In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Fred wrote: Bean, On second thought, here is the stripped version. The only variant in the two paths is clearing of the three I/O registers. It does not exhibit this problem. Perhaps this is a clue. Fred ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=87945#m87997 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)