On Thu, 4 Apr 2019 15:03:43 +0000, Gene Hudders <eshudd...@aol.com> wrote:
> I'm sorry, but I don't have to make any changes > to my 31 bit programs using CALLs and using > 64-bit addressing. We have lots of programs > doing both AM31 and AM64 with the only change > is the instructions to change the addressing mode. If you are changing addressing mode to 31-bit, so that you can cope with the x'80' bit in a CALL, then you would need to do the same thing with an AM32 program. > Do you realize how many user programs that > have CALLs embedded in the code that would > require eliminating the HO X'80' bit? A problem that exists when trying to convert to pure AM64 too. BFN. Paul. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN