://nim-lang.org/docs/system.html#uint8">uint8</a></span></code></dt><dd>Receives one raw byte of data, the last argument determines if this is the last byte to read or not.</dd></div></div><div id="writeRegister" class="group"><div id="writeRegister_6E75A172" class="ident"><dt><code><span class="Keyword">proc</span> <span class="Identifier"><a href="#writeRegister_6E75A172">writeRegister</a></span><span class="Punctuation">(</span><span class="Identifier">bus</span><span class="Punctuation">:</span> <span c