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Groups > alt.folklore.computers > #153320

Re: the FORTH computer language

From Morten Reistad <first@last.name.invalid>
Newsgroups alt.folklore.computers
Subject Re: the FORTH computer language
Date 2015-10-24 22:37 +0200
Organization Me, Myself and I
Message-ID <1q6tfc-5l5.ln1@sambook.reistad.name> (permalink)
References <n0e6hl$kjl$1@dont-email.me> <n0ef99$r9l$1@dont-email.me> <PM000522D9EAB50649@aca44296.ipt.aol.com> <slrnn2n8mj.1ur.plan.b@ID-309335.user.uni-berlin.de>

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In article <slrnn2n8mj.1ur.plan.b@ID-309335.user.uni-berlin.de>,
Stan Barr  <plan.b@bluesomatic.org> wrote:
>On 24 Oct 2015 13:23:14 GMT, jmfbahciv <See.above@aol.com> wrote:
>> gareth wrote:
>>> "David Hume" <David.Hume@example.com> wrote in message
>>> news:84a8r92ptx.fsf@example.com...
>>>> "gareth" <no.spam@thank.you.invalid> writes:
>>>>> "gareth" <no.spam@thank.you.invalid> wrote in message
>>>>> news:n0ah0n$1rk$1@dont-email.me...
>>>>>> ISTR a PDP-11 version where DUP resolved to MOV (SP), -(SP)
>>>>> Mea Culpa and a senior moment, I'd forgotten about the Return Stack and
>>>>> the
>>>>> Variable Stack of FORTH
>>>>> Change the above to read MOV (R0), -(R0)
>>>>
>>>> It doesn't really matter. I think we are talking at cross purposes. Your
>>>> discription of Forth as assembler is incorrect because Forth is cross
>>>> platform.
>>>
>>> As are emulations of instruction sets of old minicomputers such as the PDP8,
>>> but what is being executed is machine code derived from an assembler, just
>>> as FORTH is.
>>
>> You are wrong.  What is being executed is the running machine's machine
>> code _after_ the old PDP instruction has been transformed from the PDP
>> instruction into the running machine's instruction.  In this case,
>> the emulator is an app which can spawn a child which "runs" an old
>> OS.  that OS can then spawn "jobs" which will run old apps.  And
>> so on, and so on.
>>
>> The OS running on the real hardware, schedules the emulator.  The emulator
>> then runs the old OS which can do its own scheduling.  The emulator is
>> not an OS and doesn't provide "timesharing".  ARe there any emulators
>> which are reentrant?
>
>The MSDOS Ersatz-11 PDP-11 emulator turns PDP-11 instructions into a 
>sequence of x86 instructions which are executed directly.  No use is
>made of MSDOS and there is a stand-alone version which doesn't require
>an OS at all.  It will do anything (pretty much) that a real PDP-11
>can do.  (Even run PDP-11 Forth from a stand-alone bootable image - 
>though I haven't actually tried that, but the FIG docs say it can)

and the x86 instructions may be executed by microcode, or even morphed
into some other code, like the transmeta designs do.

So what is the "real" code may differ a bit depending on the viewpoint.

