Spent two afternoons on this little schematic. I’m still not even close to finishing it yet.
I copied a few OpenHardware schematics and tweaked them a bit so it would work on mine if I should ever build this. There are some parts I would love to use such as the TIL311 but they are expensive but there are a few modern alternatives that should work just fine. I still need to include some major parts such as the ROM and a few other things.