ON 20040125@1:52:37 PM at page:
http://www.piclist.commicrochip/math/bit/countbits.htm#38011.5180208333
James Newton[JMN-EFP-786] published post 38011.5180208333

<A TITLE="P-67.250.98.81" NAME="38011.5180208333" HREF="mailto:ferrous2@juno.com">ferrous2@juno.com</A> <BLOCKQUOTE><A NAME="67.250.98.81">
</A> 
For what it's worth, it can be done in nine lines and 51 cycles.<BR>
<BR>
      clrf    sum<BR>
      movlw   08<BR>
      moxwf   count<BR>
loop  rrf     portx<BR>
      btfsc   status  ,c<BR>
      incf    sum<BR>
      decfsz  count<BR>
      goto    loop<BR>
      rrf     portx<BR>
<BR>
Far from elegant, and the highest average cycle count (but constant).</BLOCKQUOTE>

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