Mame 0.78 Bios Guide
If you are setting up an emulation system based on the MAME 0.78 core, there are several key BIOS files you will likely need if you are not using a Non-Merged set. These files are usually placed in the same folder as the game ROMs. Common filenames (often case-sensitive) include:
Need help identifying a specific game’s BIOS requirement? Check the MAME 0.78 driver source or use the mame -listxml command. mame 0.78 bios
Example structure: