The largest portion of the game, storing sprite and background tile data. These can total up to 4MB or more in later titles. M-ROM (Music):
In the early days of emulation, Neo Geo graphics (C ROMs) were "interleaved." Modern standards (like those used in DarkSoft SD cards or modern emulators) often require graphics.
Because Neo Geo hardware is complex, choosing the right emulator is vital for performance and accuracy.