<snip> The TRAP facility was originally implemented in the hardware for Y2K support. </snip>
Not as far as I know. Remember, you need to update the DUCT (and of course need the authority to get into a state where you can do so) in order to have it work. It was implemented for debuggers. That's why there are both TRAP2 and TRAP4. The debug tool uses it. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN