Re: Jazelle?

From	Cecil Bayona <cbayona@cbayona.com>
Newsgroups	comp.lang.forth
Subject	Re: Jazelle?
Date	2016-07-20 13:33 -0500
Organization	A noiseless patient Spider
Message-ID	<nmog5v$b1g$1@dont-email.me> (permalink)
References	(1 earlier) <nmmged$bm8$2@dont-email.me> <nmn4gf$p1o$2@news.albasani.net> <MPG.31f93e8b429c8383989804@172.16.0.1> <nmnge0$rri$1@dont-email.me> <80724d4a-0367-4c44-a5bc-705b3b49843e@googlegroups.com>

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On 7/20/2016 12:54 PM, Brad Eckert wrote:
> On Wednesday, July 20, 2016 at 2:31:46 AM UTC-7, gareth G4SDW GQRP #3339 wrote:
>> But Forth _IS_ assembler, for it is based on the prior published
>> art of the KDF9 computer architecture along with its drop, dup, data and
>> return stacks.
>>
> Chuck was influenced by the Burroughs B5500, a computer from approximately the same time (KDF9 came online in 1964, B5000 in 1961). He must have really liked the B5500 because you can see a lot of its ideas in his ShBoom 32-bit CPU design (about 1985).
>
> You could say that Forth and C are both assembly languages. C is a portable assembler with types. Forth is a portable assembler with extensibility. Both have quirky system dependencies that can only be lived with.
>
In the early 70's I designed and built my own CPU, I was impressed by 
the B5500 and implemented two stacks, but it was not a classical Forth 
CPU but a mixture of register and stack CPU. The TOS could be one of the 
operands or destination but the second operand was immediate, register, 
or register indirect. But since the CPU was micro-programmable, it could 
have been easily changed but I was not aware of Forth at the time.

One of these days I would like to create the design again with a FPGA, I 
do have some notes I kept on the design.

-- 
Cecil - k5nwa

Thread

Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-20 10:31 +0100
  Re: Jazelle? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-20 10:14 +0000
    Re: Jazelle? Chris Curl <ccurl609@gmail.com> - 2016-07-20 05:37 -0700
      Re: Jazelle? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-20 13:36 +0000
    Re: Jazelle? "WJ" <w_a_x_man@yahoo.com> - 2016-07-20 13:06 +0000
    Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-20 14:49 +0100
      Re: Jazelle? hughaguilar96@gmail.com - 2016-07-20 08:48 -0700
      Re: Jazelle? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-20 14:35 +0000
        Re: Jazelle? mm0fmf <none@invalid.com> - 2016-07-20 17:39 +0100
        Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-20 20:30 +0100
          Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 15:35 -0400
            Re: Jazelle? mhx@iae.nl - 2016-07-20 13:27 -0700
              Re: Jazelle? "WJ" <w_a_x_man@yahoo.com> - 2016-07-21 09:41 +0000
            Re: Jazelle? hughaguilar96@gmail.com - 2016-07-21 17:24 -0700
        Re: Jazelle? "WJ" <w_a_x_man@yahoo.com> - 2016-07-21 10:43 +0000
          Re: Jazelle? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-21 12:44 +0000
            Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-21 22:59 +0100
              Re: Jazelle? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-22 06:42 +0000
                Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-22 12:03 +0100
                Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-22 09:05 -0400
                Re: Jazelle? Cecil Bayona <cbayona@cbayona.com> - 2016-07-22 10:09 -0500
                Re: Jazelle? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-22 19:20 +0300
                Re: Jazelle? Brad Eckert <hwfwguy@gmail.com> - 2016-07-22 09:35 -0700
          Re: Jazelle? "WJ" <w_a_x_man@yahoo.com> - 2016-07-25 10:43 +0000
            Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-26 11:41 +0100
              Re: Jazelle? Julian Fondren <julian.fondren@gmail.com> - 2016-07-26 04:26 -0700
                Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-26 11:20 -0400
  Re: Jazelle? Doug Hoffman <glidedog@gmail.com> - 2016-07-20 06:44 -0400
    Re: Jazelle? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-20 14:52 +0100
      Re: Jazelle? "WJ" <w_a_x_man@yahoo.com> - 2016-07-20 14:33 +0000
      Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 10:52 -0400
        Re: Jazelle? alister <alister.ware@ntlworld.com> - 2016-07-20 15:40 +0000
          Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 11:46 -0400
          Re: Jazelle? hughaguilar96@gmail.com - 2016-07-20 09:25 -0700
    Re: Jazelle? hughaguilar96@gmail.com - 2016-07-20 09:22 -0700
      Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 13:14 -0400
        Re: Jazelle? hughaguilar96@gmail.com - 2016-07-20 21:44 -0700
          Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-21 01:32 -0400
            Re: Jazelle? Cecil Bayona <cbayona@cbayona.com> - 2016-07-21 02:21 -0500
          Re: Jazelle? Brad Eckert <hwfwguy@gmail.com> - 2016-07-21 17:13 -0700
            Re: Jazelle? hughaguilar96@gmail.com - 2016-07-21 17:42 -0700
            Re: Jazelle? humptydumpty <ouatubi@gmail.com> - 2016-07-23 10:08 -0700
              Re: Jazelle? hughaguilar96@gmail.com - 2016-07-23 13:55 -0700
                Re: Jazelle? humptydumpty <ouatubi@gmail.com> - 2016-07-24 02:22 -0700
  Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 10:56 -0400
  Re: Jazelle? Brad Eckert <hwfwguy@gmail.com> - 2016-07-20 10:54 -0700
    Re: Jazelle? Cecil Bayona <cbayona@cbayona.com> - 2016-07-20 13:33 -0500
      Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 16:51 -0400
        Re: Jazelle? Cecil Bayona <cbayona@cbayona.com> - 2016-07-20 17:09 -0500
          Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 18:12 -0400
            Re: Jazelle? Cecil Bayona <cbayona@cbayona.com> - 2016-07-20 18:41 -0500
              Re: Jazelle? rickman <gnuarm@gmail.com> - 2016-07-20 21:01 -0400

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