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Anyone that wants to know the full story I made the video I was also part of obtaining permission and I was there when they were removed, I got 4 myself.. I'm happy to tell the full story to put to bed some of the rumours.. Looks to be a bit of jealously ffrom 1 or 2 unfortunately.. The main thing is some were saved❤️

Some people that know me know I did the most recent vid of the abandoned arcade... Well here is still still pics of most of the machines that were in there... I missed a couple.

What a bloomin shame about those roms and boards hopefully the person who took them might send you at least the roms. Did those parts disappear after the Rampage YT video (approx 2 weeks ago) or your own (approx 8 days ago) or do you think they were removed before that? Were the Cash or Nudge roms removed obvs Redrose has what looks like a working Cash or Nudge on his floor so maybe he could get those roms uploaded if yours are missing? (Just spotted Dave did a DX of C or N back in 21) so the roms shouldnt be a problem)

Thankfully cash and nudge is complete with roms🙏

Aup mate I got fruit bonus, sadly the board and cart were missing and it's not emulated but a member was willing to take it in the hope they turn up, a old mmm tech maygay called cash or nudge.. That is going to a collector, a mpu 3 called spot cash that sadly again had the boars and roms taken and isnt emulated, plus the cab was terrible so has been stripped, I've kept the glasses and reels and loom in a hope the roms turn up.. I also got ace pound for pound for a close friend of mine that collects ace machines.. Its in a bad way plus the top glass is cracked but he happy just to own it.. I would add pics if I could figure it out lol

Hi all, Currently I am digging into the schematics of the JPM SYS80 CPU board. I do have quite some experience in 70's , 80's microprocessors, concepts , memory mapping, bank switching but the TMS9980 is new to me. Looking at the SYS80 memory decoding I cant get my head around how it works (can be the age as well 😉). This is a memory map I found of the SYS80 CPU boards (the 14K is not in it but I can guess that one). So the 16K addressing space makes sense here : Looking at the schematics of the 6K , 8K, 12K memory decoding I see the use of a few 74LS138's. Here the 6K, 8K and 12K memory decoding logic. So far so good but what I don't understand, for instance with the 6K board (but same question for other boards) is how you can decode the 2nd EPROM , on address $0400 , which is from A13-A0 -> XX00 0000 0100 0000 by just using BA0 to BA3 which are the lowest 16 addresses ?? Anyone who knows this and is willing to explain ? Kind regards, Bram