Path: csiph.com!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: Raymond Wiker Newsgroups: alt.folklore.computers,comp.sys.raspberry-pi Subject: Re: self-modifying code, Is it a lost cause? Date: Tue, 05 Jul 2016 21:11:24 +0200 Organization: A noiseless patient Spider Lines: 47 Message-ID: References: <1875524414.489407141.853358.peter_flass-yahoo.com@news.eternal-september.org> <1875524414.489407141.853358.peter_flass-yahoo.com@news.eternal-september.org> <1875524414.489407141.853358.peter_flass-yahoo.com@news.eternal-september.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: mx02.eternal-september.org; posting-host="7bd0152dae49521dad2c3c8cff7491b6"; logging-data="10831"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19zhq7CVnSex2uN+37ZAJju" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (darwin) Cancel-Lock: sha1:fSPmSPk0fqmm+h58UsZqW6Cw3EE= sha1:LBBgGuWGNeiR6TIGXe9BC6AL1+s= Xref: csiph.com alt.folklore.computers:166698 comp.sys.raspberry-pi:12545 The Natural Philosopher writes: > On 05/07/16 19:09, Raymond Wiker wrote: >> The Natural Philosopher writes: >> >>> On 05/07/16 14:32, jmfbahciv wrote: >>>> The Natural Philosopher wrote: >>>>> On 05/07/16 11:36, Peter Flass wrote: >>>>>> The Natural Philosopher wrote: >>>>>>> On 04/07/16 22:03, John Levine wrote: >>>>>>>> This was a machine with 4096 words of 12 bit core memory, two >>>>>>>> registers, the program counter and the accumulator, and a one bit >>>>>>>> "link" that you could use to check for carries. That's it. The >>>>>>>> multiply/divide option (it was expensive and I never used it) provided >>>>>>>> a third MQ register. >>>>>>> >>>>>>> So about what an entry level 50c PIC has. >>>>>>> >>>>>>> >>>>>> >>>>>> One of the topics in this group,is how much work got done with computers >>>>>> that would be laughable today. 360s got us to the moon and back. PDP8s >>>>>> were the backbone of a lot of laboratories, publications, etc. >>>>>> >>>>> CP/M was mire than enough too run most businesses off and type letters on. >>>>> >>>>> A PC running SCO unix was fine for up to around 50 terminals run9ing a >>>>> database, several printers, text processing, and even a basic spreadsheet. >>>>> >>>> A KA-10 with 48K core did similar work in 1969. >>> >>> wyse terminals too? >>> >>> >>> But exactly. The Sco UNIX PC was cheaper though. >>> >>> I think that was when the per desktop cost of computing was at its lowest >> >> I'm pretty sure that the Wyse terminals cost more per user >> (ajusted for inflation) than a typical entry-level PC does today. >> > > IIRC they were under £100 In 1991, the Wyse 60 cost $295 from Paradise Computers (according to an ad in PC Mag of March 16, 1991).