h8-500-addressing.html

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<title>Using as</title>

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Node:<a name="H8%2f500-Addressing">H8/500-Addressing</a>,

Previous:<a rel="previous" accesskey="p" href="H8-500-Regs.html#H8%2f500-Regs">H8/500-Regs</a>,

Up:<a rel="up" accesskey="u" href="H8-500-Syntax.html#H8%2f500%20Syntax">H8/500 Syntax</a>

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<h5 class="subsection">Addressing Modes</h5>



   as understands the following addressing modes for the H8/500:

     <dl>

<dt><code>R</code><var>n</var><code></code>

     <dd>Register direct



     <br><dt><code>@R</code><var>n</var><code></code>

     <dd>Register indirect



     <br><dt><code>@(d:8, R</code><var>n</var><code>)</code>

     <dd>Register indirect with 8 bit signed displacement



     <br><dt><code>@(d:16, R</code><var>n</var><code>)</code>

     <dd>Register indirect with 16 bit signed displacement



     <br><dt><code>@-R</code><var>n</var><code></code>

     <dd>Register indirect with pre-decrement



     <br><dt><code>@R</code><var>n</var><code>+</code>

     <dd>Register indirect with post-increment



     <br><dt><code>@</code><var>aa</var><code>:8</code>

     <dd>8 bit absolute address



     <br><dt><code>@</code><var>aa</var><code>:16</code>

     <dd>16 bit absolute address



     <br><dt><code>#</code><var>xx</var><code>:8</code>

     <dd>8 bit immediate



     <br><dt><code>#</code><var>xx</var><code>:16</code>

     <dd>16 bit immediate

</dl>



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