#include <snes.h>

Collaboration diagram for yaze::app::emu::SNES:

[legend]

Public Member Functions
	SNES ()=default

	~SNES ()=default

void	Init (std::vector< uint8_t > &rom_data)

void	Reset (bool hard=false)

void	RunFrame ()

void	CatchUpApu ()

void	HandleInput ()

void	RunCycle ()

void	RunCycles (int cycles)

void	SyncCycles (bool start, int sync_cycles)

uint8_t	ReadBBus (uint8_t adr)

uint8_t	ReadReg (uint16_t adr)

uint8_t	Rread (uint32_t adr)

uint8_t	Read (uint32_t adr)

void	WriteBBus (uint8_t adr, uint8_t val)

void	WriteReg (uint16_t adr, uint8_t val)

void	Write (uint32_t adr, uint8_t val)

int	GetAccessTime (uint32_t adr)

uint8_t	CpuRead (uint32_t adr)

void	CpuWrite (uint32_t adr, uint8_t val)

void	CpuIdle (bool waiting)

void	SetSamples (int16_t *sample_data, int wanted_samples)

void	SetPixels (uint8_t *pixel_data)

void	SetButtonState (int player, int button, bool pressed)

bool	running () const

auto	cpu () -> Cpu &

auto	ppu () -> video::Ppu &

auto	apu () -> audio::Apu &

auto	Memory () -> memory::MemoryImpl &

auto	get_ram () -> uint8_t *

auto	mutable_cycles () -> uint64_t &

void	InitAccessTime (bool recalc)

Public Attributes
std::vector< uint8_t >	access_time

Private Attributes
ClockImpl	clock_

Debugger	debugger

memory::MemoryImpl	memory_

memory::CpuCallbacks	cpu_callbacks_

Cpu	cpu_ {memory_, clock_, cpu_callbacks_}

video::Ppu	ppu_ {memory_, clock_}

audio::Apu	apu_ {memory_}

std::vector< uint8_t >	rom_data

bool	running_ = false

uint8_t	ram [0x20000]

uint32_t	ram_adr_

uint32_t	frames_ = 0

uint64_t	cycles_ = 0

uint64_t	sync_cycle_ = 0

double	apu_catchup_cycles_

uint32_t	next_horiz_event

bool	h_irq_enabled_ = false

bool	v_irq_enabled_ = false

bool	nmi_enabled_ = false

uint16_t	h_timer_ = 0

uint16_t	v_timer_ = 0

bool	in_nmi_ = false

bool	irq_condition_ = false

bool	in_irq_ = false

bool	in_vblank_

uint8_t	multiply_a_

uint16_t	multiply_result_

uint16_t	divide_a_

uint16_t	divide_result_

Input	input1

Input	input2

uint16_t	port_auto_read_ [4]

bool	auto_joy_read_ = false

uint16_t	auto_joy_timer_ = 0

bool	ppu_latch_

bool	fast_mem_ = false

Detailed Description

Definition at line 31 of file snes.h.

Constructor & Destructor Documentation

◆ SNES()

yaze::app::emu::SNES::SNES ( )

default

◆ ~SNES()

yaze::app::emu::SNES::~SNES ( )

default

Member Function Documentation

◆ Init()

void yaze::app::emu::SNES::Init ( std::vector< uint8_t > & rom_data )

Definition at line 37 of file snes.cc.

References apu_, yaze::app::emu::audio::Apu::Init(), yaze::app::emu::video::Ppu::Init(), yaze::app::emu::memory::MemoryImpl::Initialize(), memory_, ppu_, Reset(), rom_data, and running_.

Referenced by main(), yaze::app::emu::Emulator::RenderNavBar(), and yaze::app::emu::Emulator::Run().

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◆ Reset()

void yaze::app::emu::SNES::Reset ( bool hard = false )

Definition at line 49 of file snes.cc.

