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memory
(score: 1.063)
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 | | Re: memory not remembering...
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| Ben -- the pin 27 R/W line of the RAM should be connected directly to the R/W line of the 6811. I don't remember the pin # off hand -- it's 7 i think -- but just check the schematic. check the continuity first on the board. if that's ok, then check (...) (28 years ago, 26-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.063)
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| | Re: JAVA and the handyboard
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| (...) I believe the predecessor to Java (known as "Oak") may have been designed for embedded systems. But last time I looked, a Java Virtual Machine took 8 MB of memory, which won't exactly fit into the HC11 address space :-) Really, if you want a (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.062)
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| | chip selects:
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| Perhaps I have just overlooked this in the documentation for the HB and IC. Is there an easy way to control the chip selects Y*? Are they memory mapped or harder to get to than that? Thanks for the info: patrick (28 years ago, 21-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.062)
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| | (senior design)
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| My design team and I just recieved our Handy-Board. We plan on building an autonomous mobile robot that will run a search program and (hopefully) locate a 4" x 4" wooden(passive) block. The domain that it will search in is approx. 15' x 15'. We plan (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.062)
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| | Re: RMB
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| (...) RMB (Reserve Memory Bytes) RMB directive advances the location counter by the value of the expression in the operand field, effectively reserving a block of memory. The block of memory reserved is not initialized. Example: Location Counter (...) (28 years ago, 18-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.062)
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| | Assembling the HandyBoard
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| Hello all: We got the handyboard assembly kit from Digital Micro Systems. We are putting it together now. Everything has gone well. Thanks, the instructions are really good. A couple of things have not worked quite right: 1. Couldn't find the 2.2M (...) (28 years ago, 25-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.061)
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| | Re: sending signals over power lines
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| (...) There are a bunch of proposals along these lines (eia standards, and future standards) CeBus, LonWorks. X-10 is most prevelant, somewhat limited, and some of the stuff sold is of marginal quality, although some is really good. X-10 is what you (...) (28 years ago, 27-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.061)
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| | Re: MEMORY FAULT
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| This problem is answered in the Handy Board FAQ. You are loading the wrong s19 file. -Fred -- This message was composed using Articulate Systems' PowerSecretary, a Macintosh-based speech-to-text dictation system. Please forgive any sloppiness in the (...) (28 years ago, 16-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | Re: pcode downloading
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| Here is the relevant part of the test instructions: Finally, the MAX232's ability to transmit data to the host computer is tested. Again using pin 7 of J9 as a ground reference, measure the voltage at pin 3 of J9. This is the MAX232's serial output. (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | Re: Downloading problems
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| The memory circuit is probably flaky, or, you zapped a 6811 address line output. If you haven't already tried, swap the 6811 with a known good one. If that doesn't work, examine the ram chip addr, data bus, and select signals with a logic probe when (...) (28 years ago, 5-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | NiMH batteries
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| Has anyone tried to use NiMH batteries with the HB? Are they good enough for motors? Do they have the "memory effect" like NiCd's? (28 years ago, 12-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | HB Downloader Trouble
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| I finally got all my parts to finish my HB. I am working at the bottom of page 31 in the Assembling the Handy Board download dated April 1996. I am having great difficulty downloading my board. Here are the messages I am getting when I attempt to (...) (28 years ago, 10-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | I think I fried my board!!
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| I need help figuring out what I did to my handyboard. I had it all assembled, tested, and working when one of the battery leads touched one of the solder spots on the board. A small puff of smoke rose from the board but I was able to disconnect the (...) (28 years ago, 7-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.060)
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| | Re: Pins Y0-Y5 addresses
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| Info on how to use these pins is explained in the Appendix B of the 6.270 manual. The HB and the 6.270 have the same memory/digital I-O circuitry. Look in the Tech Docs link off the main page. -Fred In your message you said: (...) (28 years ago, 15-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.059)
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| | Re: HB Downloader Trouble
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| (...) I too have this problem. I originally thought it was the RS232 converted, but I have since replaced this part and still get the downloading error (using HBDL and DLM). I can't find any physical defects with the board (solder bridges, cold (...) (28 years ago, 13-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.059)
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| | Re: impossibile programmare il set 8482 ????
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| Personalmente non ho mai avuto problemi ad usare il software originale cybermaster su win XP pro sp1. Fino a qualche giorno fa funzionava egregiamente sul vecchio PC che avevo nella creation room. Ora sul "nuovo" (un AMD Duron@800Mhz) non ho ancora (...) (17 years ago, 3-Mar-08, to lugnet.org.it.itlug)
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spybotics
(score: 1.059)
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| | Re: empty addresses
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| (...) Why do you want to store it at a particular address? Can't you store it into a variable name and let IC take care of where it goes? I think the 16K memory when allocated builds from $0000 and $7FFF towards the middle, so I'd guess any unused (...) (28 years ago, 10-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.057)
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| | Re: as11_ic
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| There are two fundamentally different ways to go about writing assembly language programs for the Handy Board: 1. Write them as callable functions for the Interactive C environment, using the as11_ic program. 2. Scrap Interactive C entirely, and (...) (28 years ago, 12-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.056)
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| | Re[2]: as11_ic
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| Hello, Am I the only one who is still lost with this stuff? Help! I see the Mac ports of the as11 assembler on the web site; why can't the DOS version be put there? I have been unable to find the assembler on Motorola's web site despite several (...) (28 years ago, 13-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.056)
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