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Neo Geo AES roms


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As far as I know of that bios line only affects the NeoGeo games. It normally is blank and that is the only use I have ever found for it, though of course there probably is some other use for it but I have never run into it.

I'm not sure where Mame saves the per game bios settings (region and MVS/AVS) but I do know you can (and possibly have to) set it up per game.

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1 hour ago, Lordmonkus said:

You can use either.

If you want to use Mame look in your mame.ini file for the line


change it so it says:

bios                      unibios33

If you don't have unibios33 change it to unibios3


1 hour ago, Lordmonkus said:

not at all


It seems I need to clone my Mame because I have the ROMs cloned and I have 2 different systems: AES and MVS. I can't figure how-to use only 1 Mame to do that.

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I found the solution to use only one Mame for the AES and MVS mode if you have organized them in LB in 2 different systems.

Add a line for your AES system in the emulator config window and pass additional parameters (see the uploaded image). The Unibios settings are keep in the Mame nvram directory. Create another nvram directory in Mame for the AES system only and open each game. It will create a new nvram for each game. It's possible to copy a nvram from a game and replace the nvram of the other games.



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  • 2 years later...

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