1unsigned short code = 0x0000;
2unsigned short  low = 0x4000;
3unsigned short high = 0xb000;
4
5int main (void)
6{
7  if (
8         (high & 0x8000) != (low & 0x8000)
9      && ( low & 0x4000) == 0x4000
10      && (high & 0x4000) == 0
11      )
12    {
13      code ^= 0x4000;
14      low  |= 0x4000;
15    }
16
17  exit (0);
18}
19