On 19 October 2010 13:40, Edward Jaffe <[email protected]> wrote: > On 10/19/2010 9:03 AM, Robert Raicer wrote:
>> I was not aware of Long Displacement Facility "simulation/emulation >> software" which was distributed as a base part of z/OS. Was this >> simulation capability available in z/VM? > > The only "simulation/emulation" I know of was the millicode upgrade to the > Licensed Internal Code on the processor hardware. Was there something > distributed with z/OS? If you think a millicode version would be slow, just imagine doing it by trapping program checks... I can't imagine anything like this was ever used outside IBM's labs under VM. And of course it would be completely unable to catch the instructions that are the topic of this thread. Tony H.
