 | | FW: Mindstorms/reinforcement learning
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-----Original Message----- From: Ralph Hempel [mailto:rhempel@bmts.com] Sent: Wednesday, October 13, 1999 11:59 AM To: Blake Winton Subject: RE: Mindstorms/reinforcement learning (...) Yes!!! The simple FORTH tutorial is good. Thanks for the link. (...) (25 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RE: Forth vs Assembler
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(...) There are a couple of reasons to choose pbFORTH over raw assembler... 1. Assembler requires an assembler, which means downloading and configuring the GNU tools on eiher Linux or Cygwin for Win9x. Not for the faint of heart. 2. Once you get (...) (25 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RE: Mindstorms/reinforcement learning
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(...) Declaring variables (almost any number of them) in pbFORTH is like this: VARIABLE FOO Fetching and storing is like this: 23 FOO ! ( this stores the value ) FOO @ ( this fetches the value ) Values are 16 bit integers - 32 bit doubles use a (...) (25 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RCX Image Uploader Wins Contest
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Hmmm - I just got emailed that I won the "Best Lightweight Use" of the TclTk programming language in a contest sponsored by Scriptics (URL) Here's the URL from Scriptics and if you follow the link to me on that page it'll take you right to my (...) (25 years ago, 25-Aug-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: New pbFORTH 106 release
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Hi Ralph, Thanks for the new release. I have a couple of questions: 1. How do I use BUTTON_GET? The documentation says it just expects to find an address on the stack, but I get this: RCX_BUTTON BUTTON_GET BUTTON_GET ? stack underflow 2. What (...) (25 years ago, 29-Jul-99, to lugnet.robotics.rcx.pbforth)
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| | New pbFORTH 106 release
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This is a bulk mailing of notice of the new pbFORTH 106 release. If you don't want to be on this list, please email me so I can take you off. The latest and greatest pbFORTH is now available. Enhancements include: 1. Fixed issues with timers (thanks (...) (25 years ago, 28-Jul-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | RE: TIMER 0 is flakey
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(...) That's not all. Seems like I've left half of the words using the old calling convention..... I'll get 1.0.6 out and posted by tomorrow, along with the TCL gui and a small test suite. Cheers, Ralph Hempel - P.Eng ---...--- The train stops at (...) (25 years ago, 28-Jul-99, to lugnet.robotics.rcx.pbforth)
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| | RE: Do the high resolution timers work?
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(...) Yep, you've got the parameters backwards. Try FFFF 0 timer_set. Also, I'm not sure about numbers above 0x8000... I'm working on a TclTk interface for uploading firmware images to the RCX and for pbFORTH scripts. I ALMOST have the comment (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.pbforth)
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| | RE: TIMER 0 is flakey
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(...) Looks like I'd better test this again, and maybe release 1.06... Sorry. Cheers, Ralph Hempel - P.Eng ---...--- The train stops at the train station, The bus stops at the bus station, So why am I sitting at a work station? ---...--- Reply to: (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.pbforth)
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| | TIMER 0 is flakey
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Hi Ralph, It looks like TIMER 0 is hosed in v1.05. Take a gander at this: ----- : time RCX_INIT 0 0 TIMER_SET 32 0 DO 0 TIMER_GET . LOOP ; ok time 0 0 0 0 0 0 0 0 0 0 0 0 1 1 -32639 -32639 130 130 -32638 131 131 131 -32637 132 132 132 133 -32635 (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.pbforth)
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