 | | Re: Cygwin under Virtual PC on OS X
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David Chen <nospam-dcchen@pacbe...et-nospam> wrote in message news:nospam-dcchen-F...net.com... (...) David, What steps or instructions are you following to build the cross compiler on OS X? And from what source are you getting the cross compiler (...) (22 years ago, 2-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Motor Control Register (0xf000) and Memory Space 0xFDB0-0xFD7F
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This note is of interest to people who build their own RCX firmware. It provides some additiional insight to the recent post concerning dual use of upper memory range and the motor control register. There's a trade-off between real time performance (...) (22 years ago, 1-Dec-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Linker crashing
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(...) Known problem. Search this newsgroup. Last known working version: binutils-2.12. I've been fiddling with this recently, and believe it to be caused by something writing outside a malloced block, and trashing malloc's control information. (...) (22 years ago, 1-Dec-02, to lugnet.robotics.rcx.legos)
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| | Linker crashing
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I recently built binutils 2.13 for h8300-hitachi-hms target (default configuration otherwise) under Mandrake-Linux 9.0. When I use ld to generate an S-record file, it crashes ("Segmentation fault"), but still produces valid output. However, this (...) (22 years ago, 1-Dec-02, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Suggestion: Provide precompiled Cygwin h8300 gcc+binutils, downloadable via Cygwin setup.
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Compiling your own compiler is undoubtably the hardest barrier of entry to brickos. I suggest that the h8300 binutils and gcc be distributed as Cygwin packages from the brickos website. This would simplify the install to merely running Cygwin setup, (...) (22 years ago, 30-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.6 installation problems - a better way?
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(...) Thanks Max, I have now got the latest version of BrickOS and will try to reinstall cygwin. Thanks for your help. John. (22 years ago, 29-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.6 installation problems - a better way?
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(...) Weird. Sounds like your install of Cygwin is corrupt. Max. (22 years ago, 28-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.6 installation problems - a better way?
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(...) Thanks Max, in running the instructions mentioned above, I entered the following in a bash shell, with the following responses. Sorry about the volume of this but it is all there. Any answers would be appreciated. $ cd /legos-0.2.6 $ make (...) (22 years ago, 28-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Motor Control Register (0xf000)
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The lugnet registration takes forever :) After reading this post a light went on in my head. A few weeks ago I wrote a multi-threaded program for the RCX (about 7 threads, each running an endless loop). When I added one more thread, the robot (...) (22 years ago, 27-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.6 installation problems - a better way?
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(...) Yes, the install of LegOS/BrickOS is quite difficult for those of us who have never used Unix/Linix. Once you've downloaded the cygwin tools, I believe you can change versions of LegOS/BrickOS without much problem. You don't need to DL more (...) (22 years ago, 28-Nov-02, to lugnet.robotics.rcx.legos)
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