#include <reg51.h>
sbit MYSW=P2^0;				
void main(void)
  {
    unsigned char z;
    unsigned char fname[]="ALI";
    unsigned char lname[]="SMITH";
    TMOD=0x20;				
    TH1=0xFD;				
    SCON=0x50;
    TR1=1;					
    if(MYSW==0)				
      {
        for(z=0;z<3;z++)		
          {
            SBUF=fname[z];		
            while(TI==0);		
            TI=0;
          }
      }
    else
      {
        for(z=0;z<5;z++)		
          {
            SBUF=lname[z];		
            while(TI==0);		
            TI=0;
          }
      }
  }