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dioscuri.module
Class ModuleMotherboard

java.lang.Object
 extended by dioscuri.module.AbstractModule
 extended by dioscuri.module.ModuleMotherboard

All Implemented Interfaces:

Addressable, Module

Direct Known Subclasses:

Motherboard

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public abstract class ModuleMotherboard
extends AbstractModule
implements Addressable

Abstract class representing a generic motherboard module.

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Nested Class Summary

Nested classes/interfaces inherited from interface dioscuri.interfaces.Module
Module.Type

Field Summary
int	ioSpaceSize

Fields inherited from class dioscuri.module.AbstractModule
type

Constructor Summary
ModuleMotherboard()

Method Summary
abstract boolean	getA20() Get value of A20 address line
abstract long	getCurrentInstructionNumber() Retrieve current number of instruction (instructions executed so far)
abstract byte	getIOPortByte(int portAddress)
abstract byte[]	getIOPortDoubleWord(int portAddress)
abstract byte[]	getIOPortWord(int portAddress)
abstract boolean	registerClock(ModuleClock clock) Registers a clock to motherboard
abstract boolean	requestTimer(Updateable device, int updatePeriod, boolean continuous) Requests a timer for given device at clock
abstract boolean	resetTimer(Updateable device, int updateInterval) Resets the timer of device (if any)
abstract void	setA20(boolean a20) Set value of A20 address line
abstract boolean	setIOPort(int portAddress, Addressable device) Set I/O address port to given device
abstract void	setIOPortByte(int portAddress, byte dataByte)
abstract void	setIOPortDoubleWord(int portAddress, byte[] dataDoubleWord)
abstract void	setIOPortWord(int portAddress, byte[] dataWord)
abstract boolean	setTimerActiveState(Updateable device, boolean runState) Set a timer to start/stop running

Methods inherited from class dioscuri.module.AbstractModule
getConnection, getConnections, getDebugMode, getDump, getExpectedConnections, getType, isConnected, reset, setConnection, setDebugMode, start, stop

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface dioscuri.interfaces.Module
getConnection, getConnections, getDebugMode, getDump, getExpectedConnections, getType, isConnected, reset, setConnection, setDebugMode, start, stop

Field Detail

ioSpaceSize

public int ioSpaceSize

Constructor Detail

ModuleMotherboard

public ModuleMotherboard()

Method Detail

registerClock

public abstract boolean registerClock(ModuleClock clock)

Registers a clock to motherboard

Parameters:

clock -

Returns:

boolean true if registration is successfully, false otherwise

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requestTimer

public abstract boolean requestTimer(Updateable device,
 int updatePeriod,
 boolean continuous)

Requests a timer for given device at clock

Parameters:

device -

continuous -

updatePeriod -

Returns:

boolean true if registration is successfully, false otherwise

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setTimerActiveState

public abstract boolean setTimerActiveState(Updateable device,
 boolean runState)

Set a timer to start/stop running

Parameters:

device -

runState -

Returns:

boolean true if timer is reset successfully, false otherwise

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resetTimer

public abstract boolean resetTimer(Updateable device,
 int updateInterval)

Resets the timer of device (if any)

Parameters:

device -

updateInterval -

Returns:

boolean true if reset is successfully, false otherwise

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setIOPort

public abstract boolean setIOPort(int portAddress,
 Addressable device)

Set I/O address port to given device

Parameters:

portAddress -

device -

Returns:

boolean true if data is set successfully, false otherwise

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getIOPortByte

public abstract byte getIOPortByte(int portAddress)
 throws ModuleException

Specified by:

getIOPortByte in interface Addressable

Returns:

Throws:

ModuleException

See Also:

Addressable

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setIOPortByte

public abstract void setIOPortByte(int portAddress,
 byte dataByte)
 throws ModuleException

Specified by:

setIOPortByte in interface Addressable

Throws:

ModuleException

See Also:

Addressable

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getIOPortWord

public abstract byte[] getIOPortWord(int portAddress)
 throws ModuleException

Specified by:

getIOPortWord in interface Addressable

Returns:

Throws:

ModuleException

See Also:

Addressable

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setIOPortWord

public abstract void setIOPortWord(int portAddress,
 byte[] dataWord)
 throws ModuleException

Specified by:

setIOPortWord in interface Addressable

Throws:

ModuleException

See Also:

Addressable

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getIOPortDoubleWord

public abstract byte[] getIOPortDoubleWord(int portAddress)
 throws ModuleException

Specified by:

getIOPortDoubleWord in interface Addressable

Returns:

Throws:

ModuleException

See Also:

Addressable

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setIOPortDoubleWord

public abstract void setIOPortDoubleWord(int portAddress,
 byte[] dataDoubleWord)
 throws ModuleException

Specified by:

setIOPortDoubleWord in interface Addressable

Throws:

ModuleException

See Also:

Addressable

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getA20

public abstract boolean getA20()

Get value of A20 address line

Returns:

true if set, false if not

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setA20

public abstract void setA20(boolean a20)

Set value of A20 address line

Parameters:

a20 - true to set, false to clear

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getCurrentInstructionNumber

public abstract long getCurrentInstructionNumber()

Retrieve current number of instruction (instructions executed so far)

Returns:

long containing number of instructions

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