XADMaster-wiki/DiskDoublerSpecs.md
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".