812 lines
13 KiB
NASM
812 lines
13 KiB
NASM
;***********************************************************************
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; MICROCOSM ASSOCIATES 8080/8085 CPU DIAGNOSTIC VERSION 1.0 (C) 1980
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;***********************************************************************
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;
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;DONATED TO THE "SIG/M" CP/M USER'S GROUP BY:
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;KELLY SMITH, MICROCOSM ASSOCIATES
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;3055 WACO AVENUE
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;SIMI VALLEY, CALIFORNIA, 93065
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;(805) 527-9321 (MODEM, CP/M-NET (TM))
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;(805) 527-0518 (VERBAL)
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;
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;
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;
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;
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;
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;
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ORG 00100H
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;
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;
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;
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JMP CPU ;JUMP TO 8080 CPU DIAGNOSTIC
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;
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;
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;
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DB 'MICROCOSM ASSOCIATES 8080/8085 CPU DIAGNOSTIC'
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DB ' VERSION 1.0 (C) 1980'
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;
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;
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;
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BDOS EQU 00005H ;BDOS ENTRY TO CP/M
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WBOOT EQU 00000H ;RE-ENTRY TO CP/M WARM BOOT
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;
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;
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;
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;MESSAGE OUTPUT ROUTINE
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;
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MSG: PUSH D ;EXILE D REG.
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XCHG ;SWAP H&L REGS. TO D&E REGS.
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MVI C,9 ;LET BDOS KNOW WE WANT TO SEND A MESSAGE
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CALL BDOS
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POP D ;BACK FROM EXILE
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RET
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;
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;
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;
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;CHARACTER OUTPUT ROUTINE
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;
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PCHAR: MVI C,2
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CALL BDOS
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RET
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;
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;
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;
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BYTEO: PUSH PSW
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CALL BYTO1
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MOV E,A
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CALL PCHAR
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POP PSW
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CALL BYTO2
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MOV E,A
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JMP PCHAR
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BYTO1: RRC
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RRC
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RRC
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RRC
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BYTO2: ANI 0FH
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CPI 0AH
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JM BYTO3
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ADI 7
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BYTO3: ADI 30H
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RET
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;
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;
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;
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;************************************************************
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; MESSAGE TABLE FOR OPERATIONAL CPU TEST
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;************************************************************
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;
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OKCPU: DB 0CH,0DH,0AH,' CPU IS OPERATIONAL$'
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;
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NGCPU: DB 0CH,0DH,0AH,' CPU HAS FAILED! ERROR EXIT=$'
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;
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;
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;
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;************************************************************
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; 8080/8085 CPU TEST/DIAGNOSTIC
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;************************************************************
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;
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;NOTE: (1) PROGRAM ASSUMES "CALL",AND "LXI SP" INSTRUCTIONS WORK!
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;
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; (2) INSTRUCTIONS NOT TESTED ARE "HLT","DI","EI","RIM","SIM",
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; AND "RST 0" THRU "RST 7"
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;
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;
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;
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;TEST JUMP INSTRUCTIONS AND FLAGS
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;
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CPU: LXI SP,STACK ;SET THE STACK POINTER
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ANI 0 ;INITIALIZE A REG. AND CLEAR ALL FLAGS
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JZ J010 ;TEST "JZ"
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CALL CPUER
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J010: JNC J020 ;TEST "JNC"
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CALL CPUER
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J020: JPE J030 ;TEST "JPE"
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CALL CPUER
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J030: JP J040 ;TEST "JP"
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CALL CPUER
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J040: JNZ J050 ;TEST "JNZ"
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JC J050 ;TEST "JC"
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JPO J050 ;TEST "JPO"
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JM J050 ;TEST "JM"
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JMP J060 ;TEST "JMP" (IT'S A LITTLE LATE,BUT WHAT THE HELL!
