multiplication of two 16 bit numbers

.model small

data  segment  

a dw 1234H

b dw 0100H

data ends

code  segment

assume cs:code,ds:data

            mov      ax, data           

            mov      ds, ax

            mov      ax, a                

            mov      bx, b               

            mul       bx       

        mov     bx,dx       

            mov      ah, 4cH           

            int         3H

code ends

end