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oldlinux-files/docs/interrupts/int-html/rb-3999.htm
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<TITLE>Int 21/AH=F8h
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Int 21/AH=F8h - DoubleDOS - SET/RESET KEYBOARD CONTROL FLAGS -
AH = F8h
AL = program for which to set flags
00h this program
01h other program
DX = keyboard control flags (see #02088 at AH=E8hDoubleDOS)
Return: DX = previous flags
Notes: disabling Ctrl-PrtSc will allow the program to intercept the keystroke;
disabling any of the other keystrokes disables them completely
this function is identical to AH=E8h
SeeAlso: AH=E8hDoubleDOS,AH=F1hDoubleDOS,AH=F2hDoubleDOS
">
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<h2>Int 21/AH=F8h
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<h3><font color=#C00040>DoubleDOS - SET/RESET KEYBOARD CONTROL FLAGS</font></h3>
<PRE>
AH = F8h
AL = program for which to set flags
00h this program
01h other program
DX = keyboard control flags <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 #02088 at AH=E8h"DoubleDOS")<br>
<p><b>Return:</b><br>DX = previous flags
</PRE>
<p><b>Notes:</b>
Disabling Ctrl-PrtSc will allow the program to intercept the keystroke;
disabling any of the other keystrokes disables them completely.
This function is identical to AH=E8h
<p><b>See Also:</b>
<a href="rb-3598.htm" tppabs="http://www.ctyme.com/intr/rb-3598.htm">AH=E8h"DoubleDOS"</a> - <a href="rb-3647.htm" tppabs="http://www.ctyme.com/intr/rb-3647.htm">AH=F1h"DoubleDOS"</a> - <a href="rb-3651.htm" tppabs="http://www.ctyme.com/intr/rb-3651.htm">AH=F2h"DoubleDOS"</a>
<p><b>See Also:</b>
<a href="rb-3993.htm" tppabs="http://www.ctyme.com/intr/rb-3993.htm">AH=F3h"DoubleDOS"</a>
<p>
<b>Category: <a href="cat-011.htm" tppabs="http://www.ctyme.com/intr/cat-011.htm">
DOS-Based Task Switchers/Multitaskers</a>
- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
Int 21h</a>
- <a href="alpha-d.htm" tppabs="http://www.ctyme.com/intr/alpha-d.htm">
D</a>
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