Tony, Not quite.
You are correct about ISK/SSK. HDV and SIOF were NOT part of the S/360 instruction set, but rather arrived with the S/370. The remaining S/360 privileged instruction were DIAG, LPSW, and SSM, all of which remain available. John P. Baker -----Original Message----- From: IBM Mainframe Assembler List [mailto:[email protected]] On Behalf Of Tony Harminc Sent: Tuesday, August 31, 2010 12:05 PM To: [email protected] Subject: Re: Number of added instructions? I think a few more than 6 of the old privops have gone. SSK/ISK and RRB come to mind, and there are more than 4 I/O instructions that have disappeared, even if you count pairs like HIO/HDV and SIO/SIOF as just one each. Tony H.
