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dioscuri.module.cpu32
Class Processor

java.lang.Object
 extended by dioscuri.module.AbstractModule
 extended by dioscuri.module.ModuleCPU
 extended by dioscuri.module.cpu32.Processor
All Implemented Interfaces:
Addressable, Module, HardwareComponent, Hibernatable
public class Processor
extends ModuleCPU
implements HardwareComponent

Author:
Bram Lohman, Bart Kiers

Nested Class Summary
Nested classes/interfaces inherited from interface dioscuri.interfaces.Module
Module.Type
Field Summary
static int AC_BIT4_NEQ
static int AC_LNIBBLE_MAX
static int AC_LNIBBLE_NZERO
static int AC_LNIBBLE_ZERO
static int AC_XOR
AlignmentCheckedAddressSpace alignmentCheckedMemory
static int CLOCK_SPEED
static int CR0_ALIGNMENT_MASK
static int CR0_CACHE_DISABLE
static int CR0_FPU_EMULATION
static int CR0_MONITOR_COPROCESSOR
static int CR0_NOT_WRITETHROUGH
static int CR0_NUMERIC_ERROR
static int CR0_PAGING
static int CR0_PROTECTION_ENABLE
static int CR0_TASK_SWITCHED
static int CR0_WRITE_PROTECT
static int CR3_PAGE_CACHE_DISABLE
static int CR3_PAGE_WRITES_TRANSPARENT
static int CR4_DEBUGGING_EXTENSIONS
static int CR4_MACHINE_CHECK_ENABLE
static int CR4_OS_SUPPORT_FXSAVE_FXSTORE
static int CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS
static int CR4_PAGE_GLOBAL_ENABLE
static int CR4_PAGE_SIZE_EXTENSIONS
static int CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE
static int CR4_PHYSICAL_ADDRESS_EXTENSION
static int CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS
static int CR4_TIME_STAMP_DISABLE
static int CR4_VIRTUAL8086_MODE_EXTENSIONS
Segment cs
static int CY_GREATER_FF
static int CY_HIGH_BYTE_NZ
static int CY_HIGHBIT_BYTE
static int CY_HIGHBIT_INT
static int CY_HIGHBIT_SHORT
static int CY_LOW_WORD_NZ
static int CY_LOWBIT
static int CY_NOT_BYTE
static int CY_NOT_INT
static int CY_NOT_SHORT
static int CY_NTH_BIT_SET
static int CY_NZ
static int CY_OFFENDBIT_BYTE
static int CY_OFFENDBIT_INT
static int CY_OFFENDBIT_SHORT
static int CY_SHL_OUTBIT_BYTE
static int CY_SHL_OUTBIT_INT
static int CY_SHL_OUTBIT_SHORT
static int CY_SHR_OUTBIT
static int CY_TWIDDLE_FF
static int CY_TWIDDLE_FFFF
static int CY_TWIDDLE_FFFFFFFF
int dr0
int dr1
int dr2
int dr3
int dr4
int dr5
int dr6
int dr7
Segment ds
int eax
int ebp
int ebx
int ecx
int edi
int edx
boolean eflagsAlignmentCheck
boolean eflagsAuxiliaryCarry
boolean eflagsCarry
boolean eflagsDirection
boolean eflagsID
boolean eflagsInterruptEnable
boolean eflagsInterruptEnableSoon
int eflagsIOPrivilegeLevel
boolean eflagsNestedTask
boolean eflagsOverflow
boolean eflagsParity
boolean eflagsResume
boolean eflagsSign
boolean eflagsTrap
boolean eflagsVirtual8086Mode
boolean eflagsVirtualInterrupt
boolean eflagsVirtualInterruptPending
boolean eflagsZero
int eip
Segment es
int esi
int esp
FpuState fpu
Segment fs
Segment gdtr
Segment gs
Segment idtr
static int IFLAGS_HARDWARE_INTERRUPT
static int IFLAGS_PROCESSOR_EXCEPTION
static int IFLAGS_RESET_REQUEST
IOPortHandler ioports
Segment ldtr
LinearAddressSpace linearMemory
static int OF_ADD_BYTE
static int OF_ADD_INT
static int OF_ADD_SHORT
static int OF_BIT14_XOR_CARRY
static int OF_BIT15_DIFFERENT
static int OF_BIT15_XOR_CARRY
static int OF_BIT30_XOR_CARRY
static int OF_BIT31_DIFFERENT
static int OF_BIT31_XOR_CARRY
