From 3dbrew
Jump to navigation Jump to search


Index Word Description
0 Header code [0x004E0204]
1 File handle lower word
2 File handle upper word
3 Offset lower word
4 Offset upper word
5 Size of write buffer
6 Alignment size (always 0x00001000)
7 Size of hashtable
8 Flush flags
9 (size of hashtable << 8) | 6
10 Pointer to hashtable
11 (size of write buffer << 8) | 0x14
12 Pointer to write buffer


Index Word Description
0 Header code
1 Result code
2 Size written
3 4

The data written are stored in the write buffer. For each 0x1000-byte block written, a SHA256 hash of the block is stored in the hashtable.

It is unknown how hashing behaves if the write offset/size are not aligned to a 0x1000-byte boundary.