Subtraction of two 16-bit numbers

Aim: – To write an assembly language program for subtraction of two 16-bit numbers.

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	MOV AX, FIRST
	SUB AX, SECOND
        MOV DIFF, AX
        MOV AX, 00
        ADC AX, 00
	MOV DIFF+2, AX
        END

Result: Subtraction of two 16-bit numbers is obtained.


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