2022-02-04 16:05:25 -05:00
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# AY8930 instrument editor
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2023-09-10 13:16:55 -04:00
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the AY8930 instrument editor consists of two tabs.
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2022-02-04 16:05:25 -05:00
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2023-09-09 21:07:05 -04:00
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## Sample
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for sample settings, see [the Sample instrument editor](sample.md).
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the only differences are the lack of an "Use wavetable" option, and the presence of a "Use sample" one.
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note that using samples on AY is CPU expensive!
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## Macros
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- **Volume**: volume sequence.
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- **Arpeggio**: pitch sequence.
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- **Noise Freq**: noise generator frequency sequence.
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- note: global!
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- **Waveform**: selector of sound type - square wave tone, noise and/or envelope generator.
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- you may select more than one option.
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- **Pitch**: fine pitch.
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- **Phase Reset**: trigger restart of **envelope**.
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- **Duty**: duty cycle sequence.
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- **Envelope**: configures the hardware envelope.
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- **enable**: sets whether envelope is enabled.
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- **direction**: flips the envelope's direction.
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- **alternate**: when enabled, the envelope will change direction once it hits a boundary.
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- **hold**: sets whether the envelope should stop when hitting boundary, or loop.
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- **AutoEnv Num**: sets the envelope to the channel's frequency multiplied by numerator.
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- **AutoEnv Den**: sets the envelope to the channel's frequency multiplied by denominator.
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- these two must be set in order for AutoEnv to work!
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- **Noise AND Mask**: alters the shape/frequency of the noise generator, allowing to produce various interesting sound effects and even PWM phasing.
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- **Noise OR Mask**: see above.
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