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 | | Re: AS11
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| (...) DW - Define word (intel assembler) FDB - Form Double Byte Constant (motorola assembler) Example: (in HC11 memory order) ORG $100 DW $1234 DW $5678 Memory dump start at address $100, you will find: Address Data $0100 $12 $0101 $34 $0102 $56 (...) (28 years ago, 31-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.055)
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| | Re: IR Collision avoidance
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| (...) Those are the IR LED's - the one's that transmit the IR light that the receiver sees. Also, while I'm at it, I found out that the diagram above isn't completely accurate (I drew it from memory). The circuit I really use is like this: (...) (28 years ago, 28-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.055)
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| | Memory problems
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| I have been having big problems with the programs that I have been writing for my handy board. I currently have around 1400 lines. I expect to have about 2000 when I'm done. I have many functions called throughout the program and recently have (...) (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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memory
(score: 1.054)
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| | Out of memory error
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| (...) At some point, you may run out of memory on the Handyboard; however, it sounds like IC 2.8 is running out of the 640K DOS-limited memory. You might try removing drivers to get more room in the lower 640K. If you move up to IC 3.1, which is a (...) (27 years ago, 26-May-97, to lugnet.robotics.handyboard)
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memory
(score: 1.054)
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| | Re: Handy Board and 6 legged bots.
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| Greetings, The serial port could be used after downloading the program code into memory for other purposes (such as controlling the mini-ssc board). However, I have not found any reference to RS-232C port IC commands, so one would have to build (...) (28 years ago, 13-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.054)
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| | RE: Ascii to integer...
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| When I make programs with IC manipulating chars or char arrays, I have used pointers and after I get the memory addresses as reference. In your case you can get the address of the char with & and the content with peek and after subtract till the (...) (28 years ago, 16-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.053)
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| | Re: RMB
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| In a message dated 97-03-17 19:17:14 EST, mar@cooper.edu (MAR ERICSON) writes: << Does anyone know what RMB means in Assembler? >> I think it means "reserve memory byte" Jim Eaton (28 years ago, 18-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.053)
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| | Re: Handyboard Serial Communications
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| After parsing the Handyboard mail archive, it sounds like what I need is the SPI port. Unless someone has other advice, I'll research this path. At this point, my overall plans are to construct my 'Bot as follows: 1. Use the Handyboard for motor (...) (28 years ago, 14-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.053)
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| | Re: your mail
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| What is it that you want to accomplish by doing this? Drive your motors? According to the CPU and Memory diagram, the LCD control lines come directly from the HC11 microprocessor. The voltage is generally about 5 or so, but the lines cannot output (...) (28 years ago, 23-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.053)
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| | Broken DS1233-10?
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| Hello! I've started work on my Handy Board again, after a brief wait for the memory to arrive, and as soon as I plugged in the boad, I had a problem. I first noticed when I tried to put the board into bootstrap mode, as detailed at the end of (...) (28 years ago, 26-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.053)
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| | battery life
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| (1) the memory should last about a month if the board is turned off, as several have noted. (2) please be aware that the serial interface will *DRAIN POWER FROM THE HB* if the interface itself is not plugged into power. thus do not expect anywhere (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.052)
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| | Re: Somewhat C challenged.
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| Victor, The peek(0x1000) statement returns the byte at memory location 1000 (hex). In C, the '&' operator is a bitwise AND. So, what you are doing is ANDing 4 and the contents of 0x1000. What's really going on is you are interested in only bit 3 (...) (27 years ago, 10-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.052)
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| | power supply
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| Anyone? I'm wondering if a 9V Alkaline battery could replace the battery pack in the HB. I'm merely going to use the 9V battery to power the HB and its memory. I'm not going to use any of the 5V-line supplied by the HB. In other words, all the (...) (28 years ago, 3-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.051)
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| | HB Design Question--??
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| +---...---+ | NOTICE! I'm posting from a host that is not always available. If your | | email to me bounces or you want to be sure, use 'brat@naxs.com'. THNKS | +---...---+ Fred (or anybody)- I'm doing some last minute sanity-checking on a project (...) (28 years ago, 3-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.051)
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| | Re: serial connection
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| (...) and then Chuck McManis wrote: (...) Not necessarily. There could be a problem with the memory circuit that is preventing pcode_hb.s19 from loading properly. Tunde, use a multimeter to check all of the connections in the memory circuit (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.051)
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| | Re: Wire wrapping sockets
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| (...) Check out www.cgntech.com, these guys have wire wrap sockets for the 68HC11. But they also have something _much_ cooler. They have a small board which consists of a 68HC11, RS-232 circuit, address latch, and buffer logic, with wire wrap pins (...) (28 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.051)
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| | Re: Mini SSC - Scott Edwards
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| (...) Stop the presses! You should have gotten documentation with the SSC but since you are apparently missing it (and its small anyway) the relevant information is that the Mini-SSC uses a serial interface to control its servos. You must send down (...) (28 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.051)
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memory
(score: 1.050)
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| | Looking for a good microcontroller.....
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| Hi, This question doesn't really belong to this mailing list, but since some of you know quite a lot about microcontrollers I thought maybe someone could help me. I'm working on a project about A Management System for an Optical network. Therefore (...) (27 years ago, 10-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.050)
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| | Re: Battery life
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| rabbit> 3600 since there are that many seconds in an hour. I myself rabbit> have left the handyboard off for periods of 4weeks or more rabbit> and still have had my memory. I just rattled the above off rabbit> the top of my head so, anyone, please (...) (27 years ago, 16-Apr-97, to lugnet.robotics.handyboard)
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memory
(score: 1.050)
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