Sega Megadrive Music Driver: The Z80 Co-Processor

As mentioned in the introduction, the Sega Megadrive has a Z80 co-processor that serves two purposes: Backwards Compatibility Backwards compatibility with the Master System requires a Power Base Convertor, a fairly dumb adaptor that maps the pins of the smaller Master System cartridges to the Megadrive cartridge connector. The convertor is designed to fit on the Megadrive 1, though does work on…