/* -------------------------------------------------------------------------- *
* Client Shutdown *
* -------------------------------------------------------------------------- */
void client_shutdown(void)
{
if(client_ini)
ini_close(client_ini);
/* Bilder freigeben */
client_free(client_buffer);
/* client_free_image(client_background);*/
/* Client-Module herunterfahren */
sound_shutdown();
card_shutdown();
net_shutdown();
/* Bibliotheken herunterfahren */
SDL_Quit();
sgQuit();
#if MDEBUG_ENABLE
mdebug_shutdown();
#endif /* MDEBUG_ENABLE */
client_log(STATUS, "Baba! *Winke-Wink*");
exit(0);
}
void system_shutdown(void)
{
#ifdef DEBUG
int i;
/*error("PC:%04X\tSP:%04X\n", z80_get_reg(Z80_PC), z80_get_reg(Z80_SP));
error("AF:%04X\tAF:%04X\n", z80_get_reg(Z80_AF), z80_get_reg(Z80_AF2));
error("BC:%04X\tBC:%04X\n", z80_get_reg(Z80_BC), z80_get_reg(Z80_BC2));
error("DE:%04X\tDE:%04X\n", z80_get_reg(Z80_DE), z80_get_reg(Z80_DE2));
error("HL:%04X\tHL:%04X\n", z80_get_reg(Z80_HL), z80_get_reg(Z80_HL2));
error("IX:%04X\tIY:%04X\n", z80_get_reg(Z80_IX), z80_get_reg(Z80_IY));
for(i = 0; i <= 0x0A; i++)
error("%02X ", vdp.reg[i]);
error("\n");
error("MODE:%02X\n", vdp.mode & 7);
error("PN:%04X\n", vdp.pn);
error("CT:%04X\n", vdp.ct);
error("PG:%04X\n", vdp.pg);
error("SA:%04X\n", vdp.sa);
error("SG:%04X\n", vdp.sg);
error("\n");*/
#endif
sms_shutdown();
pio_shutdown();
vdp_shutdown();
render_shutdown();
sound_shutdown();
}
int sound_init(void)
{
/* If we are reinitializing, shut down sound emulation */
if(snd.enabled)
{
sound_shutdown();
}
/* Disable sound until initialization is complete */
snd.enabled = 0;
/* Check if sample rate is invalid */
if(snd.sample_rate < 8000 || snd.sample_rate > 48000)
return 0;
// Init sound emulation
SN76489Init(0, snd.psg_clock, 0);
SN76496SetRoute(0, 0.70, BURN_SND_ROUTE_BOTH);
FM_Init();
/* Inform other functions that we can use sound */
snd.enabled = 1;
return 1;
}
int coleco_shutdown(void) {
coleco_mem_shutdown();
sms_z80_shutdown();
sms_vdp_shutdown();
sound_shutdown();
/* Reset a few things in case we reinit later. */
colecovision_cons._base.initialized = 0;
return 0;
}
int nes_shutdown(void) {
if(!nes_cons._base.initialized)
return -1;
nes_ppu_shutdown();
nes_mem_shutdown();
nes_apu_shutdown();
sound_shutdown();
nes_cons._base.initialized = 0;
return 0;
}
static int chip8_shutdown(void) {
if(!chip8_cons._base.initialized)
return -1;
chip8_mem_clear_fb(NULL);
Chip8CPU_reset(&cpu);
chip8_mem_shutdown();
sound_shutdown();
chip8_cons._base.initialized = 0;
return 0;
}
int sound_init(void)
{
uint8 *buf = NULL;
int restore_fm = 0;
int i;
/* Save register settings */
if(snd.enabled && sms.use_fm)
{
restore_fm = 1;
buf = malloc(FM_GetContextSize());
FM_GetContext(buf);
}
/* If we are reinitializing, shut down sound emulation */
if(snd.enabled)
{
sound_shutdown();
}
/* Disable sound until initialization is complete */
snd.enabled = 0;
/* Check if sample rate is invalid */
if(snd.sample_rate < 8000 || snd.sample_rate > 48000)
return 0;
/* Assign stream mixing callback if none provided */
if(!snd.mixer_callback)
snd.mixer_callback = sound_mixer_callback;
/* Calculate number of samples generated per frame */
#ifdef PSP
/* PSP version requires a sample count divisible by 64 */
snd.sample_count = ((snd.sample_rate / snd.fps) + 63) & ~63;
#else
snd.sample_count = (snd.sample_rate / snd.fps);
#endif
/* Calculate size of sample buffer */
snd.buffer_size = snd.sample_count * 2;
/* Free sample buffer position table if previously allocated */
if(smptab)
{
free(smptab);
smptab = NULL;
}
/* Prepare incremental info */
snd.done_so_far = 0;
smptab_len = (sms.display == DISPLAY_NTSC) ? 262 : 313;
smptab = malloc(smptab_len * sizeof(int));
if(!smptab) return 0;
for (i = 0; i < smptab_len; i++)
{
double calc = (snd.sample_count * i);
calc = calc / (double)smptab_len;
smptab[i] = (int)calc;
}
/* Allocate emulated sound streams */
for(i = 0; i < STREAM_MAX; i++)
{
snd.stream[i] = malloc(snd.buffer_size);
if(!snd.stream[i]) return 0;
memset(snd.stream[i], 0, snd.buffer_size);
}
/* Allocate sound output streams */
snd.output[0] = calloc(snd.sample_count, sizeof(int16));
snd.output[1] = calloc(snd.sample_count, sizeof(int16));
if(!snd.output[0] || !snd.output[1]) return 0;
/* Set up buffer pointers */
fm_buffer = (int16 **)&snd.stream[STREAM_FM_MO];
psg_buffer = (int16 **)&snd.stream[STREAM_PSG_L];
/* Set up SN76489 emulation */
SN76489_Init(0, snd.psg_clock, snd.sample_rate);
/* Set up YM2413 emulation */
FM_Init();
/* Inform other functions that we can use sound */
snd.enabled = 1;
/* Restore YM2413 register settings */
if(restore_fm)
{
FM_SetContext(buf);
}
return 1;
}
