How to Fill in the Gaps of Mame 0.78?
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Here is a great example. Virtual Cop plays OK in most cores. Not great, but can get it to load. I have only ever found one version of it (meaning I don't think I'm missing a clone or parent rom). The copyright screen says something to the effect of "This game is intended for use in Japan markets only..." And the text is in Japanese in the game.
Seems pretty clear cut this is not a dip switch issue, but rather a release issue. Seems strange that no US version of Virtual Cop is available. Unless, I'm missing something? I'm always willing to learn. Has anyone seen a US version floating around in another set?
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@alphabetapie most of the dat files for the supported MAME emulators in retropie are available in the docs: https://retropie.org.uk/docs/MAME/
so from there you can see how many versions of a given game there are. on latest mame i can see 2 versions of vcop and vcopa (revision A). these don't seem to be language designations.
doing some research: http://adb.arcadeitalia.net/dettaglio_mame.php?game_name=vcop
0.155: Changed 'Virtua Cop (Revision A)' from a parent set to clone.
so it might be that rev a was the japanese version and from 0.155 the parent is USA language, or it could be a system menu thing. but without logs or any kind of diagnostic info we're just guessing.
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