void generate_sine()
{
        float total = 1;
        int k = 0, i;

        for (i = 0; i < 3000; i += 3) {
                sine[i + 0] = (total += -0.002);
                sine[i + 1] = sinf(cycles * (2 * 3.14) * k);
                k++;
        }
}