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8086 - 8051

does anyone know if the source code for the 8086/88 is compatible with the 8051 ?

and... would anyone know where to find some basic schematics of 8086 circuits ?

thanks
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Comments

  • WEBMASTERWEBMASTER Posts: 549Member
    I don't think they are compatible.

    [blue][italic][b]/WEBMASTER[/b][/italic][/blue]

  • int_21hint_21h Posts: 47Member
    : I don't think they are compatible.
    :
    : [blue][italic][b]/WEBMASTER[/b][/italic][/blue]
    :
    :

    ya, after reading about the '52 '52 , i realize that there is no way the code would be compatible ...thanks anyway...

    p.s. --- anyone looking for a good site goto www.8052.com

  • melissa_may1melissa_may1 Posts: 937Member
    Hi!

    You now know the 8x51 is not compatible with 8086.

    I've just started playing around with 8052 after taking a break from it for 4 years.

    What are you working on?




    [purple]Melissa[/purple]

  • int_21hint_21h Posts: 47Member
    : What are you working on?
    :
    :
    : [purple]Melissa[/purple]
    :
    Yes, after some logical thinking (and some research) i realized that the 8051 and 8086 are 2 different worlds,thanks though...

    i just want to build a working embedded system, and move on to specific projects i have in mind, from there,...which brings another question i had

    where can i buy intel 8086 chips? its the only chip i have actuall coding experience with and wanted to stick with it for a while before moving to 68HCll/8051/AVR or something in that area,..


    thanks !!
  • melissa_may1melissa_may1 Posts: 937Member

    : where can i buy intel 8086 chips? its the only chip i have actuall coding experience with and wanted to stick with it for a while before moving to 68HCll/8051/AVR or something in that area,..

    Hi!

    DigiKey.com lists a bunch of 80186 and a 486DX4. I've not seen 8086 chips in a while.

    http://www.partsonsale.com/microprocessors.html has 8080s. Also, you might consider Z80s, since they are widely available.

    Depending on what you're doing, you might still want to take a look at 8051 family of chips. They have timers, serial ports, built-in oscilator, hardware interrupts, and many features that make them ideal for microcontoller projects. If you know 8080 Assembly language, the transition to 8051 should not be hard.

    As I've said, I'm playing around with the 8052, and it's really not difficult. It's actually kiond of nice that there are so many resources - compilers, assemblers, etc. - available for free, as well as many support sites.

    Have fun!




    [purple]Melissa[/purple]

  • ankurpatelankurpatel Posts: 1Member
    : I don't think they are compatible.
    :
    : [blue][italic][b]/WEBMASTER[/b][/italic][/blue]
    :
    : hello I done get your message so please mail me

  • alan_pollockalan_pollock Posts: 110Member
    Your post is old, but it just now caught my eye... hope I can help. There is a store, or at least there used to be (lol) called "The Electronics Barn" in Bloomfield, New Jersey USA... they sold used 2nd-hand electronic equipment (radios, pc's, etc..) and had a huge supply of old 8088, 8086 (and others) motherboards and loose chips. I've checked on the web to see if they're online, but no. You might want to call the phone company for information and see if you can get their phone number... and if so, give them a call.

    Good luck,
    Alan


    : does anyone know if the source code for the 8086/88 is compatible with the 8051 ?
    :
    : and... would anyone know where to find some basic schematics of 8086 circuits ?
    :
    : thanks
    :

  • gordonsmithgordonsmith Posts: 4Member
    : does anyone know if the source code for the 8086/88 is compatible with the 8051 ?
    :
    : and... would anyone know where to find some basic schematics of 8086 circuits ?
    :
    : thanks
    :


    Hello, I know your message is old but if you are still interested here is some info that may be of help.
    The 8086 is really an old PC style processor (is it still available ?) and a bit of a dinosaur ! You wouldn't really want to use it as the processing core of an embedded system.
    The 8051 family is the industry standard 'single chip processor' and totally suited for (simple) embedded applications, provided you don't need more that 8 bit data, ie, no complicated maths, etc.
    I have used the 8051 in one form or another for a great many real-time control projects from energy efficient heating control to CCTV cameras and can recommend it to you without reservation. It also has serial comms on board (UART) so you can do inter-processor comms, talk to a PC or lap-top, etc, which may be useful.
    There are lots of tools available too, as it is widely used.
    Other than that there are several small AVR chips with the RISC instruction set which is very simple to learn. These tend to run a bit quicker (more efficient) than the '51 (whose top speed is limited!) because of the architecture of the core.
    One tip is ..... get yourself a good 'C' compiler as doing it in assembler (unless absolutely necessary) is a waste of time these days and its not transportable so you don't have the option to switch processors (which C gives you) say, if your processor went obsolete.

    Best regards Gordon.




  • melissa_may1melissa_may1 Posts: 937Member
    Hi Gordon!

    I've been wanting to do a furnace controller for my home for a long time. Is that what you did?

    I'd even be happy with a device that monitors which thermostat is active, and the length of time the furnace runs.

    I could do all this from scratch, but if you've already done it...

    Maybe you can save me a bit of work?

    Thanks!



    [purple]Melissa[/purple]

  • gordonsmithgordonsmith Posts: 4Member
    : Hi Gordon!
    :
    : I've been wanting to do a furnace controller for my home for a long time. Is that what you did?
    :
    : I'd even be happy with a device that monitors which thermostat is active, and the length of time the furnace runs.
    :
    : I could do all this from scratch, but if you've already done it...
    :
    : Maybe you can save me a bit of work?
    :
    : Thanks!
    :
    :
    :
    : [purple]Melissa[/purple]
    :
    :
    Hi Melissa,

    I think what I did (quite some time ago now!) may be a bit over complicated as the product was really intended for large building (office, factory, etc) control where you can really save a lot of money but ... you can do something similar with the technology. This is what it was ;

    A Timeswitch to program On/Off heating cycles during the day,
    An 'Optimiser' to 'learn' the heating and cooling characteristics of the building and adjust the timeswitch 'start and end' times so that the inside temperature is/will still be at the desired during the period (ie, if you can switch off early... do it!),
    A 'compensator' to calculate the right water temperature based on inside and outside temperature,
    Proportional/Integral Control of either a motorised (pulsed) valve
    or direct boiler (furnace?) control (on/off),
    Frost protection,
    Pump 'run on'.

    The display was LED digits (it gets dark down in the boiler-room).

    There are up to 4 temperature sensors required, a lot of electronics and quite a bit of installation !

    I probably have some/all of the code (stored away somewhere on very old media which might be a problem now!), I can't guarantee circuits but you might want to update some of the devices anyway.
    If you like I'll see what I still have.

    Any use ?

    Gordon
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