count

; Program template
INCLUDE Irvine32.inc

.data
    ; declare variables here
    HelloTxt        BYTE        "Hello World!", 0ah, 0
    A           DWORD   5
.code
main proc
    ; write your code here


    CALL countChars
    CALL WriteInt
    CALL Crlf


    invoke ExitProcess,0
main endp

countChars proc
    MOV ESI, OFFSET HelloTxt
    MOV EBX, 0

    ciklus:
        MOV AL, [ESI]
        CMP AL, 0
        JE vege
        INC EBX
        INC ESI
        JMP ciklus

    vege:

    MOV EAX, EBX
    ret

countChars endp

end main