From ed7265645d457bba9b213d327061e238b7f9c1ba Mon Sep 17 00:00:00 2001 From: Electric Keet Date: Thu, 13 Jul 2023 16:35:55 -0700 Subject: [PATCH] Document standard instr. noise modes. --- doc/4-instrument/standard.md | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/doc/4-instrument/standard.md b/doc/4-instrument/standard.md index 2da6e160..11272356 100644 --- a/doc/4-instrument/standard.md +++ b/doc/4-instrument/standard.md @@ -2,9 +2,17 @@ The instrument editor for NES and PSG (SMS, MSX, and such) consists of these macros: -- **Volume**: volume -- **Arpeggio**: pitch in half-steps -- **Duty**: duty cycle and noise mode for NES channels. _Note:_ This has no effect on Sega Master System. -- **Panning**: output for left and right channels -- **Pitch**: fine pitch -- **Phase Reset**: trigger restart of waveform \ No newline at end of file +- **Volume**: volume. +- **Arpeggio**: pitch in half-steps. +- **Duty**: duty cycle and noise mode. + - NES noise modes: + - `0`: long noise. + - `1`: short noise. + - PSG noise modes: + - `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. +- **Pitch**: fine pitch. +- **Phase Reset**: trigger restart of waveform. \ No newline at end of file