 | | Re: C Compiler for Windows 98
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Thanks for the help! Sorry, but I have been out of town for Turkey Day and haven't had a chance to give it a try. Now I'm back, and the hair (which I've pulled out trying to get this thing to work) is starting to grow back and I would really like to (...) (23 years ago, 2-Dec-02, to lugnet.robotics.rcx.legos)
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 | | 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 (...) (23 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 (...) (23 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. (...) (23 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 (...) (23 years ago, 1-Dec-02, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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 | | NQC 2.5 a3 released
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Anoter beta release of NQC at: (URL) one is really just an accumulation of minor features that I have added upon request for people (-R, goto, short branches, etc). Dave (23 years ago, 1-Dec-02, to lugnet.robotics.rcx.nqc)
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 | | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) (Do you mean the "Lift Fan"? The "Thrust Fan" is the one that pushes the hovercraft forwards.) In the case of the lift fan, yes - because the pressure of the air in the skirt is higher than the air above the fan, it'll leak out anyway it can - (...) (23 years ago, 1-Dec-02, to lugnet.robotics)
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 | | Vision Command under Linux / Kylix
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I've got a cheap VC package and started to play with it. Working mostly under Linux with brickOS, I would like to program the cam under Linux. It was no big problem to get it to work. I tested it with the xawtv program. Looks pretty good. Next step (...) (23 years ago, 1-Dec-02, to lugnet.robotics, lugnet.robotics.vc)
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 | | Re: Robolab - lejOS communication
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(...) Mario, Lejos supports communication using the original firmware opcodes via the Serial class, but, apart from program download, this is designed for executing opcodes, not downloading data. F7Handler and F7DeliveryHandler are part of and (...) (23 years ago, 1-Dec-02, to lugnet.robotics.rcx, lugnet.robotics, lugnet.robotics.rcx.java, lugnet.robotics.rcx.robolab)
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 | | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Brushless DC motors, such as those used in PC cooling fans, won't generate enough power, even if the voltage is increased. This is because they actually have a switching circuit that changes polarity of the electromagnetic coils. I've gotten a small (...) (23 years ago, 1-Dec-02, to lugnet.robotics)
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