David L Clark/it/crp/WinWholesale wrote on 01/21/2022 12:18:30 PM:
> Previously, when using STM/LM for the caller's 72-byte save area, I
> would store my R15 return code in the caller's save area before
> issuing LM/BR to return to caller. My question is, in a BAKR/PR
> situation, how do you pass back what would normally be a register 15
> return code? I'm trying to wade though the information on the PR
> instruction in hopes of finding this answer, but there is quite a
> lot of it -- over 3 pages.
Oh, it looks like only registers 2-14 are unstacked by the PR
instruction. So, anything in register 15 (like a return code) would
remain. Let me know if I've got that wrong. Thanks.
Sincerely,
Dave Clark
--
Winsupply Group Services
3110 Kettering Boulevard
Dayton, Ohio 45439 USA
(937) 294-5331
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