ES=0;                   //disable serial port interrupt
    TI=0;                   //clears TI
    SCON=0xF0;              //uart mode 3 (9 bit), REN=1
    TMOD=TMOD|0x20;         //Timer 1 mode 2
    TH1=0xFD;               //19200 Bds
    TL1=0xFD; 				//19200 Bds
    ES=1;                   //enable serial port interrupt
    TR1=1;                  //run Timer 1