> I had thought (but I can't cite) that LPSW is sensitive to the 
> difference between
> a scrunched and a nonscrunched PSW (flag bit in a CR or in the PSW 
itself?)
> and capable of interpreting either correctly.

  In z/Architecture, the LPSW operand is a 64-bit ESA/390-format PSW, 
which LPSW expands to a 128-bit z/Architecture-format PSW.

 The LPSWE operand is a  128-bit z/Achitecture-format PSW. 

 This has been documented in z/Architecture Principles of Operation
for 15 years. 

Jim Mulder   z/OS System Test   IBM Corp.  Poughkeepsie,  NY



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