Dual 245 Shift

void shiftOut2(unsigned int data, char xSB){
    char x;
    int dataCheck = 0x8000;

    if(!xSB) dataCheck = 0x0001;

    latchPin=0;

    for(x=0;x<16;x++)
        {
            if(data & dataCheck)
                dataPin = 1;
            else
                dataPin = 0;

            clockPin = 0;
            Delay10TCYx(2);
            clockPin = 1;

            if(!xSB)
                data <<= 1;
            else
                data >> 1;
         }
    }

    latchPin=1;
}