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Re: OKAD?

Newsgroups comp.lang.forth
Date 2016-09-12 13:48 -0700
References (3 earlier) <nqulrq$f85$1@dont-email.me> <1fe82f27-e99d-4809-901a-49c80650c6dd@googlegroups.com> <nqvbi4$1pv$1@dont-email.me> <87lgz0k8jh.fsf@jester.gateway.pace.com> <679aed09-f763-4072-893b-9421e121a204@googlegroups.com>
Message-ID <8db49be3-e9e5-4247-a4ef-425b11efa623@googlegroups.com> (permalink)
Subject Re: OKAD?
From Jecel <jecel@merlintec.com>

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Most of the information available on OKAD can be found
Chuck Moore's "fireside chats" over the years and in the
old colorforth web site.

The reason thermal simulation was added toe OKAD is that
the F21 chip could be run at 800MHz but a sequence of
ADDs would overheat two transistors in the ALU and ruin
them. The solution was to either run it at a lower clock
or include NOPs between pairs of ALU operations.

With the improved OKAD this kind of design problem would
not happen again.

Comparing the Fireside Chats from different years you can
see some evolution in OKAD. Originally there was a lot of
manual design at the rectangle level but it became a higher
level language over time and the building blocks were
more flexible.

-- Jecel

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Thread

OKAD? Mux <Yvo.Zoer@gmail.com> - 2016-08-22 15:07 -0700
  Re: OKAD? Paul Rubin <no.email@nospam.invalid> - 2016-08-22 15:31 -0700
  Re: OKAD? Bernd Linsel <bl1@gmx.com> - 2016-08-23 01:45 +0200
    Re: OKAD? Mux <Yvo.Zoer@gmail.com> - 2016-08-23 13:55 -0700
  Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-09 00:18 -0700
    Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-09 02:47 -0700
      Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-09 11:52 -0400
        Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-09 10:22 -0700
        Re: OKAD? Mark Wills <markwills1970@gmail.com> - 2016-09-09 14:57 -0700
          Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-09 18:02 -0400
            Re: OKAD? Paul Rubin <no.email@nospam.invalid> - 2016-09-09 15:33 -0700
              Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-10 01:55 -0400
              Re: OKAD? mhx@iae.nl - 2016-09-09 23:36 -0700
                Re: OKAD? Jecel <jecel@merlintec.com> - 2016-09-12 13:48 -0700
                Re: OKAD? Paul Rubin <no.email@nospam.invalid> - 2016-09-12 14:17 -0700
                Re: OKAD? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2016-09-13 00:01 +0100
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-13 14:54 -0400
                Re: OKAD? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2016-09-14 08:50 +0100
                Re: OKAD? Paul Rubin <no.email@nospam.invalid> - 2016-09-14 01:15 -0700
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-14 05:08 -0400
                Re: OKAD? Paul Rubin <no.email@nospam.invalid> - 2016-09-14 02:14 -0700
                Re: OKAD? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2016-09-14 10:33 +0100
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-14 05:55 -0400
                Re: OKAD? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2016-09-14 11:33 +0100
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-14 13:18 -0400
                Re: OKAD? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2016-09-14 21:02 +0100
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-14 17:20 -0400
                Re: OKAD? Jecel <jecel@merlintec.com> - 2016-09-15 10:54 -0700
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-15 17:28 -0400
                Re: OKAD? Jecel <jecel@merlintec.com> - 2016-09-16 10:38 -0700
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-17 17:05 -0400
                Re: OKAD? Jecel <jecel@merlintec.com> - 2016-09-21 13:42 -0700
                Re: OKAD? rickman <gnuarm@gmail.com> - 2016-09-21 18:03 -0400
                Re: OKAD? Jecel <jecel@merlintec.com> - 2016-09-23 13:21 -0700
    Re: OKAD? albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2016-09-09 14:01 +0200
      Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-09 04:57 -0700
  Re: OKAD? Ilya Tarasov <ilya74.tarasov@gmail.com> - 2016-09-13 09:18 -0700
    Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-13 10:09 -0700
      Re: OKAD? Ilya Tarasov <ilya74.tarasov@gmail.com> - 2016-09-16 17:24 -0700
        Re: OKAD? JUERGEN <epldfpga@aol.com> - 2016-09-17 02:38 -0700

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