In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Lance, You are enabling interrupts, but you don't have an interrupt handler. Remove this line "OPTION = $88 ' interrupt, no prescaler" Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=172542#m172616 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)