> ... maybe its something new ??? Maybe it's something old. ISTR having a problem where SVC35 interpreted R0 as a UCMID when it shouldn't have. (Or, maybe, I'm confusing it with SVC34.)
> Date: Thu, 16 Sep 2010 10:42:44 -0700 > From: scott_j_f...@yahoo.com > Subject: Re: Question on WTO macro - Programming requirements > To: IBM-MAIN@bama.ua.edu > > I havent cleared R0 in my wtos and never had an issue, so mayb > John: > > I havent cleared R0 in my wtos and never had an issue, so maybe its something > new ??? new fix ? apar ? > > Scott J Ford > > > > > > ________________________________ > From: "Elliot, David" <elli...@aafes.com> > To: IBM-MAIN@bama.ua.edu > Sent: Thu, September 16, 2010 1:40:30 PM > Subject: Re: Question on WTO macro - Programming requirements > > Wasn't R0 used (at one time) for the message id to link multiline WTOs > together? > > David Elliot > > zSeries Software Support > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf > Of > McKown, John > Sent: Thursday, September 16, 2010 12:33 PM > To: IBM-MAIN@bama.ua.edu > Subject: Question on WTO macro - Programming requirements > > In: http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA2A990/88.1.2 > > it states: "You should clear register 0". But it doesn't say why. Nor does it > indicate whether it means the 32 bit portion or the 64 bit portion. I guess > it > doesn't really matter since GPR0 is "volatile", but I am curious. > > John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
