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Re: emulating 8086 subset.

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luser droog wrote:
> Brain going numb trying to overdesign this apl jiterpreter,
> and reading this tutorial on category theory for programmers.
> So I tried a little fun project to rewrite my postscript
> 8086 emulator to (superterse) C.
>
> And then I got stumped. I'm trying to handle the decoding
> of the mod-reg-reg/mod byte, and I want to represent it
> as a "tuple" of {destination-pointer, left-opand, right-op},
> but I'm getting hung up trying to define this structure
> so it handles byte or word data conveniently.
>
> I want to have the arguments and result available for
> calculating flags, hence the "tuple" idea. But, well,
> hopefully the English here explains where I'm stumped.
> The code, ... ....
>
> cat a8086.c
> #include<stdio.h>
> #include<sys/stat.h>
> #include<unistd.h>
> #define P printf
> #define R return
> #define T typedef

I'm sure most readers switch off at this point...

-- 
Ian Collins

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emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-27 00:34 -0700
  Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-27 01:18 -0700
  Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-27 01:28 -0700
    Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-28 21:21 -0700
    Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-28 22:50 -0700
      Re: GOLFulating 8086 subset. gensym? luser droog <luser.droog@gmail.com> - 2015-07-01 15:36 -0700
        Re: GOLFulating 8086 subset. gensym? luser droog <luser.droog@gmail.com> - 2015-07-01 16:02 -0700
          Re: GOLFulating 8086 subset. gensym? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-01 16:11 -0700
            Re: GOLFulating 8086 subset. gensym? luser droog <luser.droog@gmail.com> - 2015-07-01 16:52 -0700
              Re: GOLFulating 8086 subset. gensym? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-01 16:56 -0700
                Re: GOLFulating 8086 subset. gensym? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-01 22:12 -0700
  Re: emulating 8086 subset. Ian Collins <ian-news@hotmail.com> - 2015-06-27 21:38 +1200
    Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-06-27 02:51 -0700
      Re: emulating 8086 subset. Richard Heathfield <rjh@cpax.org.uk> - 2015-06-27 13:02 +0100
        Re: emulating 8086 subset. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-06-27 14:25 +0100
        Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-07-11 00:51 -0700
          Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 01:54 -0700
            Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-07-11 01:58 -0700
            Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 01:59 -0700
              Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-07-11 02:13 -0700
                Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 02:34 -0700
                Re: emulating 8086 subset. Bartc <bc@freeuk.com> - 2015-07-11 10:50 +0100
                Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 02:58 -0700
                Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 02:52 -0700
          Re: emulating 8086 subset. Bartc <bc@freeuk.com> - 2015-07-11 10:38 +0100
            Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-07-11 03:16 -0700
              Re: emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-07-11 03:19 -0700
  emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-06-27 03:07 -0700
    emulating 8086 subset. "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-06-27 03:58 -0700
  Re: emulating 8086 subset. luser droog <luser.droog@gmail.com> - 2015-07-10 10:51 -0700
  Re: emulating 8086 subset. JohnF <john@please.see.sig.for.email.com> - 2015-07-11 10:07 +0000

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