From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fee84,b3c24209310418d0 X-Google-Attributes: gidfee84,public X-Google-Thread: 103376,b3c24209310418d0 X-Google-Attributes: gid103376,public X-Google-Thread: 1164f8,b3c24209310418d0 X-Google-Attributes: gid1164f8,public From: jerry@jvdsys.nextjk.stuyts.nl (Jerry van Dijk) Subject: Re: Short DOSish note (was Re: Timing Ada programs using the DEC UNIX microtimer kernel option) Date: 1998/05/01 Message-ID: #1/1 X-Deja-AN: 349513029 References: <6hsab5$rh1$1@eplet.mira.net.au> <6i27ap$m85$1@panoramix.fi.upm.es> <6id2df$i2j@acmey.gatech.edu> Followup-To: comp.unix.osf.osf1,comp.sys.dec,comp.lang.ada Organization: * JerryWare *, Leiden, Holland Newsgroups: comp.unix.osf.osf1,comp.sys.dec,comp.lang.ada Date: 1998-05-01T00:00:00+00:00 List-Id: John M. Mills (jm59@prism.gatech.edu) wrote: : DOS needs the 18.2Hz to continue for important services, but you can easily : 'hook' the interrupt, reprogram the counter, and call a user routine at : multiples of 18.2 Hz, so long as you also call the DOS service at 18.2 Hz. I didn't get the thread here, but on the subject of DOS, it is also possible to get microsecond timing if neccesary. I did this using GNAT, but it also should be possible using OA. Jerry. -- -- Jerry van Dijk | email: jdijk@acm.org -- Leiden, Holland | member Team-Ada