Digit Invader is the built-in game on Casio MG-880. This is a partial remake on EGO1 FPGA development board.
User Input: 4 bit by slide switch for the input number. 1 push-button for Fire. 1 push-button for display test.
Seven-segment display runs at 400Hz. Main control and button debounce runs at 2kHz. LFSR (Linear-feedback shift register) pseudo-random number generator runs at 100MHz, and takes user input as random source.
Development Board: EDK-A7-EGO1 from E-Elements
Game
Score display
- Numbers in sequence may change or disappear