> > Nice. Any cool differences with the Bubble Bobble proto? > > It runs on a Tokio/Scramble Formation PCB, which is lacking the YM3526 that produces > music in the final game. Unfortunately the PCB currently has no sound. The sprite > data is different; there are various sprites missing compared to the final release. > There's also no protection MCU but that's not a big surprise. I'm sure tcrf.net will > have fun with this once it's fully dumped...
maybe it simply has no sound at this point in development, given the sound hardware isn't the same I wouldn't rule that out.