[rescue] COCO2 question and looking for a few chips

Dave McGuire mcguire at neurotica.com
Wed Jul 8 22:22:26 CDT 2015


On 07/08/2015 11:20 PM, Jim Carpenter wrote:
>> So, I started a RetroTech meet at $WORK. This is mostly about repairing and
>> maintaining older tech. We worked some on a COCO2. First issue, the
>> character set seems to be coming from the wrong bank. When it's powered on,
>> the characters are the graphical set, instead of saying stuff like BASIC
>> etc, we see graphic sprites. So it looks like there is a bit that's off
>> (high bank of the ASCII set). I've reset the ROMS and VDG and I've also
>> cleaned and lubed the pins on those with deoxit cleaner and deoxit lube. It
>> didn't help, unfortunately.
> 
> Join the CoCo list: https://pairlist5.pair.net/mailman/listinfo/coco .
> It's very active.

  Oooh, I might have to join that as well!

  Are you the Jim Carpenter whom I met at VCF-E, chatting about IBM
mainframes?

                -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA


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