ZONEDATA(MIG) is meant to provide compatibility with the NUMPROC(MIG) option in pre-V5 versions. COBOL 4.2 with NUMPROC(MIG) abends with a S0C7 with the following instructions:-
001154 IF 0004CC 4DE0 9152 BAS 14,338(0,9) TGT TEST INFORMATION AREA +10 0004D0 GN=19 EQU * 0004D0 F211 D110 8010 PACK 272(2,13),16(2,8) TS2=0 AS-NUMS 0004D6 F911 D110 A0B2 CP 272(2,13),178(2,10) TS2=0 PGMLIT AT +162 This APAR explains that in versions 5 to just before the recent 6.2 fix it was "incorrectly" fixing the S0C7:- https://www.ibm.com/support/pages/apar/PH28379 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN