It's not clear that the author ever heard of EX. Some of the code is decades old, and a mass cleanup is not authorized. I'm not rven sure whether I can get permission to fix a macro that IEABRC breaks (it uses the BDDD of a B as a first-time switch.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> on behalf of Paul Gilmartin <00000014e0e4a59b-dmarc-requ...@listserv.uga.edu> Sent: Thursday, May 2, 2024 5:12 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: IEABRC anomaly On 5/2/24 11:16:13, Seymour J Metz wrote: > Except that IEABRC is only necessary for old code. I've inherited code that > uses NOP as a switch, overlaying the mask with F. > . Self-modifying or EX code!? -- gil
