 | | Re: How do I delete firmware from firmware?
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(...) [...snip...] (...) I defined the BYE word in h8hforth.asm according to Kekoa's comments and it works like a charm. The RCX is reset but doesn't turn off, so new firmware can be uploaded immediately. Ernst (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | RTC
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Hello, I have a few questions about legOS, but I know absolutely nothing about it or about the Lego Mindstorms. I am involved in a project at my company to provide real time control of a robot (with one of our data aquisition systemes mounted on it) (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: How do I delete firmware from firmware?
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(...) Here's a copy of what Kekoa replied with... This sounds correct. In C, this is how I do it: /* Delete the firmware */ *(char *)0xffcc = 1; (*(void (**)(void))0)(); Indeed, *(void (**)(void))0) is the reset vector, whose value is 0x03ae. 0xffcc (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: How do I delete firmware from firmware?
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(...) Looking at forth code it looks like "HEX 3ae EXECUTE" might end up doing what we are talking about. I tried this with out getting what I expected. I will fiddle more but does the approach seems right? M_CODE(7,``"EXECUTE"...TE,_FLINK) MOV.W (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Help with Terminal Emulator
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(...) Ralph, The firmware and script uploads work great. I've gotten a good download each time. Thanks. I haven't yet tried the xmodem/save-system yet, but I'm just getting started. --Jerry (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Bug in HEX handling?
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(...) Thanks. That helps. Case sensitivity is good but requiring upper case for hex is annoying. I suppose this is forth standard. That is one thing that I find annoying about forth, that most builtin words are upper case. It reveals the age of (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Bug in HEX handling?
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(...) If you use U. (unsigned dot) you will get FFFF. The "." is for signed numbers. (...) Yes it is, but pbForth is case sensitive. Cheers, Ralph Hempel - P.Eng ---...--- Check out pbFORTH for LEGO Mindstorms at: (URL) ---...--- Reply to: rhempel (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Bug in HEX handling?
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HEX is not working the way I think it should in 1.1.1. Is this wrong or do I not understand something. This is 1.1.1 pbmax.srec. ok DECIMAL ok 65536 DUP . -1 ok HEX . -1 Why isn't this ffff? ok 300b 300b ? undefined word Isn't 300b a legal hex (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: random
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What version are you using? I believe random/srandom are broken in all non-CVS versions of legOS. To get the CVS version, head to (URL) and follow the instructions on that page. Should work fine- I just tested the new random() two hours ago and it (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: NCQ and LegOS
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(...) LegOS, yes. NQC, not as you'd probably like -- although you do get access to 32 register variables, and of course you can use the datalog. (...) With LegOS yes. With NQC and the original firmware, no. With the upcoming release of the new (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx)
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| | random
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Hi! Back again with more problems. I want to use random() in my programs and looking in stdlib.h it looks like it is implemented. It says: extern long int random(void); extern void srandom(unsigned int seed); When I didn't have stdlib.h included, I (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: NQC and rcx2
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All the things I've tried work fine. The only thing I find confusing is the events and control of global objects. Could you try to explain how to set-up and use these features? James Dave Baum <dbaum@spambgoneenteract.com> wrote in message (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.nqc)
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| | NCQ and LegOS
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I am a newcomer to the mindstorms world, and I have not progressed from programming in the programming environment supplied with the product. Before I start to think about NQC and LegOS, I would like to know a bit more about the added advantages. Do (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx)
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| | RE: DJGPP/DOS legOS Howto
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Long term, though, I'd like to put everything (or at least links to everything) in one place on sourceforge- it'll make it much easier for newbies. Of course, I suppose the HOWTO has to be the first step to that :( Luis (...) ---...--- "Going to (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Robocup with Mindstorm/ legOS
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(...) I recently held a Mindstorms competition and determined that battling robots was too difficult a task for the novice Mindstormer. I ended up doing a maze navigation competition. You can check out the results as well as rules format here: (URL) (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | FW: pbForth Feedback
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-----Original Message----- From: ian@dolphin.pst.cfmu...control.be [mailto:ian@dolphin....ontrol.be] On Behalf Of Ian Wild Sent: Monday, May 22, 2000 3:18 AM To: Ralph Hempel Subject: Re: pbForth Feedback (...) Indeed it did not. I've patched four (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: DJGPP/DOS legOS Howto
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Sweet. Sorry about not figuring out the upload permission sooner. I'll try to figure things out tonight... Luis (...) ---...--- "Going to California with an aching in my heart. Someone told me there's a girl out there with love in her eyes and (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Finally able to add asm forth words (long)
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(...) Yep. But if I have two choices I will always steal from working code over documentation. I will always write code in C first and see what assembler the compiler creates, especialy on a new machine. Trust what already works. -- (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | DJGPP/DOS legOS Howto
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I've posted the howto for using the DJGPP port of GNU tools on a Windows system. It can be found here: (URL) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Taking the plunge
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OK I'm about to nervously take the plunge. My code assembles and I'm about to push it off the cliff and see if it flies. If any one feels bored please feel free to review the following and make comments. Finding bugs by inspection is always easier. (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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