section.text global _start ;must be declared for using gcc _start:  ;tell linker entry point   mov ebx, y mov eax, dword[x]   laco: call Fatoracao cmp eax, 1 jg laco   jmp fimprog


impnum: push eax push ebx push ecx   mov ebx, msg+7 ; mov eax, dword[x] ; eax = x mov ecx, 8

laco2:
dec ecx ; cx=cx-1 mov esi,10 ; divisor por 10, si=10 mov edx, 0 ; limpar o resto edx=0 div esi ; eax = eax/esi,  edx = resto  ; edx = dh << 8 | dl add dl,'0' ; dl = dl + '0' converto o digito decimal para ASC mov [ebx],dl ; *msg = dl dec ebx cmp ecx,0 ; jz  fimlaco2 jmp laco2

fimlaco2:   mov edx, len ;message length mov ecx, msg ;message to write mov ebx, 1 ;file descriptor (stdout) mov eax, 4 ;system call number (sys_write) int 0x80 ;call kernel