If it was, then the ZIP format wouldn't even have these features in the first place. But that's no reason to omit a useful feature that skilled users could work with. Yes, it's true that most users wouldn't know about changing compression ratio or algorithm per-file. Ideally an already compressed file is only stored in the ZIP (stored uncompressed) and not re-compressed, but that is a manual ZIP operation not many users even know about. For example, if a game uses Red Book audio, such as with Quake, then the fact that CHD can compress those tracks with FLAC can provide a much smaller file size than trying to DEFLATE those tracks instead. Keep in mind using the currently available ZIP compression (which can compress both the BIN/CUE/ISO files as well as the game installation) also results in a very similar 30% size reduction on C&C CDs.ĬHD may or may not provide much in the way of size reduction compared to using the ZIP format's DEFLATE on an ISO that's pure data, but there are other use cases where CHD can provide benefits. And only here CHD is really relevant, from my opinion. Only after doing that, the whole content can be compressed to a ZIP file or copied from a mounted empty HDD CHD (not CD). Some forks of DOSBox can, I don't know for this one.Īnyway. That means DOSBox Pure to be able to read audio files. ISO folder is detected instead of a BIN file. Maybe with a cue sheet DISCLABEL.CUE file pointing to ripped audio files with the first track ignored if a. I don't know if games like that exists, but for a multi CD-ROM game with the same label for every disc or with a label containing DOS forbidden characters, that would be a problem. But the only two problems I see with that could be with games checking the disc label to launch. ![]() The same way, be able to mount such folders from menu too, as MOUNT allows it instead of IMGMOUNT in classical DOSBox use.Īdditionally using the DISCLABEL part as the volume name. That means having an automount feature for. removing unnecessary data like trailers, pdf, etc. ![]() With optional only the content needed by the game eg. I mean to get best file size and perfs would be to use a folder named DISCLABEL.ISO with ISO/BIN content extracted alongside the game folder and mounted as ISO-9660 CD. ![]() And the purpose of this core is to have every static data in one archive file. As schellingb says, people will surely embed the CHD file into the ZIP file and it'll be a mess. I disagree using CHD for CD-ROM compression with DOSBox Pure.
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