static int OF_BIT6_XOR_CARRY
static int OF_BIT7_DIFFERENT
static int OF_BIT7_XOR_CARRY
static int OF_HIGH_BYTE_NZ
static int OF_LOW_WORD_NZ
static int OF_MAX_BYTE
static int OF_MAX_INT
static int OF_MAX_SHORT
static int OF_MIN_BYTE
static int OF_MIN_INT
static int OF_MIN_SHORT
static int OF_NOT_BYTE
static int OF_NOT_INT
static int OF_NOT_SHORT
static int OF_NZ
static int OF_SUB_BYTE
static int OF_SUB_INT
static int OF_SUB_SHORT
PhysicalAddressSpace physicalMemory
static int PROC_EXCEPTION_AC
static int PROC_EXCEPTION_BP
static int PROC_EXCEPTION_BR
static int PROC_EXCEPTION_DB
static int PROC_EXCEPTION_DE
static int PROC_EXCEPTION_DF
static int PROC_EXCEPTION_GP
static int PROC_EXCEPTION_MAX
static int PROC_EXCEPTION_MC
static int PROC_EXCEPTION_MF_09
static int PROC_EXCEPTION_MF_10
static int PROC_EXCEPTION_NM
static int PROC_EXCEPTION_NP
static int PROC_EXCEPTION_OF
static int PROC_EXCEPTION_PF
static int PROC_EXCEPTION_SS
static int PROC_EXCEPTION_TS
static int PROC_EXCEPTION_UD
static int PROC_EXCEPTION_XF
Segment ss
static int STATE_MINOR_VERSION
static int STATE_VERSION
static int SYSENTER_CS_MSR
static int SYSENTER_EIP_MSR
static int SYSENTER_ESP_MSR
Segment tss
Fields inherited from class dioscuri.module.AbstractModule
type
Constructor Summary
Processor()
Method Summary
void acceptComponent(HardwareComponent component)
void clearInterrupt()
void correctAlignmentChecking(Segment segment)
Segment createDescriptorTableSegment(int base, int limit)
Segment createRealModeSegment(int selector)
java.lang.String dumpRegisters()
Returns a dump of the current registers with their value
void dumpState(java.io.DataOutput output)
boolean getAuxiliaryCarryFlag()
boolean getCarryFlag()
long getClockCount()
int getCPL()
boolean getCpuInstructionDebug()
Get CPU instruction debug.
int getCR0()
int getCR2()
int getCR3()
int getCR4()
long getCurrentInstructionNumber()
Retrieve current number of instruction (instructions executed so far)
int getDR0()
int getDR1()
int getDR2()
int getDR3()
int getDR6()
int getDR7()
int getEFlags()
int getInstructionPointer()
int getInterruptFlags()
byte getIOPortByte(int portAddress)
byte[] getIOPortDoubleWord(int portAddress)
byte[] getIOPortWord(int portAddress)
int getIPS()
Get the Instructions Per Second (ips) for this CPU.
long getMSR(int index)
java.lang.String getNextInstructionInfo()
Retrieve string with information about next instruction to be executed
boolean getOverflowFlag()
boolean getParityFlag()
java.lang.String getRegisterHex(int register)
protected byte[] getRegisterValue(java.lang.String registerName)
Returns the value of a named register.
Segment getSegment(int segmentSelector)
Segment getSegment(int segmentSelector, Segment local, Segment global)
boolean getSignFlag()
boolean getZeroFlag()
void handleHardProtectedModeInterrupt(int vector)
void handleHardVirtual8086ModeInterrupt(int vector)
void handleProtectedModeException(int vector, boolean hasErrorCode, int errorCode)
void handleRealModeException(int vector)
void handleSoftProtectedModeInterrupt(int vector)
void handleSoftVirtual8086ModeInterrupt(int vector)
void handleVirtual8086ModeException(int vector, boolean hasErrorCode, int errorCode)
protected void incrementInstructionCounter()
Increment current number of instruction by one
boolean initialised()
