32-bit Data consideration format;

	123A(data1)	 1122(data2)
	8ABC(data3)	 2172(data4)

;32 bit addition/subtraction

.model small

.data
	data1 dw 123Ah
	data2 dw 1122h
	data3 dw 8ABCh
	data4 dw 2172h
	ans1 	dw 0000h
	ans2 	dw 0000h

.code
	mov ax,@data
	mov ds,ax
	mov bx,data2
	add bx,data4
	mov ans1,bx		;32-bit o/p stored in CX-BX reg. pair
	mov cx,data1	;lower 16-bit order stored in BX
	adc cx,data3	;higher 16-bit order stored in CX
	mov ans2,cx

	mov ax,4c00h
	int 21h
end