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- <title>SH-Regs (Using as)</title>
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- Next: <a href="SH_002dAddressing.html#SH_002dAddressing" accesskey="n" rel="next">SH-Addressing</a>, Previous: <a href="SH_002dChars.html#SH_002dChars" accesskey="p" rel="prev">SH-Chars</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="Register-Names-15"></a>
- <h4 class="subsubsection">9.43.2.2 Register Names</h4>
-
- <a name="index-SH-registers"></a>
- <a name="index-registers_002c-SH"></a>
- <p>You can use the predefined symbols ‘<samp>r0</samp>’, ‘<samp>r1</samp>’, ‘<samp>r2</samp>’,
- ‘<samp>r3</samp>’, ‘<samp>r4</samp>’, ‘<samp>r5</samp>’, ‘<samp>r6</samp>’, ‘<samp>r7</samp>’, ‘<samp>r8</samp>’,
- ‘<samp>r9</samp>’, ‘<samp>r10</samp>’, ‘<samp>r11</samp>’, ‘<samp>r12</samp>’, ‘<samp>r13</samp>’, ‘<samp>r14</samp>’,
- and ‘<samp>r15</samp>’ to refer to the SH registers.
- </p>
- <p>The SH also has these control registers:
- </p>
- <dl compact="compact">
- <dt><code>pr</code></dt>
- <dd><p>procedure register (holds return address)
- </p>
- </dd>
- <dt><code>pc</code></dt>
- <dd><p>program counter
- </p>
- </dd>
- <dt><code>mach</code></dt>
- <dt><code>macl</code></dt>
- <dd><p>high and low multiply accumulator registers
- </p>
- </dd>
- <dt><code>sr</code></dt>
- <dd><p>status register
- </p>
- </dd>
- <dt><code>gbr</code></dt>
- <dd><p>global base register
- </p>
- </dd>
- <dt><code>vbr</code></dt>
- <dd><p>vector base register (for interrupt vectors)
- </p></dd>
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