void opl3_poll(opl_t *opl, int16_t *bufl, int16_t *bufr) { opl3_update(0, bufl, 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->timers_enable[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->timers_enable[0][1] = 0; opl_timer_over(0, 1); } } }
void opl3_update2(opl_t *opl) { if (opl->pos < sound_pos_global) { opl3_update(0, &opl->buffer[opl->pos*2], 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); } } }