// Clock speed changes due to loading a new song
private c64.c64.model_t c64model(sidplayfp.SidConfig.c64_model_t defaultModel, bool forced)
{
sidplayfp.SidTuneInfo tuneInfo = m_tune.getInfo();
sidplayfp.SidTuneInfo.clock_t clockSpeed = tuneInfo.clockSpeed();
c64.c64.model_t model = c64.c64.model_t.PAL_B;
// Use preferred speed if forced or if song speed is unknown
if (forced || clockSpeed == sidplayfp.SidTuneInfo.clock_t.CLOCK_UNKNOWN || clockSpeed == sidplayfp.SidTuneInfo.clock_t.CLOCK_ANY)
{
switch (defaultModel)
{
case sidplayfp.SidConfig.c64_model_t.PAL:
clockSpeed = sidplayfp.SidTuneInfo.clock_t.CLOCK_PAL;
model = c64.c64.model_t.PAL_B;
videoSwitch = 1;
break;
case sidplayfp.SidConfig.c64_model_t.DREAN:
clockSpeed = sidplayfp.SidTuneInfo.clock_t.CLOCK_PAL;
model = c64.c64.model_t.PAL_N;
videoSwitch = 1; // TODO verify
break;
case sidplayfp.SidConfig.c64_model_t.NTSC:
clockSpeed = sidplayfp.SidTuneInfo.clock_t.CLOCK_NTSC;
model = c64.c64.model_t.NTSC_M;
videoSwitch = 0;
break;
case sidplayfp.SidConfig.c64_model_t.OLD_NTSC:
clockSpeed = sidplayfp.SidTuneInfo.clock_t.CLOCK_NTSC;
model = c64.c64.model_t.OLD_NTSC_M;
videoSwitch = 0;
break;
}
}
else
{
switch (clockSpeed)
{
default:
case sidplayfp.SidTuneInfo.clock_t.CLOCK_PAL:
model = c64.c64.model_t.PAL_B;
videoSwitch = 1;
break;
case sidplayfp.SidTuneInfo.clock_t.CLOCK_NTSC:
model = c64.c64.model_t.NTSC_M;
videoSwitch = 0;
break;
}
}
switch (clockSpeed)
{
case sidplayfp.SidTuneInfo.clock_t.CLOCK_PAL:
if (tuneInfo.songSpeed() == sidplayfp.SidTuneInfo.SPEED_CIA_1A)
{
m_info.m_speedString = TXT_PAL_CIA;
}
else if (tuneInfo.clockSpeed() == sidplayfp.SidTuneInfo.clock_t.CLOCK_NTSC)
{
m_info.m_speedString = TXT_PAL_VBI_FIXED;
}
else
{
m_info.m_speedString = TXT_PAL_VBI;
}
break;
case sidplayfp.SidTuneInfo.clock_t.CLOCK_NTSC:
if (tuneInfo.songSpeed() == sidplayfp.SidTuneInfo.SPEED_CIA_1A)
{
m_info.m_speedString = TXT_NTSC_CIA;
}
else if (tuneInfo.clockSpeed() == sidplayfp.SidTuneInfo.clock_t.CLOCK_PAL)
{
m_info.m_speedString = TXT_NTSC_VBI_FIXED;
}
else
{
m_info.m_speedString = TXT_NTSC_VBI;
}
break;
default:
break;
}
return(model);
}
public bool config(ref sidplayfp.SidConfig cfg, bool force = false)
{
// Check if configuration have been changed or forced
if (!force && !m_cfg.compare(ref cfg))
{
return(true);
}
// Check for base sampling frequency
if (cfg.frequency < 8000)
{
m_errorString = ERR_UNSUPPORTED_FREQ;
return(false);
}
// Only do these if we have a loaded tune
if (m_tune != null)
{
sidplayfp.SidTuneInfo tuneInfo = m_tune.getInfo();
try
{
sidRelease();
List <UInt32> addresses = new List <uint>();
UInt16 secondSidAddress = tuneInfo.sidChipBase(1) != 0 ?
tuneInfo.sidChipBase(1) :
cfg.secondSidAddress;
if (secondSidAddress != 0)
{
addresses.Add(secondSidAddress);
}
UInt16 thirdSidAddress = tuneInfo.sidChipBase(2) != 0 ?
tuneInfo.sidChipBase(2) :
cfg.thirdSidAddress;
if (thirdSidAddress != 0)
{
addresses.Add(thirdSidAddress);
}
// SID emulation setup (must be performed before the
// environment setup call)
sidCreate(cfg.sidEmulation, cfg.defaultSidModel, cfg.forceSidModel, ref addresses);
// Determine clock speed
c64.c64.model_t model = c64model(cfg.defaultC64Model, cfg.forceC64Model);
m_c64.setModel(model);
sidParams(m_c64.getMainCpuSpeed(), (Int32)cfg.frequency, cfg.samplingMethod, cfg.fastSampling);
// Configure, setup and install C64 environment/events
initialise();
}
catch (configError e)
{
m_errorString = e.message();
m_cfg.sidEmulation = null;
if (m_cfg != cfg)
{
config(ref m_cfg);
}
return(false);
}
}
bool isStereo = cfg.playback == sidplayfp.SidConfig.playback_t.STEREO;
m_info.m_channels = (UInt32)(isStereo ? 2 : 1);
m_mixer.setStereo(isStereo);
m_mixer.setVolume((Int32)cfg.leftVolume, (Int32)cfg.rightVolume);
// Update Configuration
m_cfg = cfg;
return(true);
}