nl.kbna.dioscuri.module.cpu
Class Instruction_AND_EbGb

java.lang.Object
  nl.kbna.dioscuri.module.cpu.Instruction_AND_EbGb

All Implemented Interfaces:

Instruction

public class Instruction_AND_EbGb
extends java.lang.Object
implements Instruction

Intel opcode 20
Logical byte-sized AND of memory/register (destination) and register (source).
The addressbyte determines the source (rrr bits) and destination (sss bits).
Flags modified: OF, SF, ZF, AF, PF, CF

Field Summary

(package private) byte	addressByte
private CPU	cpu
(package private) byte[]	destinationRegister
(package private) byte	logicalANDResult
(package private) byte[]	memoryReferenceDisplacement
(package private) byte[]	memoryReferenceLocation
(package private) boolean	operandWordSize
(package private) byte	registerHighLow
(package private) byte	sourceValue

Constructor Summary

Instruction_AND_EbGb()
Class constructor

Instruction_AND_EbGb(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Logical AND of memory/register (destination) and register (source).

Methods inherited from class java.lang.Object

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

Field Detail

cpu

private CPU cpu

operandWordSize

boolean operandWordSize

addressByte

byte addressByte

memoryReferenceLocation

byte[] memoryReferenceLocation

memoryReferenceDisplacement

byte[] memoryReferenceDisplacement

sourceValue

byte sourceValue

destinationRegister

byte[] destinationRegister

registerHighLow

byte registerHighLow

logicalANDResult

byte logicalANDResult

Constructor Detail

Instruction_AND_EbGb

public Instruction_AND_EbGb()

Class constructor

Instruction_AND_EbGb

public Instruction_AND_EbGb(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Logical AND of memory/register (destination) and register (source).
OF and CF are cleared. AF is undefined.

Specified by:

execute in interface Instruction