#include <mc9s12dp512.h>
void main(void)
  {
    unsigned char bcdbyte;
    volatile unsigned char w = '4';
    volatile unsigned char z = '7';
    DDRB = 0xFF;			
    w = w & 0x0F;			
    w = w << 4;			
    z = z & 0x0F;			
    bcdbyte = w | z;		
    PORTB = bcdbyte;
  }