173 lines
12 KiB
HTML
173 lines
12 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Int 21/AX=4404h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 21/AX=4404h - Stacker - GET DEVICE DRIVER ADDRESS AND SET VOLUME NUMBER -
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AX = 4404h
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BL = drive number (00h = default, 01h = A:, etc.)
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CX = 0004h
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DS:DX - DWORD buffer to receive device driver address
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Return: buffer filled with pointer into Stacker device driver (see #02550):
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driver + 19h if Stacker Anywhere controls this drive
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driver + 1Ah if Stacker controls this drive
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unchanged else
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Notes: in addition to returning the address of the Stacker device driver,
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this call also sets the volume number at offset 58h in the device
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">
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<META NAME="robots" CONTENT="none">
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</HEAD>
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<BODY BGCOLOR="#FFD0A0">
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<center>
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<h2>Int 21/AX=4404h
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</h2>
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</center><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<a href="rb-2871.htm" tppabs="http://www.ctyme.com/intr/rb-2871.htm">
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<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>Stacker - GET DEVICE DRIVER ADDRESS AND SET VOLUME NUMBER</font></h3>
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<PRE>
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AX = 4404h
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BL = drive number (00h = default, 01h = A:, etc.)
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CX = 0004h
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DS:DX -> DWORD buffer to receive device driver address<br>
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<p><b>Return:</b><br>Buffer filled with pointer into Stacker device driver (see #02550):
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driver + 19h if Stacker Anywhere controls this drive
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driver + 1Ah if Stacker controls this drive
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unchanged else
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</PRE>
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<p><b>Notes:</b>
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In addition to returning the address of the Stacker device driver,
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this call also sets the volume number at offset 58h in the device
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driver <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 #02550 at INT 25/AX=CDCDh).
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Stacker Anywhere does not link its built-in device driver into
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the standard device driver chain, but it can be found via CDS/DPB.
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This call can be used as an installation check for all versions of
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Stacker and Stacker Anywhere to avoid the INT 25 call
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<p><b>See Also:</b>
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<a href="rb-2890.htm" tppabs="http://www.ctyme.com/intr/rb-2890.htm">AX=4408h</a> - <a href="rb-2907.htm" tppabs="http://www.ctyme.com/intr/rb-2907.htm">AX=440Eh</a> - <a href="rb-2983.htm" tppabs="http://www.ctyme.com/intr/rb-2983.htm">AH=52h</a> - <a href="rb-4115.htm" tppabs="http://www.ctyme.com/intr/rb-4115.htm">INT 25/AX=CDCDh<
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<p>
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<b>Category: <a href="cat-017.htm" tppabs="http://www.ctyme.com/intr/cat-017.htm">
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File/Disk Compression</a>
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- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
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Int 21h</a>
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- <a href="alpha-s.htm" tppabs="http://www.ctyme.com/intr/alpha-s.htm">
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S</a>
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</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<a href="rb-2871.htm" tppabs="http://www.ctyme.com/intr/rb-2871.htm">
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<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
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<a href="rb-2873.htm" tppabs="http://www.ctyme.com/intr/rb-2873.htm">
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<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
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<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<FORM ACTION="https://secure.paypal.com/cgi-bin/webscr" tppabs="https://secure.paypal.com/cgi-bin/webscr" METHOD="POST" traget="_blank">
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<INPUT TYPE="hidden" NAME="cmd" VALUE="_xclick">
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<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
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<INPUT TYPE="hidden" NAME="return" VALUE="http://www.perkel.com">
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<INPUT TYPE="hidden" NAME="item_name" VALUE="Donation To Support this Site">
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<INPUT TYPE="hidden" NAME="no_intl" VALUE="1">
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<INPUT TYPE="image" SRC="x-click-but7.gif" tppabs="http://images.paypal.com/images/x-click-but7.gif" vspace=9
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NAME="submit" ALT="Make payments with PayPal - it's fast, free and secure!">
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