static void *ym3812_start(int sndindex, int clock, const void *config)
{
static const struct YM3812interface dummy = { 0 };
int rate = Machine->sample_rate;
struct ym3812_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = config ? config : &dummy;
rate = clock/72;
/* stream system initialize */
info->chip = YM3812Init(sndindex,clock,rate);
if (!info->chip)
return NULL;
info->stream = stream_create(0,1,rate,info,ym3812_stream_update);
/* YM3812 setup */
YM3812SetTimerHandler (info->chip, TimerHandler_3812, info);
YM3812SetIRQHandler (info->chip, IRQHandler_3812, info);
YM3812SetUpdateHandler(info->chip, _stream_update_3812, info);
info->timer[0] = timer_alloc_ptr(timer_callback_3812_0, info);
info->timer[1] = timer_alloc_ptr(timer_callback_3812_1, info);
return info;
}
static void *ym2203_start(int sndindex, int clock, const void *config)
{
static const struct YM2203interface generic_2203 = { 0 };
const struct YM2203interface *intf = config ? config : &generic_2203;
struct ym2203_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = intf;
info->psg = ay8910_start_ym(SOUND_YM2203, sndindex, clock, 3, intf->portAread, intf->portBread, intf->portAwrite, intf->portBwrite);
if (!info->psg) return NULL;
/* Timer Handler set */
info->timer[0] = timer_alloc_ptr(timer_callback_2203_0, info);
info->timer[1] = timer_alloc_ptr(timer_callback_2203_1, info);
/* stream system initialize */
info->stream = stream_create(0,1,Machine->sample_rate,info,ym2203_stream_update);
/* Initialize FM emurator */
info->chip = YM2203Init(info,sndindex,clock,Machine->sample_rate,TimerHandler,IRQHandler,&psgintf);
state_save_register_func_postload_ptr(ym2203_postload, info);
if (info->chip)
return info;
/* error */
/* stream close */
return NULL;
}
static void *ym2612_start(int sndindex, int clock, const void *config)
{
static const struct YM2612interface dummy = { 0 };
int rate = Machine->sample_rate;
struct ym2612_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = config ? config : &dummy;
/* FM init */
/* Timer Handler set */
info->timer[0] =timer_alloc_ptr(timer_callback_2612_0, info);
info->timer[1] =timer_alloc_ptr(timer_callback_2612_1, info);
/* stream system initialize */
info->stream = stream_create(0,2,rate,info,ym2612_stream_update);
/**** initialize YM2612 ****/
info->chip = YM2612Init(info,sndindex,clock,rate,TimerHandler,IRQHandler);
state_save_register_func_postload_ptr(ym2612_postload, info);
if (info->chip)
return info;
/* error */
return NULL;
}
static void *ym2610_start(int sndindex, int clock, const void *config)
{
static const struct YM2610interface generic_2610 = { 0 };
const struct YM2610interface *intf = config ? config : &generic_2610;
int rate = Machine->sample_rate;
void *pcmbufa,*pcmbufb;
int pcmsizea,pcmsizeb;
struct ym2610_info *info;
sound_type = SOUND_YM2610;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = intf;
info->psg = ay8910_start_ym(SOUND_YM2610, sndindex, clock, 1, NULL, NULL, NULL, NULL);
if (!info->psg) return NULL;
/* Timer Handler set */
info->timer[0] =timer_alloc_ptr(timer_callback_0, info);
info->timer[1] =timer_alloc_ptr(timer_callback_1, info);
/* stream system initialize */
info->stream = stream_create(0,2,rate,info,ym2610_stream_update);
/* setup adpcm buffers */
pcmbufa = (void *)(memory_region(info->intf->pcmroma));
pcmsizea = memory_region_length(info->intf->pcmroma);
pcmbufb = (void *)(memory_region(info->intf->pcmromb));
pcmsizeb = memory_region_length(info->intf->pcmromb);
/**** initialize YM2610 ****/
info->chip = YM2610Init(info,sndindex,clock,rate,
pcmbufa,pcmsizea,pcmbufb,pcmsizeb,
TimerHandler,IRQHandler,&psgintf);
state_save_register_func_postload_ptr(ym2610_postload, info);
if (info->chip)
return info;
/* error */
return NULL;
}
static void *y8950_start(int sndindex, int clock, const void *config)
{
static const struct Y8950interface dummy = { 0 };
int rate = Machine->sample_rate;
struct y8950_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = config ? config : &dummy;
info->index = sndindex;
rate = clock/72;
/* stream system initialize */
info->chip = Y8950Init(sndindex,clock,rate);
if (!info->chip)
return NULL;
/* ADPCM ROM data */
Y8950SetDeltaTMemory(info->chip,
(void *)(memory_region(info->intf->rom_region)),
memory_region_length(info->intf->rom_region) );
info->stream = stream_create(0,1,rate,info,y8950_stream_update);
/* port and keyboard handler */
Y8950SetPortHandler(info->chip, Y8950PortHandler_w, Y8950PortHandler_r, info);
Y8950SetKeyboardHandler(info->chip, Y8950KeyboardHandler_w, Y8950KeyboardHandler_r, info);
/* Y8950 setup */
Y8950SetTimerHandler (info->chip, TimerHandler_8950, info);
Y8950SetIRQHandler (info->chip, IRQHandler_8950, info);
Y8950SetUpdateHandler(info->chip, _stream_update_8950, info);
info->timer[0] = timer_alloc_ptr(timer_callback_8950_0, info);
info->timer[1] = timer_alloc_ptr(timer_callback_8950_1, info);
return info;
}
static void *msm5205_start(int sndindex, int clock, const void *config)
{
struct MSM5205Voice *voice;
voice = auto_malloc(sizeof(*voice));
memset(voice, 0, sizeof(*voice));
sndintrf_register_token(voice);
/* save a global pointer to our interface */
voice->intf = config;
voice->index = sndindex;
voice->clock = clock;
/* compute the difference tables */
ComputeTables (voice);
/* stream system initialize */
voice->stream = stream_create(0,1,Machine->sample_rate,voice,MSM5205_update);
voice->timer = timer_alloc_ptr(MSM5205_vclk_callback, voice);
/* initialize */
msm5205_reset(voice);
/* register for save states */
state_save_register_item("msm5205", sndindex, voice->clock);
state_save_register_item("msm5205", sndindex, voice->data);
state_save_register_item("msm5205", sndindex, voice->vclk);
state_save_register_item("msm5205", sndindex, voice->reset);
state_save_register_item("msm5205", sndindex, voice->prescaler);
state_save_register_item("msm5205", sndindex, voice->bitwidth);
state_save_register_item("msm5205", sndindex, voice->signal);
state_save_register_item("msm5205", sndindex, voice->step);
/* success */
return voice;
}
