Tools like the chdman utility, found in the official MAME Documentation, allow you to create, verify, or extract these files yourself. Do you have a that isn't loading, or
from mamedev.org – the command-line version includes chdman . chd files for mame
Input file: game.chd File Version: 5 Logical size: 650,000,000 bytes Hunk Size: 2048 bytes Total Hunks: 317,382 Compression: zstd Tools like the chdman utility, found in the