.386
STACK	SEGMENT USE16 STACK
	DB 200 DUP(0)
STACK	ENDS
PRINTF MACRO STR1;9号功能调用输出字符串
	PUSH DX
	PUSH AX
	LEA DX,STR1
	MOV AH,9
	INT 21H
	POP AX
	POP DX
	ENDM
SCANF MACRO STR2;10号功能调用输入字符串
	PUSH DX
	PUSH AX
	LEA DX,STR2
	MOV AH,10
	INT 21H
	POP AX
	POP DX
	ENDM
DATA	SEGMENT USE16
PUTA DB 0AH,0DH,'a=$'
PUTB DB 0AH,0DH,'b=$'
PUTAB DB 0AH,0DH,'a+b=$'
ANUM DB 13
	DB ?
ANU	DB 13 DUP(0)
BNUM DB 13
	DB ?
BNU	DB 13 DUP(0)
DATA	ENDS
CODE	SEGMENT USE16
	ASSUME CS:CODE,DS:DATA,SS:STACK
START:	MOV	EAX,DATA
		MOV	DS,EAX
		PRINTF PUTA
		LEA DI,ANUM
		CALL PLUS
		MOV EBX,EAX
		PRINTF PUTB
		LEA DI,BNUM
		CALL PLUS
		ADD EAX,EBX
		PRINTF PUTAB
		CALL F2T10
		MOV	AH,4CH
		INT	21H
PLUS PROC FAR
		SCANF [DI]
		MOV CX,1[DI]
		MOV SI,2[DI]
		CALL F10T2
		RET
PLUS ENDP
CODE ENDS
	END	START