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CGA/RGBI to analog for the Commodore 128
05 Mar | 14This is part 1 in a series. Check out Part 2: Using KiCAD and Part 3: Milling the PCB . When I got my Commodore 128 I was expecting I would just connect the RGBI TTL output to the GBS-8200 knockoff that I have been using with the BBC Micro’s RGB TTL output. Of course the moment I went to do that I realized that I had an extra pin for Intensity with no place to connect it. I found several circuits online that were supposed to convert the 4 bit TTL output to an analog...
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