static DEVICE_START( ym2203 )
{
static const ym2203_interface generic_2203 =
{
{
AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS,
DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL
},
NULL
};
const ym2203_interface *intf = device->baseconfig().static_config() ? (const ym2203_interface *)device->baseconfig().static_config() : &generic_2203;
ym2203_state *info = get_safe_token(device);
int rate = device->clock()/72; /* ??? */
info->intf = intf;
info->device = device;
info->psg = ay8910_start_ym(NULL, YM2203, device, device->clock(), &intf->ay8910_intf);
assert_always(info->psg != NULL, "Error creating YM2203/AY8910 chip");
/* Timer Handler set */
info->timer[0] = device->machine().scheduler().timer_alloc(FUNC(timer_callback_2203_0), info);
info->timer[1] = device->machine().scheduler().timer_alloc(FUNC(timer_callback_2203_1), info);
/* stream system initialize */
info->stream = device->machine().sound().stream_alloc(*device,0,1,rate,info,ym2203_stream_update);
/* Initialize FM emurator */
info->chip = ym2203_init(info,device,device->clock(),rate,timer_handler,IRQHandler,&psgintf);
assert_always(info->chip != NULL, "Error creating YM2203 chip");
device->machine().state().register_postload(ym2203_intf_postload, info);
}
void ym2203_device::device_start()
{
ay8910_device::device_start();
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
calculate_rates();
/* Initialize FM emurator */
int rate = clock()/72; /* ??? */
m_chip = ym2203_init(this,this,clock(),rate,timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != nullptr, "Error creating YM2203 chip");
}
void ym2203_device::device_start()
{
ay8910_device::device_start();
int rate = clock()/72; /* ??? */
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
m_stream = machine().sound().stream_alloc(*this,0,1,rate, stream_update_delegate(FUNC(ym2203_device::stream_generate),this));
/* Initialize FM emurator */
m_chip = ym2203_init(this,this,clock(),rate,timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != nullptr, "Error creating YM2203 chip");
}
static UINT8 device_start_ym2203(const DEV_GEN_CFG* cfg, DEV_INFO* retDevInf)
{
OPN_INF* info;
DEV_DATA* devData;
UINT32 rate;
rate = cfg->clock / 72;
SRATE_CUSTOM_HIGHEST(cfg->srMode, rate, cfg->smplRate);
info = (OPN_INF*)malloc(sizeof(OPN_INF));
info->ssg = NULL;
info->opn = ym2203_init(info, cfg->clock, rate, NULL, NULL);
devData = (DEV_DATA*)info->opn;
devData->chipInf = info; // store pointer to OPN_INF into sound chip structure
INIT_DEVINF(retDevInf, devData, rate, &devDef_MAME_2203);
init_ssg_devinfo(retDevInf, cfg, 1, AYTYPE_YM2203);
return 0x00;
}
//static DEVICE_START( ym2203 )
int device_start_ym2203(UINT8 ChipID, int clock, UINT8 AYDisable, UINT8 AYFlags, int* AYrate)
{
static const ym2203_interface generic_2203 =
{
{
AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS
//DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL
},
NULL
};
//const ym2203_interface *intf = device->static_config ? (const ym2203_interface *)device->static_config : &generic_2203;
ym2203_interface* intf;
//ym2203_state *info = get_safe_token(device);
ym2203_state *info;
int rate;
int ay_clock;
if (ChipID >= MAX_CHIPS)
return 0;
info = &YM2203Data[ChipID];
rate = clock/72; /* ??? */
if ((CHIP_SAMPLING_MODE == 0x01 && rate < CHIP_SAMPLE_RATE) ||
CHIP_SAMPLING_MODE == 0x02)
rate = CHIP_SAMPLE_RATE;
info->intf = generic_2203;
intf = &info->intf;
if (AYFlags)
intf->ay8910_intf.flags = AYFlags;
//info->device = device;
//info->psg = ay8910_start_ym(NULL, SOUND_YM2203, device, device->clock, &intf->ay8910_intf);
if (! AYDisable)
{
ay_clock = clock / 2;
*AYrate = ay_clock / 8;
if ((CHIP_SAMPLING_MODE == 0x01 && rate < CHIP_SAMPLE_RATE) ||
CHIP_SAMPLING_MODE == 0x02)
*AYrate = CHIP_SAMPLE_RATE;
switch(AY_EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
// fits in the most common cases
// TODO: remove after being able to change the resampler's sampling rate
info->psg = ay8910_start_ym(NULL, CHTYPE_YM2203, ay_clock, &intf->ay8910_intf);
break;
#endif
case EC_EMU2149:
info->psg = PSG_new(ay_clock, *AYrate);
if (info->psg == NULL)
return 0;
PSG_setVolumeMode((PSG*)info->psg, 1); // YM2149 volume mode
break;
}
}
else
{
info->psg = NULL;
*AYrate = 0;
}
//assert_always(info->psg != NULL, "Error creating YM2203/AY8910 chip");
/* Timer Handler set */
//info->timer[0] = timer_alloc(device->machine, timer_callback_2203_0, info);
//info->timer[1] = timer_alloc(device->machine, timer_callback_2203_1, info);
/* stream system initialize */
//info->stream = stream_create(device,0,1,rate,info,ym2203_stream_update);
/* Initialize FM emurator */
//info->chip = ym2203_init(info,clock,rate,timer_handler,IRQHandler,&psgintf);
info->chip = ym2203_init(info,clock,rate,NULL,NULL,&psgintf);
//assert_always(info->chip != NULL, "Error creating YM2203 chip");
//state_save_register_postload(device->machine, ym2203_intf_postload, info);
return rate;
}
