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<a id='L7' name='L7'></a><title>Simple output (YACASL2 - CASL II 処理システム)</title>
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<a id='L48' name='L48'></a><span id="Shi-Xing-Jie-Guo-noChu-Li-dakewoBiao-Shi"></span><h3 class="section">2.1 実行結果の出力だけを表示</h3>
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<a id='L50' name='L50'></a><p>インストール時にコマンド実行の確認に使った<samp>hello.casl</samp>は、次のような内容です。
<a id='L51' name='L51'></a>CASL IIのマクロ命令OUTは、文字列を出力します。
<a id='L52' name='L52'></a></p>
<a id='L53' name='L53'></a><div class="example">
<a id='L54' name='L54'></a><pre class="example">$ <kbd>cat hello.casl</kbd>
<a id='L55' name='L55'></a>MAIN START
<a id='L56' name='L56'></a> OUT OBUF,LEN
<a id='L57' name='L57'></a> RET
<a id='L58' name='L58'></a>OBUF DC 'Hello, World!'
<a id='L59' name='L59'></a>LEN DC 13
<a id='L60' name='L60'></a> END
<a id='L61' name='L61'></a></pre></div>
<a id='L62' name='L62'></a>
<a id='L63' name='L63'></a><p>次のコマンドを実行すると、CASL II のアセンブルと仮想マシン COMET II 上での実行が連続で行われ、文字列が出力されます。
<a id='L64' name='L64'></a></p>
<a id='L65' name='L65'></a><div class="example">
<a id='L66' name='L66'></a><pre class="example">$ <kbd>casl2 hello.casl</kbd>
<a id='L67' name='L67'></a>Hello, World!
<a id='L68' name='L68'></a></pre></div>
<a id='L69' name='L69'></a>
<a id='L70' name='L70'></a><p><samp>addl.casl</samp>は、3と1の和を求めます。
<a id='L71' name='L71'></a></p>
<a id='L72' name='L72'></a><div class="example">
<a id='L73' name='L73'></a><pre class="example">$ <kbd>cat addl.casl</kbd>
<a id='L74' name='L74'></a>;;; ADDL r,adr
<a id='L75' name='L75'></a>MAIN START
<a id='L76' name='L76'></a> LD GR1,A
<a id='L77' name='L77'></a> ADDL GR1,B
<a id='L78' name='L78'></a> RET
<a id='L79' name='L79'></a>A DC 3
<a id='L80' name='L80'></a>B DC 1
<a id='L81' name='L81'></a> END
<a id='L82' name='L82'></a></pre></div>
<a id='L83' name='L83'></a>
<a id='L84' name='L84'></a><p>このプログラムには出力命令がないため、オプションなしで実行した場合には結果が出力されません。
<a id='L85' name='L85'></a></p>
<a id='L86' name='L86'></a><div class="example">
<a id='L87' name='L87'></a><pre class="example">$ <kbd>casl2 addl.casl</kbd>
<a id='L88' name='L88'></a>$
<a id='L89' name='L89'></a></pre></div>
<a id='L90' name='L90'></a>
<a id='L91' name='L91'></a><p>実行内容を確認するには、後述のようにCPU 内にあるレジスタやメモリの内容を表示するか、結果を出力するための処理を追加する必要があります。
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