mirror of https://github.com/badvision/jace.git
63 lines
2.3 KiB
Java
63 lines
2.3 KiB
Java
/*
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* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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package jace.apple2e.softswitch;
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import jace.core.RAMEvent;
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import jace.core.SoftSwitch;
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/**
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* A memory softswitch is a softswitch which triggers a memory reconfiguration
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* after its value is changed.
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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public class MemorySoftSwitch extends SoftSwitch {
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public MemorySoftSwitch(String name, int offAddress, int onAddress, int queryAddress, RAMEvent.TYPE changeType, Boolean initalState) {
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super(name, offAddress, onAddress, queryAddress, changeType, initalState);
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}
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public MemorySoftSwitch(String name, int[] offAddrs, int[] onAddrs, int[] queryAddrs, RAMEvent.TYPE changeType, Boolean initalState) {
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super(name, offAddrs, onAddrs, queryAddrs, changeType, initalState);
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}
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@Override
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public void stateChanged() {
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// System.out.println(getName()+ " was switched to "+getState());
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if (computer.getMemory() != null) {
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computer.getMemory().configureActiveMemory();
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}
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}
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// Todo: Implement floating bus, maybe?
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@Override
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protected byte readSwitch() {
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if (computer.getVideo() == null) {
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return 0x00;
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} else {
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byte value = computer.getVideo().getFloatingBus();
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if (getState()) {
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return (byte) (value | 0x080);
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} else {
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return (byte) (value & 0x07f);
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}
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}
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}
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}
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