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tibasicc


			
				
					
						
						
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  <title>TI-92 Link Protocol Guide - OS version</title>
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<b>TI-92 Link Protocol Guide</b> - Getting OS version
<center>
<h2>
<hr align="center">OS version</h2>
</center>
<p><br>
By requesting the main\version, the calculator returns ROM version. </p>
<p> </p>
<h4> </h4>
<p> </p>
<h4> <a name="rts"></a>Getting OS version only<br>
</h4>
Indeed, the request is like requesting a backup.
<p>The protocol for silently receiving the version is shown below:
<table nosave="" bgcolor="#ffffff" border="1" cellspacing="0"
 width="92%">
  <tbody>
    <tr>
      <th bgcolor="#008800" width="7%"><font color="#ffffff">Step</font></th>
      <th colspan="3" bgcolor="#008800"><font color="#ffffff">Direction</font></th>
      <th bgcolor="#008800" width="80%"><font color="#ffffff">Packet</font></th>
    </tr>
    <tr nosave="">
      <td bgcolor="#ffffff" width="7%">
      <center>1&nbsp;</center>
      </td>
      <td rowspan="4" nosave="">
      <center><img src="graphics/comp.gif" alt="Computer" align="bottom"
 border="0" height="33" width="30"> </center>
      </td>
      <td bgcolor="#ffffff">
      <center><img src="graphics/right.gif" alt="===&gt;" align="bottom"
 border="0" height="13" width="22"> </center>
      </td>
      <td rowspan="4" nosave="">
      <center><img src="graphics/calc.gif" alt="Calculator"
 align="bottom" border="0" height="35" width="60"> </center>
      </td>
      <td bgcolor="#ffffff" width="80%"> REQ with <a
 href="packet.html#reqbackup">request-style backup header</a>. Name is
"main\version". </td>
    </tr>
    <tr>
      <td bgcolor="#ffffff" width="7%">
      <center>2&nbsp;</center>
      </td>
      <td bgcolor="#ffffff">
      <center><img src="graphics/left.gif" alt="&lt;===" align="bottom"
 border="0" height="13" width="22"> </center>
      </td>
      <td bgcolor="#ffffff" width="80%">ACK</td>
    </tr>
    <tr>
      <td bgcolor="#ffffff" width="7%">
      <center>3&nbsp;</center>
      </td>
      <td bgcolor="#ffffff">
      <center>
      <center>
      <center><img src="graphics/left.gif" alt="&lt;===" align="bottom"
 border="0" height="13" width="22"> </center>
      </center>
      </center>
      </td>
      <td bgcolor="#ffffff" width="80%">VAR with <a
 href="packet.html#backup">data-style backup header</a>.</td>
    </tr>
    <tr>
      <td bgcolor="#ffffff" width="7%">
      <center>4&nbsp;</center>
      </td>
      <td bgcolor="#ffffff">
      <center>
      <center>
      <center><img src="graphics/right.gif" alt="===&gt;" align="bottom"
 border="0" height="13" width="22"> </center>
      </center>
      </center>
      </td>
      <td bgcolor="#ffffff" width="80%">ERR</td>
    </tr>
  </tbody>
</table>
</p>
<p></p>
<p><u>Example (PC requesting version):</u>
<table nosave="" border="0" cellspacing="0" width="100%">
  <tbody>
    <tr bgcolor="#ffcccc">
      <td bgcolor="#ccffcc">PC:</td>
      <td bgcolor="#ccffcc" width="50%"><tt><b>09 A2 12 00 </b>00 00
00 00 1D 0C 6D 61 69 6E 5C 76 65 72 73 69 6F 6E<b> 30 05<br>
      </b></tt></td>
      <td bgcolor="#ccffcc" width="50%"><i>Request informations</i></td>
    </tr>
    <tr bgcolor="#ffcccc">
      <td bgcolor="#ffcccc">TI:</td>
      <td bgcolor="#ffcccc" width="50%"><b><tt>89 56 00 00</tt></b></td>
      <td bgcolor="#ffcccc" width="50%"><i>Acknowledgement of REQ</i></td>
    </tr>
    <tr bgcolor="#ffcccc">
      <td bgcolor="#ffcccc">TI:</td>
      <td bgcolor="#ffcccc" width="50%"><b><tt>89 06 0A 00 </tt></b><tt>00
04 00 00 1D 04 31 2E 31 31</tt><b><tt> E6 00<br>
      </tt></b></td>
      <td bgcolor="#ffcccc" width="50%"><i>Variabel header (name is
"1.11")<br>
      </i></td>
    </tr>
    <tr bgcolor="#ffcccc">
      <td bgcolor="#ccffcc">PC:</td>
      <td bgcolor="#ccffcc" width="50%"><b><tt>09 5A 00 00 00 00<br>
      </tt></b></td>
      <td bgcolor="#ccffcc" width="50%"><i>Error<br>
      </i></td>
    </tr>
  </tbody>
</table>
</p>
<p></p>
<h4> </h4>
<p></p>
<p></p>
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<hr align="center"><i>Site maintained by Romain Li&eacute;vin (<a
 href="mailto:roms@lpg.ticalc.org">roms@lpg.ticalc.org</a>) and Tim
Singer
(<a href="mailto:tsinger@gladstone.uoregon.edu">tsinger@gladstone.uoregon.edu</a>)</i>
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