ya no, i had this with
megadrive/genesis = decapattack = dgen, will only run this without bugs, tried countless rom changes, the controls were messed up
snes = poradious (any) = pocketsnes will run this without bugs, tried countless rom changes, could not get passed the start screen
so some of these emulators do issue bugs sometimes for certain roms.
but theres always other emulators to try