References apu_, apu_catchup_cycles_, auto_joy_read_, auto_joy_timer_, cpu_, cycles_, divide_a_, divide_result_, fast_mem_, frames_, h_irq_enabled_, h_timer_, in_irq_, in_nmi_, in_vblank_, InitAccessTime(), input1, input2, irq_condition_, yaze::app::emu::Input::latch_line_, yaze::app::emu::Input::latched_state_, memory_, multiply_a_, multiply_result_, next_horiz_event, nmi_enabled_, port_auto_read_, ppu_, ppu_latch_, ram, ram_adr_, yaze::app::emu::audio::Apu::Reset(), yaze::app::emu::Cpu::Reset(), yaze::app::emu::memory::dma::Reset(), yaze::app::emu::video::Ppu::Reset(), yaze::app::emu::memory::MemoryImpl::set_h_pos(), yaze::app::emu::memory::MemoryImpl::set_open_bus(), yaze::app::emu::memory::MemoryImpl::set_v_pos(), sync_cycle_, v_irq_enabled_, and v_timer_.

Referenced by Init(), and yaze::app::emu::Emulator::RenderNavBar().

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◆ RunFrame()

void yaze::app::emu::SNES::RunFrame ( )

Definition at line 89 of file snes.cc.

References cpu_, frames_, in_vblank_, and yaze::app::emu::Cpu::RunOpcode().

Referenced by main(), and yaze::app::emu::Emulator::Run().

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◆ CatchUpApu()

void yaze::app::emu::SNES::CatchUpApu ( )

Definition at line 99 of file snes.cc.

References apu_, cycles_, and yaze::app::emu::audio::Apu::RunCycles().

Referenced by ReadBBus(), RunCycle(), and WriteBBus().

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◆ HandleInput()

void yaze::app::emu::SNES::HandleInput ( )

Definition at line 101 of file snes.cc.

References input1, input2, and port_auto_read_.

Referenced by RunCycle().

◆ RunCycle()

void yaze::app::emu::SNES::RunCycle ( )

Todo: this starts a little after start of vblank

Definition at line 118 of file snes.cc.

References apu_, auto_joy_read_, auto_joy_timer_, CatchUpApu(), yaze::app::emu::video::Ppu::CheckOverscan(), cpu_, cycles_, yaze::app::emu::audio::Apu::dsp(), yaze::app::emu::video::Ppu::even_frame, yaze::app::emu::video::Ppu::frame_interlace, frames_, h_irq_enabled_, yaze::app::emu::memory::MemoryImpl::h_pos(), h_timer_, yaze::app::emu::video::Ppu::HandleFrameStart(), HandleInput(), yaze::app::emu::video::Ppu::HandleVblank(), in_irq_, in_nmi_, in_vblank_, yaze::app::emu::memory::MemoryImpl::init_hdma_request(), irq_condition_, memory_, next_horiz_event, yaze::app::emu::Cpu::Nmi(), nmi_enabled_, yaze::app::emu::memory::MemoryImpl::pal_timing(), ppu_, yaze::app::emu::memory::MemoryImpl::run_hdma_request(), yaze::app::emu::video::Ppu::RunLine(), yaze::app::emu::memory::MemoryImpl::set_h_pos(), yaze::app::emu::memory::MemoryImpl::set_v_pos(), yaze::app::emu::Cpu::SetIrq(), v_irq_enabled_, yaze::app::emu::memory::MemoryImpl::v_pos(), and v_timer_.

Referenced by RunCycles().

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◆ RunCycles()

void yaze::app::emu::SNES::RunCycles ( int cycles )

Definition at line 233 of file snes.cc.

References yaze::app::emu::memory::MemoryImpl::h_pos(), memory_, and RunCycle().

Referenced by CpuIdle(), CpuRead(), CpuWrite(), yaze::app::emu::memory::dma::DoHdma(), yaze::app::emu::memory::dma::InitHdma(), SyncCycles(), and yaze::app::emu::memory::dma::WaitCycle().

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◆ SyncCycles()

void yaze::app::emu::SNES::SyncCycles	(	bool	start,
		int	sync_cycles )

Definition at line 243 of file snes.cc.

References cycles_, RunCycles(), and sync_cycle_.

Referenced by yaze::app::emu::memory::dma::DoDma(), yaze::app::emu::memory::dma::DoHdma(), and yaze::app::emu::memory::dma::InitHdma().

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◆ ReadBBus()

uint8_t yaze::app::emu::SNES::ReadBBus ( uint8_t adr )

Definition at line 254 of file snes.cc.

References apu_, CatchUpApu(), memory_, yaze::app::emu::memory::MemoryImpl::open_bus(), yaze::app::emu::audio::Apu::out_ports_, ppu_, ppu_latch_, ram, ram_adr_, and yaze::app::emu::video::Ppu::Read().

