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Yeah, that would make sense. I'll have to check my diagnostics. From what I recall reading up on, the limited edition was supposed to be an easier ROM set for the upright units. Which might explain the vibration setting. I'm glad my saga was helpful to solve the problem for another owner!

Looks in real good shape. I would agree with the $3k-5k range cleaned up. I bought a restored super hang on ride on for 3k, and these are less common. This looks in pretty good shape to be honest. Even if it wasn't functional you could probably still ask for a bit over 1k as-is assuming no major...

Sadly very fragile too. Ask me how I know

It definitely is worth it, just a location issue for me. GLWTS!

I'd take it for parts, but I am also local and could offer my PCB to anyone looking to restore it. This cabinet is in good enough shape to not part out.

You might be able to snag this one. Shipping is brutal though: https://yatonarcade.com/products/sega-blast-city-jamma-board-door-free-shipping?_pos=33&_sid=718a6d704&_ss=r

Huh, that's interesting...im glad it was a no cost fix! I'll keep that in mind on my Williams machine should I ever encounter it. Thanks for sharing.

I'm having a hard time following, but if I'm understanding correctly - It should be easy to go from 1 -> 2, and from 3 -> 4. The crossing over from 2 -> 3 could potentially be described as "clunky" I suppose if that helps?

Wow, that's a steal in that shape. Wrong side of the country for me though. GLWTS,

Yep!

Well - for anyone wondering. Problem solved. Game is much more playable. May not be on the OG rom set, but good enough for now.

Still on the hunt

Interesting - so all the information I would need is already available. Just someone to do it...I learned MIPS assembly back in college 🙃 though I'm not sure I'm ready to pick up the job. It would be interesting to do though...I'll have to learn more about debugging MAME I suppose if I want to...

Oh - Even for an FD1089B? So basically what's available would let me reprogram that CPU if I replaced the battery, and built this arduino tool to reprogram the decryption key, but in terms of getting the roms dumped in a decrypted state - it wouldn't help with that bit. Am I following that...

Yeah, I hadn't tested that board unfortunately and it's been sitting for years since I bought it off of a guy about 5 years ago now. I think it'd only work if I knew the key before hand. I did read someone mentioning the key could be brute forced...

@parism Unfortunately it keeps the harder layout which is what I suspected. I need to find a way to run the older roms with the older sub-cpu I suspect. I'm going to attempt testing the rest of the MAME versions to see if anything else matches shangon1 which I'm claiming is the likely desired...

Yeah, I will - I'm busy erasing the other eproms before I can check. The issue is even if this version is easier, if the road signs are messed up it's debatable on if it's actually easier. So I'll test and get back later today hopefully.

Does this keep the more forgiving road layout though? I will test later today to confirm, but I don't think it's super realistic to pivot back and forth as much as the standard game requires on the mini ride on.

I kinda suspect the same thing which is why I was trying to figure out how to get the original shangon1 roms decrypted to put on the board, but I haven't had time to do more digging just yet. I also can't find a ton of documentation over how and which roms you use to patch free play to know...

Yeah, back on post 7 I listed the EPR numbers along with the individual checksums on the sub-cpu chips. Both of the boards I have are using the earlier version 10638-10640