// Returns 1 if PIN window showing
int IsPinShowing()
{
  static TYPE_Win *fwPINwin = NULL;
  if(fwPINwin == NULL)
  {
    word *pOffset;
    InitTAPex();
    pOffset = (word*)FindInstructionSequence(
      "3c0481ce 0c04d10f 248418ac 3c058019 24a5b024 0c054ad5 3404e300 8fbf0014",
      "ffff0000 fc000000 ffff0000 ffff0000 ffff0000 fc000000 ffffffff ffff0000",
      0x80170000, 0x80210000, 0, FALSE);
    if(pOffset == NULL)
    {
      TAP_Print("No PINCode window - unsupported firmware (fw: %d:%x)\n",SysID,ApplID);
      return 0;
    }
    fwPINwin = (TYPE_Win*)((pOffset[1]<<16)+(short)pOffset[5]);
  }
  return fwPINwin->saveBuf != NULL;
}