In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Electronegativity wrote: How does putting that code in the ISR make it constantly change? I also don't understand the first line LFSR: 'randomize "seed" ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=167121#m167192 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)