protected boolean initInstructionTables()
Initialise the single and double byte opcode lookup arrays with instructions corresponding to the Intel hexadecimal machinecode values.
protected boolean initRegisters()
Initialise registers
void interruptRequest(boolean value)
Set the interrupt request (IRQ).
boolean isAbnormalTermination()
Returns if CPU halted abnormally or not
boolean isProtectedMode()
boolean isShutdown()
Returns if CPU halted due to full system shutdown or not
boolean isVirtual8086Mode()
void loadState(java.io.DataInput input)
void processClock()
void processProtectedModeInterrupts()
void processRealModeInterrupts()
void processVirtual8086ModeInterrupts()
void raiseInterrupt()
void reportFPUException()
void requestReset()
boolean reset()
Reset all parameters of module.
void setAuxiliaryCarryFlag(boolean value)
void setAuxiliaryCarryFlag(int dataOne, int method)
void setAuxiliaryCarryFlag(int dataOne, int dataTwo, int method)
void setAuxiliaryCarryFlag(int dataOne, int dataTwo, int dataThree, int method)
void setCarryFlag(boolean value)
void setCarryFlag(int dataOne, int method)
void setCarryFlag(int dataOne, int dataTwo, int method)
void setCarryFlag(int dataOne, int dataTwo, int dataThree, int method)
void setCarryFlag(long dataOne, int method)
void setCPL(int value)
void setCpuInstructionDebug(boolean isDebugMode)
Set the CPU instruction debug.
void setCR0(int value)
void setCR2(int value)
void setCR3(int value)
void setCR4(int value)
void setDR0(int value)
void setDR1(int value)
void setDR2(int value)
void setDR3(int value)
void setDR6(int value)
void setDR7(int value)
void setEFlags(int eflags)
void setHoldRequest(boolean value, Module origin)
Sets the CPU hold mode by asserting a Hold Request.
This informs the CPU to avoid using the (non-existent) bus as another device (usually via DMA) is using it; it should be scheduled as a asynchronous event in CPU.
void setIOPortByte(int portAddress, byte value)
void setIOPortDoubleWord(int portAddress, byte[] value)
void setIOPortWord(int portAddress, byte[] value)
void setIPS(int ips)
Set the Instructions Per Second (ips) for this CPU.
void setIPS(int ips, int lowestUpdatePeriod)
Set the Instructions Per Second (ips) for this CPU.
void setMSR(int index, long value)
void setOverflowFlag(boolean value)
void setOverflowFlag(int dataOne, int method)
void setOverflowFlag(int dataOne, int dataTwo, int method)
void setOverflowFlag(int dataOne, int dataTwo, int dataThree, int method)
void setOverflowFlag(long dataOne, int method)
void setParityFlag(boolean value)
void setParityFlag(int data)
protected boolean setRegisterValue(java.lang.String registerName, byte[] value)
Sets the value of a named register to given value.
protected void setRunning(boolean status)
Set the boolean that starts and stops the CPU loop
void setSignFlag(boolean value)
void setSignFlag(int data)
void setZeroFlag(boolean value)
void setZeroFlag(int data)
void timerCallback()
void updateComponent(HardwareComponent component)
boolean updated()
boolean waitForInterrupt(long time)
Methods inherited from class dioscuri.module.AbstractModule
getConnection, getConnections, getDebugMode, getDump, getExpectedConnections, getType, isConnected, 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, setConnection, setDebugMode, start, stop

