143 lines
2.8 KiB
NASM
143 lines
2.8 KiB
NASM
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* *
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* RAMTEST: *
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* *
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* BY WOZ *
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* 6/77 *
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* *
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* COPYRIGHT 1987 BY: *
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* APPLE COMPUTER INC *
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* *
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***************************
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*
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* EQUATES
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*
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DATA EQU $0 TEST DATA $00 OR $FF
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NDATA EQU $1 INVERSE TEST DATA.
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TESTD EQU $2 GALLOP DATA.
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R3L EQU $6 AUX ADR POINTER.
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R3H EQU $7
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R4L EQU $8 AUX ADR POINTER.
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R4H EQU $9
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R5L EQU $A AUX ADR POINTER.
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R5H EQU $B
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R6L EQU $C GALLOP BIT MASK.
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R6H EQU $D ($0001 TO 2^N)
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YSAV EQU $34 MONITOR SCAN INDEX.
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A1H EQU $3D BEGIN TEST BLOCK ADR.
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A2L EQU $3E LEN (PAGES) FROM MON.
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SETCTLY EQU $D5B0 ;SET UP CNTRL-Y LOCATION
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PRBYTE EQU $FDDA BYTE PRINT SUBR.
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COUT EQU $FDED CHAR OUT SUBR.
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PRERR EQU $FF2D PRINTS 'ERR-BELL'
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BELL EQU $FF3A
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*
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* RAMTEST:
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*
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ORG $D5BC
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OBJ $A5BC
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SETUP LDA #$C3
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LDY #$D5
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JMP SETCTLY
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RAMTST LDA #$0
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JSR TEST
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LDA #$FF
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JSR TEST
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JMP BELL
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TEST STA DATA
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EOR #$FF
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STA NDATA
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LDA A1H
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STA R3H
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STA R4H
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STA R5H
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LDY #$0
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STY R3L
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STY R4L
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STY R5L
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LDX A2L
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LDA DATA
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TEST01 STA (R4L),Y
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INY
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BNE TEST01
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INC R4H
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DEX
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BNE TEST01
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LDX A2L
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TEST02 LDA (R3L),Y
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CMP DATA
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BEQ TEST03
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PHA
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LDA R3H
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JSR PRBYTE
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TYA
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JSR PRBYSP
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LDA DATA
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JSR PRBYSP
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PLA
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JSR $D692 !!! Diverges - PRBYCR in listing. d692 is right after listing
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TEST03 INY
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BNE TEST02
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INC R3H
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DEX
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BNE TEST02
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LDX A2L
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TEST04 LDA NDATA
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STA (R5L),Y
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STY R6H
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STY R6L
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INC R6L
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TEST05 LDA NDATA
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JSR TEST6
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LDA DATA
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JSR TEST6
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ASL R6L
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ROL R6H
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LDA R6H
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CMP A2L
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BCC TEST05
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LDA DATA
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STA (R5L),Y
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INC R5L
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BNE TEST04
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INC R5H
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DEX
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BNE TEST04
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RTS1 RTS
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TEST6 STA TESTD
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LDA R5L
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EOR R6L
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STA R4L
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LDA R5H
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EOR R6H
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STA R4H
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LDA TESTD
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STA (R4L),Y
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LDA (R5L),Y
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CMP NDATA
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BEQ RTS1
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PHA
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LDA R5H
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JSR PRBYTE
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LDA R5L
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JSR PRBYSP
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LDA NDATA
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STA (R5L),Y
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JSR PRBYSP
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PLA
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JMP $02CB --- diverges. JSR PRBYSP in listing
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LDA R4H
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JSR PRBYTE
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LDA R4L
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JSR PRBYSP
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LDA TESTD
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PRBYCR JSR PRBYSP
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JSR PRERR
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LDA #$8D
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JMP COUT
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PRBYSP JSR PRBYTE
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LDA #$A0
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JMP COUT
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