{"id":90,"date":"2026-10-22T19:23:32","date_gmt":"2026-10-22T19:23:32","guid":{"rendered":"https:\/\/bugzyard.com\/?page_id=90"},"modified":"2026-10-22T19:23:32","modified_gmt":"2026-10-22T19:23:32","slug":"keypad-memory","status":"publish","type":"page","link":"https:\/\/bugzyard.com\/?page_id=90","title":{"rendered":"Keypad Memory (Simon)"},"content":{"rendered":"

Keypad Memory (Simon) is a ready-made Basys 3 FPGA game written in Verilog. It uses PmodKYPD 4x4 keypad, speaker, VGA. Play it free right in your browser - nothing to install, no FPGA board needed.<\/p>

Play now ▸<\/a><\/p>

How to play<\/h2>

Watch the tiles light up, then type the same sequence on the keypad (numeric keypad keys, or click the keypad card). One more step every round. btnC starts, sw0 = slower. A speaker on JB1 plays a note for each tile (sw15 = silent).<\/p>

What it uses<\/h2>

Verilog \u00b7 PmodKYPD 4x4 keypad, speaker, VGA<\/p>

The code: download the Verilog project (.zip)<\/a> — read it, change it, and run your version with the free PC program.<\/p><\/div><\/div>

More games like this<\/h2>
\"\"Keypad Whack-a-Mole<\/span><\/a>\"\"Math Sprint (keypad)<\/span><\/a>\"\"Bang Bang Tank (Tank 1990)<\/span><\/a>\"\"Guitar Hero<\/span><\/a><\/div>