Subject:
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FW: idea for firmware development
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 18 Nov 1999 16:13:27 GMT
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Viewed:
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633 times
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> In lugnet.robotics, Sergey Udovenko writes:
> > IMO, pbForth is one of the most ready platform to implement such an emulation
> > on top of it. Implementation could be easy, compact and quite extensible.
> >
> > But, do we really need yet another LEGO firmware? ;)
Then Vlad wrote:
> Well, I think it would be an interesting exercise in programming...
>
> The only advantage I can see right now is if the pbForth implementation would
> be smaller, and thus one would have more space for the applications... but
> there may be others too!
Smaller? Sergey and I were discussing making the kernel a bit smaller, but
so far my 10x10 maze robot takes up about 4K out of about 13K of application
space. With better coding, I could probably shave about 1.5K off that.
I find it hard to believe that anyone could use up the space in the RCX
easily. 13K is a LOT when you are doing a really embedded system...
Try and write some code for pbForth or LegOS and see how much memory
actually gets used up.
Sorry if I seem like I'm ranting, but I want through a similar
phase in actual Technic construction. If only I had this or that part
then I could build X. In software it's the same thing. If I had 256K
of RAM and floating point processor, I could do neural nets.....well
the RCX has VERY limited processor power and RAM. I still
think it's an amazing little brick and challenge anyone to build
and program a practical bot that uses all of the memory.
Cheers,
Ralph Hempel - P.Eng
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Check out pbFORTH for LEGO Mindstorms at:
<http://www.hempeldesigngroup.com/lego/pbFORTH>
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Reply to: rhempel at bmts dot com
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Message has 1 Reply:
 | | Re: FW: idea for firmware development
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| (...) would (...) I think I did not express myself well enough. I meant that implementing a standard firmware emulator in pbForth would be interesting if that implementation would give more space for user programs than the standard one. Or if the (...) (25 years ago, 19-Nov-99, to lugnet.robotics)
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