT. E
|
474 |
|
|
0015 * ATLANTA, GA 30345
|
475 |
|
|
0016 * PH. 404-320-1043
|
476 |
|
|
0017 *
|
477 |
|
|
0018 * MODIFIED TO SYS09BUG VER 1.0
|
478 |
|
|
0019 * FOR: SYSTEM09 FPGA SYSTEM
|
479 |
|
|
0020 * BY: JOHN KENT
|
480 |
|
|
0021 * DATE: 21ST NOVEMBER 2006
|
481 |
|
|
0022 * REMOVED: DISK BOOTS
|
482 |
|
|
0023 * MEMORY TEST
|
483 |
|
|
0024 * ADDED: ADM3A VDU DRIVER
|
484 |
|
|
0025 *
|
485 |
|
|
0026 * MODIFIED TO SYS09BUG VER 1.1
|
486 |
|
|
0027 * FOR: SYSTEM09 FPGA SYSTEM
|
487 |
|
|
0028 * BY: JOHN KENT
|
488 |
|
|
0029 * DATE: 7TH JANUARY 2007
|
489 |
|
|
0030 * ADDED: 'U' USER EXTENTION COMMANDS AT $F000
|
490 |
|
|
0031 * CONDITIONAL ASSEMBLY OF FLOPPY BOOTS
|
491 |
|
|
0032 * AND REALTIME CLOCK
|
492 |
|
|
0033 *
|
493 |
|
|
0034 * MODIFIED TO SYS09BUG VER 1.2
|
494 |
|
|
0035 * FOR: SYSTEM09 FPGA SYSTEM
|
495 |
|
|
0036 * BY: JOHN KENT
|
496 |
|
|
0037 * DATE: 21ST MAY 2007
|
497 |
|
|
0038 * ADDED: COMPACT FLASH BOOT TO FPGA VERSION
|
498 |
|
|
0039 * REMOVED PORT REDIRECTION ON PUNCH & LOAD
|
499 |
|
|
0040 *
|
500 |
|
|
0041 * Modified to SYS09BUG VER 1.3
|
501 |
|
|
0042 * FOR: SYSTEM09 FPGA SYSTEM
|
502 |
|
|
0043 * BY: JOHN KENT
|
503 |
|
|
0044 * DATE: 8TH JAN 2008
|
504 |
|
|
0045 * ADDED: CONDITIONALS FOR SPARTAN3E STARTER BOARD
|
505 |
|
|
0046 * WITH ONLY 32K OF RAM
|
506 |
|
|
0047 *
|
507 |
|
|
0048 * Modified to SYS09BUG VER 1.4
|
508 |
|
|
0049 * FOR: SYSTEM09 FPGA SYSTEM
|
509 |
|
|
0050 * BY: JOHN KENT
|
510 |
|
|
0051 * DATE: 3RD FEB 2008
|
511 |
|
|
0052 * ADDED: CONDITIONALS FOR XESS BOARD WITH IDE
|
512 |
|
|
0053 * SEPERATE CONDITIONAL FOR S3 STARTER AND B5-X300
|
513 |
|
|
0054 * 16 BIT IDE DISK BOOT STRAP ROUTINE
|
514 |
|
|
0055 * CHANGED: SEPARARTED OPTIONS EQUATES AND BODY INTO SEPARATE FILES
|
515 |
|
|
0056 *
|
516 |
|
|
0057 * *** COMMANDS ***
|
517 |
|
|
0058 *
|
518 |
|
|
0059 * CONTROL A = ALTER THE "A" ACCUMULATOR
|
519 |
|
|
0060 * CONTROL B = ALTER THE "B" ACCUMULATOR
|
520 |
|
|
0061 * CONTROL C = ALTER THE CONDITION CODE REGISTER
|
521 |
|
|
0062 * CONTROL D = ALTER THE DIRECT PAGE REGISTER
|
522 |
|
|
0063 * CONTROL P = ALTER THE PROGRAM COUNTER
|
523 |
|
|
0064 * CONTROL U = ALTER USER STACK POINTER
|
524 |
|
|
0065 * CONTROL X = ALTER "X" INDEX REGISTER
|
525 |
|
|
0066 * CONTROL Y = ALTER "Y" INDEX REGISTER
|
526 |
|
|
0067 * B hhhh = SET BREAKPOINT AT LOCATION $hhhh
|
527 |
|
|
0068 * D = 5.25" MINIFLOPPY BOOT
|
528 |
|
|
0069 * E ssss-eeee = EXAMINE MEMORY
|
529 |
|
|
0070 * FROM STARTING ADDRESS ssss
|
530 |
|
|
0071 * TO ENDING ADDRESS eeee.
|
531 |
|
|
0072 * G = CONTINUE EXECUTION FROM BREAKPOINT OR SWI
|
532 |
|
|
0073 * L = LOAD TAPE
|
533 |
|
|
0074 * M hhhh = EXAMINE AND CHANGE MEMORY LOCATION hhhh
|
534 |
|
|
0075 * P ssss-eeee = PUNCH TAPE, START ssss TO END eeee ADDR.
|
535 |
|
|
0076 * R = DISPLAY REGISTER CONTENTS
|
536 |
|
|
0077 * S = DISPLAY STACK FROM ssss TO $DFC0
|
537 |
|
|
0078 * U = 8" DMAF2 FLOPPY BOOT
|
538 |
|
|
0079 * U = USER EXTENSION COMMANDS AT $F000
|
539 |
|
|
0080 * X = REMOVE ALL BREAKPOINTS
|
540 |
|
|
0081 *
|
541 |
|
|
0082 *
|
542 |
|
|
0083 ***************************************************
|
543 |
|
|
0084 * SYS09BUG VARIABLE SPACE
|
544 |
|
|
0085 ***************************************************
|
545 |
|
|
0086 *
|
546 |
|
|
0087 7FC0 ORG MONRAM
|
547 |
|
|
0088 7FC0 STACK EQU * TOP OF INTERNAL STACK
|
548 |
|
|
0089 7FC0 NMI RMB 2 USER NMI VECTOR
|
549 |
|
|
0090 7FC2 SWI3 RMB 2 SOFTWARE INTERRUPT VECTOR #3
|
550 |
|
|
0091 7FC4 SWI2 RMB 2 SOFTWARE INTERRUPT VECTOR #2
|
551 |
|
|
0092 7FC6 FIRQ RMB 2 FAST INTERRUPT VECTOR
|
552 |
|
|
0093 7FC8 IRQ RMB 2 INTERRUPT VECTOR
|
553 |
|
|
0094 7FCA SWI RMB 2 SOFTWARE INTERRUPT VECTOR
|
554 |
|
|
0095 7FCC SVCVO RMB 2 SUPERVISOR CALL VECTOR ORGIN
|
555 |
|
|
0096 7FCE SVCVL RMB 2 SUPERVISOR CALL VECTOR LIMIT
|
556 |
|
|
0097 IFD DATOPT
|
557 |
|
|
0098 LRARAM RMB 16 LRA ADDRESSES
|
558 |
|
|
0099 ENDIF DATOPT
|
559 |
|
|
0099 ENDIF DATOPT
|
560 |
|
|
0100 7FD0 CPORT RMB 2 RE-VECTORABLE CONTROL PORT
|
561 |
|
|
0101 7FD2 ECHO RMB 1 ECHO FLAG
|
562 |
|
|
0102 7FD3 BPTBL RMB 24 BREAKPOINT TABLE BASE ADDR
|
563 |
|
|
0103 IFD TRAOPT
|
564 |
|
|
0104 7FEB NMISAV RMB 2 NMI Jump Vector Backup
|
565 |
|
|
0105 7FED TRACNT RMB 2 Trace Count
|
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 7FEF COLADX RMB 1 CURSOR COLUMN
|
575 |
|
|
0115 7FF0 ROWADX RMB 1 CURSOR ROW
|
576 |
|
|
0116 **************************************************
|
577 |
|
|
0117 *
|
578 |
|
|
0118 7FF1 NEWROW RMB 1 NEW ROW TEMP FOR ESCAPE
|
579 |
|
|
0119 7FF2 ESCFLG RMB 1 ESCAPE SEQUENCE ACTIVE
|
580 |
|
|
0120 ENDIF VDUOPT
|
581 |
|
|
0121 IFD DG640OPT
|
582 |
|
|
0122 *
|
583 |
|
|
0123 ***************************************************
|
584 |
|
|
0124 * DG640 MEMORY MAPPED DISPLAY DRIVER VARIABLES *
|
585 |
|
|
0125 ***************************************************
|
586 |
|
|
0126 *
|
587 |
|
|
0127 ***** ALWAYS KEEP THESE TWO BYTES TOGETHER *****
|
588 |
|
|
0128 COLADX RMB 1 CURSOR COLUMN
|
589 |
|
|
0129 ROWADX RMB 1 CURSOR ROW
|
590 |
|
|
0130 *************************************************
|
591 |
|
|
0131 CURSOR RMB 2 ABSOLUTE SCREEN ADDRESS
|
592 |
|
|
0132 NEWROW RMB 1 NEW ROW TEMP FOR ESCAPE
|
593 |
|
|
0133 ESCFLG RMB 1 ESCAPE SEQUENCE ACTIVE
|
594 |
|
|
0134 ENDIF DG640OPT
|
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 14 FDB MONITOR
|
604 |
|
|
0143 F802 F8 4B FDB NEXTCMD
|
605 |
|
|
0144 F804 FC 90 FDB INCH
|
606 |
|
|
0145 F806 FC 8A FDB INCHE
|
607 |
|
|
0146 F808 FC A8 FDB INCHEK
|
608 |
|
|
0147 F80A FC BD FDB OUTCH
|
609 |
|
|
0148 F80C FB 82 FDB PDATA
|
610 |
|
|
0149 F80E FB 11 FDB PCRLF
|
611 |
|
|
0150 F810 FB 0D FDB PSTRNG
|
612 |
|
|
0151 F812 FE E1 FDB LRA
|
613 |
|
|
0152 *
|
614 |
|
|
0153 IFD ADSOPT
|
615 |
|
|
0154 FDB PCHK CHECK FOR PRINTER INPUT
|
616 |
|
|
0155 FDB PINIZ INITIATE PRINTER
|
617 |
|
|
0156 FDB POUTCH OUTPUT CH. TO PRINTER
|
618 |
|
|
0157 FDB VINIZ
|
619 |
|
|
0158 FDB VOUTCH
|
620 |
|
|
0159 FDB ACINIZ
|
621 |
|
|
0160 FDB AOUTCH
|
622 |
|
|
0161 ENDIF ADSOPT
|
623 |
|
|
0161 ENDIF ADSOPT
|
624 |
|
|
0162 *
|
625 |
|
|
0163 * MONITOR
|
626 |
|
|
0164 *
|
627 |
|
|
0165 * VECTOR ADDRESS STRING IS.....
