This class implements a not connected disk drive. More...

#include <DiskDrive.hh>

Inheritance diagram for openmsx::DummyDrive:

Collaboration diagram for openmsx::DummyDrive:

Public Member Functions
bool	isDiskInserted () const override
	Is drive ready?

bool	isWriteProtected () const override
	Is disk write protected?

bool	isDoubleSided () override
	Is disk double sided?

bool	isTrack00 () const override
	Head above track 0.

void	setSide (bool side) override
	Side select.

bool	getSide () const override

void	step (bool direction, EmuTime::param time) override
	Step head.

void	setMotor (bool status, EmuTime::param time) override
	Set motor on/off.

bool	getMotor () const override
	Returns the previously set motor status.

bool	indexPulse (EmuTime::param time) override
	Gets the state of the index pulse.

EmuTime	getTimeTillIndexPulse (EmuTime::param time, int count) override
	Return the time till the start of the next index pulse When there is no disk in the drive or when the disk is not spinning, this function returns the current time.

unsigned	getTrackLength () override

void	writeTrackByte (int idx, uint8_t val, bool addIdam) override

uint8_t	readTrackByte (int idx) override

EmuTime	getNextSector (EmuTime::param time, RawTrack::Sector &sector) override

void	flushTrack () override

bool	diskChanged () override
	Is disk changed?

bool	peekDiskChanged () const override

bool	isDummyDrive () const override
	Is there a dummy (unconnected) drive?

void	applyWd2793ReadTrackQuirk () override
	See RawTrack::applyWd2793ReadTrackQuirk()

void	invalidateWd2793ReadTrackQuirk () override

Public Member Functions inherited from openmsx::DiskDrive
virtual	~DiskDrive ()=default

Additional Inherited Members
Public Types inherited from openmsx::DiskDrive
enum class	TrackMode { NORMAL , YAMAHA_FD_03 }

Static Public Attributes inherited from openmsx::DiskDrive
static constexpr unsigned	ROTATIONS_PER_SECOND = 5

Detailed Description

This class implements a not connected disk drive.

Definition at line 105 of file DiskDrive.hh.

Member Function Documentation

◆ applyWd2793ReadTrackQuirk()

void openmsx::DummyDrive::applyWd2793ReadTrackQuirk ( )

overridevirtual

See RawTrack::applyWd2793ReadTrackQuirk()

Implements openmsx::DiskDrive.

Definition at line 103 of file DiskDrive.cc.

◆ diskChanged()

bool openmsx::DummyDrive::diskChanged ( )

overridevirtual

Is disk changed?

Implements openmsx::DiskDrive.

Definition at line 88 of file DiskDrive.cc.

◆ flushTrack()

void openmsx::DummyDrive::flushTrack ( )

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 83 of file DiskDrive.cc.

◆ getMotor()

bool openmsx::DummyDrive::getMotor ( ) const

overridevirtual

Returns the previously set motor status.

Implements openmsx::DiskDrive.

Definition at line 48 of file DiskDrive.cc.

◆ getNextSector()

EmuTime openmsx::DummyDrive::getNextSector	(	EmuTime::param	time,
		RawTrack::Sector &	sector
	)

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 78 of file DiskDrive.cc.

◆ getSide()

bool openmsx::DummyDrive::getSide ( ) const

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 33 of file DiskDrive.cc.

◆ getTimeTillIndexPulse()

EmuTime openmsx::DummyDrive::getTimeTillIndexPulse	(	EmuTime::param	time,
		int	count
	)

overridevirtual

Return the time till the start of the next index pulse When there is no disk in the drive or when the disk is not spinning, this function returns the current time.

Parameters

time	The current time
count	Number of required index pulses.

Implements openmsx::DiskDrive.

Definition at line 58 of file DiskDrive.cc.

◆ getTrackLength()

unsigned openmsx::DummyDrive::getTrackLength ( )

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 63 of file DiskDrive.cc.

References openmsx::RawTrack::STANDARD_SIZE.

◆ indexPulse()

bool openmsx::DummyDrive::indexPulse ( EmuTime::param time )

overridevirtual

Gets the state of the index pulse.

Parameters

time	The moment in emulated time to get the pulse state for.

Implements openmsx::DiskDrive.

Definition at line 53 of file DiskDrive.cc.

◆ invalidateWd2793ReadTrackQuirk()

void openmsx::DummyDrive::invalidateWd2793ReadTrackQuirk ( )

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 108 of file DiskDrive.cc.

◆ isDiskInserted()

bool openmsx::DummyDrive::isDiskInserted ( ) const

overridevirtual

Is drive ready?

Implements openmsx::DiskDrive.

Definition at line 8 of file DiskDrive.cc.

◆ isDoubleSided()

bool openmsx::DummyDrive::isDoubleSided ( )

overridevirtual

Is disk double sided?

Implements openmsx::DiskDrive.

Definition at line 18 of file DiskDrive.cc.

◆ isDummyDrive()

bool openmsx::DummyDrive::isDummyDrive ( ) const

overridevirtual

Is there a dummy (unconnected) drive?

Implements openmsx::DiskDrive.

Definition at line 98 of file DiskDrive.cc.

◆ isTrack00()

bool openmsx::DummyDrive::isTrack00 ( ) const

overridevirtual

Head above track 0.

Implements openmsx::DiskDrive.

Definition at line 23 of file DiskDrive.cc.

◆ isWriteProtected()

bool openmsx::DummyDrive::isWriteProtected ( ) const

overridevirtual

Is disk write protected?

Implements openmsx::DiskDrive.

Definition at line 13 of file DiskDrive.cc.

◆ peekDiskChanged()

bool openmsx::DummyDrive::peekDiskChanged ( ) const

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 93 of file DiskDrive.cc.

◆ readTrackByte()

uint8_t openmsx::DummyDrive::readTrackByte ( int idx )

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 73 of file DiskDrive.cc.

◆ setMotor()

void openmsx::DummyDrive::setMotor	(	bool	status,
		EmuTime::param	time
	)

overridevirtual

Set motor on/off.

Parameters

status	false = off, true = on.
time	The moment in emulated time this action takes place.

Implements openmsx::DiskDrive.

Definition at line 43 of file DiskDrive.cc.

◆ setSide()

void openmsx::DummyDrive::setSide ( bool side )

overridevirtual

Side select.

Parameters

side	false = side 0, true = side 1.

Implements openmsx::DiskDrive.

Definition at line 28 of file DiskDrive.cc.

◆ step()

void openmsx::DummyDrive::step	(	bool	direction,
		EmuTime::param	time
	)

overridevirtual

Step head.

Parameters

direction	false = out, true = in.
time	The moment in emulated time this action takes place.

Implements openmsx::DiskDrive.

Definition at line 38 of file DiskDrive.cc.

◆ writeTrackByte()

void openmsx::DummyDrive::writeTrackByte	(	int	idx,
		uint8_t	val,
		bool	addIdam
	)

overridevirtual

Implements openmsx::DiskDrive.

Definition at line 68 of file DiskDrive.cc.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ applyWd2793ReadTrackQuirk()

◆ diskChanged()

◆ flushTrack()

◆ getMotor()

◆ getNextSector()

◆ getSide()

◆ getTimeTillIndexPulse()

◆ getTrackLength()

◆ indexPulse()

◆ invalidateWd2793ReadTrackQuirk()

◆ isDiskInserted()

◆ isDoubleSided()

◆ isDummyDrive()

◆ isTrack00()

◆ isWriteProtected()

◆ peekDiskChanged()

◆ readTrackByte()

◆ setMotor()

◆ setSide()

◆ step()

◆ writeTrackByte()