dioscuri.module.cpu
Class Instruction_POP_Ev

java.lang.Object
  dioscuri.module.cpu.Instruction_POP_Ev

All Implemented Interfaces:

Instruction

public class Instruction_POP_Ev
extends java.lang.Object
implements Instruction

Intel opcode 8F
Pop word or double word from stack SP:SS into current segment at given offset (mem/reg).
NOTE: Stack is incr. automatically NOTE: The POP instruction cannot pop a value into the CS register. To load the CS register from the stack, use the RET instruction. Flags modified: none

Constructor Summary

Instruction_POP_Ev()
Class constructor

Instruction_POP_Ev(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() This pops the word or doubleword at stack top SS:SP into current segment at given offset (reg/mem) NOTE: Stack is incr.

Methods inherited from class java.lang.Object

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

Constructor Detail

Instruction_POP_Ev

public Instruction_POP_Ev()

Class constructor

Instruction_POP_Ev

public Instruction_POP_Ev(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

This pops the word or doubleword at stack top SS:SP into current segment at given offset (reg/mem) NOTE: Stack is incr. automatically NOTE: The POP instruction cannot pop a value into the CS register. To load the CS register from the stack, use the RET instruction.

Specified by:

execute in interface Instruction