|
628 |
|
|
0166 * $F8A1-$F8A1-$F8A1-$F8A1-$F8A1-$FAB0-$FFFF-$FFFF
|
629 |
|
|
0167 *
|
630 |
|
|
0168 F814 8E FE 60 MONITOR LDX #RAMVEC POINT TO VECTOR ADDR. STRING
|
631 |
|
|
0169 F817 10 8E 7F C0 LDY #STACK POINT TO RAM VECTOR LOCATION
|
632 |
|
|
0170 F81B C6 10 LDB #$10 BYTES TO MOVE = 16
|
633 |
|
|
0171 F81D A6 80 LOOPA LDA ,X+ GET VECTOR BYTE
|
634 |
|
|
0172 F81F A7 A0 STA ,Y+ PUT VECTORS IN RAM / $DFC0-$DFCF
|
635 |
|
|
0173 F821 5A DECB SUBTRACT 1 FROM NUMBER OF BYTES TO MOVE
|
636 |
|
|
0174 F822 26 F9 BNE LOOPA CONTINUE UNTIL ALL VECTORS MOVED
|
637 |
|
|
0175 *
|
638 |
|
|
0176 * CONTENTS FROM TO FUNCTION
|
639 |
|
|
0177 * $F8A1 $FE40 $DFC0 USER-V
|
640 |
|
|
0178 * $F8A1 $FE42 $DFC2 SWI3-V
|
641 |
|
|
0179 * $F8A1 $FE44 $DFC4 SWI2-V
|
642 |
|
|
0180 * $F8A1 $FE46 $DFC6 FIRQ-V
|
643 |
|
|
0181 * $F8A1 $FE48 $DFC8 IRQ-V
|
644 |
|
|
0182 * $FAB0 $FE4A $DFCA SWI-V
|
645 |
|
|
0183 * $FFFF $FE4C $DFCC SVC-VO
|
646 |
|
|
0184 * $FFFF $FE4E $DFCE SVC-VL
|
647 |
|
|
0185 *
|
648 |
|
|
0186 F824 8E E0 00 LDX #ACIAS
|
649 |
|
|
0187 F827 BF 7F D0 STX CPORT STORE ADDR. IN RAM
|
650 |
|
|
0188 F82A 17 01 45 LBSR XBKPNT CLEAR OUTSTANDING BREAKPOINTS
|
651 |
|
|
0189 F82D C6 0C LDB #12 CLEAR 12 BYTES ON STACK
|
652 |
|
|
0190 F82F 6F E2 CLRSTK CLR ,-S
|
653 |
|
|
0191 F831 5A DECB
|
654 |
|
|
0192 F832 26 FB BNE CLRSTK
|
655 |
|
|
0193 F834 30 8C DD LEAX MONITOR,PCR SET PC TO SBUG-E ENTRY
|
656 |
|
|
0194 F837 AF 6A STX 10,S ON STACK
|
657 |
|
|
0195 F839 86 D0 LDA #$D0 PRESET CONDITION CODES ON STACK
|
658 |
|
|
0196 F83B A7 E4 STA ,S
|
659 |
|
|
0197 F83D 1F 43 TFR S,U
|
660 |
|
|
0198 F83F 17 04 8E LBSR IOINIZ INITIALIZE CONTROL PORT
|
661 |
|
|
0199 F842 8E FE 70 LDX #MSG1 POINT TO MONITOR MESSAGE
|
662 |
|
|
0200 F845 17 03 3A LBSR PDATA PRINT MSG
|
663 |
|
|
0201 *
|
664 |
|
|
0202 IFD DATOPT
|
665 |
|
|
0203 LDX #LRARAM POINT TO LRA RAM STORAGE AREA
|
666 |
|
|
0204 CLRA START TOTAL AT ZERO
|
667 |
|
|
0205 LDB #13 TOTAL UP ALL ACTIVE RAM MEMORY
|
668 |
|
|
0206 FNDREL TST B,X TEST FOR RAM AT NEXT LOC.
|
669 |
|
|
0207 BEQ RELPAS IF NO RAM GO TO NEXT LOC.
|
670 |
|
|
0208 ADDA #4 ELSE ADD 4K TO TOTAL
|
671 |
|
|
0209 DAA ADJ. TOTAL FOR DECIMAL
|
672 |
|
|
0210 RELPAS DECB SUB. 1 FROM LOCS. TO TEST
|
673 |
|
|
0211 BPL FNDREL PRINT TOTAL OF RAM
|
674 |
|
|
0212 LBSR OUT2H OUTPUT HEX BYTE AS ASCII
|
675 |
|
|
0213 LDX #MSG2 POINT TO MSG 'K' CR/LF + 3 NULS
|
676 |
|
|
0214 LBSR PDATA PRINT MSG
|
677 |
|
|
0215 ENDIF DATOPT
|
678 |
|
|
0215 ENDIF DATOPT
|
679 |
|
|
0216 *
|
680 |
|
|
0217 IFD TRAOPT
|
681 |
|
|
0218 F848 17 01 DE LBSR TRAINZ
|
682 |
|
|
0219 ENDIF TRAOPT
|
683 |
|
|
0220 *
|
684 |
|
|
0221 ***** NEXTCMD *****
|
685 |
|
|
0222 *
|
686 |
|
|
0223 F84B 8E FE 95 NEXTCMD LDX #MSG3 POINT TO MSG ">"
|
687 |
|
|
0224 F84E 17 02 BC LBSR PSTRNG PRINT MSG
|
688 |
|
|
0225 F851 17 04 3C LBSR INCH GET ONE CHAR. FROM TERMINAL
|
689 |
|
|
0226 F854 84 7F ANDA #$7F STRIP PARITY FROM CHAR.
|
690 |
|
|
0227 F856 81 0D CMPA #$0D IS IT CARRIAGE RETURN ?
|
691 |
|
|
0228 F858 27 F1 BEQ NEXTCMD IF CR THEN GET ANOTHER CHAR.
|
692 |
|
|
0229 F85A 1F 89 TFR A,B PUT CHAR. IN "B" ACCUM.
|
693 |
|
|
0230 F85C 81 20 CMPA #$20 IS IT CONTROL OR DATA CHAR ?
|
694 |
|
|
0231 F85E 2C 09 BGE PRTCMD IF CMD CHAR IS DATA, PRNT IT
|
695 |
|
|
0232 F860 86 5E LDA #'^ ELSE CNTRL CHAR CMD SO...
|
696 |
|
|
0233 F862 17 04 58 LBSR OUTCH PRINT "^"
|
697 |
|
|
0234 F865 1F 98 TFR B,A RECALL CNTRL CMD CHAR
|
698 |
|
|
0235 F867 8B 40 ADDA #$40 CONVERT IT TO ASCII LETTER
|
699 |
|
|
0236 F869 17 04 51 PRTCMD LBSR OUTCH PRNT CMD CHAR
|
700 |
|
|
0237 F86C 17 04 4C LBSR OUT1S PRNT SPACE
|
701 |
|
|
0238 F86F C1 60 CMPB #$60
|
702 |
|
|
0239 F871 2F 02 BLE NXTCH0
|
703 |
|
|
0240 F873 C0 20 SUBB #$20
|
704 |
|
|
0241 *
|
705 |
|
|
0242 ***** DO TABLE LOOKUP *****
|
706 |
|
|
0243 * FOR COMMAND FUNCTIONS
|
707 |
|
|
0244 *
|
708 |
|
|
0245 F875 8E FE 2A NXTCH0 LDX #JMPTAB POINT TO JUMP TABLE
|
709 |
|
|
0246 F878 E1 80 NXTCHR CMPB ,X+ DOES COMMAND MATCH TABLE ENTRY ?
|
710 |
|
|
0247 F87A 27 0F BEQ JMPCMD BRANCH IF MATCH FOUND
|
711 |
|
|
0248 F87C 30 02 LEAX 2,X POINT TO NEXT ENTRY IN TABLE
|
712 |
|
|
0249 F87E 8C FE 60 CMPX #TABEND REACHED END OF TABLE YET ?
|
713 |
|
|
0250 F881 26 F5 BNE NXTCHR IF NOT END, CHECK NEXT ENTRY
|
714 |
|
|
0251 F883 8E FE 97 LDX #MSG4 POINT TO MSG "WHAT?"
|
715 |
|
|
0252 F886 17 02 F9 LBSR PDATA PRINT MSG
|
716 |
|
|
0253 F889 20 C0 BRA NEXTCMD IF NO MATCH, PRMPT FOR NEW CMD
|
717 |
|
|
0254 F88B AD 94 JMPCMD JSR [,X] JUMP TO COMMAND ROUTINE
|
718 |
|
|
0255 F88D 20 BC BRA NEXTCMD PROMPT FOR NEW COMMAND
|
719 |
|
|
0256 *
|
720 |
|
|
0257 * "G" GO OR CONTINUE
|
721 |
|
|
0258 *
|
722 |
|
|
0259 F88F 1F 34 GO TFR U,S
|
723 |
|
|
0260 F891 3B RTI RTI
|
724 |
|
|
0261 *
|
725 |
|
|
0262 ***** "M" MEMORY EXAMINE AND CHANGE *****
|
726 |
|
|
0263 *
|
727 |
|
|
0264 F892 17 03 74 MEMCHG LBSR IN1ADR INPUT ADDRESS
|
728 |
|
|
0265 F895 29 2D BVS CHRTN IF NOT HEX, RETURN
|
729 |
|
|
0266 F897 1F 12 TFR X,Y SAVE ADDR IN "Y"
|
730 |
|
|
0267 F899 8E FE 9D MEMC2 LDX #MSG5 POINT TO MSG " - "
|
731 |
|
|
0268 F89C 17 02 6E LBSR PSTRNG PRINT MSG
|
732 |
|
|
0269 F89F 1F 21 TFR Y,X FETCH ADDRESS
|
733 |
|
|
0270 F8A1 17 03 AE LBSR OUT4H PRINT ADDR IN HEX
|
734 |
|
|
0271 F8A4 17 04 14 LBSR OUT1S OUTPUT SPACE
|
735 |
|
|
0272 F8A7 A6 A4 LDA ,Y GET CONTENTS OF CURRENT ADDR.
|
736 |
|
|
0273 F8A9 17 03 AE LBSR OUT2H OUTPUT CONTENTS IN ASCII
|
737 |
|
|
0274 F8AC 17 04 0C LBSR OUT1S OUTPUT SPACE
|
738 |
|
|
0275 F8AF 17 03 67 LBSR BYTE LOOP WAITING FOR OPERATOR INPUT
|
739 |
|
|
0276 F8B2 28 11 BVC CHANGE IF VALID HEX GO CHANGE MEM. LOC.
|
740 |
|
|
0277 F8B4 81 08 CMPA #8 IS IT A BACKSPACE (CNTRL H)?
|
741 |
|
|
0278 F8B6 27 E1 BEQ MEMC2 PROMPT OPERATOR AGAIN
|
742 |
|
|
0279 F8B8 81 18 CMPA #$18 IS IT A CANCEL (CNTRL X)?
|
743 |
|
|
0280 F8BA 27 DD BEQ MEMC2 PROMPT OPERATOR AGAIN
|
744 |
|
|
0281 F8BC 81 5E CMPA #'^ IS IT AN UP ARROW?
|
745 |
|
|
0282 F8BE 27 17 BEQ BACK DISPLAY PREVIOUS BYTE
|
746 |
|
|
0283 F8C0 81 0D CMPA #$D IS IT A CR?
|
747 |
|
|
0284 F8C2 26 0F BNE FORWRD DISPLAY NEXT BYTE
|
748 |
|
|
0285 F8C4 39 CHRTN RTS EXIT ROUTINE
|
749 |
|
|
0286 *
|
750 |
|
|
0287 *
|
751 |
|
|
0288 F8C5 A7 A4 CHANGE STA ,Y CHANGE BYTE IN MEMORY
|
752 |
|
|
0289 F8C7 A1 A4 CMPA ,Y DID MEMORY BYTE CHANGE?
|
753 |
|
|
0290 F8C9 27 08 BEQ FORWRD $F972
|
754 |
|
|
0291 F8CB 17 03 ED LBSR OUT1S OUTPUT SPACE
|
755 |
|
|
0292 F8CE 86 3F LDA #'? LOAD QUESTION MARK
|
756 |
|
|
0293 F8D0 17 03 EA LBSR OUTCH PRINT IT
|
757 |
|
|
0294 F8D3 31 21 FORWRD LEAY 1,Y POINT TO NEXT HIGHER MEM LOCATION
|
758 |
|
|
0295 F8D5 20 C2 BRA MEMC2 PRINT LOCATION & CONTENTS
|
759 |
|
|
0296 F8D7 31 3F BACK LEAY -1,Y POINT TO LAST MEM LOCATION
|
760 |
|
|
0297 F8D9 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 F8DB 17 02 AB DISSTK LBSR PRTSP PRINT CURRENT STACK POINTER
|
767 |
|
|
0304 F8DE 1F 32 TFR U,Y
|
768 |
|
|
0305 F8E0 8E 7F C0 LDX #STACK LOAD INTERNAL STACK AS UPPER LIMIT
|
769 |
|
|
0306 F8E3 30 1F LEAX -1,X POINT TO CURRENT STACK
|
770 |
|
|
0307 F8E5 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 F8E7 17 03 14 MEMDUMP LBSR IN2ADR INPUT ADDRESS BOUNDRIES
|
778 |
|
|
0315 F8EA 29 06 BVS EDPRTN NEW COMMAND IF ILLEGAL HEX
|
779 |
|
|
0316 F8EC 34 20 MDUMP1 PSHS Y COMPARE LOWER TO UPPER BOUNDS
|
780 |
|
|
0317 F8EE AC E1 CMPX ,S++ LOWER BOUNDS > UPPER BOUNDS?
|
781 |
|
|
0318 F8F0 24 01 BCC AJDUMP IF NOT, DUMP HEX AND ASCII
|
782 |
|
|
0319 F8F2 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 F8F3 1F 10 AJDUMP TFR X,D GET UPPER ADDR IN D-REG
|
797 |
|
|
0334 F8F5 C3 00 10 ADDD #$10 ADD 16 TO UPPER ADDRESS
|
798 |
|
|
0335 F8F8 C4 F0 ANDB #$F0 MASK TO EVEN 16 BYTE BOUNDRY
|
799 |
|
|
0336 F8FA 34 06 PSHS A,B SAVE ON STACK AS UPPER DUMP LIMIT
|
800 |
|
|
0337 F8FC 1F 20 TFR Y,D $F9A5 GET LOWER ADDRESS IN D-REG
|
801 |
|
|
0338 F8FE C4 F0 ANDB #$F0 MASK TO EVEN 16 BYTE BOUNDRY
|
802 |
|
|
0339 F900 1F 01 TFR D,X PUT IN X-REG AS LOWER DUMP LIMIT
|
803 |
|
|
0340 F902 AC E4 NXTLIN CMPX ,S COMPARE LOWER TO UPPER LIMIT
|
804 |
|
|
0341 F904 27 05 BEQ SKPDMP IF EQUAL SKIP HEX-ASCII DUMP
|
805 |
|
|
0342 F906 17 03 9F LBSR INCHEK CHECK FOR INPUT FROM KEYBOARD
|
806 |
|
|
0343 F909 27 03 BEQ EDUMP
|
807 |
|
|
0344 F90B 32 62 SKPDMP LEAS 2,S READJUST STACK IF NOT DUMPING
|
808 |
|
|
0345 F90D 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 F90E 34 10 EDUMP PSHS X PUSH LOWER ADDR LIMIT ON STACK
|
814 |
|
|
0351 F910 8E FE 9D LDX #MSG5 POINT TO MSG " - "
|
815 |
|
|
0352 F913 17 01 F7 LBSR PSTRNG PRINT MSG
|
816 |
|
|
0353 F916 AE E4 LDX ,S LOAD LOWER ADDR FROM TOP OF STACK
|
817 |
|
|
0354 F918 17 03 37 LBSR OUT4H PRINT THE ADDRESS
|
818 |
|
|
0355 F91B 17 03 9B LBSR OUT2S 2 SPACES
|
819 |
|
|
0356 F91E C6 10 LDB #$10 LOAD COUNT OF 16 BYTES TO DUMP
|
820 |
|
|
0357 F920 A6 80 ELOOP LDA ,X+ GET FROM MEMORY HEX BYTE TO PRINT
|
821 |
|
|
0358 F922 17 03 35 LBSR OUT2H OUTPUT HEX BYTE AS ASCII
|
822 |
|
|
0359 F925 17 03 93 LBSR OUT1S OUTPUT SPACE
|
823 |
|
|
0360 F928 5A DECB $F9D1 DECREMENT BYTE COUNT
|
824 |
|
|
0361 F929 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 F92B 17 03 8B LBSR OUT2S 2 SPACES
|
830 |
|
|
0367 F92E AE E1 LDX ,S++ GET LOW LIMIT FRM STACK - ADJ STACK
|
831 |
|
|
0368 F930 C6 10 LDB #$10 SET ASCII CHAR TO PRINT = 16
|
832 |
|
|
0369 F932 A6 80 EDPASC LDA ,X+ GET CHARACTER FROM MEMORY
|
833 |
|
|
0370 F934 81 20 CMPA #$20 IF LESS THAN $20, NON-PRINTABLE?
|
834 |
|
|
0371 F936 25 04 BCS PERIOD IF SO, PRINT PERIOD INSTEAD
|
835 |
|
|
0372 F938 81 7E CMPA #$7E IS IT VALID ASCII?
|
836 |
|
|
0373 F93A 23 02 BLS PRASC IF SO PRINT IT
|
837 |
|
|
0374 F93C 86 2E PERIOD LDA #'. LOAD A PERIOD (.)
|
838 |
|
|
0375 F93E 17 03 7C PRASC LBSR OUTCH PRINT ASCII CHARACTER
|
839 |
|
|
0376 F941 5A DECB DECREMENT COUNT
|
840 |
|
|
0377 F942 26 EE BNE EDPASC
|
841 |
|
|
0378 F944 20 BC BRA NXTLIN
|
842 |
|
|
0379 *
|
843 |
|
|
0380 ***** "B" SET BREAKPOINT *****
|
844 |
|
|
0381 *
|
845 |
|
|
0382 F946 17 02 C0 BRKPNT LBSR IN1ADR GET BREAKPOINT ADDRESS
|
846 |
|
|
0383 F949 29 1E BVS EXITBP EXIT IF INVALID HEX ADDR.
|
847 |
|
|
0384 F94B 8C 7F C0 CMPX #STACK ADDRESS ILLEGAL IF >=$DFC0
|
848 |
|
|
0385 F94E 24 1A BCC BPERR IF ERROR PRINT (?), EXIT
|
849 |
|
|
0386 F950 34 10 PSHS X $FA82 PUSH BP ADDRESS ON STACK
|
850 |
|
|
0387 F952 8E FF FF LDX #$FFFF LOAD DUMMY ADDR TO TEST BP TABLE
|
851 |
|
|
0388 F955 8D 5B BSR BPTEST TEST BP TABLE FOR FREE SPACE
|
852 |
|
|
0389 F957 35 10 PULS X POP BP ADDRESS FROM STACK
|
853 |
|
|
0390 F959 27 0F BEQ BPERR (Z) SET, OUT OF BP TABLE SPACE
|
854 |
|
|
0391 F95B A6 84 LDA ,X GET DATA AT BREAKPOINT ADDRESS
|
855 |
|
|
0392 F95D 81 3F CMPA #$3F IS IT A SWI?
|
856 |
|
|
0393 F95F 27 09 BEQ BPERR IF SWI ALREADY, INDICATE ERROR
|
857 |
|
|
0394 F961 A7 A0 STA ,Y+ SAVE DATA BYTE IN BP TABLE
|
858 |
|
|
0395 F963 AF A4 STX ,Y SAVE BP ADDRESS IN BP TABLE
|
859 |
|
|
0396 F965 86 3F LDA #$3F LOAD A SWI ($3F)
|
860 |
|
|
0397 F967 A7 84 STA ,X SAVE SWI AT BREAKPOINT ADDRESS
|
861 |
|
|
0398 F969 39 EXITBP RTS ;
|
862 |
|
|
0399 *
|
863 |
|
|
0400 * INDICATE ERROR SETTING BREAKPOINT
|
864 |
|
|
0401 *
|
865 |
|
|
0402 F96A 17 03 4E BPERR LBSR OUT1S OUTPUT SPACE
|
866 |
|
|
0403 F96D 86 3F LDA #'? LOAD (?), INDICATE BREAKPOINT ERROR
|
867 |
|
|
0404 F96F 16 03 4B LBRA OUTCH PRINT "?"
|
868 |
|
|
0405 *
|
869 |
|
|
0406 *** "X" CLEAR OUTSTANDING BREAKPOINTS ***
|
870 |
|
|
0407 *
|
871 |
|
|
0408 F972 10 8E 7F D3 XBKPNT LDY #BPTBL POINT TO BREAKPOINT TABLE
|
872 |
|
|
0409 F976 C6 08 LDB #8 LOAD BREAKPOINT COUNTER
|
873 |
|
|
0410 F978 8D 1E XBPLP BSR RPLSWI REMOVE USED ENTRY IN BP TABLE
|
874 |
|
|
0411 F97A 5A DECB $FAAC DECREMENT BP COUNTER
|
875 |
|
|
0412 F97B 26 FB BNE XBPLP END OF BREAKPOINT TABLE?
|
876 |
|
|
0413 F97D 39 RTS
|
877 |
|
|
0414 *
|
878 |
|
|
0415 ***** SWI ENTRY POINT *****
|
879 |
|
|
0416 *
|
880 |
|
|
0417 F97E 1F 43 SWIE TFR S,U TRANSFER STACK TO USER POINTER
|
881 |
|
|
0418 F980 AE 4A LDX 10,U LOAD PC FROM STACK INTO X-REG
|
882 |
|
|
0419 F982 30 1F LEAX -1,X ADJUST ADDR DOWN 1 BYTE.
|
883 |
|
|
0420 F984 8D 2C BSR BPTEST FIND BREAKPOINT IN BP TABLE
|
884 |
|
|
0421 F986 27 04 BEQ REGPR IF FOUND, REPLACE DATA AT BP ADDR
|
885 |
|
|
0422 F988 AF 4A STX 10,U SAVE BREAKPOINT ADDR IN STACK
|
886 |
|
|
0423 F98A 8D 0C BSR RPLSWI GO REPLACE SWI WITH ORIGINAL DATA
|
887 |
|
|
0424 F98C 17 02 51 REGPR LBSR REGSTR GO PRINT REGISTERS
|
888 |
|
|
0425 *
|
889 |
|
|
0426 IFD TRAOPT
|
890 |
|
|
0427 F98F 8E 00 00 LDX #0
|
891 |
|
|
0428 F992 BF 7F ED STX TRACNT
|
892 |
|
|
0429 ENDIF TRAOPT
|
893 |
|
|
0430 *
|
894 |
|
|
0431 F995 16 FE B3 LBRA NEXTCMD GET NEXT COMMAND
|
895 |
|
|
0432 *
|
896 |
|
|
0433 F998 AE 21 RPLSWI LDX 1,Y LOAD BP ADDRESS FROM BP TABLE
|
897 |
|
|
0434 F99A 8C 7F C0 CMPX #STACK COMPARE TO TOP AVAILABLE USER MEMORY
|
898 |
|
|
0435 F99D 24 0A BCC FFSTBL GO RESET TABLE ENTRY TO $FF'S
|
899 |
|
|
0436 F99F A6 84 LDA ,X GET DATA FROM BP ADDRESS
|
900 |
|
|
0437 F9A1 81 3F CMPA #$3F IS IT SWI?
|
901 |
|
|
0438 F9A3 26 04 BNE FFSTBL IF NOT, RESET TABLE ENTRY TO $FF'S
|
902 |
|
|
0439 F9A5 A6 A4 LDA ,Y GET ORIGINAL DATA FROM BP TABLE
|
903 |
|
|
0440 F9A7 A7 84 STA ,X $FAD3 RESTORE DATA AT BP ADDRESS
|
904 |
|
|
0441 F9A9 86 FF FFSTBL LDA #$FF LOAD $FF IN A-ACC
|
905 |
|
|
0442 F9AB A7 A0 STA ,Y+ RESET BREAKPOINT TABLE DATA TO $FF'S
|
906 |
|
|
0443 F9AD A7 A0 STA ,Y+ RESET BREAKPOINT TABLE ADDR TO $FF'S
|
907 |
|
|
0444 F9AF A7 A0 STA ,Y+
|
908 |
|
|
0445 F9B1 39 RTS
|
909 |
|
|
0446 *
|
910 |
|
|
0447 ** SEARCH BREAKPOINT TABLE FOR MATCH **
|
911 |
|
|
0448 *
|
912 |
|
|
0449 F9B2 10 8E 7F D3 BPTEST LDY #BPTBL POINT TO BREAKPOINT TABLE
|
913 |
|
|
0450 F9B6 C6 08 LDB #8 LOAD BREAKPOINT COUNTER
|
914 |
|
|
0451 F9B8 A6 A0 FNDBP LDA ,Y+ LOAD DATA BYTE
|
915 |
|
|
0452 F9BA AC A1 CMPX ,Y++ COMPARE ADDRESS, IS IT SAME?
|
916 |
|
|
0453 F9BC 27 04 BEQ BPADJ IF SO, ADJUST POINTER FOR TABLE ENTRY
|
917 |
|
|
0454 F9BE 5A DECB IF NOT, DECREMENT BREAKPOINT COUNTER
|
918 |
|
|
0455 F9BF 26 F7 BNE FNDBP AND LOOK FOR NEXT POSSIBLE MATCH
|
919 |
|
|
0456 F9C1 39 RTS ;
|
920 |
|
|
0457 *
|
921 |
|
|
0458 *
|
922 |
|
|
0459 F9C2 31 3D BPADJ LEAY -3,Y MOVE POINTER TO BEGIN OF BP ENTRY
|
923 |
|
|
0460 F9C4 39 RTS
|
924 |
|
|
0461 *
|
925 |
|
|
0462 IFD TRAOPT
|
926 |
|
|
0463 *
|
927 |
|
|
0464 ** TRACE from address AAAA BB bytes
|
928 |
|
|
0465 *
|
929 |
|
|
0466 F9C5 17 01 5F TRACE LBSR ALTPC1 SET UP NEW PC
|
930 |
|
|
0467 F9C8 29 1C BVS TREXIT ADDRESS ERROR, EXIT
|
931 |
|
|
0468 F9CA 17 02 EE LBSR OUT1S
|
932 |
|
|
0469 F9CD 17 02 39 LBSR IN1ADR Fetch Byte Count
|
933 |
|
|
0470 F9D0 29 14 BVS TREXIT Byte Count error, EXIT
|
934 |
|
|
0471 F9D2 BF 7F ED STX TRACNT
|
935 |
|
|
0472 *
|
936 |
|
|
0473 F9D5 BE 7F C0 LDX NMI Save NMI Vector
|
937 |
|
|
0474 F9D8 BF 7F EB STX NMISAV
|
938 |
|
|
0475 F9DB 8E F9 E7 LDX #NMIE Set up NMI for Tracing
|
939 |
|
|
0476 F9DE BF 7F C0 STX NMI
|
940 |
|
|
0477 F9E1 17 00 45 LBSR TRAINZ Initialise Hardware
|
941 |
|
|
0478 F9E4 20 20 BRA TRACEG Start Trace
|
942 |
|
|
0479 F9E6 39 TREXIT RTS
|
943 |
|
|
0480 *
|
944 |
|
|
0481 * CRA0 = 0 CA1 IRQ DISAB, CRA0 = 1 CA1 IRQ ENAB
|
945 |
|
|
0482 * CRA1 = 1 CA1 Rising edge IRQ
|
946 |
|
|
0483 * CRA2 = 0 TADATA = Data Direction, CRA2 = 1 TADATA = I/O Register
|
947 |
|
|
0484 * CRA3 = 0 CA2 = 0 output, CRA3 = 1 CA2 = 1
|
948 |
|
|
0485 * CRA4 = 1 ] CA2 = Set/Reset output
|
949 |
|
|
0486 * CRA5 = 1 ]
|
950 |
|
|
0487 * CRA6 = X CA2 Input Interrupt Flag
|
951 |
|
|
0488 * CRA7 = X CA1 Interrupt Flag
|
952 |
|
|
0489 *
|
953 |
|
|
0490 * CRB0 = 0 CB1 IRQ DISAB, CRB0 = 1 CA1 IRQ ENAB
|
954 |
|
|
0491 * CRB1 = 1 CB1 Rising edge IRQ
|
955 |
|
|
0492 * CRB2 = 0 TBDATA = Data Direction, CRB2 = 1 TBDATA = I/O Register
|
956 |
|
|
0493 * CRB3 = 0 CB2 = 0 output, CRB3 = 1 CB2 = 1
|
957 |
|
|
0494 * CRB4 = 1 ] CB2 = Set/Reset output
|
958 |
|
|
0495 * CRB5 = 1 ]
|
959 |
|
|
0496 * CRB6 = X CB2 Input Interrupt Flag
|
960 |
|
|
0497 * CRB7 = X CB1 Interrupt Flag
|
961 |
|
|
0498 *
|
962 |
|
|
0499 *
|
963 |
|
|
0500 ** TRACE NMI ENTRY POINT
|
964 |
|
|
0501 *
|
965 |
|
|
0502 F9E7 1F 43 NMIE TFR S,U
|
966 |
|
|
0503 F9E9 86 36 LDA #$36 Disable Interrupt, CA2 Low
|
967 |
|
|
0504 F9EB B7 E0 71 STA TACTRL
|
968 |
|
|
0505 F9EE B6 E0 70 LDA TADATA Clear Interrupt flag by reading data port
|
969 |
|
|
0506 *
|
970 |
|
|
0507 F9F1 17 01 EC LBSR REGSTR DUMP REGISTERS
|
971 |
|
|
0508 *
|
972 |
|
|
0509 F9F4 AE 4A LDX 10,U TEST IF NEXT INSTRUCTION IS A SWI
|
973 |
|
|
0510 F9F6 A6 84 LDA ,X
|
974 |
|
|
0511 F9F8 81 3F CMPA #$3F
|
975 |
|
|
0512 F9FA 27 24 BEQ TRACEX EXIT ON SWI
|
976 |
|
|
0513 *
|
977 |
|
|
0514 F9FC BE 7F ED LDX TRACNT CHECK IF TRACE COUNT EXPIRED
|
978 |
|
|
0515 F9FF 27 1F BEQ TRACEX YES, GO BACK TO THE MONITOR
|
979 |
|
|
0516 FA01 30 1F LEAX -1,X DECREMENT TRACE COUNT
|
980 |
|
|
0517 FA03 BF 7F ED STX TRACNT
|
981 |
|
|
0518 *
|
982 |
|
|
0519 ** TRACE GO (RESUME SINGLE STEP)
|
983 |
|
|
0520 *
|
984 |
|
|
0521 FA06 1F 34 TRACEG TFR U,S SET UP PROGRAM STACK POINTER
|
985 |
|
|
0522 FA08 86 0D LDA #TRADEL SET UP TIMER DELAY (NUMB CYCLES FOR RTI+1)
|
986 |
|
|
0523 FA0A B7 E0 70 STA TADATA
|
987 |
|
|
0524 FA0D 86 36 LDA #$36 LOAD STROBE LOW
|
988 |
|
|
0525 FA0F B7 E0 71 STA TACTRL
|
989 |
|
|
0526 FA12 B6 E0 70 LDA TADATA CLEAR INTERRUPT
|
990 |
|
|
0527 FA15 86 36 LDA #$36 RELEASE RESET
|
991 |
|
|
0528 FA17 B7 E0 73 STA TBCTRL
|
992 |
|
|
0529 FA1A 86 3F LDA #$3F RELEASE LOAD, ENABLE CA1 NMI, CA1 RISING EDGE
|
993 |
|
|
0530 FA1C B7 E0 71 STA TACTRL
|
994 |
|
|
0531 FA1F 3B RTI GO EXECUTE INSTRUCTION
|
995 |
|
|
0532 *
|
996 |
|
|
0533 FA20 BE 7F EB TRACEX LDX NMISAV Restore NMI vector
|
997 |
|
|
0534 FA23 BF 7F C0 STX NMI
|
998 |
|
|
0535 FA26 16 FE 22 LBRA NEXTCMD Jump back to the command loop.
|
999 |
|
|
0536 *
|
1000 |
|
|
0537 ** TRACE HARDWARE INITIALISATION
|
1001 |
|
|
0538 *
|
1002 |
|
|
0539 FA29 86 32 TRAINZ LDA #$32 SELECT DDRA, CA2 LOW, NMI DISABLED
|
1003 |
|
|
0540 FA2B B7 E0 71 STA TACTRL
|
1004 |
|
|
0541 FA2E 86 3A LDA #$3A SELECT DDRB, CB2 HIGH, FIRQ DISABLED
|
1005 |
|
|
0542 FA30 B7 E0 73 STA TBCTRL
|
1006 |
|
|
0543 FA33 86 FF LDA #$FF PORTA = OUTPUT
|
1007 |
|
|
0544 FA35 B7 E0 70 STA TADATA
|
1008 |
|
|
0545 FA38 86 00 LDA #$00 PORTB = INPUT
|
1009 |
|
|
0546 FA3A B7 E0 72 STA TBDATA
|
1010 |
|
|
0547 FA3D 86 36 LDA #$36 SELECT OUTPUT REGISTER A, CA2 LOW
|
1011 |
|
|
0548 FA3F B7 E0 71 STA TACTRL
|
1012 |
|
|
0549 FA42 86 3E LDA #$3E SELECT OUTPUT REGISTER B, CB2 HIGH
|
1013 |
|
|
0550 FA44 B7 E0 73 STA TBCTRL
|
1014 |
|
|
0551 FA47 39 RTS
|
1015 |
|
|
0552 *
|
1016 |
|
|
0553 ENDIF TRAOPT
|
1017 |
|
|
0554 IFD MFDCOPT
|
1018 |
|
|
0555 *
|
1019 |
|
|
0556 ** "U" MINI DISK BOOT
|
1020 |
|
|
0557 *
|
1021 |
|
|
0558 MINBOOT TST CMDFDC
|
1022 |
|
|
0559 CLR DRVFDC
|
1023 |
|
|
0560 LDX #$0000
|
1024 |
|
|
0561 LOOP LEAX $01,X
|
1025 |
|
|
0562 CMPX #$0000
|
1026 |
|
|
0563 BNE LOOP
|
1027 |
|
|
0564 LDA #$0F
|
1028 |
|
|
0565 STA CMDFDC
|
1029 |
|
|
0566 BSR DELAY
|
1030 |
|
|
0567 LOOP1 LDB CMDFDC
|
1031 |
|
|
0568 BITB #$01
|
1032 |
|
|
0569 BNE LOOP1
|
1033 |
|
|
0570 LDA #$01
|
1034 |
|
|
0571 STA SECFDC
|
1035 |
|
|
0572 BSR DELAY
|
1036 |
|
|
0573 LDA #$8C
|
1037 |
|
|
0574 STA CMDFDC
|
1038 |
|
|
0575 BSR DELAY
|
1039 |
|
|
0576 LDX #$C000
|
1040 |
|
|
0577 BRA LOOP3
|
1041 |
|
|
0578 LOOP2 BITB #$02
|
1042 |
|
|
0579 BEQ LOOP3
|
1043 |
|
|
0580 LDA DATFDC
|
1044 |
|
|
0581 STA ,X+
|
1045 |
|
|
0582 LOOP3 LDB CMDFDC
|
1046 |
|
|
0583 BITB #$01
|
1047 |
|
|
0584 BNE LOOP2
|
1048 |
|
|
0585 BITB #$2C
|
1049 |
|
|
0586 BEQ LOOP4
|
1050 |
|
|
0587 RTS
|
1051 |
|
|
0588 *
|
1052 |
|
|
0589 LOOP4 LDX #$C000
|
1053 |
|
|
0590 STX $0A,U
|
1054 |
|
|
0591 TFR U,S
|
1055 |
|
|
0592 RTI
|
1056 |
|
|
0593 *
|
1057 |
|
|
0594 DELAY LDB #$04
|
1058 |
|
|
0595 LOOP5 DECB
|
1059 |
|
|
0596 BNE LOOP5
|
1060 |
|
|
0597 RTS
|
1061 |
|
|
0598 ENDIF MFDCOPT
|
1062 |
|
|
0598 ENDIF MFDCOPT
|
1063 |
|
|
0599 *
|
1064 |
|
|
0600 IFD DMAFOPT
|
1065 |
|
|
0601 *
|
1066 |
|
|
0602 *** "D" DISK BOOT FOR DMAF2 ***
|
1067 |
|
|
0603 *
|
1068 |
|
|
0604 DBOOT LDA #$DE
|
1069 |
|
|
0605 STA DRVREG
|
1070 |
|
|
0606 LDA #$FF
|
1071 |
|
|
0607 STA PRIREG $FAF8
|
1072 |
|
|
0608 STA CCREG
|
1073 |
|
|
0609 STA AAAREG
|
1074 |
|
|
0610 STA BBBREG
|
1075 |
|
|
0611 TST CCREG
|
1076 |
|
|
0612 LDA #$D8
|
1077 |
|
|
0613 STA COMREG
|
1078 |
|
|
0614 LBSR DLY
|
1079 |
|
|
0615 DBOOT0 LDA COMREG
|
1080 |
|
|
0616 BMI DBOOT0
|
1081 |
|
|
0617 LDA #$09
|
1082 |
|
|
0618 STA COMREG
|
1083 |
|
|
0619 LBSR DLY
|
1084 |
|
|
0620 *
|
1085 |
|
|
0621 DISKWT LDA COMREG FETCH DRIVE STATUS
|
1086 |
|
|
0622 BITA #1 TEST BUSY BIT
|
1087 |
|
|
0623 BNE DISKWT LOOP UNTIL NOT BUSY
|
1088 |
|
|
0624 *
|
1089 |
|
|
0625 BITA #$10
|
1090 |
|
|
0626 BNE DBOOT
|
1091 |
|
|
0627 *
|
1092 |
|
|
0628 LDX #$C000 LOGICAL ADDR. = $C000
|
1093 |
|
|
0629 BSR LRA GET 20 BIT PHYSICAL ADDR. OF LOG. ADDR.
|
1094 |
|
|
0630 ORA #$10
|
1095 |
|
|
0631 STA CCCREG
|
1096 |
|
|
0632 TFR X,D
|
1097 |
|
|
0633 COMA ;
|
1098 |
|
|
0634 COMB ;
|
1099 |
|
|
0635 STD ADDREG
|
1100 |
|
|
0636 LDX #$FEFF LOAD DMA BYTE COUNT = $100
|
1101 |
|
|
0637 STX CNTREG STORE IN COUNT REGISTER
|
1102 |
|
|
0638 LDA #$FF LOAD THE CHANNEL REGISTER
|
1103 |
|
|
0639 STA CCREG
|
1104 |
|
|
0640 LDA #$FE SET CHANNEL 0
|
1105 |
|
|
0641 STA PRIREG
|
1106 |
|
|
0642 LDA #1 SET SECTOR TO "1"
|
1107 |
|
|
0643 STA SECREG ISSUE COMMAND
|
1108 |
|
|
0644 LDA #$8C SET SINGLE SECTOR READ
|
1109 |
|
|
0645 STA COMREG ISSUE COMMAND
|
1110 |
|
|
0646 BSR DLY
|
1111 |
|
|
0647 *
|
1112 |
|
|
0648 * THE FOLLOWING CODE TESTS THE STATUS OF THE
|
1113 |
|
|
0649 * CHANNEL CONTROL REGISTER. IF "D7" IS NOT
|
1114 |
|
|
0650 * ZERO THEN IT WILL LOOP WAITING FOR "D7"
|
1115 |
|
|
0651 * TO GO TO ZERO. IF AFTER 65,536 TRIES IT
|
1116 |
|
|
0652 * IS STILL A ONE THE BOOT OPERATION WILL
|
1117 |
|
|
0653 * BE STARTED OVER FROM THE BEGINING.
|
1118 |
|
|
0654 *
|
1119 |
|
|
0655 CLRB ;
|
1120 |
|
|
0656 DBOOT1 PSHS B $FB55
|
1121 |
|
|
0657 CLRB ;
|
1122 |
|
|
0658 DBOOT2 TST CCREG
|
1123 |
|
|
0659 BPL DBOOT3
|
1124 |
|
|
0660 DECB ;
|
1125 |
|
|
0661 BNE DBOOT2
|
1126 |
|
|
0662 PULS B
|
1127 |
|
|
0663 DECB
|
1128 |
|
|
0664 BNE DBOOT1
|
1129 |
|
|
0665 BRA DBOOT
|
1130 |
|
|
0666 DBOOT3 PULS B
|
1131 |
|
|
0667 LDA COMREG
|
1132 |
|
|
0668 BITA #$1C
|
1133 |
|
|
0669 BEQ DBOOT4
|
1134 |
|
|
0670 RTS ;
|
1135 |
|
|
0671 *
|
1136 |
|
|
0672 *
|
1137 |
|
|
0673 DBOOT4 LDB #$DE
|
1138 |
|
|
0674 STB DRVREG
|
1139 |
|
|
0675 LDX #$C000
|
1140 |
|
|
0676 STX 10,U
|
1141 |
|
|
0677 TFR U,S $FB7B
|
1142 |
|
|
0678 RTI ;
|
1143 |
|
|
0679 ENDIF DMAFOPT
|
1144 |
|
|
0679 ENDIF DMAFOPT
|
1145 |
|
|
0680 *
|
1146 |
|
|
0681 IFD CF8OPT
|
1147 |
|
|
0682 *
|
1148 |
|
|
0683 * COMPACT FLASH BOOT
|
1149 |
|
|
0684 *
|
1150 |
|
|
0685 CFBOOT BSR WAITRDY
|
1151 |
|
|
0686 LDA #HEADLBA
|
1152 |
|
|
0687 STA CF_HEAD
|
1153 |
|
|
0688 BSR WAITRDY
|
1154 |
|
|
0689 LDA #FEAT8BIT
|
1155 |
|
|
0690 STA CF_FEATURE
|
1156 |
|
|
0691 LDA #CMDFEATURE
|
1157 |
|
|
0692 STA CF_COMAND
|
1158 |
|
|
0693 BSR WAITRDY
|
1159 |
|
|
0694 *
|
1160 |
|
|
0695 * READ SECTORS FROM CF
|
1161 |
|
|
0696 *
|
1162 |
|
|
0697 CFREAD LDA #$01
|
1163 |
|
|
0698 STA CF_SECCNT
|
1164 |
|
|
0699 CLRA
|
1165 |
|
|
0700 STA CF_SECNUM
|
1166 |
|
|
0701 STA CF_CYLLO
|
1167 |
|
|
0702 STA CF_CYLHI
|
1168 |
|
|
0703 *
|
1169 |
|
|
0704 LDA #CMDREAD ; IDE READ MULTIPLE
|
1170 |
|
|
0705 STA CF_COMAND
|
1171 |
|
|
0706 BSR WAITRDY
|
1172 |
|
|
0707 LDX #$C000
|
1173 |
|
|
0708 *
|
1174 |
|
|
0709 * READ LOOP
|
1175 |
|
|
0710 *
|
1176 |
|
|
0711 RDLOOP BSR WAITDRQ
|
1177 |
|
|
0712 LDA CF_DATA
|
1178 |
|
|
0713 STA ,X+
|
1179 |
|
|
0714 CMPX #$C200
|
1180 |
|
|
0715 BNE RDLOOP
|
1181 |
|
|
0716 *
|
1182 |
|
|
0717 LDX #$C000
|
1183 |
|
|
0718 STX $0A,U
|
1184 |
|
|
0719 TFR U,S
|
1185 |
|
|
0720 RTI
|
1186 |
|
|
0721 *
|
1187 |
|
|
0722 * WAIT UNTIL READY
|
1188 |
|
|
0723 *
|
1189 |
|
|
0724 WAITRDY LDA CF_STATUS
|
1190 |
|
|
0725 BITA #BUSY
|
1191 |
|
|
0726 BNE WAITRDY
|
1192 |
|
|
0727 LDA CF_STATUS
|
1193 |
|
|
0728 BITA #DRDY
|
1194 |
|
|
0729 BEQ WAITRDY
|
1195 |
|
|
0730 RTS
|
1196 |
|
|
0731 *
|
1197 |
|
|
0732 * WAIT FOR DATA REQUEST
|
1198 |
|
|
0733 *
|
1199 |
|
|
0734 WAITDRQ LDA CF_STATUS
|
1200 |
|
|
0735 BITA #DRQ
|
1201 |
|
|
0736 BEQ WAITDRQ
|
1202 |
|
|
0737 RTS
|
1203 |
|
|
0738 ENDIF CF8OPT
|
1204 |
|
|
0738 ENDIF CF8OPT
|
1205 |
|
|
0739 *
|
1206 |
|
|
0740 IFD IDEOPT
|
1207 |
|
|
0741 *
|
1208 |
|
|
0742 * XESS 16 BIT IDE BOOT
|
1209 |
|
|
0743 *
|
1210 |
|
|
0744 IDEBOOT LDD #AUXRESET
|
1211 |
|
|
0745 STD CF_AUX
|
1212 |
|
|
0746 LDD #AUXRSTREL
|
1213 |
|
|
0747 STD CF_AUX
|
1214 |
|
|
0748 LDD #HEADLBA
|
1215 |
|
|
0749 STD CF_HEAD
|
1216 |
|
|
0750 BSR WAITRDY
|
1217 |
|
|
0751 *
|
1218 |
|
|
0752 * READ SECTORS FROM CF
|
1219 |
|
|
0753 *
|
1220 |
|
|
0754 LDD #$01
|
1221 |
|
|
0755 STD CF_SECCNT
|
1222 |
|
|
0756 CLRB
|
1223 |
|
|
0757 STD CF_SECNUM
|
1224 |
|
|
0758 STD CF_CYLLO
|
1225 |
|
|
0759 STD CF_CYLHI
|
1226 |
|
|
0760 *
|
1227 |
|
|
0761 LDB #CMDREAD ; IDE READ MULTIPLE
|
1228 |
|
|
0762 STD CF_COMAND
|
1229 |
|
|
0763 BSR WAITRDY
|
1230 |
|
|
0764 LDX #$C000
|
1231 |
|
|
0765 *
|
1232 |
|
|
0766 * READ LOOP
|
1233 |
|
|
0767 *
|
1234 |
|
|
0768 RDLOOP BSR WAITDRQ
|
1235 |
|
|
0769 LDD CF_DATA
|
1236 |
|
|
0770 STB ,X+
|
1237 |
|
|
0771 CMPX #$C100
|
1238 |
|
|
0772 BNE RDLOOP
|
1239 |
|
|
0773 *
|
1240 |
|
|
0774 LDX #$C000
|
1241 |
|
|
0775 STX $0A,U
|
1242 |
|
|
0776 TFR U,S
|
1243 |
|
|
0777 RTI
|
1244 |
|
|
0778 *
|
1245 |
|
|
0779 * WAIT UNTIL READY
|
1246 |
|
|
0780 *
|
1247 |
|
|
0781 WAITRDY LDD CF_STATUS
|
1248 |
|
|
0782 BITB #BUSY
|
1249 |
|
|
0783 BNE WAITRDY
|
1250 |
|
|
0784 LDD CF_STATUS
|
1251 |
|
|
0785 BITB #DRDY
|
1252 |
|
|
0786 BEQ WAITRDY
|
1253 |
|
|
0787 RTS
|
1254 |
|
|
0788 *
|
1255 |
|
|
0789 * WAIT FOR DATA REQUEST
|
1256 |
|
|
0790 *
|
1257 |
|
|
0791 WAITDRQ LDD CF_STATUS
|
1258 |
|
|
0792 BITB #DRQ
|
1259 |
|
|
0793 BEQ WAITDRQ
|
1260 |
|
|
0794 RTS
|
1261 |
|
|
0795 ENDIF IDEOPT
|
1262 |
|
|
0795 ENDIF IDEOPT
|
1263 |
|
|
0796 *
|
1264 |
|
|
0797 IFD RTCOPT
|
1265 |
|
|
0798 *
|
1266 |
|
|
0799 * CLOCK INTER FACE UTILITY
|
1267 |
|
|
0800 *
|
1268 |
|
|
0801 * TIME
|
1269 |
|
|
0802 * If no argument is specified, the current time
|
1270 |
|
|
0803 * will be displayed.
|
1271 |
|
|
0804 *
|
1272 |
|
|
0805 * READ A REGISTER FROM THE COUNTER.
|
1273 |
|
|
0806 * The X Index rgister points to the register
|
1274 |
|
|
0807 * to be read. The Status Register is checked
|
1275 |
|
|
0808 * before and after the register is read before
|
1276 |
|
|
0809 * returning a value in accumulator A
|
1277 |
|
|
0810 *
|
1278 |
|
|
0811 RDCLK TST CLKSTA
|
1279 |
|
|
0812 BNE RDCLK
|
1280 |
|
|
0813 RDCLK1 LDA 0,X
|
1281 |
|
|
0814 TST CLKSTA
|
1282 |
|
|
0815 BNE RDCLK1
|
1283 |
|
|
0816 RTS
|
1284 |
|
|
0817 *
|
1285 |
|
|
0818 * MAIN PROGRAM:
|
1286 |
|
|
0819 *
|
1287 |
|
|
0820 TIMSET LDX #COUNTR POINT TO TIMER
|
1288 |
|
|
0821 LBSR BYTE READ HOURS
|
1289 |
|
|
0822 BVS SHOWTM NO ARG, DISP TIME
|
1290 |
|
|
0823 STA HOUR,X
|
1291 |
|
|
0824 LBSR OUT1S
|
1292 |
|
|
0825 LBSR BYTE READ MINUITES
|
1293 |
|
|
0826 BVS SHOWTM
|
1294 |
|
|
0827 STA MINUIT,X
|
1295 |
|
|
0828 LBSR OUT1S
|
1296 |
|
|
0829 LBSR BYTE SECONDS.
|
1297 |
|
|
0830 BVS SHOWTM
|
1298 |
|
|
0831 STA SECOND,X
|
1299 |
|
|
0832 *
|
1300 |
|
|
0833 * DISPLAY CURRENT TIME
|
1301 |
|
|
0834 *
|
1302 |
|
|
0835 SHOWTM LBSR PCRLF
|
1303 |
|
|
0836 LDX #COUNTR+HOUR
|
1304 |
|
|
0837 LDB #3
|
1305 |
|
|
0838 SHOWLP BSR RDCLK
|
1306 |
|
|
0839 LBSR OUT2H
|
1307 |
|
|
0840 LDA #':
|
1308 |
|
|
0841 LBSR OUTCH
|
1309 |
|
|
0842 LEAX -1,X
|
1310 |
|
|
0843 DECB
|
1311 |
|
|
0844 BNE SHOWLP
|
1312 |
|
|
0845 RTS
|
1313 |
|
|
0846 *
|
1314 |
|
|
0847 * INITIATE CLOCK.
|
1315 |
|
|
0848 * MASK INTERRUPTS.
|
1316 |
|
|
0849 *
|
1317 |
|
|
0850 CLKINZ CLR CINTCR MASK ALL INTERRUPTS
|
1318 |
|
|
0851 TST CINTSR CLEAR ANY INTERRUPTS
|
1319 |
|
|
0852 RTS
|
1320 |
|
|
0853 ENDIF RTCOPT
|
1321 |
|
|
0853 ENDIF RTCOPT
|
1322 |
|
|
0854 IFD DATOPT
|
1323 |
|
|
0855 *
|
1324 |
|
|
0856 ***** LRA LOAD REAL ADDRESS *****
|
1325 |
|
|
0857 *
|
1326 |
|
|
0858 * THE FOLLOWING CODE LOADS THE 20-BIT
|
1327 |
|
|
0859 * PHYSICAL ADDRESS OF A MEMORY BYTE
|
1328 |
|
|
0860 * INTO THE "A" AND "X" REGISTERS. THIS
|
1329 |
|
|
0861 * ROUTINE IS ENTERED WITH THE LOGICAL
|
1330 |
|
|
0862 * ADDRESS OF A MEMORY BYTE IN THE "IX"
|
1331 |
|
|
0863 * REGISTER. EXIT IS MADE WITH THE HIGH-
|
1332 |
|
|
0864 * ORDER FOUR BITS OF THE 20-BIT PHYSICAL
|
1333 |
|
|
0865 * ADDRESS IN THE "A" REGISTER, AND THE
|
1334 |
|
|
0866 * LOW-ORDER 16-BITS OF THE 20-BIT
|
1335 |
|
|
0867 * PHYSICAL ADDRESS IN THE "IX" REGISTER.
|
1336 |
|
|
0868 * ALL OTHER REGISTERS ARE PRESERVED.
|
1337 |
|
|
0869 * THIS ROUTINE IS REQUIRED SINCE THE
|
1338 |
|
|
0870 * DMAF1 AND DMAF2 DISK CONTROLLERS MUST
|
1339 |
|
|
0871 * PRESENT PHYSICAL ADDRESSES ON THE
|
1340 |
|
|
0872 * SYSTEM BUS.
|
1341 |
|
|
0873 *
|
1342 |
|
|
0874 LRA PSHS A,B,X,Y PUSH REGISTERS ON STACK
|
1343 |
|
|
0875 LDA 2,S GET MSB LOGICAL ADDR FRM X REG ON STACK
|
1344 |
|
|
0876 LSRA ;
|
1345 |
|
|
0877 LSRA ADJ FOR INDEXED INTO
|
1346 |
|
|
0878 LSRA CORRESPONDING LOCATION
|
1347 |
|
|
0879 LSRA IN LRA TABLE
|
1348 |
|
|
0880 LDY #LRARAM LOAD LRA TABLE BASE ADDRESS
|
1349 |
|
|
0881 LDB A,Y GET PHYSICAL ADDR. DATA FROM LRA TABLE
|
1350 |
|
|
0882 LSRB ADJ. REAL ADDR. TO REFLECT EXTENDED
|
1351 |
|
|
0883 LSRB PHYSICAL ADDRESS.
|
1352 |
|
|
0884 LSRB EXTENDED MS 4-BITS ARE RETURNED
|
1353 |
|
|
0885 LSRB IN THE "A" ACCUMULATOR
|
1354 |
|
|
0886 STB ,S MS 4 BITS IN A ACCUM. STORED ON STACK
|
1355 |
|
|
0887 LDB A,Y LOAD REAL ADDRESS DATA FROM LRA TABLE
|
1356 |
|
|
0888 COMB COMP TO ADJ FOR PHYSICAL ADDR. IN X REG
|
1357 |
|
|
0889 ASLB ADJ DATA FOR RELOCATION IN X REG
|
1358 |
|
|
0890 ASLB ;
|
1359 |
|
|
0891 ASLB $FB97
|
1360 |
|
|
0892 ASLB ;
|
1361 |
|
|
0893 LDA 2,S GET MS BYTE OF LOGICAL ADDR.
|
1362 |
|
|
0894 ANDA #$0F MASK MS NIBBLE OF LOGICAL ADDRESS
|
1363 |
|
|
0895 STA 2,S SAVE IT IN X REG ON STACK
|
1364 |
|
|
0896 ORB 2,S SET MS BYTE IN X REG TO ADJ PHY ADDR.
|
1365 |
|
|
0897 *
|
1366 |
|
|
0898 * PLUS LS NIBBLE OF LOGICAL ADDRESS
|
1367 |
|
|
0899 STB 2,S SAVE AS LS 16 BITS OF PHY ADDR IN X REG
|
1368 |
|
|
0900 * ON STACK
|
1369 |
|
|
0901 PULS A,B,X,Y,PC POP REGS. FROM STACK
|
1370 |
|
|
0902 ENDIF DATOPT
|
1371 |
|
|
0902 ENDIF DATOPT
|
1372 |
|
|
0903 *
|
1373 |
|
|
0904 * DELAY LOOP
|
1374 |
|
|
0905 *
|
1375 |
|
|
0906 FA48 34 04 DLY PSHS B SAVE CONTENTS OF "B"
|
1376 |
|
|
0907 FA4A C6 20 LDB #$20 GET LOOP DELAY VALUE
|
1377 |
|
|
0908 FA4C 5A SUB1 DECB SUBTRACT ONE FROM VALUE
|
1378 |
|
|
0909 FA4D 26 FD BNE SUB1 LOOP UNTIL ZERO
|
1379 |
|
|
0910 FA4F 35 84 PULS B,PC RESTORE CONTENTS OF "B"
|
1380 |
|
|
0911 * RTS ;
