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93 lines
4.1 KiB
HTML
93 lines
4.1 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This file documents the GNU Assembler "as".
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Copyright (C) 1991-2019 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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-->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>MMIX-Chars (Using as)</title>
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<meta name="description" content="MMIX-Chars (Using as)">
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<meta name="keywords" content="MMIX-Chars (Using as)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="MMIX_002dSyntax.html#MMIX_002dSyntax" rel="up" title="MMIX-Syntax">
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<link href="MMIX_002dSymbols.html#MMIX_002dSymbols" rel="next" title="MMIX-Symbols">
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<link href="MMIX_002dSyntax.html#MMIX_002dSyntax" rel="prev" title="MMIX-Syntax">
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<style type="text/css">
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a.summary-letter {text-decoration: none}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="MMIX_002dChars"></a>
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<div class="header">
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<p>
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Next: <a href="MMIX_002dSymbols.html#MMIX_002dSymbols" accesskey="n" rel="next">MMIX-Symbols</a>, Up: <a href="MMIX_002dSyntax.html#MMIX_002dSyntax" accesskey="u" rel="up">MMIX-Syntax</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Special-Characters-20"></a>
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<h4 class="subsubsection">9.27.3.1 Special Characters</h4>
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<a name="index-line-comment-characters_002c-MMIX"></a>
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<a name="index-MMIX-line-comment-characters"></a>
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<p>The characters ‘<samp>*</samp>’ and ‘<samp>#</samp>’ are line comment characters; each
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start a comment at the beginning of a line, but only at the beginning of a
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line. A ‘<samp>#</samp>’ prefixes a hexadecimal number if found elsewhere on a
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line. If a ‘<samp>#</samp>’ appears at the start of a line the whole line is
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treated as a comment, but the line can also act as a logical line
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number directive (see <a href="Comments.html#Comments">Comments</a>) or a preprocessor control command
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(see <a href="Preprocessing.html#Preprocessing">Preprocessing</a>).
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</p>
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<p>Two other characters, ‘<samp>%</samp>’ and ‘<samp>!</samp>’, each start a comment anywhere
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on the line. Thus you can’t use the ‘<samp>modulus</samp>’ and ‘<samp>not</samp>’
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operators in expressions normally associated with these two characters.
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</p>
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<p>A ‘<samp>;</samp>’ is a line separator, treated as a new-line, so separate
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instructions can be specified on a single line.
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</p>
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</body>
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</html>
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