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furnace/doc/7-systems/vera.md
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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 (except for panning).

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.