<p>I had loeliger's book but can no longer find it. I have many other forth books too. I tried to implement loeliger's language on an amstrad 6128 but failed. I did manage to get a forth going and it was many times faster than the amstrad basic and far easier to write than assembler. The forth for the amstrad, which I changed to use floppy instead of cassette, was very well documented. </p>
<p>I even joined the forth SIG and read their impenetrable journal "forth dimensions" for a year or two. </p>
<p>Would be great for robotics if you have very limited resources, but that's not generally the case these days.</p>
<p>The readability is as good as the comments, similar to most other programming. </p>
<div class="gmail_quote">On 3/11/2011 7:47 PM, "Robin Gilks" <<a href="mailto:robin@gilks.org">robin@gilks.org</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
><br>
> Has anyone had any real world experience with forth?<br>
> Its one of those ones that always seemed like it might be worth playing<br>
> with but I never got around to it.<br>
><br>
> Is it still a practical language? Worth the effort?<br>
> C<br>
<br>
I wrote a Forth interpreter many years ago for a Z80 CPU - hmmm must have<br>
been about 25 years ago.<br>
<br>
Was a fun job as once you have the primitives you can build your own<br>
language elements (I recall being well pleased with a switch statement<br>
referencing items off the stack.<br>
<br>
I have a very good book available for loan (i.e. it *MUST* be returned in<br>
good condition) called "Threaded Interpreive Languages" by R G Loeliger<br>
which funnily enough has an implementation in Z80 assembler :)<br>
<br>
I can't remember much about the implementation apart from the speed and<br>
small code size which were quite amazing.<br>
<br>
--<br>
Robin Gilks<br>
<br>
<br>
<br>
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