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76 lines
3.6 KiB
HTML
76 lines
3.6 KiB
HTML
15 years ago
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<html lang="en">
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<title>H8/300 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="H8_002f300_002dDependent.html#H8_002f300_002dDependent" title="H8/300-Dependent">
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<link rel="prev" href="H8_002f300-Floating-Point.html#H8_002f300-Floating-Point" title="H8/300 Floating Point">
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<link rel="next" href="H8_002f300-Opcodes.html#H8_002f300-Opcodes" title="H8/300 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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man end-->
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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="H8_002f300-Directives"></a>Next: <a rel="next" accesskey="n" href="H8_002f300-Opcodes.html#H8_002f300-Opcodes">H8/300 Opcodes</a>,
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Previous: <a rel="previous" accesskey="p" href="H8_002f300-Floating-Point.html#H8_002f300-Floating-Point">H8/300 Floating Point</a>,
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Up: <a rel="up" accesskey="u" href="H8_002f300_002dDependent.html#H8_002f300_002dDependent">H8/300-Dependent</a>
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<hr><br>
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</div>
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<h4 class="subsection">9.10.4 H8/300 Machine Directives</h4>
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<p><a name="index-H8_002f300-machine-directives-_0028none_0029-789"></a><a name="index-machine-directives_002c-H8_002f300-_0028none_0029-790"></a><a name="index-_0040code_007bword_007d-directive_002c-H8_002f300-791"></a><a name="index-_0040code_007bint_007d-directive_002c-H8_002f300-792"></a><code>as</code> has the following machine-dependent directives for
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the H8/300:
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<a name="index-H8_002f300H_002c-assembling-for-793"></a>
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<dl><dt><code>.h8300h</code><dd>Recognize and emit additional instructions for the H8/300H variant, and
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also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit)
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for the H8/300 family.
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<br><dt><code>.h8300s</code><dd>Recognize and emit additional instructions for the H8S variant, and
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also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit)
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for the H8/300 family.
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<br><dt><code>.h8300hn</code><dd>Recognize and emit additional instructions for the H8/300H variant in
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normal mode, and also make <code>.int</code> emit 32-bit numbers rather than
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the usual (16-bit) for the H8/300 family.
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<br><dt><code>.h8300sn</code><dd>Recognize and emit additional instructions for the H8S variant in
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normal mode, and also make <code>.int</code> emit 32-bit numbers rather than
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the usual (16-bit) for the H8/300 family.
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</dl>
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<p>On the H8/300 family (including the H8/300H) <span class="samp">.word</span> directives
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generate 16-bit numbers.
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</body></html>
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