Referenced by Rread(), and yaze::app::emu::memory::dma::TransferByte().

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◆ ReadReg()

uint8_t yaze::app::emu::SNES::ReadReg ( uint16_t adr )

Definition at line 270 of file snes.cc.

References auto_joy_timer_, cpu_, divide_result_, yaze::app::emu::memory::MemoryImpl::h_pos(), in_irq_, in_nmi_, in_vblank_, memory_, multiply_result_, yaze::app::emu::memory::MemoryImpl::open_bus(), port_auto_read_, ppu_latch_, and yaze::app::emu::Cpu::SetIrq().

Referenced by Rread().

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◆ Rread()

uint8_t yaze::app::emu::SNES::Rread ( uint32_t adr )

Definition at line 323 of file snes.cc.

References yaze::app::emu::memory::MemoryImpl::cart_read(), input1, input2, memory_, yaze::app::emu::memory::MemoryImpl::open_bus(), ram, yaze::app::emu::memory::dma::Read(), ReadBBus(), and ReadReg().

Referenced by Read().

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◆ Read()

uint8_t yaze::app::emu::SNES::Read ( uint32_t adr )

Definition at line 353 of file snes.cc.

References memory_, Rread(), and yaze::app::emu::memory::MemoryImpl::set_open_bus().

Referenced by CpuRead(), yaze::app::emu::memory::dma::DoHdma(), yaze::app::emu::memory::dma::InitHdma(), and yaze::app::emu::memory::dma::TransferByte().

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◆ WriteBBus()

void yaze::app::emu::SNES::WriteBBus	(	uint8_t	adr,
		uint8_t	val )

Definition at line 359 of file snes.cc.

References apu_, CatchUpApu(), yaze::app::emu::audio::Apu::in_ports_, ppu_, ram, ram_adr_, and yaze::app::emu::video::Ppu::Write().

Referenced by yaze::app::emu::memory::dma::TransferByte(), and Write().

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◆ WriteReg()

void yaze::app::emu::SNES::WriteReg	(	uint16_t	adr,
		uint8_t	val )

Definition at line 390 of file snes.cc.

References auto_joy_read_, auto_joy_timer_, cpu_, divide_a_, divide_result_, fast_mem_, h_irq_enabled_, h_timer_, in_irq_, in_nmi_, yaze::app::emu::video::Ppu::LatchHV(), memory_, multiply_a_, multiply_result_, yaze::app::emu::Cpu::Nmi(), nmi_enabled_, ppu_, ppu_latch_, yaze::app::emu::Cpu::set_int_delay(), yaze::app::emu::Cpu::SetIrq(), yaze::app::emu::memory::dma::StartDma(), v_irq_enabled_, and v_timer_.

Referenced by Write().

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◆ Write()

void yaze::app::emu::SNES::Write	(	uint32_t	adr,
		uint8_t	val )

Definition at line 477 of file snes.cc.

References yaze::app::emu::memory::MemoryImpl::cart_write(), input1, input2, memory_, ram, yaze::app::emu::memory::MemoryImpl::set_open_bus(), yaze::app::emu::memory::dma::Write(), WriteBBus(), and WriteReg().

Referenced by CpuWrite(), and yaze::app::emu::memory::dma::TransferByte().

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◆ GetAccessTime()

int yaze::app::emu::SNES::GetAccessTime ( uint32_t adr )

Definition at line 507 of file snes.cc.

References fast_mem_.

Referenced by InitAccessTime().

◆ CpuRead()

uint8_t yaze::app::emu::SNES::CpuRead ( uint32_t adr )

Definition at line 521 of file snes.cc.

References access_time, cpu_, yaze::app::emu::memory::dma::HandleDma(), memory_, Read(), RunCycles(), and yaze::app::emu::Cpu::set_int_delay().

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◆ CpuWrite()

void yaze::app::emu::SNES::CpuWrite	(	uint32_t	adr,
		uint8_t	val )

Definition at line 532 of file snes.cc.

References access_time, cpu_, yaze::app::emu::memory::dma::HandleDma(), memory_, RunCycles(), yaze::app::emu::Cpu::set_int_delay(), and Write().

