Classes | Public Member Functions | List of all members
openmsx::YMF278 Class Referencefinal

#include <YMF278.hh>

Inheritance diagram for openmsx::YMF278:
Inheritance graph
Collaboration diagram for openmsx::YMF278:
Collaboration graph

Public Member Functions

 YMF278 (const std::string &name, int ramSizeInKb, const DeviceConfig &config)
 ~YMF278 ()
void clearRam ()
void reset (EmuTime::param time)
void writeReg (uint8_t reg, uint8_t data, EmuTime::param time)
uint8_t readReg (uint8_t reg)
uint8_t peekReg (uint8_t reg) const
uint8_t readMem (unsigned address) const
void writeMem (unsigned address, uint8_t value)
void setMixLevel (uint8_t x, EmuTime::param time)
template<typename Archive >
void serialize (Archive &ar, unsigned version)
- Public Member Functions inherited from openmsx::ResampledSoundDevice
bool generateInput (float *buffer, size_t num)
 Note: To enable various optimizations (like SSE), this method is allowed to generate up to 3 extra sample.
DynamicClockgetEmuClock ()
- Public Member Functions inherited from openmsx::SoundDevice
 SoundDevice (const SoundDevice &)=delete
 SoundDevice (SoundDevice &&)=delete
SoundDeviceoperator= (const SoundDevice &)=delete
SoundDeviceoperator= (SoundDevice &&)=delete
const std::string & getName () const
 Get the unique name that identifies this sound device.
std::string_view getDescription () const
 Gets a description of this sound device, to be presented to the user.
unsigned getNumChannels () const
 How many channels does this device have?
bool hasStereoChannels () const
 Are the individual channels of this device stereo?
bool isStereo () const
 Is the full output of this device stereo?
AmplificationFactors getAmplificationFactor () const
void setSoftwareVolume (float volume, EmuTime::param time)
 Change the 'software volume' of this sound device.
void setSoftwareVolume (float left, float right, EmuTime::param time)
void recordChannel (unsigned channel, const Filename &filename)
void muteChannel (unsigned channel, bool muted)
std::span< const float > getLastBuffer (unsigned channel)
 Query the last generated audio signal for a specific channel.
unsigned getLastBufferSize () const
 getLastBuffer() with return buffers containing this many samples.

Additional Inherited Members

- Public Types inherited from openmsx::ResampledSoundDevice
enum class  ResampleType { HQ , LQ , BLIP }
- Static Public Attributes inherited from openmsx::SoundDevice
static constexpr unsigned MAX_CHANNELS = 24
- Protected Member Functions inherited from openmsx::ResampledSoundDevice
 ResampledSoundDevice (MSXMotherBoard &motherBoard, std::string_view name, static_string_view description, unsigned channels, unsigned inputSampleRate, bool stereo)
 ~ResampledSoundDevice ()
void setOutputRate (unsigned hostSampleRate, double speed) override
 When a SoundDevice registers itself with the Mixer, the Mixer sets the required sampleRate through this method.
bool updateBuffer (size_t length, float *buffer, EmuTime::param time) override
 Generate sample data.
void update (const Setting &setting) noexcept override
void createResampler ()
- Protected Member Functions inherited from openmsx::SoundDevice
 SoundDevice (MSXMixer &mixer, std::string_view name, static_string_view description, unsigned numChannels, unsigned inputRate, bool stereo)
 ~SoundDevice ()
virtual float getAmplificationFactorImpl () const
 Get amplification/attenuation factor for this device.
void registerSound (const DeviceConfig &config)
 Registers this sound device with the Mixer.
void unregisterSound ()
 Unregisters this sound device with the Mixer.
void updateStream (EmuTime::param time)
void setInputRate (unsigned sampleRate)
unsigned getInputRate () const
bool mixChannels (float *dataOut, size_t samples)
 Calls generateChannels() and combines the output to a single channel.
const DynamicClockgetHostSampleClock () const
 See MSXMixer::getHostSampleClock().
double getEffectiveSpeed () const
- Protected Member Functions inherited from openmsx::Observer< Setting >
 Observer ()=default
 ~Observer ()=default
 Observer (const Observer &)=delete
 Observer (Observer &&)=delete
Observeroperator= (const Observer &)=delete
Observeroperator= (Observer &&)=delete
virtual void subjectDeleted (const Setting &)
- Static Protected Member Functions inherited from openmsx::SoundDevice
static void addFill (float *&buffer, float value, unsigned num)
 Adds a number of samples that all have the same value.

Detailed Description

Definition at line 20 of file YMF278.hh.

Constructor & Destructor Documentation

◆ YMF278()

openmsx::YMF278::YMF278 ( const std::string &  name,
int  ramSizeInKb,
const DeviceConfig config 

◆ ~YMF278()

openmsx::YMF278::~YMF278 ( )

Definition at line 834 of file

References openmsx::SoundDevice::unregisterSound().

Member Function Documentation

◆ clearRam()

void openmsx::YMF278::clearRam ( )

Definition at line 839 of file

References openmsx::TrackedRam::clear().

Referenced by openmsx::MSXMoonSound::powerUp().

◆ peekReg()

uint8_t openmsx::YMF278::peekReg ( uint8_t  reg) const

Definition at line 772 of file

References readMem().

Referenced by openmsx::MSXMoonSound::peekIO(), and readReg().

◆ readMem()

uint8_t openmsx::YMF278::readMem ( unsigned  address) const

Definition at line 953 of file

References openmsx::TrackedRam::size().

Referenced by peekReg().

◆ readReg()

uint8_t openmsx::YMF278::readReg ( uint8_t  reg)

Definition at line 757 of file

References peekReg().

Referenced by openmsx::MSXMoonSound::readIO().

◆ reset()

void openmsx::YMF278::reset ( EmuTime::param  time)

Definition at line 844 of file

References setMixLevel(), and openmsx::SoundDevice::updateStream().

Referenced by openmsx::MSXMoonSound::reset(), and YMF278().

◆ serialize()

template<typename Archive >
void openmsx::YMF278::serialize ( Archive &  ar,
unsigned  version 

Definition at line 1089 of file

References enumerate(), openmsx::TrackedRam::getWriteBackdoor(), and t.

◆ setMixLevel()

void openmsx::YMF278::setMixLevel ( uint8_t  x,
EmuTime::param  time 

Definition at line 492 of file

References openmsx::SoundDevice::setSoftwareVolume().

Referenced by reset(), and openmsx::MSXMoonSound::writeIO().

◆ writeMem()

void openmsx::YMF278::writeMem ( unsigned  address,
uint8_t  value 

Definition at line 971 of file

References openmsx::TrackedRam::size(), and openmsx::TrackedRam::write().

◆ writeReg()

void openmsx::YMF278::writeReg ( uint8_t  reg,
uint8_t  data,
EmuTime::param  time 

Definition at line 582 of file

References openmsx::SoundDevice::updateStream().

Referenced by openmsx::MSXMoonSound::writeIO().

The documentation for this class was generated from the following files: