#include <mc9s12dp512.h>
#define LED PORTA			
void MSDelay(unsigned int);
void main(void)
  {
    DDRB = 0xFF;			
    DDRA = 0xFF;			
    PORTB = 00;			
    LED = 0; 			
    for(;;)				
      {
        PORTB++;			
        LED++;			
        MSDelay(500);
      } 
  }
void MSDelay(unsigned int itime)
  {
    unsigned int i;
    unsigned int j;
    for(i=0;i<itime;i++)
      for(j=0;j<331;j++);
  }