assembly/add_four_num.asm at main · nurulabsr/assembly · GitHub

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.model small
.stack 100h
.data

var_1 db ?
var_2 db ?
message_1 db "Enter your frist number: $"
message_2 db 10,13, "Enter your second number: $"
message_3 db 10,13, "Entet your third number: $"
message_4 db 10,13, "Enter your fourh number: $"
result    db 10,13, "Result: $"
.code

main proc
    mov ax, @data
    mov ds, ax

    mov ah,9
    lea dx, message_1
    int 21h


    mov ah, 1
    int 21h
    mov ch, al


    mov ah, 9
    lea dx, message_2
    int 21h


    mov ah, 1
    int 21h
    mov cl, al

    mov ah, 9
    lea dx, message_3
    int 21h

    mov ah,1
    int 21h
    mov bl, al

    mov ah, 9
    lea dx, message_4
    int 21h


    mov ah, 1
    int 21h
    mov bh, al


    mov ah, 9
    lea dx, result
    int 21h

    add ch, cl
    sub ch,48
    mov var_1, ch


    add var_1, bl
    sub var_1, 48
    mov ch, var_1

    add ch, bh
    sub ch, 48
    mov var_2, ch


    mov ah, 2
    mov dl, var_2
    int 21h


    mov ah,2
    mov dl,07
    int 21h

     mov ah,2
    mov dl,07
    int 21h

     mov ah,2
    mov dl,07
    int 21h

    mov ah, 2
    mov dl, 07
    int 21h

    mov ah, 2
    mov dl, 07
    int 21h
    exit:
    mov ah, 4ch
    int 21h

     endp main
end main