Retro game sounds piano for iPhone ! NESynth is a virtual synthesizer that simulated 8 bit sound of video games in the 80's. NESynth modulate wave forms of old game chip's. The shape of waves is very real. ・Three pulse wave forms (duty cycle 1:1 1:3 1:7). ・Virtual triangle wave form. ・White noise supporting two modes. Game controller mode for game master! It's super geek mode! Pitch bending contro