[PicForth] ANN: 'roll' and '-roll' implementation

[Alex Holden]

David McNab wrote:
> I've implemented the ANS CORE EXT standard word 'roll' - which I'm sure
> many have wanted (especially since PicForth has no 'rot' or '-rot'.

rot and -rot are in libextra.fs but they're pretty inefficient.

-- 
------------ Alex Holden - http://www.linuxhacker.org ------------
If it doesn't work, you're not hitting it with a big enough hammer