I'm trying to use FCEUMM (I think that's the name) to play "Kirby's Adventure". I'm noticing that occasionally the game completely fails to read my input. For instance, I'll jump up in the air and try to use the B button to attack while in mid-air, and absolutely nothing happens and I get hit.
Is this a setting thing, or should I switch to a different core? (Also, if I switch cores, will it still recognize my save file or do I have to start over? It's Kirby, so it won't be too difficult to catch back up, but I'm all the way at Orange Ocean and it would be a pain to redo that much.)