#include <DSP.hpp>

Collaboration diagram for ComSquare::APU::DSP::DSP:

Public Member Functions
	DSP (Renderer::IRenderer &renderer, MemoryMap &map)

	DSP (const DSP &)=default

DSP &	operator= (const DSP &)=delete

	~DSP ()=default

const std::array< Voice, 8 > &	getVoices () const
	Return all 8 voices from DSP. More...

const Master &	getMaster () const

const Echo &	getEcho () const

const Noise &	getNoise () const

const BRR &	getBrr () const

const Latch &	getLatch () const

uint8_t	read (uint24_t addr) const
	Read from the internal DSP register. More...

void	write (uint24_t addr, uint8_t data)
	Write data to the internal DSP register. More...

std::string	getName () const
	Get the name of this accessor (used for debug purpose) More...

void	update ()
	Execute current voice transformation. More...

Component	getComponent () const
	Get the component of this accessor (used for debug purpose) More...

uint24_t	getSize () const
	Get the size of the data. This size can be lower than the mapped data. More...

int32_t	getSamplesCount () const
	Return the number of samples written. More...

Private Member Functions
void	voiceOutput (Voice &voice, bool channel)

void	voice1 (Voice &voice)

void	voice2 (Voice &voice)

void	voice3 (Voice &voice)

void	voice3a (Voice &voice)

void	voice3b (Voice &voice)

void	voice3c (Voice &voice)

void	voice4 (Voice &voice)

void	voice5 (Voice &voice)

void	voice6 (Voice &voice)

void	voice7 (Voice &voice)

void	voice8 (Voice &voice)

void	voice9 (Voice &voice)

void	echo22 ()

void	echo23 ()

void	echo24 ()

void	echo25 ()

void	echo26 ()

void	echo27 ()

void	echo28 ()

void	echo29 ()

void	echo30 ()

void	misc27 ()

void	misc28 ()

void	misc29 ()

void	misc30 ()

int32_t	interpolate (const Voice &voice)
	Interpolate voice samples with gauss table. More...

void	runEnvelope (Voice &voice)
	Modify voice samples with its envelope. More...

int32_t	loadFIR (bool channel, int fir)

void	loadEcho (bool channel)

int16_t	outputEcho (bool channel)

void	writeEcho (bool channel)

void	timerTick ()
	Remove one tick from timer. More...

bool	timerPoll (uint32_t rate)
	Check if timer value is equal to rate value. More...

void	decodeBRR (Voice &voice)
	Transform BRR value to samples. More...

uint8_t	_readRAM (uint24_t addr)
	Read inside APU RAM. More...

void	_writeRAM (uint24_t addr, uint8_t data)
	Write into APU RAM. More...

Private Attributes
std::array< uint16_t, 32 >	_rateModulus
	Number of samples per counter event. More...

std::array< uint16_t, 32 >	_counterOffset
	Counter offset. More...

std::array< int16_t, 512 >	_gauss
	Gaussian table used for making waves. More...

std::array< int16_t, 0x10000 >	_soundBuffer = {}
	Buffer containing samples to be played. More...

std::array< Voice, 8 >	_voices {}
	8x voices of sample used to make sound More...

Master	_master {}

Echo	_echo {}

Noise	_noise {}

BRR	_brr {}

Latch	_latch {}

State	_state

Timer	_timer {}

MemoryMap &	_map
	Whole APU RAM map. More...

Renderer::IRenderer &	_renderer
	Renderer used to play sounds. More...

Constructor & Destructor Documentation

◆ DSP() [1/2]

ComSquare::APU::DSP::DSP::DSP	(	Renderer::IRenderer &	renderer,
		MemoryMap &	map
	)

◆ DSP() [2/2]

ComSquare::APU::DSP::DSP::DSP ( const DSP & )

default

◆ ~DSP()

ComSquare::APU::DSP::DSP::~DSP ( )

default

Member Function Documentation

◆ _readRAM()

uint8_t ComSquare::APU::DSP::DSP::_readRAM ( uint24_t addr )

private

Read inside APU RAM.

◆ _writeRAM()

void ComSquare::APU::DSP::DSP::_writeRAM	(	uint24_t	addr,
		uint8_t	data
	)

private

Write into APU RAM.

◆ decodeBRR()

void ComSquare::APU::DSP::DSP::decodeBRR ( Voice & voice )

private

Transform BRR value to samples.

