toolchain/gcc-linaro-6.3.1-2017.02-x8.../share/doc/as.html/NDS32_002dChars.html

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<a name="Special-Characters-24"></a>
<h4 class="subsubsection">9.30.2.1 Special Characters</h4>
<p>Use &lsquo;<samp>#</samp>&rsquo; at column 1 and &lsquo;<samp>!</samp>&rsquo; anywhere in the line except inside
quotes.
</p>
<p>Multiple instructions in a line are allowed though not recommended and
should be separated by &lsquo;<samp>;</samp>&rsquo;.
</p>
<p>Assembler is not case-sensitive in general except user defined label.
For example, &lsquo;<samp>jral F1</samp>&rsquo; is different from &lsquo;<samp>jral f1</samp>&rsquo; while it is
the same as &lsquo;<samp>JRAL F1</samp>&rsquo;.
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