openmsx::YMF262 Class Reference

#include <YMF262.hh>

Inheritance diagram for openmsx::YMF262:

Collaboration diagram for openmsx::YMF262:

Public Types
enum class	EnvelopeState {   ATTACK , DECAY , SUSTAIN , RELEASE ,   OFF }
using	FreqIndex = FixedPoint< 16 >
	16.16 fixed point type for frequency calculations

Public Member Functions
	YMF262 (const std::string &name, const DeviceConfig &config, bool isYMF278)
	~YMF262 ()
void	reset (EmuTime::param time)
void	writeReg (unsigned r, uint8_t v, EmuTime::param time)
void	writeReg512 (unsigned r, uint8_t v, EmuTime::param time)
uint8_t	readReg (unsigned reg) const
uint8_t	peekReg (unsigned reg) const
uint8_t	readStatus ()
uint8_t	peekStatus () const
void	setMixLevel (uint8_t x, EmuTime::param time)
template<typename Archive >
void	serialize (Archive &ar, unsigned version)

Static Public Attributes
static constexpr int	SIN_BITS = 10
static constexpr int	SIN_LEN = 1 << SIN_BITS
static constexpr int	SIN_MASK = SIN_LEN - 1

Detailed Description

Definition at line 24 of file YMF262.hh.

Member Typedef Documentation

FreqIndex

using openmsx::YMF262::FreqIndex = FixedPoint<16>

16.16 fixed point type for frequency calculations

Definition at line 52 of file YMF262.hh.

Member Enumeration Documentation

EnvelopeState

enum class openmsx::YMF262::EnvelopeState

strong

Enumerator
ATTACK
DECAY
SUSTAIN
RELEASE
OFF

Definition at line 54 of file YMF262.hh.

Constructor & Destructor Documentation

YMF262()

openmsx::YMF262::YMF262	(	const std::string &	name,
		const DeviceConfig &	config,
		bool	isYMF278
	)

Definition at line 1438 of file YMF262.cc.

References openmsx::MSXMotherBoard::getCurrentTime(), openmsx::DeviceConfig::getMotherBoard(), openmsx::SoundDevice::registerSound(), reset(), t, and openmsx::SinTab::tab.

~YMF262()

openmsx::YMF262::~YMF262

(

)

Definition at line 1468 of file YMF262.cc.

References openmsx::SoundDevice::unregisterSound().

Member Function Documentation

peekReg()

uint8_t openmsx::YMF262::peekReg

(

unsigned

reg

)

const

Definition at line 1030 of file YMF262.cc.

Referenced by openmsx::YMF278B::peekIO(), openmsx::MSXOPL3Cartridge::peekIO(), and readReg().

peekStatus()

uint8_t openmsx::YMF262::peekStatus

(

)

const

Definition at line 1481 of file YMF262.cc.

Referenced by openmsx::YMF278B::peekIO(), and openmsx::MSXOPL3Cartridge::peekIO().

readReg()

uint8_t openmsx::YMF262::readReg

(

unsigned

reg

)

const

Definition at line 1024 of file YMF262.cc.

References peekReg().

Referenced by openmsx::YMF278B::readIO(), and openmsx::MSXOPL3Cartridge::readIO().

readStatus()

uint8_t openmsx::YMF262::readStatus

(

)

Definition at line 1473 of file YMF262.cc.

Referenced by openmsx::YMF278B::readIO(), and openmsx::MSXOPL3Cartridge::readIO().

reset()

void openmsx::YMF262::reset

(

EmuTime::param

time

)

Definition at line 1397 of file YMF262.cc.

References OFF, and setMixLevel().

Referenced by openmsx::YMF278B::reset(), openmsx::MSXOPL3Cartridge::reset(), and YMF262().

serialize()

template<typename Archive >

void openmsx::YMF262::serialize	(	Archive &	ar,
		unsigned	version
	)

Definition at line 1662 of file YMF262.cc.

References xrange().

setMixLevel()

void openmsx::YMF262::setMixLevel	(	uint8_t	x,
		EmuTime::param	time
	)

Definition at line 1501 of file YMF262.cc.

References openmsx::SoundDevice::setSoftwareVolume().

Referenced by reset(), and openmsx::YMF278B::writeIO().

writeReg()

void openmsx::YMF262::writeReg	(	unsigned	r,
		uint8_t	v,
		EmuTime::param	time
	)

Definition at line 1035 of file YMF262.cc.

References writeReg512().

Referenced by openmsx::YMF278B::writeIO(), and openmsx::MSXOPL3Cartridge::writeIO().

writeReg512()

void openmsx::YMF262::writeReg512	(	unsigned	r,
		uint8_t	v,
		EmuTime::param	time
	)

Definition at line 1043 of file YMF262.cc.

References openmsx::SoundDevice::updateStream().

Referenced by writeReg().

Member Data Documentation

SIN_BITS

constexpr int openmsx::YMF262::SIN_BITS = 10

staticconstexpr

Definition at line 28 of file YMF262.hh.

SIN_LEN

constexpr int openmsx::YMF262::SIN_LEN = 1 << SIN_BITS

staticconstexpr

Definition at line 29 of file YMF262.hh.

SIN_MASK

constexpr int openmsx::YMF262::SIN_MASK = SIN_LEN - 1

staticconstexpr

Definition at line 30 of file YMF262.hh.

---

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

• YMF262.hh
• YMF262.cc