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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_FONT_LOW_CONTRAST,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 19426 invoked from network); 17 Sep 2021 16:45:10 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 17 Sep 2021 16:45:10 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 26A209CAB6; Sat, 18 Sep 2021 02:45:09 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id A07089CAB3; Sat, 18 Sep 2021 02:44:46 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=yahoo.com header.i=@yahoo.com header.b="M+zTFAVw"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 04A4A9CAB3; Sat, 18 Sep 2021 02:44:45 +1000 (AEST) Received: from sonic304-9.consmr.mail.bf2.yahoo.com (sonic304-9.consmr.mail.bf2.yahoo.com [74.6.128.32]) by minnie.tuhs.org (Postfix) with ESMTPS id 7A8BF9CAB2 for ; Sat, 18 Sep 2021 02:44:44 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1631897083; bh=TlZCKzAQ62OhTwnTXxIXjg5rDHe5ysZiWkKbCWf0wfo=; h=Date:From:To:In-Reply-To:References:Subject:From:Subject:Reply-To; b=M+zTFAVw83CNZju+Qt1FLYk+S+EKG6+NAA89LVcjzbZDlB1BEZyrqD1ccQdpU+zbkLFOu8OXi2+nA9qPse1dGZAxPlcP70gdqiu82yUmuBSMoyW8DT7/eGrpEDUTSMrVlHKR9D9O1ZcUAXVBi0LPJ9uS8PILBmhL54Lqe5EG17bNpBN5Pp6Ab7pABFzKBx3esIu4yH5hz8Mp0ND2zNJ6qmJrMILXkQU6k3QMKNz+OrL3RAfRi87/xKSdrafJ4nB21rVn7UNWPE4/X/GL6q4ZaC/Shc19F4LeWor6s2cNeEnAp2xp6fkXjaHj7tgYAoLmDxVdsjEKA4huzOZJLa56fA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1631897083; bh=4xsxI9c58TEzNHW+umvYWFNjokUcscz7wooEiGlu/2k=; h=X-Sonic-MF:Date:From:To:Subject:From:Subject; b=fqBWsSOR6Z5i0+PlLzM/TV21JXJXA87C2tYfScKh7rblXlOJR6z6TGt6Zqiz1gocmp8aRVByHLRlYRQNIDglD1u6gE3KPSgLznz5D+n1SgVtVxm8ksRv26KD9mI7GHlLlT4K4C6UisxdM7rIZZhFXvIOVlf7CehLGWtbfygeyg3QafJxFydPGVLXKCZqNKTX5jg9BtI5lsMrZPlucOsSqUjiVWXVshOngicsvQzCE0LTt7TGEhMzSM0YYvdmkZ6XXy5e+lZ4iKToresVERmvEQueK5TVJoTOwF8P8iJnbwn8qo/JudGP3Im8gpB6q5bit1ffxcO6LvJs5YaIJIxyvw== X-YMail-OSG: Av33u1IVM1nz1Lve50oRiJPi1KSSoEVqlyqq3nZjtxvTBAd8sZK9gbBAUPAm3Zc H6yJru7AAAYo91htmk76RPZ9kPEoQL5dNeHMuZ4kJeHNhDY_dt98PYUpxbaI2PknRtDaU6zvCEdX qXw_HA97Dfb_zT1dLJ8ajsVpu951MpyqA3B1AsfrkTLysitkPK2M8XYZA5MCnm.N1Hrt4zTcEnW. kWlyBgEJ3arsRM4l5IG2NA1DN_6LrrgGT1VdbH0HP.47aYafX9uJ2NjiNsqIgDe.SI5m2OYF7.nN Wkhy6Krb.eUJjSbDaicTtKX3.QKcQoHasujBhn8RycYnV.36N3gf_V_CsldZPIng7uR8_Crt8.TQ m0190DXgh06GB1ScfhxnIsur6TkzYO1wtAf0l0db.1n87YTF3n3cGkr6rWfrT.AkR4Olc5ccqJZY RnJPAdq.67CWZn2H63hdDKAcS94NSLJczzYiN76zzAkE9.qKCJshxWBfSq23DpNr_vBb2hXRcBXq Ip6YjtG3wEyc1s2mr0HB7BInJwrQqzMjKsQVytJiTFOz.pVZMYbns6YC5ETAHvYisEpLYG8gd_5R ZboXIN2mop2brqxa5_ptVyH_RPf.sWLqpKQ_ff2.tGvGZN7FOvHc7D46CAiE_nv69OX0UyqRu5B8 xlleW3vAnhABheHxCyntuHJ_ppRRqitYkk6m2IfoV2d06GaiSfaFFrm7YdQbROCCiskLJoCOPzLM 4VhDOEXitl2Dj2PyLpTgnyuMqNbJs06YzkmIubPKyAgchyQIdnmzDEQDOm.A0pG8QJ_pcCguNmq6 wupSFAtY262lcrIUTv40H9AC1jGLH9I8LXuvLtEev.pQ6huYS02MSNRYJUS0phiViSsUZp5NyTCi O98Flw88fPAu4QIr4MHlWjixESO3.eFqywBflRYyrMr_LF4khrh8D_F5FLCJ8XXOBkD2.nJcHrfc MUcQUJJVCfbLqA8qDMORSEZmzkviJ5MMpsQoW56VN2nu3TlJ2C39ufKav3ruQqqpmJMcMQkQcBps PrEVNZfsEeADgyRyAmkjkSVlwYMiMDv.nE0ZO1nDAv7gcvNqPv6tWIEHeO2mhzFmrM80eVOOH0Aq 6Jawft1S4TkErtGRPxTYTvKzuSxKocpNAwQVGBJkC_MEJ5juQK5TyVlxnRP.nOpm72ZOj57WlCv. cpYmhy3elljhcucDXt4_RpwNACN78gad7rJJ5XqzRkL5vzeZLV7kikxHx3JfrdSUAXJthsh0zD3d 6NL1yj0_pKQEJMn4J.zxTV2iY7vizDHKUQu.WiC9bmQ37Hpq6gU5z_.lg4CACbni70CjgK_8jOjy iVnVJODUGyKGhZM37e_NNZXocAtxkebFSx9mjKG7DE9OTSQsZUPR1cq7sHA0ZnasOr7Bq64EcN_a r6UFLo3biOjioRuuDqIw_k42mfPvQA1_F50QfjGU4GH5P956bEv1hh5yMmsRJ05CbS5gbn58D.4. NnJJlhCpoiuAetehz7kE3qLE3FCAzGEEqPklTE9GhPg1mqPVReFR06awjGnLXGUaUu5Wl.Rm843R edwhq3kY2PYKpuri.qaCGfewt6uTITr.9Yxh.FaBmIjX0XphTodIzxcSH7CVZY6bGMNBMpBcSy0D