Добавление 2 номеров в FASM

Question

Как сделать программу сборки ниже в FASM.

DATA SEGMENT 
    NUM1 DB ? 
    NUM2 DB ? 
    RESULT DB ? 
    MSG1 DB 10,13,"ENTER FIRST NUMBER TO ADD : $" 
    MSG2 DB 10,13,"ENTER SECOND NUMBER TO ADD : $" 
    MSG3 DB 10,13,"RESULT OF ADDITION IS : $" 
ENDS 
CODE SEGMENT 
    ASSUME DS:DATA CS:CODE 
START: 
     MOV AX,DATA 
     MOV DS,AX 

     LEA DX,MSG1 
     MOV AH,9 
     INT 21H 

     MOV AH,1 
     INT 21H 
     SUB AL,30H 
     MOV NUM1,AL 

     LEA DX,MSG2 
     MOV AH,9 
     INT 21H 

     MOV AH,1 
     INT 21H 
     SUB AL,30H 
     MOV NUM2,AL 

     ADD AL,NUM1 

     MOV RESULT,AL 

     MOV AH,0 
     AAA 

     ADD AH,30H 
     ADD AL,30H 

     MOV BX,AX 

     LEA DX,MSG3 
     MOV AH,9 
     INT 21H 

     MOV AH,2 
     MOV DL,BH 
     INT 21H 

     MOV AH,2 
     MOV DL,BL 
     INT 21H 

     MOV AH,4CH 
     INT 21H  
ENDS 
END START 

http://cssimplified.com/computer-organisation-and-assembly-language-programming/an-assembly-program-to-read-in-two-decimal-inputs-and-print-out-their-sum-in-decimal

Answer 1

format MZ 
entry CODE:START 

SEGMENT dDATA 
    NUM1 DB ? 
    NUM2 DB ? 
    RESULT DB ? 
    MSG1 DB 10,13,"ENTER FIRST NUMBER TO ADD : $" 
    MSG2 DB 10,13,"ENTER SECOND NUMBER TO ADD : $" 
    MSG3 DB 10,13,"RESULT OF ADDITION IS : $" 

SEGMENT CODE 
START: 
     MOV AX, dDATA 
     MOV DS,AX 

     LEA DX, [MSG1] 
     MOV AH,9 
     INT 21H 

     MOV AH,1 
     INT 21H 
     SUB AL,30H 
     MOV [NUM1], AL 

     LEA DX, [MSG2] 
     MOV AH,9 
     INT 21H 

     MOV AH,1 
     INT 21H 
     SUB AL,30H 
     MOV [NUM2] ,AL 

     ADD AL, [NUM1] 

     MOV [RESULT], AL 

     MOV AH,0 
     AAA 

     ADD AH,30H 
     ADD AL,30H 

     MOV BX,AX 

     LEA DX, [MSG3] 
     MOV AH,9 
     INT 21H 

     MOV AH,2 
     MOV DL,BH 
     INT 21H 

     MOV AH,2 
     MOV DL,BL 
     INT 21H 

     MOV AH,4CH 
     INT 21H