void play_click(int sound)
{
int snd_bf_pointer;
uae_s16 gui_volume;
if (!changed_prefs.gui_volume) return;
if (changed_prefs.sound_stereo!=1) return; //Only stereo implemented
gui_volume = 5-changed_prefs.gui_volume;
if (gui_volume<0) gui_volume=0;
if (gui_volume>5) gui_volume=5;
audio_resume();
for(snd_bf_pointer=0; snd_bf_pointer< (len_click_buffer[sound]-sndbufsize); snd_bf_pointer+=sndbufsize)
{
memcpy_volume((uae_s16 *)sndbuffer, (uae_s16 *)(click_buffer_pointer[sound]+snd_bf_pointer), sndbufsize, gui_volume);
finish_sound_buffer();
}
memcpy(sndbuffer, click_buffer_pointer[sound] + snd_bf_pointer, len_click_buffer[sound] - snd_bf_pointer); //The last chunk
memset((char *) sndbuffer + len_click_buffer[sound]-snd_bf_pointer,0, sndbufsize -(len_click_buffer[sound]- snd_bf_pointer));
finish_sound_buffer();
clearbuffer();
audio_pause();
}
void update_audio (void)
{
unsigned long int n_cycles;
uae4all_prof_start(4);
n_cycles = get_cycles () - last_cycles;
for (;;) {
#ifdef __arm__
asm(".align 4");
#endif
register unsigned long int best_evtime = n_cycles + 1;
//int addr = (int)audio_channel_evtime;
//AUDIO_PREFETCH(addr);
// CHECK_STATE
if (best_evtime > audio_channel_evtime[0])
best_evtime = audio_channel_evtime[0];
if (best_evtime > audio_channel_evtime[1])
best_evtime = audio_channel_evtime[1];
if (best_evtime > audio_channel_evtime[2])
best_evtime = audio_channel_evtime[2];
if (best_evtime > audio_channel_evtime[3])
best_evtime = audio_channel_evtime[3];
if (best_evtime > next_sample_evtime)
best_evtime = next_sample_evtime;
if (best_evtime > n_cycles)
break;
// SUB_EVTIME
next_sample_evtime -= best_evtime;
audio_channel_evtime[0] -= best_evtime;
audio_channel_evtime[1] -= best_evtime;
audio_channel_evtime[2] -= best_evtime;
audio_channel_evtime[3] -= best_evtime;
n_cycles -= best_evtime;
/*
addr = (int)&audio_channel_current_sample;
AUDIO_PREFETCH(addr);
addr = (int)&audio_channel_vol;
AUDIO_PREFETCH(addr);
addr = (int)&audio_channel_adk_mask;
AUDIO_PREFETCH(addr);
*/
// IF_SAMPLE
if (!next_sample_evtime) {
next_sample_evtime = scaled_sample_evtime;
register uae_u32 d0 = audio_channel_current_sample[0];
register uae_u32 d1 = audio_channel_current_sample[1];
register uae_u32 d2 = audio_channel_current_sample[2];
register uae_u32 d3 = audio_channel_current_sample[3];
d0 *= audio_channel_vol[0];
d1 *= audio_channel_vol[1];
d2 *= audio_channel_vol[2];
d3 *= audio_channel_vol[3];
d0 &= audio_channel_adk_mask[0];
d1 &= audio_channel_adk_mask[1];
d2 &= audio_channel_adk_mask[2];
d3 &= audio_channel_adk_mask[3];
*(uae_u16 *)sndbufpt = d0+d1+d2+d3;
sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 2);
if ((unsigned)sndbufpt - (unsigned)render_sndbuff >= SNDBUFFER_LEN) {
finish_sound_buffer ();
}
}
// RUN_HANDLERS
for (int i=0; i < 4; i++) {
if (!audio_channel_evtime[i])
audio_handler(i);
}
/*
if (!audio_channel_evtime[0])
audio_handler_0();
if (!audio_channel_evtime[1])
audio_handler_1();
if (!audio_channel_evtime[2])
audio_handler_2();
if (!audio_channel_evtime[3])
audio_handler_3();
*/
}
last_cycles = get_cycles () - n_cycles;
uae4all_prof_end(4);
}
