Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!willett!ForthNet
From: ForthNet@willett.UUCP (ForthNet articles from GEnie)
Newsgroups: comp.lang.forth
Subject: Forth Implementation
Message-ID: <706.UUL1.3#5129@willett.UUCP>
Date: 24 Mar 90 19:44:01 GMT
Organization: Latest link in the ForthNet chain.  (Pgh, PA)
Lines: 27

Category 3,  Topic 24
Message 55        Sat Mar 24, 1990
F.SERGEANT [Frank]           at 11:20 CST
 
RB>Charles Moore notes that learning need happen but once. What a  RB>former
co-worker learned after a difficult debugging experience  RB>was to stay away
from Forth.

     That is a great juxtaposition.  Another I like is "Money is  the root of
all evil."  "A man needs roots."  (I know the 1st is  a misquote.)  Perhaps my
very favorite is "Time flies like an  arrow."  "Fruit flies like a banana." 
Yours, of course, is more  serious.

     Thanks for the details on the 1 vs 2 byte branches.  Having  a fixed size
branch sure simplifies things.  Even if I decided to  use a variable size
branch, I believe I'd leave the forward  branch a fixed (2-byte) size, since
at that time, the destination  is unknown.  This leaves only the backward
branches that can be  optimized.  Since this eliminates IF-ELSE-THEN, I think
the  variable size branches wouldn't be worth doing.  So, that leaves  me to
consider using a fixed size 1-byte branch, with an in-range  test.  Sometime I
hope to look over my code and see what that  would save me in time and space
(and how much code would need to  be re-written).

  -- Frank
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