Field Detail

STATE_VERSION

public static final int STATE_VERSION
See Also:
Constant Field Values

STATE_MINOR_VERSION

public static final int STATE_MINOR_VERSION
See Also:
Constant Field Values

CLOCK_SPEED

public static final int CLOCK_SPEED
See Also:
Constant Field Values

IFLAGS_HARDWARE_INTERRUPT

public static final int IFLAGS_HARDWARE_INTERRUPT
See Also:
Constant Field Values

IFLAGS_PROCESSOR_EXCEPTION

public static final int IFLAGS_PROCESSOR_EXCEPTION
See Also:
Constant Field Values

IFLAGS_RESET_REQUEST

public static final int IFLAGS_RESET_REQUEST
See Also:
Constant Field Values

PROC_EXCEPTION_DE

public static final int PROC_EXCEPTION_DE
See Also:
Constant Field Values

PROC_EXCEPTION_DB

public static final int PROC_EXCEPTION_DB
See Also:
Constant Field Values

PROC_EXCEPTION_BP

public static final int PROC_EXCEPTION_BP
See Also:
Constant Field Values

PROC_EXCEPTION_OF

public static final int PROC_EXCEPTION_OF
See Also:
Constant Field Values

PROC_EXCEPTION_BR

public static final int PROC_EXCEPTION_BR
See Also:
Constant Field Values

PROC_EXCEPTION_UD

public static final int PROC_EXCEPTION_UD
See Also:
Constant Field Values

PROC_EXCEPTION_NM

public static final int PROC_EXCEPTION_NM
See Also:
Constant Field Values

PROC_EXCEPTION_DF

public static final int PROC_EXCEPTION_DF
See Also:
Constant Field Values

PROC_EXCEPTION_MF_09

public static final int PROC_EXCEPTION_MF_09
See Also:
Constant Field Values

PROC_EXCEPTION_TS

public static final int PROC_EXCEPTION_TS
See Also:
Constant Field Values

PROC_EXCEPTION_NP

public static final int PROC_EXCEPTION_NP
See Also:
Constant Field Values

PROC_EXCEPTION_SS

public static final int PROC_EXCEPTION_SS
See Also:
Constant Field Values

PROC_EXCEPTION_GP

public static final int PROC_EXCEPTION_GP
See Also:
Constant Field Values

PROC_EXCEPTION_PF

public static final int PROC_EXCEPTION_PF
See Also:
Constant Field Values

PROC_EXCEPTION_MF_10

public static final int PROC_EXCEPTION_MF_10
See Also:
Constant Field Values

PROC_EXCEPTION_AC

public static final int PROC_EXCEPTION_AC
See Also:
Constant Field Values

PROC_EXCEPTION_MC

public static final int PROC_EXCEPTION_MC
See Also:
Constant Field Values

PROC_EXCEPTION_XF

public static final int PROC_EXCEPTION_XF
See Also:
Constant Field Values

PROC_EXCEPTION_MAX

public static final int PROC_EXCEPTION_MAX
See Also:
Constant Field Values

CR0_PROTECTION_ENABLE

public static final int CR0_PROTECTION_ENABLE
See Also:
Constant Field Values

CR0_MONITOR_COPROCESSOR

public static final int CR0_MONITOR_COPROCESSOR
See Also:
Constant Field Values

CR0_FPU_EMULATION

public static final int CR0_FPU_EMULATION
See Also:
Constant Field Values

CR0_TASK_SWITCHED

public static final int CR0_TASK_SWITCHED
See Also:
Constant Field Values

CR0_NUMERIC_ERROR

public static final int CR0_NUMERIC_ERROR
See Also:
Constant Field Values

CR0_WRITE_PROTECT

public static final int CR0_WRITE_PROTECT
See Also:
Constant Field Values

CR0_ALIGNMENT_MASK

public static final int CR0_ALIGNMENT_MASK
See Also:
Constant Field Values

CR0_NOT_WRITETHROUGH

public static final int CR0_NOT_WRITETHROUGH
See Also:
Constant Field Values

CR0_CACHE_DISABLE

public static final int CR0_CACHE_DISABLE
See Also:
Constant Field Values

CR0_PAGING

public static final int CR0_PAGING
See Also:
Constant Field Values

CR3_PAGE_CACHE_DISABLE

public static final int CR3_PAGE_CACHE_DISABLE
See Also:
Constant Field Values

CR3_PAGE_WRITES_TRANSPARENT

public static final int CR3_PAGE_WRITES_TRANSPARENT
See Also:
Constant Field Values

CR4_VIRTUAL8086_MODE_EXTENSIONS

public static final int CR4_VIRTUAL8086_MODE_EXTENSIONS
See Also:
Constant Field Values

CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS

public static final int CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS
See Also:
Constant Field Values

CR4_TIME_STAMP_DISABLE

public static final int CR4_TIME_STAMP_DISABLE
See Also:
Constant Field Values

CR4_DEBUGGING_EXTENSIONS

public static final int CR4_DEBUGGING_EXTENSIONS
See Also:
Constant Field Values

CR4_PAGE_SIZE_EXTENSIONS

public static final int CR4_PAGE_SIZE_EXTENSIONS
See Also:
Constant Field Values

CR4_PHYSICAL_ADDRESS_EXTENSION

public static final int CR4_PHYSICAL_ADDRESS_EXTENSION
See Also:
Constant Field Values

CR4_MACHINE_CHECK_ENABLE

public static final int CR4_MACHINE_CHECK_ENABLE
See Also:
Constant Field Values

CR4_PAGE_GLOBAL_ENABLE

public static final int CR4_PAGE_GLOBAL_ENABLE
See Also:
Constant Field Values

CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE

public static final int CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE
See Also:
Constant Field Values

CR4_OS_SUPPORT_FXSAVE_FXSTORE

public static final int CR4_OS_SUPPORT_FXSAVE_FXSTORE
See Also:
Constant Field Values

CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS

public static final int CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS
See Also:
Constant Field Values

