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firmware
(score: 1.568)
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 | | Re: Comment file?
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| (...) If you don't want to duplicate effort, do not wade through the firmware. It has been done already, but there is no comment file. Instead, I documented the firmware with pseudocode. See: (URL) are not complete on the pages, so feel free to ask (...) (26 years ago, 6-Nov-98, to lugnet.robotics)
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firmware
(score: 1.568)
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| | Re: legOS
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| (...) Firmware isn't software??? Go way back when and see what happend to bring about the IBM PC clone. The BIOS reverse engineering and why MACs haven't been cloned. Firmware *is* software, placed in a chip instead of 'normal' media (26 years ago, 26-Nov-98, to lugnet.robotics)
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firmware
(score: 1.567)
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firmware
(score: 1.567)
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| | Re: legOS
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| (...) You're drifting from the point. Why IBM PCs have been cloned and why MACs have not been has nothing to do with license agreements. Copyrights are copyrights. I cannot, will not, and have not copied the firmware in any way that I do not (...) (26 years ago, 27-Nov-98, to lugnet.robotics)
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firmware
(score: 1.567)
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| | Re: list/group merge (was RE: Newbie Question.. FAQ?
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| (...) My only concern is that there is not enough traffic to warrant a split. Reverse engineering will die down after a few more months - the firmware is 95% finished as far as I'm concerned, with only the ROM and new firmware really remaining - (...) (26 years ago, 5-Nov-98, to lugnet.robotics)
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firmware
(score: 1.567)
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| | RE: legOS
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| Firmware is software. It doesn't matter if you burn software into ROM, store it on EPROM, store it as PAL settings, core memory values, etc. Software is software, and firmware is software. (26 years ago, 30-Nov-98, to lugnet.robotics)
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firmware
(score: 1.567)
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| | Re: legOS
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| (...) And I should add, as Brian pointed out, that the question is not whether firmware is software, it's whether firmware is Software. As I said when I started all of this, read your license agreement again, and tell me whether or not it's obvious (...) (26 years ago, 30-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Welcome newbees
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| There are many web pages offering useful info on lego-robotics, but to my knowledge there are currently two web pages specifically set up as convenient entry points if you're new to lego-robotics. Legorobotics page This page gives an overview of (...) (26 years ago, 2-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Re: Perl-based H300 disassembler
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| ---...--- (...) It looks like there is a problem with the 7D opcodes in my diassembly of the firmware from this disassembler. The disassembly of the Firm0309.lgo firmware file only has a few locations where the 7D opcode is used, and they all decode (...) (26 years ago, 18-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Re: Ultrasonic Radar
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| (...) Polaroid manufactures the 6500 series ultrasonic ranging system that can be purchased in single quantities for less than $50 US, but it can't be directly connected to the RCX. (See (URL) for ordering. See ftp://wirz.com/Polar...r/6500.PDF for (...) (26 years ago, 11-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Re: more ROM info
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| (...) I passed over the 828c handler last night, and did a first pass over 14c0 in the process. The struct is really like this: struct { byte type; // sensor type, same as for set sensor type opcode byte mode; // sensor mode, same as for set sensor (...) (26 years ago, 5-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Re: legOS
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| Guys, Everyone seems to be missing one point: The RCX does have ROM code (this is what loads the firmware the first time, right?). If you were to "jam up" the firmware, you could just simply remove the batteries, let the firmware (which must be in (...) (26 years ago, 25-Nov-98, to lugnet.robotics)
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firmware
(score: 1.566)
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| | Using NQCC, Linux and 8482 CyberMaster
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| I've finally gotten around to testing the CM unit with NQC and Linux. Dave Baum's NQC is at (URL) you'll need Peter Ljungstrand's downloader for NQC to use the CM unit (URL) the compiled files gives me the error messages [fredrigl@biopc45 nqc]$ (...) (26 years ago, 6-Nov-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | Hacking the firmware
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| I'm looking for a firmware hack that would place the battery level in one of the variables so that the standard RCX code ( Spirit ) could access this internally. I'd like to make my robot beep when it runs low on batteries. Eventually I'd like to (...) (26 years ago, 31-Dec-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | RE: Help with my IR tower
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| Jeff -- I've hit the same issue with my tower. It starts off working fine, but after around 5 or so minutes, it stops responding (and the old 'IR Transmitter needs batteries or is in direct sunlight' message comes up). I spent a couple of hours (...) (26 years ago, 10-Nov-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | Fwd: Re: legOS
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| Here are some official defintions: MICROCODE: A sequence of microinstructions that is fixed in storage that is not program-addressable, and that performs specific processing functions. 1) The lowest-level instructions that directly control a (...) (26 years ago, 1-Dec-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | Main ROM routine
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| I have finally found the time to decode the obvious ROM routine, the OCIA handler, which is triggered by the timer every 1/1000 second. See (URL) search for the second occurance of: 36ba - OCIA handler Also be sure to see the lists of data values (...) (26 years ago, 11-Nov-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | Re: Main ROM routine
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| (...) This bit was me, for the record: (...) Not that strange - when I worked on embedded systems, we often did this. When you get down to it, from the electronics point of view, the difference between I/O and memory is typically just 1 signal line (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
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firmware
(score: 1.565)
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| | Re: What about multiplexing sensors?
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| (...) Sure, if you want to give up all three output ports -- which most people don't want to do. A no output RCX seems to have a pretty limited set of applications to me. At least with two output ports you can drive and steer a robot. I was using (...) (26 years ago, 11-Nov-98, to lugnet.robotics)
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firmware
(score: 1.564)
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