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  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".

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  17. <title>H8/300 Directives (Using as)</title>

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  27. <link href="H8_002f300_002dDependent.html#H8_002f300_002dDependent" rel="up" title="H8/300-Dependent">

  28. <link href="H8_002f300-Opcodes.html#H8_002f300-Opcodes" rel="next" title="H8/300 Opcodes">

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  62. <a name="H8_002f300-Directives"></a>

  63. <div class="header">

  64. <p>

  65. 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> &nbsp; [<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>

  66. </div>

  67. <hr>

  68. <a name="H8_002f300-Machine-Directives"></a>

  69. <h4 class="subsection">9.14.4 H8/300 Machine Directives</h4>

  70. 

  71. <a name="index-H8_002f300-machine-directives-_0028none_0029"></a>

  72. <a name="index-machine-directives_002c-H8_002f300-_0028none_0029"></a>

  73. <a name="index-word-directive_002c-H8_002f300"></a>

  74. <a name="index-int-directive_002c-H8_002f300"></a>

  75. <p><code>as</code> has the following machine-dependent directives for

  76. the H8/300:

  77. </p>

  78. <dl compact="compact">

  79. <dd><a name="index-H8_002f300H_002c-assembling-for"></a>

  80. </dd>

  81. <dt><code>.h8300h</code></dt>

  82. <dd><p>Recognize and emit additional instructions for the H8/300H variant, and

  83. also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit)

  84. for the H8/300 family.

  85. </p>

  86. </dd>

  87. <dt><code>.h8300s</code></dt>

  88. <dd><p>Recognize and emit additional instructions for the H8S variant, and

  89. also make <code>.int</code> emit 32-bit numbers rather than the usual (16-bit)

  90. for the H8/300 family.

  91. </p>

  92. </dd>

  93. <dt><code>.h8300hn</code></dt>

  94. <dd><p>Recognize and emit additional instructions for the H8/300H variant in

  95. normal mode, and also make <code>.int</code> emit 32-bit numbers rather than

  96. the usual (16-bit) for the H8/300 family.

  97. </p>

  98. </dd>

  99. <dt><code>.h8300sn</code></dt>

  100. <dd><p>Recognize and emit additional instructions for the H8S variant in

  101. normal mode, and also make <code>.int</code> emit 32-bit numbers rather than

  102. the usual (16-bit) for the H8/300 family.

  103. </p></dd>

  104. </dl>

  105. 

  106. <p>On the H8/300 family (including the H8/300H) &lsquo;<samp>.word</samp>&rsquo; directives

  107. generate 16-bit numbers.

  108. </p>

  109. 

  110. 

  111. 

  112. </body>

  113. </html>