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Made some good progress on adding CHD support to BlastEm over the holiday weekend. Not integrated into the emulator yet, but I was able to decompress some CHDs (though only ones that use zlib and/or FLAC). Should be able to get it finished up in time for the 1.0 release on Friday

8/9/26, 5:49 am4 reposts10 likes

Michael Pavone

@retrodev.com

8 Sept

It's an annoying format to support. It was originally designed for hard drive images and CD image support was tacked on later which adds some complexity. CD extensions also don't feel super well thought out. Also, the only documentation is the MAME source code. Still, I get why folks want it

Steve Lin

@stevelin.bsky.social

8 Sept

Sorry you have to deal with so much jank because people wanted to emulate Killer Instinct however many years ago