A "Neo Geo ROM" isn't just a single file. Every game is a bundle of specialized chips, each handling a specific job: P-ROM (Program):
Unlike the AES (Advanced Entertainment System) home console, which used physically different (though electronically similar) cartridges, the MVS was built for the rugged environment of the arcade. Because the hardware was virtually identical, MVS ROMs provide an authentic, arcade-perfect experience that was often missing from 16-bit home ports on the SNES or Genesis. Why the Neo Geo MVS is Legendary neo geo mvs roms