#include <mc9s12dp512.h>	
#define inbit PORTB_BIT0
#define outbit PORTA_BIT7
void main(void)
  {
    DDRB_BIT0 = 0;		
    DDRA_BIT7 = 1;		
    while(1)
      {
      outbit = inbit;	
      }
  }