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◆ CpuIdle()

void yaze::app::emu::SNES::CpuIdle ( bool waiting )

Definition at line 540 of file snes.cc.

References cpu_, yaze::app::emu::memory::dma::HandleDma(), memory_, RunCycles(), and yaze::app::emu::Cpu::set_int_delay().

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◆ SetSamples()

void yaze::app::emu::SNES::SetSamples	(	int16_t *	sample_data,
		int	wanted_samples )

Definition at line 546 of file snes.cc.

References apu_, yaze::app::emu::audio::Apu::dsp(), memory_, and yaze::app::emu::memory::MemoryImpl::pal_timing().

Referenced by main(), and yaze::app::emu::Emulator::Run().

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◆ SetPixels()

void yaze::app::emu::SNES::SetPixels ( uint8_t * pixel_data )

Definition at line 550 of file snes.cc.

References ppu_, and yaze::app::emu::video::Ppu::PutPixels().

Referenced by main(), and yaze::app::emu::Emulator::Run().

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◆ SetButtonState()

void yaze::app::emu::SNES::SetButtonState	(	int	player,
		int	button,
		bool	pressed )

Definition at line 552 of file snes.cc.

References yaze::app::emu::Input::current_state_, input1, and input2.

◆ running()

bool yaze::app::emu::SNES::running ( ) const

inline

Definition at line 69 of file snes.h.

References running_.

Referenced by yaze::app::emu::Emulator::RenderSnesPpu(), and yaze::app::emu::Emulator::Run().

◆ cpu()

auto yaze::app::emu::SNES::cpu ( ) -> Cpu&

inline

Definition at line 70 of file snes.h.

References cpu_.

Referenced by yaze::app::emu::memory::dma::DoDma(), yaze::app::emu::memory::dma::DoHdma(), yaze::app::emu::Emulator::Emulator(), yaze::app::emu::memory::dma::InitHdma(), yaze::app::emu::Emulator::RenderBreakpointList(), and yaze::app::emu::Emulator::RenderNavBar().

◆ ppu()

auto yaze::app::emu::SNES::ppu ( ) -> video::Ppu&

inline

Definition at line 71 of file snes.h.

References ppu_.

◆ apu()

auto yaze::app::emu::SNES::apu ( ) -> audio::Apu&

inline

Definition at line 72 of file snes.h.

References apu_.

Referenced by yaze::app::emu::Emulator::Emulator(), yaze::app::emu::Emulator::RenderBreakpointList(), and yaze::app::emu::Emulator::RenderMemoryViewer().

◆ Memory()

auto yaze::app::emu::SNES::Memory ( ) -> memory::MemoryImpl&

inline

Definition at line 73 of file snes.h.

References memory_.

Referenced by yaze::app::emu::Emulator::Emulator(), main(), yaze::app::emu::Emulator::RenderMemoryViewer(), and yaze::app::emu::Emulator::Run().

◆ get_ram()

auto yaze::app::emu::SNES::get_ram ( ) -> uint8_t*

inline

Definition at line 74 of file snes.h.

References ram.

Referenced by yaze::app::emu::Emulator::RenderMemoryViewer().

◆ mutable_cycles()

auto yaze::app::emu::SNES::mutable_cycles ( ) -> uint64_t&

inline

Definition at line 75 of file snes.h.

References cycles_.

Referenced by yaze::app::emu::Emulator::Emulator().

◆ InitAccessTime()

void yaze::app::emu::SNES::InitAccessTime ( bool recalc )

Definition at line 569 of file snes.cc.

References access_time, and GetAccessTime().

Referenced by Reset().

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Member Data Documentation

◆ access_time

std::vector<uint8_t> yaze::app::emu::SNES::access_time

Definition at line 78 of file snes.h.

Referenced by CpuRead(), CpuWrite(), and InitAccessTime().

◆ clock_

ClockImpl yaze::app::emu::SNES::clock_

private

Definition at line 82 of file snes.h.

◆ debugger

Debugger yaze::app::emu::SNES::debugger

private

Definition at line 83 of file snes.h.

◆ memory_

memory::MemoryImpl yaze::app::emu::SNES::memory_

private

Definition at line 84 of file snes.h.

Referenced by CpuIdle(), CpuRead(), CpuWrite(), Init(), Memory(), Read(), ReadBBus(), ReadReg(), Reset(), Rread(), RunCycle(), RunCycles(), SetSamples(), Write(), and WriteReg().