-- mrr

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Thread

the FORTH computer language hancock4@bbs.cpcn.com - 2015-10-19 11:57 -0700
  Re: the FORTH computer language mentificium@gmail.com - 2015-10-20 05:05 -0700
  Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-20 13:57 -0400
    Re: the FORTH computer language Daiyu Hurst <daiyu.hurst@gmail.com> - 2015-10-24 21:26 -0700
      Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-25 10:17 +0000
      Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-25 18:13 -0500
        Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-25 21:35 -0400
          Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-26 14:28 -0500
            Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-26 17:46 -0400
              Re: the FORTH computer language Peter Flass <peter_flass@yahoo.com> - 2015-10-26 17:49 -0400
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:29 -0500
              Re: the FORTH computer language Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-27 19:55 +0000
  Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-21 11:45 +0100
    Re: the FORTH computer language Whiskers <catwheezel@operamail.com> - 2015-10-21 12:34 +0000
      Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-21 14:36 +0100
    Re: the FORTH computer language David Hume <David.Hume@example.com> - 2015-10-22 09:38 +0100
      Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-22 11:07 +0100
        Re: the FORTH computer language David Hume <David.Hume@example.com> - 2015-10-22 11:35 +0100
          Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-22 12:26 +0100
            Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-23 21:52 +0100
              Re: the FORTH computer language David Hume <David.Hume@example.com> - 2015-10-23 23:16 +0100
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-24 00:21 +0100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-24 13:23 +0000
                Re: the FORTH computer language Stan Barr <plan.b@bluesomatic.org> - 2015-10-24 15:25 +0000
                Re: the FORTH computer language Morten Reistad <first@last.name.invalid> - 2015-10-24 22:37 +0200
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-25 13:30 +0000
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-25 13:30 +0000
                Re: the FORTH computer language Stan Barr <plan.b@bluesomatic.org> - 2015-10-25 15:53 +0000
                Re: the FORTH computer language Stan Barr <plan.b@bluesomatic.org> - 2015-10-25 16:08 +0000
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-26 12:08 +0000
                Re: the FORTH computer language Stan Barr <plan.b@bluesomatic.org> - 2015-10-26 16:24 +0000
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-24 16:26 +0100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-25 13:30 +0000
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-25 16:33 +0000
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-26 12:03 +0000
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 06:49 -0700
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 07:02 -0700
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 07:18 -0700
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 07:28 -0700
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 07:39 -0700
                Re: the FORTH computer language pechter@S20.pechter.dyndns.org (William Pechter) - 2015-10-26 16:25 +0000
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-26 14:36 -0500
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-26 17:41 -0400
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:26 -0500
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-27 22:47 -0400
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-27 12:22 +0000
                Re: the FORTH computer language Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-10-27 09:03 -0600
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:38 -0500
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-27 08:43 -0700
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:43 -0500
                Re: the FORTH computer language hankvc@blackhole.lostwells.org (Hank) - 2015-10-28 19:05 +0000
                Re: the FORTH computer language "78lp" <78lp@nospam.com> - 2015-10-28 16:08 +1100
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-28 05:43 -0700
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:37 -0500
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-27 18:48 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-28 12:58 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-28 08:15 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-29 13:55 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:37 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-30 04:58 +1100
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 12:19 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-28 12:58 +0000
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-28 11:08 -0700
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-28 18:46 +0000
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-28 17:58 -0400
                Re: the FORTH computer language David Hume <David.Hume@example.com> - 2015-10-28 22:04 +0000
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-28 17:39 -0500
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-29 00:13 -0400
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-28 22:52 -0600
                Re: the FORTH computer language "78lp" <78lp@nospam.com> - 2015-10-29 15:54 +1100
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-28 16:47 -0600
                Re: the FORTH computer language Walter Bushell <proto@panix.com> - 2015-11-04 12:04 -0500
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-29 05:54 +1100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-29 13:55 +0000
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 07:21 -0700
                Re: the FORTH computer language Andrew Swallow <am.swallow@btinternet.com> - 2015-10-29 16:48 +0000
                Re: the FORTH computer language JimP <solosam90@gmail.com> - 2015-10-29 14:47 -0500
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 15:09 -0700
                Re: the FORTH computer language Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 17:19 +0000
                Re: the FORTH computer language Greymaus <mausg@mail.com> - 2015-10-29 18:18 +0000
                Re: the FORTH computer language Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-29 18:02 +0000
                Re: the FORTH computer language Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 19:37 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 11:28 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:42 -0600
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-29 14:49 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:57 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-30 08:39 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-31 13:22 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-31 09:36 -0600
