https://github.com/clownacy/clownnemesis

Compressor and decompressor for the Nemesis file format.
https://github.com/clownacy/clownnemesis

ansi-c c89 c90 compression huffman-coding mega-drive run-length-encoding sega-genesis sega-mega-drive shannon-fano-algorithm sonic-the-hedgehog

Last synced: 2 days ago
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Compressor and decompressor for the Nemesis file format.

• Host: GitHub
• URL: https://github.com/clownacy/clownnemesis
• Owner: Clownacy
• License: 0bsd
• Created: 2024-02-09T16:07:54.000Z (8 months ago)
• Default Branch: master
• Last Pushed: 2024-03-18T00:34:19.000Z (6 months ago)
• Last Synced: 2024-09-24T21:19:48.875Z (2 days ago)
• Topics: ansi-c, c89, c90, compression, huffman-coding, mega-drive, run-length-encoding, sega-genesis, sega-mega-drive, shannon-fano-algorithm, sonic-the-hedgehog
• Language: C
• Homepage:
• Size: 144 KB
• Stars: 5
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# clownnemesis

A compressor and decompressor for the Nemesis format.

A description of the Nemesis format can be found here:

https://segaretro.org/Nemesis_compression.

The compressor implements two prefix-code generation algorithms: Shannon-Fano

and Huffman. Huffman produces the smallest files, while Shannon-Fano produces

identical results to Sega's compressor.

Both an executable and library are provided. Both are written in ANSI C (C89).

To build this, use CMake.