2024-01-13 22:11:21 +00:00
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# beeper instrument editor
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used in PC Speaker and ZX Spectrum (SFX-like engine).
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- **Volume**: on-off volume sequence.
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- **Arpeggio**: pitch sequence.
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- **Pulse Width**: pulse width sequence.
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- only on ZX Spectrum.
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- **Pitch**: fine pitch.
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