 | | Re: Motor Control Register (0xf000)
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(...) This is interesting. It makes sense that the memory backing these locations still works, but I never would have thought to try to use it. I will make a note of this on my pages. -Kekoa (22 years ago, 13-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Motor Control Register (0xf000)
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(...) Interesting, I never looked at that version. I think the one disassembled by Kekoa is 0309. Current versions of leJOS also use this upper memory to store part of its firmware (almost 3K). Jürgen (22 years ago, 13-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Motor Control Register (0xf000)
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Joe, [some reordering of comments for clarity] (...) The idea is to pick a certain number of functions that will fit in the upper RAM space (~2900 bytes) and put these functions in a seperate linker section (other than the default ".text" section). (...) (22 years ago, 13-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Motor Control Register (0xf000)
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Mark, This is very interesting. I have experienced strange motor behavior with programs on BrickOS before; I now wonder if this may have been the situation. I do not currently know enough about GCC to make the changes that you mentioned, but I am (...) (22 years ago, 13-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Motor Control Register (0xf000)
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Seeing as how there's been little traffic here recently, I thought I'd post about something I found that's cleared up a little mystery (for me at least). It concerns the RCX register that is used to control the motors. This register lives at 0xf000. (...) (22 years ago, 13-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: download speed
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(...) Daniel, Much more than the 600 byte class gets downloaded. If you do lejos myclass -o myclass.bin, and look at the size of myclass.bin, you will see the true size of the download. If you have a serial rather than usb tower, then you can use (...) (22 years ago, 11-Nov-02, to lugnet.robotics.rcx.java)
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| | download speed
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hi first, i would like to congratulate the Lejos team. When i bought Mindstorms, didn't imagine i was going to use it with my favorite programming language! I noticed that Lejos (2.0.0) is very slow to download programs or firmware to the rcx, (...) (22 years ago, 11-Nov-02, to lugnet.robotics.rcx.java)
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| | 'Cyber Sorter' a live (was B.Sc in LEGO)
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Hi everybody, A few monthes ago I announced that I'm making my final project for my B.Sc in electronics from LEGO mindstorms bricks. First of all I'd to say thanks for those who offered help and a name for my robot. The chosen name was 'Cyber (...) (22 years ago, 9-Nov-02, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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all it supplies is the new software, no USB tower....otherwise I would have gotten one long ago..... Timothy (...) (22 years ago, 6-Nov-02, to lugnet.robotics.rcx)
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| | Re: RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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(...) Does the upgrade kit come with the USB tower, or just a CD-ROM? (...) Will the new RIS software support the IR tower or only a USB one? (22 years ago, 5-Nov-02, to lugnet.robotics.rcx)
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| | how to calculate program size?
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this has been asked before, but i cant seem to find the answer in my inbox. anyways, i was wondering how i could calculate the program size of the program on my rcx. im using legOS 0.2.4. any help appriciated kenneth johansen kennethj@stud.cs.uit.no (22 years ago, 5-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Release candidate brickos-0.2.6.08 avail for testing
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After making this change everything worked perfectly, as far as I can tell. I had a lot of trouble trying to build the gcc cross compiler. With this build and the pre-build cross compiler from hitachi's website everything was very easy. Thanks! (...) (22 years ago, 5-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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(...) To be precise, there is one additional part, it's an additional long clear thick optical fiber. I think it's intended to connect some VLL bricks to the USB tower. The Spybotics contain similar but shorter optical fibers. I also read that the (...) (22 years ago, 5-Nov-02, to lugnet.robotics.rcx)
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| | Re: RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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(...) There are also instructions for 6 interesting models on CD-rom (though these instructions are a bit sketchy, and I prefer paper!!!) Philo www.philohome.com (22 years ago, 5-Nov-02, to lugnet.robotics.rcx)
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| | Re: RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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(...) The parts change isn't that significant. The big difference is the USB tower. (...) The software is the most major improvment if the set is inteded for kids. While I find the scrolling annoyingly slow, It still has a lot of improvments over (...) (22 years ago, 5-Nov-02, to lugnet.robotics.rcx)
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| | RIS 1.0 -> 1.5 -> 2.0 upgrade questions
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I have a Mindstorms 1.0 set. When the 1.5 upgrade came out, I purchased it. I see that the 2.0 upgrade is out. A couple of quick questions: (1) Is the upgrade just a CD-ROM, or are there any pieces, users' guide, or Constructopedia like there was in (...) (22 years ago, 5-Nov-02, to lugnet.robotics.rcx)
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| | Re: controlling rcx with remote control
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(...) No luck... It's for the lego remote... (22 years ago, 4-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: LNP packet handler
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(...) Hi :-) I had problem the same. After brushing code source per some days, I finished discovering that the problem was with the versions. I installed logOS 0.2.5 and everything functioned well. (22 years ago, 4-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Release candidate brickos-0.2.6.08 avail for testing
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(...) I spoke too soon. There is a problem with cygwin and Makefile.Common in the new release. The host utilities are not built with -D_WIN32 which (of course) causes them to not work at all. In Makefile.Common there is a place where CFLAGS is set (...) (22 years ago, 4-Nov-02, to lugnet.robotics.rcx.legos)
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| | I solved a small problem in lnp :-)
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Hi :-) The problem is: When compiling programs made in language 'C++' using: # g++ myprogram.c -llnp The g++ would not compile and the follow messages appeared: /tmp/ccXFr7VZ.o: In function `main': /tmp/ccXFr7VZ.o(.text+0x95): undefined reference to (...) (22 years ago, 4-Nov-02, to lugnet.robotics.rcx.legos)
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