I actually started to figure out how to mess with the town/area titles in VRAM yesterday, and I went to go to the Cave of Mist in the beginning and test it out (I was heading to Kaipo, since it has one of the longest titles: "Oasis Village - Kaipo"), but then I got into a battle, and saw this (the screenshot is taken from a save I have right before Octomammoth, which is why Tellah is in the party):

The battles still work, but the background for that area (the one that is just plain green, shows up as plains with a bit of sand in battle) is completely white. At first, I thought it was because of the messing in VRAM that I was doing, but I checked an older version of my hack to make sure, and it was the same. I also thought it may have been something to do with the fact that I keep using an old save state. So I started a new game, got to the beginning, got into a battle there, and the same thing happened.
Anyone know what the hell I did and how to change it back? I'm going to go over all of my latest ASM with a fine toothed comb this weekend (starting with a Japanese ROM, and adding one hack at a time, and testing it, to find out what code did it), but if someone else ran into a similar situation and can help, that'd be greatly appreciated.

I got bored yesterday while studying for my first Astronomy exam. So I put all of my ASM mods back into an earlier build of the game, one by one, to determine the cause. Nothing caused it. I put all of the mods (including the new ones for the map location text box) in, and it didn't happen. I must've modified something else by accident and didn't notice.
Doing this also made me realize I need to write down all of my ASM mods when I do them. Having to change loads and stores by figuring them out again by hand isn't fun. >.>
~DS