Chd Files For Mame Jun 2026

chdman createcd -i "game.cue" -o "game.chd"

MAME automatically looks for a subfolder matching the ROM name.

This is rare. Usually you start from an existing disk image.

You need – the official CHD manipulation tool. It’s included with MAME (in the same folder as mame.exe ). chd files for mame

If you have an old CHD (v3 or v4) and want v5:

Here’s a to working with CHD files (Compressed Hunks of Data) for MAME. It covers what CHDs are, why they’re used, how to create, verify, and use them, plus troubleshooting and best practices.

Before asking for help, check these four things: chdman createcd -i "game

This preserves data and upgrades to latest CHD version (if your chdman is modern).

Place the .chd file in the appropriate folder inside your MAME ROMs directory.

Example with dd :

MAME cannot find the CHD. Fix:

roms/psx/ (system BIOS) software/psx/ (software list folder) game.chd (CHD file)