I'm still a relative newbie to the PIC world, but I was thinking it'd
be fun to have a Forth running that you could talk to over the serial
port... a much more interactive way to explore the chip's capabilities
(and to tweak any attached devices).  I guess a quick and dirty option
would be to run Forth on a PC and implement only store and fetch on the
PIC... at least you could peek and poke registers across the serial
port.  This at least would let you read/write I/O pins.

On Friday, June 6, 2003, at 03:46 PM, Barry Gershenfeld wrote:

> At 03:48 PM 6/4/03 -0700, you wrote:
>> Has anyone built a Forth interpreter that runs inside a PIC?  (i.e.
>> not
>> cross complier)
>
> The original FIG-FORTH kernel required about 7k bytes.  It didn't
> matter much which processor was used.  So looking at the average
> PIC I'd say this would not work out.  The 18F-series PIC's might
> be doable.  Though usually by the time I have a look, someone has
> already done it.  At least with flash self-programming it would
> not be impossible.
>
> Barry
>
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