dioscuri.module.cpu32
Class AbstractMemory

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

All Implemented Interfaces:

ByteArray

Direct Known Subclasses:

AddressSpace, LazyMemory

public abstract class AbstractMemory
extends Memory

Author:

Bram Lohman, Bart Kiers

Constructor Summary

AbstractMemory()

Method Summary

void	clear()
void	clear(int start, int length)
static void	clearArray(byte[] target, byte value)
static void	clearArray(java.lang.Object[] target, java.lang.Object value)
void	copyContentsFrom(int address, byte[] buffer, int off, int len)
void	copyContentsInto(int address, byte[] buffer, int off, int len)
abstract byte	getByte(int offset)
int	getDoubleWord(int offset)
static int	getDoubleWord(int offset, byte[] src)
protected int	getDoubleWordInBytes(int offset)
long	getLowerDoubleQuadWord(int offset)
long	getQuadWord(int offset)
protected long	getQuadWordInBytes(int offset)
abstract long	getSize()
long	getUpperDoubleQuadWord(int offset)
short	getWord(int offset)
static short	getWord(int offset, byte[] src)
protected short	getWordInBytes(int offset)
abstract void	setByte(int offset, byte data)
void	setDoubleWord(int offset, int data)
protected void	setDoubleWordInBytes(int offset, int data)
void	setLowerDoubleQuadWord(int offset, long data)
void	setQuadWord(int offset, long data)
protected void	setQuadWordInBytes(int offset, long data)
void	setUpperDoubleQuadWord(int offset, long data)
void	setWord(int offset, short data)
protected void	setWordInBytes(int offset, short data)

Methods inherited from class dioscuri.module.cpu32.Memory

decodeCodeBlockAt, execute, isAllocated

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMemory

public AbstractMemory()

Method Detail

getSize

public abstract long getSize()

Specified by:

getSize in interface ByteArray

Specified by:

getSize in class Memory

Returns:

-

getByte

public abstract byte getByte(int offset)

Specified by:

getByte in interface ByteArray

Specified by:

getByte in class Memory

Parameters:

offset -

Returns:

-

setByte

public abstract void setByte(int offset,
                             byte data)

Specified by:

setByte in interface ByteArray

Specified by:

setByte in class Memory

Parameters:

offset -

data -

clear

public void clear()

Specified by:

clear in interface ByteArray

Specified by:

clear in class Memory

clear

public void clear(int start,
                  int length)

Specified by:

clear in class Memory

Parameters:

start -

length -

copyContentsInto

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

Specified by:

copyContentsInto in interface ByteArray

Specified by:

copyContentsInto in class Memory

Parameters:

address -

buffer -

off -

len -

copyContentsFrom

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

Specified by:

copyContentsFrom in class Memory

Parameters:

address -

buffer -

off -

len -

getWordInBytes

protected final short getWordInBytes(int offset)

Parameters:

offset -

Returns:

-

getDoubleWordInBytes

protected final int getDoubleWordInBytes(int offset)

Parameters:

offset -

Returns:

-

getQuadWordInBytes

protected final long getQuadWordInBytes(int offset)

Parameters:

offset -

Returns:

-

getWord

public short getWord(int offset)

Specified by:

getWord in class Memory

Parameters:

offset -

Returns:

-

getDoubleWord

public int getDoubleWord(int offset)

Specified by:

getDoubleWord in class Memory

Parameters:

offset -

Returns:

-

getQuadWord

public long getQuadWord(int offset)

Specified by:

getQuadWord in class Memory

Parameters:

offset -

Returns:

-

getLowerDoubleQuadWord

public long getLowerDoubleQuadWord(int offset)

Specified by:

getLowerDoubleQuadWord in class Memory

Parameters:

offset -

Returns:

-

getUpperDoubleQuadWord

public long getUpperDoubleQuadWord(int offset)

Specified by:

getUpperDoubleQuadWord in class Memory

Parameters:

offset -

Returns:

-

setWordInBytes

protected final void setWordInBytes(int offset,
                                    short data)

Parameters:

offset -

data -

setDoubleWordInBytes

protected final void setDoubleWordInBytes(int offset,
                                          int data)

Parameters:

offset -

data -

setQuadWordInBytes

protected final void setQuadWordInBytes(int offset,
                                        long data)

Parameters:

offset -

data -

setWord

public void setWord(int offset,
                    short data)

Specified by:

setWord in class Memory

Parameters:

offset -

data -

setDoubleWord

public void setDoubleWord(int offset,
                          int data)

Specified by:

setDoubleWord in class Memory

Parameters:

offset -

data -

setQuadWord

public void setQuadWord(int offset,
                        long data)

Specified by:

setQuadWord in class Memory

Parameters:

offset -

data -

setLowerDoubleQuadWord

public void setLowerDoubleQuadWord(int offset,
                                   long data)

Specified by:

setLowerDoubleQuadWord in class Memory

Parameters:

offset -

data -

setUpperDoubleQuadWord

public void setUpperDoubleQuadWord(int offset,
                                   long data)

Specified by:

setUpperDoubleQuadWord in class Memory

Parameters:

offset -

data -

getWord

public static final short getWord(int offset,
                                  byte[] src)

Parameters:

offset -

src -

Returns:

-

getDoubleWord

public static final int getDoubleWord(int offset,
                                      byte[] src)

Parameters:

offset -

src -

Returns:

-

clearArray

public static final void clearArray(java.lang.Object[] target,
                                    java.lang.Object value)

Parameters:

target -

value -

clearArray

public static final void clearArray(byte[] target,
                                    byte value)

Parameters:

target -

value -