Hello gp2, hello all,
so I chime in late, but nevertheless.
1. The road to amforth on controller X
Yes, that road is definitely long and windy. I sometimes give
classes on exactly that. There are so many pieces that *must*
work together, before the first ok prompt shows up.
You did a great job, and most importantly, you did not give up!
Congrats!
2. uploading forth code.
There are at least 2 options here:
a. am4up
There is a file am4up.c in the tools subdir of amforth/trunk.
Compiling produces a small program which can be included into
the list of tricks that minicom knows. There was a piece of
documenation as well --- see below.
b. amforth-upload.py
This python script will read your file and transfer it to the
controller via serial interface. You need to disconnect
minicom (or whatever terminal program you use) to allow
access.
This is what I use. I have hacked a Makefile snippet to use
this:
TARGET=main
CONSOLE=/dev/ttyUSB0
upload:
amforth-upload.py -t ${CONSOLE} $(TARGET).fs
c. Then there is a newer Implementation "amforth-shell.py"
This is a fairly comfortable thing. It will substitute PORTA
with the appropriate hex address and other tricks. However,
this is why I do not use it. It changes the lines behind my
neck. I don't like tools like this, however, ymmv. See
http://amforth.sourceforge.net/TG/recipes/Upload.html
d. at the very end of the FAQ
http://amforth.sourceforge.net/faq.html
there is also a mention of ascii-xfr
3. forget/marker
You can load "marker" after burning the controller. You can
find it in amforth/trunk/lib/ans94/core-ext/marker.frt
Please note:
marker --start--
will define a marker and place the word "--start--" in the
wordlist. If you call "--starter--" at a later point, it will
reset the system to the state *before* the marker was
defined, in other words it will delete "--start--" from the
wordlist, too.
Hmm, I thought there was a cookbook entry on this, but I
don't see one. Maybe time to create a short example ...
So, hope this helps, and welcome to the list.
Erich
PS: ok, this is not really the correct email to respond to, but
the last one I received in this thread.
Tom Maynard writes:
>> "FORGET is not implemented
>
> Um, yes: my note was incredibly poorly worded. I should have said something
> like, "'FORGET' -- which in Amforth is implemented using 'MARKER.'" But,
> too late now: you found it and figured it out.
>
>> I assume I have to add MARKER by including it and burning a new instance
> of FORTH, is that correct?
>
> Exactly so. Once you have an image with MARKER included you can set the
> marker wherever you like and then "forget" all of your experiments back to
> the marker. As a returning newbie, having to burn a new image just to
> forget words was a royal PITA: MARKER saved the day for me as well.
>
>
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--
The purpose of computing is insight --- not numbers
R. Hamming
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Develop your own process in accordance with the BPMN 2 standard
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