68 lines
3.1 KiB
HTML
68 lines
3.1 KiB
HTML
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<html lang="en">
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<head>
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<title>Fill - Using as</title>
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<meta name="description" content="Using as">
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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 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, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
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2006, 2007 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 1.1
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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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man end-->
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<style type="text/css"><!--
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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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<p>
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<a name="Fill"></a>Next: <a rel="next" accesskey="n" href="Float.html#Float">Float</a>,
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Previous: <a rel="previous" accesskey="p" href="File.html#File">File</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><br>
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</div>
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<h3 class="section">7.53 <code>.fill </code><var>repeat</var><code> , </code><var>size</var><code> , </code><var>value</var></h3>
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<p><a name="index-_0040code_007bfill_007d-directive-329"></a><a name="index-writing-patterns-in-memory-330"></a><a name="index-patterns_002c-writing-in-memory-331"></a><var>repeat</var>, <var>size</var> and <var>value</var> are absolute expressions.
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This emits <var>repeat</var> copies of <var>size</var> bytes. <var>Repeat</var>
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may be zero or more. <var>Size</var> may be zero or more, but if it is
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more than 8, then it is deemed to have the value 8, compatible with
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other people's assemblers. The contents of each <var>repeat</var> bytes
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is taken from an 8-byte number. The highest order 4 bytes are
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zero. The lowest order 4 bytes are <var>value</var> rendered in the
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byte-order of an integer on the computer <span class="command">as</span> is assembling for.
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Each <var>size</var> bytes in a repetition is taken from the lowest order
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<var>size</var> bytes of this number. Again, this bizarre behavior is
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compatible with other people's assemblers.
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<p><var>size</var> and <var>value</var> are optional.
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If the second comma and <var>value</var> are absent, <var>value</var> is
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assumed zero. If the first comma and following tokens are absent,
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<var>size</var> is assumed to be 1.
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</body></html>
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