dioscuri.module.cpu
Class Instruction_MOVS_XbYb

java.lang.Object
  dioscuri.module.cpu.Instruction_MOVS_XbYb

All Implemented Interfaces:

Instruction

public class Instruction_MOVS_XbYb
extends java.lang.Object
implements Instruction

Intel opcode A4
Move string byte at address DS:(E)SI to address ES:(E)DI.
After move, contents of SI and DI are incremented or decremented based on DF flag:
Byte: +/- 1, word: +/- 2, doubleword: +/-4.
Flags modified: none

Constructor Summary

Instruction_MOVS_XbYb()
Class constructor

Instruction_MOVS_XbYb(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Move byte at address DS:(E)SI to address ES:(E)DI and increment/decrement both depending on DF flag. Flags modified: none

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_MOVS_XbYb

public Instruction_MOVS_XbYb()

Class constructor

Instruction_MOVS_XbYb

public Instruction_MOVS_XbYb(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Move byte at address DS:(E)SI to address ES:(E)DI and increment/decrement both depending on DF flag.
Flags modified: none

Specified by:

execute in interface Instruction