My analysis of SYS1.LINKLIB shows 23.8% of the modules are AMODE24. Including the new and improved IEBCOPY.
Regards, John K From: Ed Jaffe <[email protected]> To: [email protected] Date: 04/19/2013 11:32 AM Subject: AMODE(24). How much is there? Sent by: IBM Mainframe Assembler List <[email protected]> I saw a discussionon IBM-MAINrecently about how many MVS TCBs was "too many" MVS TCBs in an address space. System control blocks like TCB, located in LSQA below 16MB, will likely never be moved above 16MB since it's still possible for a 24-bit program to load PSATOLD and reference GUPI fields in the TCB. This got me wondering about just how much AMODE(24) code is still out there--not only for z/OS but for other operating systems as well. Any ideas? Are most programs still 24-bit? Half of them? Ten percent or less? -- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Segundo, CA 90245 http://www.phoenixsoftware.com/
