Question

Write the command line used go create assembly language program for addition and substraction

Answer 1

The ADD and SUB instructions are used in assembly language program for addition and subtraction.

Explanation:

• The ADD instruction is used for adding a source operand to a destination operand of the same size. The command line is as follows,

        .data

        Var1 DWORD 1000h

        Var2 DWORD 2000h

        .code

        mov eax,var1    ;EAX = 1000h

        add eax,var2     ;EAX = 2000h

• The SUB instruction is used for subtracting the source operand from destination operand. Here we write the command line as follows,

        sub eax,var2

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