Quote:
Originally Posted by robinsonb5
I don't know how you handle the output pins on your microcontroller, but if they're driven high / low (as opposed to high-z/low) don't connect it to a C64 - you run the risk of damaging it. (Pins on the joyport are shared with the keyboard matrix, so if the µC drives pins high, there's a risk of bus contention.)
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Yeah that's what I suspected so I decided not to go any further until I purchased a C64 myself for testing.