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1995-03-30
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722b
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46 lines
*= $1000
SEI
LDA #<START
STA $0314
LDA #>START
STA $0315
LDA #$00
STA SELFMOD+1
LDA $DC0D
AND #$7F
ORA #$01
STA $DC0D
LDA #$2E
STA $D012
LDA $D011
AND #$7F
STA $D011
LDA #$01
STA $D01A
CLI
JMP *
START INC $D019
SELFMOD LDX #$00
AGAIN LDA $D012
LDY #$02
RZA1 DEY
BNE RZA1
WAIT CMP $D012
BEQ WAIT
AND #$07
ADC #$18
STA $D011
DEX
BNE AGAIN
LDA SELFMOD+1
CMP #$01
BEQ IRQEND
DEC SELFMOD+1
IRQEND JMP $EA31