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Sat, 2 Mar 2024 15:43:11 +0000 Date: Sat, 2 Mar 2024 15:43:10 +0000 (UTC) To: "tuhs@tuhs.org" , Paul Ruizendaal Message-ID: <640731257.131533.1709394190817@mail.yahoo.com> In-Reply-To: <6D7244BF-B050-46B7-9115-9665D82F6A6D@planet.nl> References: <6D7244BF-B050-46B7-9115-9665D82F6A6D@planet.nl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_131532_1172017618.1709394190815" X-Mailer: WebService/1.1.22103 YMailNorrin Message-ID-Hash: IO3YGHM4ODTRXWPVY6K4EFMAW4NIY3Q7 X-Message-ID-Hash: IO3YGHM4ODTRXWPVY6K4EFMAW4NIY3Q7 X-MailFrom: lynchaj@yahoo.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: "aek@bitsavers.org" X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: RIP Niklaus Wirth, RIP John Walker List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Andrew Lynch via TUHS Reply-To: Andrew Lynch ------=_Part_131532_1172017618.1709394190815 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable =20 On Saturday, March 2, 2024 at 03:54:57 AM EST, Paul Ruizendaal wrote: =20 =20 =20 > Al Kossow wrote: >=20 > > there are emulators that can still run it, along with its small library= of tools and applications. =E2=80=9CNOS/MT was left in an arrested state= =E2=80=9D as John puts it. >=20 > URL? >=20 > I've never heard of a surviving copy Your best start is here: http://www.powertrancortex.com The UK Powertran Cortex was quite close to the Marinchip M9900 in capabilit= ies and John=E2=80=99s software was ported to it. The website has an emulat= or and disk images for most of the user land and =E2=80=9CMDEX=E2=80=9D -- = a simple executive that John wrote to bootstrap his software stack. This ma= terial survived in the hands of a few Powertran Cortex enthusiasts. They al= so had disks for NOS/MT (binaries + sysgen), but those were found after tha= t website was made 10+ years ago. The Powertran Cortex design was also used to build an industrial control co= mputer, the PP95. The UK company behind that did most of the porting work a= nd had a complete M9900 system to do the work on. In 2018 the inventory of = that company was found in a garage including that M9900 system. Also more d= isk images and manuals, including the NOS/MT User Manual. The disks include= d a few that contained reconstituted (partial) source code for NOS/MT. With= a little help from John, I was able to reconstitute the remainder of the s= ource code. All this is not online. I will contact you off list to see how this can be best preserved. Paul Hi One of the builders on duodyne implemented a TMS9995 processor board simila= r to the powertrancortex but with IO and memory expansion options on the pa= rallel bus.=C2=A0 Mostly reusing the Z80 8-bit memory and IO (for now) but = not limited to it.=C2=A0 We were in contact with the original authors of po= wertrancortex mini-cortex and it was really great to get their perspective. The system runs Unix V6 for TMS9995 and MDEX.=C2=A0 Also, a TMS9995 debug m= onitor and I think a BASIC of some kind.=C2=A0 Don't know about NOS/MT sinc= e am not familiar with it but maybe it could be ported if the source is ava= ilable. If anyone is interested here it is:=C2=A0duodyne/20 processor.TMS9995 at ma= in =C2=B7 lynchaj/duodyne =C2=B7 GitHub I most use the Unix V6 since I am amazed at how well a legacy Unix runs on = a retrocomputer type system.=C2=A0 I've seen MDEX run but really don't know= enough about it to have an opinion either way. Thanks =20 ------=_Part_131532_1172017618.1709394190815 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


=20
=20
On Saturday, March 2, 2024 at 03:54:57 AM EST, Paul Rui= zendaal <pnr@planet.nl> wrote:



> Al Ko= ssow wrote:
>
> = > there are emulators that can still run it, along with its small librar= y of tools and applications. =E2=80=9CNOS/MT was left in an arrested state= =E2=80=9D as John puts it.
>
> URL?
>
> I've never heard of a surviving copy

=
Your best start is here: http://www.powertrancort= ex.com

The UK Powe= rtran Cortex was quite close to the Marinchip M9900 in capabilities and Joh= n=E2=80=99s software was ported to it. The website has an emulator and disk= images for most of the user land and =E2=80=9CMDEX=E2=80=9D -- a simple ex= ecutive that John wrote to bootstrap his software stack. This material surv= ived in the hands of a few Powertran Cortex enthusiasts. They also had disk= s for NOS/MT (binaries + sysgen), but those were found after that website w= as made 10+ years ago.

The Powertran Cortex design was also used to build an industrial control c= omputer, the PP95. The UK company behind that did most of the porting work = and had a complete M9900 system to do the work on. In 2018 the inventory of= that company was found in a garage including that M9900 system. Also more = disk images and manuals, including the NOS/MT User Manual. The disks includ= ed a few that contained reconstituted (partial) source code for NOS/MT. Wit= h a little help from John, I was able to reconstitute the remainder of the = source code. All this is not online.

I will contact you off list to see how this can be best pres= erved.

Paul
<= div dir=3D"ltr">


<= /div>
Hi

One of the= builders on duodyne implemented a TMS9995 processor board similar to the p= owertrancortex but with IO and memory expansion options on the parallel bus= .  Mostly reusing the Z80 8-bit memory and IO (for now) but not limite= d to it.  We were in contact with the original authors of powertrancor= tex mini-cortex and it was really great to get their perspective.

The system runs Unix V6 for TMS9995 and MDEX.  Also, a TMS9= 995 debug monitor and I think a BASIC of some kind.  Don't know about = NOS/MT since am not familiar with it but maybe it could be ported if the so= urce is available.

If anyone is interested here it is:&nb= sp;duodyne/20 processor.TMS99= 95 at main =C2=B7 lynchaj/duodyne =C2=B7 GitHub

I = most use the Unix V6 since I am amazed at how well a legacy Unix runs on a = retrocomputer type system.  I've seen MDEX run but really don't know e= nough about it to have an opinion either way.

Thank= s
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