/**
* setSoundYM2612_Improved(): Enable or disable improved YM2612 sound emulation.
* @param newSoundYM2612_Improved New improved YM2612 sound enable setting.
*/
void Options::setSoundYM2612_Improved(const bool newSoundYM2612_Improved)
{
unsigned char Reg_1[0x200];
YM2612_Improv = newSoundYM2612_Improved;
if (YM2612_Improv)
{
MESSAGE_L("High Quality YM2612 emulation",
"High Quality YM2612 emulation", 1000);
}
else
{
MESSAGE_L("Normal YM2612 emulation",
"Normal YM2612 emulation", 1000);
}
// Save the YM2612 registers.
// TODO: Use full save instead of partial save?
YM2612_Save(Reg_1);
if (CPU_Mode)
YM2612_Init(CLOCK_PAL / 7, audio->soundRate(), YM2612_Improv);
else
YM2612_Init(CLOCK_NTSC / 7, audio->soundRate(), YM2612_Improv);
// Restore the YM2612 registers.
YM2612_Restore(Reg_1);
}
/**
* setSoundStereo(): Enable or disable stereo sound.
* @param newSoundStereo New stereo sound enable setting.
*/
void Options::setSoundStereo(const bool newSoundStereo)
{
// TODO: Move most of this code to the Audio class.
unsigned char Reg_1[0x200];
audio->setStereo(newSoundStereo);
if (!audio->stereo())
MESSAGE_L("Mono sound", "Mono sound", 1000);
else
MESSAGE_L("Stereo sound", "Stereo sound", 1000);
if (!audio->enabled())
{
// Sound isn't enabled, so nothing needs to be changed.
return;
}
// Save the current sound state.
// TODO: Use full save instead of partial save?
PSG_Save_State();
YM2612_Save(Reg_1);
// Temporarily disable sound.
audio->endSound();
audio->setEnabled(false);
// Reinitialize the sound processors.
if (CPU_Mode)
{
YM2612_Init(CLOCK_PAL / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_PAL / 15, audio->soundRate());
}
else
{
YM2612_Init(CLOCK_NTSC / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_NTSC / 15, audio->soundRate());
}
if (SegaCD_Started)
Set_Rate_PCM(audio->soundRate());
// Restore the sound state.
YM2612_Restore(Reg_1);
PSG_Restore_State();
// Attempt to re-enable sound.
if (!audio->initSound())
return;
// Sound enabled.
audio->setEnabled(true);
audio->playSound();
return;
}
void Start_Play_GYM(int sampleRate)
{
Seg_Lenght = (int) ceil(sampleRate / 60.0);
/* memset(Seg_L, 0, Seg_Lenght << 2);
memset(Seg_R, 0, Seg_Lenght << 2);*/
YM2612_Init(CLOCK_NTSC / 7, sampleRate, YM2612_Improv);
PSG_Init(CLOCK_NTSC / 15, sampleRate);
}
//static DEVICE_START( ym2612 )
int device_start_ym2612(UINT8 ChipID, int clock)
{
//static const ym2612_interface dummy = { 0 };
//ym2612_state *info = get_safe_token(device);
ym2612_state *info;
int rate;
if (ChipID >= MAX_CHIPS)
return 0;
info = &YM2612Data[ChipID];
rate = clock/72;
if (EMU_CORE == EC_MAME && ! (ChipFlags & 0x02))
rate /= 2;
if ((CHIP_SAMPLING_MODE == 0x01 && rate < CHIP_SAMPLE_RATE) ||
CHIP_SAMPLING_MODE == 0x02)
rate = CHIP_SAMPLE_RATE;
//info->intf = device->static_config ? (const ym2612_interface *)device->static_config : &dummy;
//info->intf = &dummy;
//info->device = device;
/* FM init */
/* Timer Handler set */
//info->timer[0] = timer_alloc(device->machine, timer_callback_2612_0, info);
//info->timer[1] = timer_alloc(device->machine, timer_callback_2612_1, info);
/* stream system initialize */
//info->stream = stream_create(device,0,2,rate,info,ym2612_stream_update);
/**** initialize YM2612 ****/
switch(EMU_CORE)
{
case EC_MAME:
//info->chip = ym2612_init(info,clock,rate,timer_handler,IRQHandler);
info->chip = ym2612_init(info, clock, rate, NULL, NULL);
break;
#ifdef ENABLE_ALL_CORES
case EC_GENS:
if (GensBuf[0x00] == NULL)
{
GensBuf[0x00] = malloc(sizeof(int) * 0x100);
GensBuf[0x01] = GensBuf[0x00] + 0x80;
}
info->chip = YM2612_Init(clock, rate, 0x00);
YM2612_SetMute(info->chip, 0x80); // Disable SSG-EG
break;
#endif
}
//assert_always(info->chip != NULL, "Error creating YM2612 chip");
//ym2612_postload(info->chip);
//state_save_register_postload(device->machine, ym2612_intf_postload, info);
//ym2612_intf_postload();
return rate;
}
/**
* setSoundSampleRate(): Change the sample rate.
* @param Rate Rate ID. (TODO: Make an enum containing the rate IDs.)
