On Monday, 11/03/2008 at 04:08 EST, "Schuh, Richard" <[EMAIL PROTECTED]> wrote: > I never did the disabled loop thing. My special purpose O/S was of the > enabled sort; however, it did not use TSCH or STCH, it was in the SIOF > era. It is nice to see that CP optimizes the loop, so to speak.
Feel free to substitue SIO(F)/TIO for SSCH/TSCH. While the semantics of the I/O subsystem changed from 370 to XA, the actual operation didn't, so it behaves the same way. Alan Altmark z/VM Development IBM Endicott
