16 lines
640 B
Markdown
16 lines
640 B
Markdown
# Sega PSG instrument editor
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the instrument editor for Sega PSG, SMS, and other TI SN76489 derivatives consists of these macros:
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- **Volume**: volume sequence.
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- **Arpeggio**: pitch sequence.
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- **Duty**: noise mode.
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- `0`: short noise; preset frequencies.
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- `1`: long noise; preset frequencies.
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- `2`: short noise; use channel 3 for frequency.
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- `3`: long noise; use channel 3 for frequency.
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- for more info on these, see the [chip documentation](../7-systems/sms.md#info).
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- **Panning**: output for left and right channels.
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- only on Game Gear!
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- **Pitch**: fine pitch.
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- **Phase Reset**: trigger restart of **noise only**.
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