 emulator. Effective performance does not always
scale in direct relationship with &lt;delay&gt; values.</p>
</td>
</tr>
<tr>
  <td><code>-gps &lt;device&gt;</code></td>
  <td>Redirect NMEA GPS to character device.</td>
  <td>Use this command to emulate an NMEA-compatible GPS unit connected to
  an external character device or socket. The format of <code>&lt;device&gt;</code> must be QEMU-specific
  serial device specification. See the documentation for 'serial -dev' at
  <a href="http://wiki.qemu.org/downl