1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
; Simple example C64 code ; cpu 6502 option codepage,cbm option output-file,prg.prg option output-format,prg option prg-start,start org $820 main: lda #0 clc loop: sta 53280 adc #1 and #$0f jmp loop start: jmp main