Tijl Coosemans wrote: > I got ye beaten ;P Who does better? Well, if you don't mind wasting memory... Let 'mul12table' be a 256-byte aligned table containing x * 12 for x = 0..63 ld h, mul12table >> 8 add a, a ld l, a ld a, (hl) inc l ld h, (hl) ld l, a