#include <hidef.h>      
#include <mc9s12dp512.h>     
#pragma LINK_INFO DERIVATIVE "mc9s12dp512"
void main(void) {
  
  DDRB = 0xFF; 
  DDRA = 0x00; 
  SCI0BDH = 0x00;
  SCI0BDL = 0x0D;
  SCI0CR1 = 0x00;
  SCI0CR2 = 0x8C; 	
  __asm CLI;
  for(;;)
    PORTB = PORTA;	
}
interrupt (((0x10000-Vsci0)/2)-1) void SCI0_ISR(void) {
  if(SCI0SR1_TDRE_MASK & SCI0SR1) {
    SCI0DRL = PORTA;
  }
}