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Forums > C64 Coding > Exomizer Decruncher
2019-11-30 18:14

Registered: Feb 2002
Posts: 11
Exomizer Decruncher

Excuse me for being a bit old-fashioned. I generally like the idea of crunching data on the PC because it's super fast.

However, when not creating an SFX file, how do I obtain a decruncher? I've tried to import the sources into Turbo Macro, but I'm just getting garbage there. I've also had a look at the SFX code but the whole thing makes zero sense to me. I'm still puzzled about how that code doesn't put out 100% garbage O.o

Maybe someone can compile it for me or find a way to convert it to Turbo Macro.
2019-11-30 19:48

Registered: Sep 2003
Posts: 453
Added a decruncher to 3.0.2 for 64tass. Converting it to native TASM might be a bit more work.
2019-12-01 19:36

Registered: Apr 2002
Posts: 1640
For what it's worth, Krill's Loader, Repository Version 164 and later versions support Exomizer 3 (and 8 other compressors).
See loader/src/decompress/exodecomp.s.

Making it ca65-compatible wasn't very hard, and as soci implies, neither was making it compile with 64tass.

If you insist on using an ancient or native assembler, well... why. Include a binary then. =)
2019-12-01 20:23

Registered: Mar 2003
Posts: 1475
In Turbo assembler, import the source file as a SEQ file, instead of loading it like a normal tass source. To do that, press the back arrow key and then E. It will insert the SEQ file where your cursor is, I think.

You may want to switch uppercase/lowercase (on the PC) in the source file before doing that though.

The decruncher source files themselves are available with exomizer.
2019-12-01 20:57

Registered: Apr 2002
Posts: 1640
Quoting Frantic
You may want to switch uppercase/lowercase (on the PC) in the source file before doing that though.
Yes, otherwise you'll get funny chars. :)

From the petcat (comes with VICE) help:
	petcat -text -w2 -o outputfile.seq -- inputfile.txt
		Convert inputfile.txt to a Petscii text SEQ file
		in outputfile.seq.
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