173 lines
11 KiB
HTML
173 lines
11 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Int 21/AH=65h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 21/AH=65h - DOS 4.0+ - COUNTRY-DEPENDENT CHARACTER CAPITALIZATION -
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AH = 65h
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AL = function
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20h capitalize character
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DL = character to capitalize
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Return: DL = capitalized character
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21h capitalize string
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DS:DX - string to capitalize
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CX = length of string
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22h capitalize ASCIZ string
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DS:DX - ASCIZ string to capitalize
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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/AH=65h
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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-3163.htm" tppabs="http://www.ctyme.com/intr/rb-3163.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-3165.htm" tppabs="http://www.ctyme.com/intr/rb-3165.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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<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>DOS 4.0+ - COUNTRY-DEPENDENT CHARACTER CAPITALIZATION</font></h3>
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<PRE>
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AH = 65h
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AL = function
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20h capitalize character
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DL = character to capitalize
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<p><b>Return:</b><br>DL = capitalized character
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21h capitalize string
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DS:DX -> string to capitalize
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CX = length of string
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22h capitalize ASCIZ string
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DS:DX -> ASCIZ string to capitalize<br>
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<p><b>Return:</b><br>CF set on error
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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)
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CF clear if successful
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</PRE>
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<p><b>Note:</b>
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These calls have been documented for DOS 5+, but were undocumented in
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DOS 4.x.
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<p><b>BUG:</b>
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Novell DOS 7 Update 15 crashes on AX=6521h when CX=0000h
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<p>
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<b>Category: <a href="cat-010.htm" tppabs="http://www.ctyme.com/intr/cat-010.htm">
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DOS Kernel</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-d.htm" tppabs="http://www.ctyme.com/intr/alpha-d.htm">
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D</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-3163.htm" tppabs="http://www.ctyme.com/intr/rb-3163.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-3165.htm" tppabs="http://www.ctyme.com/intr/rb-3165.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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<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
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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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<center>
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border=3 height=60 width=468></a>
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<!-- Ad End --->
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</center>
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<FORM ACTION="http://service.bfast.com/bfast/click" target="_blank">
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<INPUT TYPE="hidden" NAME="siteid" VALUE="30472466" >
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<INPUT TYPE="hidden" NAME="bfpage" VALUE="horizontal">
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<INPUT TYPE="hidden" NAME="bfmid" VALUE="27253343" >
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<table bgcolor=white border=3><tr><td>
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