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<TITLE>Int 2F/AX=122Ah
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Int 2F/AX=122Ah - DOS 3.3+ internal - SET FASTOPEN ENTRY POINT -
AX = 122Ah
BX = entry point to set (0001h or 0002h)
DS:SI - FASTOPEN entry point (see #02611,#02612)
(entry point not set if SI = FFFFh for DOS 4.0+)
Return: CF set if specified entry point already set
Notes: entry point in BX is ignored under DOS 3.30
both entry points set to same handler by DOS 4.01
DOS 5.0 and 6.0 only set entry point 1
(Table 02611)
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<h2>Int 2F/AX=122Ah
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<h3><font color=#C00040>DOS 3.3+ internal - SET FASTOPEN ENTRY POINT</font></h3>
<PRE>
AX = 122Ah
BX = entry point to set (0001h or 0002h)
DS:SI -> FASTOPEN entry point <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 #02611,#02612)
(entry point not set if SI = FFFFh for DOS 4.0+)<br>
<p><b>Return:</b><br>CF set if specified entry point already set
</PRE>
<p><b>Notes:</b>
Entry point in BX is ignored under DOS 3.30.
Both entry points set to same handler by DOS 4.01.
DOS 5.0 and 6.0 only set entry point 1
<PRE>
<p>
<a name=table2611></a>
(Table 02611)
Values DOS 3.30+ FASTOPEN entry point is called with:.
AL = 01h Lookup
CX = ??? seems to be offset
DI = ??? seems to be offset
SI = offset in DOS DS of filename.
AL = 02h insert file into FASTOPEN cache.
AL = 03h delete file from FASTOPEN cache
SI = offset in DOS DS of filename.
AL = 04h purge FASTOPEN cache
AH = subfunction (00h,01h,02h)
ES:DI -> ???
CX = ??? (subfunctions 01h and 02h only)
<p><b>Returns:</b><br>CF set on error or not installed
</PRE>
<p><b>Note:</b>
Function 03h calls function 01h first
<p><b>See Also:</b>
#02612 - #02613
<PRE>
<p>
<a name=table2612></a>
(Table 02612)
Values PC-DOS 4.01 FASTOPEN is additionally called with:.
AL = 04h ???
AH = 03h
???.
AL = 05h ???.
AL = 0Bh ???.
AL = 0Ch ???.
AL = 0Dh ???.
AL = 0Eh ???.
AL = 0Fh ???.
AL = 10h ???
</PRE>
<p><b>See Also:</b>
#02611 - #02613
<PRE>
<p>
<a name=table2613></a>
(Table 02613)
Values MS-DOS 5.0-6.0 FASTOPEN is additionally called with:.
AL = 04h purge FASTOPEN cache
AH = 03h
???.
AL = 05h ???
DL = drive (00h = A:)
???.
AL = 06h ???
???
</PRE>
<p><b>See Also:</b>
#02611 - #02612
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Int 2Fh</a>
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