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Old 18th Feb 2021, 5:36 pm   #599
ScottishColin
Octode
 
Join Date: May 2012
Location: Perth, Scotland
Posts: 1,816
Default Re: Non-working Commodore PET 3016

Nope. With all ROMs inserted, the only way I get a clean pin 9 reading on my scope is with pins 30, 31 and 32 removed from the 6502 socket.

Colin.

Quote:
Originally Posted by SiriusHardware View Post
OK. With the new UD7 in place and everything else as it should be, do you get continuous activity on A0? (6502 pin 9).
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