View Single Post
Old 15th Apr 2021, 7:19 pm   #1675
SiriusHardware
Dekatron
 
Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 11,582
Default Re: Non-working Commodore PET 3016

Thanks for trying the 6520 swap. It was worth a shot.

Quote:
Re voltages on pins UC6/10 and UC6/17...
If you try the same thing with UC6 pin 11 / UC6 pin 16...

...After 0 is poked
...After 255 is poked

What sort of change do you see on those pins of UC6?
SiriusHardware is online now