#include <mc9s12dp512.h>
void main(void)
  { 
    unsigned char mydata[] = {0x25,0x62,0x3F,0x52,0xE8};
    unsigned char chksum = 0;
    unsigned char x;
    DDRB = 0xFF;					
    for(x=0;x<5;x++)
      chksum = chksum + mydata[x];		
    if(chksum == 0)
      PORTB = 'G';
    else
      PORTB = 'B';
  }