BCD Conversion

void TransformTime(void)
{
    hours    =  (((hours & 0xF0)  >> 4)*10  + (hours & 0x0F)) & 0x3F;   // Transform hours
    year     =   (year & 0xC0) >> 6;                                     // Transform year
    day      =  (((day & 0x30) >> 4)*10    + (day & 0x0F)) & 0x3F;      // Transform day
    month    =  (((month & 0x10)  >> 4)*10 + (month & 0x0F)) & 0x3F;    // Transform month
}

typedef unsigned char bool;
union
{
    struct
    {
        bool pumptimer1:1;      /*using the bits to flag if */
        bool pumptimer2:1;      /*a run timer is in use*/
        bool pumptimer3:1;
        bool pumptimer4:1;
        bool pumptimer5:1;
        bool pumptimer6:1;
        bool pumptimer7:1;
        bool pumptimer8:1;
    };
}pmptmr;        //pump timer status

  ++bb;
    timer 0x01 <<bb;            //bit shift to the left "bb" times
    if (pmptmr && timer &= On)
    {
        I2C1_MasterRead(*pdata,3,RTCC,*pflag);
    }