So im not super techy....i didn't understand a word you just said
You mentioned that Maximus couldn't find these two titles:
- Simpsons 2 player
- Xmen vs Street Fighter
Both of these titles are what are known as "child ROMs" of a "parent ROM".
The parent ROM is the master version and has all the ROM files for that game.
- "The Simpsons (4 Players World, set 1)" => simpsons.zip
- "X-Men Vs. Street Fighter (Euro 961004)" => xmvsf.zip
The child ROM only has the ROMs that are different than the ones in the parent.
- "The Simpsons (2 Players World, set 1)" => "simpsons2p.zip
- "X-Men Vs. Street Fighter (USA 961023)" => xmvsfu.zip
simpsons.zip contains these files
simpsons.12c.nv
072-d04.1d
072-d05.1f
072-b08.3n
072-e03.6g
072-b09.8n
072-b10.12n
072-j13.13c
072-j12.15c
072-g02.16c
072-b06.16h
072-b11.16l
072-g01.17c
072-b07.18h
simpsons2p.zip contains these files
simpsons2p.12c.nv
072-g03.6g
072-013.13c
072-012.15c
072-p01.17c
When Maximus/MAME checks if "The Simpsons (2 Players World, set 1)" is playable, it looks in simpsons2p.zip for the ROM files.
- When it doesn't find files like "072-d04.1d", it looks for them in the parent simpsons.zip.
- Since you don't have simpsons.zip in your ROM directory, Maximus/MAME concludes that the game is not playable because ROMs are missing.
Here are two ways to work around this:
1. Easy way
- Put simpsons.zip, simpsons2p.zip, xmvsf.zip, and xmvsfu.zip in the ROMs folder.
- When you rescan, this will add "The Simpsons (2 Players World, set 1)", "The Simpsons (4 Players World, set 1)", "X-Men Vs. Street Fighter (USA 961023)", and "X-Men Vs. Street Fighter (Euro 961004)" to the list.
2. Harder way if you don't want "The Simpsons (4 Players World, set 1)" and "X-Men Vs. Street Fighter (Euro 961004)" on the list.
- Copy the files from the parent ROMs (simpsons.zip and xmvsf.zip) into the child ROMs. (simpsons2p.zip and xmvsfu.zip)
- When you rescan, this will add "The Simpsons (2 Players World, set 1)" and "X-Men Vs. Street Fighter (USA 961023)" to the list.
Scott