Make a Digital Clock in 8085 programming

8085 is an assembly level programming. It uses a lot of mnemonics to write code. To understand a lot of mnemonics is a negative part of any assembly level programming. The following code designs a digital clock with approximately 1 second delay (it depends upon your kits frequency). The delay is calculated by multiplying total T-states a time required for each T-states. It is a 12 hours clock and resets its time after 12 hours.


Source Code

The two lines of code : MVI A, 80 and OUT 43 is used to initialize output port. It varies on kit to kit. So see your manufacturer’s specifications for this.

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4 Responses

  1. i cant understand the codes.. i am kinda coding and working now with 82c55 or the io board 5..i hope you can give me and make understand the codes..

  2. Unknown says:

    I don't know much but the above program simply doesn't get assembled

  3. Unknown says:

    this will display time in hexadecimal, how to convert it to decimal ?

  4. Unknown says:

    Pease sir/mam mention all the instructions function,so that we can easily understand

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