◆ cpu_callbacks_

memory::CpuCallbacks yaze::app::emu::SNES::cpu_callbacks_

private

Initial value:

= {
      [&](uint32_t adr) { return CpuRead(adr); },
      [&](uint32_t adr, uint8_t val) { CpuWrite(adr, val); },
      [&](bool waiting) { CpuIdle(waiting); },
  }

Definition at line 86 of file snes.h.

◆ cpu_

Cpu yaze::app::emu::SNES::cpu_ {memory_, clock_, cpu_callbacks_}

private

Definition at line 91 of file snes.h.

Referenced by cpu(), CpuIdle(), CpuRead(), CpuWrite(), ReadReg(), Reset(), RunCycle(), RunFrame(), and WriteReg().

◆ ppu_

video::Ppu yaze::app::emu::SNES::ppu_ {memory_, clock_}

private

Definition at line 92 of file snes.h.

Referenced by Init(), ppu(), ReadBBus(), Reset(), RunCycle(), SetPixels(), WriteBBus(), and WriteReg().

◆ apu_

audio::Apu yaze::app::emu::SNES::apu_ {memory_}

private

Definition at line 93 of file snes.h.

Referenced by apu(), CatchUpApu(), Init(), ReadBBus(), Reset(), RunCycle(), SetSamples(), and WriteBBus().

◆ rom_data

std::vector<uint8_t> yaze::app::emu::SNES::rom_data

private

Definition at line 96 of file snes.h.

Referenced by Init().

◆ running_

bool yaze::app::emu::SNES::running_ = false

private

Definition at line 99 of file snes.h.

Referenced by Init(), and running().

◆ ram

uint8_t yaze::app::emu::SNES::ram[0x20000]

private

Definition at line 102 of file snes.h.

Referenced by get_ram(), ReadBBus(), Reset(), Rread(), Write(), and WriteBBus().

◆ ram_adr_

uint32_t yaze::app::emu::SNES::ram_adr_

private

Definition at line 103 of file snes.h.

Referenced by ReadBBus(), Reset(), and WriteBBus().

◆ frames_

uint32_t yaze::app::emu::SNES::frames_ = 0

private

Definition at line 106 of file snes.h.

Referenced by Reset(), RunCycle(), and RunFrame().

◆ cycles_

uint64_t yaze::app::emu::SNES::cycles_ = 0

private

Definition at line 107 of file snes.h.

Referenced by CatchUpApu(), mutable_cycles(), Reset(), RunCycle(), and SyncCycles().

◆ sync_cycle_

uint64_t yaze::app::emu::SNES::sync_cycle_ = 0

private

Definition at line 108 of file snes.h.

Referenced by Reset(), and SyncCycles().

◆ apu_catchup_cycles_

double yaze::app::emu::SNES::apu_catchup_cycles_

private

Definition at line 109 of file snes.h.

Referenced by Reset().

◆ next_horiz_event

uint32_t yaze::app::emu::SNES::next_horiz_event

private

Definition at line 110 of file snes.h.

Referenced by Reset(), and RunCycle().

◆ h_irq_enabled_

bool yaze::app::emu::SNES::h_irq_enabled_ = false

private

Definition at line 113 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ v_irq_enabled_

bool yaze::app::emu::SNES::v_irq_enabled_ = false

private

Definition at line 114 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ nmi_enabled_

bool yaze::app::emu::SNES::nmi_enabled_ = false

private

Definition at line 115 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ h_timer_

uint16_t yaze::app::emu::SNES::h_timer_ = 0

private

Definition at line 116 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ v_timer_

uint16_t yaze::app::emu::SNES::v_timer_ = 0

private

Definition at line 117 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ in_nmi_

bool yaze::app::emu::SNES::in_nmi_ = false

private

Definition at line 118 of file snes.h.

Referenced by ReadReg(), Reset(), RunCycle(), and WriteReg().

◆ irq_condition_

bool yaze::app::emu::SNES::irq_condition_ = false

private

Definition at line 119 of file snes.h.

Referenced by Reset(), and RunCycle().

◆ in_irq_

bool yaze::app::emu::SNES::in_irq_ = false

private

Definition at line 120 of file snes.h.