*/
void Options::setSoundSampleRate(const int newRate)
{
// Make sure the rate ID is valid.
assert(newRate >= 0 && newRate <= 2);
switch (newRate)
{
case 0:
audio->setSoundRate(11025);
break;
case 1:
audio->setSoundRate(22050);
break;
case 2:
audio->setSoundRate(44100);
break;
}
MESSAGE_NUM_L("Sound rate set to %d Hz", "Sound rate set to %d Hz", audio->soundRate(), 2500);
// If sound isn't enabled, we're done.
if (!audio->enabled())
return;
// Sound's enabled. Reinitialize it.
unsigned char Reg_1[0x200];
// Save the sound registers.
// TODO: Use a full save instead of a partial save?
PSG_Save_State();
YM2612_Save(Reg_1);
// Stop sound.
audio->endSound();
audio->setEnabled(false);
// Reinitialize the sound processors.
if (CPU_Mode)
{
YM2612_Init(CLOCK_PAL / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_PAL / 15, audio->soundRate());
}
else
{
YM2612_Init(CLOCK_NTSC / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_NTSC / 15, audio->soundRate());
}
if (SegaCD_Started)
Set_Rate_PCM(audio->soundRate());
// Restore the sound registers
YM2612_Restore(Reg_1);
PSG_Restore_State();
// Attempt to reinitialize sound.
if (!audio->initSound())
return;
// Sound is reinitialized.
audio->setEnabled(true);
audio->playSound();
return;
}
/**
* setCountry(): Set the current country code.
* @param newCountry New country code.
*/
void Options::setCountry(const int newCountry)
{
unsigned char Reg_1[0x200];
Flag_Clr_Scr = 1;
Country = newCountry;
switch (Country)
{
default:
case -1:
// Auto-detect.
if (Genesis_Started || _32X_Started)
Detect_Country_Genesis();
else if (SegaCD_Started)
Detect_Country_SegaCD();
break;
case 0:
// Japan (NTSC)
Game_Mode = 0;
CPU_Mode = 0;
break;
case 1:
// USA (NTSC)
Game_Mode = 1;
CPU_Mode = 0;
break;
case 2:
// Europe (PAL)
Game_Mode = 1;
CPU_Mode = 1;
break;
case 3:
// Japan (PAL)
Game_Mode = 0;
CPU_Mode = 1;
break;
}
// TODO: Combine this with gens.cpp:Set_Clock_Freq().
if (CPU_Mode)
{
CPL_Z80 = roundDouble((((double)CLOCK_PAL / 15.0) / 50.0) / 312.0);
CPL_M68K = roundDouble((((double)CLOCK_PAL / 7.0) / 50.0) / 312.0);
CPL_MSH2 = roundDouble(((((((double)CLOCK_PAL / 7.0) * 3.0) / 50.0) / 312.0) *
(double)MSH2_Speed) / 100.0);
CPL_SSH2 = roundDouble(((((((double)CLOCK_PAL / 7.0) * 3.0) / 50.0) / 312.0) *
(double)SSH2_Speed) / 100.0);
VDP_Num_Lines = 312;
VDP_Status |= 0x0001;
_32X_VDP.Mode &= ~0x8000;
CD_Access_Timer = 2080;
Timer_Step = 136752;
}
else
{
CPL_Z80 = roundDouble((((double)CLOCK_NTSC / 15.0) / 60.0) / 262.0);
CPL_M68K = roundDouble((((double)CLOCK_NTSC / 7.0) / 60.0) / 262.0);
CPL_MSH2 = roundDouble(((((((double)CLOCK_NTSC / 7.0) * 3.0) / 60.0) / 262.0) *
(double)MSH2_Speed) / 100.0);
CPL_SSH2 = roundDouble(((((((double) CLOCK_NTSC / 7.0) * 3.0) / 60.0) / 262.0) *
(double)SSH2_Speed) / 100.0);
VDP_Num_Lines = 262;
VDP_Status &= 0xFFFE;
_32X_VDP.Mode |= 0x8000;
CD_Access_Timer = 2096;
Timer_Step = 135708;
}
if (audio->enabled())
{
PSG_Save_State();
YM2612_Save(Reg_1);
audio->endSound();
audio->setEnabled(false);
if (CPU_Mode)
{
YM2612_Init(CLOCK_PAL / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_PAL / 15, audio->soundRate());
}
else
{
YM2612_Init(CLOCK_NTSC / 7, audio->soundRate(), YM2612_Improv);
PSG_Init(CLOCK_NTSC / 15, audio->soundRate());
}
if (SegaCD_Started)
Set_Rate_PCM(audio->soundRate());
YM2612_Restore (Reg_1);
PSG_Restore_State();
if (!audio->initSound())
return;
audio->setEnabled(true);
audio->playSound();
}
if (Game_Mode)
{
if (CPU_Mode)
MESSAGE_L("Europe system (50 FPS)", "Europe system (50 FPS)", 1500);
else
MESSAGE_L("USA system (60 FPS)", "USA system (60 FPS)", 1500);
}
else
{
if (CPU_Mode)
MESSAGE_L("Japan system (50 FPS)", "Japan system (50 FPS)", 1500);
else
MESSAGE_L("Japan system (60 FPS)", "Japan system (60 FPS)", 1500);
}
setGameName();
return;
}
