5 - Forth Interest Group
5 - Forth Interest Group
5 - Forth Interest Group
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Features<br />
Departments 1<br />
6 Yerk Comes to the PC<br />
Rick Grehan<br />
In many ways, the Apple Macintosh begs for object-oriented development tools; they were<br />
provided by Yerkes <strong>Forth</strong> (originally marketed as Neon). The fortuitous fallout for users of the<br />
PC and its segmented memory architecture is this first-place entry in the FD object-oriented<br />
<strong>Forth</strong> contest. The author, technical director of BYTE Labs, provides an implementation that<br />
is complete enough to let you explore OOF to your heart's content.<br />
23 Object-Oriented <strong>Forth</strong><br />
Roger Bicknell<br />
Object-oriented programming relies on data abstraction, information hiding, dynamic<br />
binding, and inheritance-and only a little work brings it to <strong>Forth</strong>. This allows one to focus on<br />
objects and actions, without concern about internal implementation details. The intent here is<br />
to reduce maintenance and increase productivity. The author, a Canadian electrical engineer,<br />
provides an implementation compatible with <strong>Forth</strong>-83 that incorporates the use of vocabularies.<br />
33 Simple Object-Oriented <strong>Forth</strong><br />
Clive Maynard<br />
<strong>Forth</strong> already has the tools to create a simple object-oriented programming environment.<br />
This article, code, and clear examples teach the concepts involved by focusing on the use of<br />
defining and compiling words to create a syntax, rather than concentrating on performance.<br />
This educational approach is enjoyed by computerengineering students in Australia, where the<br />
author is a senior lecturer. Instance variables are not discussed here and only single inheritance<br />
is supported; adding those and, perhaps, vectored method access, will fulfill your entrance<br />
requirements to the universe of object-oriented programming.<br />
4 Editorial.. .......................... Objets &Art<br />
5 Letters ........................ Marketing vs. Objectivity & Public-Domain Glut, We Must Not<br />
Do Nothing, <strong>Forth</strong> on a Bathroom Scale-No Lightweight, The<br />
Atari Lesson, QuikFind Addendum.<br />
1 7 <strong>Forth</strong> Author Recognition Program<br />
I 19 Best of GEnie ............ What is this language, Foh7 I<br />
27 Advertisers Index<br />
28 resource Listings ...... Updates to on-line <strong>Forth</strong> connections<br />
<strong>Forth</strong> Dimensions 3 January 1992 February
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