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by Lammy 1921 days ago
System 7 makes it even more interesting since they had to implement resource compression to keep the Finder + System suitcase small enough to fit on a single floppy with space leftover for the user to actually use. The decompression routines ship alongside the compressed resources, as 68k machine code in a ‘dcmp’ resource and later as PPC code in a ‘ncmp’ resource, so devs were free to cook up and include any compression algorithm they wanted and weren’t limited to Apple’s ~three or so common ones.