The ability to launch Street Fighter IV in exactly the same state it ran in a 2008 arcade, then instantly switch to Spider-Man: The Video Game in MAME, is the holy grail of emulation.
Do not put these in your standard arcade or mame folder. taito type x batocera
If you want a setup, search for “Batocera Type X2 scripts” or pre-configured Wine prefixes for specific titles like Street Fighter IV or BlazBlue: Calamity Trigger . The ability to launch Street Fighter IV in