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@rp-jt
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@rp-jt rp-jt commented Nov 14, 2025

Hello!

I prepared this branch when I was working on giving support for this game in jtcores within the JTS18 core

The game starts but it collapses right after adding a coin and pressing start. I don't really know how to continue from this point, so I was wondering if maybe someone else could take a look and finish it, so this prototype can also be played with MAME

Thanks!

@mamehaze
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mamehaze commented Nov 14, 2025

this isn't the real prototype dump, this is hacked out of the modern re-release and if it's to be supported should be marked as such. I seem to recall reading the sound had to be completely redone for this release at least, as the game, as presented, wasn't complete.

Also these modern releases are subject to modern censorship requirements, so there are often code changes (to remove flashing screens and such)

@Robbbert
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The re-release happened in late 2021, for the Switch and PS4. The game roms (no sound) were ripped from one of these. It was released in HBMAME on 2022-09-26. The sound roms appeared later, and released in HBMAME on 2024-01-28, fully working. I don't know if the sounds are even the ones that came with the above releases, but they seem to fit the mood.

So, I do not understand why you're trying to re-engineer it all over again when the answer has been known for years. You are loading the sprite roms wrongly. You don't need any of those hacks in the code. You are missing the dip switches.

This was never in any arcade, and might not be eligible for inclusion, although that's up to the devs to decide.

IMO you need to close this and go back to the drawing board and start over.

@mamehaze
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mamehaze commented Nov 14, 2025 via email

@Hammy1986
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It's a hack of an extracted hack, done several years ago now. it was extracted and we restored what we could to get it running on hardware. The sound sample conversions were done by apocalypse. There's not a "clean" program rom around sadly, unless you want to ask Steve snake for it, you will also find his watermarks inside these roms ;)

@mamehaze
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mamehaze commented Nov 15, 2025 via email

@Hammy1986
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The "hard work" to get it running with hacked MP3's was "hacking the shit out of the original"
We actually were "restoring" the rom to how it was originally as best as possible so it run on hardware but it's far from perfect.

IIRC this version does not have the "fixed" title screen:
https://www.youtube.com/watch?v=KkMnCFBUM5s

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4 participants