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oldlinux-files/docs/interrupts/int-html/rb-2913.htm
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<TITLE>Int 21/AX=4412h
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Int 21/AX=4412h - DR DOS 5.0-6.0 - DETERMINE DOS TYPE -
AX = 4412h
CF set
Return: CF set if not DR DOS
AX = error code (see #01680 at AH=59h/BX=0000h)
CF clear if DR DOS
DX = AX = version code (see #01580)
Note: this obsolete call, which is no longer supported in Novell DOS 7, is
identical to AX=4452h
SeeAlso: AX=4452h
">
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<h2>Int 21/AX=4412h
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<h3><font color=#C00040>DR DOS 5.0-6.0 - DETERMINE DOS TYPE</font></h3>
<PRE>
AX = 4412h
CF set<br>
<p><b>Return:</b><br>CF set if not DR DOS
AX = error code <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
CF clear if DR DOS
DX = AX = version code <a href="rb-2920.htm#Table1580" tppabs="http://www.ctyme.com/intr/rb-2920.htm#Table1580">(see #01580)</a>
</PRE>
<p><b>Note:</b>
This obsolete call, which is no longer supported in Novell DOS 7, is
identical to AX=4452h
<p><b>See Also:</b>
<a href="rb-2920.htm" tppabs="http://www.ctyme.com/intr/rb-2920.htm">AX=4452h</a>
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Int 21h</a>
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