Unfortunately, chances seem pretty low on that one, despite how highly requested that mod is. :(

As a note, madsiur's friend invite arrived for me just fine.

Yeah, I highly suspect that the game is just using the rom.bin as a "super-database"-- that is, for all of the information used by the game, such as items, monsters, town layouts, AI scripts, and how they all relate; plus lots of other data that isn't actual executing code. Minus, of course, the graphics and audio, as those are external to the rom.bin, at least as used by the .exe.

I figured the GBA version was largely the same as the SNES version, but since I haven't really poked at either before, I thought I'd check with somebody who has first, instead of re-inventing the wheel, so to speak. ^-^ I've poked at ARM stuff a bit in the past, so I might be able to help in that department at some point, but I highly suspect that'll be unneeded, if my above assumptions about the "super-database" are true.

Hey madsiur, it sounds like you might be the kinda person who can help a lot in our understanding of a few specific aspects of the steam release!

Feel free to send me a friend request, and I can give you all the info you want~

As a side note, the steam version of FFVI literally has a byte-for-byte copy of the original Japanese GBA rom inside it (except for a single byte that's different) -- I've been doing bits and pieces of research against it, but have been more hopeful for a GBA rom hacker to show up that I can work with instead~

On FLB files: I'm already working on that file format (and AKB, and PVR, etc..) so that I can add support for them in FFVI_Explore, however I don't want to discourage you from writing your own tools if you want to! :)

Originally posted by Monterossa:

Did you fix the self-applying issue that the progress bar is not showing on top? some end users are having problem installing our mods because they think that the mod appliers are not doing anything since they can't see the progress bar.

I hadn't heard of that. I'll put it on my list of things to look into tho, thanks for the report!

Technically Squenix already tried to block modding by putting all the files in an archive, hashing their filenames, and encrypting the data. Those are all things done almost entirely to prevent people from "messing with their files". And, obviously, we've gotten around that.

Also- New FFVI_Explore that can change your installation into "modding mode", allowing you to mod right out of a directory, instead of having to rebuild main.obb all the time: https://dl.dropboxusercontent.com/u/38150185/FFVI/FFVI_Explore_v0.3.zip

Originally posted by Monterossa:

Is it possible to edit the exe file to read data from "main.obb" folder instead of the actual obb file? The same way people did with RagnarokOnline for years.

That's basically what this is, altho there's a few other requirements that FFVI_Explore will take care of in the background.

So I found a way to easier test modding files. I'm just updating FFVI_Explore now to support it, but it'll effectively allow you to mod files and test them in the game without having to repackage the whole main.obb file.

That's going to be a significant challenge as it actually involves changing the game's logic, and it's not just a matter of flipping a bit to "switch back to the old interface".

Now you can distribute your mods using the latest version of FFVI_Explore: https://dl.dropboxusercontent.com/u/38150185/FFVI/FFVI_Explore_v0.2.zip

Okay, here's the latest version of FFVI_Explore -- it supports saving your mods for easy distribution :) Also, you can save your mods as a self-installing program, to make it even easier!
https://dl.dropboxusercontent.com/u/38150185/FFVI/FFVI_Explore_v0.2.zip