On Thu, Dec 29, 2016 at 3:20 PM, Tom Marchant < [email protected]> wrote:
> On Thu, 29 Dec 2016 14:17:30 -0600, John McKown wrote: > > >"The TCB is dispatched which causes z/OS to reload the regs & PSW > >from the values in the current RB, which pointed to by the TCBRBP field of > >the TCB." > > Well, the PSW is loaded from the RBOPSW, but the registers are loaded from > the TCB. The registers in the RB are the registers that were saved from the > TCB when the RB was created. > Wow. It's been so long that I had forgotten. The regs in the RB are the basically the regs for the program in the _previous_ RB. I need to re-read how the SCHEDIRB works more. > > -- > Tom Marchant > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Heisenberg may have been here. http://xkcd.com/1770/ Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
