汇编语言实验二

DATAS SEGMENT
    X DB '92345+67890=$'
    Y DB 6 DUP(0),'$'  
DATAS ENDS

STACKS SEGMENT
STACKS ENDS

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX
    LEA DX,X
    MOV AH,09H
    INT 21H
    CLC 
    PUSHF
    MOV SI,4
    MOV CX,5
  A:MOV AL,X[SI]
    MOV DL,X[SI+6]
    POPF
    ADC AL,DL
    AAA
    PUSHF 
    ADD AL,30H
    MOV Y[SI+1],AL;注意Y的长度
    DEC SI       
    LOOP A