>So regardless of where the registers are saved TCB or RB the PSW is always >In the most current RB
If and only if the task is not currently running. Otherwise the PSW is in the "hardware". I think of it this way: the top RB (and its XSB) has the PSW that was last saved for that task. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
