nl.kbna.dioscuri.module.cpu
Class Instruction_DEC_BX

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

All Implemented Interfaces:

Instruction

public class Instruction_DEC_BX
extends java.lang.Object
implements Instruction

Intel opcode 4B
Decrement general register BX.
Flags modified: OF, SF, ZF, AF, PF

Field Summary

private CPU	cpu
private byte[]	decWord
private byte[]	oldDest
private byte[]	temp

Constructor Summary

Instruction_DEC_BX()
Class constructor

Instruction_DEC_BX(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Decrement general register BX

Methods inherited from class java.lang.Object

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

Field Detail

cpu

private CPU cpu

oldDest

private byte[] oldDest

decWord

private byte[] decWord

temp

private byte[] temp

Constructor Detail

Instruction_DEC_BX

public Instruction_DEC_BX()

Class constructor

Instruction_DEC_BX

public Instruction_DEC_BX(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Decrement general register BX

Specified by:

execute in interface Instruction