Subject:
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Re: Hacking the RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 31 Dec 1998 01:17:33 GMT
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Viewed:
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1322 times
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Earle Clubb <lego-robotics@crynwr.com> wrote:
> Thanks for the links, everyone. I'm wondering if anyone's doing any
> hardware hacking; i.e. using the I/O directly from the H8 or using its
> interrupts, basically going straight for the heart of the system and
> bypassing all the pretty stuff. Specifically, I'm wondering what kind of
> s/w and h/w mods need to be made in order to use the H8's interrupts.
> Thanks.
Again, you want to visit the links I mentioned:
http://graphics.stanford.edu/~kekoa/rcx/#Rom
http://www.crynwr.com/lego-robotics/
http://www.multimania.com/legos/
Specifically, the first link contains some documentation about what i/o
ports are used for what and how the interrupts are used by the ROM.
The third link is for LegOS, which accesses the i/o directly and installs a
few of its own interrupt handlers. If you take a close look at the code
I'm sure you will learn something.
My ROM Reference will put all the interesting information in a single
place, but you will have to wait for that.
-Kekoa
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Message is in Reply To:
 | | RE: Hacking the RCX
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| Thanks for the links, everyone. I'm wondering if anyone's doing any hardware hacking; i.e. using the I/O directly from the H8 or using its interrupts, basically going straight for the heart of the system and bypassing all the pretty stuff. (...) (25 years ago, 30-Dec-98, to lugnet.robotics)
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