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