#include <reg51.h>
void BinToASCII(unsigned char);
void main()
  {
    unsigned char value;
    T1=1;
    TMOD=0x06;
    TH0=0;
    while(1)
      {
       do
        {
          TR0=1;
          value=TL0;
          BinToASCII(value);
        }
       while(TF0==0);
       TR0=0;
       TF0=0;
      }
  }
void BinToASCII(unsigned char value)		
  {
    unsigned char x,d1,d2,d3;
    x = value / 10;
    d1 = value % 10
    d2 = x % 10;
    d3 = x / 10
    P0 = 30 | d1;
    P1 = 30 | d2;
    P2 = 30 | d3
  }