In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mhubers wrote: Looking at your code does look fine to me. Do you have a 4 MHz resonator installed? How are you using the RB's ports? Do you have LEDs on them? If you have LEDs then you may not see anything as they are flashing so fast you cannot see it. If you have a LED on RB.0 you will not see anything because it just to fast for anything to show up on the LED. Even a LED on RB.7 maybe still to fast to see anything. If you have a scope on the ports you should see something then. My 2 cents. ;) ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=323069#m323087 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)