* dmnt_extension
* update type 8 extension
* clearify that bit 27 does not correspond to a button
* update cheat.md with new code type 0xC4
* implement code type 0xC4
* Add type 1 extension
* remove C0Tcr6Ma aaaaaaaa VVVVVVVV (VVVVVVVV)
* Type 9 extension for floating point math
* updated according to review