Larger game sets that require both a ROM file and a CHD (Compressed Hunks of Data) disk image to run.
Flycast is built to be compatible with . Currently, the recommended standard for compatibility is the MAME 0.235 romset. Using ROMs from older or newer sets may result in the emulator failing to recognize the game due to mismatched file hashes or naming conventions. sega naomi roms archive upd
