I am speculating that it was to support compil= ing code for a version of the Blit. 630MTG used 68000 and DMD5620 used AT&a= mp;T WE3210.

gnot used the 68020.

On= Mon, Feb 22, 2021 at 11:18 PM <r= t9f.3141@gmail.com> wrote:

Hello,

I'm wondering about the history of the 68000 compiler/tools. Su= pport for the 68020 makes sense, it had an MMU, but 68000 did not. An= d it had some design flaws that prevented it from working correctly with th= e external MMU, the 68451. So why does/did Plan 9 have a 68000 compil= er? Did Plan 9 ever run on an MMU-less 68000?

<= /div>
thx.

9fans / 9fans / see discussions + participants + delivery o= ptions Permalink

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Wed, 24 Feb 2021 15:26:38 -0800 (PST) MIME-Version: 1.0 References: <16140646610.c6B80.99174@composer.9fans.topicbox.com> In-Reply-To: From: Charles Forsyth Date: Wed, 24 Feb 2021 23:26:27 +0000 Message-ID: Subject: Re: [9fans] 2c/2l make sense, but why 1c/1l? To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="000000000000e4059505bc1d5dc5" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: c44750b6-76f7-11eb-81a9-ff527dfbcc8d Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZjM0NDc1ZjFiYjY5Njc0YS1NMGQ2ZjhiMTBmMTA0NjIzNTVmZjZk?= =?UTF-8?B?ZTE2Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M0d6f8b10f10462355ff6de16:1:3luMXRRJbyet-_DRVFwdGidrhvNYHJzzFB8BvPDFLvM --000000000000e4059505bc1d5dc5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I think they might have been there for some other reason and then was used for Inferno, which they somewhat had going on a Palm Pilot in some form (not necessarily as the native kernel). If I waded through a ton of archive material I could probably find the latter, to see what it was, but I'm not sure it's really worthwhile now. On Wed, Feb 24, 2021 at 8:16 PM Joseph Stewart wrote: > Charles could probably answer this better than me, but weren't the 68k > compilers made to support Inferno? > -joe > > On Mon, Feb 22, 2021 at 11:18 PM wrote: > > > > Hello, > > > > I'm wondering about the history of the 68000 compiler/tools. Support > for the 68020 makes sense, it had an MMU, but 68000 did not. And it had > some design flaws that prevented it from working correctly with the > external MMU, the 68451. So why does/did Plan 9 have a 68000 compiler? > Did Plan 9 ever run on an MMU-less 68000? > > > > thx. > > 9fans / 9fans / see discussions + participants + delivery options > Permalink ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-M0d6f8= b10f10462355ff6de16 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --000000000000e4059505bc1d5dc5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

I think they might have been there for some ot= her reason and then was used for Inferno, which they somewhat had going on = a Palm Pilot in some form (not necessarily as the native kernel).

If I = waded through a ton of archive material I could probably find the latter, t= o see what it was, but I'm not sure it's really worthwhile now.

On Wed, Feb 24, 2021 at 8:16 PM Joseph Stewart <joseph.stewart@gmail.com> wrote:

Charles could probably an= swer this better than me, but weren't the 68k
compilers made to support Inferno?
-joe

On Mon, Feb 22, 2021 at 11:18 PM <rt9f.3141@gmail.com> wrote:
>
> Hello,
>
> I'm wondering about the history of the 68000 compiler/tools. = Support for the 68020 makes sense, it had an MMU, but 68000 did not. = And it had some design flaws that prevented it from working correctly with= the external MMU, the 68451. So why does/did Plan 9 have a 68000 com= piler? Did Plan 9 ever run on an MMU-less 68000?
>
> thx.
> 9fans / 9fans / see discussions + participants + delivery options Perm= alink

------------------------------------------
9fans: 9fans
Permalink: https:= //9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-M109e864d31355d12fb3ef3= b6
Delivery options: https://9fans.topicbox.com/gro= ups/9fans/subscription

