Hi Bob, Scott and other Piclisters ;) Actually Bob answer is too prefect to improve it ;) (I also just jumped out of plane from europe two days ago ;) WBR Dmitry. Bob Ammerman wrote: > Challenge > > If you don't care about the carry out, it's possible to perform a 16-bit add in > 5 cycles. Since Nikolai is away from his computer, Dmitry is quiet, John is > (where is John?) and Andy is on a plane, this oughta be an interesting > challenge. > > Scott movf lo_a,W addwf lo_b,F rlf known_zero,W addwf hi_a,W addwf hi_b,F Bob Ammerman RAm Systems > (contract development of high performance, high function, low-level > software) -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu