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<a id='L15' name='L15'></a><a id='L1' name='L1'></a>&lt;!DOCTYPE html&gt;
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<a id='L21' name='L21'></a><a id='L7' name='L7'></a>&lt;title&gt;Register specify (YACASL2 - CASL II 処理システム)&lt;/title&gt;
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<a id='L46' name='L46'></a><a id='L32' name='L32'></a>&lt;body&gt;
<a id='L47' name='L47'></a><a id='L33' name='L33'></a>&lt;div class="subsection-level-extent" id="Register-specify"&gt;
<a id='L48' name='L48'></a><a id='L34' name='L34'></a>&lt;p class="nav-panel"&gt;
<a id='L49' name='L49'></a><a id='L35' name='L35'></a>&lt;span class="nav-button"&gt;&lt;span class="nav-label"&gt;Next: &lt;/span&gt;&lt;span class="nav-link"&gt;&lt;a href="End-value.html" accesskey="n" rel="next"&gt;プログラム終了時の値を表示&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;, &lt;span class="nav-button"&gt;&lt;span class="nav-label"&gt;Previous: &lt;/span&gt;&lt;span class="nav-link"&gt;&lt;a href="Register-and-memory.html" accesskey="p" rel="prev"&gt;実行時のレジスタとメモリを表示&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;, &lt;span class="nav-button"&gt;&lt;span class="nav-label"&gt;Up: &lt;/span&gt;&lt;span class="nav-link"&gt;&lt;a href="Register-and-memory.html" accesskey="u" rel="up"&gt;実行時のレジスタとメモリを表示&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="nav-button"&gt; &amp;nbsp; &lt;/span&gt;&lt;span class="nav-button"&gt;[&lt;a href="index.html#SEC_Contents" title="Table of contents" rel="contents"&gt;Contents&lt;/a&gt;]&lt;/span&gt;&lt;/p&gt;
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<a id='L51' name='L51'></a><a id='L37' name='L37'></a>&lt;h4 class="subsection" id="g_t_7279_5b9a_306e_30ec_30b8_30b9_30bf_3092_8868_793a"&gt;&lt;span&gt;2.3.1 特定のレジスタを表示&lt;a class="copiable-link" href="#g_t_7279_5b9a_306e_30ec_30b8_30b9_30bf_3092_8868_793a"&gt; &amp;para;&lt;/a&gt;&lt;/span&gt;&lt;/h4&gt;
<a id='L52' name='L52'></a><a id='L38' name='L38'></a>
<a id='L53' name='L53'></a><a id='L39' name='L39'></a>&lt;p&gt;&lt;samp class="file"&gt;addl.casl&lt;/samp&gt;のレジスタやメモリの中で、実行中に値が変化しているのはGR1だけです。
<a id='L54' name='L54'></a><a id='L40' name='L40'></a>こうした場合は、&lt;code class="command"&gt;grep&lt;/code&gt;を使って表示される内容を絞り込むことで動作を検証しやすくなります。
<a id='L55' name='L55'></a><a id='L41' name='L41'></a>&lt;/p&gt;
<a id='L56' name='L56'></a><a id='L42' name='L42'></a>&lt;div class="example"&gt;
<a id='L57' name='L57'></a><a id='L43' name='L43'></a>&lt;pre class="example-preformatted"&gt;$ &lt;kbd class="kbd"&gt;casl2 -t addl.casl | grep 'GR1:'&lt;/kbd&gt;
<a id='L58' name='L58'></a><a id='L44' name='L44'></a>#0000: GR1: 0 = #0000 = 0000000000000000
<a id='L59' name='L59'></a><a id='L45' name='L45'></a>#0002: GR1: 3 = #0003 = 0000000000000011
<a id='L60' name='L60'></a><a id='L46' name='L46'></a>#0004: GR1: 5 = #0005 = 0000000000000101
<a id='L61' name='L61'></a><a id='L47' name='L47'></a>#0006: GR1: 5 = #0005 = 0000000000000101
<a id='L62' name='L62'></a><a id='L48' name='L48'></a>&lt;/pre&gt;&lt;/div&gt;
<a id='L63' name='L63'></a><a id='L49' name='L49'></a>
<a id='L64' name='L64'></a><a id='L50' name='L50'></a>&lt;p&gt;この内容を、先に出力したアセンブル結果と比較してください。
<a id='L65' name='L65'></a><a id='L51' name='L51'></a>次の表のように、PRとGR1、命令行が対応していることがわかります。
<a id='L66' name='L66'></a><a id='L52' name='L52'></a>&lt;/p&gt;
<a id='L67' name='L67'></a><a id='L53' name='L53'></a>&lt;table class="multitable"&gt;
<a id='L68' name='L68'></a><a id='L54' name='L54'></a>&lt;tbody&gt;&lt;tr&gt;&lt;td width="30%"&gt;PR&lt;/td&gt;&lt;td width="30%"&gt;GR1&lt;/td&gt;&lt;td width="40%"&gt;命令行&lt;/td&gt;&lt;/tr&gt;
<a id='L69' name='L69'></a><a id='L55' name='L55'></a>&lt;tr&gt;&lt;td width="30%"&gt;#0000&lt;/td&gt;&lt;td width="30%"&gt;#0000&lt;/td&gt;&lt;td width="40%"&gt;（なし）&lt;/td&gt;&lt;/tr&gt;
<a id='L70' name='L70'></a><a id='L56' name='L56'></a>&lt;tr&gt;&lt;td width="30%"&gt;#0002&lt;/td&gt;&lt;td width="30%"&gt;#0003&lt;/td&gt;&lt;td width="40%"&gt;&lt;code class="code"&gt;LD GR1,A&lt;/code&gt;&lt;/td&gt;&lt;/tr&gt;
<a id='L71' name='L71'></a><a id='L57' name='L57'></a>&lt;tr&gt;&lt;td width="30%"&gt;#0004&lt;/td&gt;&lt;td width="30%"&gt;#0004&lt;/td&gt;&lt;td width="40%"&gt;&lt;code class="code"&gt;ADDL GR1,B&lt;/code&gt;&lt;/td&gt;&lt;/tr&gt;
<a id='L72' name='L72'></a><a id='L58' name='L58'></a>&lt;tr&gt;&lt;td width="30%"&gt;#0006&lt;/td&gt;&lt;td width="30%"&gt;#0006&lt;/td&gt;&lt;td width="40%"&gt;&lt;code class="code"&gt;ST GR1,C&lt;/code&gt;&lt;/td&gt;&lt;/tr&gt;
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