Yep. APL\360 will fail if you use more than 8MiB. On Sun, Mar 29, 2020 at 6:42 PM Charles Mills <[email protected]> wrote: > > Hardware upward compatibility of problem state code is darned near 100%. > > Some privileged instructions have gone away, but that is only a concern if > you are porting an OS, or OS-like code such as "extreme" system exits. > > Software compatibility is 98 or 99%. For example, application code that > assumes certain 24-bit MVS fields could be used directly as addresses will > fail on modern z/OS. > > Charles > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Grant Steele > Sent: Sunday, March 29, 2020 3:40 PM > To: [email protected] > Subject: Upwards Compatibility of Code in Z series Boxes > > Impressed with the depth on this list from the contributors. I am getting > back into the z-series software and application development after years of > being in another domain. > > Here is a very broad question: when you guys/girls are moving your app > portfolio from one hardware platform to another (say, z14 to z15), to what > extend are the apps compatible with the new platform without recompilation? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN
-- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