|
1381 |
|
|
0912 *
|
1382 |
|
|
0913 ***** "L" LOAD MIKBUG TAPE *****
|
1383 |
|
|
0914 *
|
1384 |
|
|
0915 FA51 BD FC D2 LOAD JSR ACINIZ
|
1385 |
|
|
0916 FA54 86 11 LDA #$11 LOAD 'DC1' CASS. READ ON CODE
|
1386 |
|
|
0917 FA56 17 02 64 LBSR OUTCH OUTPUT IT TO TERMINAL PORT
|
1387 |
|
|
0918 FA59 7F 7F D2 CLR ECHO TURN OFF ECHO FLAG
|
1388 |
|
|
0919 FA5C 17 02 26 LOAD1 LBSR ECHON INPUT 8 BIT BYTE WITH NO ECHO
|
1389 |
|
|
0920 FA5F 81 53 LOAD2 CMPA #'S IS IT AN "S", START CHARACTER ?
|
1390 |
|
|
0921 FA61 26 F9 BNE LOAD1 IF NOT, DISCARD AND GET NEXT CHAR.
|
1391 |
|
|
0922 FA63 17 02 1F LBSR ECHON
|
1392 |
|
|
0923 FA66 81 39 CMPA #'9 IS IT A "9" , END OF FILE CHAR ?
|
1393 |
|
|
0924 FA68 27 3D BEQ LOAD21 IF SO, EXIT LOAD
|
1394 |
|
|
0925 FA6A 81 31 CMPA #'1 IS IT A "1" , FILE LOAD CHAR ?
|
1395 |
|
|
0926 FA6C 26 F1 BNE LOAD2 IF NOT, LOOK FOR START CHAR.
|
1396 |
|
|
0927 FA6E 17 01 A8 LBSR BYTE INPUT BYTE COUNT
|
1397 |
|
|
0928 FA71 34 02 PSHS A PUSH COUNT ON STACK
|
1398 |
|
|
0929 FA73 29 26 BVS LODERR (V) C-CODE SET, ILLEGAL HEX
|
1399 |
|
|
0930 FA75 17 01 91 LBSR IN1ADR INPUT LOAD ADDRESS
|
1400 |
|
|
0931 FA78 29 21 BVS LODERR (V) C-CODE SET, ADDR NOT HEX
|
1401 |
|
|
0932 FA7A 34 10 PSHS X PUSH ADDR ON STACK
|
1402 |
|
|
0933 FA7C E6 E0 LDB ,S+ LOAD MSB OF ADDR AS CHECKSUM BYTE
|
1403 |
|
|
0934 FA7E EB E0 ADDB ,S+ ADD LSB OF ADDR TO CHECKSUM
|
1404 |
|
|
0935 FA80 EB E4 ADDB ,S ADD BYTE COUNT BYTE TO CHECKSUM
|
1405 |
|
|
0936 FA82 6A E4 DEC ,S $FC37 DECREMENT BYTE COUNT 2 TO BYPASS
|
1406 |
|
|
0937 FA84 6A E4 DEC ,S ADDRESS BYTES.
|
1407 |
|
|
0938 FA86 34 04 LOAD10 PSHS B PUSH CHECKSUM ON STACK
|
1408 |
|
|
0939 FA88 17 01 8E LBSR BYTE INPUT DATA BYTE (2 HEX CHAR)
|
1409 |
|
|
0940 FA8B 35 04 PULS B POP CHECKSUM FROM STACK
|
1410 |
|
|
0941 FA8D 29 0C BVS LODERR (V) SET, DATA BYTE NOT HEX
|
1411 |
|
|
0942 FA8F 34 02 PSHS A PUSH DATA BYTE ON STACK
|
1412 |
|
|
0943 FA91 EB E0 ADDB ,S+ ADD DATA TO CHECKSUM, AUTO INC STACK
|
1413 |
|
|
0944 FA93 6A E4 DEC ,S DECREMENT BYTE COUNT 1
|
1414 |
|
|
0945 FA95 27 05 BEQ LOAD16 IF BYTE COUNT ZERO, TEST CHECKSUM
|
1415 |
|
|
0946 FA97 A7 80 STA ,X+ SAVE DATA BYTE IN MEMORY
|
1416 |
|
|
0947 FA99 20 EB BRA LOAD10 GET NEXT DATA BYTE
|
1417 |
|
|
0948 FA9B 5F LODERR CLRB ;ERROR CONDITION, ZERO CHECKSUM ;
|
1418 |
|
|
0949 FA9C 35 02 LOAD16 PULS A ADJUST STACK (REMOVE BYTE COUNT)
|
1419 |
|
|
0950 FA9E C1 FF CMPB #$FF CHECKSUM OK?
|
1420 |
|
|
0951 FAA0 27 BA BEQ LOAD1 IF SO, LOAD NEXT LINE
|
1421 |
|
|
0952 FAA2 86 3F LDA #'? LOAD (?) ERROR INDICATOR
|
1422 |
|
|
0953 FAA4 17 02 16 LBSR OUTCH OUTPUT IT TO TERMINAL
|
1423 |
|
|
0954 FAA7 73 7F D2 LOAD21 COM ECHO TURN ECHO ON
|
1424 |
|
|
0955 FAAA 86 13 LDA #$13 $FC5F LOAD 'DC3' CASS. READ OFF CODE
|
1425 |
|
|
0956 FAAC 16 02 0E LBRA OUTCH OUTPUT IT
|
1426 |
|
|
0957 *
|
1427 |
|
|
0958 ***** "P" PUNCH MIKBUG TAPE *****
|
1428 |
|
|
0959 *
|
1429 |
|
|
0960 FAAF 6F E2 PUNCH CLR ,-S CLEAR RESERVED BYTE ON STACK
|
1430 |
|
|
0961 FAB1 17 01 4A LBSR IN2ADR GET BEGIN AND END ADDRESS
|
1431 |
|
|
0962 FAB4 34 30 PSHS X,Y SAVE ADDRESSES ON STACK
|
1432 |
|
|
0963 FAB6 29 4D BVS PUNEXT (V) C-CODE SET, EXIT PUNCH
|
1433 |
|
|
0964 FAB8 AC 62 CMPX 2,S COMPARE BEGIN TO END ADDR
|
1434 |
|
|
0965 FABA 25 49 BCS PUNEXT IF BEGIN GREATER THAN END, EXIT PUNCH
|
1435 |
|
|
0966 FABC 30 01 LEAX 1,X INCREMENT END ADDRESS
|
1436 |
|
|
0967 FABE AF E4 STX ,S STORE END ADDR ON STACK
|
1437 |
|
|
0968 FAC0 BD FC D2 JSR ACINIZ
|
1438 |
|
|
0969 FAC3 86 12 LDA #$12 LOAD 'DC2' PUNCH ON CODE
|
1439 |
|
|
0970 FAC5 17 01 F5 LBSR OUTCH OUTPUT IT TO TERMINAL
|
1440 |
|
|
0971 FAC8 EC E4 PUNCH2 LDD ,S LOAD END ADDR IN D-ACC
|
1441 |
|
|
0972 FACA A3 62 SUBD 2,S SUBTRACT BEGIN FROM END
|
1442 |
|
|
0973 FACC 27 06 BEQ PUNCH3 SAME, PUNCH 32 BYTES DEFAULT
|
1443 |
|
|
0974 FACE 10 83 00 20 CMPD #$20 LESS THAN 32 BYTES?
|
1444 |
|
|
0975 FAD2 23 02 BLS PUNCH4 PUNCH THAT MANY BYTES
|
1445 |
|
|
0976 FAD4 C6 20 PUNCH3 LDB #$20 LOAD BYTE COUNT OF 32.
|
1446 |
|
|
0977 FAD6 E7 64 PUNCH4 STB 4,S STORE ON STACK AS BYTE COUNT
|
1447 |
|
|
0978 FAD8 8E FE DE LDX #MSG20 POINT TO MSG "S1"
|
1448 |
|
|
0979 FADB 17 00 2F LBSR PSTRNG PRINT MSG
|
1449 |
|
|
0980 FADE CB 03 ADDB #3 ADD 3 BYTES TO BYTE COUNT
|
1450 |
|
|
0981 FAE0 1F 98 TFR B,A GET BYTE COUNT IN A-ACC TO PUNCH
|
1451 |
|
|
0982 FAE2 17 01 75 LBSR OUT2H OUTPUT BYTE COUNT
|
1452 |
|
|
0983 FAE5 AE 62 LDX 2,S LOAD BEGIN ADDRESS
|
1453 |
|
|
0984 FAE7 17 01 68 LBSR OUT4H PUNCH ADDRESS
|
1454 |
|
|
0985 FAEA EB 62 ADDB 2,S ADD ADDR MSB TO CHECKSUM
|
1455 |
|
|
0986 FAEC EB 63 ADDB 3,S ADD ADDR LSB TO CHECKSUM
|
1456 |
|
|
0987 FAEE EB 84 PUNCHL ADDB ,X ADD DATA BYTE TO CHECKSUM
|
1457 |
|
|
0988 FAF0 A6 80 LDA ,X+ LOAD DATA BYTE TO PUNCH
|
1458 |
|
|
0989 FAF2 17 01 65 LBSR OUT2H OUTPUT DATA BYTE
|
1459 |
|
|
0990 FAF5 6A 64 DEC 4,S DECREMENT BYTE COUNT
|
1460 |
|
|
0991 FAF7 26 F5 BNE PUNCHL NOT DONE, PUNCH NEXT BYTE
|
1461 |
|
|
0992 FAF9 53 COMB 1's COMPLIMENT CHECKSUM BYTE
|
1462 |
|
|
0993 FAFA 1F 98 TFR B,A GET IT IN A-ACC TO PUNCH
|
1463 |
|
|
0994 FAFC 17 01 5B LBSR OUT2H OUTPUT CHECKSUM BYTE
|
1464 |
|
|
0995 FAFF AF 62 STX 2,S SAVE X-REG IN STACK AS NEW PUNCH ADDR
|
1465 |
|
|
0996 FB01 AC E4 CMPX ,S COMPARE IT TO END ADDR
|
1466 |
|
|
0997 FB03 26 C3 BNE PUNCH2 $FCB5 PUNCH NOT DONE, CONT.
|
1467 |
|
|
0998 FB05 86 14 PUNEXT LDA #$14 LOAD 'DC4' PUNCH OFF CODE
|
1468 |
|
|
0999 FB07 17 01 B3 LBSR OUTCH OUTPUT IT
|
1469 |
|
|
1000 FB0A 32 65 LEAS 5,S READJUST STACK POINTER
|
1470 |
|
|
1001 FB0C 39 RTS ;
|
1471 |
|
|
1002 *
|
1472 |
|
|
1003 * PRINT STRING PRECEEDED BY A CR & LF.
|
1473 |
|
|
1004 *
|
1474 |
|
|
1005 FB0D 8D 02 PSTRNG BSR PCRLF PRINT CR/LF
|
1475 |
|
|
1006 FB0F 20 71 BRA PDATA PRINT STRING POINTED TO BY IX
|
1476 |
|
|
1007 *
|
1477 |
|
|
1008 * PCRLF
|
1478 |
|
|
1009 *
|
1479 |
|
|
1010 FB11 34 10 PCRLF PSHS X SAVE IX
|
1480 |
|
|
1011 FB13 8E FE 8F LDX #MSG2+1 POINT TO MSG CR/LF + 3 NULS
|
1481 |
|
|
1012 FB16 17 00 69 LBSR PDATA PRINT MSG
|
1482 |
|
|
1013 FB19 35 90 PULS X,PC RESTORE IX & RETURN
|
1483 |
|
|
1014 *
|
1484 |
|
|
1015 * LONG BRANCHES TO COMMON ROUTINES
|
1485 |
|
|
1016 *
|
1486 |
|
|
1017 FB1B 16 01 9D JOUT1S LBRA OUT1S
|
1487 |
|
|
1018 FB1E 16 00 F8 JBYTE LBRA BYTE
|
1488 |
|
|
1019 FB21 16 00 E5 JIN1ADR LBRA IN1ADR
|
1489 |
|
|
1020 *
|
1490 |
|
|
1021 * ALTER "PC" PROGRAM COUNTER
|
1491 |
|
|
1022 *
|
1492 |
|
|
1023 FB24 17 00 91 ALTRPC LBSR PRTPC $FCF5 PRINT MSG " PC = "
|
1493 |
|
|
1024 FB27 8D F2 ALTPC1 BSR JOUT1S OUTPUT SPACE
|
1494 |
|
|
1025 FB29 8D F6 BSR JIN1ADR GET NEW CONTENTS FOR "PC"
|
1495 |
|
|
1026 FB2B 29 02 BVS ALTPCD EXIT IF INVALID HEX
|
1496 |
|
|
1027 FB2D AF 4A STX 10,U POKE IN NEW CONTENTS
|
1497 |
|
|
1028 FB2F 39 ALTPCD RTS ;
|
1498 |
|
|
1029 *
|
1499 |
|
|
1030 * ALTER "U" USER STACK POINTER
|
1500 |
|
|
1031 *
|
1501 |
|
|
1032 FB30 8D 61 ALTRU BSR PRTUS $FCCA PRINT MSG " US = "
|
1502 |
|
|
1033 FB32 8D E7 BSR JOUT1S OUTPUT SPACE
|
1503 |
|
|
1034 FB34 8D EB BSR JIN1ADR
|
1504 |
|
|
1035 FB36 29 02 BVS ALTUD
|
1505 |
|
|
1036 FB38 AF 48 STX 8,U
|
1506 |
|
|
1037 FB3A 39 ALTUD RTS ;
|
1507 |
|
|
1038 *
|
1508 |
|
|
1039 * ALTER "Y" INDEX REGISTER
|
1509 |
|
|
1040 *
|
1510 |
|
|
1041 FB3B 8D 72 ALTRY BSR PRTIY PRINT MSG " IY = "
|
1511 |
|
|
1042 FB3D 8D DC BSR JOUT1S OUTPUT SPACE
|
1512 |
|
|
1043 FB3F 8D E0 BSR JIN1ADR
|
1513 |
|
|
1044 FB41 29 02 BVS ALTYD
|
1514 |
|
|
1045 FB43 AF 46 STX 6,U $F8F0
|
1515 |
|
|
1046 FB45 39 ALTYD RTS ;
|
1516 |
|
|
1047 *
|
1517 |
|
|
1048 * ALTER "X" INDEX REGISTER
|
1518 |
|
|
1049 *
|
1519 |
|
|
1050 FB46 8D 5E ALTRX BSR PRTIX $FCE0 PRINT MSG " IX = "
|
1520 |
|
|
1051 FB48 8D D1 BSR JOUT1S OUTPUT SPACE
|
1521 |
|
|
1052 FB4A 8D D5 BSR JIN1ADR
|
1522 |
|
|
1053 FB4C 29 02 BVS ALTXD
|
1523 |
|
|
1054 FB4E AF 44 STX 4,U
|
1524 |
|
|
1055 FB50 39 ALTXD RTS ;
|
1525 |
|
|
1056 *
|
1526 |
|
|
1057 * ALTER "DP" DIRECT PAGE REGISTER
|
1527 |
|
|
1058 *
|
1528 |
|
|
1059 FB51 8D 49 ALTRDP BSR PRTDP $FCD5 PRINT MSG " DP = "
|
1529 |
|
|
1060 FB53 8D C6 BSR JOUT1S OUTPUT SPACE
|
1530 |
|
|
1061 FB55 8D C7 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
1531 |
|
|
1062 FB57 29 02 BVS ALTDPD
|
1532 |
|
|
1063 FB59 A7 43 STA 3,U
|
1533 |
|
|
1064 FB5B 39 ALTDPD RTS ;
|
1534 |
|
|
1065 *
|
1535 |
|
|
1066 * ALTER "B" ACCUMULATOR
|
1536 |
|
|
1067 *
|
1537 |
|
|
1068 FB5C 8D 6C ALTRB BSR PRTB $FD09 PRINT MSG " B = "
|
1538 |
|
|
1069 FB5E 8D BB BSR JOUT1S OUTPUT SPACE
|
1539 |
|
|
1070 FB60 8D BC BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
1540 |
|
|
1071 FB62 29 02 BVS ALTBD
|
1541 |
|
|
1072 FB64 A7 42 STA 2,U
|
1542 |
|
|
1073 FB66 39 ALTBD RTS $F91C
|
1543 |
|
|
1074 *
|
1544 |
|
|
1075 * ALTER "A" ACCUMULATOR
|
1545 |
|
|
1076 *
|
1546 |
|
|
1077 FB67 8D 58 ALTRA BSR PRTA $FCFF RINT MSG " A = "
|
1547 |
|
|
1078 FB69 8D B0 BSR JOUT1S OUTPUT SPACE
|
1548 |
|
|
1079 FB6B 8D B1 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
1549 |
|
|
1080 FB6D 29 02 BVS ALTAD
|
1550 |
|
|
1081 FB6F A7 41 STA 1,U
|
1551 |
|
|
1082 FB71 39 ALTAD RTS ;
|
1552 |
|
|
1083 *
|
1553 |
|
|
1084 * ALTER "CC" REGISTER
|
1554 |
|
|
1085 *
|
1555 |
|
|
1086 FB72 8D 5F ALTRCC BSR PRTCC $FD13 PRINT MSG " CC: "
|
1556 |
|
|
1087 FB74 8D A5 BSR JOUT1S OUTPUT SPACE
|
1557 |
|
|
1088 FB76 8D A6 BSR JBYTE INPUT BYTE (2 HEX CHAR)
|
1558 |
|
|
1089 FB78 29 04 BVS ALTCCD
|
1559 |
|
|
1090 FB7A 8A 80 ORA #$80 SETS "E" FLAG IN PRINT LIST
|
1560 |
|
|
1091 FB7C A7 C4 STA ,U
|
1561 |
|
|
1092 FB7E 39 ALTCCD RTS ;
|
1562 |
|
|
1093 *
|
1563 |
|
|
1094 * PDATA
|
1564 |
|
|
1095 *
|
1565 |
|
|
1096 FB7F 17 01 3B PRINT LBSR OUTCH
|
1566 |
|
|
1097 FB82 A6 80 PDATA LDA ,X+ GET 1st CHAR. TO PRINT
|
1567 |
|
|
1098 FB84 81 04 CMPA #4 IS IT EOT?
|
1568 |
|
|
1099 FB86 26 F7 BNE PRINT IF NOT EOT PRINT IT
|
1569 |
|
|
1100 FB88 39 RTS ;
|
1570 |
|
|
1101 *
|
1571 |
|
|
1102 * PRINT REGISTERS
|
1572 |
|
|
1103 *
|
1573 |
|
|
1104 FB89 8E FE A1 PRTSP LDX #MSG10 POINT TO MSG "SP="
|
1574 |
|
|
1105 FB8C 8D F4 BSR PDATA PRINT MSG
|
1575 |
|
|
1106 FB8E 1F 31 TFR U,X
|
1576 |
|
|
1107 FB90 16 00 BF JOUT4H LBRA OUT4H
|
1577 |
|
|
1108 *
|
1578 |
|
|
1109 FB93 8E FE AD PRTUS LDX #MSG12 POINT TO MSG "US="
|
1579 |
|
|
1110 FB96 8D EA BSR PDATA PRINT MSG
|
1580 |
|
|
1111 FB98 AE 48 LDX 8,U
|
1581 |
|
|
1112 FB9A 20 F4 BRA JOUT4H
|
1582 |
|
|
1113 *
|
1583 |
|
|
1114 FB9C 8E FE BF PRTDP LDX #MSG15 POINT TO MSG "DP="
|
1584 |
|
|
1115 FB9F 8D E1 BSR PDATA PRINT MSG
|
1585 |
|
|
1116 FBA1 A6 43 LDA 3,U
|
1586 |
|
|
1117 FBA3 16 00 B4 JOUT2H LBRA OUT2H OUTPUT HEX BYTE AS ASCII
|
1587 |
|
|
1118 *
|
1588 |
|
|
1119 FBA6 8E FE B9 PRTIX LDX #MSG14 POINT TO MSG "IX="
|
1589 |
|
|
1120 FBA9 8D D7 BSR PDATA PRINT MSG
|
1590 |
|
|
1121 FBAB AE 44 LDX 4,U $FCE6
|
1591 |
|
|
1122 FBAD 20 E1 BRA JOUT4H
|
1592 |
|
|
1123 *
|
1593 |
|
|
1124 FBAF 8E FE B3 PRTIY LDX #MSG13 POINT TO MSG "IY="
|
1594 |
|
|
1125 FBB2 8D CE BSR PDATA PRINT MSG
|
1595 |
|
|
1126 FBB4 AE 46 LDX 6,U
|
1596 |
|
|
1127 FBB6 20 D8 BRA JOUT4H
|
1597 |
|
|
1128 *
|
1598 |
|
|
1129 FBB8 8E FE A7 PRTPC LDX #MSG11 POINT TO MSG "PC="
|
1599 |
|
|
1130 FBBB 8D C5 BSR PDATA PRINT MSG
|
1600 |
|
|
1131 FBBD AE 4A LDX 10,U
|
1601 |
|
|
1132 FBBF 20 CF BRA JOUT4H
|
1602 |
|
|
1133 *
|
1603 |
|
|
1134 FBC1 8E FE C5 PRTA LDX #MSG16 POINT TO MSG "A="
|
1604 |
|
|
1135 FBC4 8D BC BSR PDATA PRINT MSG
|
1605 |
|
|
1136 FBC6 A6 41 LDA 1,U
|
1606 |
|
|
1137 FBC8 20 D9 BRA JOUT2H OUTPUT HEX BYTE AS ASCII
|
1607 |
|
|
1138 *
|
1608 |
|
|
1139 FBCA 8E FE CA PRTB LDX #MSG17 POINT TO MSG "B="
|
1609 |
|
|
1140 FBCD 8D B3 BSR PDATA PRINT MSG
|
1610 |
|
|
1141 FBCF A6 42 LDA 2,U
|
1611 |
|
|
1142 FBD1 20 D0 BRA JOUT2H OUTPUT HEX BYTE AS ASCII
|
1612 |
|
|
1143 *
|
1613 |
|
|
1144 FBD3 8E FE CF PRTCC LDX #MSG18 POINT TO MSG "CC:"
|
1614 |
|
|
1145 FBD6 8D AA BSR PDATA PRINT MSG
|
1615 |
|
|
1146 FBD8 A6 C4 LDA ,U
|
1616 |
|
|
1147 FBDA 8E FE D6 LDX #MSG19 POINT TO MSG "EFHINZVC"
|
1617 |
|
|
1148 FBDD 16 00 90 LBRA BIASCI OUTPUT IN BINARY/ASCII FORMAT
|
1618 |
|
|
1149 *
|
1619 |
|
|
1150 * "R" DISPLAY REGISTERS
|
1620 |
|
|
1151 *
|
1621 |
|
|
1152 FBE0 8E FE 9D REGSTR LDX #MSG5 POINT TO MSG " - "
|
1622 |
|
|
1153 FBE3 17 FF 27 LBSR PSTRNG PRINT MSG
|
1623 |
|
|
1154 FBE6 8D A1 BSR PRTSP $FCBF
|
1624 |
|
|
1155 FBE8 8D A9 BSR PRTUS $FCCA
|
1625 |
|
|
1156 FBEA 8D B0 BSR PRTDP $FCD5
|
1626 |
|
|
1157 FBEC 8D B8 BSR PRTIX $FCE0
|
1627 |
|
|
1158 FBEE 8D BF BSR PRTIY $FCEB
|
1628 |
|
|
1159 FBF0 8E FE 9D LDX #MSG5 POINT TO MSG " - "
|
1629 |
|
|
1160 FBF3 17 FF 17 LBSR PSTRNG PRINT MSG
|
1630 |
|
|
1161 FBF6 8D C0 BSR PRTPC $FCF5
|
1631 |
|
|
1162 FBF8 8D C7 BSR PRTA $FCFF
|
1632 |
|
|
1163 FBFA 8D CE BSR PRTB $FD09
|
1633 |
|
|
1164 FBFC 20 D5 BRA PRTCC $FD13
|
1634 |
|
|
1165 *
|
1635 |
|
|
1166 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
1636 |
|
|
1167 * OPERATOR TO INPUT TWO VALID HEX ADDRESSES.
|
1637 |
|
|
1168 * THE FIRST ADDRESS INPUT IS RETURNED IN "IY".
|
1638 |
|
|
1169 * THE SECOND IS RETURNED IN "IX". THE "V" BIT
|
1639 |
|
|
1170 * IN THE C-CODE REG. IS SET IF AN INVALID HEX
|
1640 |
|
|
1171 * ADDRESS IS INPUT.
|
1641 |
|
|
1172 *
|
1642 |
|
|
1173 FBFE 8D 09 IN2ADR BSR IN1ADR GET FIRST ADDRESS
|
1643 |
|
|
1174 FC00 29 4D BVS NOTHEX EXIT IF NOT VALID HEX
|
1644 |
|
|
1175 FC02 1F 12 TFR X,Y SAVE FIRST ADDR. IN "IY"
|
1645 |
|
|
1176 FC04 86 2D LDA #'-
|
1646 |
|
|
1177 FC06 17 00 B4 LBSR OUTCH PRINT " - "
|
1647 |
|
|
1178 *
|
1648 |
|
|
1179 * THE FOLLOWING ROUTINE LOOPS WAITING FOR THE
|
1649 |
|
|
1180 * OPERATOR TO INPUT ONE VALID HEX ADDRESS. THE
|
1650 |
|
|
1181 * ADDRESS IS RETURNED IN THE "X" REGISTER.
|
1651 |
|
|
1182 *
|
1652 |
|
|
1183 FC09 8D 0E IN1ADR BSR BYTE INPUT BYTE (2 HEX CHAR)
|
1653 |
|
|
1184 FC0B 29 42 BVS NOTHEX EXIT IF NOT VALID HEX
|
1654 |
|
|
1185 FC0D 1F 01 TFR D,X
|
1655 |
|
|
1186 FC0F 8D 08 BSR BYTE INPUT BYTE (2 HEX CHAR)
|
1656 |
|
|
1187 FC11 29 3C BVS NOTHEX
|
1657 |
|
|
1188 FC13 34 10 PSHS X
|
1658 |
|
|
1189 FC15 A7 61 STA 1,S
|
1659 |
|
|
1190 FC17 35 90 PULS X,PC
|
1660 |
|
|
1191 *
|
1661 |
|
|
1192 ***** INPUT BYTE (2 HEX CHAR.) *****
|
1662 |
|
|
1193 *
|
1663 |
|
|
1194 FC19 8D 11 BYTE BSR INHEX GET HEX LEFT
|
1664 |
|
|
1195 FC1B 29 32 BVS NOTHEX EXIT IF NOT VALID HEX
|
1665 |
|
|
1196 FC1D 48 ASLA ;
|
1666 |
|
|
1197 FC1E 48 ASLA ;
|
1667 |
|
|
1198 FC1F 48 ASLA ; SHIFT INTO LEFT NIBBLE
|
1668 |
|
|
1199 FC20 48 ASLA ;
|
1669 |
|
|
1200 FC21 1F 89 TFR A,B PUT HEXL IN "B"
|
1670 |
|
|
1201 FC23 8D 07 BSR INHEX GET HEX RIGHT
|
1671 |
|
|
1202 FC25 29 28 BVS NOTHEX EXIT IF NOT VALID HEX
|
1672 |
|
|
1203 FC27 34 04 PSHS B PUSH HEXL ON STACK
|
1673 |
|
|
1204 FC29 AB E0 ADDA ,S+ ADD HEXL TO HEXR AND ADJ. STK
|
1674 |
|
|
1205 FC2B 39 RTS RETURN WITH HEX L&R IN "A"
|
1675 |
|
|
1206 *
|
1676 |
|
|
1207 *
|
1677 |
|
|
1208 FC2C 8D 57 INHEX BSR ECHON INPUT ASCII CHAR.
|
1678 |
|
|
1209 FC2E 81 30 CMPA #'0 IS IT > OR = "0" ?
|
1679 |
|
|
1210 FC30 25 1D BCS NOTHEX IF LESS IT AIN'T HEX
|
1680 |
|
|
1211 FC32 81 39 CMPA #'9 IS IT < OR = "9" ?
|
1681 |
|
|
1212 FC34 22 03 BHI INHEXA IF > MAYBE IT'S ALPHA
|
1682 |
|
|
1213 FC36 80 30 SUBA #$30 ASCII ADJ. NUMERIC
|
1683 |
|
|
1214 FC38 39 RTS ;
|
1684 |
|
|
1215 *
|
1685 |
|
|
1216 *
|
1686 |
|
|
1217 FC39 81 41 INHEXA CMPA #'A IS IT > OR = "A"
|
1687 |
|
|
1218 FC3B 25 12 BCS NOTHEX IF LESS IT AIN'T HEX
|
1688 |
|
|
1219 FC3D 81 46 CMPA #'F IS IT < OR = "F" ?
|
1689 |
|
|
1220 FC3F 22 03 BHI INHEXL IF > IT AIN'T HEX
|
1690 |
|
|
1221 FC41 80 37 SUBA #$37 ASCII ADJ. ALPHA
|
1691 |
|
|
1222 FC43 39 RTS ;
|
1692 |
|
|
1223 *
|
1693 |
|
|
1224 FC44 81 61 INHEXL CMPA #'a IS IT > OR = "a"
|
1694 |
|
|
1225 FC46 25 07 BCS NOTHEX IF LESS IT AIN'T HEX
|
1695 |
|
|
1226 FC48 81 66 CMPA #'f IS IT < "f"
|
1696 |
|
|
1227 FC4A 22 03 BHI NOTHEX IF > IT AIN'T HEX
|
1697 |
|
|
1228 FC4C 80 57 SUBA #$57 ADJUST TO LOWER CASE
|
1698 |
|
|
1229 FC4E 39 RTS ;
|
1699 |
|
|
1230 *
|
1700 |
|
|
1231 *
|
1701 |
|
|
1232 FC4F 1A 02 NOTHEX ORCC #2 SET (V) FLAG IN C-CODES REGISTER
|
1702 |
|
|
1233 FC51 39 RTS ;
|
1703 |
|
|
1234 *
|
1704 |
|
|
1235 *
|
1705 |
|
|
1236 FC52 34 10 OUT4H PSHS X PUSH X-REG. ON THE STACK
|
1706 |
|
|
1237 FC54 35 02 PULS A POP MS BYTE OF X-REG INTO A-ACC.
|
1707 |
|
|
1238 FC56 8D 02 BSR OUTHL OUTPUT HEX LEFT
|
1708 |
|
|
1239 FC58 35 02 PULS A POP LS BYTE OF X-REG INTO A-ACC.
|
1709 |
|
|
1240 FC5A OUTHL EQU *
|
1710 |
|
|
1241 FC5A 34 02 OUT2H PSHS A SAVE IT BACK ON STACK
|
1711 |
|
|
1242 FC5C 44 LSRA CONVERT UPPER HEX NIBBLE TO ASCII
|
1712 |
|
|
1243 FC5D 44 LSRA ;
|
1713 |
|
|
1244 FC5E 44 LSRA ;
|
1714 |
|
|
1245 FC5F 44 LSRA ;
|
1715 |
|
|
1246 FC60 8D 04 BSR XASCII PRINT HEX NIBBLE AS ASCII
|
1716 |
|
|
1247 FC62 35 02 OUTHR PULS A CONVERT LOWER HEX NIBBLE TO ASCII
|
1717 |
|
|
1248 FC64 84 0F ANDA #$0F STRIP LEFT NIBBLE
|
1718 |
|
|
1249 FC66 8B 30 XASCII ADDA #$30 ASCII ADJ
|
1719 |
|
|
1250 FC68 81 39 CMPA #$39 IS IT < OR = "9" ?
|
1720 |
|
|
1251 FC6A 2F 02 BLE OUTC IF LESS, OUTPUT IT
|
1721 |
|
|
1252 FC6C 8B 07 ADDA #7 IF > MAKE ASCII LETTER
|
1722 |
|
|
1253 FC6E 20 4D OUTC BRA OUTCH OUTPUT CHAR
|
1723 |
|
|
1254 *
|
1724 |
|
|
1255 * BINARY / ASCII --- THIS ROUTINE
|
1725 |
|
|
1256 * OUTPUTS A BYTE IN ENHANCED
|
1726 |
|
|
1257 * BINARY FORMAT. THE ENHANCEMENT
|
1727 |
|
|
1258 * IS DONE BY SUBSTITUTING ASCII
|
1728 |
|
|
1259 * LETTERS FOR THE ONES IN THE BYTE.
|
1729 |
|
|
1260 * THE ASCII ENHANCEMENT LETTERS
|
1730 |
|
|
1261 * ARE OBTAINED FROM THE STRING
|
1731 |
|
|
1262 * POINTED TO BY THE INDEX REG. "X".
|
1732 |
|
|
1263 *
|
1733 |
|
|
1264 FC70 34 02 BIASCI PSHS A SAVE "A" ON STACK
|
1734 |
|
|
1265 FC72 C6 08 LDB #8 PRESET LOOP# TO BITS PER BYTE
|
1735 |
|
|
1266 FC74 A6 80 OUTBA LDA ,X+ GET LETTER FROM STRING
|
1736 |
|
|
1267 FC76 68 E4 ASL ,S TEST BYTE FOR "1" IN B7
|
1737 |
|
|
1268 FC78 25 02 BCS PRTBA IF ONE PRINT LETTER
|
1738 |
|
|
1269 FC7A 86 2D LDA #'- IF ZERO PRINT "-"
|
1739 |
|
|
1270 FC7C 8D 3F PRTBA BSR OUTCH PRINT IT
|
1740 |
|
|
1271 FC7E 8D 3B BSR OUT1S PRINT SPACE
|
1741 |
|
|
1272 FC80 5A DECB SUB 1 FROM #BITS YET TO PRINT
|
1742 |
|
|
1273 FC81 26 F1 BNE OUTBA
|
1743 |
|
|
1274 FC83 35 82 PULS A,PC
|
1744 |
|
|
1275 *
|
1745 |
|
|
1276 IFD EXTOPT
|
1746 |
|
|
1277 *
|
1747 |
|
|
1278 * EXTENDED USER COMMANDS
|
1748 |
|
|
1279 *
|
1749 |
|
|
1280 USRCMD JMP [MONEXT+EXTCMD]
|
1750 |
|
|
1281 ENDIF EXTOPT
|
1751 |
|
|
1281 ENDIF EXTOPT
|
1752 |
|
|
1282 *
|
1753 |
|
|
1283 *
|
1754 |
|
|
1284 FC85 7D 7F D2 ECHON TST ECHO IS ECHO REQUIRED ?
|
1755 |
|
|
1285 FC88 27 06 BEQ INCH ECHO NOT REQ. IF CLEAR
|
1756 |
|
|
1286 *
|
1757 |
|
|
1287 * INCHE
|
1758 |
|
|
1288 *
|
1759 |
|
|
1289 * ---GETS CHARACTER FROM TERMINAL AND
|
1760 |
|
|
1290 * ECHOS SAME. THE CHARACTER IS RETURNED
|
1761 |
|
|
1291 * IN THE "A" ACCUMULATOR WITH THE PARITY
|
1762 |
|
|
1292 * BIT MASKED OFF. ALL OTHER REGISTERS
|
1763 |
|
|
1293 * ARE PRESERVED.
|
1764 |
|
|
1294 *
|
1765 |
|
|
1295 FC8A 8D 04 INCHE BSR INCH GET CHAR FROM TERMINAL
|
1766 |
|
|
1296 FC8C 84 7F ANDA #$7F STRIP PARITY FROM CHAR.
|
1767 |
|
|
1297 FC8E 20 2D BRA OUTCH ECHO CHAR TO TERMINAL
|
1768 |
|
|
1298 *
|
1769 |
|
|
1299 * INCH
|
1770 |
|
|
1300 *
|
1771 |
|
|
1301 * GET CHARACTER FROM TERMINAL. RETURN
|
1772 |
|
|
1302 * CHARACTER IN "A" ACCUMULATOR AND PRESERVE
|
1773 |
|
|
1303 * ALL OTHER REGISTERS. THE INPUT CHARACTER
|
1774 |
|
|
1304 * IS 8 BITS AND IS NOT ECHOED.
|
1775 |
|
|
1305 *
|
1776 |
|
|
1306 *
|
1777 |
|
|
1307 FC90 34 10 INCH PSHS X SAVE IX
|
1778 |
|
|
1308 FC92 BE 7F D0 GETSTA LDX CPORT POINT TO TERMINAL PORT
|
1779 |
|
|
1309 FC95 A6 84 LDA ,X FETCH PORT STATUS
|
1780 |
|
|
1310 FC97 85 01 BITA #1 TEST READY BIT, RDRF ?
|
1781 |
|
|
1311 IFD PS2OPT
|
1782 |
|
|
1312 FC99 26 09 BNE GETST1
|
1783 |
|
|
1313 FC9B 8E E0 20 LDX #PS2KBD
|
1784 |
|
|
1314 FC9E A6 84 LDA ,X
|
1785 |
|
|
1315 FCA0 85 01 BITA #1
|
1786 |
|
|
1316 ENDIF PS2OPT
|
1787 |
|
|
1317 FCA2 27 EE BEQ GETSTA IF NOT RDY, THEN TRY AGAIN
|
1788 |
|
|
1318 FCA4 A6 01 GETST1 LDA 1,X FETCH CHAR
|
1789 |
|
|
1319 FCA6 35 90 PULS X,PC RESTORE IX
|
1790 |
|
|
1320 *
|
1791 |
|
|
1321 * INCHEK
|
1792 |
|
|
1322 *
|
1793 |
|
|
1323 * CHECK FOR A CHARACTER AVAILABLE FROM
|
1794 |
|
|
1324 * THE TERMINAL. THE SERIAL PORT IS CHECKED
|
1795 |
|
|
1325 * FOR READ READY. ALL REGISTERS ARE
|
1796 |
|
|
1326 * PRESERVED, AND THE "Z" BIT WILL BE
|
1797 |
|
|
1327 * CLEAR IF A CHARACTER CAN BE READ.
|
1798 |
|
|
1328 *
|
1799 |
|
|
1329 *
|
1800 |
|
|
1330 FCA8 34 02 INCHEK PSHS A SAVE A ACCUM.
|
1801 |
|
|
1331 FCAA A6 9F 7F D0 LDA [CPORT] FETCH PORT STATUS
|
1802 |
|
|
1332 FCAE 85 01 BITA #1 TEST READY BIT, RDRF ?
|
1803 |
|
|
1333 IFD PS2OPT
|
1804 |
|
|
1334 FCB0 26 05 BNE INCHEK1
|
1805 |
|
|
1335 FCB2 B6 E0 20 LDA PS2KBD
|
1806 |
|
|
1336 FCB5 85 01 BITA #1 TEST READY BIT< RDRF ?
|
1807 |
|
|
1337 ENDIF PS2OPT
|
1808 |
|
|
1338 FCB7 35 82 INCHEK1 PULS A,PC RESTORE A ACCUM.
|
1809 |
|
|
1339 *
|
1810 |
|
|
1340 FCB9 8D 00 OUT2S BSR OUT1S OUTPUT 2 SPACES
|
1811 |
|
|
1341 FCBB 86 20 OUT1S LDA #$20 OUTPUT 1 SPACE
|
1812 |
|
|
1342 *
|
1813 |
|
|
1343 *
|
1814 |
|
|
1344 * OUTCH
|
1815 |
|
|
1345 *
|
1816 |
|
|
1346 * OUTPUT CHARACTER TO TERMINAL.
|
1817 |
|
|
1347 * THE CHAR. TO BE OUTPUT IS
|
1818 |
|
|
1348 * PASSED IN THE A REGISTER.
|
1819 |
|
|
1349 * ALL REGISTERS ARE PRESERVED.
