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emu6502/bins/05.asm
2019-04-27 21:13:15 +02:00

17 lines
238 B
NASM

; color loop with the stack
LDX #$00
LDY #$00
firstloop:
TXA
STA $0200,Y
PHA
INX
INY
CPY #$10
BNE firstloop ;loop until Y is $10
secondloop:
PLA
STA $0200,Y
INY
CPY #$20 ;loop until Y is $20
BNE secondloop