Hi Enoch,
>
> As I promised to generalize crc8.frt (#1) a question was raised how would
> the user configure it to its use, namely, select the generating
> polynomial byte and the needed bit order (#2).
>
> I answered the question through the following amforth-shell.py
> improvement which introduces a local appl_owns.py substitutions file.
>
> Without further ado here's the patch and its use for your perusal:
>
> Patch: http://pastebin.com/uDK7fk9N
A few notes
+ sys.path.insert(0, ".")
if os.environ.has_key("AMFORTH_LIB"):
self._search_list = os.environ["AMFORTH_LIB"].split(":")
- else:
- self._search_list=["."]
During my tests I found that change less useful. I run the shell
not only from the appl directory but also from $HOME, so adding
"." to the search path leads to a huge amount of files, the
shell reads in upon start (on my system it took more than only
a few seconds. And I have 8GB RAM, but my $HOME is bigger). So
I reject this part of the patch. Sorry.
For the other stuff "appl_own.py" I've not opinion yet. What
exactly is the problem you want to solve? What I would like to
have is something that could the following (forth code!)
[undefined] foo
#include foo
[endif]
for which the shell sends the content of foo unless foo is already
defined. The control words are not sent to the controller as well.
File oriented forth's have something like that, and I think the
shell is capable of doing something similiar.
Matthias
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