87 lines
1.8 KiB
HTML
87 lines
1.8 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 14,4 - Serial Port Extended Initialization (PS/2 &
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later systems)</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_0730"></a>INT 14,4 - Serial Port
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Extended Initialization (PS/2 & later systems)</h1>
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<p> AH = 04</p>
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<p> AL = break setting</p>
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<p> BH = parity setting</p>
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<p> BL = stop bit setting</p>
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<p> CH = word length setting</p>
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<p> CL = baud rate setting</p>
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<p> DX = zero based serial port number (0-3)</p>
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<p> % --- Break Setting ---</p>
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<p> 1 = break</p>
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<p> 0 = no break</p>
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<p> % ----- Parity Setting ----- --- Stop Bit Setting ---</p>
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<p> 0 = no parity 0 = one stop bit</p>
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<p> 1 = odd parity 1 = 2 stop bits</p>
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<p> 2 = even parity 1½ if register CH=0</p>
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<p> 3 = stick parity odd (5 bit word length)</p>
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<p> 4 = stick parity even</p>
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<p> % -- Word Length Setting -- ---- Baud rate Setting ----</p>
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<p> 0 = 5 bits 0 = 110 5 = 2400</p>
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<p> 1 = 6 bits 1 = 150 6 = 4800</p>
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<p> 2 = 7 bits 2 = 300 7 = 9600</p>
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<p> 3 = 8 bits 3 = 600 8 = 19200</p>
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<p> 4 = 1200</p>
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<p> on return:</p>
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<p> AH = port status</p>
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<p> AL = modem status</p>
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<p> - for status bits see ~INT 14,STATUS~</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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