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Vsu Register Map

Table of Contents

Channel 1

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S1INT 0100_0400h Enabled? Use Interval? Interval Value
S1LRV 0100_0404h Left Level Right Level
S1FQL 0100_0408h Lower 8 bits of Frequency
S1FQH 0100_040Ch Upper 3 bits of Frequency
S1EV0 0100_0410h Initial Envelope Value Up? Envelope Step
S1EV1 0100_0414h On? Repeat?
S1RAM 0100_0418h Waveform RAM Address

Channel 2

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S2INT 0100_0440h Enabled? Use Interval? Interval Value
S2LRV 0100_0444h Left Level Right Level
S2FQL 0100_0448h Lower 8 bits of Frequency
S2FQH 0100_044Ch Upper 3 bits of Frequency
S2EV0 0100_0450h Initial Envelope Value Up? Envelope Step
S2EV1 0100_0454h On? Repeat?
S2RAM 0100_0458h Waveform RAM Address

Channel 3

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S3INT 0100_0480h Enabled? Use Interval? Interval Value
S3LRV 0100_0484h Left Level Right Level
S3FQL 0100_0488h Lower 8 bits of Frequency
S3FQH 0100_048Ch Upper 3 bits of Frequency
S3EV0 0100_0490h Initial Envelope Value Up? Envelope Step
S3EV1 0100_0494h On? Repeat?
S3RAM 0100_0498h Waveform RAM Address

Channel 4

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S4INT 0100_04C0h Enabled? Use Interval? Interval Value
S4LRV 0100_04C4h Left Level Right Level
S4FQL 0100_04C8h Lower 8 bits of Frequency
S4FQH 0100_04CCh Upper 3 bits of Frequency
S4EV0 0100_04D0h Initial Envelope Value Up? Envelope Step
S4EV1 0100_04D4h On? Repeat?
S4RAM 0100_04D8h Waveform RAM Address

Channel 5 (Sweep/Modulation)

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S5INT 0100_0500h Enabled? Use Interval? Interval Value
S5LRV 0100_0504h Left Level Right Level
S5FQL 0100_0508h Lower 8 bits of Frequency
S5FQH 0100_050Ch Upper 3 bits of Frequency
S5EV0 0100_0510h Initial Envelope Value Up? Envelope Step
S5EV1 0100_0514h Sweep/Modulate? Repeat modulation? Modulate? On? Repeat?
S5RAM 0100_0518h Waveform RAM Address
S5SWP 0100_051Ch Swp/Mod Clock Sweep/Modulation Clock Multiplier Add? Swp/Mod Shift Amount

Channel 6 (Pseudo-random Noise)

Name Address D7 D6 D5 D4 D3 D2 D1 D0
S6INT 0100_0540h Enabled? Use Interval? Interval Value
S6LRV 0100_0544h Left Level Right Level
S6FQL 0100_0548h Lower 8 bits of Frequency
S6FQH 0100_054Ch Upper 3 bits of Frequency
S6EV0 0100_0550h Initial Envelope Value Up? Envelope Step
S6EV1 0100_0554h Tap Location On? Repeat?
S6RAM 0100_0580h Waveform RAM Address


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Last modified: 21.02.2010