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 | | Re: Robotics in Aussie
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| (...) Yes, this appears to be so. There might be some secret sommand to gain more access to the CM, but I doubt that you can change the entire firmware in it, especially since the CM lacks a RAM chip on the circuit board, as the RCX does. (...) (...) (26 years ago, 14-Dec-98, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: Mapping
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| I've just started experimenting with mapping and these are my thoughts on it. Drop the robot anywhere in its environment. The robot has a sonar hooked to a servo so the sensor can be scanned horizontally. As the sensor sweeps from left to right, (...) (26 years ago, 15-Dec-98, to lugnet.robotics.handyboard)
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memory
(score: 0.986)
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| | Help With Programming
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| I am looking for help in programming the RCX using Visual Basic 5.0. I can issue immediate commands successfully, ie turn a motor on or off, however I can not get programs to download into memory. Programs will download successfully into memory (...) (26 years ago, 7-Jan-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: legOS ... really a stack question
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| (...) All off-chip accesses to f000 or higher are memory mapped to the motors. Because accesses to addresses above fb7f are all on-chip or invalid, the motors are effectively memory mapped to f000-fb7f. (...) What are your symptoms again? One (...) (26 years ago, 2-Jan-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: legOS ... really a stack question
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| (...) Hmmm ... good point. 0xf000 is memory mapped I/O for the motors, IIRC. Not sure whats above there, but I wouldn't be surprised to hear it isn't a good place to store things. I'd guess that setting the stack to 0xeffe should be equally good. (...) (26 years ago, 2-Jan-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: IR Tower
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| (...) legOS doesn't run the static constructors/destructors. I think. Yet. So C++ may not work as expected. There's also something weird going on still with memory layout. BTW, do you have instructions for getting egcs working? I tried but it didn't (...) (26 years ago, 23-Dec-98, to lugnet.robotics)
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memory
(score: 0.986)
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memory
(score: 0.986)
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| | RE: urgent request help !!!!
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| -----Original Message----- From: phillip chia [mailto:philchia@sin...et.com.sg] Sent: Friday, December 18, 1998 7:04 AM To: handybd Cc: Mr Peter Lim Subject: urgent request help !!!! Hi Fred and others, I very desperate to debug the problem that (...) (26 years ago, 18-Dec-98, to lugnet.robotics.handyboard)
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memory
(score: 0.986)
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| | Re: Memory
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| (...) Worth a go, but I have to say that O'Reilly's artistic types don't take well to suggestions :-) Not that I don't _lurve_ my horse. I do. Betcha they do a turtle. Cheers, Ben. -- (URL) grandfather once told me that there are two kinds of (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | Memory
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| (...) an Amoeba or Paramecium would suit well. Stimulus Response, Stimulus Response. Cheers Tim -- Did you check the web site first?: (URL) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | RE: Memory
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| (...) No that's no good, people might think the RCX is completely useless. What's the difference between an engineer and a marketroid? The Engineer knows when he's lying. ObLego: When is this book due to come out? what's in it? The Mindstorms (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: legOS - Does it work for you?
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| (...) Hmmm ... not so sure if the task manager is responsible - I have a related (I think) problem if I use static variables - programs that work fine with global variables just lock solid when they are static. Since making them static merely moves (...) (26 years ago, 31-Dec-98, to lugnet.robotics)
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memory
(score: 0.986)
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| | Re: Where do the old models go when they die?
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| (...) Clearly a troll, but I'm on vacation, so here goes. There is no model afterlife. A model exists for only as long as forces external to it, which it cannot control, suffer it to. Once disassembled it exists only in the memory of those that (...) (26 years ago, 21-Dec-98, to lugnet.off-topic.fun)
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memory
(score: 0.985)
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| | Re: Piece sorting methods
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| (...) Shouldn't that be "the Windows buyer gets the bugs"? I just worked with MacOS and I was impressed! After a whole days work, I didn't get a single ErrorMessage, BSoD or Dr. Watson!!! This is proof: it CAN be done right! (Please mr. Gates. Steel (...) (26 years ago, 21-Dec-98, to lugnet.off-topic.fun)
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memory
(score: 0.985)
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| | Re: Memory
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| What would be more useful - and what I'm assuming (hoping?) alternate firmware like legOS are up to - is to allow you to manage the available memory between data space and code space. There are 6100 bytes of memory available for 5 programs and a (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 0.985)
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memory
(score: 0.985)
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| | (no subject)
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| Dear Mr Fred Martin/friends, The handy board assembly manual speaks of a custom testing software needed to test memory. I want it urgently to test memory ICs used on the handy board to find whether they is working properly. If you know where it can (...) (26 years ago, 18-Jan-99, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | Simtek memory
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| A few weeks ago Duncan Orthner mentioned the Simtek memory chips on the HB newsgroup. They sounded like a good idea so i tried them. They work very well. But..... The HB may need a little modification to make them work rite. When the HB is powered, (...) (26 years ago, 23-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 0.985)
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| | Re: legOS ... really a stack question
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| (...) The point appears to be that statics end up somewhere completely different from globals in the memory map - so I agree that it is probably an unrelated bug that is revealed by changing the memory map. As it happens, because of alignment, the (...) (26 years ago, 5-Jan-99, to lugnet.robotics)
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memory
(score: 0.985)
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| | Re: RCX 2.0 -- ideas.
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| While talking about separating the battery pack from the RCX it occurred to me that having the thing forget all the firmware whenever you change the batteries is a *pain*. Making the RCX retain this in a semi-permanent or permanent fashion would be (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
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memory
(score: 0.985)
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