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Retropie on raspbian bios files

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Duhjoker:
 I'm building a multi Pi set up for media games browsing and so on. I want to add my whole games library but I need to ask a couple questions first.

When I got done installing each emulator I got messages about the bios. Do all the bios files go into the one bios folder? Why didn't it tell me I needed the mame bios files.

Duhjoker:
HELLO Hello hello, is there any body out there? Seriously? I could use a lil help.

MacGyver:
The answer is not a simple one.  The bios files can sometimes go in their own zip file, and sometimes in with the parent roms in their zip file. 

These are all the bios names that belong in their own .zip file in the roms folder.

--- Quote ---acpsx
ar_bios
atpsx
atluspsx
konamigv
crysbios
decocass
hng64
maxaflex
megaplay
megatech
macsbios
neogeo
nss
pgm
playch10
psarc95
stvbios
skns
konamigx
taitofx1
taitogn
tps
cpzn1
cpzn2

--- End quote ---

Each of those may have 1 or more bios "rom" file in them, but those roms may work from within the parents zip too depending on which version of mame you are using.  They may even demand it.
Rom files tend to be small, so if they aren't working from their own zip file in the rom folder, copy the files inside them out to a temp location and bundle them with their parent game roms in that game rom zip file.  It won't hurt anything having them in both places and you will only lose a little space.

Duhjoker:
Thank you. The mame4all is what comes with the download

Hopefully I can get it going but right now I'm getting

Bash emulationstation no such command

Is that normal with out games and bios?

MacGyver:
It's the only way for them to distribute it legally.

Those bios files (and the rom dumps) are still the property of some company somewhere.  Sure they might not ever sell another copy, but it still theirs to not sell to anyone if they want.

If MAME or RetroPie bundles roms with their stuff that they don't own or get the permission from the copyright holder for, they immediately become a target for litigation from the rightful owner.

Remember this when it comes time to sell anything.  You can sell anything you want, but if it has roms in it, and you don't own them, and the person you sell it to decides to tell, you can have your ass sued off.

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