dioscuri.module.cpu
Class Instruction_CBW

java.lang.Object
  dioscuri.module.cpu.Instruction_CBW

All Implemented Interfaces:

Instruction

public class Instruction_CBW
extends java.lang.Object
implements Instruction

Intel opcode 98
Convert byte to word.
Copies the sign (bit 7) in AL into every bit in AH register
Flags modified: none

Constructor Summary

Instruction_CBW()
Class constructor

Instruction_CBW(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Copy sign (bit 7) in AL into every bit in AH register

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_CBW

public Instruction_CBW()

Class constructor

Instruction_CBW

public Instruction_CBW(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Copy sign (bit 7) in AL into every bit in AH register

Specified by:

execute in interface Instruction