I found Ruka's SNES9xTYL ME++ build 32 source code! It has been posted on this site on post #94. It looks like it is the latest source as you can see by the modified date on the zip:
The direct link to it is:
Updated version for Ruka's build 32 (not latest) is:
Updated for slim is:
Hope this helps this community and also hope that devs use this to improve on Snes9x emulator :) .