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72 lines
3.3 KiB
HTML
72 lines
3.3 KiB
HTML
15 years ago
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<title>VAX-directives - 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="Vax_002dDependent.html#Vax_002dDependent" title="Vax-Dependent">
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<link rel="prev" href="VAX_002dfloat.html#VAX_002dfloat" title="VAX-float">
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<link rel="next" href="VAX_002dopcodes.html#VAX_002dopcodes" title="VAX-opcodes">
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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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--></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="VAX_002ddirectives"></a>Next: <a rel="next" accesskey="n" href="VAX_002dopcodes.html#VAX_002dopcodes">VAX-opcodes</a>,
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Previous: <a rel="previous" accesskey="p" href="VAX_002dfloat.html#VAX_002dfloat">VAX-float</a>,
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Up: <a rel="up" accesskey="u" href="Vax_002dDependent.html#Vax_002dDependent">Vax-Dependent</a>
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<hr><br>
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</div>
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<h4 class="subsection">9.34.3 Vax Machine Directives</h4>
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<p><a name="index-machine-directives_002c-VAX-1757"></a><a name="index-VAX-machine-directives-1758"></a>The Vax version of the assembler supports four directives for
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generating Vax floating point constants. They are described in the
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table below.
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<p><a name="index-wide-floating-point-directives_002c-VAX-1759"></a>
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<a name="index-_0040code_007bdfloat_007d-directive_002c-VAX-1760"></a>
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<dl><dt><code>.dfloat</code><dd>This expects zero or more flonums, separated by commas, and
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assembles Vax <code>d</code> format 64-bit floating point constants.
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<p><a name="index-_0040code_007bffloat_007d-directive_002c-VAX-1761"></a><br><dt><code>.ffloat</code><dd>This expects zero or more flonums, separated by commas, and
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assembles Vax <code>f</code> format 32-bit floating point constants.
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<p><a name="index-_0040code_007bgfloat_007d-directive_002c-VAX-1762"></a><br><dt><code>.gfloat</code><dd>This expects zero or more flonums, separated by commas, and
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assembles Vax <code>g</code> format 64-bit floating point constants.
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<p><a name="index-_0040code_007bhfloat_007d-directive_002c-VAX-1763"></a><br><dt><code>.hfloat</code><dd>This expects zero or more flonums, separated by commas, and
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assembles Vax <code>h</code> format 128-bit floating point constants.
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</dl>
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</body></html>
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