I did a check on how much space went into graphics data in the ROM about a year ago and arrived at 0x115000 bytes out of the 0x200000 bytes in the ROM. This means that (including empty space) there are, at most, only 30 banks to disassemble. In contrast to the original 64, I have just cut our work in half and then some. You're all welcome.
$01:8000-
$02:BFFF:GFX for the opening of the game. The rest of the second bank is mostly empty space and what appears to be static data. I'm not positive, but I would advise immediate inspection of the rest of the code and what it does.
$06:8000-
$07:BFFF:SMB1 GFX including objects, sprites and animated tiles
$08:8000-
$0A:FFFF:Layer 2 BG GFX and player GFX.
$0C:8000-
$0C:FFFF-This is a very odd bank. It sports a quarter of empty space, some SMB3 GFX, and some 3BPP GFX.
$10:8000-
$10:FFFF:A GFX bank for any differences between the SMB1 game and the SMB:TLL game (like poison mushroom).
$16:8000-
$1E:FFFF:SMB2 GFX and some empty space here and there. There's something odd at $1A:E800. It's not GFX, but it has a visual pattern where you know it's not code. It could use inspection though.
$2B:8000-
$2C:FFFF
kay, this one was hard to figure out, but it's the box arts for the games on the select screen.
$2D:8000-
$3A:FFFF:The world of SMB3 GFX. It boasts a few other odd things though. Nothing looks like vital data however.
$3D:8000-
$3F:FFFF:A few final GFX for the SMB3 game.
Altogether, that totals for over half the space in the ROM. You may want to reevaluate the division of labor among the game Floating Munchsanio. If you could get ten people, they'd only have to do three banks of pure code. That's a pretty hearty deal!
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