SsPitchFromNote

// Frequency = (Pitch * 44100) >> 12;

USHORT _svm_ptable[]=
{
    4096, 4110, 4125, 4140, 4155, 4170, 4185, 4200,
    4216, 4231, 4246, 4261, 4277, 4292, 4308, 4323,
    4339, 4355, 4371, 4386, 4402, 4418, 4434, 4450,
    4466, 4482, 4499, 4515, 4531, 4548, 4564, 4581,
    4597, 4614, 4630, 4647, 4664, 4681, 4698, 4715,
    4732, 4749, 4766, 4783, 4801, 4818, 4835, 4853,
    4870, 4888, 4906, 4924, 4941, 4959, 4977, 4995,
    5013, 5031, 5050, 5068, 5086, 5105, 5123, 5142,
    5160, 5179, 5198, 5216, 5235, 5254, 5273, 5292,
    5311, 5331, 5350, 5369, 5389, 5408, 5428, 5447,
    5467, 5487, 5507, 5527, 5547, 5567, 5587, 5607,
    5627, 5648, 5668, 5688, 5709, 5730, 5750, 5771,
    5792, 5813, 5834, 5855, 5876, 5898, 5919, 5940,
    5962, 5983, 6005, 6027, 6049, 6070, 6092, 6114,
    6137, 6159, 6181, 6203, 6226, 6248, 6271, 6294,
    6316, 6339, 6362, 6385, 6408, 6431, 6455, 6478,
    6501, 6525, 6549, 6572, 6596, 6620, 6644, 6668,
    6692, 6716, 6741, 6765, 6789, 6814, 6839, 6863,
    6888, 6913, 6938, 6963, 6988, 7014, 7039, 7064,
    7090, 7116, 7141, 7167, 7193, 7219, 7245, 7271,
    7298, 7324, 7351, 7377, 7404, 7431, 7458, 7485,
    7512, 7539, 7566, 7593, 7621, 7648, 7676, 7704,
    7732, 7760, 7788, 7816, 7844, 7873, 7901, 7930,
    7958, 7987, 8016, 8045, 8074, 8103, 8133, 8162,
    8192
};

SHORT SsPitchFromNote(SHORT note, SHORT fine, UCHAR center, UCHAR shift) {

    unsigned int pitch;
    SHORT calc, type;
    signed int add, sfine;//, ret;

    sfine=fine+shift;
    if(sfine<0) sfine+=7;
    sfine>>=3;

    add=0;
    if(sfine>15)
    {
        add=1;
        sfine-=16;
    }

    calc=add+(note-(center-60));//((center + 60) - note) + add;
    pitch=_svm_ptable[16*(calc%12)+(short)sfine];
    type=calc/12-5;

    // regular shift
    if(type>0) return pitch << type;
    // negative shift
    if(type<0) return pitch >> -type;

    return pitch;
}