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96 lines
4.1 KiB
HTML
96 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>Fill (Using as)</title>
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<meta name="description" content="Fill (Using as)">
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<meta name="keywords" content="Fill (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="Float.html#Float" rel="next" title="Float">
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<link href="File.html#File" rel="prev" title="File">
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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="Fill"></a>
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<div class="header">
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<p>
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Next: <a href="Float.html#Float" accesskey="n" rel="next">Float</a>, Previous: <a href="File.html#File" accesskey="p" rel="prev">File</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_002efill-repeat-_002c-size-_002c-value"></a>
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<h3 class="section">7.36 <code>.fill <var>repeat</var> , <var>size</var> , <var>value</var></code></h3>
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<a name="index-fill-directive"></a>
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<a name="index-writing-patterns-in-memory"></a>
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<a name="index-patterns_002c-writing-in-memory"></a>
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<p><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 <code>as</code> 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>
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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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</p>
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</body>
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</html>
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