Yeah, that was a bit of a battle in the end, but thank you so much for documenting your efforts - It really helps a novice like myself to understand the thought process and indeed how to use the myriad tools that are available - it can actually be a little overwhelming! Thank you, once again.
I bought a PET along with a huge dual floppy drive and a massive commodore printer from a Library sale back in the 90s. They used it until 1995 for their office if you can believe that. I paid $20 for it. It was still working. I sold it a couple of years later to a guy in Canada for $100. That printer was HEAVY.
Also… anytime a TTL has a floating output… check the Vcc for +5V. If it's low chances are there's a cold solder joint on it. If it's good then check the ground: if it's not zero then again it's probably a cold solder joint on that pin.
There's no reason to carefully desolder a part that you aren't going to keep; just clip off all the leads and desolder them one by one. Plus the first thing I do with "vintage" boards is check all the electrolytic capacitors. [How did the DRAM work with only 7 bits?!?]
I wish I actually had a 6502 machine, so I could much around with the Romulator!! Great tool man!
Yeah, that was a bit of a battle in the end, but thank you so much for documenting your efforts - It really helps a novice like myself to understand the thought process and indeed how to use the myriad tools that are available - it can actually be a little overwhelming!
Thank you, once again.
I'm saving this to watch in full later, but for now I'm just wondering what the music is!
I bought a PET along with a huge dual floppy drive and a massive commodore printer from a Library sale back in the 90s. They used it until 1995 for their office if you can believe that. I paid $20 for it. It was still working. I sold it a couple of years later to a guy in Canada for $100. That printer was HEAVY.
Also… anytime a TTL has a floating output… check the Vcc for +5V. If it's low chances are there's a cold solder joint on it. If it's good then check the ground: if it's not zero then again it's probably a cold solder joint on that pin.
Excellent video and work!
Can't wait for the 2nd part. I definitely subscribed. *Adrian's* *Digital* *Basement* brought me here. That beach looks a bit familiar.
There's no reason to carefully desolder a part that you aren't going to keep; just clip off all the leads and desolder them one by one.
Plus the first thing I do with "vintage" boards is check all the electrolytic capacitors.
[How did the DRAM work with only 7 bits?!?]
I like that you use a soldering iron as a pointing device. Just make sure it's cooled, don't want to set the schematics on fire!
Thanks, I'm glad you appreciated that small attempt at humor. Keep the schematics safe!
Oh.. would love to see this on a c-64. Looks cool man…
Experimental 6510 version is in the works!
@@bitfixer6502 looking forward to it