> does this mean IBM has an issue in that they aren't clearing the flags >from the DCB address when they load it for passing to the SYNAD exit, or is >it my responsibility to clear the high byte
Not sure, but I can darn sure tell you what the fastest resolution would be! Charles On Mon, 6 Nov 2023 11:46:16 -0600, Charles Hardee <[email protected]> wrote: >To answer Seymour J. Metz's question first, it's specified in the DCB. > >To answer Charles Mills' question, the module is defined as RMODE 24, AMODE >ANY, so the I/O was issued in 31-bit mode. > >Which now rings a bell, I, too, vaguely remember that SYNAD is called in >the A-Mode of the code issuing the I/O. > >So, does this mean IBM has an issue in that they aren't clearing the flags >from the DCB address when they load it for passing to the SYNAD exit, or is >it my responsibility to clear the high byte before trying to use the DCB >address in the low 3? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