9fans / 9fans / see discussions + participants + delivery o= ptions Permalink

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Wed, 24 Feb 2021 15:29:37 -0800 (PST) MIME-Version: 1.0 References: <16140646610.c6B80.99174@composer.9fans.topicbox.com> In-Reply-To: From: Charles Forsyth Date: Wed, 24 Feb 2021 23:29:26 +0000 Message-ID: Subject: Re: [9fans] 2c/2l make sense, but why 1c/1l? To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="0000000000008481d305bc1d6831" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 2f8de696-76f8-11eb-8b6e-ce1367693aa1 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZjM0NDc1ZjFiYjY5Njc0YS1NZjVkNDhiMzNiNDJhYTZmNmU0ODNh?= =?UTF-8?B?NzQ1Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mf5d48b33b42aa6f6e483a745:1:rLHFS8crD-IvNkc5Hj5HpnhJ1m3g54vtUeE-Gfru6YM --0000000000008481d305bc1d6831 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable To be fair, I probably should convert my machine with lots of disks with lots of historical partitions into a single tree with the contents just as subdirectories. It's not as though anyone's going to use them as images ever again. They only ended up that way because the originals were in strange formats on increasingly dodgy devices, and it was easier just to copy the partitions across to partitions of newer bigger drives. As an aside, it still amuses me that VN's worm jukebox would now fit on an SD card that I could easily lose. On Wed, Feb 24, 2021 at 11:26 PM Charles Forsyth wrote: > I think they might have been there for some other reason and then was used > for Inferno, which they somewhat had going on a Palm Pilot in some form > (not necessarily as the native kernel). > If I waded through a ton of archive material I could probably find the > latter, to see what it was, but I'm not sure it's really worthwhile now. > > On Wed, Feb 24, 2021 at 8:16 PM Joseph Stewart > wrote: > >> Charles could probably answer this better than me, but weren't the 68k >> compilers made to support Inferno? >> -joe >> >> On Mon, Feb 22, 2021 at 11:18 PM wrote: >> > >> > Hello, >> > >> > I'm wondering about the history of the 68000 compiler/tools. Support >> for the 68020 makes sense, it had an MMU, but 68000 did not. And it had >> some design flaws that prevented it from working correctly with the >> external MMU, the 68451. So why does/did Plan 9 have a 68000 compiler? >> Did Plan 9 ever run on an MMU-less 68000? >> > >> > thx. >> > 9fans / 9fans / see discussions + participants + delivery options >> Permalink ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-Mf5d48= b33b42aa6f6e483a745 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --0000000000008481d305bc1d6831 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

To be fair, I probably should convert my machi= ne with lots of disks with lots of historical partitions into a single tree= with the contents just as subdirectories.

It's not as though anyon= e's going to use them as images ever again. They only ended up that way= because the originals were in strange formats on increasingly dodgy device= s, and it was easier just to copy the partitions across to partitions of ne= wer bigger drives.

As an aside, it still amuses = me that VN's worm jukebox would now fit on an SD card that I could easi= ly lose.

On Wed, Feb 24, 2021 at 11:26 PM Charles Forsyth <charles.forsyth@gmail.com> wr= ote:

I think they might have been there for some other reason and then = was used for Inferno, which they somewhat had going on a Palm Pilot in some= form (not necessarily as the native kernel).
If I waded through a ton = of archive material I could probably find the latter, to see what it was, b= ut I'm not sure it's really worthwhile now.

On Wed, Feb 24, = 2021 at 8:16 PM Joseph Stewart <joseph.stewart@gmail.com> wrote:
Charles could probably answ= er this better than me, but weren't the 68k
compilers made to support Inferno?
-joe

On Mon, Feb 22, 2021 at 11:18 PM <rt9f.3141@gmail.com> wrote:
>
> Hello,
>
> I'm wondering about the history of the 68000 compiler/tools. = Support for the 68020 makes sense, it had an MMU, but 68000 did not. = And it had some design flaws that prevented it from working correctly with= the external MMU, the 68451. So why does/did Plan 9 have a 68000 com= piler? Did Plan 9 ever run on an MMU-less 68000?
>
> thx.
> 9fans / 9fans / see discussions + participants + delivery options Perm= alink

