How to use logic circuits to implement this? The game wack a mole.

whack check / score adjustment scor 4-bit adder > limit logic lim (extra credit) mole logic 4-bit register display logic Whack Initialize Enable Reset Register Value Decimal Score user interface whack check / score adjustment scor 4-bit adder > limit logic lim (extra credit) mole logic 4-bit register display logic Whack Initialize Enable Reset Register Value Decimal Score user interface