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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: real to rational number
Date: Fri, 21 Apr 2017 21:55:58 -0700
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>> increase that to the first three items on the return stack, r@, r'@
>> and r"@.  ...
> True, but you've got to be careful to pop them, and especially be
> careful inside a loop.

Is this really much different from using PICK on the data stack?

Also it seems like just a small step from that to having a frame pointer
that you can index from, that gets set to the top of the return stack
(TOR) when entering a word, and then TOR is set to it on returning.