e7_8.asm

ZHUYAO ZSHI LAI JIECHUADE LAIDE

STACK SEGMENT  STACK 'STACK'
      DB 100 DUP(0)
STACK ENDS
DATA  SEGMENT
      BUF1  DD 12345678H,12121212H
      BUF2  DD 34343434H,87654321H
      BUF3  DD ?,?
DATA  ENDS
CODE  SEGMENT
      ASSUME CS:CODE,DS:DATA,SS:STACK
STAR: MOV   AX,DATA
      MOV   DS,AX
      LEA   BX,BUF1
      CALL  ADD64
      MOV   AH,4CH
      INT   21H
ADD64 PROC  NEAR
      PUSHF
      PUSH  AX
      PUSH  CX
      MOV   CX,4
      CLC
AGA:  MOV   AX,[BX]
      ADC   AX,[BX+8]
      MOV   [BX+10H],AX
      ADD   BX,2
      LOOP  AGA
      POP   CX
      POP   AX
      POPF
      RET
ADD64 ENDP
CODE	ENDS
	END	 STAR