How To Edit SNES and Genesis Roms

There is a separate manager for the SNES version of TSB3 at emuware.com

TSBM 2000 does not edit TSB2.

Ok, so you want to edit the SNES or Genesis versions of TSB1, but you're getting this message:

In order to edit SNES roms, you may have to delete the header. This can be done by a program called 'SNES Tool' which is available at Tsb Heaven or romhacking.com

There are a few different file extensions for Genesis roms, the one you need for TSBM to work is .bin