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Article #291

Re: Forth standards

#291
From: jty
Date: Thu, 27 Mar 1986 18:21
37 lines
1957 bytes
I'll encourage you to write Forth yourself, but remember
two things:

a) Make it compatible either with fig-forth or better, F83
   (the Laxen/Perry/Harris implementation of Forth-83 standard)
   This makes your life a lot easier.

b) Do it in ASSEMBLER (and forth itself), everything else is
   asking for a big trouble.
   This is due to the tight integration of code and data in forth
   dictionary.
   It is possible to write a HUGE switch-statement (in C) to
   implement the virtual Forth machine, but this is VERY
   S L O W W w w ..
   Anyway, I heard Mitch Bradley (wmb@sun) is writing a portable UNIX forth
   in C, can somebody (wmb?) verify this?
   The question is, will it support "separate I and D space"?

jty@tut.UUCP				! I know all about FORTH.
Jyrki Yli-Nokari			! I saw a TV-program about it once
Tampere University of Technology	! (I also love Carl Barks)
Computer Systems Laboratory		!
N 61 26' E 23 50'			!
+358 31 162590, home +358 31 531999	!

PS.
I promised to send my 6809-forth-83 implementation to
somebody, but I lost the address (stupid me).
Can you (whoever you were) send your address again??

-- 
jty@tut.UUCP				! I know all about FORTH.
Jyrki Yli-Nokari			! I saw a TV-program about it once
Tampere University of Technology	! (I also love Carl Barks)
Computer Systems Laboratory		!
N 61 26' E 23 50'			!
+358 31 162590, home +358 31 531999	!
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From: jty@tut.UUCP
Newsgroups: net.lang.forth
Subject: Re: Forth standards
Message-ID: <337@tut.UUCP>
Date: Thu, 27-Mar-86 13:21:34 EST
Article-I.D.: tut.337
Posted: Thu Mar 27 13:21:34 1986
Date-Received: Tue, 1-Apr-86 04:37:38 EST
Reply-To: jty@tut.UUCP (Jyrki Yli-Nokari)
Organization: Tampere University of Tecnology
Lines: 37
Keywords: forth implementation