/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jopdesign.io;
import com.jopdesign.sys.Const;
import com.jopdesign.sys.JVMHelp;
import com.jopdesign.sys.Native;
public class JeopardIOFactory extends IOFactory {
private ControlChannel cc;
// Handles should be the first static fields!
private static int CC_PTR;
private static int CC_MTAB;
JeopardIOFactory() {
cc = (ControlChannel) makeHWObject(new ControlChannel(),
// 0x30 is now hardcoded, it's the next IO address
// available after the USB System.out port which is
// written by System.out.print()
Const.IO_BASE+0x30, 0);
};
// that has to be overridden by each sub class to get
// the correct cp
private static Object makeHWObject(Object o, int address, int idx) {
int cp = Native.rdIntMem(Const.RAM_CP);
return JVMHelp.makeHWObject(o, address, idx, cp);
}
static JeopardIOFactory single = new JeopardIOFactory();
public static JeopardIOFactory getJeopardIOFactory() {
return single;
}
public ControlChannel getControlPort() { return cc; }
}