The MAME 2014 reference set corresponds to MAME version (released 2014). It’s a curated snapshot used for preserving and emulating arcade software as it existed for that MAME release. The set typically includes ROM images and optional CHD (Compressed Hunks of Data) files for large media (CDs, hard-drive games).
: Specialized audio files for older games that used analog sound hardware which cannot be perfectly emulated from the ROM chips alone. File Structure and Setup mame 2014 reference set mame 0159 roms chds top
: Sound files for older arcade games that used analog audio circuitry that MAME cannot perfectly emulate via code alone. Setup and Management The MAME 2014 reference set corresponds to MAME