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<h2>
  <a name="1220456"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">in</font>
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<p>
  <a name="1220457"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">input message</font>
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<h3>
  <a name="1220458"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">Code</font>
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<p>
  <a name="1220459"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">F7</font>
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<h3>
  <a name="1220460"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">Description</font>
</h3>


<p>
  <a name="1220461"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">Input a message. The corresponding output is performed by an <strong>out</strong>, <strong>outword</strong> or <strong>outbyte</strong> instruction, and must specify a message of the same length. <span class=Signal>Areg</span> is the unsigned length in bytes, <span class=Signal>Breg</span> is a pointer to the channel and <span class=Signal>Creg</span> is a pointer to where the message is to be stored. The process executing <strong>in</strong> is descheduled if the channel is external or is not ready, and is rescheduled when the communication is complete.</font>
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<h3>
  <a name="1220462"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">Definition</font>
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<p>
  <a name="1220463"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif"><em>Synchronize, and input</em> <span class=Signal>Areg</span> <sub>unsigned</sub> <em>bytes from channel</em> <span class=Signal>Breg</span> <em>to address</em> <span class=Signal>Creg</span> <br><br><span class=Signal>Areg</span> <font face=symbol>

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