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 | | Re: Downloading
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| OK, attempting to answer this one now. it is sounding to me like you have a problem with the serial on your 6500, not a problem with the handy board. try this. download Zterm (a terminal emulator) from: (URL) to the printer port (get the option by (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.898)
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fred
(score: 0.898)
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fred
(score: 0.898)
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| | Re: Handyboard and iMac
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| way back randy did have it running on NeXT, before NeXTSTEP. the unix sources are pretty clean; probably the only tricky part would be the serial line access. fred In your message you said: (...) B/Serial adapter? (...) s, so I was unable to find or (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.898)
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| | Re: Mac DL problems
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| ok, i think you've established that the hardware is working properly. the fact that you can get IC to boot and talk to the board is strong proof of that. the zterm test demonstrates that the mac can send chars out; the IC example proves (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.898)
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| | 6811 Downloader MCL, version 1.1
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| hi cappy & others (sorry non-mac people), i've put up a revision of the Mac 6811 Downloader MCL. this version checks that everything's copacetic before dumping the .s19 file into external RAM. in other words, it checks that the desktop is properly (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.898)
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fred
(score: 0.898)
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fred
(score: 0.897)
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| | Re: Expansion Board Files
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| argh! i'm sorry for this being so painful. doug (and anyone else who downloaded before 11:27 am today), please redownload and let me know if it's finally fixed. thank you, fred In your message you said: (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | Re: HB Memory...
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| This is what Fred Martin wrote in a earlier message to this mail list. This is the approximate breakdown of the HB memory space. User program object code + user global variables: 16320 bytes available Runtime pcode OS: 7936 bytes Used stack space (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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fred
(score: 0.897)
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| | Re: Please help!!!!!!!
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| yes, the only change is that R11 moved (and should be 5 watts now). sorry i haven't updated things, but that's really all that's different. fred In your message you said: (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | Re: R4 Resistor
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| where is this list that says 2.94K? please tell me so i can eradicate the incorrect value. to answer, yes, just use it, it affects the IR xmit frequency and nothing else. fred In your message you said: (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | Re: HB failure
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| the buzzing indicates that the LCD isn't connected right (or is dead, as you are guessing). first, please be sure that all 14 pins of the LCD are inserted properly into the LCD connector. then (if still probs), try downloading Kent Farnsworth's (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | Re: stack pointer
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| it's probably a comms problem. make sure to use full screen dos window. maybe other windows people can suggest tweaks they've used to get their machines talking to ethe board reliably? fred In your message you said: (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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fred
(score: 0.897)
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| | Re: Will the SN754410 support...
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| if the worst-case current is 1.5A, you're probably OK -- the SN754410's have thermal protection for over-current conditions. they're rated for an amp continuous, so you're not too far out of bounds. one cause for concern is if the 1.5A measure is (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | Re: what variety of 6811 can be used?
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| (...) why does the 512 bytes matter? the HB has 32K of external ram. i guess if you're planning to do rom-able code development then i understand. there's very little difference between the e and a series. the port A counter/timer pins are slightly (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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| | HB bootstrap problem when U6 installed
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| i am guessing that some of the inputs to u6 are defective, causing it to assert its outputs when it shouldn't. this could turn on the '244 input latch, driving the bus when it should not. please check that pins 1 through 6 signals are oscillating (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.897)
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fred
(score: 0.897)
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