> > Hope one day see is CHD compressed with Winrar and load just like normal rom file,
> if
> > it´s possible we can have the MAME full compressed without having a lot of bytes
> for
> > our Disc.
>
> You can have CHDs in a .zip file right now. You just need as much RAM free as the
> size of the CHD file and it'll take forever to load. The point of CHDs is that you
> can live stream the data and it's reasonably compressed (same as .zip) without
> defeating that goal. Putting them in a zip or rar or 7zip wrapper defeats this. Using
> whatever RAR uses (all I know is it's super-slow compared to zlib) defeats this. And
> finally, CHDs with a lot of audio data (e.g. "analog" Bemani CDs) won't get usefully
> smaller using RAR or 7zip.
>
> Also, 1 TB drives are under US$50 now. If you can afford a CPU that runs MAME well,
> you can certainly afford that.
I'm uh, obtaining a MESS CHD torrent right now - I was wondering if console CHDs were already compressed in some way. This settles it, they are. What kind of compression do CHDs use, anyway? Standard zip, or something less obvious?
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