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J050: CALL CPUER
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J060: ADI 6 ;A=6,C=0,P=1,S=0,Z=0
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JNZ J070 ;TEST "JNZ"
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CALL CPUER
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J070: JC J080 ;TEST "JC"
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JPO J080 ;TEST "JPO"
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JP J090 ;TEST "JP"
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J080: CALL CPUER
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J090: ADI 070H ;A=76H,C=0,P=0,S=0,Z=0
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JPO J100 ;TEST "JPO"
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CALL CPUER
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J100: JM J110 ;TEST "JM"
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JZ J110 ;TEST "JZ"
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JNC J120 ;TEST "JNC"
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J110: CALL CPUER
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J120: ADI 081H ;A=F7H,C=0,P=0,S=1,Z=0
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JM J130 ;TEST "JM"
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CALL CPUER
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J130: JZ J140 ;TEST "JZ"
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JC J140 ;TEST "JC"
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JPO J150 ;TEST "JPO"
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J140: CALL CPUER
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J150: ADI 0FEH ;A=F5H,C=1,P=1,S=1,Z=0
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JC J160 ;TEST "JC"
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CALL CPUER
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J160: JZ J170 ;TEST "JZ"
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JPO J170 ;TEST "JPO"
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JM AIMM ;TEST "JM"
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J170: CALL CPUER
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;
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;
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;
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;TEST ACCUMULATOR IMMEDIATE INSTRUCTIONS
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;
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AIMM: CPI 0 ;A=F5H,C=0,Z=0
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JC CPIE ;TEST "CPI" FOR RE-SET CARRY
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JZ CPIE ;TEST "CPI" FOR RE-SET ZERO
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CPI 0F5H ;A=F5H,C=0,Z=1
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JC CPIE ;TEST "CPI" FOR RE-SET CARRY ("ADI")
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JNZ CPIE ;TEST "CPI" FOR RE-SET ZERO
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CPI 0FFH ;A=F5H,C=1,Z=0
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JZ CPIE ;TEST "CPI" FOR RE-SET ZERO
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JC ACII ;TEST "CPI" FOR SET CARRY
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CPIE: CALL CPUER
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ACII: ACI 00AH ;A=F5H+0AH+CARRY(1)=0,C=1
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ACI 00AH ;A=0+0AH+CARRY(0)=0BH,C=0
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CPI 00BH
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JZ SUII ;TEST "ACI"
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CALL CPUER
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SUII: SUI 00CH ;A=FFH,C=0
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SUI 00FH ;A=F0H,C=1
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CPI 0F0H
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JZ SBII ;TEST "SUI"
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CALL CPUER
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SBII: SBI 0F1H ;A=F0H-0F1H-CARRY(0)=FFH,C=1
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SBI 00EH ;A=FFH-OEH-CARRY(1)=F0H,C=0
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CPI 0F0H
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JZ ANII ;TEST "SBI"
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CALL CPUER
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ANII: ANI 055H ;A=F0H<AND>55H=50H,C=0,P=1,S=0,Z=0
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CPI 050H
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JZ ORII ;TEST "ANI"
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CALL CPUER
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ORII: ORI 03AH ;A=50H<OR>3AH=7AH,C=0,P=0,S=0,Z=0
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CPI 07AH
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JZ XRII ;TEST "ORI"
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CALL CPUER
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XRII: XRI 00FH ;A=7AH<XOR>0FH=75H,C=0,P=0,S=0,Z=0
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CPI 075H
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JZ C010 ;TEST "XRI"
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CALL CPUER
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;
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;
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;
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;TEST CALLS AND RETURNS
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;
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C010: ANI 000H ;A=0,C=0,P=1,S=0,Z=1
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CC CPUER ;TEST "CC"
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CPO CPUER ;TEST "CPO"
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CM CPUER ;TEST "CM"
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CNZ CPUER ;TEST "CNZ"
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CPI 000H
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JZ C020 ;A=0,C=0,P=0,S=0,Z=1
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CALL CPUER
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C020: SUI 077H ;A=89H,C=1,P=0,S=1,Z=0
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CNC CPUER ;TEST "CNC"
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CPE CPUER ;TEST "CPE"
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CP CPUER ;TEST "CP"
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CZ CPUER ;TEST "CZ"
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CPI 089H
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JZ C030 ;TEST FOR "CALLS" TAKING BRANCH
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CALL CPUER
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C030: ANI 0FFH ;SET FLAGS BACK!
