69 lines
1.7 KiB
HTML
69 lines
1.7 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 33,21 - Reset Mouse Software</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_3480"></a>INT 33,21 - Reset Mouse
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Software</h1>
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<p> AX = 21h</p>
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<p> on return:</p>
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<p> AX = 0021 mouse driver not installed</p>
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<p> FFFF mouse driver installed</p>
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<p> BX = 2 mouse driver installed</p>
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<p> - similar to ~INT 33,0~ but does not reset the mouse hardware
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or</p>
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<p> display variables</p>
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<p> - both AX and BX must be correct for successful reset</p>
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<p> - interrupt routines set through ~INT 33,18~ are preserved</p>
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<p> - resets the mouse to the following defaults:</p>
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<p> . mouse is positioned to screen center</p>
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<p> . mouse cursor is reset and hidden</p>
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<p> . no interrupts are enabled (mask = 0)</p>
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<p> . double speed threshold set to 64 mickeys per second</p>
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<p> . horizontal mickey to pixel ratio (8 to 8)</p>
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<p> . vertical mickey to pixel ratio (16 to 8)</p>
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<p> . max width and height are set to maximum for video mode</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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