So I compile MAME w/hi score diff and all works well. I've been setting new scores for 2 weeks now w/no problems. Today I play Galaga, exit the game (Mala is still on), go to play the game 30 min later (machine never turned off), enter Galaga and the scores are reset! They had been working for weeks (as I said before) and they just reset randomly. I checked my other games like DK and they're all still there.
Has this ever happened to anyone before? Ideas?