Created
February 13, 2013 20:47
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6502 assembly first time. Need a way to loop the entire video memory region [$200,$05FF] only using 8-bit registers
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| LDY #$00 ;[$0200, $05ff] - video memory region | |
| LDX #$00 ;[#$00,#$0F] - possible color values | |
| shift_color: ;looping through the 16 possible colors | |
| INX | |
| CPX #$0F | |
| BNE paint | |
| LDX #$00 | |
| paint: | |
| TXA | |
| STA $0200,Y | |
| INY | |
| CPY #$FF | |
| BNE shift_color | |
| BRK |
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