===Reading tilesets from a pokemon red rom===
-Data starts at: 0xC7BE
-12 bytes per tileset
=Byte key=
1st: The bank of the tileset
2nd-3rd: The pointer for the data that arranges the tileset (bank as first byte)
4th-5th: The pointer for the actual tileset graphics (bank as first byte)
6th-7th: The pointer for the collision (bank 0)
8th: Unknown
9th: Unknown
10th: Unknown
11th: Unknown
12th: Animation byte (00 = nothing, 01 = water, 02 = water and flowers)

Written by Lin. Thanks to Coolboyman for animation key, and that there were collision pointers.