As one of the more iconic bugs in gaming history, reaching level 256 in the Pac-Man arcade game would cause half of the screen to be rendered in a jumbled mess. The left of the screen would appear ...
[Glen] built a utility that would scrape a disassembled version of the original Pac Man Z80 code, look up the equivalent 6809 ... debugging much easier. Level 256 as seen in [Glen]’s port.