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Okay. Big old image heavy thread. There will be no alt text, because alt text that accurately describes schematic diagrams would get real repetitive repetitive real real fast fast. Sorry.
Schematic review, a section at a time. Let's start with the CPU. The W65C265S, clocked at 8MHz. I doubt I got anything wrong here. Capacitors are 1%, 0402 SMDs unless otherwise noted. The CPU for this revision is a PLCC84 (SMD socket) because I have a tube full of the things on my desk.
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