------------------------------------------
9fans: 9fans
Permalink: https:= //9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-M109e864d31355d12fb3ef3= b6
Delivery options: https://9fans.topicbox.com/gro= ups/9fans/subscription

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Wed, 24 Feb 2021 17:03:18 -0800 (PST) MIME-Version: 1.0 References: <16140646610.c6B80.99174@composer.9fans.topicbox.com> In-Reply-To: From: Joseph Stewart Date: Wed, 24 Feb 2021 17:02:42 -0800 Message-ID: Subject: Re: [9fans] 2c/2l make sense, but why 1c/1l? To: 9fans <9fans@9fans.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 43014616-7705-11eb-82a9-bcd1f74622cf Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZjM0NDc1ZjFiYjY5Njc0YS1NNWQwODY5NWY2ZWFjZDJmYzkzNGNk?= =?UTF-8?B?NTBjPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M5d08695f6eacd2fc934cd50c:1:sKSuOYmY2FGEG06roXWavCSWwZ03sDVShtoOzRKIXtA Cool. I had a talk with Bradley (and maybe you Charles) at some past IW9P about mangling the 68k compilers to support Coldfire but I never went forward with it. I had inherited supporting a device that was barely running uCLinux that I REALLY wanted to run Inferno on... On Wed, Feb 24, 2021 at 3:27 PM Charles Forsyth wrote: > > I think they might have been there for some other reason and then was use= d for Inferno, which they somewhat had going on a Palm Pilot in some form (= not necessarily as the native kernel). > If I waded through a ton of archive material I could probably find the la= tter, to see what it was, but I'm not sure it's really worthwhile now. > > On Wed, Feb 24, 2021 at 8:16 PM Joseph Stewart = wrote: >> >> Charles could probably answer this better than me, but weren't the 68k >> compilers made to support Inferno? >> -joe >> >> On Mon, Feb 22, 2021 at 11:18 PM wrote: >> > >> > Hello, >> > >> > I'm wondering about the history of the 68000 compiler/tools. Support = for the 68020 makes sense, it had an MMU, but 68000 did not. And it had so= me design flaws that prevented it from working correctly with the external = MMU, the 68451. So why does/did Plan 9 have a 68000 compiler? Did Plan 9 = ever run on an MMU-less 68000? >> > >> > thx. >> > 9fans / 9fans / see discussions + participants + delivery options Perm= alink > > 9fans / 9fans / see discussions + participants + delivery options Permali= nk ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-M5d086= 95f6eacd2fc934cd50c Delivery options: https://9fans.topicbox.com/groups/9fans/subscription From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2744 invoked from network); 25 Feb 2021 11:40:29 -0000 Received: from tb-ob0.topicbox.com (64.147.108.117) by inbox.vuxu.org with ESMTPUTF8; 25 Feb 2021 11:40:29 -0000 Received: from tb-mx0.topicbox.com (tb-mx0.nyi.icgroup.com [10.90.30.73]) by tb-ob0.topicbox.com (Postfix) with ESMTP id AC6692552C for ; 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Received: by mailuser.nyi.internal (Postfix, from userid 501) id B860A15A005D; Thu, 25 Feb 2021 06:40:00 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-141-gf094924a34-fm-20210210.001-gf094924a Mime-Version: 1.0 Message-Id: <2a4a67d4-120e-49db-a317-194de6bf7cfd@www.fastmail.com> In-Reply-To: References: <16140646610.c6B80.99174@composer.9fans.topicbox.com> Date: Thu, 25 Feb 2021 11:39:40 +0000 From: "Ethan Gardener" To: 9fans <9fans@9fans.net> Subject: Re: [9fans] 2c/2l make sense, but why 1c/1l? Content-Type: text/plain; charset="UTF-8" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 3851921c-775e-11eb-b4ee-b625c588a373 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZjM0NDc1ZjFiYjY5Njc0YS1NOWFiOTBmMTdkYjlmNTgyOTk0NzIz?