In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Giuro, Most likely your interrupt routine is pushing the SUB declaration down past the lower half of the memory page. Do something like this: INTERRUPT GOTO Handle_Int MySub1 SUB MySub2 SUB Handle_Int: ' Put the actually interrupt code here RETURNINT Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=137020#m138964 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)