SYSENTER_CS_MSR

public static final int SYSENTER_CS_MSR
See Also:
Constant Field Values

SYSENTER_ESP_MSR

public static final int SYSENTER_ESP_MSR
See Also:
Constant Field Values

SYSENTER_EIP_MSR

public static final int SYSENTER_EIP_MSR
See Also:
Constant Field Values

eax

public int eax

ebx

public int ebx

edx

public int edx

ecx

public int ecx

esi

public int esi

edi

public int edi

esp

public int esp

ebp

public int ebp

eip

public int eip

dr0

public int dr0

dr1

public int dr1

dr2

public int dr2

dr3

public int dr3

dr4

public int dr4

dr5

public int dr5

dr6

public int dr6

dr7

public int dr7

cs

public Segment cs

ds

public Segment ds

ss

public Segment ss

es

public Segment es

fs

public Segment fs

gs

public Segment gs

idtr

public Segment idtr

gdtr

public Segment gdtr

ldtr

public Segment ldtr

tss

public Segment tss

eflagsCarry

public boolean eflagsCarry

eflagsParity

public boolean eflagsParity

eflagsAuxiliaryCarry

public boolean eflagsAuxiliaryCarry

eflagsZero

public boolean eflagsZero

eflagsSign

public boolean eflagsSign

eflagsTrap

public boolean eflagsTrap

eflagsInterruptEnable

public boolean eflagsInterruptEnable

eflagsDirection

public boolean eflagsDirection

eflagsOverflow

public boolean eflagsOverflow

eflagsIOPrivilegeLevel

public int eflagsIOPrivilegeLevel

eflagsNestedTask

public boolean eflagsNestedTask

eflagsResume

public boolean eflagsResume

eflagsVirtual8086Mode

public boolean eflagsVirtual8086Mode

eflagsAlignmentCheck

public boolean eflagsAlignmentCheck

eflagsVirtualInterrupt

public boolean eflagsVirtualInterrupt

eflagsVirtualInterruptPending

public boolean eflagsVirtualInterruptPending

eflagsID

public boolean eflagsID

eflagsInterruptEnableSoon

public boolean eflagsInterruptEnableSoon

linearMemory

public LinearAddressSpace linearMemory

physicalMemory

public PhysicalAddressSpace physicalMemory

alignmentCheckedMemory

public AlignmentCheckedAddressSpace alignmentCheckedMemory

ioports

public IOPortHandler ioports

fpu

public FpuState fpu

AC_XOR

public static final int AC_XOR
See Also:
Constant Field Values

AC_BIT4_NEQ

public static final int AC_BIT4_NEQ
See Also:
Constant Field Values

AC_LNIBBLE_MAX

public static final int AC_LNIBBLE_MAX
See Also:
Constant Field Values

AC_LNIBBLE_ZERO

public static final int AC_LNIBBLE_ZERO
See Also:
Constant Field Values

AC_LNIBBLE_NZERO

public static final int AC_LNIBBLE_NZERO
See Also:
Constant Field Values

OF_NZ

public static final int OF_NZ
See Also:
Constant Field Values

OF_NOT_BYTE

public static final int OF_NOT_BYTE
See Also:
Constant Field Values

OF_NOT_SHORT

public static final int OF_NOT_SHORT
See Also:
Constant Field Values

OF_NOT_INT

public static final int OF_NOT_INT
See Also:
Constant Field Values

OF_LOW_WORD_NZ

public static final int OF_LOW_WORD_NZ
See Also:
Constant Field Values

OF_HIGH_BYTE_NZ

public static final int OF_HIGH_BYTE_NZ
See Also:
Constant Field Values

OF_BIT6_XOR_CARRY

public static final int OF_BIT6_XOR_CARRY
See Also:
Constant Field Values

OF_BIT7_XOR_CARRY

public static final int OF_BIT7_XOR_CARRY
See Also:
Constant Field Values

OF_BIT14_XOR_CARRY

public static final int OF_BIT14_XOR_CARRY
See Also:
Constant Field Values

OF_BIT15_XOR_CARRY

public static final int OF_BIT15_XOR_CARRY
See Also:
Constant Field Values

OF_BIT30_XOR_CARRY

public static final int OF_BIT30_XOR_CARRY
See Also:
Constant Field Values

OF_BIT31_XOR_CARRY

public static final int OF_BIT31_XOR_CARRY
See Also:
Constant Field Values

OF_BIT7_DIFFERENT

public static final int OF_BIT7_DIFFERENT
See Also:
Constant Field Values

OF_BIT15_DIFFERENT

public static final int OF_BIT15_DIFFERENT
See Also:
Constant Field Values

OF_BIT31_DIFFERENT

public static final int OF_BIT31_DIFFERENT
See Also:
Constant Field Values

OF_MAX_BYTE

public static final int OF_MAX_BYTE
See Also:
Constant Field Values

OF_MAX_SHORT

public static final int OF_MAX_SHORT
See Also:
Constant Field Values

OF_MAX_INT

public static final int OF_MAX_INT
See Also:
Constant Field Values

OF_MIN_BYTE

public static final int OF_MIN_BYTE
See Also:
Constant Field Values

OF_MIN_SHORT

public static final int OF_MIN_SHORT
See Also:
Constant Field Values

OF_MIN_INT

public static final int OF_MIN_INT
See Also:
Constant Field Values

OF_ADD_BYTE

public static final int OF_ADD_BYTE
See Also:
Constant Field Values

OF_ADD_SHORT

public static final int OF_ADD_SHORT
See Also:
Constant Field Values

OF_ADD_INT

public static final int OF_ADD_INT
See Also:
Constant Field Values

OF_SUB_BYTE

public static final int OF_SUB_BYTE
See Also:
Constant Field Values

OF_SUB_SHORT

public static final int OF_SUB_SHORT
See Also:
Constant Field Values

OF_SUB_INT

public static final int OF_SUB_INT
See Also:
Constant Field Values

CY_NZ

public static final int CY_NZ
See Also:
