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Assembly 8086 Project -- 2

DISCLAIMER: This project has to be completed BEFORE 13th Jul, 2020 +3:00 GMT, only if you think you can do this, place a bid.

Hello. I need a project written in assembly 8086 language with the following specifications:

Let's suppose you have a PPI chip to interface with a 4x3 keypad. (An example 4x4 keypad is attached in picture (1), the only difference is that this keypad has 3 columns only.) The addresses for this PPI are 0x400 through 0x403.

You also have A PPI chip to interface with eight 7-segment displays. (An example is attached in picture(2))The addresses for this PPI are 0x700 through 0x703.

All of that in addition to a Real-Time Clock. (Shown in picture 3)) This RTC is connected to the NMI input, and the code that is invoked on each tick is attached in [login to view URL]

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WHAT DOES THE CODE NEED TO DO?

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1- You must add a DAYS variable to the code "[login to view URL]"

2- The code has to read the values from the user in this format -> (DAYS, HOURS, MINUTES, SECONDS) <- And then display the values on the 7 segment displays.

3- The default mode is to count down from the values displayd on the 7-segment displays. If the user presses the # button, it starts to count up.

4- Another way of setting the values on the displays is the keypad. The user presses the * button and proceeds to enter the data using the keypad.

If a user does this sequence: * > 0 > 7 > 0 > 6 > 0 > 0 > 0 > 0 > *

The 7-segment displays show this result: 07:06:00:00 and then start counting down from there.

If the user does this sequence: * > 0 > 7 > 0 > 6 > 0 > 0 > 0 > 0 > #

The 7-segment displays show the same result but start counting up.

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Also attached is a sample code that is really similar to what I need. You can make use of it.

Навыки: Ассемблирование, x86/x64 Assembler, Микроконтроллер, Программирование

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( 0 отзыв(-а, -ов) ) Ramallah, Palestinian Territory

ID проекта: #26529550

4 фрилансеров(-а) готовы выполнить эту работу в среднем за $56

thasleemkamila

I have well experienced in doing such kind of jobs.........................................................................

$50 USD за 3 дней(-я)
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saahiraamir

Teaching Microprocessor (8085/8086) and Microcontrollers. Experience more than 8 years........... ..

$60 USD за 2 дней(-я)
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nachimd1985

hi, this is Nasir Mehmood. I am a software engineer and have more than 20 years of development experience in embedded systems, database design, web design, graphics, and mobile applications. i have extensive knowledge Больше

$100 USD за 7 дней(-я)
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Rfdbb

I would like to participate in your project. If the deadline can be longer I accept the challenge! ...

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