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Maximum of two 8 bits number in 8085 Microprocessor

Here, we are going to learn how to find maximum of two 8 bits number in 8085 Microprocessor?
Submitted by Diksha Tewari, on October 18, 2018

Problem statement:

To find maximum of two 8bit numberusing 8085 microprocessor.

Algorithm:

  1. Load the accumulator with the first data.
  2. Move the content of accumulator to register B.
  3. Load the accumulator with the second data.
  4. Compare the content of accumulator with the content of register B.
  5. If carry flag is reset then jump to the step 7.
  6. Copy the content to accumulator.
  7. Now load the result value in memory location from accumulator.

Program:

    LDA     2050   
    MOV     B, A
    LDA     2051
    CMP 
    JNC **   
    MOV     A, B
    ** STA 2052

Observation:

    INPUT: 
    2050:05
    2051:02

    OUTPUT: 
    2052:05

Hence, we successfully find the maximum among two 8 bits numbers.






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