On Mon, 4 Nov 2024 at 09:30, Seymour J Metz <sme...@gmu.edu> wrote: > 1. No, it was an RPQ. > > 2. No, it was TSS/360. > > It turned out that there were practical issues with 32-bit code, e.g., BXH > and BXLE used signed arithmetic. >
That problem has returned with 64-bit mode in zArch. Not that it's a "real" issue - just make sure your data doesn't cross the 63-bit boundary... Tony H. ________________________________________ > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf > of Joe Monk <000005971158733e-dmarc-requ...@listserv.ua.edu> > Sent: Monday, November 4, 2024 1:01 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: 32 bit > > Caution: This email did not originate from George Mason’s mail system. Do > not click links or open attachments unless you recognize the sender and > know the content is safe. > > > "I understand the model 67 supported 32-bit addresses." > > 1. It was an PRPQ > 2. the only OS support for 32-bits was in ACP/TPF > > Joe > > On Sun, Nov 3, 2024 at 2:59 PM Paul Gilmartin < > 0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> wrote: > > > On Fri, 1 Nov 2024 15:45:07 -0500, Linda Chui wrote: > > > ... > > >The IBM Open XL C/C++ 2.1 for z/OS compiler describes most of the > details > > in the documentation at > https://www.ibm.com/docs/en/open-xl-c-cpp-zos/2.1 > > , and more specifically about the linkages at > > > https://www.ibm.com/docs/en/open-xl-c-cpp-zos/2.1?topic=new-32-bit-support > > . > > >For downloading it: > > > https://early-access.ibm.com/software/support/trial/cst/programwebsite.wss?siteId=2041&h=null&p=null > > . > > >The documentation says that the compiler supports both 64-bit and 31-bit > > addressing modes now for the 2.1 version of the compiler, so it is new. > > >Note there is no 24-bit support, though I’m sure you can ask for it if > > you want it through the request/idea system. > > > > > It would be a disservice to customers to retire 24-bit support berore > > all IBM programming interfaces support AMODE 31. > > > > I understand Java uses 32-bit addresses, but it's an interpreter. > > > > I understand the model 67 supported 32-bit addresses. > > > > -- > > gil > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
