-J2,crc=8005,,,,,=(CODE)0-1

Symbol      Checksum  Memory  Start      End       Initial value
------      --------  ------  -----      ---       -------------
__checksum    0xab7b   CODE   00000000 - 00000001  0x0000 (#0x0000)

#define POLY 0x8005
unsigned short slow_crc16(unsigned short sum, unsigned char __flash *p,
unsigned int len)
{
  while (len--)
  {
    int i;
    unsigned char byte = *(p++);
    for (i = 0; i < 8; ++i)
    {
      unsigned long osum = sum;
      sum <<= 1;
      if (byte & 0x80)
        sum |= 1;
      if (osum & 0x8000)
        sum ^= POLY;
      byte <<= 1;
    }
  }
  return sum;


unsigned short calc = 0;

/* Run the checksum algorithm */
calc = slow_crc16(calc, (unsigned char __flash*)0,(0x1));
}