./program 3 'ax ab cd fg'

cd

.intel_syntax noprefix
.text
.globl main

.data
m1 db '' , 0

main:
// compile: gcc prog.s -o prog -m32 -nostdlib

// 0 to eax, ebx
mov eax, 0
mov ebx, 0

// run ./programm 3 'ax ab cd fg'

mov eax , [esp+8] // "argv[1]" -> 3
mov ebx, [esp+12] // "argv[2]" -> 'ax ab cd fg'

cld


search:
// load to AL bite from ESI
lodsb
// check end of string (char '')
cmp AL, 0
// if yes -> out
je out
// check if number of spaces == 1?
cmp eax, 1
je nthWord
cmp al, ' '
je space
lodsb // load next bit
jmp search


space:
  dec eax // dec number of spaces
  jmp search // go back to search

nthWord:
  //copy chars to m1
  //and show var m1 at the console


out: