Wiki Discussion

I haven't run into any problems with $31 being changed (I too use your underwater cave patch). But when I changed $32 to a stationary minecart scene, I later found the Phantom Train was blorked (it was drawing the girders at the back of the minecart scene). Reverting the pointer change on $32 fixed the glitch, which indicates that pointer is intended to tell the game which tiles to use for the train enemy since it draws from background graphics.

Though come to think of it... I was having enemy OAM tear during the minecart scenario, which is what prompted me to change $32 to a non-scrolling version in the first place. The tearing also corrupted the world map for a while, specifically while riding a chocobo between the minecart scene and the end of the world. It's possible that issue was caused by changes to $31 or a combination of background and enemy graphic changes; you might want to test that area carefully.