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Re: cost of prolog/epilog

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From Chris Gray <cg@GraySage.com>
Newsgroups comp.arch
Subject Re: cost of prolog/epilog
References <j7pu4q$ndv$1@USTR-NEWS.TR.UNISYS.COM> <j94bmk$rq3$1@news.albasani.net> <1ka9v9g.1jhyz5n1o6blj4N%wclodius@lost-alamos.pet> <j94sfn$dma$1@news.albasani.net> <Uz8vq.7593$0%4.5604@newsfe12.ams2> <j9jtlf$ffk$1@news.albasani.net> <87y5vmo130.fsf@GraySage.com> <j9kgmc$so0$1@news.albasani.net> <jpm2p8-k571.ln1@ntp6.tmsw.no> <874ny93voz.fsf_-_@Niukka.kon.iki.fi> <l563p8-n081.ln1@ntp6.tmsw.no> <2011Nov14.104535@mips.complang.tuwien.ac.at> <j9sa38$mna$1@news.albasani.net> <87aa7xni6m.fsf@GraySage.com> <2011Nov16.103008@mips.complang.tuwien.ac.at> <nlecp8-kkp1.ln1@ntp6.tmsw.no>
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Terje Mathisen <"terje.mathisen at tmsw.no"> writes:

> The emulator asm code is of course 16-bit x86, the machine being
> emulated looks like 8080-something!

Yes. It was a few selected lines from my CP/M-80 emulator written
for CP/M-86. Long long ago I had a dual-CPU S100 card with 8085 and
8088. Software for CP/M-80, but little for CP/M-86, so I wrote the
emulator to allow me to do more. All of my own stuff worked, but a
commercial full-screen editor didn't - I expect I wasn't emulating
the low-memory stuff (128 bytes of "OS" stuff) properly. Could also
have been instructions my stuff didn't use, of course.