|
1820 |
|
|
1350 *
|
1821 |
|
|
1351 OUTCH IFD VDUOPT
|
1822 |
|
|
1352 FCBD 8D 45 BSR VOUTCH
|
1823 |
|
|
1353 ENDIF VDUOPT
|
1824 |
|
|
1354 IFD DG640OPT
|
1825 |
|
|
1355 BSR VOUTCH
|
1826 |
|
|
1356 ENDIF DG640OPT
|
1827 |
|
|
1356 ENDIF DG640OPT
|
1828 |
|
|
1357 FCBF 34 12 AOUTCH PSHS A,X SAVE A ACCUM AND IX
|
1829 |
|
|
1358 FCC1 BE 7F D0 LDX CPORT GET ADDR. OF TERMINAL
|
1830 |
|
|
1359 FCC4 A6 84 FETSTA LDA ,X FETCH PORT STATUS
|
1831 |
|
|
1360 FCC6 85 02 BITA #2 TEST TDRE, OK TO XMIT ?
|
1832 |
|
|
1361 FCC8 27 FA BEQ FETSTA IF NOT LOOP UNTIL RDY
|
1833 |
|
|
1362 FCCA 35 02 PULS A GET CHAR. FOR XMIT
|
1834 |
|
|
1363 FCCC A7 01 STA 1,X XMIT CHAR.
|
1835 |
|
|
1364 FCCE 35 90 PULS X,PC RESTORE IX
|
1836 |
|
|
1365 *
|
1837 |
|
|
1366 * IO INITIALIZATION
|
1838 |
|
|
1367 *
|
1839 |
|
|
1368 FCD0 IOINIZ EQU *
|
1840 |
|
|
1369 IFD VDUOPT
|
1841 |
|
|
1370 FCD0 8D 13 BSR VINIZ
|
1842 |
|
|
1371 ENDIF VDUOPT
|
1843 |
|
|
1372 IFD DG640OPT
|
1844 |
|
|
1373 BSR VINIZ
|
1845 |
|
|
1374 ENDIF DG640OPT
|
1846 |
|
|
1374 ENDIF DG640OPT
|
1847 |
|
|
1375 FCD2 BE 7F D0 ACINIZ LDX CPORT POINT TO CONTROL PORT ADDRESS
|
1848 |
|
|
1376 FCD5 86 03 LDA #3 RESET ACIA PORT CODE
|
1849 |
|
|
1377 FCD7 A7 84 STA ,X STORE IN CONTROL REGISTER
|
1850 |
|
|
1378 FCD9 86 11 LDA #$11 SET 8 DATA, 2 STOP AN 0 PARITY
|
1851 |
|
|
1379 FCDB A7 84 STA ,X STORE IN CONTROL REGISTER
|
1852 |
|
|
1380 FCDD 6D 01 TST 1,X ANYTHING IN DATA REGISTER?
|
1853 |
|
|
1381 FCDF 86 FF LDA #$FF TURN ON ECHO FLAG
|
1854 |
|
|
1382 FCE1 B7 7F D2 STA ECHO
|
1855 |
|
|
1383 FCE4 39 RTS
|
1856 |
|
|
1384 *
|
1857 |
|
|
1385 IFD VDUOPT
|
1858 |
|
|
1386 *
|
1859 |
|
|
1387 ***************************************************
|
1860 |
|
|
1388 * VDU8 ADM3A REGISTER-MAPPED EMULATOR *
|
1861 |
|
|
1389 * *
|
1862 |
|
|
1390 * 80 x 25 Characters
|
1863 |
|
|
1391 *
|
1864 |
|
|
1392 ***************************************************
|
1865 |
|
|
1393 *
|
1866 |
|
|
1394 ***************************************************
|
1867 |
|
|
1395 * INITIALIZE EMULATOR *
|
1868 |
|
|
1396 ***************************************************
|
1869 |
|
|
1397 *
|
1870 |
|
|
1398 FCE5 8E E0 30 VINIZ LDX #VDU
|
1871 |
|
|
1399 FCE8 CC 00 00 LDD #0
|
1872 |
|
|
1400 FCEB FD 7F EF STD COLADX AND ROWADX
|
1873 |
|
|
1401 FCEE A7 02 STA VDUCOL,X
|
1874 |
|
|
1402 FCF0 E7 03 STB VDUROW,X
|
1875 |
|
|
1403 FCF2 E7 04 STB VDUOFF,X
|
1876 |
|
|
1404 FCF4 FD 7F F1 STD NEWROW AND ESCFLG
|
1877 |
|
|
1405 FCF7 C6 02 LDB #$02
|
1878 |
|
|
1406 FCF9 E7 01 STB VDUATT,X
|
1879 |
|
|
1407 FCFB 7F 7F F2 CLR ESCFLG
|
1880 |
|
|
1408 FCFE 86 1B LDA #$1B SEND ESCAPE
|
1881 |
|
|
1409 FD00 8D 02 BSR VOUTCH
|
1882 |
|
|
1410 FD02 86 59 LDA #'Y CLEAR TO END OF SCREEN
|
1883 |
|
|
1411 *
|
1884 |
|
|
1412 ** VIDEO OUTPUT ROUTINE
|
1885 |
|
|
1413 *
|
1886 |
|
|
1414 FD04 34 16 VOUTCH PSHS A,B,X SAVE REGISTERS
|
1887 |
|
|
1415 FD06 8E E0 30 LDX #VDU POINT TO VDU REGISTERS
|
1888 |
|
|
1416 *
|
1889 |
|
|
1417 ** CHECK FOR ESCAPE SEQUENCE
|
1890 |
|
|
1418 *
|
1891 |
|
|
1419 FD09 7D 7F F2 TST ESCFLG ESCAPE ACTIVE?
|
1892 |
|
|
1420 FD0C 27 04 BEQ SOROU1 BRANCH IF NOT
|
1893 |
|
|
1421 FD0E 8D 74 BSR ESCAPE ELSE DO ESCAPE
|
1894 |
|
|
1422 FD10 20 0D BRA RETURN AND RETURN
|
1895 |
|
|
1423 *
|
1896 |
|
|
1424 ** CHECK FOR CONTROL CHARACTERS
|
1897 |
|
|
1425 *
|
1898 |
|
|
1426 FD12 81 20 SOROU1 CMPA #$20 CONTROL CODES?
|
1899 |
|
|
1427 FD14 24 04 BHS SOROU2
|
1900 |
|
|
1428 FD16 8D 09 BSR CONTRL BRANCH IF SO
|
1901 |
|
|
1429 FD18 20 05 BRA RETURN
|
1902 |
|
|
1430 *
|
1903 |
|
|
1431 ** OUTPUT TEXT CHARACTER
|
1904 |
|
|
1432 *
|
1905 |
|
|
1433 FD1A A7 84 SOROU2 STAA VDUCHR,X DISPLAY CHARACTER
|
1906 |
|
|
1434 FD1C 17 00 C5 LBSR NEWCOL UPDATE COLUMN
|
1907 |
|
|
1435 *
|
1908 |
|
|
1436 ** DISPLAY CURSOR AND RETURN
|
1909 |
|
|
1437 *
|
1910 |
|
|
1438 FD1F 35 96 RETURN PULS A,B,X,PC RESTORE REGISTERS AND RETURN
|
1911 |
|
|
1439 *
|
1912 |
|
|
1440 ***************************************************
|
1913 |
|
|
1441 * CONTROL CODE HANDLERS *
|
1914 |
|
|
1442 ***************************************************
|
1915 |
|
|
1443 *
|
1916 |
|
|
1444 FD21 81 08 CONTRL CMPA #$08 CTRL H - BACKSPACE ?
|
1917 |
|
|
1445 FD23 10 27 00 41 LBEQ BACKSP
|
1918 |
|
|
1446 FD27 81 1B CMPA #$1B ESCAPE SEQUENCE?
|
1919 |
|
|
1447 FD29 10 27 00 6C LBEQ SETESC
|
1920 |
|
|
1448 FD2D 81 1A CMPA #$1A CTRL Z - Clear Screen
|
1921 |
|
|
1449 FD2F 10 27 00 8E LBEQ CLRSCR
|
1922 |
|
|
1450 FD33 81 16 CMPA #$16 CTRL ^ - Home
|
1923 |
|
|
1451 FD35 10 27 00 45 LBEQ HOME
|
1924 |
|
|
1452 FD39 81 0D CMPA #$D CTRL M - RETURN?
|
1925 |
|
|
1453 FD3B 10 27 00 99 LBEQ CRETN
|
1926 |
|
|
1454 FD3F 81 0C CMPA #$0C CTRL L - CHAR RIGHT
|
1927 |
|
|
1455 FD41 10 27 00 2C LBEQ CHRIGHT
|
1928 |
|
|
1456 FD45 81 0B CMPA #$0B CTRL K - MOVE UP ONE LINE
|
1929 |
|
|
1457 FD47 10 27 00 11 LBEQ LINEUP
|
1930 |
|
|
1458 FD4B 81 0A CMPA #$0A CTRL J - LINE FEED
|
1931 |
|
|
1459 FD4D 26 51 BNE RETESC NONE OF THESE, RETURN
|
1932 |
|
|
1460 *
|
1933 |
|
|
1461 ***************************************** LINE FEED
|
1934 |
|
|
1462 *
|
1935 |
|
|
1463 FD4F FC 7F EF LINEFD LDD COLADX GET CURRENT COLUMN AND ROW
|
1936 |
|
|
1464 FD52 5C INCB BUMP ROW
|
1937 |
|
|
1465 FD53 C1 19 CMPB #NUMLIN SCROLL TIME?
|
1938 |
|
|
1466 FD55 10 26 00 83 LBNE NEWCUR POSITION CURSOR IF NOT
|
1939 |
|
|
1467 FD59 16 00 99 LBRA SCROLL ELSE SCROLL IT
|
1940 |
|
|
1468 *
|
1941 |
|
|
1469 ***************************************** LINE FEED
|
1942 |
|
|
1470 *
|
1943 |
|
|
1471 FD5C FC 7F EF LINEUP LDD COLADX GET CURRENT COLUMN AND ROW
|
1944 |
|
|
1472 FD5F 5D TSTB AT TOP OF SCREEN ?
|
1945 |
|
|
1473 FD60 10 27 00 3C LBEQ RETESC Yes, Ignore
|
1946 |
|
|
1474 FD64 5A DECB No, Decrement ROW
|
1947 |
|
|
1475 FD65 16 00 74 LBRA NEWCUR POSITION CURSOR
|
1948 |
|
|
1476 *
|
1949 |
|
|
1477 *********************************** BACK SPACE
|
1950 |
|
|
1478 *
|
1951 |
|
|
1479 FD68 B6 7F EF BACKSP LDA COLADX
|
1952 |
|
|
1480 FD6B 27 33 BEQ RETESC RETURN
|
1953 |
|
|
1481 FD6D 4A DECA
|
1954 |
|
|
1482 FD6E 16 00 68 LBRA POSCOL POSITION CURSOR
|
1955 |
|
|
1483 *
|
1956 |
|
|
1484 *********************************** CURSOR RIGHT
|
1957 |
|
|
1485 *
|
1958 |
|
|
1486 FD71 B6 7F EF CHRIGHT LDA COLADX
|
1959 |
|
|
1487 FD74 4C INCA
|
1960 |
|
|
1488 FD75 81 50 CMPA #LINLEN
|
1961 |
|
|
1489 FD77 10 27 00 25 LBEQ RETESC
|
1962 |
|
|
1490 FD7B 16 00 5B LBRA POSCOL
|
1963 |
|
|
1491 *
|
1964 |
|
|
1492 *********************************** CURSOR RIGHT
|
1965 |
|
|
1493 *
|
1966 |
|
|
1494 FD7E CC 00 00 HOME LDD #0 HOME - POSITION TOP OF SCREEN
|
1967 |
|
|
1495 FD81 16 00 58 LBRA NEWCUR
|
1968 |
|
|
1496 *
|
1969 |
|
|
1497 ***************************************************
|
1970 |
|
|
1498 * ESCAPE HANDLERS *
|
1971 |
|
|
1499 ***************************************************
|
1972 |
|
|
1500 *
|
1973 |
|
|
1501 FD84 F6 7F F2 ESCAPE LDAB ESCFLG GET FLAG
|
1974 |
|
|
1502 FD87 C1 3D CMPB #'= SETTING CURSOR?
|
1975 |
|
|
1503 FD89 27 16 BEQ ESCCUR BRANCH IF SO
|
1976 |
|
|
1504 FD8B 81 59 CMPA #'Y CLEAR TO END OF SCREEN?
|
1977 |
|
|
1505 FD8D 10 27 00 6E LBEQ ESCCLS
|
1978 |
|
|
1506 FD91 81 54 CMPA #'T CLEAR TO END OF LINE?
|
1979 |
|
|
1507 FD93 27 31 BEQ ESCCLL
|
1980 |
|
|
1508 FD95 81 3D CMPA #'= STARTING CURSOR SET?
|
1981 |
|
|
1509 FD97 26 04 BNE CLRESC BRANCH IF NOT
|
1982 |
|
|
1510 *
|
1983 |
|
|
1511 ***************************** START ESCAPE SEQUENCE
|
1984 |
|
|
1512 *
|
1985 |
|
|
1513 FD99 B7 7F F2 SETESC STAA ESCFLG ELSE START CURSORING
|
1986 |
|
|
1514 FD9C 39 RTS AND RETURN
|
1987 |
|
|
1515 *
|
1988 |
|
|
1516 FD9D 7F 7F F2 CLRESC CLR ESCFLG NO OTHERS SUPPORTED
|
1989 |
|
|
1517 FDA0 39 RETESC RTS SO RETURN
|
1990 |
|
|
1518 *
|
1991 |
|
|
1519 ********************************* SET SCREEN CURSOR
|
1992 |
|
|
1520 *
|
1993 |
|
|
1521 FDA1 7D 7F F1 ESCCUR TST NEWROW ROW SET?
|
1994 |
|
|
1522 FDA4 26 04 BNE ESCCU1 BRANCH IF SO
|
1995 |
|
|
1523 FDA6 B7 7F F1 STAA NEWROW ELSE SET NEW ROW
|
1996 |
|
|
1524 FDA9 39 RTS AND RETURN
|
1997 |
|
|
1525 *
|
1998 |
|
|
1526 FDAA 7F 7F F2 ESCCU1 CLR ESCFLG
|
1999 |
|
|
1527 FDAD 80 20 SUBA #$20 ADJUST COLUMN ADDRESS
|
2000 |
|
|
1528 FDAF 81 4F CMPA #LINLEN-1 CHECK FOR ACCEPTABLE COLUM
|
2001 |
|
|
1529 FDB1 22 ED BHI RETESC NOT OK, DO NOTHING
|
2002 |
|
|
1530 *
|
2003 |
|
|
1531 FDB3 F6 7F F1 ESCCU2 LDAB NEWROW
|
2004 |
|
|
1532 FDB6 7F 7F F1 CLR NEWROW
|
2005 |
|
|
1533 FDB9 C0 20 SUBB #$20 ADJUST TO ROW ADDRESS
|
2006 |
|
|
1534 FDBB C1 18 CMPB #NUMLIN-1 CHECK FOR ACCEPTABLE ROW
|
2007 |
|
|
1535 FDBD 22 E1 BHI RETESC ELSE RETURN DOING NOTHING
|
2008 |
|
|
1536 FDBF 20 1B BRA NEWCUR GO SET NEW CURSOR IF SO
|
2009 |
|
|
1537 *
|
2010 |
|
|
1538 ****************** CLEAR FROM CURSOR TO END OF LINE
|
2011 |
|
|
1539 FDC1 CC 00 00 CLRSCR LDD #0 CLEAR FROM TOP OF SCREEN
|
2012 |
|
|
1540 FDC4 8D 16 BSR NEWCUR
|
2013 |
|
|
1541 FDC6 B6 7F EF ESCCLL LDA COLADX
|
2014 |
|
|
1542 FDC9 C6 20 LDB #$20 AND CLEAR CHAR
|
2015 |
|
|
1543 FDCB E7 84 ESCCL1 STB VDUCHR,X DISPLAY TEXT
|
2016 |
|
|
1544 FDCD 4C INCA
|
2017 |
|
|
1545 FDCE A7 02 STA VDUCOL,X
|
2018 |
|
|
1546 FDD0 81 50 CMPA #LINLEN UNTIL END OF LINE
|
2019 |
|
|
1547 FDD2 26 F7 BNE ESCCL1
|
2020 |
|
|
1548 FDD4 7F 7F F2 CLR ESCFLG
|
2021 |
|
|
1549 FDD7 39 RTS
|
2022 |
|
|
1550 *
|
2023 |
|
|
1551 *********************************** CARRIAGE RETURN
|
2024 |
|
|
1552 *
|
2025 |
|
|
1553 FDD8 4F CRETN CLRA SET COLUMN ZERO
|
2026 |
|
|
1554 FDD9 F6 7F F0 POSCOL LDB ROWADX GET CURRENT ROW
|
2027 |
|
|
1555 *
|
2028 |
|
|
1556 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
2029 |
|
|
1557 *
|
2030 |
|
|
1558 FDDC FD 7F EF NEWCUR STD COLADX SAVE NEW ROW AND COLUMN
|
2031 |
|
|
1559 FDDF A7 02 STA VDUCOL,X SET NEW COLUMN
|
2032 |
|
|
1560 FDE1 E7 03 STB VDUROW,X SET NEW ROW
|
2033 |
|
|
1561 FDE3 39 RTS AND RETURN
|
2034 |
|
|
1562 *
|
2035 |
|
|
1563 ********************* UPDATE CURRENT COLUMN AND ROW
|
2036 |
|
|
1564 *
|
2037 |
|
|
1565 FDE4 FC 7F EF NEWCOL LDD COLADX GET ROW AND COLUMN
|
2038 |
|
|
1566 FDE7 4C INCA BUMP COLUMN
|
2039 |
|
|
1567 FDE8 81 50 CMPA #LINLEN ROLL?
|
2040 |
|
|
1568 FDEA 26 F0 BNE NEWCUR BRANCH IF NOT
|
2041 |
|
|
1569 FDEC 4F CLRA ELSE RESET TO ZERO
|
2042 |
|
|
1570 FDED 5C INCB AND BUMP ROW
|
2043 |
|
|
1571 FDEE C1 19 CMPB #NUMLIN
|
2044 |
|
|
1572 FDF0 26 EA BNE NEWCUR
|
2045 |
|
|
1573 FDF2 5A DECB BOTTOM ROW
|
2046 |
|
|
1574 FDF3 8D E7 BSR NEWCUR
|
2047 |
|
|
1575 *
|
2048 |
|
|
1576 ********************************* SCROLL THE SCREEN
|
2049 |
|
|
1577 *
|
2050 |
|
|
1578 FDF5 E6 04 SCROLL LDB VDUOFF,X
|
2051 |
|
|
1579 FDF7 5C INCB
|
2052 |
|
|
1580 FDF8 C1 19 CMPB #NUMLIN
|
2053 |
|
|
1581 FDFA 25 01 BLO SCROL1
|
2054 |
|
|
1582 FDFC 5F CLRB
|
2055 |
|
|
1583 FDFD E7 04 SCROL1 STB VDUOFF,X
|
2056 |
|
|
1584 *
|
2057 |
|
|
1585 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
2058 |
|
|
1586 *
|
2059 |
|
|
1587 FDFF F6 7F EF ESCCLS LDB COLADX GET CURSOR
|
2060 |
|
|
1588 FE02 86 20 LDA #$20 GET A SPACE
|
2061 |
|
|
1589 FE04 F7 7F EF ESCCLS1 STB COLADX
|
2062 |
|
|
1590 FE07 E7 02 STB VDUCOL,X
|
2063 |
|
|
1591 FE09 A7 84 STA VDUCHR,X
|
2064 |
|
|
1592 FE0B 5C INCB
|
2065 |
|
|
1593 FE0C C1 50 CMPB #LINLEN
|
2066 |
|
|
1594 FE0E 26 F4 BNE ESCCLS1
|
2067 |
|
|
1595 *
|
2068 |
|
|
1596 FE10 F6 7F F0 LDB ROWADX
|
2069 |
|
|
1597 FE13 5C INCB
|
2070 |
|
|
1598 FE14 C1 19 CMPB #NUMLIN
|
2071 |
|
|
1599 FE16 27 08 BEQ ESCCLS2
|
2072 |
|
|
1600 FE18 F7 7F F0 STB ROWADX
|
2073 |
|
|
1601 FE1B E7 03 STB VDUROW,X
|
2074 |
|
|
1602 FE1D 5F CLRB
|
2075 |
|
|
1603 FE1E 20 E4 BRA ESCCLS1
|
2076 |
|
|
1604 *
|
2077 |
|
|
1605 FE20 5F ESCCLS2 CLRB
|
2078 |
|
|
1606 FE21 F7 7F EF STB COLADX
|
2079 |
|
|
1607 FE24 E7 02 STB VDUCOL,X
|
2080 |
|
|
1608 FE26 F7 7F F2 STB ESCFLG
|
2081 |
|
|
1609 FE29 39 RTS
|
2082 |
|
|
1610 ENDIF VDUOPT
|
2083 |
|
|
1611 *
|
2084 |
|
|
1612 IFD DG640OPT
|
2085 |
|
|
1613 ***************************************************
|
2086 |
|
|
1614 * TELEVIDEO-TYPE MEMORY-MAPPED EMULATOR *
|
2087 |
|
|
1615 * *
|
2088 |
|
|
1616 * FOR HARD-WIRED MEMORY-MAPPED DISPLAYS USING THE *
|
2089 |
|
|
1617 * HIGH ORDER BIT OF EACH BYTE FOR REVERSE VIDEO *
|
2090 |
|
|
1618 * CURSORING (SUCH AS THE THOMAS INSTRUMENTATION *
|
2091 |
|
|
1619 * 16x64 BOARD). *
|
2092 |
|
|
1620 ***************************************************
|
2093 |
|
|
1621
|
2094 |
|
|
1622 ***************************************************
|
2095 |
|
|
1623 * INITIALIZE EMULATOR *
|
2096 |
|
|
1624 ***************************************************
|
2097 |
|
|
1625
|
2098 |
|
|
1626 VINIZ LDX #0
|
2099 |
|
|
1627 STX COLADX AND ROWADX
|
2100 |
|
|
1628 STX NEWROW AND ESCFLG
|
2101 |
|
|
1629 LDX #SCREEN POINT TO SCREEN
|
2102 |
|
|
1630 STX CURSOR SET PROGRAM CURSOR
|
2103 |
|
|
1631 LDA #$1B SEND ESCAPE
|
2104 |
|
|
1632 BSR VOUTCH
|
2105 |
|
|
1633 LDA #'Y CLEAR TO END OF SCREEN
|
2106 |
|
|
1634 *
|
2107 |
|
|
1635 ** VIDEO OUTPUT ROUTINE
|
2108 |
|
|
1636 *
|
2109 |
|
|
1637 VOUTCH PSHS A,B,X SAVE REGISTERS
|
2110 |
|
|
1638 *
|
2111 |
|
|
1639 ** CLEAR CURSOR
|
2112 |
|
|
1640 LDX CURSOR
|
2113 |
|
|
1641 LDB 0,X
|
2114 |
|
|
1642 ANDB #$7F
|
2115 |
|
|
1643 STB 0,X
|
2116 |
|
|
1644 *
|
2117 |
|
|
1645 ** CHECK FOR ESCAPE SEQUENCE
|
2118 |
|
|
1646 TST ESCFLG ESCAPE ACTIVE?
|
2119 |
|
|
1647 BEQ SOROU1 BRANCH IF NOT
|
2120 |
|
|
1648 BSR ESCAPE ELSE DO ESCAPE
|
2121 |
|
|
1649 BRA RETURN AND RETURN
|
2122 |
|
|
1650 *
|
2123 |
|
|
1651 ** CHECK FOR CONTROL CHARACTERS
|
2124 |
|
|
1652 SOROU1 CMPA #$20 CONTROL CODES?
|
2125 |
|
|
1653 BHS SOROU2
|
2126 |
|
|
1654 BSR CONTRL BRANCH IF SO
|
2127 |
|
|
1655 BRA RETURN
|
2128 |
|
|
1656 *
|
2129 |
|
|
1657 ** OUTPUT TEXT CHARACTER
|
2130 |
|
|
1658 SOROU2 LDX CURSOR ELSE GET CURSOR
|
2131 |
|
|
1659 STAA 0,X DISPLAY CHARACTER
|
2132 |
|
|
1660 LBSR NEWCOL UPDATE COLUMN
|
2133 |
|
|
1661 *
|
2134 |
|
|
1662 ** DISPLAY CURSOR AND RETURN
|
2135 |
|
|
1663 RETURN LDX CURSOR AND DISPLAY IT
|
2136 |
|
|
1664 LDB ,X
|
2137 |
|
|
1665 ORAB #$80 WITH REVID
|
2138 |
|
|
1666 STB ,X
|
2139 |
|
|
1667 PULS A,B,X,PC RESTORE REGISTERS AND RETURN
|
2140 |
|
|
1668
|
2141 |
|
|
1669 ***************************************************
|
2142 |
|
|
1670 * CONTROL CODE HANDLERS *
|
2143 |
|
|
1671 ***************************************************
|
2144 |
|
|
1672
|
2145 |
|
|
1673 CONTRL CMPA #$08 CTRL H - BACKSPACE ?
|
2146 |
|
|
1674 LBEQ BACKSP
|
2147 |
|
|
1675 CMPA #$1B ESCAPE SEQUENCE?
|
2148 |
|
|
1676 LBEQ SETESC
|
2149 |
|
|
1677 CMPA #$D CTRL M - RETURN?
|
2150 |
|
|
1678 LBEQ CRETN
|
2151 |
|
|
1679 CMPA #$0A CTRL J - LINE FEED
|
2152 |
|
|
1680 BNE RETESC NONE OF THESE, RETURN
|
2153 |
|
|
1681
|
2154 |
|
|
1682 ***************************************** LINE FEED
|
2155 |
|
|
1683
|
2156 |
|
|
1684 LINEFD LDD COLADX GET CURRENT COLUMN AND ROW
|
2157 |
|
|
1685 INCB BUMP ROW
|
2158 |
|
|
1686 CMPB #NUMLIN SCROLL TIME?
|
2159 |
|
|
1687 LBNE NEWCUR POSITION CURSOR IF NOT
|
2160 |
|
|
1688 LBRA SCROLL ELSE SCROLL IT
|
2161 |
|
|
1689
|
2162 |
|
|
1690 ***************************************** LINE FEED
|
2163 |
|
|
1691
|
2164 |
|
|
1692 LINEUP LDD COLADX GET CURRENT COLUMN AND ROW
|
2165 |
|
|
1693 TSTB AT TOP OF SCREEN ?
|
2166 |
|
|
1694 BEQ RETESC Yes, Ignore
|
2167 |
|
|
1695 DECB No, Decrement ROW
|
2168 |
|
|
1696 LBRA NEWCUR POSITION CURSOR
|
2169 |
|
|
1697
|
2170 |
|
|
1698
|
2171 |
|
|
1699 *********************************** BACK SPACE
|
2172 |
|
|
1700
|
2173 |
|
|
1701 BACKSP LDA COLADX
|
2174 |
|
|
1702 BEQ RETESC RETURN
|
2175 |
|
|
1703 DECA
|
2176 |
|
|
1704 LBRA POSCOL POSITION CURSOR
|
2177 |
|
|
1705
|
2178 |
|
|
1706 *********************************** CURSOR RIGHT
|
2179 |
|
|
1707
|
2180 |
|
|
1708 CHRIGHT LDA COLADX
|
2181 |
|
|
1709 INCA
|
2182 |
|
|
1710 CMPA #LINLEN
|
2183 |
|
|
1711 BEQ RETESC
|
2184 |
|
|
1712 LBRA POSCOL
|
2185 |
|
|
1713
|
2186 |
|
|
1714 ***************************************************
|
2187 |
|
|
1715 * ESCAPE HANDLERS *
|
2188 |
|
|
1716 ***************************************************
|
2189 |
|
|
1717
|
2190 |
|
|
1718 ESCAPE LDAB ESCFLG GET FLAG
|
2191 |
|
|
1719 CMPB #'= SETTING CURSOR?
|
2192 |
|
|
1720 BEQ ESCCUR BRANCH IF SO
|
2193 |
|
|
1721 CMPA #'Y CLEAR TO END OF SCREEN?
|
2194 |
|
|
1722 LBEQ ESCCLS
|
2195 |
|
|
1723 CMPA #'T CLEAR TO END OF LINE?
|
2196 |
|
|
1724 BEQ ESCCLL
|
2197 |
|
|
1725 CMPA #'E INSERT LINE?
|
2198 |
|
|
1726 BEQ ESCINL
|
2199 |
|
|
1727 CMPA #'R DELETE LINE?
|
2200 |
|
|
1728 BEQ ESCDLL
|
2201 |
|
|
1729 CMPA #'= STARTING CURSOR SET?
|
2202 |
|
|
1730 BNE CLRESC BRANCH IF NOT
|
2203 |
|
|
1731
|
2204 |
|
|
1732 ***************************** START ESCAPE SEQUENCE
|
2205 |
|
|
1733
|
2206 |
|
|
1734 SETESC STAA ESCFLG ELSE START CURSORING
|
2207 |
|
|
1735 RTS AND RETURN
|
2208 |
|
|
1736
|
2209 |
|
|
1737 CLRESC CLR ESCFLG NO OTHERS SUPPORTED
|
2210 |
|
|
1738 RETESC RTS SO RETURN
|
2211 |
|
|
1739
|
2212 |
|
|
1740 ********************************* SET SCREEN CURSOR
|
2213 |
|
|
1741
|
2214 |
|
|
1742 ESCCUR TST NEWROW ROW SET?
|
2215 |
|
|
1743 BNE ESCCU1 BRANCH IF SO
|
2216 |
|
|
1744 STAA NEWROW ELSE SET NEW ROW
|
2217 |
|
|
1745 RTS AND RETURN
|
2218 |
|
|
1746
|
2219 |
|
|
1747 ESCCU1 CLR ESCFLG
|
2220 |
|
|
1748 SUBA #$20 ADJUST COLUMN ADDRESS
|
2221 |
|
|
1749 CMPA #LINLEN-1 CHECK FOR ACCEPTABLE COLUM
|
2222 |
|
|
1750 BHI RETESC NOT OK, DO NOTHING
|
2223 |
|
|
1751
|
2224 |
|
|
1752 ESCCU2 LDAB NEWROW
|
2225 |
|
|
1753 CLR NEWROW
|
2226 |
|
|
1754 SUBB #$20 ADJUST TO ROW ADDRESS
|
2227 |
|
|
1755 CMPB #NUMLIN-1 CHECK FOR ACCEPTABLE ROW
|
2228 |
|
|
1756 BHI RETESC ELSE RETURN DOING NOTHING
|
2229 |
|
|
1757 BRA NEWCUR GO SET NEW CURSOR IF SO
|
2230 |
|
|
1758 *
|
2231 |
|
|
1759 *************************** DELETE LINE FROM SCREEN
|
2232 |
|
|
1760
|
2233 |
|
|
1761 ESCDLL BSR CRETN GO COL. ZERO
|
2234 |
|
|
1762 LDB ROWADX
|
2235 |
|
|
1763 CMPB #NUMLIN-1
|
2236 |
|
|
1764 BEQ SCROL3
|
2237 |
|
|
1765 BRA SCROL1 AND DELETE THIS LINE
|
2238 |
|
|
1766
|
2239 |
|
|
1767 *************************** INSERT LINE INTO SCREEN
|
2240 |
|
|
1768
|
2241 |
|
|
1769 ESCINL BSR CRETN GO TO COL. ZERO
|
2242 |
|
|
1770 LDAB ROWADX
|
2243 |
|
|
1771 CMPB #NUMLIN-1
|
2244 |
|
|
1772 BEQ ESCCLL
|
2245 |
|
|
1773 *
|
2246 |
|
|
1774 ** SCROLL SCREEN DOWN FROM CURSOR
|
2247 |
|
|
1775 *
|
2248 |
|
|
1776 LDX #SCREEN+SCNLEN-LINLEN
|
2249 |
|
|
1777 ESCIN0 LDAA 0,-X
|
2250 |
|
|
1778 STAA LINLEN,X
|
2251 |
|
|
1779 LDA SCNLEN,X
|
2252 |
|
|
1780 STA SCNLEN+LINLEN,X
|
2253 |
|
|
1781 CPX CURSOR
|
2254 |
|
|
1782 BNE ESCIN0
|
2255 |
|
|
1783
|
2256 |
|
|
1784 ****************** CLEAR FROM CURSOR TO END OF LINE
|
2257 |
|
|
1785
|
2258 |
|
|
1786 ESCCLL LDA COLADX GET CURRENT COLUMN
|
2259 |
|
|
1787 LDX CURSOR GET CURSOR
|
2260 |
|
|
1788 LDB #$20 AND CLEAR CHAR
|
2261 |
|
|
1789 ESCLL1 STB SCNLEN,X CLEAR ATTRIBUTE
|
2262 |
|
|
1790 STB ,X+ CLEAR TEXT
|
2263 |
|
|
1791 INCA
|
2264 |
|
|
1792 CMPA #LINLEN UNTIL END OF LINE
|
2265 |
|
|
1793 BNE ESCLL1
|
2266 |
|
|
1794 CLR ESCFLG
|
2267 |
|
|
1795 RTS
|
2268 |
|
|
1796
|
2269 |
|
|
1797 *********************************** CARRIAGE RETURN
|
2270 |
|
|
1798
|
2271 |
|
|
1799 CRETN CLRA SET COLUMN ZERO
|
2272 |
|
|
1800 POSCOL LDB ROWADX GET CURRENT ROW
|
2273 |
|
|
1801
|
2274 |
|
|
1802 *********** GENERATE NEW CURSOR POSITION AND RETURN
|
2275 |
|
|
1803
|
2276 |
|
|
1804 NEWCUR STD COLADX SAVE NEW ROW AND COLUMN
|
2277 |
|
|
1805 LDA #LINLEN ELSE ADD A LINE
|
2278 |
|
|
1806 MUL LINLEN * ROWADX
|
2279 |
|
|
1807 ADDB COLADX
|
2280 |
|
|
1808 ADCA #0
|
2281 |
|
|
1809 ADDD #SCREEN ADD SCREEN BASE.
|
2282 |
|
|
1810 STD CURSOR SAVE NEW CURSOR
|
2283 |
|
|
1811 TFR D,X GET CURSOR IN X
|
2284 |
|
|
1812 RTS AND RETURN
|
2285 |
|
|
1813
|
2286 |
|
|
1814 ********************* UPDATE CURRENT COLUMN AND ROW
|
2287 |
|
|
1815
|
2288 |
|
|
1816 NEWCOL LDD COLADX GET ROW AND COLUMN
|
2289 |
|
|
1817 INCA BUMP COLUMN
|
2290 |
|
|
1818 CMPA #LINLEN ROLL?
|
2291 |
|
|
1819 BNE NEWCUR BRANCH IF NOT
|
2292 |
|
|
1820 CLRA ELSE RESET TO ZERO
|
2293 |
|
|
1821 INCB AND BUMP ROW
|
2294 |
|
|
1822 CMPB #NUMLIN
|
2295 |
|
|
1823 BNE NEWCUR
|
2296 |
|
|
1824 DECB BOTTOM ROW
|
2297 |
|
|
1825 BSR NEWCUR
|
2298 |
|
|
1826
|
2299 |
|
|
1827 ********************************* SCROLL THE SCREEN
|
2300 |
|
|
1828
|
2301 |
|
|
1829 SCROLL LDX #SCREEN POINT TO SCREEN
|
2302 |
|
|
1830 SCROL1 LDA SCNLEN+LINLEN,X
|
2303 |
|
|
1831 STA SCNLEN,X
|
2304 |
|
|
1832 LDAA LINLEN,X MOVE TWO BYTES
|
2305 |
|
|
1833 STAA 0,X+ UP ONE LINE
|
2306 |
|
|
1834 CMPX #SCREEN+SCNLEN-LINLEN
|
2307 |
|
|
1835 BNE SCROL1 LOOP UNTIL DONE
|
2308 |
|
|
1836 BRA SCROL3
|
2309 |
|
|
1837
|
2310 |
|
|
1838 **************** CLEAR FROM CURSOR TO END OF SCREEN
|
2311 |
|
|
1839
|
2312 |
|
|
1840 ESCCLS LDX CURSOR GET CURSOR
|
2313 |
|
|
1841 SCROL3 LDAA #$20 GET A SPACE
|
2314 |
|
|
1842 SCROL2 STA SCNLEN,X CLEAR ATTRIBUTES
|
2315 |
|
|
1843 STA ,X+ AND TEXT
|
2316 |
|
|
1844 CMPX #SCREEN+SCNLEN
|
2317 |
|
|
1845 BNE SCROL2 UNTIL DONE
|
2318 |
|
|
1846 CLR ESCFLG
|
2319 |
|
|
1847 RTS
|
2320 |
|
|
1848 ENDIF DG640OPT
|
2321 |
|
|
1848 ENDIF DG640OPT
|
2322 |
|
|
1849 *
|
2323 |
|
|
1850 IFD PRTOPT
|
2324 |
|
|
1851 *************************************
|
2325 |
|
|
1852 *
|
2326 |
|
|
1853 ** PRINTER DRIVER ROUTINES
|
2327 |
|
|
1854 *
|
2328 |
|
|
1855 *************************************
|
2329 |
|
|
1856 *
|
2330 |
|
|
1857 ** PINIZ - INITIATE PRINTER PORT
|
2331 |
|
|
1858 *
|
2332 |
|
|
1859 PINIZ PSHS B
|
2333 |
|
|
1860 LDD #DIRMSK*256+$04 ACCA=DIRMSK ACCB=$04
|
2334 |
|
|
1861 STD PADATA SET DDR AND SELECT DATA
|
2335 |
|
|
1862 *
|
2336 |
|
|
1863 ** RESET PRINTER
|
2337 |
|
|
1864 LDB #PRESET
|
2338 |
|
|
1865 STAB PADATA
|
2339 |
|
|
1866 RESTLP INCB DELAY FOR RESET
|
2340 |
|
|
1867 BNE RESTLP
|
2341 |
|
|
1868 STAA PADATA ACCA=DIRMSK
|
2342 |
|
|
1869 *
|
2343 |
|
|
1870 ** INITALIZE PORT B (DATA PORT)
|
2344 |
|
|
1871 LDAA #$2A
|
2345 |
|
|
1872 STAA PBCTRL
|
2346 |
|
|
1873 LDD #$FF2E ACCA=$FF ACCB =%00101110
|
2347 |
|
|
1874 STD PBDATA PBDREG PBCTRL
|
2348 |
|
|
1875 *
|
2349 |
|
|
1876 ** SELECT 66 LINES/PAGE
|
2350 |
|
|
1877 LDAA #$1B
|
2351 |
|
|
1878 BSR POUTCH
|
2352 |
|
|
1879 LDAA #'C
|
2353 |
|
|
1880 BSR POUTCH
|
2354 |
|
|
1881 LDAA #66
|
2355 |
|
|
1882 PULS B
|
2356 |
|
|
1883 *************************************
|
2357 |
|
|
1884 *
|
2358 |
|
|
1885 ** OUTPUT A CHARACTER TO THE PRINTER
|
2359 |
|
|
1886 *
|
2360 |
|
|
1887 *************************************
|
2361 |
|
|
1888 POUTCH PSHS B
|
2362 |
|
|
1889 LDAB PBDATA CLEAR INTERRUPT BIT
|
2363 |
|
|
1890 *
|
2364 |
|
|
1891 ** WAIT TILL NOT BUSY
|
2365 |
|
|
1892 BUSYLP LDAB PADATA
|
2366 |
|
|
1893 BITB #PERROR
|
2367 |
|
|
1894 BEQ PEXIT
|
2368 |
|
|
1895 TSTB
|
2369 |
|
|
1896 BMI BUSYLP
|
2370 |
|
|
1897 *
|
2371 |
|
|
1898 ** NOW OUTPUT CHARACTER
|
2372 |
|
|
1899 STAA PBDATA
|
2373 |
|
|
1900 PEXIT PULS B,PC
|
2374 |
|
|
1901 *************************************
|
2375 |
|
|
1902 *
|
2376 |
|
|
1903 ** PCHK TEST IFD PRINTER READY
|
2377 |
|
|
1904 *
|
2378 |
|
|
1905 *************************************
|
2379 |
|
|
1906 PCHK TST PBCTRL TEST STATE OF CRB7
|
2380 |
|
|
1907 RTS SET ON ACKNOWLEDGE
|
2381 |
|
|
1908 ENDIF PRTOPT
|
2382 |
|
|
1908 ENDIF PRTOPT
|
2383 |
|
|
1909 *************************************
|
2384 |
|
|
1910 *
|
2385 |
|
|
1911 * MONITOR KEYBOARD COMMAND JUMP TABLE
|
2386 |
|
|
1912 *
|
2387 |
|
|
1913 *************************************
|
2388 |
|
|
1914 *
|
2389 |
|
|
1915 FE2A JMPTAB EQU *
|
2390 |
|
|
1916 FE2A 01 FCB 1 " ^A "
|
2391 |
|
|
1917 FE2B FB 67 FDB ALTRA
|
2392 |
|
|
1918 FE2D 02 FCB 2 " ^B "
|
2393 |
|
|
1919 FE2E FB 5C FDB ALTRB
|
2394 |
|
|
1920 FE30 03 FCB 3 " ^C "
|
2395 |
|
|
1921 FE31 FB 72 FDB ALTRCC
|
2396 |
|
|
1922 FE33 04 FCB 4 " ^D "
|
2397 |
|
|
1923 FE34 FB 51 FDB ALTRDP
|
2398 |
|
|
1924 FE36 10 FCB $10 " ^P "
|
2399 |
|
|
1925 FE37 FB 24 FDB ALTRPC
|
2400 |
|
|
1926 FE39 15 FCB $15 " ^U "
|
2401 |
|
|
1927 FE3A FB 30 FDB ALTRU
|
2402 |
|
|
1928 FE3C 18 FCB $18 " ^X "
|
2403 |
|
|
1929 FE3D FB 46 FDB ALTRX
|
2404 |
|
|
1930 FE3F 19 FCB $19 " ^Y "
|
2405 |
|
|
1931 FE40 FB 3B FDB ALTRY
|
2406 |
|
|
1932 *
|
2407 |
|
|
1933 FE42 42 FCC 'B'
|
2408 |
|
|
1934 FE43 F9 46 FDB BRKPNT
|
2409 |
|
|
1935 FE45 45 FCC 'E'
|
2410 |
|
|
1936 FE46 F8 E7 FDB MEMDUMP
|
2411 |
|
|
1937 FE48 47 FCC 'G'
|
2412 |
|
|
1938 FE49 F8 8F FDB GO
|
2413 |
|
|
1939 FE4B 4C FCC 'L'
|
2414 |
|
|
1940 FE4C FA 51 FDB LOAD
|
2415 |
|
|
1941 FE4E 50 FCC 'P'
|
2416 |
|
|
1942 FE4F FA AF FDB PUNCH
|
2417 |
|
|
1943 FE51 4D FCC 'M'
|
2418 |
|
|
1944 FE52 F8 92 FDB MEMCHG
|
2419 |
|
|
1945 FE54 52 FCC 'R'
|
2420 |
|
|
1946 FE55 FB E0 FDB REGSTR
|
2421 |
|
|
1947 FE57 53 FCC 'S'
|
2422 |
|
|
1948 FE58 F8 DB FDB DISSTK
|
2423 |
|
|
1949 FE5A 58 FCC 'X'
|
2424 |
|
|
1950 FE5B F9 72 FDB XBKPNT
|
2425 |
|
|
1951 IFD MFDCOPT
|
2426 |
|
|
1952 FCC 'D' *** SWTPC USES 'U' FOR MINIBOOT
|
2427 |
|
|
1953 FDB MINBOOT
|
2428 |
|
|
1954 ENDIF MFDCOPT
|
2429 |
|
|
1954 ENDIF MFDCOPT
|
2430 |
|
|
1955 IFD CF8OPT
|
2431 |
|
|
1956 FCC 'D' *** FPGA 8 BIT USES 'D' FOR CFBOOT
|
2432 |
|
|
1957 FDB CFBOOT
|
2433 |
|
|
1958 ENDIF CF8OPT
|
2434 |
|
|
1958 ENDIF CF8OPT
|
2435 |
|
|
1959 IFD IDEOPT
|
2436 |
|
|
1960 FCC 'D' *** XESS FPGA 16 BIT IDE USES 'D' FOR IDEBOOT
|
2437 |
|
|
1961 FDB IDEBOOT
|
2438 |
|
|
1962 ENDIF IDEOPT
|
2439 |
|
|
1962 ENDIF IDEOPT
|
2440 |
|
|
1963 IFD DMAFOPT
|
2441 |
|
|
1964 FCC 'U' *** SWTPC USES 'D' FOR DMAF2 BOOT
|
2442 |
|
|
1965 FDB DBOOT
|
2443 |
|
|
1966 ENDIF DMAFOPT
|
2444 |
|
|
1966 ENDIF DMAFOPT
|
2445 |
|
|
1967 IFD EXTOPT
|
2446 |
|
|
1968 FCC 'U' *** IF FPGA, 'U' IS FOR USER
|
2447 |
|
|
1969 FDB USRCMD
|
2448 |
|
|
1970 ENDIF EXTOPT
|
2449 |
|
|
1970 ENDIF EXTOPT
|
2450 |
|
|
1971 IFD RTCOPT
|
2451 |
|
|
1972 FCC 'T'
|
2452 |
|
|
1973 FDB TIMSET
|
2453 |
|
|
1974 ENDIF RTCOPT
|
2454 |
|
|
1974 ENDIF RTCOPT
|
2455 |
|
|
1975 IFD TRAOPT
|
2456 |
|
|
1976 FE5D 54 FCC "T"
|
2457 |
|
|
1977 FE5E F9 C5 FDB TRACE
|
2458 |
|
|
1978 ENDIF TRAOPT
|
2459 |
|
|
1979 *
|
2460 |
|
|
1980 FE60 TABEND EQU *
|
2461 |
|
|
1981 *
|
2462 |
|
|
1982 * ** 6809 VECTOR ADDRESSES **
|
2463 |
|
|
1983 *
|
2464 |
|
|
1984 * FOLLOWING ARE THE ADDRESSES OF THE VECTOR ROUTINES
|
2465 |
|
|
1985 * FOR THE 6809 PROCESSOR. DURING INITIALIZATION THEY
|
2466 |
|
|
1986 * ARE RELOCATED TO RAM FROM $DFC0 TO $DFCF. THEY ARE
|
2467 |
|
|
1987 * RELOCATED TO RAM SO THAT THE USER MAY REVECTOR TO
|
2468 |
|
|
1988 * HIS OWN ROUTINES IF HE SO DESIRES.
|
2469 |
|
|
1989 *
|
2470 |
|
|
1990 *
|
2471 |
|
|
1991 FE60 F9 7E RAMVEC FDB SWIE USER-V
|
2472 |
|
|
1992 FE62 F8 91 FDB RTI SWI3-V
|
2473 |
|
|
1993 FE64 F8 91 FDB RTI SWI2-V
|
2474 |
|
|
1994 FE66 F8 91 FDB RTI FIRQ-V
|
2475 |
|
|
1995 FE68 F8 91 FDB RTI IRQ-V
|
2476 |
|
|
1996 FE6A F9 7E FDB SWIE SWI-V
|
2477 |
|
|
1997 FE6C FF FF FDB $FFFF SVC-VO
|
2478 |
|
|
1998 FE6E FF FF FDB $FFFF SVC-VL
|
2479 |
|
|
1999 *
|
2480 |
|
|
2000 * PRINTABLE MESSAGE STRINGS
|
2481 |
|
|
2001 *
|
2482 |
|
|
2002 FE70 0D 0A 00 00 00 MSG1 FCB $D,$A,$0,$0,$0 * 0, CR/LF, 0
|
2483 |
|
|
2003 FE75 53 59 53 30 39 42 FCC 'SYS09BUG 1.4 FOR '
|
2484 |
|
|
55 47 20 31 2E 34
|
2485 |
|
|
20 46 4F 52 20
|
2486 |
|
|
2004 IFD S3EOPT
|
2487 |
|
|
2005 FE86 53 33 45 20 FCC 'S3E '
|
2488 |
|
|
2006 ENDIF S3EOPT
|
2489 |
|
|
2007 IFD B5XOPT
|
2490 |
|
|
2008 FCC 'B5-X300 '
|
2491 |
|
|
2009 ENDIF B5XOPT
|
2492 |
|
|
2009 ENDIF B5XOPT
|
2493 |
|
|
2010 IFD S3SOPT
|
2494 |
|
|
2011 FCC 'S3STARTER '
|
2495 |
|
|
2012 ENDIF S3SOPT
|
2496 |
|
|
2012 ENDIF S3SOPT
|
2497 |
|
|
2013 IFD ADSOPT
|
2498 |
|
|
2014 FCC 'ADS6809 '
|
2499 |
|
|
2015 ENDIF ADSOPT
|
2500 |
|
|
2015 ENDIF ADSOPT
|
2501 |
|
|
2016 IFD SWTOPT`
|
2502 |
|
|
2017 FCC 'SWTPC '
|
2503 |
|
|
2018 ENDIF SWTOPT
|
2504 |
|
|
2018 ENDIF SWTOPT
|
2505 |
|
|
2019 IFD XESOPT`
|
2506 |
|
|
2020 FCC 'XESS '
|
2507 |
|
|
2021 ENDIF XESOPT
|
2508 |
|
|
2021 ENDIF XESOPT
|
2509 |
|
|
2022 FE8A 20 2D 20 FCC ' - '
|
2510 |
|
|
2023 FE8D 04 FCB 4
|
2511 |
|
|
2024 FE8E 4B 0D 0A 00 00 00 MSG2 FCB 'K,$D,$A,$00,$00,$00,$04 K, * CR/LF + 3 NULS
|
2512 |
|
|
04
|
2513 |
|
|
2025 FE95 3E MSG3 FCC '>'
|
2514 |
|
|
2026 FE96 04 FCB 4
|
2515 |
|
|
2027 FE97 57 48 41 54 3F MSG4 FCC 'WHAT?'
|
2516 |
|
|
2028 FE9C 04 FCB 4
|
2517 |
|
|
2029 FE9D 20 2D 20 MSG5 FCC ' - '
|
2518 |
|
|
2030 FEA0 04 FCB 4'
|
2519 |
|
|
2031 FEA1 20 20 53 50 3D MSG10 FCC ' SP='
|
2520 |
|
|
2032 FEA6 04 FCB 4
|
2521 |
|
|
2033 FEA7 20 20 50 43 3D MSG11 FCC ' PC='
|
2522 |
|
|
2034 FEAC 04 FCB 4
|
2523 |
|
|
2035 FEAD 20 20 55 53 3D MSG12 FCC ' US='
|
2524 |
|
|
2036 FEB2 04 FCB 4
|
2525 |
|
|
2037 FEB3 20 20 49 59 3D MSG13 FCC ' IY='
|
2526 |
|
|
2038 FEB8 04 FCB 4
|
2527 |
|
|
2039 FEB9 20 20 49 58 3D MSG14 FCC ' IX='
|
2528 |
|
|
2040 FEBE 04 FCB 4
|
2529 |
|
|
2041 FEBF 20 20 44 50 3D MSG15 FCC ' DP='
|
2530 |
|
|
2042 FEC4 04 FCB 4
|
2531 |
|
|
2043 FEC5 20 20 41 3D MSG16 FCC ' A='
|
2532 |
|
|
2044 FEC9 04 FCB 4
|
2533 |
|
|
2045 FECA 20 20 42 3D MSG17 FCC ' B='
|
2534 |
|
|
2046 FECE 04 FCB 4
|
2535 |
|
|
2047 FECF 20 20 43 43 3A 20 MSG18 FCC ' CC: '
|
2536 |
|
|
2048 FED5 04 FCB 4
|
2537 |
|
|
2049 FED6 45 46 48 49 4E 5A MSG19 FCC 'EFHINZVC'
|
2538 |
|
|
56 43
|
2539 |
|
|
2050 FEDE 53 31 MSG20 FCC 'S1'
|
2540 |
|
|
2051 FEE0 04 FCB 4
|
2541 |
|
|
2052 IFD DATOPT
|
2542 |
|
|
2053 *
|
2543 |
|
|
2054 * POWER UP/ RESET/ NMI ENTRY POINT
|
2544 |
|
|
2055 *
|
2545 |
|
|
2056 ORG $FF00
|
2546 |
|
|
2057 *
|
2547 |
|
|
2058 *
|
2548 |
|
|
2059 START LDX #IC11 POINT TO DAT RAM IC11
|
2549 |
|
|
2060 LDA #$F GET COMPLIMENT OF ZERO
|
2550 |
|
|
2061 *
|
2551 |
|
|
2062 *
|
2552 |
|
|
2063 * INITIALIZE DAT RAM --- LOADS $F-$0 IN LOCATIONS $0-$F
|
2553 |
|
|
2064 * OF DAT RAM, THUS STORING COMPLEMENT OF MSB OF ADDRESS
|
2554 |
|
|
2065 * IN THE DAT RAM. THE COMPLEMENT IS REQUIRED BECAUSE THE
|
2555 |
|
|
2066 * OUTPUT OF IC11, A 74S189, IS THE INVERSE OF THE DATA
|
2556 |
|
|
2067 * STORED IN IT.
