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furnace/doc/4-instrument/game-boy.md

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Game Boy instrument editor

GB instrument editor consists of two tabs: one controlling envelope of sound channels and macro tab containing several macros.

Game Boy

  • Use software envelope: switch to volume macro instead of envelope

  • Initialize envelope on every note: forces a volume reset on each new note

  • Volume: initial channel volume (range 0-15)

  • Length: envelope decay/attack duration (range 0-7)

  • Sound Length: cuts off sound after specified length, overriding the Length value

  • Up and Down radio buttons: Up makes the envelope an attack, down makes it decay. Note: For envelope attack to have any effect, start at a lower volume!

  • Hardware Sequence: (document this)

Macros

  • Volume: volume sequence. Note: This only appears if "Use software envelope" is checked.
  • Arpeggio: pitch in half-steps
  • Duty/Noise: pulse wave duty cycle or noise mode sequence
  • Waveform: ch3 wavetable sequence
  • Panning: output for left and right channels
  • Pitch: fine pitch
  • Phase Reset: trigger restart of waveform