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oldlinux-files/docs/interrupts/int-html/rb-2831.htm
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<TITLE>Int 21/AX=4402h
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Int 21/AX=4402h - Quarterdeck - HOOKROM.SYS - GET HOOKED VECTOR TABLE -
AX = 4402h
BX = file handle for device HOOKROM$
CX = 0004h
DS:DX - DWORD buffer for address of hooked vector table (see #01451)
Return: CF clear if successful
DS:DX buffer filled
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
SeeAlso: AX=4402h/SF=01h
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<h2>Int 21/AX=4402h
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<h3><font color=#C00040>Quarterdeck - HOOKROM.SYS - GET HOOKED VECTOR TABLE</font></h3>
<PRE>
AX = 4402h
BX = file handle for device "HOOKROM$"
CX = 0004h
DS:DX -> DWORD buffer for address of hooked vector table <a href="rb-2831.htm#Table1451" tppabs="http://www.ctyme.com/intr/rb-2831.htm#Table1451">(see #01451)</a><br>
<p><b>Return:</b><br>CF clear if successful
DS:DX buffer filled
CF set on error
AX = error code (01h,05h,06h,0Dh) <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)
</PRE>
<p><b>See Also:</b>
<a href="rb-2848.htm" tppabs="http://www.ctyme.com/intr/rb-2848.htm">AX=4402h/SF=01h</a>
<PRE>
<p>
Format of HOOKROM.SYS hooked vector table entry:
<a name=table1451></a>
Offset Size Description (Table 01451)
00h 5 BYTEs FAR jump to actual interrupt handler
(end of table if first byte is not EAh)
05h BYTE interrupt vector number
</PRE>
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DESQview/TopView and Quarterdeck Programs</a>
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