Mame 2003 Reference Set - Mame 0.078 Roms- Chds...

Because the 0.078 specification is frozen, your ROM set will never "break" due to an emulator update. Once configured, it works forever. Understanding ROMs vs. CHDs

For games requiring a CHD, ensure the .chd file is placed inside a folder named exactly like the parent ROM zip. For example: roms/arcade/ki.zip must have its accompanying CHD placed at roms/arcade/ki/kinst.chd . MAME 2003 Reference Set - MAME 0.078 ROMs- CHDs...