%include "asm_io.inc"

CPU 386

segment .data
  msg        db   "Trova i numeri primi da 2 ad N. Inserisci N: ",0

segment .bss
  n     resq   1
  temp  resq   1

segment .text
  global _asm_main

_asm_main:
  enter 0,0
  pusha

  mov   eax,msg
  call  print_string
  call  read_int
  mov   [n],eax
  jmp   test_primalita
test_primalita:
  mov   eax,2
  call  print_int
  call  print_nl
  mov   eax,3
while_primo:
  cmp   eax,[n]
  jnle  end_primo
  mov   ebx,3
while_secondo:
  cmp   ebx,eax
  jnl   end_secondo
  mov   [temp],ebx
  mov   ecx,eax
  mov   edx,0
  idiv  ebx
  cmp   edx,0
  mov   eax,ecx
  je    end_secondo
  mov   ebx,[temp]
  add   ebx,2
  jmp   while_secondo
end_secondo:
  cmp   edx,0
  jne   stampa
  jmp   continua
stampa:
  call  print_int
  call  print_nl
  jmp   continua
continua:
  add   eax,2
  jmp   while_primo
end_primo:
  popa
  mov   eax,0
  leave
  ret