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| <title>Using as: H8/300 Directives</title> |
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| Next: <a href="H8_002f300-Opcodes.html#H8_002f300-Opcodes" accesskey="n" rel="next">H8/300 Opcodes</a>, Previous: <a href="H8_002f300-Floating-Point.html#H8_002f300-Floating-Point" accesskey="p" rel="prev">H8/300 Floating Point</a>, Up: <a href="H8_002f300_002dDependent.html#H8_002f300_002dDependent" accesskey="u" rel="up">H8/300-Dependent</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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| <a name="H8_002f300-Machine-Directives"></a> |
| <h4 class="subsection">9.12.4 H8/300 Machine Directives</h4> |
| |
| <a name="index-H8_002f300-machine-directives-_0028none_0029"></a> |
| <a name="index-machine-directives_002c-H8_002f300-_0028none_0029"></a> |
| <a name="index-word-directive_002c-H8_002f300"></a> |
| <a name="index-int-directive_002c-H8_002f300"></a> |
| <p><code>as</code> has the following machine-dependent directives for |
| the H8/300: |
| </p> |
| <dl compact="compact"> |
| <dd><a name="index-H8_002f300H_002c-assembling-for"></a> |
| </dd> |
| <dt><code>.h8300h</code></dt> |
| <dd><p>Recognize and emit additional instructions for the H8/300H variant, and |
| also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit) |
| for the H8/300 family. |
| </p> |
| </dd> |
| <dt><code>.h8300s</code></dt> |
| <dd><p>Recognize and emit additional instructions for the H8S variant, and |
| also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit) |
| for the H8/300 family. |
| </p> |
| </dd> |
| <dt><code>.h8300hn</code></dt> |
| <dd><p>Recognize and emit additional instructions for the H8/300H variant in |
| normal mode, and also make <code>.int</code> emit 32-bit numbers rather than |
| the usual (16-bit) for the H8/300 family. |
| </p> |
| </dd> |
| <dt><code>.h8300sn</code></dt> |
| <dd><p>Recognize and emit additional instructions for the H8S variant in |
| normal mode, and also make <code>.int</code> emit 32-bit numbers rather than |
| the usual (16-bit) for the H8/300 family. |
| </p></dd> |
| </dl> |
| |
| <p>On the H8/300 family (including the H8/300H) ‘<samp>.word</samp>’ directives |
| generate 16-bit numbers. |
| </p> |
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