addition-2-digits-number.asm

; -- program input 2 digit angka lalu dijumlahkan --
;
; catatan:
;
; program ini langsung input 2 digit angka, karena bukan "buffered input"
; dan gak ada kondisi untuk input "0dh" (enter)
;
; compile pake nasm : nasm add.asm -o add.com
;
; -----------------------------------------------------------------------
;
;  -- Febri



org 0x100

global start
section .data

        msg1        db "input 1 : $"
        msg2        db "input 2 : $"
        msg3        db "hasil penjumlahan : $" 



section .text

start:

        mov     ah, 09h
        mov     dx, msg1
        int     21h
        
        mov     ah, 01h
        int     21h
        sub     al, "0"
        mov     bl, al
        int     21h
        sub     al, "0"
        xchg    al, bl
        mov     ah, 10
        mul     ah
        add     al, bl
        push    ax  
                    
        mov     ah, 0eh
        mov     al, 13
        int     10h
        mov     al, 10
        int     10h
        
        mov     ah, 09h
        mov     dx, msg2
        int     21h   
            
        mov     ah, 01h
        int     21h
        sub     al, "0"
        mov     bl, al
        int     21h
        sub     al, "0"
        xchg    al, bl
        mov     ah, 10
        mul     ah
        add     al, bl
        mov     bl, al 
        push    bx
        
        pop     bx
        pop     ax  
        
        add     ax, bx
        push    ax   
        
        mov     ah, 0eh
        mov     al, 13
        int     10h
        mov     al, 10
        int     10h
        
        mov     ah, 09h
        mov     dx, msg3
        int     21h
        
        pop     ax    
        
        mov     bx, 10
        xor     cx, cx
  divisor:
        xor     dx, dx
        div     bx
        push    dx
        inc     cx
        cmp     ax, 0
        jnz     divisor
cetak_angka:
        pop     dx
        add     dl, "0"
        mov     ah, 02h
        int     21h
        loop    cetak_angka
        
        mov     ax, 4c00h
        int     21h