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CPO CPOI ;TEST "CPO"
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CPI 0D9H
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JZ MOVI ;TEST "CALL" SEQUENCE SUCCESS
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CALL CPUER
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CPOI: RPE ;TEST "RPE"
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ADI 010H ;A=99H,C=0,P=0,S=1,Z=0
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CPE CPEI ;TEST "CPE"
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ADI 002H ;A=D9H,C=0,P=0,S=1,Z=0
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RPO ;TEST "RPO"
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CALL CPUER
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CPEI: RPO ;TEST "RPO"
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ADI 020H ;A=B9H,C=0,P=0,S=1,Z=0
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CM CMI ;TEST "CM"
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ADI 004H ;A=D7H,C=0,P=1,S=1,Z=0
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RPE ;TEST "RPE"
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CALL CPUER
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CMI: RP ;TEST "RP"
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ADI 080H ;A=39H,C=1,P=1,S=0,Z=0
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CP TCPI ;TEST "CP"
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ADI 080H ;A=D3H,C=0,P=0,S=1,Z=0
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RM ;TEST "RM"
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CALL CPUER
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TCPI: RM ;TEST "RM"
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ADI 040H ;A=79H,C=0,P=0,S=0,Z=0
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CNC CNCI ;TEST "CNC"
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ADI 040H ;A=53H,C=0,P=1,S=0,Z=0
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RP ;TEST "RP"
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CALL CPUER
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CNCI: RC ;TEST "RC"
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ADI 08FH ;A=08H,C=1,P=0,S=0,Z=0
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CC CCI ;TEST "CC"
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SUI 002H ;A=13H,C=0,P=0,S=0,Z=0
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RNC ;TEST "RNC"
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CALL CPUER
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CCI: RNC ;TEST "RNC"
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ADI 0F7H ;A=FFH,C=0,P=1,S=1,Z=0
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CNZ CNZI ;TEST "CNZ"
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ADI 0FEH ;A=15H,C=1,P=0,S=0,Z=0
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RC ;TEST "RC"
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CALL CPUER
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CNZI: RZ ;TEST "RZ"
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ADI 001H ;A=00H,C=1,P=1,S=0,Z=1
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CZ CZI ;TEST "CZ"
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ADI 0D0H ;A=17H,C=1,P=1,S=0,Z=0
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RNZ ;TEST "RNZ"
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CALL CPUER
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CZI: RNZ ;TEST "RNZ"
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ADI 047H ;A=47H,C=0,P=1,S=0,Z=0
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CPI 047H ;A=47H,C=0,P=1,S=0,Z=1
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RZ ;TEST "RZ"
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CALL CPUER
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;
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;
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;
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;TEST "MOV","INR",AND "DCR" INSTRUCTIONS
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;
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MOVI: MVI A,077H
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INR A
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MOV B,A
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INR B
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MOV C,B
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DCR C
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MOV D,C
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MOV E,D
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MOV H,E
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MOV L,H
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MOV A,L ;TEST "MOV" A,L,H,E,D,C,B,A
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DCR A
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MOV C,A
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MOV E,C
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MOV L,E
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MOV B,L
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MOV D,B
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MOV H,D
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MOV A,H ;TEST "MOV" A,H,D,B,L,E,C,A
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MOV D,A
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INR D
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MOV L,D
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MOV C,L
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INR C
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MOV H,C
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MOV B,H
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DCR B
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MOV E,B
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MOV A,E ;TEST "MOV" A,E,B,H,C,L,D,A
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MOV E,A
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INR E
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MOV B,E
