This (abstract) class defines the DiskDrive interface. More...

#include <DiskDrive.hh>

Inheritance diagram for openmsx::DiskDrive:

[legend]

Public Types
enum class	TrackMode { NORMAL , YAMAHA_FD_03 }

Public Member Functions
virtual	~DiskDrive ()=default

virtual bool	isDiskInserted () const =0
	Is drive ready?

virtual bool	isWriteProtected () const =0
	Is disk write protected?

virtual bool	isDoubleSided ()=0
	Is disk double sided?

virtual bool	isTrack00 () const =0
	Head above track 0.

virtual void	setSide (bool side)=0
	Side select.

virtual bool	getSide () const =0

virtual void	step (bool direction, EmuTime::param time)=0
	Step head.

virtual void	setMotor (bool status, EmuTime::param time)=0
	Set motor on/off.

virtual bool	getMotor () const =0
	Returns the previously set motor status.

virtual bool	indexPulse (EmuTime::param time)=0
	Gets the state of the index pulse.

virtual EmuTime	getTimeTillIndexPulse (EmuTime::param time, int count=1)=0
	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.

virtual unsigned	getTrackLength ()=0

virtual void	writeTrackByte (int idx, uint8_t val, bool addIdam=false)=0

virtual uint8_t	readTrackByte (int idx)=0

virtual EmuTime	getNextSector (EmuTime::param time, RawTrack::Sector &sector)=0

virtual void	flushTrack ()=0

virtual bool	diskChanged ()=0
	Is disk changed?

virtual bool	peekDiskChanged () const =0

virtual bool	isDummyDrive () const =0
	Is there a dummy (unconnected) drive?

virtual void	applyWd2793ReadTrackQuirk ()=0
	See RawTrack::applyWd2793ReadTrackQuirk()

virtual void	invalidateWd2793ReadTrackQuirk ()=0

Static Public Attributes
static constexpr unsigned	ROTATIONS_PER_SECOND = 5

Detailed Description

This (abstract) class defines the DiskDrive interface.

Definition at line 12 of file DiskDrive.hh.

Member Enumeration Documentation

◆ TrackMode

enum class openmsx::DiskDrive::TrackMode

strong

Enumerator
NORMAL
YAMAHA_FD_03

Definition at line 15 of file DiskDrive.hh.

Constructor & Destructor Documentation

◆ ~DiskDrive()

virtual openmsx::DiskDrive::~DiskDrive ( )

virtualdefault

Member Function Documentation

◆ applyWd2793ReadTrackQuirk()

virtual void openmsx::DiskDrive::applyWd2793ReadTrackQuirk ( )

pure virtual

See RawTrack::applyWd2793ReadTrackQuirk()

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

◆ diskChanged()

virtual bool openmsx::DiskDrive::diskChanged ( )

pure virtual

Is disk changed?

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

◆ flushTrack()

virtual void openmsx::DiskDrive::flushTrack ( )

pure virtual

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

Referenced by openmsx::WD2793::setCommandReg().

◆ getMotor()

virtual bool openmsx::DiskDrive::getMotor ( ) const

pure virtual

Returns the previously set motor status.

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

◆ getNextSector()

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

pure virtual

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

◆ getSide()

virtual bool openmsx::DiskDrive::getSide ( ) const

pure virtual

Implemented in openmsx::DummyDrive, openmsx::DriveMultiplexer, and openmsx::RealDrive.

◆ getTimeTillIndexPulse()

virtual EmuTime openmsx::DiskDrive::getTimeTillIndexPulse	(	EmuTime::param	time,
		int	count = `1`
	)

pure virtual

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