Re: Apple II ProForth

["John B. Matthews" <nospam@nospam.com>]

In article <1126233895.932331.21390@g47g2000cwa.googlegroups.com>,
 "Robert Spykerman" <robert.spykerman@gmail.com> wrote:

> John B. Matthews wrote:
> > Many years ago, I ported FIG Forth to ProDOS for the Apple-Dayton user
> > group. Although some was lost, here's what I was able to recover or
> > re-create:
> >
> > http://www.wright.edu/~john.matthews/a2/proforth.html
> >
> > As always, I'd enjoy hearing any feedback.
> 
> Thank you!
> 
> Never really touched prodos I am afraid to admit, but I shall have a
> look at it when work allows. Out of sheer curiosity, I want to see how
> fast an Apple ][ can crunch a sudoku. And see how 8 bit forths are
> implemented.

I found some additional documentation that might interest you. It 
wouldn't fit on the disk; perhaps I can email it to you.

If I understand the term correctly, this implementation uses indirect 
threaded code, as discussed here:

<http://www.complang.tuwien.ac.at/forth/threaded-code.html>

> It will be interesting to dissect, I daresay! :)
> 
> You didn't do a dos 3.3 port did you?

No, but ProDOS offers strong benefits for hosting Forth, including more 
usable RAM and a clean disk interface.

> Robert

-- 
John
jmatthews at wright dot edu
www dot wright dot edu/~john.matthews/