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== File allocation table header ==
== File allocation table ==
The savedata FS uses a fairly basic allocation table to keep track of block allocation. The FAT contains doubly-linked lists of the blocks allocated to each file. Each entry in the FAT is 8 bytes in size.
FAT entry 0 is reserved for the list of free blocks. Because of this, the FAT entry for block n is found at FAT index n+1. The indexes stored in FAT entries refer the index of the next/previous FAT entry in the chain, not the index of the next/previous block.
=== File allocation table header ===
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