On Thu, 4 Feb 2021 19:44:00 -0500 Tony Harminc wrote:
:>On Thu, 4 Feb 2021 at 18:12, Steve Smith wrote:
:>> The instruction is IAC, in PoOp Chapter 10.
:>Hmmph... I never noticed that one. I use EPSW (generally R0,0) and the
:>appropriate TMLx instruction(s) to examine whichever bits I'm
It is uncommon to want to do this.
If you are SVC-entered or PC-entered, you should know (because at some
point you set up the definition).
If you are branch-entered when it might be either primary or AR, you would
usually save status via BAKR, then switch unconditionally to whichever
mode you
On Thu, 4 Feb 2021 at 18:12, Steve Smith wrote:
>
> The instruction is IAC, in PoOp Chapter 10.
Hmmph... I never noticed that one. I use EPSW (generally R0,0) and the
appropriate TMLx instruction(s) to examine whichever bits I'm
interested in. IAC has the advantage of setting the condition code
The instruction is IAC, in PoOp Chapter 10.
sas
On Thu, Feb 4, 2021 at 5:51 PM esst...@juno.com wrote:
> Hello
> .
> Im looking for an assembler instruction that informs me if I'm in AR or
> primary mode.
> .
> Im on a z/OS 2,1 system-
> I thought there was an instruction that would test for
Hello
.
Im looking for an assembler instruction that informs me if I'm in AR or primary
mode.
.
Im on a z/OS 2,1 system-
I thought there was an instruction that would test for AR Mode or Primary Mode.
.
I read the TAR (test Access) instruction and I don't see how that instruction
would
