uk.co.javagear
Class Ports

java.lang.Object
  uk.co.javagear.Ports

public final class Ports
extends java.lang.Object

A class to attach virtual devices to the Z80's ports.

Version:

6th March 2002

Author:

Copyright (C) 2002 Chris White

See Also:

"JavaGear Final Project Report"

Field Summary

private Controllers	controllers Pointer to Controllers.
private boolean	europe European / Domestic System.
private int	nat1 Nationalization Bit 1.
private int	nat2 Nationalization Bit 2.
private SN76496	sn76496 Pointer to SN76496.
private Vdp	vdp Pointer to VDP.

Constructor Summary

Ports(Vdp v, Controllers c, SN76496 s)
Ports Constructor.

Method Summary

int	in(int port) Read from a Z80 Port.
void	out(int port, int value) Output to a Z80 port.
void	setEurope(boolean value) Set Console to European / Japanese Model.

Methods inherited from class java.lang.Object

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

Field Detail

vdp

private Vdp vdp

Pointer to VDP.

controllers

private Controllers controllers

Pointer to Controllers.

sn76496

private SN76496 sn76496

Pointer to SN76496.

nat1

private int nat1

Nationalization Bit 1.

nat2

private int nat2

Nationalization Bit 2.

europe

private boolean europe

European / Domestic System.

Constructor Detail

Ports

public Ports(Vdp v,
             Controllers c,
             SN76496 s)

Ports Constructor.

Parameters:

v - Vdp

c - Controllers

s - SN76496

Method Detail

out

public void out(int port,
                int value)

Output to a Z80 port.

Parameters:

port - Port Number

value - Value to Output

in

public int in(int port)

Read from a Z80 Port.

Parameters:

port - Port Number

Returns:

Value from Port Number

setEurope

public void setEurope(boolean value)

Set Console to European / Japanese Model.

Parameters:

value - True is European, False is Japanese