# VERA this is a video and sound generator chip used in the Commander X16, a modern 8-bit computer created by The 8-Bit Guy. it has 16 channels of pulse/triangle/saw/noise and one stereo PCM channel. currently Furnace does not support the PCM channel's stereo mode, though. # effects - `20xx`: set waveform. the following values are accepted: - 0: pulse - 1: saw - 2: triangle - 3: noise - `22xx`: set duty cycle. `xx` may go from 0 to 3F.