FLIP-8: Think-a-Dot edition

This is a version of Joseph Weisbeckers game Think-a-Dot (1965) aka. Flip (1974) implemented in Weisbeckers own CHIP-8 language for the COSMAC VIP computer (1977) he designed while at RCA. HOW TO PLAY Read the manual for Think-a-Dot here. Press 1, 2 or 3 to drop a marble into the respective hole. The marble will move through the flip-flops, moving either left or right at each one depending on its state, flipping the ones it hits before popping out on the bottom. Play around with it on the title screen to get a feel for how it works, or make up your own game around its rules. You can always pre...