Sorry misspelled the name John McKown. Excuse me Sent from my iPhone
On Mar 6, 2012, at 4:00 PM, Micheal Butz <michealb...@optonline.net> wrote: > John Mckiwns reply was a explanation of the SAC inst. Which I am aware of > > The Doc for LAE says the inst the functionality is dependent on PSW bits > > 16 17 address space control bits these are set by the SAC inst > > > So my original question remains does > > Should address space control buts be set via the sac before executing the LAE > > > Sent from my iPhone > > On Mar 6, 2012, at 3:37 PM, Rob Scott <rsc...@rocketsoftware.com> wrote: > >> John McKown's reply covered these points very well >> >> Rob Scott >> Lead Developer >> Rocket Software >> 275 Grove Street * Newton, MA 02466-2272 * USA >> Tel: +1.781.684.2305 >> Email: rsc...@rs.com >> Web: www.rocketsoftware.com >> >> >> -----Original Message----- >> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf >> Of Micheal Butz >> Sent: 06 March 2012 19:59 >> To: IBM-MAIN@bama.ua.edu >> Subject: Re: LAE instruction >> >> Thanks >> >> Regarding my questions >> >> The doc says the inst is dependent >> On address space control bits which is set by the SAC inst. >> >> Secondly seems like the displacement doesn't play a role in the inst >> >> Sent from my iPhone >> >> On Mar 6, 2012, at 2:49 PM, Rob Scott <rsc...@rocketsoftware.com> wrote: >> >>>> You have coded "LAE R3,0(R4)" - which is the same as "LAE R3,(R4,R0)" >>> >>> Should read : >>> >>> You have coded "LAE R3,0(R4)" - which is the same as "LAE R3,0(R4,R0)" >>> >>> Rob Scott >>> Lead Developer >>> Rocket Software >>> 275 Grove Street * Newton, MA 02466-2272 * USA >>> Tel: +1.781.684.2305 >>> Email: rsc...@rs.com >>> Web: www.rocketsoftware.com >>> >>> >>> -----Original Message----- >>> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On >>> Behalf Of Rob Scott >>> Sent: 06 March 2012 19:47 >>> To: IBM-MAIN@bama.ua.edu >>> Subject: Re: LAE instruction >>> >>> Commas are *very* important in AR-mode >>> >>> You have coded "LAE R3,0(R4)" - which is the same as "LAE R3,(R4,R0)" >>> >>> Coded that way there is no automatic way that AR3 is going to inherit the >>> AR4 value. >>> >>> You need : "LAE R3,0(,R4)" >>> >>> This will ensure that AR3 is populated from the AR for the referenced base >>> register R4. >>> >>> >>> Rob Scott >>> Lead Developer >>> Rocket Software >>> 275 Grove Street * Newton, MA 02466-2272 * USA >>> Tel: +1.781.684.2305 >>> Email: rsc...@rs.com >>> Web: www.rocketsoftware.com >>> >>> >>> -----Original Message----- >>> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On >>> Behalf Of Micheal Butz >>> Sent: 06 March 2012 19:05 >>> To: IBM-MAIN@bama.ua.edu >>> Subject: LAE instruction >>> >>> Hi, >>> >>> >>> >>> I have two part question regarding the LAE instruction >>> >>> >>> >>> . What would the sac value e.g. 256,512,768 have to be that when >>> using the LAE instructions with the following operands LAE 3,0(R4) >>> would >>> AR3 get loaded with AR4 >>> >>> >>> >>> . Second what value does the displacement play in the instruction >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> Thanks >>> >>> >>> ---------------------------------------------------------------------- >>> For IBM-MAIN subscribe / signoff / archive access instructions, send >>> email to lists...@bama.ua.edu with the message: INFO IBM-MAIN >>> >>> ---------------------------------------------------------------------- >>> For IBM-MAIN subscribe / signoff / archive access instructions, send >>> email to lists...@bama.ua.edu with the message: INFO IBM-MAIN >>> >>> ---------------------------------------------------------------------- >>> For IBM-MAIN subscribe / signoff / archive access instructions, send >>> email to lists...@bama.ua.edu with the message: INFO IBM-MAIN >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, send email >> to lists...@bama.ua.edu with the message: INFO IBM-MAIN >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN
