Or
LR 12,15
USING entrypointname,12
On Mon, 2 Dec 2019 at 10:03, John McKown <[email protected]>
wrote:
> On Mon, Dec 2, 2019 at 8:31 AM Steve Smith <[email protected]> wrote:
>
> > Yep, serious, at least as far as a moot & hypothetical discussion of
> > history goes. There are (hypothetically) other ways to handle those
> > issues.
> >
> > Having R15 as the incoming EPA has never been more than a convenience
> > anyway. The first example program in my first assembler class (long
> before
> > MVS/XA, much less relative addressing) used BALR 12,0 to set the base
> > address.
> >
>
> I used to do that too. What I didn't like was the offsets from the base was
> two bytes less than the offsets in the assembler listing. Therefore I did
> two BCTR base,0 instructions after the BALR to "make them correct".
>
>
>
> >
> > sas
> >
> >
> > --
> > sas
> >
>
>
> --
> People in sleeping bags are the soft tacos of the bear world.
> Maranatha! <><
> John McKown
>
