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 | | Re: 16 digital outputs as Fred suggested
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| 1. please read the Appendix B documentation in (URL) explains this in more detail than the FAQ. 2. you must the even-numbered Yx signals for output latches. Since Y6 is taken (by the on-board latch for the motor drivers), you're left with Y0, Y2, (...) (26 years ago, 13-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.012)
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| | How work the downloader?
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| I'm still problems with two boards. I'm still can download code , but never "boot". That code work in all others board.I can't make run off course, IC. My answer is : The downloader check every byte it download to the board from the memory??? Or (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.012)
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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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memory
(score: 1.011)
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| | is IC compatible with the MC68HC11F1
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| hi from France, I already have a handy-board running with a 11A1 chip and I plan to adapt the circuit for a 11F1 chip, with the same memory map. Does someone have any experience about running IC with this chip? Will it work with the pcode_hb.s19 (...) (26 years ago, 21-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.011)
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| | loading files with IC
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| Howdy from the world of program failure... please consider this scenario: 1. let's say I write a series of functions, put them in a file, and download the file to my HB. Now I write a program that uses the previously downloaded functions, and (...) (26 years ago, 20-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.011)
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| | Micromouse speed
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| Hi, does anyone know how fast should a micromouse move? and the other question is, will the 6811/handyboard have enough capability (address space) for maze solving? If not, what should I need? extra memory or 32bits processor? Thank you for any (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Re: LCD Addressing - & - Expanded Mode
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| So, this still doesn't help me figure out how to address the LCD. It has A8 and A9 connected along with a CLK from Port A. Does this mean that the LCD is NOT memory mapped? Do I first have to write to Port B then write to Port A, to clock it. This (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | IC communication problem
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| Hello, Lately I am having problems communicating with the handyboard after it is reset. I can download the pcode_hb.s19 file using hbdl.exe downloader. When the Handyboard is reset by toggling the power switch, the following is observed. 1st symptom (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Re: Testing with PCBUG11 - Getting Close
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| My problem turned out to be with Win 95. If I boot to DOS the PCBUG11 program works fine. It fails to work when working from a DOS window. I can now communicate with the MCU so my RS232 must be fine. When working from the command line in PCBUG, I (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Re: LCD Addressing - & - Expanded Mode
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| From the driver code I recently sent out: * LCD Connections on the Handyboard * PORTB bit 0 - R/W * PORTB bit 1 - RS (Register Select, 0 = instruction) * PORTC 8 bits of Data * PORTA bit 4 - E clock (...) That is correct, the LCD is NOT memory (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | New for 98, Finger Board II - Redesigned
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| New features on Finger Board II: Improved layout and better parts spacing. No extraction tool required for processor removal. Improved silkscreen. Jumper selectable reset address. Reset vector can be located at 0xFFFE,0xFFFF or 0xBFFE,0xBFFF. Now (...) (26 years ago, 5-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Working with a different compiler 2
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| Howdy All, I am in a happy mood today. I finally got to the 'hello world' stage. All I had to do was count the number of interrupts, * 2 (16 bit addresses), subtract this from BFFF which is the reset vector and thus supply BFD6 to my linker to start (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Hardware Questions
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| Recently, many of you have had pretty specific hardware-related questions. The best thing to do is to read Appendix B of the MIT 6.270 Robot Builder's Guide (Appendix A of the new 1998 Course Notes). This appendix contains a complete description of (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | Re: Motor Drivers in 7000 - 7fff
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| Jaron, (...) This was done (obviously) to save extra decoding circuitry needed on the board. That is, if the handy board needed to assign (say) 7000 as the motor then sixteen address lines need to be decoded (binary 0111 000 000 000). Yet with the (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.010)
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| | "Undocumented I-C"
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| Well I finally worked out something that I knew was there, but did not know how to access: The PCODE.ASM file lists a pcode routine called "Pbench". The code is in there, and it measures the time available to the IC current task, excluding time (...) (26 years ago, 8-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.009)
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| | Re: RC Servo motor internal electronics
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| Ideally, I could use an H-bridge on the same board as the "new" electronics and provide expanded feedback such as current sensing or encoder in addition to the normal servo interface. It would also be nice to allow PWM to control the power presented (...) (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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memory
(score: 1.008)
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| | Memory usage
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| I don't have a handy board but am considering getting one. I like what I have seen so far! I have searched the FAQ and the mail list archives but can't find the answer to my question. How much of the 32k does Interactive C take up? OR MORE TO THE (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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memory
(score: 1.008)
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| | Re: Remote Controller Needed
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| Thanks, you jogged my memory. I remember that one. I'll take my HB in and check it out. Thanks To: ipscone@halcyon.com Copies to: handyboard@media.mit.edu Subject: Re: Remote Controller Needed Date sent: Mon, 15 Jun 1998 11:08:57 -0400 From: "Fred (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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memory
(score: 1.008)
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spybotics
(score: 1.007)
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| | Re: Memory usage
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| This question how has an answer in the FAQ. Please see: (URL) is the answer now on the FAQ page. Fred How much of the Handy Board's 32K memory is available for user programs running under Interactive C? Here is an approximate breakdown of how (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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memory
(score: 1.006)
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