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Asraelite 2023-10-30 16:41:48 +01:00
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programs/v8/test Normal file
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LDB #$F0
JNC bankNoCarry
NOT B
bankNoCarry:
LDA $00
AND B,A
OR D,A
STA $00
RET
; Memory copy: A=start, B=offset, length=C, destroys D
copyLoop:
LDD $00,A
ADC B,A
STD $00,A
DEC C
JNZ copyLoop
RET
; Memory copy to screen: A=start, destroys C, D, screen address register
LDD #$80
LDC D
STD $03
screenCopyLoop:
LDD $00,A
STD $02
DEC C
JNZ screenCopyLoop
RET