#include <reg51.h>
#include <absacc.h>  
unsigned char msg[5]="Hello";
void main(void)
  {
    unsigned char x;	
    TMOD = 0x20;  
    TH1  = 0xFD;  
    SCON = 0x50;   
    TR1  = 1;
    
    for(x=0;x<5;x++)	
      XBYTE[0x000+x] = msg[x]; 
    
    for(x=0;x<5;x++)	
      {
        SBUF = XBYTE[0x000+x]; 
        while(TI==0);
        TI=0;
      }
  }