Resisters
R0 A Tone Period 8-BIT Fine Tune A
 
R1 Channel A Tone Period 4-BIT Coarse Tune A
 
R2 Channel B Tone Period 8-BIT Fine Tune B
 
R3 Channel B Tone Period 4-BIT Coarse Tune B
 
R4 Channel C Tone Period 8-BIT Fine Tune C
 
R5 Channel C Tone Period 4-BIT Coarse Tune C
 
R6 Noise Period 5-BIT Period Counter
 

R7 Enable 
  Noise C B A
  Tone C B A
R8 Channel A Amplitude
  Envelope
 
R9 Channel B Amplitude
  Envelope
 
R10 Channel C Amplitude
  Envelope
 
R11 Envelope Period 8-BIT Fine Tune E
 
R12 Envelope Period 8-BIT Coarse Tune E
 
R13 Envelope Shape Cycle 
Continue Attack Alternate Hold

Waveform

MML
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