This class connects to a FDC as a normal DiskDrive and deligates all requests to one of four other DiskDrives. More...

#include <DriveMultiplexer.hh>

Inheritance diagram for openmsx::DriveMultiplexer:

Collaboration diagram for openmsx::DriveMultiplexer:

Public Types
enum	DriveNum { DRIVE_A = 0, DRIVE_B = 1, DRIVE_C = 2, DRIVE_D = 3, NO_DRIVE = 4 }

Public Member Functions
	DriveMultiplexer (DiskDrive *drive[4])
virtual	~DriveMultiplexer ()
void	selectDrive (DriveNum num, EmuTime::param time)
virtual bool	isDiskInserted () const
	Is drive ready?
virtual bool	isWriteProtected () const
	Is disk write protected?
virtual bool	isDoubleSided () const
	Is disk double sided?
virtual bool	isTrack00 () const
	Head above track 0.
virtual void	setSide (bool side)
	Side select.
virtual void	step (bool direction, EmuTime::param time)
	Step head.
virtual void	setMotor (bool status, EmuTime::param time)
	Set motor on/off.
virtual bool	indexPulse (EmuTime::param time)
	Gets the state of the index pulse.
virtual EmuTime	getTimeTillIndexPulse (EmuTime::param time, int count)
	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 void	setHeadLoaded (bool status, EmuTime::param time)
	Set head loaded status.
virtual bool	headLoaded (EmuTime::param time)
	Is head loaded?
virtual void	writeTrack (const RawTrack &track)
virtual void	readTrack (RawTrack &track)
virtual EmuTime	getNextSector (EmuTime::param time, RawTrack &track, RawTrack::Sector &sector)
virtual bool	diskChanged ()
	Is disk changed?
virtual bool	peekDiskChanged () const
virtual bool	isDummyDrive () const
	Is there a dummy (unconncted) drive?
template<typename Archive >
void	serialize (Archive &ar, unsigned version)
Public Member Functions inherited from openmsx::DiskDrive
virtual	~DiskDrive ()

Additional Inherited Members
Static Public Attributes inherited from openmsx::DiskDrive
static const unsigned	ROTATIONS_PER_SECOND = 5

Detailed Description

This class connects to a FDC as a normal DiskDrive and deligates all requests to one of four other DiskDrives.

Definition at line 12 of file DriveMultiplexer.hh.

Member Enumeration Documentation

enum openmsx::DriveMultiplexer::DriveNum

Enumerator:

DRIVE_A
DRIVE_B
DRIVE_C
DRIVE_D
NO_DRIVE

Definition at line 15 of file DriveMultiplexer.hh.

Constructor & Destructor Documentation

openmsx::DriveMultiplexer::DriveMultiplexer ( DiskDrive * drive[4] )

explicit

Definition at line 7 of file DriveMultiplexer.cc.

References DRIVE_A, DRIVE_B, DRIVE_C, DRIVE_D, and NO_DRIVE.

openmsx::DriveMultiplexer::~DriveMultiplexer ( )

virtual

Definition at line 20 of file DriveMultiplexer.cc.

Member Function Documentation

bool openmsx::DriveMultiplexer::diskChanged ( )

virtual

Is disk changed?

Implements openmsx::DiskDrive.

Definition at line 107 of file DriveMultiplexer.cc.

References openmsx::DiskDrive::diskChanged().

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

virtual

Implements openmsx::DiskDrive.

Definition at line 101 of file DriveMultiplexer.cc.

References openmsx::DiskDrive::getNextSector().

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

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