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 <[email protected]> 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: [email protected] > Web: www.rocketsoftware.com > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf > Of Rob Scott > Sent: 06 March 2012 19:47 > To: [email protected] > 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: [email protected] > Web: www.rocketsoftware.com > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf > Of Micheal Butz > Sent: 06 March 2012 19:05 > To: [email protected] > 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 > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
