dioscuri.module.cpu
Class Instruction_SAHF

java.lang.Object
  dioscuri.module.cpu.Instruction_SAHF

All Implemented Interfaces:

Instruction

public class Instruction_SAHF
extends java.lang.Object
implements Instruction

Intel opcode 9E
Load the FLAGS register with values from AH register.
The FLAGS register is written as SF:ZF:0:AF:0:PF:1:CF.
Flags modified: SF, ZF, AF, PF, CF.

Constructor Summary

Instruction_SAHF()
Class constructor

Instruction_SAHF(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Move AH register into low byte of FLAGS register.

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_SAHF

public Instruction_SAHF()

Class constructor

Instruction_SAHF

public Instruction_SAHF(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Move AH register into low byte of FLAGS register.

Specified by:

execute in interface Instruction