DrAM19's latest activity

I know of a project. It's the Victor, being developed by Vicenary. This is his youtube: https://www.youtube.com/@vicenary

Hi Everyone, I recently picked up an VIC-20 to repair, and fixed all the minor issues on it. The big issue for it was that the 6560 was...

Wonderful news and congratulations! I'm really glad to see that it's working. The screen looks just like mine; so I'd say you're at...

Possibly fixed. I finally managed to find my original Kernal ROM, so I was able to revert it back to the 8501 CPU. Whoever programed...

Very cool. The data lines look like normal activity. The lower address lines seem alright up through A6. A7 and A8 look like they're...

The Osborne showed 52 columns (without the 80 column card), but it was a moving window on a hardware virtual 128x32 screen, so 80 column...

Not going to have an 80 column display on a TV. The TED chip was perfect for Videotex which had been one of the planned uses for a...

Just a few excerpts from Bagnall: Not going to type the direct quote here, but on P305 Bob Russell talk about how Commodore almost...

Most Commodore stuff is old news. I just figured its a good video and does answer alank2's question.

Good troubleshooting so far. You'll find the answer before you know it. And no worries about a delayed reply. We all have to attend to...

What tests have you done (like voltage, clock, reset), and what did you see? Without more information: The the next thing I would check...

Hi DistantStar001. That's not a screen I've ever seen on my TED machines. That this occurs if the CPU is removed means you should look...

>>> Omg, you're right. I don't have a 12V rail at the RAM chips. Rooky mistake - check the power supply rails first :)! Sorry, I...

I think Adrian's Digital Basement and 8-bit Guy both did PET troubleshooting videos. That's probably a good place to start.