Tom, >> all implied references to registers by instructions are included in the >> General >> Purpose Register Cross Reference.
I can only second that. Very very good- thanks Sir John (et al)- I have yet to find an instruction where the use is not correctly reflected (modified + used) -- Martin Pi_cap_CPU - all you ever need around MWLC/SCRT/CMT in z/VSE more at http://www.picapcpu.de
