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62 lines
2.7 KiB
HTML
62 lines
2.7 KiB
HTML
<html lang="en">
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<title>Chars - Using as</title>
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<meta name="description" content="Using as">
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<meta name="generator" content="makeinfo 4.13">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Characters.html#Characters" title="Characters">
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<link rel="prev" href="Strings.html#Strings" title="Strings">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991-2015 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled ``GNU Free Documentation License''.
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</head>
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<body>
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<div class="node">
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<a name="Chars"></a>
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<p>
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Previous: <a rel="previous" accesskey="p" href="Strings.html#Strings">Strings</a>,
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Up: <a rel="up" accesskey="u" href="Characters.html#Characters">Characters</a>
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<hr>
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</div>
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<h5 class="subsubsection">3.6.1.2 Characters</h5>
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<p><a name="index-single-character-constant-164"></a><a name="index-character_002c-single-165"></a><a name="index-constant_002c-single-character-166"></a>A single character may be written as a single quote immediately
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followed by that character. The same escapes apply to characters as
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to strings. So if you want to write the character backslash, you
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must write <kbd>'\\</kbd> where the first <code>\</code> escapes the second
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<code>\</code>. As you can see, the quote is an acute accent, not a
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grave accent. A newline
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immediately following an acute accent is taken as a literal character
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and does not count as the end of a statement. The value of a character
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constant in a numeric expression is the machine's byte-wide code for
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that character. <samp><span class="command">as</span></samp> assumes your character code is ASCII:
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<kbd>'A</kbd> means 65, <kbd>'B</kbd> means 66, and so on.
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</body></html>
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