Lab6p15

bits 32 ; assembling for the 32 bits architecture

; declare the EntryPoint (a label defining the very first instruction of the program)
global start

; declare external functions needed by our program
extern exit, printf             ; tell nasm that exit exists even if we won't be defining it
import exit msvcrt.dll    ; exit is a function that ends the calling process. It is defined in msvcrt.dll
import printf msvcrt.dll                          ; msvcrt.dll contains exit, printf and all the other important C-runtime specific functions

; our data is declared here (the variables needed by our program)
segment data use32 class=data
    ; ...Se da un sir de octeti S. Sa se construiasca sirul D ale carui elemente reprezinta suma fiecaror doi octeti consecutivi din sirul S.

    sursa db 1,2,3,4,5,6
    ls equ ($-sursa)
    dest TIMES ls db 0
    format db "Sirul este: ",0
    format2 db "%d ",0
; our code starts here
segment code use32 class=code
    start:
        ; ...
        mov esi,0
        mov al,[sursa+esi]
        mov edi,0
        inc esi
        for_sir:
        cmp esi,ls
        je end_for
        mov bl,[sursa+esi]
        add al,bl
        mov [dest+edi],al
        inc edi
        inc esi
        mov al,bl
        jmp for_sir

        end_for:
        push dword format
        call[printf]
        add esp, 4*1
        mov esi,0


        repeta:
        cmp esi,ls-1
        je final
        pushad
        mov al,[dest+esi]
        cbw
        cwde
        push eax
        push dword format2
        call [printf]
        add esp, 4*2
        popad
        add esi,1
        jmp repeta


        final:
        ; exit(0)
        push    dword 0      ; push the parameter for exit onto the stack
        call    [exit]       ; call exit to terminate the program