56 lines
1.3 KiB
HTML
56 lines
1.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
|
|
|
|
<html>
|
|
|
|
<head>
|
|
<meta http-equiv="Content-Type"
|
|
content="text-html; charset=Windows-1252">
|
|
<title>INT 21,1C - Get Allocation Table Info for Specified Drive</title>
|
|
<meta name="FORMATTER" content="Microsoft FrontPage 2.0">
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<h1><a name="kap_interrupt_1730"></a>INT 21,1C - Get Allocation
|
|
Table Info for Specified Drive</h1>
|
|
|
|
<p> AH = 1C</p>
|
|
|
|
<p> DL = drive number (0 for default, 1 = A:, Z: = 26)</p>
|
|
|
|
<p> on return:</p>
|
|
|
|
<p> AL = sectors per cluster</p>
|
|
|
|
<p> CX = bytes per sector</p>
|
|
|
|
<p> DX = clusters on disk</p>
|
|
|
|
<p> DS:BX = pointer to ~Media Descriptor Byte~ found in ~FAT~</p>
|
|
|
|
<p> - retrieves information on capacity and format of specified
|
|
drive</p>
|
|
|
|
<p> - DS:BX can be used to determine if drive is RAMDISK or
|
|
removable</p>
|
|
|
|
<p> - see ~INT 21,1B~</p>
|
|
|
|
<hr>
|
|
|
|
<table border="0" width="100%" cols="3">
|
|
<tr>
|
|
<td width="33%">Zurück zum <a href="inte1at0.htm">Interrupt
|
|
Info</a>. </td>
|
|
<td align="center" width="33%"><a
|
|
href="mailto:Roger.Morgan@htl-steyr.ac.at">Roger Morgan</a>
|
|
/ 1998 </td>
|
|
<td align="right" width="33%"><font size="1">L.Änderung <!--webbot
|
|
bot="Timestamp" s-type="EDITED" s-format="%d.%m.%y"
|
|
startspan -->29.03.99<!--webbot bot="Timestamp" endspan
|
|
i-checksum="13964" --> </font></td>
|
|
</tr>
|
|
</table>
|
|
</body>
|
|
</html>
|