Posted By
crock on 2020-01-21 07:54:08
| Re: Plus 4 acting strangely
Actually, explicitly testing for the RAM/ROM banking operating correctly would be trivially easy to add to Diag264. Will add it to the ToDo list.
If it does turn out to be your TED, I would buy it off you as I intentionally keep a stock of partially failed chips to test with.
Rob
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