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 20:09:49 +0200 Organization: A noiseless patient Spider Lines: 37 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 Injection-Info: mx02.eternal-september.org; posting-host="7bd0152dae49521dad2c3c8cff7491b6"; logging-data="28344"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+lF+OVX/sDpTpi/qxBjC7x" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (darwin) Cancel-Lock: sha1:dfklVJ5pUf2eu2S4d5+aiP6EQQo= sha1:heEoISpsDCqBsBiKhCuZnb/voBs= Xref: csiph.com alt.folklore.computers:166689 comp.sys.raspberry-pi:12538 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.