> -----Original Message----- > From: IBM Mainframe Discussion List On Behalf Of Edward E. Jaffe > > Steve Comstock wrote: > > > Will the new instructions, and modifications to existing > instructions, > > introduced with the z9 series be retrofitted to the earlier z800, > > z890, z900 and / or z990 series? > > > No. But you can use STFLE to determine which facilities are > present. The presence of STFLE is indicated by bit 7 of the > output from STFL in the PSA.
But STFL is a privileged instruction (STFLE is not). Who issues the original STFL? the operating system during IPL? -jc- ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html