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| Previous: <a href="SH_002dRegs.html#SH_002dRegs" accesskey="p" rel="prev">SH-Regs</a>, Up: <a href="SH-Syntax.html#SH-Syntax" accesskey="u" rel="up">SH Syntax</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="Addressing-Modes-3"></a> |
| <h4 class="subsubsection">9.39.2.3 Addressing Modes</h4> |
| |
| <a name="index-addressing-modes_002c-SH"></a> |
| <a name="index-SH-addressing-modes"></a> |
| <p><code>as</code> understands the following addressing modes for the SH. |
| <code>R<var>n</var></code> in the following refers to any of the numbered |
| registers, but <em>not</em> the control registers. |
| </p> |
| <dl compact="compact"> |
| <dt><code>R<var>n</var></code></dt> |
| <dd><p>Register direct |
| </p> |
| </dd> |
| <dt><code>@R<var>n</var></code></dt> |
| <dd><p>Register indirect |
| </p> |
| </dd> |
| <dt><code>@-R<var>n</var></code></dt> |
| <dd><p>Register indirect with pre-decrement |
| </p> |
| </dd> |
| <dt><code>@R<var>n</var>+</code></dt> |
| <dd><p>Register indirect with post-increment |
| </p> |
| </dd> |
| <dt><code>@(<var>disp</var>, R<var>n</var>)</code></dt> |
| <dd><p>Register indirect with displacement |
| </p> |
| </dd> |
| <dt><code>@(R0, R<var>n</var>)</code></dt> |
| <dd><p>Register indexed |
| </p> |
| </dd> |
| <dt><code>@(<var>disp</var>, GBR)</code></dt> |
| <dd><p><code>GBR</code> offset |
| </p> |
| </dd> |
| <dt><code>@(R0, GBR)</code></dt> |
| <dd><p>GBR indexed |
| </p> |
| </dd> |
| <dt><code><var>addr</var></code></dt> |
| <dt><code>@(<var>disp</var>, PC)</code></dt> |
| <dd><p>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. |
| </p> |
| </dd> |
| <dt><code>#<var>imm</var></code></dt> |
| <dd><p>Immediate data |
| </p></dd> |
| </dl> |
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