175 lines
12 KiB
HTML
175 lines
12 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Int 16/AH=00h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 16/AH=00h - KEYBOARD - GET KEYSTROKE -
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AH = 00h
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Return: AH = BIOS scan code
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AL = ASCII character
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Notes: on extended keyboards, this function discards any extended keystrokes,
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returning only when a non-extended keystroke is available
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the BIOS scan code is usually, but not always, the same as the hardware
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scan code processed by INT 09. It is the same for ASCII keystrokes
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and most unshifted special keys (F-keys, arrow keys, etc.), but
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differs for shifted special keys
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some (older) clone BIOSes do not discard extended keystrokes and manage
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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 16/AH=00h
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</h2>
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</center><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>KEYBOARD - GET KEYSTROKE</font></h3>
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<PRE>
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AH = 00h<br>
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<p><b>Return:</b><br>AH = BIOS scan code
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AL = ASCII character
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</PRE>
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<p><b>Notes:</b>
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On extended keyboards, this function discards any extended keystrokes,
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returning only when a non-extended keystroke is available.
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The BIOS scan code is usually, but not always, the same as the hardware
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scan code processed by INT 09. It is the same for ASCII keystrokes
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and most unshifted special keys (F-keys, arrow keys, etc.), but
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differs for shifted special keys.
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Some (older) clone BIOSes do not discard extended keystrokes and manage
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function AH=00h and AH=10h the same.
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The K3PLUS v6.00+ INT 16 BIOS replacement doesn't discard extended
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keystrokes (same as with functions 10h and 20h), but will always
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translate prefix E0h to 00h. This allows old programs to use extended
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keystrokes and should not cause compatibility problems
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<p><b>See Also:</b>
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<a href="rb-1755.htm" tppabs="http://www.ctyme.com/intr/rb-1755.htm">AH=01h</a> - <a href="rb-1761.htm" tppabs="http://www.ctyme.com/intr/rb-1761.htm">AH=05h</a> - <a href="rb-1771.htm" tppabs="http://www.ctyme.com/intr/rb-1771.htm">AH=10h</a> - <a href="rb-1776.htm" tppabs="http://www.ctyme.com/intr/rb-1776.htm">AH=20h</a> - <a href
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"javascript:if(confirm('http://www.ctyme.com/intr/<p \n\nThis file was not retrieved by Teleport Pro, because the server reports that this file cannot be found. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/<p'" tppabs="http://www.ctyme.com/intr/<p"><b>See Also:</b>
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<a href="rb-0045.htm" tppabs="http://www.ctyme.com/intr/rb-0045.htm">INT 09</a> - <a href="rb-1387.htm" tppabs="http://www.ctyme.com/intr/rb-1387.htm">INT 15/AH=4Fh</a>
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<p>
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<b>Category: <a href="cat-003.htm" tppabs="http://www.ctyme.com/intr/cat-003.htm">
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Bios</a>
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- <a href="int-16.htm" tppabs="http://www.ctyme.com/intr/int-16.htm">
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Int 16h</a>
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K</a>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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