Fri Aug 1 01:17:06 CEST 2008

ANS Forth

So.. It seems like a good idea to pick up the ANS Forth again. The
only freedom in implementing one is what kind of threading model to
use, and where to put stuff.

Some requirements:

  * subroutine threaded
  * call/jump/or-jump
  * data word doubler

This can probably be implemented as a small layer on top of standard
forth as done before.

num -> 'num dup upper