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From my experience, what you are describing is normal behavior for the current
version of pbForth. Mr. Hempel has done an excellent job of creating a version
of Forth to work with the RCX, but the work is far from complete.
If you look at the following Lugnet message:
Message #431
Title: Re: Ooooops!
Dated March 22, 2001
you will see a description from Mario Ferrari as to how he would like to see
the buttons work once pbForth is loaded. I agree with his description, but
either way, some form of powering the RCX on and off, selecting from different
programs, and starting and stopping those programs is necessary without the use
of a terminal. I would like to see pbForth reach a level of maturity where the
only reason you need to pull the batteries out is to change them because
they're worn out.
I have just started getting involved with pbForth thanks to my son and his love
for Legos. I would be happy to help with adding new functionality if Mr.
Hempel would provide the source code to pbForth and a method to "SEE" or "VIEW"
the existing words.
Please do not get discouraged with the current behavior of pbForth, it is worth
the extra effort.
David
In lugnet.robotics.rcx.pbforth, Matt Jadud writes:
> Hello all,
>
> I've got a rather odd condition here with my old 1.0 RCX. It's seen just
> about every firmware out there, and I just nuked Lejos for pbForth. I
> used the NQC downloader, loaded the most recent s-record, and lo!, '4th'
> appeared on my display.
>
> I was able to do some simple arithmatic on my RCX:
>
> 1 1 OK
> + OK
> .2 OK
>
> which was encouraging. However, I wanted to download a more substantial
> program, and so I thought I'd cycle the power on the RCX. The buttons
> didn't work, but this doesn't bother me--I know about the POWER_OFF word!
>
> Now, it won't turn back on.
>
> I'm not finding anything on the pbForth site that covers this; I'm
> assuming either that it is A) very odd behavior, or B) everyone who uses
> pbForth just builds models that make it easy to remove and replace
> batteries...
>
> Thoughts?
>
> Thanks much,
>
> Matt
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Message has 1 Reply:
 | | RE: CPR for RCX?
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| (...) Me too, except that Forth gives you ample opportunity to hang the machine with infinite loops and errant pointers causing writes into the program space. On the bright side, I have been working on a trap handler for pushbuttons that will give (...) (22 years ago, 7-Jun-02, to lugnet.robotics.rcx.pbforth)
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Message is in Reply To:
| | CPR for RCX?
|
| Hello all, I've got a rather odd condition here with my old 1.0 RCX. It's seen just about every firmware out there, and I just nuked Lejos for pbForth. I used the NQC downloader, loaded the most recent s-record, and lo!, '4th' appeared on my (...) (22 years ago, 6-Jun-02, to lugnet.robotics.rcx.pbforth)
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