From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_FONT_LOW_CONTRAST,HTML_MESSAGE, MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from minnie.tuhs.org (minnie.tuhs.org [IPv6:2600:3c01:e000:146::1]) by inbox.vuxu.org (Postfix) with ESMTP id C27E92417B for ; Wed, 13 Mar 2024 16:28:27 +0100 (CET) Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 35222427C9; Thu, 14 Mar 2024 01:28:23 +1000 (AEST) Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by minnie.tuhs.org (Postfix) with ESMTPS id D4576427C8 for ; Thu, 14 Mar 2024 01:28:15 +1000 (AEST) Received: by mail-wr1-x430.google.com with SMTP id ffacd0b85a97d-33e99915809so2941972f8f.3 for ; Wed, 13 Mar 2024 08:28:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1710343694; x=1710948494; darn=tuhs.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=NOQoCLHgI3FBeaoW3s4F7D84wglWx/XWsiiSKGCtBmI=; b=kw8tzb0hX+5vDI1YFSXpKgYIOwACR4LAiMCbYLY7PlwT8QLpFaYP2ZCX4oHaw+c5uR hUG8JxPI3fcz0w80l7346gpPcXGfooEAtYn5+3KOam/lE0cOZBPZH83TWihWaT0F+017 wregbWuFZ3doxwNeNUMtvCch2XvCGfPkXFWMMmI2hsVtdj0nn1vg5bPMCDLuxpmqMxED p8q0xWGXBkYPDt1LMJSgB4LktxikoB5F5XgNld11Hq3VyoKEnioUvJgfrZefy0bCepcX sdXz9sYC7qHFzeEWzRVnZOyje99qooXgxIwvcDKppd0owMNRnrrcDRbu9zC//PrD14Z+ 2eBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710343694; x=1710948494; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NOQoCLHgI3FBeaoW3s4F7D84wglWx/XWsiiSKGCtBmI=; b=BIb8DkVLOP9emj3/BvMF4J2pp0gN52eCmmBseovusXf95/RmoF5Xjilw6qBKgRst6T AHdaQRyZ/d11dI+ulKwLc0O7qIyH+rsmOgBI5OPauhEiDLoTPLg+3bK704nD0THQTLo7 Xn0djOoFigPeVhNTpK00vagtknciO6wt1y5C6g+XgoDbpTzBOBKfARWS9jXcVYSVe+SH HLBUikNE71MFjBSvYCOpp1Tx4fVO3RsDDl2GA4HGvLzwKlXh9kz/G+6F0ZqbByc5T+Kq 4/JQbBpW2rLcrYBEvpGMq0W69lIQAzf/gjfvzSZCVyogz8751nteqU7+Ec4+NZD4uNIV Cb7A== X-Forwarded-Encrypted: i=1; AJvYcCXHm4t6NiIIEZRusHTwAoY1GQBlT8jHgqbz35ELyLHN0EKk2CmevOEDkozA0RqpQwcLYi9TXRJLQnXwpHZC X-Gm-Message-State: AOJu0YxqEAELqtHDYYVie4dlZR/eomxDuXXGqxNXZ0YbkE7m8OKZMA0j kmQJl+hSiJUy7hh73keFlj7I3CywPB8zglESK3gI/p4APOozX95IA3nD1Qj8jQWMkrxK8XaETBY LiJJKjqbjQyUXt3Cm4Tbqvpnw3Q== X-Google-Smtp-Source: AGHT+IHoVh/IEW5hPEQfBCENQl0uTO7Mt+a4Sxzkfq6ylHbFkwlw4Hl5Lh9oWVpCSkvEZfKyAv1UDwW4/b58u+m1LbI= X-Received: by 2002:adf:ecce:0:b0:33e:b458:a64f with SMTP id s14-20020adfecce000000b0033eb458a64fmr1673015wro.14.1710343694001; Wed, 13 Mar 2024 08:28:14 -0700 (PDT) MIME-Version: 1.0 References: <12CFE503-ACC8-44B5-BA41-28DB5450E521@planet.nl> In-Reply-To: From: Marc Rochkind Date: Wed, 13 Mar 2024 09:28:02 -0600 Message-ID: To: Clem Cole Content-Type: multipart/alternative; boundary="00000000000053320506138c6c81" Message-ID-Hash: RUFMQCTGUJXDAAB4MRJKAVHZZQI74HXE X-Message-ID-Hash: RUFMQCTGUJXDAAB4MRJKAVHZZQI74HXE X-MailFrom: mrochkind@gmail.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: "tuhs@tuhs.org" X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: History of non-Bell C compilers? List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --00000000000053320506138c6c81 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable @Clem Cole , I don't remember what it was. But, the XT had an 8088, so certainly no 386 technology was involved. Marc On Wed, Mar 13, 2024 at 8:38=E2=80=AFAM Clem Cole wrote: > @Marc > > On Tue, Mar 12, 2024 at 1:18=E2=80=AFPM Marc Rochkind wrote: > >> At a trade show, I bought a utility that allowed me to run PC-DOS under >> PC/IX. I'm sure it wasn't a virtual machine. Rather, it just swapped bac= k >> and forth. (Guessing a bit there.) >> > Hmm ... you sure it was not either VPIX or DOS/Merge -- ISC built VPIX in > cooperation with the Phoenix Tech folks for PC/IX. I always bought a copy > with it, but it may have been an option. LCC did DOS/Merge originally a= s > part of the AIX work for IBM and would become a core part of OS/2 Warp > IIRC. Both Merge and VPIX had some rough edges but certainly worked fine > for DOS 3.3 programs. The issue tended to be Win and DOS graphics-based > programs/games that played fast and loose, bypassing the DOS OS interface > and accessing the HW directly. For instance, I never got the flight > simulator (Air War over Germany) for Dad's WWII plane (P-47 Thunderbolt) = to > run under either (i.e., only under DOS directly on the HW. FWIW: In that > mode, Dad said the simulator flew a lot like how he remembered it). > > Both Merge and VPIX used the 386 VM support and a bunch of work in the > core OS. Heinz would have to fill us in here. The version of the 386 > port ISC delivered to AT&T and Intel only had the kernel changes to allow > the VM support for VPIX to be linked in, but it was not there. IICR (an= d > I'm not sure I am) is that Merge could run on PC/IX also, but you had to > replace a couple of kernel modules. It certainly would work on the AT&T > and Intel versions. > =E1=90=A7 > --=20 *My new email address is mrochkind@gmail.com * --00000000000053320506138c6c81 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
@Clem Cole,

