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DZTerminalDevice.java
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DZTerminalDevice.java
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//
// Copyright (c) 2001 Eric A. Edwards
//
// This file is part of PDPCafe.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// DZTerminalDevice.java - DZ-11 Terminal Mux Device.
//
package PDPCafe;
import java.io.*;
import java.net.*;
import java.util.*;
public class DZTerminalDevice implements UnibusDevice {
private static final int DZ_BASE = 0760100;
private static final int DZ_SIZE = 4;
private static final int DZ_TELNET_PORT = 2002;
private static final int DZ_BRLEVEL = 4;
private static final int DZ_RVECTOR = 0310;
private static final int DZ_TVECTOR = 0314;
private static final int DZ_LINES = 8;
private static final int DZ_MAXSILO = 64;
private UnibusDeviceInfo info;
private Unibus u;
private String options;
private Socket socket;
private int csr;
private int lpr[];
private int tcr;
private int msr;
private int tdr;
private Vector silo;
public DZTerminalDevice() {
this(DZ_BASE, DZ_SIZE, "");
}
public DZTerminalDevice(int base, int size, String options) {
this.options = options;
u = Unibus.instance();
info = new UnibusDeviceInfo(this, base, size, "DZ11", false);
u.registerDevice(info);
lpr = new int[DZ_LINES];
silo = new Vector(DZ_MAXSILO);
}
public void reset() {
}
public short read(int addr) throws Trap {
int data;
switch(addr - info.base) {
case 0:
data = 0;
break;
default:
throw new Trap(Trap.UnibusTimeout);
}
return (short) data;
}
public void write(int addr, short data) throws Trap {
int temp = ((int) data) & 0177777;
switch (addr - info.base) {
default:
throw new Trap(Trap.UnibusTimeout);
}
}
public void writebyte(int addr, byte data) throws Trap {
}
public void eventService(int data) {
}
public void interruptService() {
}
}