In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: John, PROGRAM must be in the first code page, and SUBs must be in the first half of a code page. So as long as PROGRAM and SUBs come before any length of code your okay. Really the only code you should have is the GOTO ISR_Start. When in doubt follow the Jon's template. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=89749#m89803 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)