Mul16By4.hdl

CHIP Mul16By4{
    IN a[16], b[4];
    OUT out[16], aShiftBy4[16];

    PARTS:

    Mul16By2(a = a, b = b[0..1], aShiftBy2 = aShiftBy2, out = part0);
    Mul16By2(a = aShiftBy2, b = b[2..3], aShiftBy2 = aShiftBy4, out = part1);

    Add16(a = part0, b = part1, out = out);
}