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Post
L Break Into Program
breakintoprogram.co.uk
did:plc:ulsrokhbdwzathvrvahn76e2
Just knowing what the voltages and traces should be on an ideal C64 is a gamechanger. It was the first time I'd fixed one, and it helped me isolate the issue pretty quickly. I also use a TL866ii+ EPROM programmer to test logic chips and the PLA, and a cheap RAM tester for the RAM chips.
http://www.breakintoprogram.co.uk/hardware/fixing-a-poorly-commodore-64-part-3
2025-05-13T11:55:29.249Z