Path: csiph.com!usenet.pasdenom.info!news.franciliens.net!news.muarf.org!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'subject:: [': 0.04; 'binary': 0.07; 'subject:code': 0.07; 'agree,': 0.09; 'toggle': 0.09; '>on': 0.16; 'accident.': 0.16; 'booted': 0.16; 'from:addr:cs': 0.16; 'from:addr:zip.com.au': 0.16; 'from:name:cameron simpson': 0.16; 'in;': 0.16; 'message- id:@cskk.homeip.net': 0.16; 'received:211.29': 0.16; 'received:211.29.132': 0.16; 'received:cskk.homeip.net': 0.16; 'received:homeip.net': 0.16; 'received:optusnet.com.au': 0.16; 'received:syd.optusnet.com.au': 0.16; 'simpson': 0.16; 'subject:programming': 0.16; 'switch.': 0.16; 'switches': 0.16; 'wrote:': 0.18; 'bit': 0.19; 'subject:] ': 0.20; 'machine': 0.22; 'memory': 0.22; 'header:User-Agent:1': 0.23; 'cheers,': 0.24; 'push': 0.26; 'post': 0.26; 'header:In-Reply-To:1': 0.27; "we'd": 0.29; 'patch': 0.29; 'subject:that': 0.31; "we're": 0.32; 'updated': 0.34; 'subject:the': 0.34; 'but': 0.35; 'idle': 0.36; 'received:com.au': 0.36; 'charset:us-ascii': 0.36; 'subject:?': 0.36; 'changing': 0.37; 'nov': 0.38; 'received:211': 0.38; 'to:addr:python-list': 0.38; 'subject:can': 0.39; 'to:addr:python.org': 0.39; 'experts': 0.60; 'most': 0.60; 'content-disposition:inline': 0.62; 'address': 0.63; 'our': 0.64; 'world': 0.66; 'beautiful': 0.68; 'business.': 0.80; 'slowed': 0.84; 'subject:you': 0.87; 'subject:OFF': 0.95 Date: Thu, 6 Nov 2014 09:27:35 +1100 From: Cameron Simpson To: python-list@python.org Subject: Re: [OFF-TOPIC] It is true that is impossible write in binary code, the lowest level of programming that you can write is in hex code? MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) References: X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.1 cv=dMCfxopb c=1 sm=1 tr=0 a=YuQlxtEQCowy2cfE5kc7TA==:117 a=YuQlxtEQCowy2cfE5kc7TA==:17 a=ZtCCktOnAAAA:8 a=PO7r1zJSAAAA:8 a=J0QyKEt1u0cA:10 a=r5UFkecV8NkA:10 a=kj9zAlcOel0A:10 a=vrnE16BAAAAA:8 a=pGLkceISAAAA:8 a=y02ykmvaoYzTVyq09o0A:9 a=oD4woFCrDwB3RJ90:21 a=nTCFOJgjm9jZVHEb:21 a=CjuIK1q_8ugA:10 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 22 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1415226883 news.xs4all.nl 2975 [2001:888:2000:d::a6]:40932 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:80296 On 05Nov2014 15:38, Denis McMahon wrote: >On Tue, 04 Nov 2014 21:30:06 -0500, Dennis Lee Bieber wrote: >> If you have an old system with front-panel toggle switches, you >set the >> switches for binary values, and then push the "enter" switch. > >You've booted a PDP-8 then ;) Not me, but I have booted a PDP-11. Same deal:-) Our kernels had a patch in the idle loop that updated a specific memory address with a regularly changing bit pattern (therefore the change rate slowed down when the machine was busy). Post boot we'd set the memory view toggle swithces to that address and be treated to a beautiful Cylon-like shuttling pattern of red lights indiciating business. Cheers, Cameron Simpson The most likely way for the world to be destroyed, most experts agree, is by accident. That's where we come in; we're computer professionals. We cause accidents. - Nathaniel Borenstein