Andrew Warren wrote: > Right. As I said, RES-named memory is protected from reuse by > other RES directives. > > My point, though, was that the memory can always be reused by > either careless or deliberate use of EQU or CBLOCK... So RES > affords no more protection than CBLOCK. Yes, assembler is very low level and if you want to go out of your way to shoot yourself in the foot, you can. RES affords considerable protection. The only time RES fails to provide protection is if you try to define "variables" using EQU or CBLOCK, but that's a pretty unlikely to happen by accident. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist