Rodent of Unusual Size wrote: > > So the following is safe and will never introduce a transient? > > MOVLW B'100' > IORWF PORTB,F D'oh, the article even explicitly said 'don't do that.' (smacks forehead). This HPS40 is pissing me off.. Half of the rare times when I can get a semi-reasonable square wave on it, it shows +/- pulses at the edges. Maybe I'll start a new thread about recommendations for 'scopes.. Thanks, all! -- #ken P-)} Ken Coar, Sanagendamgagwedweinini http://Ken.Coar.Org/ Author, developer, opinionist http://Apache-Server.Com/ "Millennium hand and shrimp!" -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist