dioscuri.module.cpu32
Class Memory

java.lang.Object
  dioscuri.module.cpu32.Memory

All Implemented Interfaces:

ByteArray

Direct Known Subclasses:

AbstractMemory, LinearAddressSpace.PageFaultWrapper, PhysicalAddressSpace.MapWrapper, PhysicalAddressSpace.UnconnectedMemoryBlock, Video.DiosJPCVideoConnect

public abstract class Memory
extends java.lang.Object
implements ByteArray

Author:

Bram Lohman, Bart Kiers

Constructor Summary

Memory()

Method Summary

abstract void	clear()
abstract void	clear(int start, int length)
abstract void	copyContentsFrom(int address, byte[] buffer, int off, int len)
abstract void	copyContentsInto(int address, byte[] buffer, int off, int len)
abstract CodeBlock	decodeCodeBlockAt(Processor cpu, int address)
abstract int	execute(Processor cpu, int address)
abstract byte	getByte(int offset)
abstract int	getDoubleWord(int offset)
abstract long	getLowerDoubleQuadWord(int offset)
abstract long	getQuadWord(int offset)
abstract long	getSize()
abstract long	getUpperDoubleQuadWord(int offset)
abstract short	getWord(int offset)
boolean	isAllocated()
abstract void	setByte(int offset, byte data)
abstract void	setDoubleWord(int offset, int data)
abstract void	setLowerDoubleQuadWord(int offset, long data)
abstract void	setQuadWord(int offset, long data)
abstract void	setUpperDoubleQuadWord(int offset, long data)
abstract void	setWord(int offset, short data)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Memory

public Memory()

Method Detail

clear

public abstract void clear()

Specified by:

clear in interface ByteArray

clear

public abstract void clear(int start,
                           int length)

Parameters:

start -

length -

copyContentsInto

public abstract void copyContentsInto(int address,
                                      byte[] buffer,
                                      int off,
                                      int len)

Specified by:

copyContentsInto in interface ByteArray

Parameters:

address -

buffer -

off -

len -

copyContentsFrom

public abstract void copyContentsFrom(int address,
                                      byte[] buffer,
                                      int off,
                                      int len)

Parameters:

address -

buffer -

off -

len -

isAllocated

public boolean isAllocated()

Returns:

-

getSize

public abstract long getSize()

Specified by:

getSize in interface ByteArray

Returns:

-

getByte

public abstract byte getByte(int offset)

Specified by:

getByte in interface ByteArray

Parameters:

offset -

Returns:

-

getWord

public abstract short getWord(int offset)

Parameters:

offset -

Returns:

-

getDoubleWord

public abstract int getDoubleWord(int offset)

Parameters:

offset -

Returns:

-

getQuadWord

public abstract long getQuadWord(int offset)

Parameters:

offset -

Returns:

-

getLowerDoubleQuadWord

public abstract long getLowerDoubleQuadWord(int offset)

Parameters:

offset -

Returns:

-

getUpperDoubleQuadWord

public abstract long getUpperDoubleQuadWord(int offset)

Parameters:

offset -

Returns:

-

setByte

public abstract void setByte(int offset,
                             byte data)

Specified by:

setByte in interface ByteArray

Parameters:

offset -

data -

setWord

public abstract void setWord(int offset,
                             short data)

Parameters:

offset -

data -

setDoubleWord

public abstract void setDoubleWord(int offset,
                                   int data)

Parameters:

offset -

data -

setQuadWord

public abstract void setQuadWord(int offset,
                                 long data)

Parameters:

offset -

data -

setLowerDoubleQuadWord

public abstract void setLowerDoubleQuadWord(int offset,
                                            long data)

Parameters:

offset -

data -

setUpperDoubleQuadWord

public abstract void setUpperDoubleQuadWord(int offset,
                                            long data)

Parameters:

offset -

data -

execute

public abstract int execute(Processor cpu,
                            int address)

Parameters:

cpu -

address -

Returns:

-

decodeCodeBlockAt

public abstract CodeBlock decodeCodeBlockAt(Processor cpu,
                                            int address)

Parameters:

cpu -

address -

Returns:

-