Probably not, Byuu got pretty fed up of adding use cases for things he couldn't test himself, which people kept requesting, but then only demanding more and insulting him for the high system requirements, rather than thanking him for what he'd done to clean up the utter mess that was Snes emulation.
In the end he just decided to strip most of it down to the basics needed to write a good emulator that he could use and develop himself instead without the bloat of untestable special use cases, so no, I doubt you'll find custom arcade screenmodes and such.
The source is out there tho, if somebody really wanted to create a DOS / ArcadeRes OSD layer to it they could.
(all this sounds very familiar .... )