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Old 12th Mar 2021, 11:24 am   #956
SiriusHardware
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Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 11,575
Default Re: Non-working Commodore PET 3016

Is there a disassembly of the UD9 ROM that anyone knows of? It would be useful to know what the CPU should be trying to do and in what order. (I'm assuming that's where the CPU goes to when it comes out of reset - could be wrong of course).
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