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-31 09:47 -0700
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-01 15:14 +1100
                Re: the FORTH computer language David Wade <dave.g4ugm@gmail.com> - 2015-11-01 16:38 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-02 12:58 +1100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-11-02 13:17 +0000
                Re: the FORTH computer language "Osmium" <r124c4u102@comcast.net> - 2015-11-02 10:05 -0600
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-31 15:23 +1100
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:44 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language hancock4@bbs.cpcn.com - 2015-10-30 12:25 -0700
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-31 13:22 +0000
                Re: the FORTH computer language David Wade <dave.g4ugm@gmail.com> - 2015-11-01 16:32 +0000
                Re: the FORTH computer language "Osmium" <r124c4u102@comcast.net> - 2015-11-01 11:03 -0600
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-11-01 12:48 -0500
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-11-02 13:17 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-03 07:16 +1100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-11-03 12:55 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-04 08:07 +1100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-11-04 13:52 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-05 08:52 +1100
                Re: the FORTH computer language Morten Reistad <first@last.name.invalid> - 2015-11-05 07:48 +0100
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-11-06 06:31 +1100
                Re: the FORTH computer language hancock4@bbs.cpcn.com - 2015-11-02 07:34 -0800
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-11-01 23:55 -0800
                Re: the FORTH computer language hancock4@bbs.cpcn.com - 2015-11-02 07:40 -0800
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-11-02 14:59 -0600
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-30 05:08 +1100
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-28 13:15 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-29 13:55 +0000
                Re: the FORTH computer language Andrew Swallow <am.swallow@btinternet.com> - 2015-10-29 16:47 +0000
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 07:29 -0700
                Re: the FORTH computer language "gareth" <no.spam@thank.you.invalid> - 2015-10-29 14:47 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:53 -0600
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-29 15:24 -0500
                Re: the FORTH computer language scott@slp53.sl.home (Scott Lurndal) - 2015-10-28 13:20 +0000
                Re: the FORTH computer language hankvc@blackhole.lostwells.org (Hank) - 2015-10-28 18:54 +0000
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-28 12:47 -0700
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-28 15:46 -0400
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-28 12:50 -0700
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-29 13:55 +0000
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 08:33 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-30 04:55 +1100
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-31 15:18 +1100
                Re: the FORTH computer language pechter@S20.pechter.dyndns.org (William Pechter) - 2015-10-29 19:34 +0000
                Re: the FORTH computer language Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 19:43 +0000
                Re: the FORTH computer language pechter@S20.pechter.dyndns.org (William Pechter) - 2015-10-29 20:04 +0000
                Re: the FORTH computer language hancock4@bbs.cpcn.com - 2015-10-29 13:28 -0700
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language pechter@S20.pechter.dyndns.org (William Pechter) - 2015-10-30 16:43 +0000
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-29 15:37 -0400
                Re: the FORTH computer language rpw3@rpw3.org (Rob Warnock) - 2015-11-03 06:56 +0000
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-29 13:55 +0000
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-29 15:47 -0400
                Re: the FORTH computer language Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 14:14 -0600
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-30 20:50 -0400
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-30 13:54 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-28 16:05 +1100
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-28 15:52 -0400
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-29 12:29 +1100
                Re: the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-29 15:51 -0400
                Re: the FORTH computer language Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-10-26 09:05 -0600
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-26 14:44 -0500
                Re: the FORTH computer language hancock4@bbs.cpcn.com - 2015-10-27 10:28 -0700
                Re: PDP-11, was the FORTH computer language John Levine <johnl@iecc.com> - 2015-10-26 17:19 +0000
                Re: PDP-11, was the FORTH computer language Rich Alderson <news@alderson.users.panix.com> - 2015-10-26 17:02 -0400
                Re: PDP-11, was the FORTH computer language pechter@S20.pechter.dyndns.org (William Pechter) - 2015-10-29 19:40 +0000
                Re: the FORTH computer language "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-26 14:34 -0500
                Re: the FORTH computer language Huge <Huge@nowhere.much.invalid> - 2015-10-26 21:22 +0000
                Re: the FORTH computer language Morten Reistad <first@last.name.invalid> - 2015-10-27 07:00 +0100
                Re: the FORTH computer language timcaffrey420@gmail.com - 2015-10-27 10:15 -0700
                Re: the FORTH computer language scott@slp53.sl.home (Scott Lurndal) - 2015-10-27 20:09 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-27 06:42 +1100
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 15:22 -0700
                Re: the FORTH computer language Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 15:23 -0700
                Re: the FORTH computer language Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-27 19:55 +0000
                Re: the FORTH computer language Michael Black <et472@ncf.ca> - 2015-10-27 16:09 -0400
                Re: the FORTH computer language Elliott Roper <nospam@yrl.co.uk> - 2015-10-25 19:31 +0000
                Re: the FORTH computer language jmfbahciv <See.above@aol.com> - 2015-10-26 12:03 +0000
                Re: the FORTH computer language scott@slp53.sl.home (Scott Lurndal) - 2015-10-26 13:10 +0000
                Re: the FORTH computer language "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-10-27 06:45 +1100
                Re: the FORTH computer language Stan Barr <plan.b@bluesomatic.org> - 2015-10-24 07:03 +0000

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