83 lines
1.9 KiB
HTML
83 lines
1.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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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 21,57 - Get/Set File Date and Time Using Handle</title>
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<meta name="FORMATTER" content="Microsoft FrontPage 2.0">
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<body>
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<h1><a name="kap_interrupt_2490"></a>INT 21,57 - Get/Set File
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Date and Time Using Handle</h1>
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<p> AH = 57h</p>
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<p> AL = 00 get date and time</p>
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<p> = 01 set date and time</p>
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<p> = 02 ??? (DOS 4.0+ undocumented)</p>
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<p> = 03 ??? (DOS 4.0+ undocumented) </p>
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<p> = 04 ??? (DOS 4.0+ undocumented)</p>
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<p> BX = file handle</p>
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<p> CX = time to set (if setting)</p>
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<p> DX = date to set (if setting)</p>
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<p> ES:DI = pointer to buffer to contain results</p>
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<p> on return:</p>
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<p> AX = error code if CF set (see ~DOS ERROR CODES~)</p>
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<p> CX = file time (if reading, see below)</p>
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<p> DX = file date (if reading, see below)</p>
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<p> % Time encoding:</p>
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<p> ¦F¦E¦D¦C¦B¦A¦9¦8¦7¦6¦5¦4¦3¦2¦1¦0¦ Time in CX</p>
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<p> ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ +------------ two second
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incr (0-29)</p>
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<p> ¦ ¦ ¦ ¦ ¦ +----------------------- minutes 0-59)</p>
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<p> +-------------------------------- hours (0-29)</p>
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<p> % Date Encoding</p>
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<p> ¦F¦E¦D¦C¦B¦A¦9¦8¦7¦6¦5¦4¦3¦2¦1¦0¦ Date in DX</p>
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<p> ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ +------------ day (1-31)</p>
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<p> ¦ ¦ ¦ ¦ ¦ ¦ ¦ +------------------- month (1-12)</p>
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<p> +-------------------------------- year - 1980</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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