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//attenuationBitCount = 10 
//phaseBitCount = 10 
//operatorOutBitCount = 14 
//phase = the output from the phase generator 
//attenuation = the output from the envelope generator 

//???????????????????????
// how do you modulate the 10 bit "phase" input by another operators 14 bit output?
// Something like this is not working for me:
//  phase += otherOperatorOutput; // Modulate
//  phase &= ( ( 1 << 10 ) -1 );      // Wrap
//???????????????????????

//Calculate the sine value 
double phaseNormalized = ((double)phase / ((1 << phaseBitCount) - 1)) 
double sinResult = sin(phaseNormalized * M_PI * 2); 

//Convert the attenuation to a linear representation of power 
double attenuationIndividualBitWeighting = 48.0 / (1 << attenuationBitCount); 
double attenuationInBels = (((double)attenuation * attenuationIndividualBitWeighting) / 10.0); 
double powerLinear = pow(10.0, -attenuationInBels); 

//Attenuate the result 
double resultNormalized = sinResult * powerLinear; 

//Calculate the 14-bit operator output 
unsigned int maxOperatorOutput = ((1 << (operatorOutBitCount - 1)) - 1); 
int result = (int)(resultNormalized * maxOperatorOutput);

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//Convert the 14-bit operator unit output from the modulator into
//a 10-bit phase modulation input. Note that the bits are not
//mapped quite the way you might expect. The operator output is
//shifted down by 1 when it is mapped to the phase modulation
//input. The remaining upper 3 bits of the operator output are
//discarded.
//  ---------------------------------------------------------
//  |               Operator Output (14-bit)                |
//  |-------------------------------------------------------|
//  |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
//  ------------=========================================----
//              |       Modulation Input (10-bit)       |
//              |---------------------------------------|
//              | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
//              -----------------------------------------