[CDG5] Random questions
Max Poliakovski
maximumspatium at googlemail.com
Mon Dec 10 21:24:27 AWST 2018
MacOS 9 doesn't apparently use compressed resources. I looked into the
resource map of the System file from MacOS 9.2.2 and couldn't find any
resource starting with 0xA89F6572.
Moreover, dcmp 3 does exist as 68k code only while Donn&Gregg decompression
methods have PPC equivalents in 'ncmp' resources.
I therefore need more compressed resources for testing purpose. It would be
great I you could locate Donn-compressed resources as well. They usually
start with 0xA89F6572 00XX 0801...
Regarding re-compression, I think it should be easy to build a compressor
for GreggyBits controlled by the decompression params. I'm not sure if the
original compressor (whose source isn't publicly available) had an
automatic way of determining best-fit compression params...
BTW, the author of GreggyBits compression - Greg Marriott - still does
software development. According to his blog
http://www.greggybits.com/about.html, he works for Apple again. He'd be
surely pleased to see his ol' stuff reimplemented in Python. I'd do in his
place...
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