In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: You have too much interrupt code pushing the SUB definitions into the upper half. Here is how you fix it: INTERRUPT GOTO ISR_Start ' Define SUBs here ISR_Start: ' INTERRUPT CODE HERE RETURNINT I have attached a modified version of your program that will compile cleanly. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=196022#m196023 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)