SIDPLAY2_NAMESPACE_START
// An instance of this structure is used to transport emulator settings
// to and from the interface class.
int Player::config (const sid2_config_t &cfg)
{
if (m_running)
{
m_errorString = ERR_CONF_WHILST_ACTIVE;
goto Player_configure_error;
}
// Check for base sampling frequency
if (cfg.frequency < 4000)
{ // Rev 1.6 (saw) - Added descriptive error
m_errorString = ERR_UNSUPPORTED_FREQ;
goto Player_configure_error;
}
// Only do these if we have a loaded tune
if (m_tune)
{
if (m_playerState != sid2_paused)
m_tune->getInfo(m_tuneInfo);
// SID emulation setup (must be performed before the
// environment setup call)
if (sidCreate (cfg.sidEmulation, cfg.sidModel, cfg.sidDefault) < 0)
{
m_errorString = cfg.sidEmulation->error ();
m_cfg.sidEmulation = NULL;
goto Player_configure_restore;
}
if (m_playerState != sid2_paused)
{
float64_t cpuFreq;
// Must be this order:
// Determine clock speed
cpuFreq = clockSpeed (cfg.clockSpeed, cfg.clockDefault,
cfg.clockForced);
// Setup fake cia
sid6526.clock ((uint_least16_t)(cpuFreq / VIC_FREQ_PAL + 0.5));
if (m_tuneInfo.songSpeed == SIDTUNE_SPEED_CIA_1A ||
m_tuneInfo.clockSpeed == SIDTUNE_CLOCK_NTSC)
{
sid6526.clock ((uint_least16_t)(cpuFreq / VIC_FREQ_NTSC + 0.5));
}
// @FIXME@ see mos6526.h for details. Setup TOD clock
if (m_tuneInfo.clockSpeed == SIDTUNE_CLOCK_PAL)
{
cia.clock (cpuFreq / VIC_FREQ_PAL);
cia2.clock (cpuFreq / VIC_FREQ_PAL);
}
else
{
cia.clock (cpuFreq / VIC_FREQ_NTSC);
cia2.clock (cpuFreq / VIC_FREQ_NTSC);
}
/* inform ReSID of the desired sampling rate */
for (int i = 0; i < SID2_MAX_SIDS; i += 1)
sid[i]->sampling(cpuFreq, cfg.frequency, cfg.samplingMethod, cfg.fastSampling);
// Start the real time clock event
rtc.clock(cpuFreq);
// Configure, setup and install C64 environment/events
if (environment (cfg.environment) < 0)
goto Player_configure_restore;
}
}
sidSamples (cfg.sidSamples);
// Setup sid mapping table
// Note this should be based on m_tuneInfo.sidChipBase1
// but this is only temporary code anyway
{
for (int i = 0; i < SID2_MAPPER_SIZE; i++)
m_sidmapper[i] = 0;
}
m_info.channels = 1;
if (m_tune && m_tuneInfo.sidChipBase2) {
// Assumed to be in d4xx-d7xx range
m_sidmapper[(m_tuneInfo.sidChipBase2 >> 5) &
(SID2_MAPPER_SIZE - 1)] = 1;
m_info.channels = 2;
} else if (cfg.forceDualSids) {
SIDPLAY2_NAMESPACE_START
// An instance of this structure is used to transport emulator settings
// to and from the interface class.
int Player::config (const sid2_config_t &cfg)
{
bool monosid = true;
if (m_running)
{
m_errorString = ERR_CONF_WHILST_ACTIVE;
goto Player_configure_error;
}
// Check for base sampling frequency
if (cfg.frequency < 4000)
{ // Rev 1.6 (saw) - Added descriptive error
m_errorString = ERR_UNSUPPORTED_FREQ;
goto Player_configure_error;
}
// Check for legal precision
switch (cfg.precision)
{
case 8:
case 16:
case 24:
if (cfg.precision > SID2_MAX_PRECISION)
{ // Rev 1.6 (saw) - Added descriptive error
m_errorString = ERR_UNSUPPORTED_PRECISION;
goto Player_configure_error;
}
break;
default:
// Rev 1.6 (saw) - Added descriptive error
m_errorString = ERR_UNSUPPORTED_PRECISION;
goto Player_configure_error;
}
// Initialise sid mapping table
{for (int i = 0; i < SID2_MAPPER_SIZE; i++)
m_sidmapper[i] = 0;
}
// Only do these if we have a loaded tune
if (m_tune)
{
if (m_playerState != sid2_paused)
m_tune->getInfo(m_tuneInfo);
// SID emulation setup (must be performed before the
// environment setup call)
if (sidCreate (cfg.sidEmulation, cfg.sidModel, cfg.sidDefault) < 0)
{
m_errorString = cfg.sidEmulation->error ();
m_cfg.sidEmulation = NULL;
goto Player_configure_restore;
}
if (m_playerState != sid2_paused)
{
float64_t cpuFreq;
// Must be this order:
// Determine clock speed
cpuFreq = clockSpeed (cfg.clockSpeed, cfg.clockDefault,
cfg.clockForced);
// Fixed point conversion 16.16
m_samplePeriod = (event_clock_t) (cpuFreq /
(float64_t) cfg.frequency *
(1 << 16) * m_fastForwardFactor);
// Setup fake cia
sid6526.clock ((uint_least16_t)(cpuFreq / VIC_FREQ_PAL + 0.5));
if (m_tuneInfo.songSpeed == SIDTUNE_SPEED_CIA_1A ||
m_tuneInfo.clockSpeed == SIDTUNE_CLOCK_NTSC)
{
sid6526.clock ((uint_least16_t)(cpuFreq / VIC_FREQ_NTSC + 0.5));
}
// @FIXME@ see mos6526.h for details. Setup TOD clock
if (m_tuneInfo.clockSpeed == SIDTUNE_CLOCK_PAL)
{
cia.clock (cpuFreq / VIC_FREQ_PAL);
cia2.clock (cpuFreq / VIC_FREQ_PAL);
}
else
{
cia.clock (cpuFreq / VIC_FREQ_NTSC);
cia2.clock (cpuFreq / VIC_FREQ_NTSC);
}
// Start the real time clock event
rtc.clock (cpuFreq);
// Configure, setup and install C64 environment/events
if (environment (cfg.environment) < 0)
goto Player_configure_restore;
}
// Setup sid mapping table
// Note this should be based on m_tuneInfo.sidChipBase1
// but this is only temporary code anyway
if (m_tuneInfo.sidChipBase2)
{
// Assumed to be in d4xx-d7xx range
m_sidmapper[(m_tuneInfo.sidChipBase2 >> 5) &
(SID2_MAPPER_SIZE - 1)] = 1;
}
monosid = !m_tuneInfo.sidChipBase2;
}
