Its a long shot, but would this help? http://rhcafe.us.to/?page=wiki&id=MSBT_(File_Format)
Edit: @Kinnay clarified the checksum. You'll need to AND the value with 0xffffffff before doing the modulo, since the 3DS and Wii U only handle 32 bits of data. I sent IcySon55 detailed information on how to add new entries, now that we can move forward with validating them.
Last edited by soneek,