= =?UTF-8?B?ODc4Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: quoted-printable List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M9ab90f17db9f582994723878:1:pz_Xtl6DJIp4bWBU67bmzZNjh0P2f6oXGqGmY9IiDyE On Wed, Feb 24, 2021, at 11:26 PM, Charles Forsyth wrote: > I think they might have been there for some other reason and then was use= d for Inferno, which they somewhat had going on a Palm Pilot in some form (= not necessarily as the native kernel). > If I waded through a ton of archive material I could probably find the la= tter, to see what it was, but I'm not sure it's really worthwhile now. I know what you mean. I know I've read somewhere what that other reason was= , but finding it is a historian's job, and I'm no good at being a historian= . ;) I evidently didn't read it on 9fans, I just searched my email archive = of it which goes back to late April 2011.=20 ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-M9ab90= f17db9f582994723878 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FORGED_GMAIL_RCVD,FREEMAIL_FROM,HTML_MESSAGE, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27578 invoked from network); 28 Feb 2021 21:12:34 -0000 Received: from tb-ob1.topicbox.com (64.147.108.173) by inbox.vuxu.org with ESMTPUTF8; 28 Feb 2021 21:12:34 -0000 Received: from tb-mx1.topicbox.com (tb-mx1.nyi.icgroup.com [10.90.30.61]) by tb-ob1.topicbox.com (Postfix) with ESMTP id AF97E2D5E0 for ; Sun, 28 Feb 2021 16:12:32 -0500 (EST) (envelope-from bounce.mMf5c7402508a98c15ab19221c.r522be890-2105-11eb-b15e-8d699134e1fa@9fans.bounce.topicbox.com) Received: by tb-mx1.topicbox.com (Postfix, from userid 1132) id A77FD194F356; Sun, 28 Feb 2021 16:12:32 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h=from:to :subject:message-id:in-reply-to:references:date:mime-version :content-type:content-transfer-encoding:list-help:list-id :list-post:list-subscribe:reply-to:list-unsubscribe; s=dkim-1; bh=jxx2w4IvhVmnABZ68DUFamnwevwuSIwkAVfGXSGTC3Y=; b=kDo1f6/fLDc2 in+Xa6gVldevR50UXSDN631L6XASru/KnGfOGegAB030VLIsQPqiglE/w0vj0a5g bppJdGFGCAVsruMZ2HRGNzqpIcWGdizxs1u0Z6ZPOnXE6wR37/Whbf9/riFxkvgI ulTjm9eAt4iTYAnP/lbfmFzB3XQITDI= From: rt9f.3141@gmail.com To: 9fans <9fans@9fans.net> Subject: Re: [9fans] 2c/2l make sense, but why 1c/1l? Message-Id: <16145467430.723Dc5.902959@composer.9fans.topicbox.com> In-Reply-To: References: <16140646610.c6B80.99174@composer.9fans.topicbox.com> Date: Sun, 28 Feb 2021 16:12:23 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="16145467431.AF45.902959" Content-Transfer-Encoding: 7bit Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: a6bd7056-7a09-11eb-be0f-056d2a2d11b0 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZjM0NDc1ZjFiYjY5Njc0YS1NZjVjNzQwMjUwOGE5OGMxNWFiMTky?= =?UTF-8?B?MjFjPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mf5c7402508a98c15ab19221c:1:WLEgy5Vp8b5GkNuBoHjP4uDVA1lzh5OpFppSIfStxHI --16145467431.AF45.902959 Date: Sun, 28 Feb 2021 16:12:23 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I want to thank everyone who replied. =C2=A0It makes sense to me that 1c wa= s used for embedded 68k coprocessors, Blit, etc. =C2=A0Thanks! ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf34475f1bb69674a-Mf5c74= 02508a98c15ab19221c Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --16145467431.AF45.902959 Date: Sun, 28 Feb 2021 16:12:23 -0500 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

I want to thank everyone who replied. It= makes sense to me that 1c was used for embedded 68k coprocessors, Blit, et= c. Thanks!

= --16145467431.AF45.902959--