yaze::app::emu::memory::dma Namespace Reference

Functions
void	Reset (MemoryImpl *memory)
uint8_t	Read (MemoryImpl *memory, uint16_t adr)
void	Write (MemoryImpl *memory, uint16_t adr, uint8_t val)
void	DoDma (SNES *snes, MemoryImpl *memory, int cpuCycles)
void	HandleDma (SNES *snes, MemoryImpl *memory, int cpu_cycles)
void	WaitCycle (SNES *snes, MemoryImpl *memory)
void	InitHdma (SNES *snes, MemoryImpl *memory, bool do_sync, int cpu_cycles)
void	DoHdma (SNES *snes, MemoryImpl *memory, bool do_sync, int cycles)
void	TransferByte (SNES *snes, MemoryImpl *memory, uint16_t aAdr, uint8_t aBank, uint8_t bAdr, bool fromB)
void	StartDma (MemoryImpl *memory, uint8_t val, bool hdma)

Function Documentation

Reset()

void yaze::app::emu::memory::dma::Reset

(

MemoryImpl *

memory

)

Definition at line 17 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::dma_channels(), yaze::app::emu::memory::MemoryImpl::set_dma_state(), yaze::app::emu::memory::MemoryImpl::set_hdma_init_requested(), and yaze::app::emu::memory::MemoryImpl::set_hdma_run_requested().

Referenced by yaze::app::emu::SNES::Reset().

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Read()

uint8_t yaze::app::emu::memory::dma::Read	(	MemoryImpl *	memory,
		uint16_t	adr )

Definition at line 44 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::dma_channels(), and yaze::app::emu::memory::MemoryImpl::open_bus().

Referenced by yaze::app::emu::SNES::Rread().

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Write()

void yaze::app::emu::memory::dma::Write	(	MemoryImpl *	memory,
		uint16_t	adr,
		uint8_t	val )

Definition at line 97 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::dma_channels().

Referenced by yaze::app::emu::SNES::Write().

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DoDma()

void yaze::app::emu::memory::dma::DoDma	(	SNES *	snes,
		MemoryImpl *	memory,
		int	cpuCycles )

Definition at line 161 of file dma.cc.

References yaze::app::emu::SNES::cpu(), yaze::app::emu::memory::MemoryImpl::dma_channels(), yaze::app::emu::SNES::SyncCycles(), TransferByte(), and WaitCycle().

Referenced by HandleDma().

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HandleDma()

void yaze::app::emu::memory::dma::HandleDma	(	SNES *	snes,
		MemoryImpl *	memory,
		int	cpu_cycles )

Definition at line 195 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::dma_state(), DoDma(), DoHdma(), yaze::app::emu::memory::MemoryImpl::hdma_init_requested(), yaze::app::emu::memory::MemoryImpl::hdma_run_requested(), InitHdma(), and yaze::app::emu::memory::MemoryImpl::set_dma_state().

Referenced by yaze::app::emu::SNES::CpuIdle(), yaze::app::emu::SNES::CpuRead(), and yaze::app::emu::SNES::CpuWrite().

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WaitCycle()

void yaze::app::emu::memory::dma::WaitCycle	(	SNES *	snes,
		MemoryImpl *	memory )

Definition at line 213 of file dma.cc.

References DoHdma(), yaze::app::emu::memory::MemoryImpl::hdma_init_requested(), yaze::app::emu::memory::MemoryImpl::hdma_run_requested(), InitHdma(), and yaze::app::emu::SNES::RunCycles().

Referenced by DoDma().

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InitHdma()

void yaze::app::emu::memory::dma::InitHdma	(	SNES *	snes,
		MemoryImpl *	memory,
		bool	do_sync,
		int	cpu_cycles )

Definition at line 221 of file dma.cc.

References yaze::app::emu::SNES::cpu(), yaze::app::emu::memory::MemoryImpl::dma_channels(), yaze::app::emu::SNES::Read(), yaze::app::emu::SNES::RunCycles(), yaze::app::emu::memory::MemoryImpl::set_hdma_init_requested(), and yaze::app::emu::SNES::SyncCycles().

Referenced by HandleDma(), and WaitCycle().

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DoHdma()

void yaze::app::emu::memory::dma::DoHdma	(	SNES *	snes,
		MemoryImpl *	memory,
		bool	do_sync,
		int	cycles )

Definition at line 261 of file dma.cc.

References yaze::app::emu::SNES::cpu(), yaze::app::emu::memory::MemoryImpl::dma_channels(), yaze::app::emu::SNES::Read(), yaze::app::emu::SNES::RunCycles(), yaze::app::emu::memory::MemoryImpl::set_hdma_run_requested(), yaze::app::emu::SNES::SyncCycles(), and TransferByte().

Referenced by HandleDma(), and WaitCycle().

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TransferByte()

void yaze::app::emu::memory::dma::TransferByte	(	SNES *	snes,
		MemoryImpl *	memory,
		uint16_t	aAdr,
		uint8_t	aBank,
		uint8_t	bAdr,
		bool	fromB )

Definition at line 336 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::open_bus(), yaze::app::emu::SNES::Read(), yaze::app::emu::SNES::ReadBBus(), yaze::app::emu::SNES::Write(), and yaze::app::emu::SNES::WriteBBus().

Referenced by DoDma(), and DoHdma().

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StartDma()

void yaze::app::emu::memory::dma::StartDma	(	MemoryImpl *	memory,
		uint8_t	val,
		bool	hdma )

Definition at line 358 of file dma.cc.

References yaze::app::emu::memory::MemoryImpl::dma_channels(), and yaze::app::emu::memory::MemoryImpl::set_dma_state().

Referenced by yaze::app::emu::SNES::WriteReg().

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