[Request] Code for Sonic Classic Heroes (MD) Or other variants on Sonic 2/3/&Knuckles

[uffbulle]

First off, sorry if it has been done. I've searched through the db and couldn't find it. What I'm requesting is a code that lets me disable Super Sonic mode after having enabled it, preferably by pressing button B or C, but deactivating it in the same way it is activated is also fine.

Thanks!