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NuCrunch V1.0.0   [2018]

NuCrunch V1.0.0 Released by :
ChristopherJam

Release Date :
30 May 2018

Type :
Other Platform C64 Tool

User rating:awaiting 5 votes (4 left)   See votestatistics

Credits :
Code .... ChristopherJam
Test .... Ian Coog of HVSC Crew
  Krill of Plush

Download :
http://csdb.dk/getinternalfile.php/167862/nucrunch-1.0.0-win32.zip (downloads: 161)
http://csdb.dk/getinternalfile.php/167857/nucrunch-1.0.0.tgz (downloads: 82)
http://csdb.dk/getinternalfile.php/167860/nucrunch-1.0.0-linux.tgz (downloads: 38)
http://csdb.dk/getinternalfile.php/167861/nucrunch-1.0.0-os_x.tgz (downloads: 27)

Look for downloads on external sites:
 Pokefinder.org


User Comment
Submitted by ChristopherJam on 31 May 2018
Thanks iAN.

Groepaz: Yes, I've finally stopped faffing about with it and kicked it out the door :)

Knight Rider: iAN's kindly posted some sfx comparisons on the discussion page for this release - speedwise the sfx depacker stands up even better than I expected.
User Comment
Submitted by Groepaz on 30 May 2018
finally its out :)
User Comment
Submitted by Krill on 30 May 2018
And a bit of shameless advertisement: Next loader release will feature NuCrunch support (along with a few new other things, like ChristopherJam's tinycrunch and tlr's Subsizer).
User Comment
Submitted by iAN CooG on 30 May 2018
Cheers =) the sfx depacker is really blazing fast, takes on average half the cycles than Exomizer 3.0, at the price of course of slightly less compression than exomizer and subsizer. The compact version gains few bytes at the cost of slower decompression. Nice and flexible tool.
User Comment
Submitted by ChristopherJam on 30 May 2018
It's not as good as some other crunchers at crunching large areas of empty space (eg if you just crunch a single file, or use the zero fill option); it's more optimised towards the case where you just give it a few smaller files for the areas of RAM you care about.
User Comment
Submitted by ChristopherJam on 30 May 2018
There's some indication of performance at http://www.codebase64.org/doku.php?id=base:compression_benchmar.. , although that just compares raw data sizes without the decruncher or any kind of self-extraction setup.

Similar ratio to ByteBoozer, Doynax etc, but noticeably faster (nearly twice as fast as subsizer, 10% larger file on average), at least for the Pearls for Pigs corpus.

The compression ratio is unchanged since version 0.1, and decompression speed is identical for reverse decrunch (high mem to low), slightly improved for the forward decrunch (low mem to high).
User Comment
Submitted by Knight Rider on 30 May 2018
It would be interesting to see any benchmarks of NuCrunch against other packers.
User Comment
Submitted by ChristopherJam on 30 May 2018
Finally it's here - a version of NuCrunch with an option to create self extracting (standalone) prgs.

No more do you need to pack the file to avoid compressing the spaces between the areas you care about; just provide one prg for each segment of RAM you have data for. Also, you decide whether it turns off the CIA timer for you or just sets the interrupt disable bit during decrunch. Input files must start at $0800 or later.

Grab the archive with no platform name for the sources, and example code for using NuCrunch as a library for levelpacking etc. The platform-titled archives just contain a stripped+UPXed binary and the readme.

"nucrunch --help" or read the readme for more information.

Thanks to Krill and Ian Coog for testing prerelease binaries, poking me to get on with it, and (in the latter case) advice on getting the release binary size down. Any errors or omissions are mine; I've changed more things since I last sent either of them anything :)
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