Constant Field Values

CY_NOT_BYTE

public static final int CY_NOT_BYTE
See Also:
Constant Field Values

CY_NOT_SHORT

public static final int CY_NOT_SHORT
See Also:
Constant Field Values

CY_NOT_INT

public static final int CY_NOT_INT
See Also:
Constant Field Values

CY_LOW_WORD_NZ

public static final int CY_LOW_WORD_NZ
See Also:
Constant Field Values

CY_HIGH_BYTE_NZ

public static final int CY_HIGH_BYTE_NZ
See Also:
Constant Field Values

CY_NTH_BIT_SET

public static final int CY_NTH_BIT_SET
See Also:
Constant Field Values

CY_GREATER_FF

public static final int CY_GREATER_FF
See Also:
Constant Field Values

CY_TWIDDLE_FF

public static final int CY_TWIDDLE_FF
See Also:
Constant Field Values

CY_TWIDDLE_FFFF

public static final int CY_TWIDDLE_FFFF
See Also:
Constant Field Values

CY_TWIDDLE_FFFFFFFF

public static final int CY_TWIDDLE_FFFFFFFF
See Also:
Constant Field Values

CY_SHL_OUTBIT_BYTE

public static final int CY_SHL_OUTBIT_BYTE
See Also:
Constant Field Values

CY_SHL_OUTBIT_SHORT

public static final int CY_SHL_OUTBIT_SHORT
See Also:
Constant Field Values

CY_SHL_OUTBIT_INT

public static final int CY_SHL_OUTBIT_INT
See Also:
Constant Field Values

CY_SHR_OUTBIT

public static final int CY_SHR_OUTBIT
See Also:
Constant Field Values

CY_LOWBIT

public static final int CY_LOWBIT
See Also:
Constant Field Values

CY_HIGHBIT_BYTE

public static final int CY_HIGHBIT_BYTE
See Also:
Constant Field Values

CY_HIGHBIT_SHORT

public static final int CY_HIGHBIT_SHORT
See Also:
Constant Field Values

CY_HIGHBIT_INT

public static final int CY_HIGHBIT_INT
See Also:
Constant Field Values

CY_OFFENDBIT_BYTE

public static final int CY_OFFENDBIT_BYTE
See Also:
Constant Field Values

CY_OFFENDBIT_SHORT

public static final int CY_OFFENDBIT_SHORT
See Also:
Constant Field Values

CY_OFFENDBIT_INT

public static final int CY_OFFENDBIT_INT
See Also:
Constant Field Values
Constructor Detail

Processor

public Processor()
Method Detail

dumpState

public void dumpState(java.io.DataOutput output)
 throws java.io.IOException
Specified by:
dumpState in interface HardwareComponent
Parameters:
output -
Throws:
java.io.IOException

loadState

public void loadState(java.io.DataInput input)
 throws java.io.IOException
Specified by:
loadState in interface HardwareComponent
Parameters:
input -
Throws:
java.io.IOException

getEFlags

public int getEFlags()
Returns:
-

setEFlags

public void setEFlags(int eflags)
Parameters:
eflags -

processClock

public void processClock()

setCPL

public void setCPL(int value)
Parameters:
value -

getCPL

public int getCPL()
Returns:
-

reportFPUException

public void reportFPUException()

raiseInterrupt

public void raiseInterrupt()

clearInterrupt

public void clearInterrupt()

waitForInterrupt

public boolean waitForInterrupt(long time)
Parameters:
time -
Returns:
-

requestReset

public void requestReset()

getInterruptFlags

public int getInterruptFlags()
Returns:
-

isProtectedMode

public boolean isProtectedMode()
Returns:
-

isVirtual8086Mode

public boolean isVirtual8086Mode()
Returns:
-

setCR0

public void setCR0(int value)
Parameters:
value -

getCR0

public int getCR0()
Returns:
-

setCR3

public void setCR3(int value)
Parameters:
value -

getCR3

public int getCR3()
Returns:
-

getCR2

public int getCR2()
Returns:
-

setCR2

public void setCR2(int value)
Parameters:
value -

setCR4

public void setCR4(int value)
Parameters:
value -

getCR4

public int getCR4()
Returns:
-

setDR0

public void setDR0(int value)
Parameters:
value -

setDR1

public void setDR1(int value)
Parameters:
value -

setDR2

public void setDR2(int value)
Parameters:
value -

setDR3

public void setDR3(int value)
Parameters:
value -

setDR6

public void setDR6(int value)
Parameters:
value -

setDR7

public void setDR7(int value)
Parameters:
value -

getDR0

public int getDR0()
Returns:
-

getDR1

public int getDR1()
Returns:
-

getDR2

public int getDR2()
Returns:
-

getDR3

public int getDR3()
Returns:
-

getDR6

public int getDR6()
Returns:
-

getDR7

public int getDR7()
Returns:
-

getMSR

public long getMSR(int index)
Parameters:
index -
Returns:
-

setMSR

public void setMSR(int index,
 long value)
Parameters:
index -
value -

createRealModeSegment

public Segment createRealModeSegment(int selector)
Parameters:
selector -
Returns:
-

createDescriptorTableSegment

public Segment createDescriptorTableSegment(int base,
 int limit)
Parameters:
base -
limit -
Returns:
-

correctAlignmentChecking

public void correctAlignmentChecking(Segment segment)
Parameters:
segment -

getSegment

public Segment getSegment(int segmentSelector)
Parameters:
segmentSelector -
Returns:
-

getSegment

public Segment getSegment(int segmentSelector,
 Segment local,
 Segment global)
Parameters:
segmentSelector -
local -
global -
Returns:
-

reset

public boolean reset()
Reset all parameters of module.

