 | | Re: Tone Functions
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yep, 5 kHz is about the top end of the HB's 6811 capability. going higher would require dedicating the 'hc11 to generating the tone and doing nothing else. why? interrupt routine overhead. takes a bunch of cycles to handle an interrupt. the tone (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard Reset Vector
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independent of IC, the HB fetches its reset vector at $bffe-$bfff. please see the FAQ about this: (URL) you, fred In your message you said: (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Tone Functions
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I have a problem with the tone functions. I tried each of the following: 1000 - 9000 Hz tones for 2 to 3 seconds. All work fine up to 5000 but 6000 and above have broken up sound. Can anyone explain why this happens? What is the fix? -- ---...--- (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | HB Memory
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When pcode is downloaded to the Handy Board, how much memory space does it take up? I am a little concerned about having enough memory space for my programs. As I see it now, I think I may max out the 32KB. Does anyone have tips on how to concerve (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | HandyBoard Reset Vector
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Hello again, I hope someone can help me out here. I want to run a standard assembly program on my HandyBoard without using IC. IC requires CONFIG=0x0C, which allows the reset vector to be fetched from external memory, instead of from $FFFE, $FFFF. (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | the Expansion Board 3.0 beta program
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Dear all, The design for the Handy Board Expansion Board is done, and I am now sponsoring a limited beta-test program. I know that many of you have been waiting a long time for the board, and I will be asking most of you to wait a little longer as (...) (26 years ago, 14-Jun-98, to lugnet.robotics.handyboard)
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| | config 0x0C
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Hi there, I have used a 68HC11E1 with my HB for quite a while now and it works fine with it. Now I replaced it with a 68HC11A1FN and it wouldn't let me download the .s19 file with HBDL anymore. It stops when downloading the program and says: Invalid (...) (26 years ago, 12-Jun-98, to lugnet.robotics.handyboard)
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| | *** pyroelectric sensors ***
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Hi I want ti make a robot follow people around, How many pyroelectric sensors do I need on the robot? I would think TWO one on either side in front? Someone told me only one is needed? can anyone shed some light on this subject? Thanks -MIKE (26 years ago, 12-Jun-98, to lugnet.robotics.handyboard)
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| | pcbug11 crashes
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Hello, I can't seem to get pcbug11 to run from Windows 95 (full screen dos-mode). I've downloaded every possible version and I always get: "runtime error 200 at 20FF:0091" when running pcbug11.exe. Has anyone encountered this before? Thanks in (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Multi-tasking under IC (Freeware version)
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(...) Yup, that's the way! Good thinking. Fred (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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