54 lines
1.4 KiB
HTML
54 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 28 - DOS Idle Loop / Scheduler (Undocumented)</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_2890"></a>INT 28 - DOS Idle Loop /
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Scheduler (Undocumented)</h1>
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<p> - issued by DOS during keyboard poll loop</p>
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<p> - indicates DOS may be carefully re-entered by TSR</p>
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<p> - used by TSR programs to popup and make DOS disk I/O calls</p>
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<p> - supported by OS/2 compatibility box</p>
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<p> - default behavior is to simply perform an ~IRET~</p>
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<p> - any DOS functions above 0Ch may be called while in this
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handler</p>
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<p> - ~INT 21,3F~ and ~INT 21,40~ may not use a handle that
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refers to</p>
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<p> CON while in this handler</p>
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<p> - see also ~INDOS~</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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