James Nick Sears wrote: > processor 10F200 > include > > ram udata h'10' > red res 0 > grn res 1 > blu res 2 > > ram2 udata h'11' > bad res 0 > > and it assembled and linked with no errors. But you didn't allocate any space to BAD. Your whole RAM2 section is empty. Change "bad res 0" to "bad res 1" and you will get a link error. Looking at this again, you didn't read the manual about RES, did you? YOU HAVE TO READ THE MANUAL. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist