instructions a b -- a*b MUL -> Pushes a * b (byte) to the stack MULw -> Pushes a * b (word) to the stack MULx -> Pushes a * x (byte) to the stack MULxw -> Pushes a * xw (word) to the stack MULy -> Pushes a * y (byte) to the stack MULyw -> Pushes a * yw (word) to the stack MULxy -> Pushes x * y (byte) to the stack MULxyw -> Pushes xw * yw (word) to the stack