56 lines
1.4 KiB
HTML
56 lines
1.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type"
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content="text-html; charset=Windows-1252">
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<title>INT 14,1 - Send Character to Communications Port</title>
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<meta name="FORMATTER" content="Microsoft FrontPage 2.0">
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</head>
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<body>
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<h1><a name="kap_interrupt_0700"></a>INT 14,1 - Send Character to
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Communications Port</h1>
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<p> AH = 01</p>
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<p> AL = character to send</p>
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<p> DX = zero based serial port number (0-1) (0-3 for AT)</p>
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<p> on return:</p>
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<p> AH = port status (see ~INT 14,STATUS~)</p>
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<p> bit 7=0 indicates success</p>
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<p> bit 7=1 indicates error, bits 0-6 indicate cause</p>
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<p> - ~INT 14,3~ should be used to determine the actual cause</p>
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<p> of the error since the time-out bit of the status register</p>
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<p> is always set during an error on this call</p>
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<p> - uses hardware flow control</p>
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<hr>
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<table border="0" width="100%" cols="3">
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<tr>
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<td width="33%">Zurück zum <a href="inte1at0.htm">Interrupt
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Info</a>. </td>
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<td align="center" width="33%"><a
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href="mailto:Roger.Morgan@htl-steyr.ac.at">Roger Morgan</a>
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/ 1998 </td>
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<td align="right" width="33%"><font size="1">L.Änderung <!--webbot
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bot="Timestamp" s-type="EDITED" s-format="%d.%m.%y"
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startspan -->29.03.99<!--webbot bot="Timestamp" endspan
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i-checksum="13964" --> </font></td>
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</tr>
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</table>
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</body>
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</html>
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