ref: 0991bd3abed50f4d249da1ef38d77cd5cd39a77e dir: /data/key_items.asm/
KeyItemBitfield: ; e799 (3:6799) db %11110000 db %00000001 db %11110000 db %01001111 db %00000000 db %10011111 db %00000000 db %11000000 db %11110000 db %00111011 db %00000000