YPF

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Revision as of 22:02, 13 March 2015 by Orin (talk | contribs)
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Used in the following games:

  • Eroge! ~Sex and Games Make Sexy Games~

Structure

Header
Size Content Description
4Bytes Magic/ID "YPF/0"
4Bytes Unknown1 Static?
4Bytes File Count Number of Files in archive
4Bytes Index Size Size of Index
16Bytes Padding
Index Entry
Size Content Description
4Bytes Unknown1
1Bytes Filename Length XOR 0xFF
?Bytes Filename XOR 0xFF then XOR 0x40
2Bytes Unknown
4Bytes FileSize1 Possible File size1
4Bytes FileSize2 Possible File size2 (compression?)
4Bytes File Offset
4Bytes Unknown

Comments

Index data may be protected.

XOR by FF then XOR by 40 may work.