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MOV H,B
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INR H
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MOV C,H
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MOV L,C
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MOV D,L
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DCR D
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MOV A,D ;TEST "MOV" A,D,L,C,H,B,E,A
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MOV H,A
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DCR H
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MOV D,H
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MOV B,D
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MOV L,B
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INR L
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MOV E,L
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DCR E
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MOV C,E
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MOV A,C ;TEST "MOV" A,C,E,L,B,D,H,A
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MOV L,A
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DCR L
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MOV H,L
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MOV E,H
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MOV D,E
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MOV C,D
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MOV B,C
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MOV A,B
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CPI 077H
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CNZ CPUER ;TEST "MOV" A,B,C,D,E,H,L,A
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;
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;
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;
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;TEST ARITHMETIC AND LOGIC INSTRUCTIONS
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;
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XRA A
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MVI B,001H
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MVI C,003H
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MVI D,007H
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MVI E,00FH
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MVI H,01FH
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MVI L,03FH
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ADD B
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ADD C
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ADD D
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ADD E
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ADD H
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ADD L
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ADD A
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CPI 0F0H
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CNZ CPUER ;TEST "ADD" B,C,D,E,H,L,A
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SUB B
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SUB C
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SUB D
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SUB E
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SUB H
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SUB L
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CPI 078H
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CNZ CPUER ;TEST "SUB" B,C,D,E,H,L
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SUB A
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CNZ CPUER ;TEST "SUB" A
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MVI A,080H
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ADD A
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MVI B,001H
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MVI C,002H
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MVI D,003H
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MVI E,004H
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MVI H,005H
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MVI L,006H
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ADC B
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MVI B,080H
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ADD B
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ADD B
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ADC C
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ADD B
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ADD B
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ADC D
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ADD B
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ADD B
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ADC E
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ADD B
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ADD B
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ADC H
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ADD B
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ADD B
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ADC L
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ADD B
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ADD B
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ADC A
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CPI 037H
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CNZ CPUER ;TEST "ADC" B,C,D,E,H,L,A
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MVI A,080H
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ADD A
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MVI B,001H
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SBB B
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MVI B,0FFH
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ADD B
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SBB C
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ADD B
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SBB D
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ADD B
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SBB E
