Assembly adding two numbers
<p>I'm started 30 hours ago on learning assembly
and I'm trying to do a activity, I can run some of the code
but I cannot print the sum of the two numbers, whats wrong with my code?</p>

<p>this is my current output</p>

<pre><code>Enter First Number:
Enter Second Number:
</code></pre>

<p>but the some wont print</p>

<p>here is my code</p>

<pre><code>.MODEL small
.STACK 100h
.DATA

        operation db, 13, 10, "Addition $"
        message1 db 13, 10, "Enter First Number: $"
        message2 db 13, 10, "Enter second Number: $"
        message3 db 13, 10, "Sum: $"
        newline db 13, 10, "$"

        nameinput label byte
        maxnamelen db 50
        curnamelen db ?
        namefield db 50 dup(?)

.CODE
start:
        mov ax, @data
        mov ds,ax

        mov ah,09h
        mov dx, offset operation
        int 21h

        mov ah, 01h
        int 21h

        cmp al, '1'
        je Addition

        Addition:
        mov ah, 09h
        mov dx, offset message1
        int 21h
        mov ah, 01h
        int 21h

        mov ah, 09h
        mov dx, offset newline
        int 21h

        mov ah, 09h
        mov dx, offset message2
        int 21h
        mov ah, 01h
        int 21h

        add al, bl
        mov ah, 09h
        mov dx, offset newline
        int 21h

        mov ax, 4c00h
        int 21h

        END
</code></pre>