◆ echo22()

void ComSquare::APU::DSP::DSP::echo22 ( )

private

◆ echo23()

void ComSquare::APU::DSP::DSP::echo23 ( )

private

◆ echo24()

void ComSquare::APU::DSP::DSP::echo24 ( )

private

◆ echo25()

void ComSquare::APU::DSP::DSP::echo25 ( )

private

◆ echo26()

void ComSquare::APU::DSP::DSP::echo26 ( )

private

◆ echo27()

void ComSquare::APU::DSP::DSP::echo27 ( )

private

◆ echo28()

void ComSquare::APU::DSP::DSP::echo28 ( )

private

◆ echo29()

void ComSquare::APU::DSP::DSP::echo29 ( )

private

◆ echo30()

void ComSquare::APU::DSP::DSP::echo30 ( )

private

◆ getBrr()

const BRR & ComSquare::APU::DSP::DSP::getBrr ( ) const

◆ getComponent()

Component ComSquare::APU::DSP::DSP::getComponent ( ) const

Get the component of this accessor (used for debug purpose)

◆ getEcho()

const Echo & ComSquare::APU::DSP::DSP::getEcho ( ) const

◆ getLatch()

const Latch & ComSquare::APU::DSP::DSP::getLatch ( ) const

◆ getMaster()

const Master & ComSquare::APU::DSP::DSP::getMaster ( ) const

◆ getName()

std::string ComSquare::APU::DSP::DSP::getName ( ) const

Get the name of this accessor (used for debug purpose)

◆ getNoise()

const Noise & ComSquare::APU::DSP::DSP::getNoise ( ) const

◆ getSamplesCount()

int32_t ComSquare::APU::DSP::DSP::getSamplesCount ( ) const

Return the number of samples written.

◆ getSize()

uint24_t ComSquare::APU::DSP::DSP::getSize ( ) const

Get the size of the data. This size can be lower than the mapped data.

Returns: The number of bytes inside this memory.

◆ getVoices()

const std::array< Voice, 8 > & ComSquare::APU::DSP::DSP::getVoices ( ) const

Return all 8 voices from DSP.

◆ interpolate()

int32_t ComSquare::APU::DSP::DSP::interpolate ( const Voice & voice )

private

Interpolate voice samples with gauss table.

◆ loadEcho()

void ComSquare::APU::DSP::DSP::loadEcho ( bool channel )

private

◆ loadFIR()

int32_t ComSquare::APU::DSP::DSP::loadFIR	(	bool	channel,
		int	fir
	)

private

◆ misc27()

void ComSquare::APU::DSP::DSP::misc27 ( )

private

◆ misc28()

void ComSquare::APU::DSP::DSP::misc28 ( )

private

◆ misc29()

void ComSquare::APU::DSP::DSP::misc29 ( )

private

◆ misc30()

void ComSquare::APU::DSP::DSP::misc30 ( )

private

◆ operator=()

DSP& ComSquare::APU::DSP::DSP::operator= ( const DSP & )

delete

◆ outputEcho()

int16_t ComSquare::APU::DSP::DSP::outputEcho ( bool channel )

private

◆ read()

uint8_t ComSquare::APU::DSP::DSP::read ( uint24_t addr ) const

Read from the internal DSP register.

Parameters

addr	The address to read from. The address 0x0 should refer to the first byte of the register.

Exceptions

InvalidAddress will be thrown if the address is more than $7F (the number of register).

Returns: Return the value of the register.

◆ runEnvelope()

void ComSquare::APU::DSP::DSP::runEnvelope ( Voice & voice )

private

Modify voice samples with its envelope.

◆ timerPoll()

bool ComSquare::APU::DSP::DSP::timerPoll ( uint32_t rate )

private

Check if timer value is equal to rate value.

◆ timerTick()

void ComSquare::APU::DSP::DSP::timerTick ( )

private

Remove one tick from timer.

◆ update()

void ComSquare::APU::DSP::DSP::update ( )

Execute current voice transformation.

◆ voice1()

void ComSquare::APU::DSP::DSP::voice1 ( Voice & voice )

private

◆ voice2()

void ComSquare::APU::DSP::DSP::voice2 ( Voice & voice )

private

◆ voice3()

void ComSquare::APU::DSP::DSP::voice3 ( Voice & voice )

private

◆ voice3a()

void ComSquare::APU::DSP::DSP::voice3a ( Voice & voice )

private

◆ voice3b()

void ComSquare::APU::DSP::DSP::voice3b ( Voice & voice )

private

◆ voice3c()

void ComSquare::APU::DSP::DSP::voice3c ( Voice & voice )

private

◆ voice4()

void ComSquare::APU::DSP::DSP::voice4 ( Voice & voice )

private

◆ voice5()

void ComSquare::APU::DSP::DSP::voice5 ( Voice & voice )

private

◆ voice6()

void ComSquare::APU::DSP::DSP::voice6 ( Voice & voice )

private

◆ voice7()

void ComSquare::APU::DSP::DSP::voice7 ( Voice & voice )

private

◆ voice8()

void ComSquare::APU::DSP::DSP::voice8 ( Voice & voice )

private

◆ voice9()

void ComSquare::APU::DSP::DSP::voice9 ( Voice & voice )

private

◆ voiceOutput()

void ComSquare::APU::DSP::DSP::voiceOutput	(	Voice &	voice,
		bool	channel
	)

private

◆ write()

void ComSquare::APU::DSP::DSP::write	(	uint24_t	addr,
		uint8_t	data
	)

Write data to the internal DSP register.

