.model small
.stack 100h
.data
	num1 dw 1234h, 5678h
	num2 dw 8765h, 4321h
	res1 dw 0,0
	res2 dw 0,0
.code
start:
	mov ax, @data
	mov ds, ax

	; сложение

	mov ax, num1[0]
	add ax, num2[0]

	mov res1[0], ax
	mov ax, num1[2]
	adc ax, num2[2]

	mov res1[2], ax

	; вычитание

	mov ax, num1[0]
	sub ax, num2[0]

	mov res2[0], ax
	mov ax, num1[2]
	sbb ax, num2[2]

	mov res2[2], ax

	mov ax, 4C00h
	int 21h

end start