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103 lines
4.0 KiB
HTML
103 lines
4.0 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>Irp (Using as)</title>
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<meta name="description" content="Irp (Using as)">
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<meta name="keywords" content="Irp (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="Pseudo-Ops.html#Pseudo-Ops" rel="up" title="Pseudo Ops">
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<link href="Irpc.html#Irpc" rel="next" title="Irpc">
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<link href="Internal.html#Internal" rel="prev" title="Internal">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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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="Irp"></a>
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<div class="header">
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<p>
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Next: <a href="Irpc.html#Irpc" accesskey="n" rel="next">Irpc</a>, Previous: <a href="Internal.html#Internal" accesskey="p" rel="prev">Internal</a>, Up: <a href="Pseudo-Ops.html#Pseudo-Ops" accesskey="u" rel="up">Pseudo Ops</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="g_t_002eirp-symbol_002cvalues_2026"></a>
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<h3 class="section">7.49 <code>.irp <var>symbol</var>,<var>values</var></code>…</h3>
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<a name="index-irp-directive"></a>
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<p>Evaluate a sequence of statements assigning different values to <var>symbol</var>.
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The sequence of statements starts at the <code>.irp</code> directive, and is
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terminated by an <code>.endr</code> directive. For each <var>value</var>, <var>symbol</var> is
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set to <var>value</var>, and the sequence of statements is assembled. If no
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<var>value</var> is listed, the sequence of statements is assembled once, with
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<var>symbol</var> set to the null string. To refer to <var>symbol</var> within the
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sequence of statements, use <var>\symbol</var>.
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</p>
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<p>For example, assembling
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</p>
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<div class="example">
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<pre class="example"> .irp param,1,2,3
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move d\param,sp@-
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.endr
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</pre></div>
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<p>is equivalent to assembling
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</p>
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<div class="example">
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<pre class="example"> move d1,sp@-
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move d2,sp@-
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move d3,sp@-
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</pre></div>
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<p>For some caveats with the spelling of <var>symbol</var>, see also <a href="Macro.html#Macro">Macro</a>.
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</p>
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</body>
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</html>
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