#include <mc9s12dp512.h>
#define PB0 PORTB_BIT0;
void main(void)
  { 
    unsigned char x;
    unsigned char temp;
    unsigned char REGA=0;
    DDRB_BIT0 = 0;	     
    DDRA = 0xFF;			
    for(x=0;x<8;x++)
      {
       temp = PB0;		
       temp = temp & 0x01;	
       temp = temp << 7;	
       REGA = REGA | temp;	
       REGA = REGA >> 1;	
      }
    PORTA = REGA; 		
  }