I don't remember what it was. But, the XT had an 8088, so certainly n= o 386 technology was involved.

Marc
On Wed, M= ar 13, 2024 at 8:38=E2=80=AFAM Clem Cole <clemc@ccc.com> wrote:

On Tue, Mar 12, 2024 at 1:18=E2=80=AFPM Marc Roch= kind <mrochkind= @gmail.com> wrote:
At a trade show, I bought a ut= ility that allowed me to run PC-DOS under PC/IX. I'm sure it wasn't= a virtual machine. Rather, it just swapped back and forth. (Guessing a bit= there.)
Hmm .= .. you sure it was not either VPIX or DOS/Merge -- ISC built VPIX in cooper= ation with the Phoenix Tech folks for PC/IX. I always=C2=A0bought=C2=A0a co= py with it, but it may have been an option.=C2=A0 =C2=A0LCC did DOS/Merge o= riginally as part of the AIX work for IBM and would become a core part of O= S/2 Warp IIRC.=C2=A0 Both Merge and VPIX had some rough edges but certainly= worked fine for DOS 3.3 programs.=C2=A0 The issue tended to be Win and DOS= graphics-based programs/games that played fast and loose, bypassing the DO= S OS interface and accessing the HW directly.=C2=A0 For instance, I never g= ot the flight simulator (Air War over Germany) for Dad's WWII plane (P= -47 Thunderbolt) to run under either (i.e., only under DOS directly on the = HW. FWIW: In that mode, Dad said the simulator flew a lot like how he rem= embered it).

Both Merge and VPIX used the= 386 VM support and a bunch of work in the core OS.=C2=A0 =C2=A0Heinz would= have to fill us in here.=C2=A0 The version of the 386 port ISC delivered t= o AT&T and Intel only had the kernel changes to allow the VM support fo= r VPIX to be linked in, but it was not there.=C2=A0 =C2=A0IICR (and I'm= not sure I am) is that Merge could run on PC/IX also, but you had to repla= ce a couple of kernel modules.=C2=A0 It certainly would work on the AT&= T and Intel versions.
3D""=E1=90=A7


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My new email address is mrochkind@gmail.com
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