Subject:
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Re: Not that you care...
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 6 Aug 1999 23:15:56 GMT
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Original-From:
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Stephen Collins <blivets@gisSAYNOTOSPAM.net>
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Viewed:
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886 times
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>
> Somewhat along those lines & realizing that the amount of memory in the • RCX
> is quite limited, is there some way to create "persistent objects" (well,
> even storing a couple variables would be interesting) using the standard
> firmware/Spirit? I don't see anything that looks like such a thing in the
> RC command listing, particularly not one that is going to survive a given
> program being stopped or the RCX being powered down (I don't expect the
> timer value to be of much help here). If not, I presume that legOS or
> hforth or Jini/MindStorms or any of the other firmware-replacements can do
> such a thing: after all, the firmware itself is persistent.
The only way I can think of is to fake it. Using the API approach, there's
no reason why you couldn't define some persistent data that your code (in
VB, C++ or whatever) would write to disk as appropriate. The idea is that a
subsequent load of the program would read the previously written data and
use it to set things to match where they were before. I assume, based on
the normal meaning of "persistence", that this is what you want to do.
There's no reason that the data couldn't be anything that the API allows you
to access.
There's lots of potential doing this, if you stop to think about it...
-- Steve
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Not that you care...
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| If anyone isn't unsure, I concede that I goofed with respect to the word "fluid". I still stand staunchly by the distinction between "hydraulic" and "pneumatic". Apologies and all that to whom they are appropriate. ---...--- A small introduction: (...) (25 years ago, 6-Aug-99, to lugnet.robotics)
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