furnace/doc/4-instrument/psg.md
Electric Keet fdfbff3999 De-capitalization of docs (and little typo fixes)
There are also a couple tiny instances of formatting, like [sic] in the Namco 163 doc (yes, it is now correctly formatted) and a couple labels that needed bold.
2023-09-10 10:16:55 -07:00

565 B

Sega PSG instrument editor

the instrument editor for Sega PSG (SMS, and other TI SN76489 derivatives) consists of these macros:

  • Volume: volume sequence.
  • Arpeggio: pitch sequence.
  • Duty: noise mode.
    • 0: short noise; preset frequencies.
    • 1: long noise; preset frequencies.
    • 2: short noise; use channel 3 for frequency.
    • 3: long noise; use channel 3 for frequency.
  • Panning: output for left and right channels.
    • only on Game Gear!
  • Pitch: fine pitch.
  • Phase Reset: trigger restart of waveform.