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74 lines
3.0 KiB
HTML
74 lines
3.0 KiB
HTML
4 years ago
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<html lang="en">
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<head>
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<title>Irp - Using as</title>
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<meta http-equiv="Content-Type" content="text/html">
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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="Pseudo-Ops.html#Pseudo-Ops" title="Pseudo Ops">
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<link rel="prev" href="Internal.html#Internal" title="Internal">
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<link rel="next" href="Irpc.html#Irpc" title="Irpc">
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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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-->
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<meta http-equiv="Content-Style-Type" content="text/css">
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<style type="text/css"><!--
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pre.display { font-family:inherit }
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pre.format { font-family:inherit }
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pre.smalldisplay { font-family:inherit; font-size:smaller }
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pre.smallformat { font-family:inherit; font-size:smaller }
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pre.smallexample { font-size:smaller }
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pre.smalllisp { font-size:smaller }
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span.sc { font-variant:small-caps }
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span.roman { font-family:serif; font-weight:normal; }
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span.sansserif { font-family:sans-serif; font-weight:normal; }
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--></style>
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</head>
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<body>
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<div class="node">
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<a name="Irp"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Irpc.html#Irpc">Irpc</a>,
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Previous: <a rel="previous" accesskey="p" href="Internal.html#Internal">Internal</a>,
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Up: <a rel="up" accesskey="u" href="Pseudo-Ops.html#Pseudo-Ops">Pseudo Ops</a>
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<hr>
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</div>
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<h3 class="section">7.46 <code>.irp </code><var>symbol</var><code>,</code><var>values</var><small class="dots">...</small></h3>
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<p><a name="index-g_t_0040code_007birp_007d-directive-382"></a>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>For example, assembling
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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>
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<p>is equivalent to assembling
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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>
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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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</body></html>
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