|
2557 |
|
|
2068 *
|
2558 |
|
|
2069 *
|
2559 |
|
|
2070 DATLP STA ,X+ STORE & POINT TO NEXT RAM LOCATION
|
2560 |
|
|
2071 DECA GET COMP. VALUE FOR NEXT LOCATION
|
2561 |
|
|
2072 BNE DATLP ALL 16 LOCATIONS INITIALIZED ?
|
2562 |
|
|
2073 *
|
2563 |
|
|
2074 * NOTE: IX NOW CONTAINS $0000, DAT RAM IS NO LONGER
|
2564 |
|
|
2075 * ADDRESSED, AND LOGICAL ADDRESSES NOW EQUAL
|
2565 |
|
|
2076 * PHYSICAL ADDRESSES.
|
2566 |
|
|
2077 *
|
2567 |
|
|
2078 LDA #$F0
|
2568 |
|
|
2079 STA ,X STORE $F0 AT $FFFF
|
2569 |
|
|
2080 LDX #$D0A0 ASSUME RAM TO BE AT $D000-$DFFF
|
2570 |
|
|
2081 LDY #TSTPAT LOAD TEST DATA PATTERN INTO "Y"
|
2571 |
|
|
2082 TSTRAM LDU ,X SAVE DATA FROM TEST LOCATION
|
2572 |
|
|
2083 STY ,X STORE TEST PATTERN AT $D0A0
|
2573 |
|
|
2084 CMPY ,X IS THERE RAM AT THIS LOCATION ?
|
2574 |
|
|
2085 BEQ CNVADR IF MATCH THERE'S RAM, SO SKIP
|
2575 |
|
|
2086 LEAX -$1000,X ELSE POINT 4K LOWER
|
2576 |
|
|
2087 CMPX #$F0A0 DECREMENTED PAST ZER0 YET ?
|
2577 |
|
|
2088 BNE TSTRAM IF NOT CONTINUE TESTING FOR RAM
|
2578 |
|
|
2089 BRA START ELSE START ALL OVER AGAIN
|
2579 |
|
|
2090 *
|
2580 |
|
|
2091 *
|
2581 |
|
|
2092 * THE FOLLOWING CODE STORES THE COMPLEMENT OF
|
2582 |
|
|
2093 * THE MS CHARACTER OF THE FOUR CHARACTER HEX
|
2583 |
|
|
2094 * ADDRESS OF THE FIRST 4K BLOCK OF RAM LOCATED
|
2584 |
|
|
2095 * BY THE ROUTINE "TSTRAM" INTO THE DAT RAM. IT
|
2585 |
|
|
2096 * IS STORED IN RAM IN THE LOCATION THAT IS
|
2586 |
|
|
2097 * ADDRESSED WHEN THE PROCESSOR ADDRESS IS $D---,
|
2587 |
|
|
2098 * THUS IF THE FIRST 4K BLOCK OF RAM IS FOUND
|
2588 |
|
|
2099 * WHEN TESTING LOCATION $70A0, MEANING THERE
|
2589 |
|
|
2100 * IS NO RAM PHYSICALLY ADDRESSED IN THE RANGE
|
2590 |
|
|
2101 * $8000-$DFFF, THEN THE COMPLEMENT OF THE
|
2591 |
|
|
2102 * "7" IN THE $70A0 WILL BE STORED IN
|
2592 |
|
|
2103 * THE DAT RAM. THUS WHEN THE PROCESSOR OUTPUTS
|
2593 |
|
|
2104 * AN ADDRESS OF $D---, THE DAT RAM WILL RESPOND
|
2594 |
|
|
2105 * BY RECOMPLEMENTING THE "7" AND OUTPUTTING THE
|
2595 |
|
|
2106 * 7 ONTO THE A12-A15 ADDRESS LINES. THUS THE
|
2596 |
|
|
2107 * RAM THAT IS PHYSICALLY ADDRESSED AT $7---
|
2597 |
|
|
2108 * WILL RESPOND AND APPEAR TO THE 6809 THAT IT
|
2598 |
|
|
2109 * IS AT $D--- SINCE THAT IS THE ADDRESS THE
|
2599 |
|
|
2110 * 6809 WILL BE OUTPUTING WHEN THAT 4K BLOCK
|
2600 |
|
|
2111 * OF RAM RESPONDS.
|
2601 |
|
|
2112 *
|
2602 |
|
|
2113 *
|
2603 |
|
|
2114 CNVADR STU ,X RESTORE DATA AT TEST LOCATION
|
2604 |
|
|
2115 TFR X,D PUT ADDR. OF PRESENT 4K BLOCK IN D
|
2605 |
|
|
2116 COMA COMPLEMENT MSB OF THAT ADDRESS
|
2606 |
|
|
2117 LSRA PUT MS 4 BITS OF ADDRESS IN
|
2607 |
|
|
2118 LSRA LOCATION D0-D3 TO ALLOW STORING
|
2608 |
|
|
2119 LSRA IT IN THE DYNAMIC ADDRESS
|
2609 |
|
|
2120 LSRA TRANSLATION RAM.
|
2610 |
|
|
2121 STA $FFFD STORE XLATION FACTOR IN DAT "D"
|
2611 |
|
|
2122 *
|
2612 |
|
|
2123 LDS #STACK INITIALIZE STACK POINTER
|
2613 |
|
|
2124 *
|
2614 |
|
|
2125 *
|
2615 |
|
|
2126 * THE FOLLOWING CHECKS TO FIND THE REAL PHYSICAL ADDRESSES
|
2616 |
|
|
2127 * OF ALL 4K BLKS OF RAM IN THE SYSTEM. WHEN EACH 4K BLK
|
2617 |
|
|
2128 * OF RAM IS LOCATED, THE COMPLEMENT OF IT'S REAL ADDRESS
|
2618 |
|
|
2129 * IS THEN STORED IN A "LOGICAL" TO "REAL" ADDRESS XLATION
|
2619 |
|
|
2130 * TABLE THAT IS BUILT FROM $DFD0 TO $DFDF. FOR EXAMPLE IF
|
2620 |
|
|
2131 * THE SYSTEM HAS RAM THAT IS PHYSICALLY LOCATED (WIRED TO
|
2621 |
|
|
2132 * RESPOND) AT THE HEX LOCATIONS $0--- THRU $F---....
|
2622 |
|
|
2133 *
|
2623 |
|
|
2134 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
2624 |
|
|
2135 * 4K 4K 4K 4K 4K 4K 4K 4K -- 4K 4K 4K 4K -- -- --
|
2625 |
|
|
2136 *
|
2626 |
|
|
2137 * ....FOR A TOTAL OF 48K OF RAM, THEN THE TRANSLATION TABLE
|
2627 |
|
|
2138 * CREATED FROM $DFD0 TO $DFDF WILL CONSIST OF THE FOLLOWING....
|
2628 |
|
|
2139 *
|
2629 |
|
|
2140 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
2630 |
|
|
2141 * 0F 0E 0D 0C 0B 0A 09 08 06 05 00 00 04 03 F1 F0
|
2631 |
|
|
2142 *
|
2632 |
|
|
2143 *
|
2633 |
|
|
2144 * HERE WE SEE THE LOGICAL ADDRESSES OF MEMORY FROM $0000-$7FFF
|
2634 |
|
|
2145 * HAVE NOT BEEN SELECTED FOR RELOCATION SO THAT THEIR PHYSICAL
|
2635 |
|
|
2146 * ADDRESS WILL = THEIR LOGICAL ADDRESS; HOWEVER, THE 4K BLOCK
|
2636 |
|
|
2147 * PHYSICALLY AT $9000 WILL HAVE ITS ADDRESS TRANSLATED SO THAT
|
2637 |
|
|
2148 * IT WILL LOGICALLY RESPOND AT $8000. LIKEWISE $A,$B, AND $C000
|
2638 |
|
|
2149 * WILL BE TRANSLATED TO RESPOND TO $9000,$C000, AND $D000
|
2639 |
|
|
2150 * RESPECTIVELY. THE USER SYSTEM WILL LOGICALLY APPEAR TO HAVE
|
2640 |
|
|
2151 * MEMORY ADDRESSED AS FOLLOWS....
|
2641 |
|
|
2152 *
|
2642 |
|
|
2153 * 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
2643 |
|
|
2154 * 4K 4K 4K 4K 4K 4K 4K 4K 4K 4K -- -- 4K 4K -- --
|
2644 |
|
|
2155 *
|
2645 |
|
|
2156 *
|
2646 |
|
|
2157 LDY #LRARAM POINT TO LOGICAL/REAL ADDR. TABLE
|
2647 |
|
|
2158 STA 13,Y STORE $D--- XLATION FACTOR AT $DFDD
|
2648 |
|
|
2159 CLR 14,Y CLEAR $DFDE
|
2649 |
|
|
2160 LDA #$F0 DESTINED FOR IC8 AN MEM EXPANSION ?
|
2650 |
|
|
2161 STA 15,Y STORE AT $DFDF
|
2651 |
|
|
2162 LDA #$0C PRESET NUMBER OF BYTES TO CLEAR
|
2652 |
|
|
2163 CLRLRT CLR A,Y CLEAR $DFDC THRU $DFD0
|
2653 |
|
|
2164 DECA SUB. 1 FROM BYTES LEFT TO CLEAR
|
2654 |
|
|
2165 BPL CLRLRT CONTINUE IF NOT DONE CLEARING
|
2655 |
|
|
2166 FNDRAM LEAX -$1000,X POINT TO NEXT LOWER 4K OF RAM
|
2656 |
|
|
2167 CMPX #$F0A0 TEST FOR DECREMENT PAST ZERO
|
2657 |
|
|
2168 BEQ FINTAB SKIP IF FINISHED
|
2658 |
|
|
2169 LDU ,X SAVE DATA AT CURRENT TEST LOCATION
|
2659 |
|
|
2170 LDY #TSTPAT LOAD TEST DATA PATTERN INTO Y REG.
|
2660 |
|
|
2171 STY ,X STORE TEST PATT. INTO RAM TEST LOC.
|
2661 |
|
|
2172 CMPY ,X VERIFY RAM AT TEST LOCATION
|
2662 |
|
|
2173 BNE FNDRAM IF NO RAM GO LOOK 4K LOWER
|
2663 |
|
|
2174 STU ,X ELSE RESTORE DATA TO TEST LOCATION
|
2664 |
|
|
2175 LDY #LRARAM POINT TO LOGICAL/REAL ADDR. TABLE
|
2665 |
|
|
2176 TFR X,D PUT ADDR. OF PRESENT 4K BLOCK IN D
|
2666 |
|
|
2177 LSRA PUT MS 4 BITS OF ADDR. IN LOC. D0-D3
|
2667 |
|
|
2178 LSRA TO ALLOW STORING IT IN THE DAT RAM.
|
2668 |
|
|
2179 LSRA
|
2669 |
|
|
2180 LSRA
|
2670 |
|
|
2181 TFR A,B SAVE OFFSET INTO LRARAM TABLE
|
2671 |
|
|
2182 EORA #$0F INVERT MSB OF ADDR. OF CURRENT 4K BLK
|
2672 |
|
|
2183 STA B,Y SAVE TRANSLATION FACTOR IN LRARAM TABLE
|
2673 |
|
|
2184 BRA FNDRAM GO TRANSLATE ADDR. OF NEXT 4K BLK
|
2674 |
|
|
2185 FINTAB LDA #$F1 DESTINED FOR IC8 AND MEM EXPANSION ?
|
2675 |
|
|
2186 LDY #LRARAM POINT TO LRARAM TABLE
|
2676 |
|
|
2187 STA 14,Y STORE $F1 AT $DFCE
|
2677 |
|
|
2188 *
|
2678 |
|
|
2189 * THE FOLLOWING CHECKS TO SEE IF THERE IS A 4K BLK OF
|
2679 |
|
|
2190 * RAM LOCATED AT $C000-$CFFF. IF NONE THERE IT LOCATES
|
2680 |
|
|
2191 * THE NEXT LOWER 4K BLK AN XLATES ITS ADDR SO IT
|
2681 |
|
|
2192 * LOGICALLY RESPONDS TO THE ADDRESS $C---.
|
2682 |
|
|
2193 *
|
2683 |
|
|
2194 *
|
2684 |
|
|
2195 LDA #$0C PRESET NUMBER HEX "C"
|
2685 |
|
|
2196 FINDC LDB A,Y GET ENTRY FROM LRARAM TABLE
|
2686 |
|
|
2197 BNE FOUNDC BRANCH IF RAM THIS PHYSICAL ADDR.
|
2687 |
|
|
2198 DECA ELSE POINT 4K LOWER
|
2688 |
|
|
2199 BPL FINDC GO TRY AGAIN
|
2689 |
|
|
2200 BRA XFERTF
|
2690 |
|
|
2201 FOUNDC CLR A,Y CLR XLATION FACTOR OF 4K BLOCK FOUND
|
2691 |
|
|
2202 STB $C,Y GIVE IT XLATION FACTOR MOVING IT TO $C---
|
2692 |
|
|
2203 *
|
2693 |
|
|
2204 * THE FOLLOWING CODE ADJUSTS THE TRANSLATION
|
2694 |
|
|
2205 * FACTORS SUCH THAT ALL REMAINING RAM WILL
|
2695 |
|
|
2206 * RESPOND TO A CONTIGUOUS BLOCK OF LOGICAL
|
2696 |
|
|
2207 * ADDRESSES FROM $0000 AND UP....
|
2697 |
|
|
2208 *
|
2698 |
|
|
2209 CLRA START AT ZERO
|
2699 |
|
|
2210 TFR Y,X START POINTER "X" START OF "LRARAM" TABLE.
|
2700 |
|
|
2211 COMPRS LDB A,Y GET ENTRY FROM "LRARAM" TABLE
|
2701 |
|
|
2212 BEQ PNTNXT IF IT'S ZER0 SKIP
|
2702 |
|
|
2213 CLR A,Y ELSE ERASE FROM TABLE
|
2703 |
|
|
2214 STB ,X+ AND ENTER ABOVE LAST ENTRY- BUMP
|
2704 |
|
|
2215 PNTNXT INCA GET OFFSET TO NEXT ENTRY
|
2705 |
|
|
2216 CMPA #$0C LAST ENTRY YET ?
|
2706 |
|
|
2217 BLT COMPRS
|
2707 |
|
|
2218 *
|
2708 |
|
|
2219 * THE FOLLOWING CODE TRANSFER THE TRANSLATION
|
2709 |
|
|
2220 * FACTORS FROM THE LRARAM TABLE TO IC11 ON
|
2710 |
|
|
2221 * THE MP-09 CPU CARD.
|
2711 |
|
|
2222 *
|
2712 |
|
|
2223 XFERTF LDX #IC11 POINT TO DAT RAM IC11
|
2713 |
|
|
2224 LDB #$10 GET NO. OF BYTES TO MOVE
|
2714 |
|
|
2225 FETCH LDA ,Y+ GET BYTE AND POINT TO NEXT
|
2715 |
|
|
2226 STA ,X+ POKE XLATION FACTOR IN IC11
|
2716 |
|
|
2227 DECB SUB 1 FROM BYTES TO MOVE
|
2717 |
|
|
2228 BNE FETCH CONTINUE UNTIL 16 MOVED
|
2718 |
|
|
2229 *
|
2719 |
|
|
2230 ELSE
|
2720 |
|
|
2231 FEE1 39 LRA RTS
|
2721 |
|
|
2232 FEE2 10 CE 7F C0 START LDS #STACK INITIALIZE STACK POINTER
|
2722 |
|
|
2233 FEE6 5F CLRB
|
2723 |
|
|
2234 ENDIF DATOPT
|
2724 |
|
|
2235 *
|
2725 |
|
|
2236 FEE7 53 COMB SET "B" NON-ZERO
|
2726 |
|
|
2237 FEE8 F7 7F D2 STB ECHO TURN ON ECHO FLAG
|
2727 |
|
|
2238 FEEB 16 F9 26 LBRA MONITOR INITIALIZATION IS COMPLETE
|
2728 |
|
|
2239 *
|
2729 |
|
|
2240 ** INTERRUPT JUMP VECTORS
|
2730 |
|
|
2241 *
|
2731 |
|
|
2242 FEEE 6E 9F 7F C0 V1 JMP [STACK]
|
2732 |
|
|
2243 FEF2 6E 9F 7F C4 V2 JMP [SWI2]
|
2733 |
|
|
2244 FEF6 6E 9F 7F C6 V3 JMP [FIRQ]
|
2734 |
|
|
2245 FEFA 6E 9F 7F C8 V4 JMP [IRQ]
|
2735 |
|
|
2246 FEFE 6E 9F 7F CA V5 JMP [SWI]
|
2736 |
|
|
2247 *
|
2737 |
|
|
2248 * SWI3 ENTRY POINT
|
2738 |
|
|
2249 *
|
2739 |
|
|
2250 FF02 1F 43 SWI3E TFR S,U
|
2740 |
|
|
2251 FF04 AE 4A LDX 10,U *$FFC8
|
2741 |
|
|
2252 FF06 E6 80 LDB ,X+
|
2742 |
|
|
2253 FF08 AF 4A STX 10,U
|
2743 |
|
|
2254 FF0A 4F CLRA
|
2744 |
|
|
2255 FF0B 58 ASLB
|
2745 |
|
|
2256 FF0C 49 ROLA
|
2746 |
|
|
2257 FF0D BE 7F CC LDX SVCVO
|
2747 |
|
|
2258 FF10 8C FF FF CMPX #$FFFF
|
2748 |
|
|
2259 FF13 27 0F BEQ SWI3Z
|
2749 |
|
|
2260 FF15 30 8B LEAX D,X
|
2750 |
|
|
2261 FF17 BC 7F CE CMPX SVCVL
|
2751 |
|
|
2262 FF1A 22 08 BHI SWI3Z
|
2752 |
|
|
2263 FF1C 34 10 PSHS X
|
2753 |
|
|
2264 FF1E EC C4 LDD ,U
|
2754 |
|
|
2265 FF20 AE 44 LDX 4,U
|
2755 |
|
|
2266 FF22 6E F1 JMP [,S++]
|
2756 |
|
|
2267 FF24 37 1F SWI3Z PULU A,B,X,CC,DP
|
2757 |
|
|
2268 FF26 EE 42 LDU 2,U
|
2758 |
|
|
2269 FF28 6E 9F 7F C2 JMP [SWI3]
|
2759 |
|
|
2270 *
|
2760 |
|
|
2271 * 6809 VECTORS
|
2761 |
|
|
2272 *
|
2762 |
|
|
2273 FFF0 ORG $FFF0
|
2763 |
|
|
2274 FFF0 FE EE FDB V1 USER-V
|
2764 |
|
|
2275 FFF2 FF 02 FDB SWI3E SWI3-V
|
2765 |
|
|
2276 FFF4 FE F2 FDB V2 SWI2-V
|
2766 |
|
|
2277 FFF6 FE F6 FDB V3 FIRQ-V
|
2767 |
|
|
2278 FFF8 FE FA FDB V4 IRQ-V
|
2768 |
|
|
2279 FFFA FE FE FDB V5 SWI-V
|
2769 |
|
|
2280 FFFC FE EE FDB V1 NMI-V
|
2770 |
|
|
2281 FFFE FE E2 FDB START RESTART-V
|
2771 |
|
|
0004 END START
|
2772 |
|
|
0005 END
|
2773 |
|
|
Program + Init Data = 1852 bytes
|
2774 |
|
|
Error count = 0
|