#include <reg51.h>
sfr SBUF1=0xC1;
sfr SCON1=0xC0;
sbit RI1=0xC0;
void main(void)
  {
    unsigned char mybyte;
    TMOD=0x20;			
    TH1=0xFD;			
    SCON1=0x50;			
    TR1=1;
    while(1)
      {
        while(RI1==0);	
        mybyte=SBUF1;		
        P2=mybyte;		
        RI1=0;
      }
  }