openMSX: openmsx::V9990VRAM Class Reference

openMSX

Video RAM for the V9990. More...

#include <V9990VRAM.hh>

Public Member Functions
	V9990VRAM (V9990 &vdp, EmuTime::param time)
	Construct V9990 VRAM.

void	clear ()

void	sync (EmuTime::param time)
	Update VRAM state to specified moment in time.

byte	readVRAMBx (unsigned address) const

byte	readVRAMP1 (unsigned address) const

byte	readVRAMP2 (unsigned address) const

void	writeVRAMBx (unsigned address, byte value)

void	writeVRAMP1 (unsigned address, byte value)

void	writeVRAMP2 (unsigned address, byte value)

byte	readVRAMDirect (unsigned address) const

void	writeVRAMDirect (unsigned address, byte value)

byte	readVRAMCPU (unsigned address, EmuTime::param time)

void	writeVRAMCPU (unsigned address, byte val, EmuTime::param time)

void	setCmdEngine (V9990CmdEngine &cmdEngine_)

template<typename Archive >
void	serialize (Archive &ar, unsigned version)

Static Public Member Functions
static unsigned	transformBx (unsigned address)

static unsigned	transformP1 (unsigned address)

static unsigned	transformP2 (unsigned address)

Static Public Attributes
static constexpr unsigned	VRAM_SIZE = 512 * 1024
	VRAM Size.

Detailed Description

Video RAM for the V9990.

Definition at line 16 of file V9990VRAM.hh.

Constructor & Destructor Documentation

◆ V9990VRAM()

openmsx::V9990VRAM::V9990VRAM	(	V9990 &	vdp,
		EmuTime::param	time
	)

Construct V9990 VRAM.

Parameters

vdp	The V9990 vdp this VRAM belongs to
time	Moment in time to create the VRAM

Definition at line 9 of file V9990VRAM.cc.

Member Function Documentation

◆ clear()

void openmsx::V9990VRAM::clear ( )

Definition at line 16 of file V9990VRAM.cc.

References ranges::fill(), and openmsx::TrackedRam::getWriteBackdoor().

Referenced by openmsx::V9990::powerUp().

◆ readVRAMBx()

byte openmsx::V9990VRAM::readVRAMBx ( unsigned address ) const

inline

Definition at line 55 of file V9990VRAM.hh.

References transformBx().

Referenced by openmsx::CursorInfo::CursorInfo(), and openmsx::P2Policy::readPatternTable().

◆ readVRAMCPU()

byte openmsx::V9990VRAM::readVRAMCPU	(	unsigned	address,
		EmuTime::param	time
	)

Definition at line 41 of file V9990VRAM.cc.

References sync().

Referenced by openmsx::V9990::readIO(), and openmsx::V9990::serialize().

◆ readVRAMDirect()

byte openmsx::V9990VRAM::readVRAMDirect ( unsigned address ) const

inline

Definition at line 75 of file V9990VRAM.hh.

Referenced by openmsx::P2Policy::readNameTable(), and openmsx::P2Policy::readSpriteAttr().

◆ readVRAMP1()

byte openmsx::V9990VRAM::readVRAMP1 ( unsigned address ) const

inline

Definition at line 58 of file V9990VRAM.hh.

References transformP1().

Referenced by openmsx::P1Policy::readNameTable(), openmsx::P1Policy::readPatternTable(), and openmsx::P1Policy::readSpriteAttr().

◆ readVRAMP2()

byte openmsx::V9990VRAM::readVRAMP2 ( unsigned address ) const

inline

Definition at line 61 of file V9990VRAM.hh.

References transformP2().

◆ serialize()

template<typename Archive >

void openmsx::V9990VRAM::serialize	(	Archive &	ar,
		unsigned	version
	)

Definition at line 55 of file V9990VRAM.cc.

◆ setCmdEngine()

void openmsx::V9990VRAM::setCmdEngine ( V9990CmdEngine & cmdEngine_ )

inline

Definition at line 85 of file V9990VRAM.hh.

◆ sync()

void openmsx::V9990VRAM::sync ( EmuTime::param time )

inline

Update VRAM state to specified moment in time.

Parameters

time	Moment in emulated time to synchronize VRAM to

Definition at line 34 of file V9990VRAM.hh.

References openmsx::V9990CmdEngine::sync().

Referenced by readVRAMCPU(), and writeVRAMCPU().

◆ transformBx()

static unsigned openmsx::V9990VRAM::transformBx ( unsigned address )

inlinestatic

Definition at line 38 of file V9990VRAM.hh.

Referenced by readVRAMBx(), transformP2(), and writeVRAMBx().

◆ transformP1()

static unsigned openmsx::V9990VRAM::transformP1 ( unsigned address )

inlinestatic

Definition at line 41 of file V9990VRAM.hh.

Referenced by readVRAMP1(), and writeVRAMP1().

◆ transformP2()

static unsigned openmsx::V9990VRAM::transformP2 ( unsigned address )

inlinestatic

Definition at line 44 of file V9990VRAM.hh.

References transformBx().

Referenced by readVRAMP2(), and writeVRAMP2().

◆ writeVRAMBx()

void openmsx::V9990VRAM::writeVRAMBx	(	unsigned	address,
		byte	value
	)

inline

Definition at line 65 of file V9990VRAM.hh.

References transformBx(), and openmsx::TrackedRam::write().

◆ writeVRAMCPU()

void openmsx::V9990VRAM::writeVRAMCPU	(	unsigned	address,
		byte	val,
		EmuTime::param	time
	)

Definition at line 48 of file V9990VRAM.cc.

References sync(), and openmsx::TrackedRam::write().

Referenced by openmsx::V9990::writeIO().

◆ writeVRAMDirect()

void openmsx::V9990VRAM::writeVRAMDirect	(	unsigned	address,
		byte	value
	)

inline

Definition at line 78 of file V9990VRAM.hh.

References openmsx::TrackedRam::write().

◆ writeVRAMP1()

void openmsx::V9990VRAM::writeVRAMP1	(	unsigned	address,
		byte	value
	)

inline

Definition at line 68 of file V9990VRAM.hh.

References transformP1(), and openmsx::TrackedRam::write().

◆ writeVRAMP2()

void openmsx::V9990VRAM::writeVRAMP2	(	unsigned	address,
		byte	value
	)

inline

Definition at line 71 of file V9990VRAM.hh.

References transformP2(), and openmsx::TrackedRam::write().

Member Data Documentation

◆ VRAM_SIZE

constexpr unsigned openmsx::V9990VRAM::VRAM_SIZE = 512 * 1024

staticconstexpr

VRAM Size.

Definition at line 21 of file V9990VRAM.hh.

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