prime numbers in ASM

#include <stdio.h>

int main() {
    _asm{
        sub esp, 4
        mov [esp], '%'
        mov [esp + 1], 'd'
        mov [esp + 2], '\t'
        mov [esp + 3], '\0'
        mov ebx, 1000
        mov ecx, 1
        jmp start_while1
incrementare1:
        add ecx, 1
start_while1:
        cmp ecx, ebx
        jge end_while1
        mov edi, 2
        mov esi, 0
        jmp start_while2
incrementare2:
        add edi, 1
start_while2:
        cmp edi, ecx
        jge end_while2
        mov eax, ecx
        xor edx, edx
        div edi
        test edx, edx
        jnz incrementare2
        mov esi, 1
end_while2:
        test esi, esi
        jnz incrementare1
        push ecx
        lea ecx, [esp+4]
        push ecx
        call printf
        pop ecx
        pop ecx
        jmp incrementare1
end_while1:
        add esp, 4
    }
    return 0;
}