Subject:
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Re: Memory Map for the RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 11 Nov 2003 17:04:25 GMT
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Viewed:
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1039 times
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In lugnet.robotics, "Rob Limbaugh" <RLimbaugh@greenfieldgroup.com> wrote:
> Does anyone have a complete memory map for the RCX?
Here's a brief summary:
0000-3FFF On-chip ROM
4000-7FFF Unused
8000-EFFF External RAM
F000-FB7F External RAM, motor control register (write)
FB80-FD7F Reserved
FD80-FEFF On-chip RAM
FF00-FF7F On-chip RAM (can use 8-bit addressing modes)
FF80-FF87 External RAM, motor control register (write)
FF88-FFFF I/O registers
See Kekoa's pages for an in depth memory map:
http://graphics.stanford.edu/~kekoa/rcx/
And, for the I/O registers, see Appendix B in the H8 hardware manual:
http://www.renesas.com/avs/resource/japan/eng/pdf/mpumcu/e602080_h83297.pdf
Mark
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