1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- This file documents the GNU Assembler "as". 4 5Copyright (C) 1991-2021 Free Software Foundation, Inc. 6 7Permission is granted to copy, distribute and/or modify this document 8under the terms of the GNU Free Documentation License, Version 1.3 9or any later version published by the Free Software Foundation; 10with no Invariant Sections, with no Front-Cover Texts, and with no 11Back-Cover Texts. A copy of the license is included in the 12section entitled "GNU Free Documentation License". 13 --> 14<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 15<head> 16<title>Using as: Dcb</title> 17 18<meta name="description" content="Using as: Dcb"> 19<meta name="keywords" content="Using as: Dcb"> 20<meta name="resource-type" content="document"> 21<meta name="distribution" content="global"> 22<meta name="Generator" content="makeinfo"> 23<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 24<link href="index.html#Top" rel="start" title="Top"> 25<link href="AS-Index.html#AS-Index" rel="index" title="AS Index"> 26<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 27<link href="Pseudo-Ops.html#Pseudo-Ops" rel="up" title="Pseudo Ops"> 28<link href="Ds.html#Ds" rel="next" title="Ds"> 29<link href="Dc.html#Dc" rel="previous" title="Dc"> 30<style type="text/css"> 31<!-- 32a.summary-letter {text-decoration: none} 33blockquote.smallquotation {font-size: smaller} 34div.display {margin-left: 3.2em} 35div.example {margin-left: 3.2em} 36div.indentedblock {margin-left: 3.2em} 37div.lisp {margin-left: 3.2em} 38div.smalldisplay {margin-left: 3.2em} 39div.smallexample {margin-left: 3.2em} 40div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 41div.smalllisp {margin-left: 3.2em} 42kbd {font-style:oblique} 43pre.display {font-family: inherit} 44pre.format {font-family: inherit} 45pre.menu-comment {font-family: serif} 46pre.menu-preformatted {font-family: serif} 47pre.smalldisplay {font-family: inherit; font-size: smaller} 48pre.smallexample {font-size: smaller} 49pre.smallformat {font-family: inherit; font-size: smaller} 50pre.smalllisp {font-size: smaller} 51span.nocodebreak {white-space:nowrap} 52span.nolinebreak {white-space:nowrap} 53span.roman {font-family:serif; font-weight:normal} 54span.sansserif {font-family:sans-serif; font-weight:normal} 55ul.no-bullet {list-style: none} 56--> 57</style> 58 59 60</head> 61 62<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 63<a name="Dcb"></a> 64<div class="header"> 65<p> 66Next: <a href="Ds.html#Ds" accesskey="n" rel="next">Ds</a>, Previous: <a href="Dc.html#Dc" accesskey="p" rel="previous">Dc</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> 67</div> 68<hr> 69<a name="g_t_002edcb_005bsize_005d-number-_005b_002cfill_005d"></a> 70<h3 class="section">7.15 <code>.dcb[<var>size</var>] <var>number</var> [,<var>fill</var>]</code></h3> 71<a name="index-dcb-directive"></a> 72<p>This directive emits <var>number</var> copies of <var>fill</var>, each of <var>size</var> 73bytes. Both <var>number</var> and <var>fill</var> are absolute expressions. If the 74comma and <var>fill</var> are omitted, <var>fill</var> is assumed to be zero. The 75<var>size</var> suffix, if present, must be one of: 76</p> 77<dl compact="compact"> 78<dt><code>‘<samp>.b</samp>’</code></dt> 79<dd><p>Emits single byte values. 80</p></dd> 81<dt><code>‘<samp>.d</samp>’</code></dt> 82<dd><p>Emits double-precision floating point values. 83</p></dd> 84<dt><code>‘<samp>.l</samp>’</code></dt> 85<dd><p>Emits 4-byte values. 86</p></dd> 87<dt><code>‘<samp>.s</samp>’</code></dt> 88<dd><p>Emits single-precision floating point values. 89</p></dd> 90<dt><code>‘<samp>.w</samp>’</code></dt> 91<dd><p>Emits 2-byte values. 92</p></dd> 93<dt><code>‘<samp>.x</samp>’</code></dt> 94<dd><p>Emits long double-precision floating point values. 95</p></dd> 96</dl> 97 98<p>If the <var>size</var> suffix is omitted then ‘<samp>.w</samp>’ is assumed. 99</p> 100<p>The byte ordering is target dependent, as is the size and format of floating 101point values. 102</p> 103 104 105 106</body> 107</html> 108