// Displays 256 hearts at the top of the Commodore 64's screen. // Define where the screen starts in memory: byte table[256] screen @ 1024 define main routine // These are the values that will be written to by this routine: trashes a, x, z, n, screen { ld x, 0 ld a, 83 // 83 = screen code for heart repeat { st a, screen + x inc x } until z // this flag will be set when x wraps around from 255 to 0 }