-- 
Chris Gray

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big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-20 19:51 +0000
  Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-20 22:35 +0200
    Re: big-little Mark Thorson <nospam@sonic.net> - 2011-10-20 14:18 -0800
      Re: big-little nmm1@cam.ac.uk - 2011-10-21 07:54 +0100
        Re: big-little David Kanter <dkanter@gmail.com> - 2011-11-09 01:06 -0800
          Re: big-little nmm1@cam.ac.uk - 2011-11-09 11:07 +0000
      Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-21 09:25 +0200
      Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-21 11:07 -0400
        Re: big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-21 16:28 +0000
          Re: big-little nmm1@cam.ac.uk - 2011-10-21 17:07 +0100
          Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-21 13:25 -0400
            Re: big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-21 19:45 +0000
              Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-22 14:44 -0400
          Re: big-little ChrisQ <meru@devnull.com> - 2011-10-22 16:57 +0000
            Re: big-little nmm1@cam.ac.uk - 2011-10-22 17:40 +0100
              Re: big-little ChrisQ <meru@devnull.com> - 2011-10-23 14:39 +0000
                Re: big-little nmm1@cam.ac.uk - 2011-10-23 16:11 +0100
                Re: big-little ChrisQ <meru@devnull.com> - 2011-10-23 17:44 +0000
                Re: big-little nmm1@cam.ac.uk - 2011-10-23 18:46 +0100
                Re: big-little Thomas Womack <twomack@chiark.greenend.org.uk> - 2011-10-23 19:30 +0100
                Re: big-little nmm1@cam.ac.uk - 2011-10-23 19:59 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-23 13:21 -0700
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-23 20:38 +0200
                Re: big-little nmm1@cam.ac.uk - 2011-10-23 22:38 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-23 17:56 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-24 07:58 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-24 16:34 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-25 08:09 +0100
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-25 14:52 +0200
                Re: big-little nmm1@cam.ac.uk - 2011-10-25 17:28 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-25 13:06 -0700
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-25 15:22 -0700
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-10-25 19:47 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 08:09 +0100
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-26 12:06 +0200
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 10:47 +0100
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-26 11:58 +0200
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 10:44 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 03:45 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 11:45 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 09:15 -0700
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-10-26 12:51 -0700
                Re: big-little Andrew Reilly <areilly---@bigpond.net.au> - 2011-10-26 11:45 +0000
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 15:42 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 09:07 -0700
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-10-26 12:53 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-26 21:05 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 13:20 -0700
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-10-26 17:55 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-27 09:10 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 01:34 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-27 10:29 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 04:28 -0700
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-27 12:22 -0400
                Re: big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-27 18:08 +0000
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 11:50 -0700
                Re: big-little Jean-Marc Bourguet <jm@bourguet.org> - 2011-10-27 14:10 +0200
                Re: big-little nmm1@cam.ac.uk - 2011-10-27 17:58 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 13:15 -0700
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 04:10 -0700
                Re: big-little MitchAlsup <MitchAlsup@aol.com> - 2011-10-27 14:04 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-27 23:07 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 15:58 -0700
                Re: big-little Rick Jones <rick.jones2@hp.com> - 2011-10-27 22:57 +0000
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-27 16:39 -0700
                Re: big-little Rick Jones <rick.jones2@hp.com> - 2011-10-28 00:16 +0000
                Re: big-little nmm1@cam.ac.uk - 2011-10-28 09:52 +0100
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-28 07:01 -0700
                Re: big-little Rick Jones <rick.jones2@hp.com> - 2011-10-28 16:45 +0000
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-29 13:13 -0700
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-30 03:36 -0700
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-30 03:55 -0700
                Re: big-little MitchAlsup <MitchAlsup@aol.com> - 2011-10-28 11:15 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-28 20:01 +0100
                Re: big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-29 17:46 +0000
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-29 11:30 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-29 20:02 +0100
                Re: big-little MitchAlsup <MitchAlsup@aol.com> - 2011-10-29 13:09 -0700
                Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-10-29 17:42 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-10-30 08:16 +0000
                Re: big-little MitchAlsup <MitchAlsup@aol.com> - 2011-11-04 10:06 -0700
                Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-11-04 15:19 -0700
                Re: big-little nmm1@cam.ac.uk - 2011-11-05 09:13 +0000
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-11-05 09:03 -0700
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 13:38 -0700
                Re: big-little Robert Wessel <robertwessel2@yahoo.com> - 2011-10-26 18:44 -0500
                Re: big-little Michael S <already5chosen@yahoo.com> - 2011-10-26 17:05 -0700
                Re: big-little Robert Wessel <robertwessel2@yahoo.com> - 2011-10-26 21:03 -0500
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-26 14:37 -0400
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-26 15:38 -0400
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-10-26 16:06 -0400
                Re: big-little BGB <cr88192@hotmail.com> - 2011-10-27 00:15 -0700
                Re: big-little Morten Reistad <first@last.name> - 2011-11-03 17:30 +0100
                Re: big-little "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-11-03 20:45 -0700
                Re: big-little Thomas Womack <twomack@chiark.greenend.org.uk> - 2011-11-04 11:13 +0000
