Here's more of my stupid non-working source code. At least I'm keeping you guys sharp. Enter: ld a,(CUR_POS) or a jr z,ColZero ld h,4 ld l,a call MUL_HL add hl,(ARRAY) ld b,3 jr Loop2 ColZero: ld hl,(ARRAY) ld b,3 Loop2: -Gray