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Re: Feedback on my python framework I'm building.

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On 2012-10-14 23:38, Dave Angel wrote:
> On 10/14/2012 08:48 AM, Roy Smith wrote:
>> In article <507a3365$0$6574$c3e8da3$5496439d@news.astraweb.com>,
>>  Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote:
>>
>>> Remember using PEEK and POKE commands with BASIC back in
>>> 1978? Pretty much impossible in Python.
>> But, trivial to implement as an extension :-)
> PEEK and POKE were intended to be used with memory mapped devices.
> Simplest example is the 6502 chip, which had no I/O bus -- it was all
> memory mapped.  Want to change baud rate?  poke a byte somewhere.
>
> These days, the only device I can think of that's usually memory mapped
> is the video.  And few programs talk to it that way.
>
> Now, INP and OUT (or various similar names) were for doing port I/o.
> But I suspect that modern systems aren't going to let you do much of
> that either.
>
It depends on the CPU. Some have specialised instructions for I/O,
others don't.

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Thread

Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-12 21:49 -0700
  Re: Feedback on my python framework I'm building. Etienne Robillard <animelovin@gmail.com> - 2012-10-13 04:18 -0400
  Re: Feedback on my python framework I'm building. Chris Angelico <rosuav@gmail.com> - 2012-10-14 01:12 +1100
    Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 08:57 -0700
      Re: Feedback on my python framework I'm building. Etienne Robillard <animelovin@gmail.com> - 2012-10-13 12:10 -0400
      Re: Feedback on my python framework I'm building. Chris Angelico <rosuav@gmail.com> - 2012-10-14 03:48 +1100
        Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 11:18 -0700
          Re: Feedback on my python framework I'm building. Chris Angelico <rosuav@gmail.com> - 2012-10-14 05:33 +1100
            Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 15:24 -0700
              Re: Feedback on my python framework I'm building. Chris Angelico <rosuav@gmail.com> - 2012-10-14 10:06 +1100
              Re: Feedback on my python framework I'm building. Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-14 02:25 +0000
                Re: one obvious parser (was "Feedback on my python framework I'm building.") Tim Chase <python.list@tim.thechases.com> - 2012-10-13 21:53 -0500
                Re: Feedback on my python framework I'm building. MRAB <python@mrabarnett.plus.com> - 2012-10-14 03:58 +0100
            Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 15:24 -0700
            Re: Feedback on my python framework I'm building. Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-14 03:37 +0000
              Re: Feedback on my python framework I'm building. Chris Angelico <rosuav@gmail.com> - 2012-10-14 15:20 +1100
              Re: Feedback on my python framework I'm building. Roy Smith <roy@panix.com> - 2012-10-14 08:48 -0400
                Re: Feedback on my python framework I'm building. Dave Angel <d@davea.name> - 2012-10-14 18:38 -0400
                Re: Feedback on my python framework I'm building. MRAB <python@mrabarnett.plus.com> - 2012-10-15 00:40 +0100
                Re: Feedback on my python framework I'm building. Roel Schroeven <roel@roelschroeven.net> - 2012-10-15 19:29 +0200
        Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 11:18 -0700
      Re: Feedback on my python framework I'm building. Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-10-14 01:43 +0100
    Re: Feedback on my python framework I'm building. nbvfour@gmail.com - 2012-10-13 08:57 -0700
  Re: Feedback on my python framework I'm building. Etienne Robillard <animelovin@gmail.com> - 2012-10-13 10:44 -0400

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