January 2009 Meeting Notes
Compiled by Dave Jaffe
Contributions from Kevin Appert and others
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10:00
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Coffee and a Chat
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10:15
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eForth in C - CH Ting
"Since I got the uVision 3
microcontroller development system which comes with a good C compiler for many
many microcontrollers, I thought that it would be a good idea to write eForth
in C, just for portability. I revisited
Wil Baden's
thisForth
and couldn't even understand it. There's got to be a simpler way to do it. I
think I can get an interpreter to run this week. The compiler would be much
more difficult. I will need help in building the Forth dictionary as a data
structure."
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11:40
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Lunch
Early lunch on-campus to avoid the rush
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13:00
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Introductions, Announcements, Rumors, Random
Access
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13:20
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Interesting Items - Volume 12 - Dave
Jaffe
Dave will continue his survey of interesting newly-introduced microcontrollers,
I/O peripherals, sensors, products, and gadgets that can provide useful and
unique capabilities to Forth embedded systems. If anyone has come across
anything that fits this category, pass them along to him for inclusion in his
presentation.
- Slides - pdf file
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14:00
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Semi-Parallel Multiplier with Log2 N
Steps - John E. Harbold
"I figured out a 'semi-parallel' multiplier when I was in the Hilton
Sports Book in Las Vegas that would be an adjunct design for Ting's massively
parallel matrix multiplier."
- Slides - pdf file
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15:00
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Sneak Preview: Music Synthesizer
(MusicBox24) on FORTHdrive - Masa Kasahara
Now that the demo program (MusicBox24) is available from IntellaSys, you can
experiment with it yourself. Masa has been waiting for it ever since Michael
Montvelishky showed it off on Forth Day in 2007. It is not an easy program to
understand, but he started working on it. Although he does not know what will
be presented in the near future, he will demonstrate how to install
VentureForth and run a couple of demo programs, just enough to start your own
journey with this marvelous device.
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15:30
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Adjourn
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15:30
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Indoctrinate U DVD - Kevin
Appert
It's a little off-topic, but important! Note that this version of
Indoctrinate U contains
explicit language. There will be no Forth discussed afterwards, so if you're
not interested, you're free to leave. Run time is 89 minutes.
- "Speech codes. Censorship. Enforced political conformity. Hostility to
diversity of opinion. Sensitivity training. We usually associate such things
totalitarian regimes, not with the American universities that nurtured the free
speech movement."
Documentary filmmaker Evan Coyne Maloney investigates political
censorship at colleges and universities in the US.
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Other items:
Forth
- A
Forth HTML Generator
- Forth in C
- pForth - Portable Forth in C
- MinForth
- Minimalistic Forth in C
- FICL - Forth Inspired Command
Language
Other
- OpenGrok
- Cythbot
- Instrumented guitar
- Ping
- Ultrasonic range finder from Parallax
- Bitscope - used PC as display
- USBee DX - Mixed Signal
Oscilloscope, Logic Analyzer and Bus Analyzer
- Hobbylab.us - PC USB oscilloscope
- Stellasis
- Serial to Ethernet convertor
- Gainspan - Wifi networks
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