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| <h5 class="subsubsection">9.43.2.3 Addressing Modes</h5> |
| |
| <p><a name="index-addressing-modes_002c-SH-2125"></a><a name="index-SH-addressing-modes-2126"></a><code>as</code> understands the following addressing modes for the SH. |
| <code>R</code><var>n</var> in the following refers to any of the numbered |
| registers, but <em>not</em> the control registers. |
| |
| <dl> |
| <dt><code>R</code><var>n</var><dd>Register direct |
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| <br><dt><code>@R</code><var>n</var><dd>Register indirect |
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| <br><dt><code>@-R</code><var>n</var><dd>Register indirect with pre-decrement |
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| <br><dt><code>@R</code><var>n</var><code>+</code><dd>Register indirect with post-increment |
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| <br><dt><code>@(</code><var>disp</var><code>, R</code><var>n</var><code>)</code><dd>Register indirect with displacement |
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| <br><dt><code>@(R0, R</code><var>n</var><code>)</code><dd>Register indexed |
| |
| <br><dt><code>@(</code><var>disp</var><code>, GBR)</code><dd><code>GBR</code> offset |
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| <br><dt><code>@(R0, GBR)</code><dd>GBR indexed |
| |
| <br><dt><var>addr</var><dt><code>@(</code><var>disp</var><code>, PC)</code><dd>PC relative address (for branch or for addressing memory). The |
| <code>as</code> implementation allows you to use the simpler form |
| <var>addr</var> anywhere a PC relative address is called for; the alternate |
| form is supported for compatibility with other assemblers. |
| |
| <br><dt><code>#</code><var>imm</var><dd>Immediate data |
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