chdman extractfloppy -i game.chd -o output.img The output will be raw, uncompressd disk image. Check if a CHD is valid and see its metadata:
| Version | MAME version introduced | Notes | |---------|------------------------|-------| | v1 | Early MAME | Obsolete, don’t use | | v2 | ~0.120 | Still seen, but old | | v3 | ~0.125 | Added FLAC support | | v4 | ~0.136 | Improved compression | | v5 | ~0.162 | Current standard | chd files for mame
roms/kinst.zip roms/kinst/kinst.chd MAME automatically looks for a subfolder matching the ROM name. chdman extractfloppy -i game