section .text
        global main

main:
        call _open
        call _read
        call _write
        mov eax, 0
        ret

_read:
        mov eax, 3
        mov ebx, esi
        mov ecx, str
        mov edx, 999
        int 0x80

_open:
        mov eax, 5
        mov ebx, file
        mov ecx, 00
        int 0x80
        mov esi, eax
        mov edx, 999
        int 0x80

_open:
        mov eax, 5
        mov ebx, file_write:
        mov eax, 4
        mov ebx, 1
        mov ecx, str
        mov edx, 999
        int 0x80
        call _n

_n:
        mov eax, 4
        mov ebx, 1
        mov ecx, 0xa
        mov edx, 1
        int 0x80

_exit:
        mov eax, 1
        mov ebx, 0
        int 0x80


section .data
file:   db './ex_1.S'

section .bss
str:    resb    999
        mov ecx, 00
        int 0x80
        mov esi, eax