47 lines
1.5 KiB
Markdown
47 lines
1.5 KiB
Markdown
# SNES instrument editor
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these tabs are unique to the editor for SNES instruments.
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# SNES
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**Use envelope** enables the ADSR volume envelope. if it's on:
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- **A**: attack rate.
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- **D**: decay rate.
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- **S**: sustain level.
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- **D2**: decay rate during sustain.
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- **R**: release rate.
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- **Sustain/release mode**:
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- **Direct**: note release acts as note cut.
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- **Effective (linear decrease)**: after release, volume lowers by subtractions of 1/64 steps.
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- **Effective (exponential decrease)**: after release, volume decays exponentially. see [gain chart](../7-systems/snes.md).
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- **Delayed (write R on release)**: after release, waits until A and D have completed before starting exponential decrease.
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if envelope is off, select gain mode as described below.
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# Macros
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- **Volume**: volume.
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- **Arpeggio**: pitch in half-steps.
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- **Noise Freq**: preset frequency of noise generator.
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- **Waveform**: waveform.
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- **Panning (left)**: output level of left channel.
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- **Panning (right)**: output level of right channel.
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- **Pitch**: fine pitch.
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- **Special**: bitmap of flags.
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- invert left: inverts output of left channel.
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- invert right: inverts output of right channel.
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- pitch mod: modulates pitch using previous channel's output.
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- echo: enables echo.
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- noise: enables noise generator.
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- **Gain**: sets mode and value of gain.
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- 0 - 127: direct gain from 0 to 127
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- 128 - 159: linear gain from -0 to -31
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- 160 - 191: exponential gain from -0 to -31
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- 192 - 223: linear gain from +0 to +31
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- 224 - 255: exponential gain from +0 to +31
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