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 | | King of the hill
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| Howdy, I'm looking for fellow Mindstormers in the Houston, Texas area for sparing. Basicaly, I want to try a "king of the hill" type of competition. White circular field, black border (say black electrical tape), last robot inside the field wins. (...) (26 years ago, 28-Mar-99, to lugnet.robotics.events)
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firmware
(score: 1.542)
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| | King of the Hill
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| Howdy, I'm looking for fellow Mindstormers in the Houston, Texas area for sparing. Basicaly, I want to try a "king of the hill" type of competition. White circular field, black border (say black electrical tape), last robot inside the field wins. (...) (26 years ago, 28-Mar-99, to lugnet.loc.us.tx.hou)
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firmware
(score: 1.542)
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| | Re: Downloading Firmware to RCX
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| In article <F4wwLv.DwC@lugnet.com>, Kekoa Proudfoot <lugnet.robotics@lugnet.com> writes (...) way (...) of (...) [snip excellent description] At long last I have done it! While recovering from an illness I have managed to get it going - thanks for (...) (25 years ago, 14-Apr-99, to lugnet.robotics)
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firmware
(score: 1.542)
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| | Ir transmission
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| Hi, is there any way to send IR messages using pbForth. This is in order to use the IR proximity detector commonly used with nqc programs. Also I think that with alternative firmware such as pbForth and nqc, it should be possible to do it without (...) (26 years ago, 29-Mar-99, to lugnet.robotics.rcx.pbforth)
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firmware
(score: 1.542)
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| | Re: FORTH editor/IDE
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| (...) Yes, I forgot to turn it off after first downloading the firmware, and getting called away to do something else. Luckily they were rechargeables... (...) Thanks, I'll try it. I will be spending more time with FORTH over the next few weeks, (...) (26 years ago, 4-Apr-99, to lugnet.robotics.rcx.pbforth)
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firmware
(score: 1.542)
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| | Re: new products
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| (...) Maybe we can communicate with RCX via Morse code? :-) There are also five buttons to let you start any of the five stored programs. With the non-lego firmware, maybe we can use these five buttons for additional messages. Right now, for me the (...) (26 years ago, 31-Mar-99, to lugnet.robotics)
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firmware
(score: 1.542)
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| | New firmware volunteer
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| I'm following with great interest the discussion about a new firmware for the RCX. When the discussion started, I expressed some opinions about staying as much compatible as possible with the official firmware. Now, after a second thought, I realize (...) (25 years ago, 8-May-99, to lugnet.robotics.rcx)
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firmware
(score: 1.542)
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| | Re: RIS memory usage
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| (...) The RCX has a 64k address space. Here is how it is split up: Addr Len Usage 0000 4000 On-chip ROM 4000 4000 Reserved (for on-chip ROM of other chip models) 8000 7b80 External RAM fb80 0200 Reserved (for on-chip RAM of other chip models) fd80 (...) (26 years ago, 8-Apr-99, to lugnet.robotics)
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firmware
(score: 1.541)
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| | Re: Temperature sensor limits?
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| (...) As far as I can tell, the limits of reading the temp sensor (using the RCX firmware) are from about -20C to +70C. Anything outside of that range will not get interpreted by the RCX firmware. If you're thinking about reading it in some custom (...) (25 years ago, 17-Apr-99, to lugnet.robotics)
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firmware
(score: 1.540)
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| | loading s/w
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| After successfully downloading and running tm-and-ir.srec (Linux host), I cannot download to it any longer. Upon power up, the LCD displays LEGO!5 and I can select any other program slots. I could just re-load firmware in '95 but I don't want to (...) (26 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
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firmware
(score: 1.540)
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| | Re: New RIK-user hints, bumpers, many topics
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| (...) I don't much like C, but I used NQC as a means to an end because it uses the standard firmware. If I am going to have to go to the trouble of downloading new firmware then I'll go with FORTH (not just because I have a Jupiter Ace in the loft). (25 years ago, 16-Apr-99, to lugnet.robotics)
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firmware
(score: 1.540)
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| | Re: Some comments (long)
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| (...) I've mislead you. The ROM does not support native threads. The firmware simulates cooperative threads. The firmware selects one of six functions to run based on priority and whether or not a run flag has been set for that function. The run (...) (25 years ago, 6-May-99, to lugnet.robotics)
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firmware
(score: 1.540)
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| | Re: Something else is needed, I think...
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| (...) I think new firmware is a good way to go. I would vote for a completely new byte code, perhaps similar in spirit to the original, but designed fresh from the ground up. There is no source for the current firmware, although there is pseudocode (...) (25 years ago, 3-May-99, to lugnet.robotics)
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firmware
(score: 1.540)
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| | wall-follower using Dennis Clark's IRPD
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| Earlier this year I tried building a wall-follower using RCX's built-in IR port as the proximity detector. However I could not get consistent readings from the light sensor to make it work. I thought it was because the SendMessage trick did not turn (...) (25 years ago, 12-Apr-99, to lugnet.robotics)
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firmware
(score: 1.539)
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| | Re: Reading sensors at equal intervals.
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| (...) By standard firmware, I assume you mean using the byte codes ala NQC or something similar. If you only want semi-precise timing, you can use the wait opcode to delay for approximately 100 ms between sensor samples. If you want something more (...) (25 years ago, 25-Apr-99, to lugnet.robotics)
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firmware
(score: 1.539)
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| | Re: New RIK-user hints, bumpers, many topics
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| (...) Credit for this should really go to Mark R. David (markdavid@mediaone.net), I just ported it to NQC. I am currently trying to get the algorithm to work in pbFORTH, as I want to get away from the standard RCX firmware constraints (32 global (...) (25 years ago, 15-Apr-99, to lugnet.robotics)
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firmware
(score: 1.539)
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| | Reading sensors at equal intervals.
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| Is it possible (with the standard firmware) to read the RCX sensors (actually, ideally, to run any old subroutine) at equal intervals, ie like every 100ms or something? (I assume it must be, otherwise you couldn't measure speed with the angle (...) (25 years ago, 24-Apr-99, to lugnet.robotics)
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firmware
(score: 1.539)
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| | Re: Reading sensors at equal intervals.
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| (...) You are right, the timer values as seen by the firmware are in 1/10ths of a second. I lost myself in H8-land, which has a 1 ms timer that gets divided down before being seen by the firmware. -Kekoa (25 years ago, 25-Apr-99, to lugnet.robotics)
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firmware
(score: 1.539)
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| | Re: Rotation sensor bug found
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| (...) I suppose we could ask for help also to non-legos owners of RCX and rotation sensors. What if any of us posts a message in the robotics newsgroup asking for some reads of rotation sensors? Raw values can be read with the sandard firmware too (...) (25 years ago, 20-Apr-99, to lugnet.robotics.rcx.legos)
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firmware
(score: 1.538)
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| | Re: Rotation sensor bug found
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| (...) Why doesn't somebody finish up the decoding of the ROM, specifically the routine at 14c0. This routine takes the raw sensor samples and converts them to usable values, including handling the temperature and rotation sensors. The standard (...) (25 years ago, 20-Apr-99, to lugnet.robotics.rcx.legos)
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firmware
(score: 1.538)
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