Parameters

addr	The address to write to. The address 0x0 should refer to the first byte of register.
data	The new value of the register.

Exceptions

InvalidAddress will be thrown if the address is more than $7F (the number of register).

◆ writeEcho()

void ComSquare::APU::DSP::DSP::writeEcho ( bool channel )

private

Member Data Documentation

◆ _brr

BRR ComSquare::APU::DSP::DSP::_brr {}

private

◆ _counterOffset

std::array<uint16_t, 32> ComSquare::APU::DSP::DSP::_counterOffset

private

Initial value:

= {
                0, 0, 1040, 536, 0, 1040,
                536, 0, 1040, 536, 0, 1040,
                536, 0, 1040, 536, 0, 1040,
                536, 0, 1040, 536, 0, 1040,
                536, 0, 1040, 536, 0, 1040,
                0,0
        }

Counter offset.

◆ _echo

Echo ComSquare::APU::DSP::DSP::_echo {}

private

◆ _gauss

std::array<int16_t, 512> ComSquare::APU::DSP::DSP::_gauss

private

Gaussian table used for making waves.

◆ _latch

Latch ComSquare::APU::DSP::DSP::_latch {}

private

◆ _map

MemoryMap& ComSquare::APU::DSP::DSP::_map

private

Whole APU RAM map.

◆ _master

Master ComSquare::APU::DSP::DSP::_master {}

private

◆ _noise

Noise ComSquare::APU::DSP::DSP::_noise {}

private

◆ _rateModulus

std::array<uint16_t, 32> ComSquare::APU::DSP::DSP::_rateModulus

private

Initial value:

= {
                0, 2048, 1536, 1280, 1024, 768,
                640, 512, 384, 320, 256, 192,
                160, 128, 96, 80, 64, 48,
                40, 32, 24, 20, 16, 12,
                10, 8, 6, 5, 4, 3,
                2, 1
        }

Number of samples per counter event.

◆ _renderer

Renderer::IRenderer& ComSquare::APU::DSP::DSP::_renderer

private

Renderer used to play sounds.

◆ _soundBuffer

std::array<int16_t, 0x10000> ComSquare::APU::DSP::DSP::_soundBuffer = {}

private

Buffer containing samples to be played.

◆ _state

State ComSquare::APU::DSP::DSP::_state

private

◆ _timer

Timer ComSquare::APU::DSP::DSP::_timer {}

private

◆ _voices

std::array<Voice, 8> ComSquare::APU::DSP::DSP::_voices {}

private

8x voices of sample used to make sound

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

sources/APU/DSP/DSP.hpp
sources/APU/DSP/BRR.cpp
sources/APU/DSP/DSP.cpp
sources/APU/DSP/Echo.cpp
sources/APU/DSP/Envelope.cpp
sources/APU/DSP/Gauss.cpp
sources/APU/DSP/Timer.cpp
sources/APU/DSP/Voice.cpp

Public Member Functions

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ DSP() [1/2]

◆ DSP() [2/2]

◆ ~DSP()

Member Function Documentation

◆ _readRAM()

◆ _writeRAM()

◆ decodeBRR()

◆ echo22()

◆ echo23()

◆ echo24()

◆ echo25()

◆ echo26()

◆ echo27()

◆ echo28()

◆ echo29()

◆ echo30()

◆ getBrr()

◆ getComponent()

◆ getEcho()

◆ getLatch()

◆ getMaster()

◆ getName()

◆ getNoise()

◆ getSamplesCount()

◆ getSize()

◆ getVoices()

◆ interpolate()

◆ loadEcho()

◆ loadFIR()

◆ misc27()

◆ misc28()

◆ misc29()

◆ misc30()

◆ operator=()

◆ outputEcho()

◆ read()

◆ runEnvelope()

◆ timerPoll()

◆ timerTick()

◆ update()

◆ voice1()

◆ voice2()

◆ voice3()

◆ voice3a()

◆ voice3b()

◆ voice3c()

◆ voice4()

◆ voice5()

◆ voice6()

◆ voice7()

◆ voice8()

◆ voice9()

◆ voiceOutput()

◆ write()

◆ writeEcho()

Member Data Documentation

◆ _brr

◆ _counterOffset

◆ _echo

◆ _gauss

◆ _latch

◆ _map

◆ _master

◆ _noise

◆ _rateModulus

◆ _renderer

◆ _soundBuffer

◆ _state

◆ _timer

◆ _voices