>   52</span><span class="preprocessor">#define OCW3_SMM   0x08    </span><span class="comment">// valid when OCW3_ESMM = 1: 0 = reset special mask, 1 = set special mask</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#define PORT0_ICW1 0x10    </span><span class="comment">// 1 = presenting ICW1 on port 0, 0 = presenting OCW2 or OCW3 on port 