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Home » Embedded Systems

Find the maximum of two 8-bit numbers | 8086 Microprocessor



Here, we are going to learn how to find the maximum of two 8-bit numbers using 8086 Microprocessor?
Submitted by Raju Singh Bhati, on November 08, 2018

Problem statement:

To find maximum of two 8-bit numbers using 8086 Microprocessor.

Algorithm:

  1. Move the first number to register AL.
  2. Move the second number to register BL.
  3. Compare the content of register AL and BL if not carry goto step 5 otherwise goto step 4.
  4. Move the content of register BL to the register AL.
  5. Move the content of register AL to the memory location.

Program:

	MOV     AL, [0600]
	MOV     BL, [0601]
	CMP     AL, BL
	JNC **
	MOV     AL, BL
	** MOV [0602], AL
	HLT

Observation:

    INPUT: 
    0600: 12
    0601: 21

    OUTPUT: 
    0602: 21

Hence successfully find the maximum of two 8-bit numbers using 8086 Microprocessor.






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