YXPCCCTT format
From SMWiki
The YXPCCCTT format (not to be confused with the YXPPCCCT format) is used to store layer tilemap properites. The information is stored in binary and makes up a single byte.
Format
76543210 YXPCCCTT X : X flip Y : Y flip P : Priority CCC: Palette TT : Bits 9 and 8 of tile number
VRAM (Layer 3)
Layer 3 uses the YXPCCCTT format for it's tile properties. In the VRAM, each layer 3 tile is stored in two byte words, one byte containing the tile number and the other the tile properties (YXPCCCTT format, as above).
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