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XADMaster-wiki/DiskDoublerSpecs.md
Paul Taykalo e72ee97a91 Created DiskDoublerSpecs (markdown)
2018-03-09 17:29:30 +02:00

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File Formats

  • DiskDoublerSingleFormat
  • DiskDoublerArchiveFormat1
  • DiskDoublerArchiveFormat2

(See http://code.google.com/p/theunarchiver/source/browse/trunk/XADMaster/XADDiskDoublerParser.m for now.)

Algorithms

  • 0: No compression.
  • 1: Unix Compress, with optional XOR garbling, named "DD A".
  • 2: Unknown algorithm, with optional XOR garbling.
  • 3: Not used.
  • 4: Not used.
  • 5: Same algorithm as 2 with different parameter
  • 6: DiskDoublerAdAlgorithm with block size 8192, named "ADS" or "AD2".
  • 7: Not used.
  • 8: Rle8182Algorithm and optionally CompactProLzhAlgorithm (with blocksize 0xfff0 instead of 0x1fff0), named "DD B".
  • 9: DiskDoublerAdAlgorithm with block size 4096, named "AD" or "AD1".
  • 10: DiskDoublerDdAlgorithm, named "DD1" and "DD2".