void opl2_poll(opl_t *opl, int16_t *bufl, int16_t *bufr)
{
opl2_update(0, bufl, 1);
opl2_update(1, bufr, 1);
opl->filtbuf[0] = *bufl = ((*bufl) / 4) + ((opl->filtbuf[0] * 11) / 16);
opl->filtbuf[1] = *bufr = ((*bufr) / 4) + ((opl->filtbuf[1] * 11) / 16);
if (opl->timers_enable[0][0])
{
opl->timers[0][0]--;
if (opl->timers[0][0] < 0) opl_timer_over(0, 0);
}
if (opl->timers_enable[0][1])
{
opl->timers[0][1]--;
if (opl->timers[0][1] < 0) opl_timer_over(0, 1);
}
if (opl->timers_enable[1][0])
{
opl->timers[1][0]--;
if (opl->timers[1][0] < 0) opl_timer_over(1, 0);
}
if (opl->timers_enable[1][1])
{
opl->timers[1][1]--;
if (opl->timers[1][1] < 0) opl_timer_over(1, 1);
}
}
void opl2_update2(opl_t *opl)
{
if (opl->pos < sound_pos_global)
{
opl2_update(0, &opl->buffer[opl->pos*2], sound_pos_global - opl->pos);
opl2_update(1, &opl->buffer[opl->pos*2 + 1], sound_pos_global - opl->pos);
for (; opl->pos < sound_pos_global; opl->pos++)
{
opl->filtbuf[0] = opl->buffer[opl->pos*2] = (opl->buffer[opl->pos*2] / 2);
opl->filtbuf[1] = opl->buffer[opl->pos*2+1] = (opl->buffer[opl->pos*2+1] / 2);
}
}
}
