"preprocessor">#</span><span class="preprocessor">define</span> <span class="preprocessor">PWM_RATE</span> 16384</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">/* Used internally to put the 0-biased generated audio into the right range for PWM output.*/</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor"