filesystem.txt

header { //This must be equal to or less than chunksize, as the header it's self is a chunk
    char[4] magic
    uint16 version_major
    uint16 version_minor
    
    uint8 chunksize // Chunk size = 8 << chunksize
    uint32 numchunks
    
    // Pointers point to chunk IDs, not file offset! Chunk ID = 
    uint32 filetable_pointer
    uint32 bitmap_pointer
    
    // Zero pad until size of chunksize
}

chunk {
    uint32 previous_chunk_pointer // If zero, this is the first chunk
    char[chunksize - 8]
    uint32 next_chunk_pointer // If zero, this is the last chunk
}

filetable {
    uint32 timestamp
    uint32 filecount
    fileentry[filecount]
}

fileentry {
    uint8 filename_len
    char[filename_len] filename
    uint32 timestamp
    uint32 filesize
    uint32 chunk_pointer
}

bitmap {
    uint8 compression
    char[ceil(((8 << chunksize) * numchunks) / 8)] bitmap
}