In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote: Try this: Assign macro Name ;create a macro ifdef I??Name?? ;test for the modified parameter passed already exists exitm ;if so then bail out else ;otherwise I??Name?? jmp Name ;create this label from the parameter passed endm ;done regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=244787#m245728 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2008 (http://www.dotNetBB.com)