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For everyone that has been interested in firmware
speed over the last few days, I am ready
to announce the latest version of pbForth.
This version supports the USB tower under Windows!!!!
<http://www.hempeldesigngroup.com/lego/pbForth/download.htm>
An empty loop of 20,000 interations takes less than
1 second with pbForth, and you get a fully interactive
development environment, with inline assembler support
coming shortly, thanks to Lugnet contributors.
Major changes include:
1. Support for USB tower under Windows
2. Serial port settings changed to 2400,0,8,1 (odd parity)
3. Passes full ANSI test suite of 800 tests
4. Kernel size is about 10K
5. Much more reliable communication
Please give it a try and note any installation problems.
Report any problems to the robotics.rcx.pbforth group.
I'll be updating docs and adding application notes, on the
main pbForth weblog page at:
<http://www.hempeldesigngroup.com/lego/pbForth>
Cheers,
Ralph
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Check out pbFORTH for LEGO Mindstorms at:
<http://www.hempeldesigngroup.com/lego/pbForth>
Buy "Extreme Mindstorms: an Advanced Guide to Lego Mindstorms"
<http://www.amazon.com/exec/obidos/ASIN/1893115844/hempeldesigngrou>
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Reply to: rhempel at bmts dot com
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Message has 1 Reply:
Message is in Reply To:
 | | Re: RCX Firmware Speed
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| Dick, Nice post, and an iteresting topic. My timings differ a little for v2.0 beta, but they are basically the same. My timings use an interal timer as do yours. My multi-task measurement shows that the 3mS framework does not apply to every (...) (23 years ago, 10-Apr-02, to lugnet.robotics)
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