MC6800 computer

Retro computer using the basic M6800 chip set - MC6800, MCM6810, MC6821, MC6850, powered and communicating with PC via USB cable.

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First runs
04/23/2022 at 08:11 • 0 comments

Originally the board was designed to use 28C256 EEPROM. When I realized the chips I have don't work, I added 2732 EPROM support as an alternative.
System controller firmware and M6800 hardware operation verified with a simple demo program running on MC6800. Now working on some more robust demo, maybe a tiny monitor firmware for loading and executing small programs from RAM.