likiDebager

; multi-segment executable file template.

data segment
    ; add your data here!
    stringa db 50 dup(?)
    stringa_nov db 50 dup(?)
    stringb db 50 dup(?)
    stringb_nov db 50 dup(?)
    transformations db 0
    isti db "isti se$"
    razlicni db "ne se isti$"
ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax



    ; add your code here
    lea bx, stringa
    push bx
    call citaj
    lea dx, stringa_nov
    push dx
    mov si, bx
    push si
    call transform

    pop dl
    mov dh, 0
    lea al, transformations
    mov ah, 0
    add dl
    mov al, tranformations

    lea bx, stringb
    push bx
    call citaj
    lea dx, stringb_nov
    push dx
    mov si, bx
    push si
    call transform

    pop dl
    mov dh, 0
    lea al, transformations
    mov ah, 0
    add dl
    mov al, tranformations

    call sporedi

    mov ax, 4c00h ; exit to operating system.
    int 21h

    transform proc:
        pop dx ;IP
        pop si ; stringa
        pop di ; stringa_nov

        mov bl, 0

        l1:
        lodsb
        cmp al, 96
        jg store
        add al, 32
        inc bl
        store:
        stosb
        loop l1
        push bl
        push dx
        ret
    transfrom endp

    citaj proc:
        pop dx
        pop di

        l2:
        mov ah, 1
        int 21h
        cmp al, 24h
        je prodolzi
        stosb
        loop l2

        prodolzi:
        push dx
        ret
    citaj endp

    sporedi proc:
        pop dx
        lea si, stringa_nov
        lea di, stringb_nov
        repe cmpsb
        jne else
        lea dx, isti
        mov ah, 9
        int 21h

        else:
        lea dx,neisti
        mov ah, 9
        int 21h

        push dx
        ret
    sporedi endp


ends
    lodsb
end start ; set entry point and stop the assembler.