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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 31136 invoked from network); 30 Nov 2021 21:49:51 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 30 Nov 2021 21:49:51 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id F28759C78B; Wed, 1 Dec 2021 07:49:47 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id A4CA29CD65; Wed, 1 Dec 2021 07:46:01 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="gc+sHYXd"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 762FC9C78B; Wed, 1 Dec 2021 07:45:58 +1000 (AEST) Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) by minnie.tuhs.org (Postfix) with ESMTPS id B8C3094502 for ; Wed, 1 Dec 2021 07:45:57 +1000 (AEST) Received: by mail-wm1-f44.google.com with SMTP id 77-20020a1c0450000000b0033123de3425so20689312wme.0 for ; Tue, 30 Nov 2021 13:45:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:subject:message-id:mail-followup-to:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=jswHkTXGK/7Q7p55TpWgY2mx4miQHce2bLkncYyf5IE=; b=gc+sHYXdI0o8Wf/c4sBvbQX5mXxrrbgPCaRbyJQePLvMTJ9q6TDrK/CymZ0p80bOxL xNT6vrq9uFt9e4odAFszXsbgyzquGTSgcgUN5zEPmbC/qAxHu//hxmsOtshH0xEvRopc DA+EnQLsrCiBYl8heJh2IWu+YncI3lDz9EiXl963pe1fVndXr6mipYCPxLxKnIS5fiZp NVHvr/PR8kEinhYrvG21C1z+JGywDAfM8ymyibDGPeRycmcpIsLzFG66Ye+KBrd9Gsn6 ONiNcB68QPvlAxXZFJns+MawtPSUP0ULSPwkva/DJyKm5dv9y0FCi77HrGzMYNgsbMjl fHIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:subject:message-id:mail-followup-to :references:mime-version:content-disposition :content-transfer-encoding:in-reply-to; bh=jswHkTXGK/7Q7p55TpWgY2mx4miQHce2bLkncYyf5IE=; b=DWvNl4DmcUX60ADijw/HC1vGcEPzF8YuQKUNPeb/qt5U2e38ea+696Zs1NRbeT6hOk WSuAOShjWSWc6XvXJaquBf7EeWeiRkhMUAbuhJ7p1p1GqM8X1efoCbquRkM36FCmJFm2 /lt1i1j6HBMwYTAQ0r2bbHZnaufG4GjTXDPMAOOmAMa98nFLuwlMPSB/8zmxZ8o230R8 yV+Cv7G85NG5TGPT2uDylU07Imly5/d/w7pQcJt7CrKKxs/c+Aaoe9JnwPtIqnp2ZoLY qRMlJlanclpLH8LfdCWf490f9kw7InmgG9xAq++0eapb42Q3DGqh1YcijZIT41EVVji9 /46w== X-Gm-Message-State: AOAM5336HbPUHB2zPqAjYA+6W3kRFbzk3rFYhG3uztspVkBLxUBPpywy v3/Q+tXI6JvU2WJodfV/o0sqnn8wmgA= X-Google-Smtp-Source: ABdhPJxCVashZk3NDVXe8DYB47qRlLNgnTMUB/AuYv3cRpRcGGNuKcee6436vPYA82VRDXXktJLbwQ== X-Received: by 2002:a05:600c:2297:: with SMTP id 23mr1569616wmf.73.1638308755954; Tue, 30 Nov 2021 13:45:55 -0800 (PST) Received: from beryllium.local (dyndsl-091-096-149-018.ewe-ip-backbone.de. [91.96.149.18]) by smtp.gmail.com with ESMTPSA id d2sm764197wmb.24.2021.11.30.13.45.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Nov 2021 13:45:55 -0800 (PST) Received: from localhost (beryllium.local [local]) by beryllium.local (OpenSMTPD) with ESMTPA id 155d77e5 for ; Tue, 30 Nov 2021 22:45:51 +0100 (CET) Date: Tue, 30 Nov 2021 21:45:50 +0000 From: Humm To: tuhs@minnie.tuhs.org Message-ID: Mail-Followup-To: tuhs@minnie.tuhs.org References: <010901d7e5c1$4a0c7c20$de257460$@gmail.com> <202111301530.1AUFU2eC015214@freefriends.org> <202111301850.1AUIovEG006894@darkstar.fourwinds.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <202111301850.1AUIovEG006894@darkstar.fourwinds.com> Subject: Re: [TUHS] Encoding an ISA: Random Logic vs. Control Stores 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: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Quoth Jon Steinhart: >arnold@skeeve.com writes: >> Can someone please explain why it's called "random" logic? Discrete >> logic I understand (more or less), but I've not heard the term "random" >> used in this context before now. > >Well, as a recovered random logic designer, I think that the name comes >from there being no particular structure to the logic. Many parts of >logic design are very regular, think memory. But that regularity doesn't >exist when, for example, decoding irregular instructions. Now that’s a “random” definition. -- Humm