Michael wrote: > On z/Architecture, are there instructions that the machine will execute that > are not following the Principles of Operation documentation? Or would all > such instructions get a specification exception?
It's my understanding that millicode instructions are "real" instructions with opcodes and such that are simply not documented. I also heard that they have their own set of registers to use. Could be wrong, though. =============================== Adam Johanson Broadcom Mainframe Software Division ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
