dioscuri.module.cpu
Class Instruction_CWD

java.lang.Object
  dioscuri.module.cpu.Instruction_CWD

All Implemented Interfaces:

Instruction

public class Instruction_CWD
extends java.lang.Object
implements Instruction

Intel opcode 99
Convert Word to DoubleWord.
Copy the sign (bit 15) in AX into every bit of DX register
Flags modified: none

Constructor Summary

Instruction_CWD()
Class constructor

Instruction_CWD(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Copy the sign (bit 15) in AX into every bit of DX register

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_CWD

public Instruction_CWD()

Class constructor

Instruction_CWD

public Instruction_CWD(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Copy the sign (bit 15) in AX into every bit of DX register

Specified by:

execute in interface Instruction