dioscuri.module.cpu
Class Instruction_REPNE

java.lang.Object
  dioscuri.module.cpu.Instruction_REPNE

All Implemented Interfaces:

Instruction

public class Instruction_REPNE
extends java.lang.Object
implements Instruction

Intel opcode F2
Repeat execution of string instruction until CX == 0 or ZF is set.
Target string instruction is next instruction.
Flags modified: none; however, the CMPS and SCAS instructions do set status flags

Constructor Summary

Instruction_REPNE()
Class constructor

Instruction_REPNE(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Repeat string instruction until CX == 0 or ZF == 1

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_REPNE

public Instruction_REPNE()

Class constructor

Instruction_REPNE

public Instruction_REPNE(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()
             throws CPUInstructionException

Repeat string instruction until CX == 0 or ZF == 1

Specified by:

execute in interface Instruction

Throws:

CPUInstructionException