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Message from discussion standard wordset for MCUs
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Elizabeth D. Rather  
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 More options Mar 31 2012, 2:16 pm
Newsgroups: comp.lang.forth
From: "Elizabeth D. Rather" <erat...@forth.com>
Date: Sat, 31 Mar 2012 08:16:51 -1000
Local: Sat, Mar 31 2012 2:16 pm
Subject: Re: standard wordset for MCUs
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On 3/31/12 6:38 AM, Carsten Strotmann (Usenet) wrote:

> Hello c.l.f colleagues,

> does a standard wordset (or best common practice) exist for Forth on
> Microcontrollers? Based on a discussion inside the german Forth
> community I'm looking esp. for common best practice for such things
> like:

> * does HERE point to Flash or RAM?
> * common words to access I/O ports
> * common words to fetch/store in flash/eeprom in addition to @/! for RAM
> * common words to 'compile' to RAM (when ,/c, compiles to dictionary in
> * Flash)

> Would it make sense to have a formal (like as part of Forth 200x)
> standardization of an MCU word set?

There is a proposed standard for cross-compilers aimed at
microcontrollers here:
http://newsgroups.derkeiler.com/Archive/Comp/comp.lang.forth/2007-06/...
(in 2 formats, pdf and doc). Read XCpaper first, it's an overview.
XCtext5 is the normative part (5th draft), while XCapp5 is an
explanatory appendix. This technology has been in use for over 10 years.
The current Forth 200x committee is hoping to standardize this, but is
looking for some updates.

Hope this helps!

Cheers,
Elizabeth

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FORTH Inc.                         +1 310.999.6784
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