Recent content by Sailcat

Here's the link: https://www.micromac.com/instructions/CC_Video_upgrade/index.html

Ah, alright I found this page and I'm on the right track in jumping between 20 and 3 but I need a 4.7 K½ resistor. So parts are ordered and I'll report if it works.

Hello everyone! I haven't found very much documentation or discussion for that matter on how to perform the Mystic upgrade with Rev. D analog board other than this thread discussing the 640x480 VGA mod. The issue being that there's no diode at J78 and J79 which I can isolate pin 20. instead I've...