sK_mKOXlC3octva5E0X3dTH564CeeUs8uUFVl4d9FJhts_7_vg9Nbpn0UiiPUkhqOsy7VxgKGcij eFLIOdDG2G5_Gvy6ZZ_5AeupTfeptAekaBbTxwX11Ow6Y_Xc7WaoerGrkVwIWyVBahC8RsUNwipj FN0odc1aJDbcsgxbfykUMDVrdODxTfiXSPlJAIK9r8YciaYVwr6qHPNcJtguGvHL8e8n3E6Vpdw. pRcMarLGbaoL8F6vF6kvxPiluWQek_3dqo1Vlj2UcZ8w0bhlu6N89lE3QI98_7KGLVkvIorV_k5m 2F0fl.iYGsMzTOJuEqfuV9I4Og1LN.UwqJfdEwrUP8i1NcWJLJ5yc1DUIoTbPSCbtqtwDdYwZIUj lUdMsuR6gplbpt2q2m35lIUQ9e0aXyoXk6C.xN5yjp4fkOjWwGso.gGW5vSRIpUw4prLWjNQGecg yyjUITZtewartXwxjq91KduXXStyd5QV6s0JsBi0iRyaiZ6Ajmf9KPjD9BukJ5299V5DzTYza3J2 XPByHJ1tQ3bbVHaNAaKesKik8LDO89Uda0BCFq9oNyw6p14PPvDRkfkqvUPvcs6wpNZQT4JiaIkb ihUpLxP5D7vtZRXtl5z9ZcAyrqG.dHFmH9H7O.Q-- X-Sonic-MF: Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.bf2.yahoo.com with HTTP; Fri, 17 Sep 2021 16:44:43 +0000 Date: Fri, 17 Sep 2021 16:44:42 +0000 (UTC) To: TUHS main list Message-ID: <1053956686.747705.1631897082211@mail.yahoo.com> In-Reply-To: References: <2007825471.713023.1631887763341.ref@mail.yahoo.com> <2007825471.713023.1631887763341@mail.yahoo.com> <1359803079.736350.1631894652157@mail.yahoo.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_747704_250130295.1631897082209" X-Mailer: WebService/1.1.19013 YMailNorrin Subject: Re: [TUHS] Unix for PDP11/20 w/o mmu or paging option X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Roland via TUHS Reply-To: Roland Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" ------=_Part_747704_250130295.1631897082209 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable There is a KT11B paging option that makes the PDP11/20 a 18 bit machine. It= looks a bit like the TC11 DECtape controller. I've got the schematics from= the internet. But I have no idea how it compares to the later MMU units fr= om the software perspective.Love to see them and if you know where you foun= d them.=C2=A0 Al has put them online once.=20 http://bitsavers.trailing-edge.com/pdf/dec/pdp11/1120/KT11-B_EngrDrws_Feb72= .pdfhttp://bitsavers.trailing-edge.com/pdf/dec/pdp11/1120/KT11-B_OD_Apr71.p= df The V1 work was for a PDP-7 and is before the first=C2=A011/20 was secured.= =C2=A0 The point is that I think there is a hole in the the=C2=A0SW we have= . I just looked again at what Warren has -- it is the 11/20 assembler code th= at Dennis scanned.=C2=A0 I have forgotten that we still had that.=C2=A0 =C2= =A0I wonder if it had the KS-11 stuff in it.=C2=A0=C2=A0 I'll have to peek= =C2=A0=20 I wonder is there is some compatibility with the KT11-B Regards, Roland rrrjj =20 ------=_Part_747704_250130295.1631897082209 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
There is a KT11B paging option that makes the PDP11/20 a 18 bit machine. It=20 looks a bit like the TC11 DECtape controller. I've got the schematics=20 from the internet. But I have no idea how it compares to the later MMU=20 units from the software perspective.
Love t= o see them and if you know where you found them. 
<= div class=3D"ydp4bbe967byiv1579571803yqt7374998927" id=3D"ydp4bbe967byiv157= 9571803yqtfd60140">

Al= has put them online once.
http://bitsavers= .trailing-edge.com/pdf/dec/pdp11/1120/KT11-B_EngrDrws_Feb72.pdf<= /div>

The V1 work was for a PDP-7 and is before the first 11/20 was secured.&nb= sp; The point is that I think there is a hole in the the SW we have.
I just looked again at what Warren ha= s -- it is the 11/20 assembler code that Dennis scanned.  I have forgo= tten that we still had that.   I wonder if it had the KS-11 stuff= in it.   I'll have to peek=  

I wonder is there is some com= patibility with the KT11-B

Regards, Roland
=
rrrjj
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