VAR_MAX_ARGV equ 4;

sys_exit    equ     1
sys_read    equ     3
sys_write   equ     4
stdin       equ     0
stdout      equ     1
stderr      equ     3


SECTION .data  ;initialized data
szErrMsg    db      "Too many arguments.  The max number of args is 4", 10
ERRLEN      equ     $-szErrMsg
szLineFeed  db      10


SECTION .text   ;assembly code
extern printf

global _start
_start:
    nop ;
    push ebp
    mov ebp, esp

    ;push welcome_msg;
    ;call printf

    cmp     dword [ebp + 4], 1
    je      NoArgs

    cmp     dword [ebp + 4], VAR_MAX_ARGV        ; check total args entered
    ja      TooManyArgs

    ; push DWORD [i] DWORD directiva de tamanio de memoria
    jmp     finish


NoArgs:
   ; No args entered,
   ; start program without args here
    jmp     finish


TooManyArgs:
    mov     eax, sys_write
    mov     ebx, stdout
    mov     ecx, szErrMsg
    mov     edx, ERRLEN
    int     80H

finish:
    mov     esp, ebp
    pop     ebp

    mov     eax, sys_exit
    xor     ebx, ebx
    int     80H

SECTION .bss ;unitialized data