It seems that a message got lost. Here it is again. email behaves strangely (appears to depend on contents ;( ). Peter ---------- Forwarded message ---------- Date: Thu, 13 Aug 1998 17:53:44 +0000 ( ) From: "Peter L. Peres" To: pic microcontroller discussion list Subject: Re: 3 byte decrement > better decf mid, F decf mid, F decfsz low, F incf mid, F incfsz mid, F decf high, F 6 T cycles, 6 words run time (constant). I think it's optimal. Peter