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ADD B
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SBB H
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ADD B
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SBB L
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CPI 0E0H
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CNZ CPUER ;TEST "SBB" B,C,D,E,H,L
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MVI A,080H
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ADD A
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SBB A
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CPI 0FFH
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CNZ CPUER ;TEST "SBB" A
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MVI A,0FFH
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MVI B,0FEH
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MVI C,0FCH
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MVI D,0EFH
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MVI E,07FH
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MVI H,0F4H
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MVI L,0BFH
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ANA A
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ANA C
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ANA D
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ANA E
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ANA H
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ANA L
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ANA A
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CPI 024H
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CNZ CPUER ;TEST "ANA" B,C,D,E,H,L,A
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XRA A
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MVI B,001H
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MVI C,002H
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MVI D,004H
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MVI E,008H
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MVI H,010H
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MVI L,020H
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ORA B
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ORA C
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ORA D
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ORA E
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ORA H
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ORA L
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ORA A
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CPI 03FH
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CNZ CPUER ;TEST "ORA" B,C,D,E,H,L,A
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MVI A,000H
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MVI H,08FH
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MVI L,04FH
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XRA B
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XRA C
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XRA D
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XRA E
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XRA H
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XRA L
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CPI 0CFH
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CNZ CPUER ;TEST "XRA" B,C,D,E,H,L
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XRA A
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CNZ CPUER ;TEST "XRA" A
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MVI B,044H
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MVI C,045H
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MVI D,046H
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MVI E,047H
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MVI H,(TEMP0 / 0FFH) ;HIGH BYTE OF TEST MEMORY LOCATION
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MVI L,(TEMP0 AND 0FFH) ;LOW BYTE OF TEST MEMORY LOCATION
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MOV M,B
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MVI B,000H
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MOV B,M
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MVI A,044H
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CMP B
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CNZ CPUER ;TEST "MOV" M,B AND B,M
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MOV M,D
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MVI D,000H
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MOV D,M
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MVI A,046H
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CMP D
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CNZ CPUER ;TEST "MOV" M,D AND D,M
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MOV M,E
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MVI E,000H
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MOV E,M
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MVI A,047H
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CMP E
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CNZ CPUER ;TEST "MOV" M,E AND E,M
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MOV M,H
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MVI H,(TEMP0 / 0FFH)
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MVI L,(TEMP0 AND 0FFH)
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MOV H,M
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MVI A,(TEMP0 / 0FFH)
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CMP H
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CNZ CPUER ;TEST "MOV" M,H AND H,M
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MOV M,L
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MVI H,(TEMP0 / 0FFH)
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MVI L,(TEMP0 AND 0FFH)
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MOV L,M
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MVI A,(TEMP0 AND 0FFH)
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CMP L
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CNZ CPUER ;TEST "MOV" M,L AND L,M
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MVI H,(TEMP0 / 0FFH)
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MVI L,(TEMP0 AND 0FFH)
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MVI A,032H
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MOV M,A
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CMP M
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CNZ CPUER ;TEST "MOV" M,A
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ADD M
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CPI 064H
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CNZ CPUER ;TEST "ADD" M
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XRA A
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MOV A,M
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CPI 032H
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CNZ CPUER ;TEST "MOV" A,M
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MVI H,(TEMP0 / 0FFH)
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MVI L,(TEMP0 AND 0FFH)
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MOV A,M
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SUB M
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CNZ CPUER ;TEST "SUB" M
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MVI A,080H
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ADD A
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ADC M
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CPI 033H
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CNZ CPUER ;TEST "ADC" M
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MVI A,080H
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ADD A
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SBB M
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CPI 0CDH
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CNZ CPUER ;TEST "SBB" M
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ANA M
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CNZ CPUER ;TEST "ANA" M
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MVI A,025H
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ORA M
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CPI 037H
|
|
CNZ CPUER ;TEST "ORA" M
|
|
XRA M
|
|
CPI 005H
|
|
CNZ CPUER ;TEST "XRA" M
|
|
MVI M,055H
|
|
INR M
|
|
DCR M
|
|
ADD M
|
|
CPI 05AH
|
|
CNZ CPUER ;TEST "INR","DCR",AND "MVI" M
|
|
LXI B,12FFH
|
|
LXI D,12FFH
|
|
LXI H,12FFH
|
|
INX B
|
|
INX D
|
|
INX H
|
|
MVI A,013H
|
|
CMP B
|
|
CNZ CPUER ;TEST "LXI" AND "INX" B
|
|
CMP D
|
|
CNZ CPUER ;TEST "LXI" AND "INX" D
|
|
CMP H
|
|
CNZ CPUER ;TEST "LXI" AND "INX" H
|
|
MVI A,000H
|
|
CMP C
|
|
CNZ CPUER ;TEST "LXI" AND "INX" B
|
|
CMP E
|
|
CNZ CPUER ;TEST "LXI" AND "INX" D
|
|
CMP L
|
|
CNZ CPUER ;TEST "LXI" AND "INX" H
|
|
DCX B
|
|
DCX D
|
|
DCX H
|
|
MVI A,012H
|
|
CMP B
|
|
CNZ CPUER ;TEST "DCX" B
|
|
CMP D
|
|
CNZ CPUER ;TEST "DCX" D
|
|
CMP H
|
|
CNZ CPUER ;TEST "DCX" H
|
|
MVI A,0FFH
|
|
CMP C
|
|
CNZ CPUER ;TEST "DCX" B
|
|
CMP E
|
|
CNZ CPUER ;TEST "DCX" D
|
|
CMP L
|
|
CNZ CPUER ;TEST "DCX" H
|
|
STA TEMP0
|
|
XRA A
|
|
LDA TEMP0
|
|
CPI 0FFH
|
|
CNZ CPUER ;TEST "LDA" AND "STA"
|
|
LHLD TEMPP
|
|
SHLD TEMP0
|
|
LDA TEMPP
|
|
MOV B,A
|
|
LDA TEMP0
|
|
CMP B
|
|
CNZ CPUER ;TEST "LHLD" AND "SHLD"
|
|
LDA TEMPP+1
|
|
MOV B,A
|
|
LDA TEMP0+1
|
|
CMP B
|
|
CNZ CPUER ;TEST "LHLD" AND "SHLD"
|
|
MVI A,0AAH
|
|
STA TEMP0
|
|
MOV B,H
|
|
MOV C,L
|
|
XRA A
|
|
LDAX B
|
|
CPI 0AAH
|
|
CNZ CPUER ;TEST "LDAX" B
|
|
INR A
|
|
STAX B
|
|
LDA TEMP0
|
|
CPI 0ABH
|
|
CNZ CPUER ;TEST "STAX" B
|
|
MVI A,077H
|
|
STA TEMP0
|
|
LHLD TEMPP
|
|
LXI D,00000H
|
|
XCHG
|
|
XRA A
|
|
LDAX D
|
|
CPI 077H
|
|
CNZ CPUER ;TEST "LDAX" D AND "XCHG"
|
|
XRA A
|
|
ADD H
|
|
ADD L
|
|
CNZ CPUER ;TEST "XCHG"
|
|
MVI A,0CCH
|
|
STAX D
|
|
LDA TEMP0
|
|
CPI 0CCH
|
|
STAX D
|
|
LDA TEMP0
|
|
CPI 0CCH
|
|
CNZ CPUER ;TEST "STAX" D
|
|
LXI H,07777H
|
|
DAD H
|
|
MVI A,0EEH
|
|
CMP H
|
|
CNZ CPUER ;TEST "DAD" H
|
|
CMP L
|
|
CNZ CPUER ;TEST "DAD" H
|
|
LXI H,05555H
|
|
LXI B,0FFFFH
|
|
DAD B
|
|
MVI A,055H
|
|
CNC CPUER ;TEST "DAD" B
|
|
CMP H
|
|
CNZ CPUER ;TEST "DAD" B
|
|
MVI A,054H
|
|
CMP L
|
|
CNZ CPUER ;TEST "DAD" B
|
|
LXI H,0AAAAH
|
|
LXI D,03333H
|
|
DAD D
|
|
MVI A,0DDH
|
|
CMP H
|
|
CNZ CPUER ;TEST "DAD" D
|
|
CMP L
|
|
CNZ CPUER ;TEST "DAD" B
|
|
STC
|
|
CNC CPUER ;TEST "STC"
|
|
CMC
|
|
CC CPUER ;TEST "CMC
|
|
MVI A,0AAH
|
|
CMA
|
|
CPI 055H
|
|
CNZ CPUER ;TEST "CMA"
|
|
ORA A ;RE-SET AUXILIARY CARRY
|
|
DAA
|
|
CPI 055H
|
|
CNZ CPUER ;TEST "DAA"
|
|
MVI A,088H
|
|
ADD A
|
|
DAA
|
|
CPI 076H
|
|
CNZ CPUER ;TEST "DAA"
|
|
XRA A
|
|
MVI A,0AAH
|
|
DAA
|
|
CNC CPUER ;TEST "DAA"
|
|
CPI 010H
|
|
CNZ CPUER ;TEST "DAA"
|
|
XRA A
|
|
MVI A,09AH
|
|
DAA
|
|
CNC CPUER ;TEST "DAA"
|
|
CNZ CPUER ;TEST "DAA"
|
|
STC
|
|
MVI A,042H
|
|
RLC
|
|
CC CPUER ;TEST "RLC" FOR RE-SET CARRY
|
|
RLC
|
|
CNC CPUER ;TEST "RLC" FOR SET CARRY
|
|
CPI 009H
|
|
CNZ CPUER ;TEST "RLC" FOR ROTATION
|
|
RRC
|
|
CNC CPUER ;TEST "RRC" FOR SET CARRY
|
|
RRC
|
|
CPI 042H
|
|
CNZ CPUER ;TEST "RRC" FOR ROTATION
|
|
RAL
|
|
RAL
|
|
CNC CPUER ;TEST "RAL" FOR SET CARRY
|
|
CPI 008H
|
|
CNZ CPUER ;TEST "RAL" FOR ROTATION
|
|
RAR
|
|
RAR
|
|
CC CPUER ;TEST "RAR" FOR RE-SET CARRY
|
|
CPI 002H
|
|
CNZ CPUER ;TEST "RAR" FOR ROTATION
|
|
LXI B,01234H
|
|
LXI D,0AAAAH
|
|
LXI H,05555H
|
|
XRA A
|
|
PUSH B
|
|
PUSH D
|
|
PUSH H
|
|
PUSH PSW
|
|
LXI B,00000H
|
|
LXI D,00000H
|
|
LXI H,00000H
|
|
MVI A,0C0H
|
|
ADI 0F0H
|
|
POP PSW
|
|
POP H
|
|
POP D
|
|
POP B
|
|
CC CPUER ;TEST "PUSH PSW" AND "POP PSW"
|
|
CNZ CPUER ;TEST "PUSH PSW" AND "POP PSW"
|
|
CPO CPUER ;TEST "PUSH PSW" AND "POP PSW"
|
|
CM CPUER ;TEST "PUSH PSW" AND "POP PSW"
|
|
MVI A,012H
|
|
CMP B
|
|
CNZ CPUER ;TEST "PUSH B" AND "POP B"
|
|
MVI A,034H
|
|
CMP C
|
|
CNZ CPUER ;TEST "PUSH B" AND "POP B"
|
|
MVI A,0AAH
|
|
CMP D
|
|
CNZ CPUER ;TEST "PUSH D" AND "POP D"
|
|
CMP E
|
|
CNZ CPUER ;TEST "PUSH D" AND "POP D"
|
|
MVI A,055H
|
|
CMP H
|
|
CNZ CPUER ;TEST "PUSH H" AND "POP H"
|
|
CMP L
|
|
CNZ CPUER ;TEST "PUSH H" AND "POP H"
|
|
LXI H,00000H
|
|
DAD SP
|
|
SHLD SAVSTK ;SAVE THE "OLD" STACK-POINTER!
|
|
LXI SP,TEMP4
|
|
DCX SP
|
|
DCX SP
|
|
INX SP
|
|
DCX SP
|
|
MVI A,055H
|
|
STA TEMP2
|
|
CMA
|
|
STA TEMP3
|
|
POP B
|
|
CMP B
|
|
CNZ CPUER ;TEST "LXI","DAD","INX",AND "DCX" SP
|
|
CMA
|
|
CMP C
|
|
CNZ CPUER ;TEST "LXI","DAD","INX", AND "DCX" SP
|
|
LXI H,TEMP4
|
|
SPHL
|
|
LXI H,07733H
|
|
DCX SP
|
|
DCX SP
|
|
XTHL
|
|
LDA TEMP3
|
|
CPI 077H
|
|
CNZ CPUER ;TEST "SPHL" AND "XTHL"
|
|
LDA TEMP2
|
|
CPI 033H
|
|
CNZ CPUER ;TEST "SPHL" AND "XTHL"
|
|
MVI A,055H
|
|
CMP L
|
|
CNZ CPUER ;TEST "SPHL" AND "XTHL"
|
|
CMA
|
|
CMP H
|
|
CNZ CPUER ;TEST "SPHL" AND "XTHL"
|
|
LHLD SAVSTK ;RESTORE THE "OLD" STACK-POINTER
|
|
SPHL
|
|
LXI H,CPUOK
|
|
PCHL ;TEST "PCHL"
|
|
;
|
|
;
|
|
;
|
|
CPUER: LXI H,NGCPU ;OUTPUT "CPU HAS FAILED ERROR EXIT=" TO CONSOLE
|
|
CALL MSG
|
|
XTHL
|
|
MOV A,H
|
|
CALL BYTEO ;SHOW ERROR EXIT ADDRESS HIGH BYTE
|
|
MOV A,L
|
|
CALL BYTEO ;SHOW ERROR EXIT ADDRESS LOW BYTE
|
|
JMP WBOOT ;EXIT TO CP/M WARM BOOT
|
|
;
|
|
;
|
|
;
|
|
CPUOK: LXI H,OKCPU ;OUTPUT "CPU IS OPERATIONAL" TO CONSOLE
|
|
CALL MSG
|
|
JMP WBOOT ;EXIT TO CP/M WARM BOOT
|
|
;
|
|
;
|
|
;
|
|
TEMPP: DW TEMP0 ;POINTER USED TO TEST "LHLD","SHLD",
|
|
; AND "LDAX" INSTRUCTIONS
|
|
;
|
|
TEMP0: DS 1 ;TEMPORARY STORAGE FOR CPU TEST MEMORY LOCATIONS
|
|
TEMP1: DS 1 ;TEMPORARY STORAGE FOR CPU TEST MEMORY LOCATIONS
|
|
TEMP2 DS 1 ;TEMPORARY STORAGE FOR CPU TEST MEMORY LOCATIONS
|
|
TEMP3: DS 1 ;TEMPORARY STORAGE FOR CPU TEST MEMORY LOCATIONS
|
|
TEMP4: DS 1 ;TEMPORARY STORAGE FOR CPU TEST MEMORY LOCATIONS
|
|
SAVSTK: DS 2 ;TEMPORARY STACK-POINTER STORAGE LOCATION
|
|
;
|
|
;
|
|
;
|
|
STACK EQU TEMPP+256 ;DE-BUG STACK POINTER STORAGE AREA
|
|
;
|
|
;
|
|
;
|
|
END
|
|
;
|
|
;
|
|
;
|