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openmsx::YM2151 Class Referencefinal

#include <YM2151.hh>

Inheritance diagram for openmsx::YM2151:
Inheritance graph
Collaboration diagram for openmsx::YM2151:
Collaboration graph

Public Types

enum class  Variant : char { YM2151 , YM2164 }
- Public Types inherited from openmsx::ResampledSoundDevice
enum class  ResampleType { HQ , LQ , BLIP }

Public Member Functions

 YM2151 (const std::string &name, static_string_view desc, const DeviceConfig &config, EmuTime::param time, Variant variant)
 ~YM2151 ()
void reset (EmuTime::param time)
void writeReg (uint8_t r, uint8_t v, EmuTime::param time)
uint8_t readStatus () const
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.
bool isStereo () const
 Is this a stereo device? This is set in the constructor and cannot be changed anymore.
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)

Additional Inherited Members

- 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 52 of file YM2151.hh.

Member Enumeration Documentation

◆ Variant

enum class openmsx::YM2151::Variant : char

Definition at line 55 of file YM2151.hh.

Constructor & Destructor Documentation

◆ YM2151()

openmsx::YM2151::YM2151 ( const std::string &  name,
static_string_view  desc,
const DeviceConfig config,
EmuTime::param  time,
Variant  variant 

Definition at line 874 of file

References openmsx::SoundDevice::registerSound(), and reset().

◆ ~YM2151()

openmsx::YM2151::~YM2151 ( )

Definition at line 917 of file

References openmsx::SoundDevice::unregisterSound().

Member Function Documentation

◆ readStatus()

uint8_t openmsx::YM2151::readStatus ( ) const

Definition at line 1535 of file

Referenced by openmsx::MSXYamahaSFG::peekMem().

◆ reset()

void openmsx::YM2151::reset ( EmuTime::param  time)

Definition at line 927 of file

References openmsx::IntHelper< SOURCE >::reset(), writeReg(), and xrange().

Referenced by openmsx::MSXYamahaSFG::reset(), and YM2151().

◆ serialize()

template<typename Archive >
void openmsx::YM2151::serialize ( Archive &  ar,
unsigned  version 

Definition at line 1600 of file

References writeReg(), and xrange().

◆ writeReg()

void openmsx::YM2151::writeReg ( uint8_t  r,
uint8_t  v,
EmuTime::param  time 

Definition at line 651 of file

References openmsx::SoundDevice::updateStream(), YM2151, and YM2164.

Referenced by reset(), and serialize().

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