Psx Highly Compressed Roms ((exclusive)) -

Standard ZIP or RAR files don't work well for PSX games because they are designed for general data. PSX games contain a mix of audio tracks (Red Book CD audio) and data tracks. Specialized compression targets three specific elements:

For most users, CHD is the modern standard , but PBP is better for multi-disc RPGs on mobile devices. Psx Highly Compressed Roms

CHD files are read-only; save states are tied to the CRC of the file. If you rename the file, states break. Fix: Never rename compressed ROMs after starting a game. Standard ZIP or RAR files don't work well