New 65C02 card

A project log for HBC-56: 65C02 + TMS9918A on a backplane

HBC-56 A homebrew 8-bit computer with a backplane. Initially with a 65C02 CPU card, a TMS9918A VDP and dual AY-3-8910 audio.

troy-schrapelTroy Schrapel 05/17/2022 at 01:430 Comments

My new 65C02 CPU card. Thanks to  @PCBWay Official who has provided me with a handful of custom PCBs to replace my old hand-wired cards.

I have captured the trials and tribulations of converting the old hand-wired card to a custom PCB in the following video: 

As always, schematics and code are in my GitHub repository.