 | | RE: A reset key for pbforth
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(...) Ersnt, Thanks for this tip. I was contemplating using some kind of interrupting switch to the batteries, this is much better. I might make it accept a parameter which is a mask of the keys to press for the reset function. I'll integrate this (...) (24 years ago, 31-Oct-00, to lugnet.robotics.rcx.pbforth)
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| | A reset key for pbforth
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Hi all, as I am one of those people who cannot remember the order of the arguments to DUMP, I wrote a simple interrupt handler to use RUN as a reset key (like ctrl-alt-del on a PC). Comments are welcome here, or by email. Ernst Include the following (...) (24 years ago, 30-Oct-00, to lugnet.robotics.rcx.pbforth)
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| | RE: LEGO 2001
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(...) Ahhhh, the lure of numbers :-) (...) Agreed. I know about a half dozen kids that have these sets, and most of them would rather watch TV! Don't forget that a lot of these kits are in schools. They are dumped on teachers that have little or no (...) (24 years ago, 25-Oct-00, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RCX, Servos ,and Pneumatics
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Hi All, I've just updated my site with new information on controlling standard RC servos with the RCX. Besides the dead-simple schematic that uses Radio-Shack parts, you can even control pneumatic switches! There are a few pictures that show a (...) (24 years ago, 7-Oct-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | pbForth 1.2.1 is Released
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This is an announcement that version 1.2.1 of pbForth has been released. New features include: * Improved operation of POWER_OFF * BYE now kills the firmware * Added SERVO manipulation words to the RCX extensions * Integrate Ernst de Ridder's PBX (...) (24 years ago, 18-Aug-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)
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| | Re: New to PBforth - a few questions
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Hi David, (...) Actually the power difference is hard to notice, regardless of platform. The different power levels are achieved using pulse width modulation, but something about the motors (maybe the flywheels) means that it's hard to notice much (...) (24 years ago, 21-Jul-00, to lugnet.robotics.rcx.pbforth)
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| | New to PBforth - a few questions
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Hello, I just installed PBforth and the associated GUI interface. It works great! However I do have a few questions to anyone who can help. If I type or just hit the enter key things seem OK. But after it sits for a few moments it gets junk on the (...) (24 years ago, 19-Jul-00, to lugnet.robotics.rcx.pbforth)
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| | Temporarily out
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I am changing jobs so am a little distracted. I have not given up but it will be a few weeks before I get back to the serial stuff. (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | Software for Analyzing Forth Programs
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From NASA Tech Briefs: (URL) parts of code can be categorized and quantified in selectable ways. Marshall Space Flight Center, Alabama Forth Source Code Analysis Tool Set (FSCATS) is a computer program that provides a wide range of capabilities for (...) (24 years ago, 13-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | RE: is include included in pbforth?
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(...) And I would ike to say thanks! (...) The INCLUDE words are for the hFORTH scripts that this package is based on. I'm a terrible pack-rat, so I tend to put all the scripts in to give folks example code. It looks like I'm confusing things more (...) (24 years ago, 5-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Major breakthrough serial wise.
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(...) I'm confusing everybody by asking questions that imply that I am changing existing code. I do not touch existing code. The question about where to enable the interrupt is a final cleanup one. It is not what I am doing now. I have not touched (...) (24 years ago, 5-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Major breakthrough serial wise.
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Soirry for the late reply, I've been on a sudden business trip and was unable to get to my email... (...) Great! I would leave the basic serial stuff alone and enable interrupt driven serial IO in a separate set of words, like RCX_INIT and (...) (24 years ago, 3-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | is include included in pbforth?
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Fist I would like to say that this pbforth is great. it realy enhance this toy. Now that i got this out of my chest... I notice that some of the examples included in the pbforth package use the word INCLUDE so I tried to use it but apparently (...) (24 years ago, 3-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Major breakthrough serial wise.
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in article 39365A56.86986217@nexen.com, Steve morris at smorris@nexen.com wrote on 6/1/00 5:43 AM: (...) Try posting this on a more general list if the following suggestions don't help: 1) put the RCX and tower underneath a box to block out all (...) (24 years ago, 1-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | Major breakthrough serial wise.
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I have been fiddling with serial interrupts with little success. Today I finally figured out that interrupts are masked in the CCR until you run the word RCX_INIT. I was blindly assuming that interrupts were generally enabled and I only had to deal (...) (24 years ago, 1-Jun-00, to lugnet.robotics.rcx.pbforth)
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| | LCD_NUMBER, made it work.
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(...) I got it finally after re-reading the doc a few times. My arguements were in the wrong order. (24 years ago, 24-May-00, to lugnet.robotics.rcx.pbforth)
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| | LCD_NUMBER, Can't make it work.
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The following has no effect: HEX 3002 301F 22 LCD_NUMBER LCD_REFRESH The following do as expected: LCD_4TH LCD_REFRESH LCD_CLEAR LCD_REFRESH Am I missing something? I've tried a few other things with LCD_NUMBER. Once I got 9999 on the display (that (...) (24 years ago, 24-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: grasshopper learns new tricks
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(...) Considering that it has been almost 20 years from my first attempt you should rather say "about time." CREATE DOES> is important to me because it is sort of a minimalist object creator in the sense that it allows the creation of classes of (...) (24 years ago, 24-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: grasshopper learns new tricks
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(...) Phew, it pushes most people over the edge of sanity.... (...) But the dew is still fresh on the grass, young apprentice, and the hot sun may yet inflict harm to you in unexpected ways... Cheers, Ralph Hempel - P.Eng ---...--- Check out pbFORTH (...) (24 years ago, 24-May-00, to lugnet.robotics.rcx.pbforth)
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| | grasshopper learns new tricks
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CREATE DOES>, VALUE and EVALUATE. Thank's guys. These will all enhance my code. I knew about CREATE DOES> but never really understood it. Your description pushed me finally over the edge of basic comprehension. EVALUATE is really cool and VALUE is (...) (24 years ago, 24-May-00, to lugnet.robotics.rcx.pbforth)
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