#include <reg51.h>
#define uchar unsigned char
sbit p17=P1^7;



main()
{ uchar i,rr[8];
  TMOD=0x20;
  SCON=0x50;
  TH1=0xFD;
  TL1=0Xfd;
  TR1=1;
  p17=0;
  for(i=0;i<8;i++)
  { 
	  rr[i]=SBUF;
	  while(RI==0);	  
      RI=0;
    
  
  }
}