Referenced by ReadReg(), Reset(), RunCycle(), and WriteReg().

◆ in_vblank_

bool yaze::app::emu::SNES::in_vblank_

private

Definition at line 121 of file snes.h.

Referenced by ReadReg(), Reset(), RunCycle(), and RunFrame().

◆ multiply_a_

uint8_t yaze::app::emu::SNES::multiply_a_

private

Definition at line 124 of file snes.h.

Referenced by Reset(), and WriteReg().

◆ multiply_result_

uint16_t yaze::app::emu::SNES::multiply_result_

private

Definition at line 125 of file snes.h.

Referenced by ReadReg(), Reset(), and WriteReg().

◆ divide_a_

uint16_t yaze::app::emu::SNES::divide_a_

private

Definition at line 126 of file snes.h.

Referenced by Reset(), and WriteReg().

◆ divide_result_

uint16_t yaze::app::emu::SNES::divide_result_

private

Definition at line 127 of file snes.h.

Referenced by ReadReg(), Reset(), and WriteReg().

◆ input1

Input yaze::app::emu::SNES::input1

private

Definition at line 130 of file snes.h.

Referenced by HandleInput(), Reset(), Rread(), SetButtonState(), and Write().

◆ input2

Input yaze::app::emu::SNES::input2

private

Definition at line 131 of file snes.h.

Referenced by HandleInput(), Reset(), Rread(), SetButtonState(), and Write().

◆ port_auto_read_

uint16_t yaze::app::emu::SNES::port_auto_read_[4]

private

Definition at line 132 of file snes.h.

Referenced by HandleInput(), ReadReg(), and Reset().

◆ auto_joy_read_

bool yaze::app::emu::SNES::auto_joy_read_ = false

private

Definition at line 133 of file snes.h.

Referenced by Reset(), RunCycle(), and WriteReg().

◆ auto_joy_timer_

uint16_t yaze::app::emu::SNES::auto_joy_timer_ = 0

private

Definition at line 134 of file snes.h.

Referenced by ReadReg(), Reset(), RunCycle(), and WriteReg().

◆ ppu_latch_

bool yaze::app::emu::SNES::ppu_latch_

private

Definition at line 135 of file snes.h.

Referenced by ReadBBus(), ReadReg(), Reset(), and WriteReg().

◆ fast_mem_

bool yaze::app::emu::SNES::fast_mem_ = false

private

Definition at line 137 of file snes.h.

Referenced by GetAccessTime(), Reset(), and WriteReg().

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

src/app/emu/snes.h
src/app/emu/snes.cc

	yaze 0.2.0 Link to the Past ROM Editor

Public Member Functions

Public Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ SNES()

◆ ~SNES()

Member Function Documentation

◆ Init()

◆ Reset()

◆ RunFrame()

◆ CatchUpApu()

◆ HandleInput()

◆ RunCycle()

◆ RunCycles()

◆ SyncCycles()

◆ ReadBBus()

◆ ReadReg()

◆ Rread()

◆ Read()

◆ WriteBBus()

◆ WriteReg()

◆ Write()

◆ GetAccessTime()

◆ CpuRead()

◆ CpuWrite()

◆ CpuIdle()

◆ SetSamples()

◆ SetPixels()

◆ SetButtonState()

◆ running()

◆ cpu()

◆ ppu()

◆ apu()

◆ Memory()

◆ get_ram()

◆ mutable_cycles()

◆ InitAccessTime()

Member Data Documentation

◆ access_time

◆ clock_

◆ debugger

◆ memory_

◆ cpu_callbacks_

◆ cpu_

◆ ppu_

◆ apu_

◆ rom_data

◆ running_

◆ ram

◆ ram_adr_

◆ frames_

◆ cycles_

◆ sync_cycle_

◆ apu_catchup_cycles_

◆ next_horiz_event

◆ h_irq_enabled_

◆ v_irq_enabled_

◆ nmi_enabled_

◆ h_timer_

◆ v_timer_

◆ in_nmi_

◆ irq_condition_

◆ in_irq_

◆ in_vblank_

◆ multiply_a_

◆ multiply_result_

◆ divide_a_

◆ divide_result_

◆ input1

◆ input2

◆ port_auto_read_

◆ auto_joy_read_

◆ auto_joy_timer_

◆ ppu_latch_

◆ fast_mem_