In case you really want to go with connecting to U9 please keep in mind that the same signals are connected to different pins on C128(D) and C128DCR. I remembered that I had stumbled on a mistake in ...
We started referring to the C128 as 9 pounds of poop in a 5 pound bag, we couldn’t quite get 10 pounds to fit. We also joked about turning out the lights on our way out the door as we knew that ...
This is a 1:1 replica of the PCB for the Commodore C128 Diagnostic Test cartridge assy no. 325093-01. See my blog post for more details.
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