                Re: big-little MitchAlsup <MitchAlsup@aol.com> - 2011-11-04 10:12 -0700
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-04 09:26 -0700
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-11-05 11:32 -0400
                Re: big-little EricP <ThatWouldBeTelling@thevillage.com> - 2011-11-05 11:55 -0400
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-05 09:58 -0700
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-05 18:39 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-05 15:00 -0700
                Re: big-little wclodius@lost-alamos.pet (William Clodius) - 2011-11-05 18:43 -0600
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-05 19:46 -0700
                Re: big-little ChrisQ <meru@devnull.com> - 2011-11-11 12:31 +0000
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-11 12:39 -0700
                Re: big-little Chris Gray <cg@GraySage.com> - 2011-11-11 13:28 -0700
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-11 18:03 -0700
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-12 18:25 +0100
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-12 12:02 -0700
                cost of prolog/epilog (was: big-little) Kalle Olavi Niemitalo <kon@iki.fi> - 2011-11-12 22:57 +0200
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-12 22:47 +0100
                Re: cost of prolog/epilog anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-14 09:45 +0000
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-14 12:28 +0100
                Re: cost of prolog/epilog anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-15 16:48 +0000
                Re: cost of prolog/epilog Stefan Monnier <monnier@iro.umontreal.ca> - 2011-11-15 21:35 -0500
                Re: cost of prolog/epilog Bakul Shah <usenet@bitblocks.com> - 2011-11-16 02:41 -0800
                Re: cost of prolog/epilog nmm1@cam.ac.uk - 2011-11-16 18:14 +0000
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-16 16:50 -0700
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-14 17:00 -0700
                Re: cost of prolog/epilog torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-11-15 10:26 +0100
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-15 09:41 -0700
                Re: cost of prolog/epilog anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-15 16:40 +0000
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-15 12:44 +0100
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-15 09:01 -0700
                Re: cost of prolog/epilog Chris Gray <cg@GraySage.com> - 2011-11-15 15:18 -0700
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-15 21:56 -0700
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-16 09:21 +0100
                Re: cost of prolog/epilog anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-16 09:30 +0000
                Re: cost of prolog/epilog John Levine <johnl@iecc.com> - 2011-11-16 10:05 +0000
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-16 11:08 +0100
                Re: cost of prolog/epilog Chris Gray <cg@GraySage.com> - 2011-11-16 16:29 -0700
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-16 11:22 -0700
                Re: cost of prolog/epilog anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-17 13:27 +0000
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-17 10:30 -0700
                Re: cost of prolog/epilog torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-11-17 11:21 +0100
                Re: cost of prolog/epilog Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-11-17 11:56 +0100
                Re: cost of prolog/epilog timcaffrey@aol.com (Tim McCaffrey) - 2011-11-17 20:27 +0000
                Re: cost of prolog/epilog torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-11-18 10:57 +0100
                Re: cost of prolog/epilog BGB <cr88192@hotmail.com> - 2011-11-17 10:42 -0700
                Re: cost of prolog/epilog (was: big-little) "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-11-12 14:05 -0800
                Re: cost of prolog/epilog (was: big-little) Bernd Paysan <bernd.paysan@gmx.de> - 2011-11-18 02:39 +0100
                Re: cost of prolog/epilog torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-11-18 10:59 +0100
                Re: cost of prolog/epilog Bernd Paysan <bernd.paysan@gmx.de> - 2011-11-18 22:06 +0100
                Re: cost of prolog/epilog (was: big-little) mac <acolvin@efunct.com> - 2011-11-20 23:01 +0000
                Re: cost of prolog/epilog Chris Gray <cg@GraySage.com> - 2011-11-13 13:35 -0700
                Re: big-little wclodius@lost-alamos.pet (William Clodius) - 2011-11-11 22:13 -0700
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-11 23:43 -0700
                Re: big-little Chris Gray <cg@GraySage.com> - 2011-11-12 14:08 -0700
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-12 19:10 -0700
                Re: big-little Chris Gray <cg@GraySage.com> - 2011-11-13 13:40 -0700
                Re: big-little Bakul Shah <usenet@bitblocks.com> - 2011-11-13 14:49 -0800
                Re: big-little BGB <cr88192@hotmail.com> - 2011-11-13 18:51 -0700
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-24 10:12 +0200
                Re: big-little Stefan Monnier <monnier@iro.umontreal.ca> - 2011-10-24 12:11 -0400
                Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-10-24 10:28 -0700
                Re: big-little nospam@ab-katrinedal.dk (Niels Jørgen Kruse) - 2011-10-24 19:38 +0200
                Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-24 21:02 +0200
                Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-10-23 12:02 -0700
        Re: big-little Morten Reistad <first@last.name> - 2011-11-03 00:51 +0100
    Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-10-20 16:59 -0700
      Re: big-little Anne & Lynn Wheeler <lynn@garlic.com> - 2011-10-20 21:13 -0400
      Re: big-little nmm1@cam.ac.uk - 2011-10-21 08:01 +0100
        Re: big-little "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-10-21 05:39 -0700
        Re: big-little torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-10-24 10:18 +0200
      Re: big-little Pedro Pereira <ppereira@grupopie.com> - 2011-10-21 10:40 +0100
        Re: big-little Paul Gotch <paulg@at-cantab-dot.net> - 2011-10-21 12:42 +0100
    Re: big-little nik Simpson <nik_s@knology.net> - 2011-10-21 11:00 -0500
  Re: big-little Rick Jones <rick.jones2@hp.com> - 2011-10-20 21:13 +0000
    Re: big-little timcaffrey@aol.com (Tim McCaffrey) - 2011-10-20 21:43 +0000
    Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-21 09:23 +0200
      Re: big-little Terje Mathisen <"terje.mathisen at tmsw.no"> - 2011-10-21 14:35 +0200
        Re: big-little Rick Jones <rick.jones2@hp.com> - 2011-10-21 17:15 +0000
      Re: big-little BGB <cr88192@hotmail.com> - 2011-10-21 16:41 -0700
  Re: big-little jacko <jackokring@gmail.com> - 2011-10-26 14:12 -0700

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