Specified by:
reset in interface Module
Specified by:
reset in interface HardwareComponent
Specified by:
reset in class AbstractModule
Returns:
true iff the AbstractModule was reset properly.
See Also:
AbstractModule

getClockCount

public long getClockCount()
Returns:
-

getInstructionPointer

public final int getInstructionPointer()
Returns:
-

processRealModeInterrupts

public final void processRealModeInterrupts()

processProtectedModeInterrupts

public final void processProtectedModeInterrupts()

processVirtual8086ModeInterrupts

public final void processVirtual8086ModeInterrupts()

handleRealModeException

public final void handleRealModeException(int vector)
Parameters:
vector -

handleProtectedModeException

public final void handleProtectedModeException(int vector,
 boolean hasErrorCode,
 int errorCode)
Parameters:
vector -
hasErrorCode -
errorCode -

handleSoftProtectedModeInterrupt

public final void handleSoftProtectedModeInterrupt(int vector)
Parameters:
vector -

handleHardProtectedModeInterrupt

public final void handleHardProtectedModeInterrupt(int vector)
Parameters:
vector -

handleVirtual8086ModeException

public final void handleVirtual8086ModeException(int vector,
 boolean hasErrorCode,
 int errorCode)
Parameters:
vector -
hasErrorCode -
errorCode -

handleSoftVirtual8086ModeInterrupt

public final void handleSoftVirtual8086ModeInterrupt(int vector)
Parameters:
vector -

handleHardVirtual8086ModeInterrupt

public final void handleHardVirtual8086ModeInterrupt(int vector)
Parameters:
vector -

initialised

public boolean initialised()
Specified by:
initialised in interface HardwareComponent
Returns:
-

acceptComponent

public void acceptComponent(HardwareComponent component)
Specified by:
acceptComponent in interface HardwareComponent
Parameters:
component -

getAuxiliaryCarryFlag

public boolean getAuxiliaryCarryFlag()
Returns:
-

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
 int dataTwo,
 int dataThree,
 int method)
Parameters:
dataOne -
dataTwo -
dataThree -
method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
 int dataTwo,
 int method)
Parameters:
dataOne -
dataTwo -
method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
 int method)
Parameters:
dataOne -
method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(boolean value)
Parameters:
value -

getParityFlag

public boolean getParityFlag()
Returns:
-

setParityFlag

public void setParityFlag(boolean value)
Parameters:
value -

setParityFlag

public void setParityFlag(int data)
Parameters:
data -

getOverflowFlag

public boolean getOverflowFlag()
Returns:
-

setOverflowFlag

public void setOverflowFlag(boolean value)
Parameters:
value -

setOverflowFlag

public void setOverflowFlag(long dataOne,
 int method)
Parameters:
dataOne -
method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
 int method)
Parameters:
dataOne -
method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
 int dataTwo,
 int method)
Parameters:
dataOne -
dataTwo -
method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
 int dataTwo,
 int dataThree,
 int method)
Parameters:
dataOne -
dataTwo -
dataThree -
method -

getCarryFlag

public boolean getCarryFlag()
Returns:
-

setCarryFlag

public void setCarryFlag(boolean value)
Parameters:
value -

setCarryFlag

public void setCarryFlag(long dataOne,
 int method)
Parameters:
dataOne -
method -

setCarryFlag

public void setCarryFlag(int dataOne,
 int method)
Parameters:
dataOne -
method -

setCarryFlag

public void setCarryFlag(int dataOne,
 int dataTwo,
 int method)
Parameters:
dataOne -
dataTwo -
method -

setCarryFlag

public void setCarryFlag(int dataOne,
 int dataTwo,
 int dataThree,
 int method)
Parameters:
dataOne -
dataTwo -
dataThree -
method -

getZeroFlag

public boolean getZeroFlag()
Returns:
-

setZeroFlag

public void setZeroFlag(boolean value)
Parameters:
value -

setZeroFlag

public void setZeroFlag(int data)
Parameters:
data -

getSignFlag

public boolean getSignFlag()
Returns:
-

setSignFlag

public void setSignFlag(boolean value)
Parameters:
value -

setSignFlag

public void setSignFlag(int data)
Parameters:
data -

updated

public boolean updated()
Specified by:
updated in interface HardwareComponent
Returns:
-

updateComponent

public void updateComponent(HardwareComponent component)
Specified by:
updateComponent in interface HardwareComponent
Parameters:
component -

timerCallback

public void timerCallback()
Specified by:
timerCallback in interface HardwareComponent

dumpRegisters

public java.lang.String dumpRegisters()
Returns a dump of the current registers with their value

Specified by:
dumpRegisters in class ModuleCPU
Returns:
String containing a register dump
See Also:
ModuleCPU

getCpuInstructionDebug

public boolean getCpuInstructionDebug()
Get CPU instruction debug.

Specified by:
getCpuInstructionDebug in class ModuleCPU
Returns:
cpuInstructionDebug.
See Also:
ModuleCPU

getCurrentInstructionNumber

public long getCurrentInstructionNumber()
Retrieve current number of instruction (instructions executed so far)

Specified by:
getCurrentInstructionNumber in class ModuleCPU
Returns:
long containing number of instructions
See Also:
ModuleCPU

getIOPortByte

public byte getIOPortByte(int portAddress)
 throws ModuleException,
 WriteOnlyPortException

Specified by:
getIOPortByte in interface Addressable
Returns:
Throws:
ModuleException
WriteOnlyPortException
See Also:
Addressable

getIOPortDoubleWord

public byte[] getIOPortDoubleWord(int portAddress)
 throws ModuleException,
 WriteOnlyPortException

Specified by:
getIOPortDoubleWord in interface Addressable
Returns:
Throws:
ModuleException
WriteOnlyPortException
See Also:
Addressable

getIOPortWord

public byte[] getIOPortWord(int portAddress)
 throws ModuleException,
 WriteOnlyPortException

Specified by:
getIOPortWord in interface Addressable
Returns:
Throws:
ModuleException
WriteOnlyPortException
See Also:
Addressable

getIPS

public int getIPS()
Get the Instructions Per Second (ips) for this CPU.

