#include <mc9s12dp512.h>
unsigned char F_WRT(void);
unsigned char F_ERASE(void);
unsigned char data[4] @0x4400;
unsigned char R1;
unsigned char ret;
void main(void) {
  DDRB = 0xFF;
  R1 = 0;
  data[R1++] = 'Y';		
  data[R1++] = 'E';
  ret =F_WRT();
  data[R1++] = 'S';
  data[R1++] = ' ';
  ret = F_WRT();
  for(R1=0;R1 < 4; R1++)	
    { data[R1] = 0;
      ret = F_ERASE();
    }
  
  
  for(R1=0;R1 < 4; R1++)
    { PORTB = data[R1]; }
  for(;;) {} 
}
unsigned char F_ERASE(void) {
  FCMD	= 0x40; 
  FSTAT	= 0x80; 
  ret = 0xFF; 
  if(!FSTAT&&FSTAT_PVIOL_MASK)
    if(!FSTAT&&FSTAT_ACCERR_MASK)
      ret = 0x00; 
  return ret;
  }
unsigned char F_WRT(void) {  
  FCMD	= 0x20; 
  FSTAT	= 0x80; 
  ret = 0xFF; 
  if(!FSTAT&&FSTAT_PVIOL_MASK)
    if(!FSTAT&&FSTAT_ACCERR_MASK)
      ret = 0x00; 
  return ret;
  }