> 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. > Too many GB LOL.
you don't know what you are talking about: CHD are already compressed! you don't gain anything significative by trying to compress them further.
moreover, you might want to notice that rar files are not supported by MAME: roms can only be zipped