Specified by:
getIPS in class ModuleCPU
Returns:
the Instructions Per Second (ips) for this CPU.
See Also:
ModuleCPU

getNextInstructionInfo

public java.lang.String getNextInstructionInfo()
Retrieve string with information about next instruction to be executed

Specified by:
getNextInstructionInfo in class ModuleCPU
Returns:
string containing next instruction information
See Also:
ModuleCPU

getRegisterHex

public java.lang.String getRegisterHex(int register)

Specified by:
getRegisterHex in class ModuleCPU
Returns:
See Also:
ModuleCPU

getRegisterValue

protected byte[] getRegisterValue(java.lang.String registerName)
Returns the value of a named register.

Specified by:
getRegisterValue in class ModuleCPU
Returns:
int[] with value of register, null otherwise
See Also:
ModuleCPU

incrementInstructionCounter

protected void incrementInstructionCounter()
Increment current number of instruction by one

Specified by:
incrementInstructionCounter in class ModuleCPU
See Also:
ModuleCPU

initInstructionTables

protected boolean initInstructionTables()
Initialise the single and double byte opcode lookup arrays with instructions corresponding to the Intel hexadecimal machinecode values.

Specified by:
initInstructionTables in class ModuleCPU
Returns:
See Also:
ModuleCPU

initRegisters

protected boolean initRegisters()
Initialise registers

Specified by:
initRegisters in class ModuleCPU
Returns:
true if initialisation is successful, false otherwise
See Also:
ModuleCPU

interruptRequest

public void interruptRequest(boolean value)
Set the interrupt request (IRQ).

Specified by:
interruptRequest in class ModuleCPU
See Also:
ModuleCPU

isAbnormalTermination

public boolean isAbnormalTermination()
Returns if CPU halted abnormally or not

Specified by:
isAbnormalTermination in class ModuleCPU
Returns:
boolean abnormalTermination true if abnormal, false otherwise
See Also:
ModuleCPU

setCpuInstructionDebug

public void setCpuInstructionDebug(boolean isDebugMode)
Set the CPU instruction debug.

Specified by:
setCpuInstructionDebug in class ModuleCPU
Parameters:
isDebugMode - status of instructionDebug (on/off)
See Also:
ModuleCPU

setHoldRequest

public void setHoldRequest(boolean value,
 Module origin)
Sets the CPU hold mode by asserting a Hold Request.
This informs the CPU to avoid using the (non-existent) bus as another device (usually via DMA) is using it; it should be scheduled as a asynchronous event in CPU.

Specified by:
setHoldRequest in class ModuleCPU
Parameters:
value - state of the Hold Request
origin - -
See Also:
ModuleCPU

setIOPortByte

public void setIOPortByte(int portAddress,
 byte value)
 throws ModuleException

Specified by:
setIOPortByte in interface Addressable
Throws:
ModuleException
See Also:
Addressable

setIOPortDoubleWord

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

Specified by:
setIOPortDoubleWord in interface Addressable
Throws:
ModuleException
See Also:
Addressable

setIOPortWord

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

Specified by:
setIOPortWord in interface Addressable
Throws:
ModuleException
See Also:
Addressable

setIPS

public void setIPS(int ips)
Set the Instructions Per Second (ips) for this CPU.

Specified by:
setIPS in class ModuleCPU
Parameters:
ips - the Instructions Per Second (ips) for this CPU.
See Also:
ModuleCPU

setIPS

public void setIPS(int ips,
 int lowestUpdatePeriod)
Set the Instructions Per Second (ips) for this CPU. Also, define what the smallest period is for sending a clockpulse (in microseconds)

Specified by:
setIPS in class ModuleCPU
lowestUpdatePeriod - the lowest update period in microseconds
See Also:
ModuleCPU

setRegisterValue

protected boolean setRegisterValue(java.lang.String registerName,
 byte[] value)
Sets the value of a named register to given value.

Specified by:
setRegisterValue in class ModuleCPU
value - containing the value
Returns:
true if set was successful, false otherwise
See Also:
ModuleCPU

setRunning

protected void setRunning(boolean status)
Set the boolean that starts and stops the CPU loop

Specified by:
setRunning in class ModuleCPU
Parameters:
status - sets the isRunning boolean
See Also:
ModuleCPU

isShutdown

public boolean isShutdown()
Returns if CPU halted due to full system shutdown or not

Specified by:
isShutdown in class ModuleCPU
Returns:
boolean shutDown true if emulator should shutdown, false otherwise
See Also:
ModuleCPU
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