Added Random number generator

Plugin Misc HW/plugin.properties

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+classpath=net.simon987.mischwplugin.MiscHWPlugin
+name=Misc HW Plugin
+version=1.0

Plugin Misc HW/src/net/simon987/mischwplugin/MiscHWPlugin.java

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+package net.simon987.mischwplugin;
+
+import net.simon987.mischwplugin.event.CpuInitialisationListener;
+import net.simon987.server.assembly.CpuHardware;
+import net.simon987.server.io.CpuHardwareDeserializer;
+import net.simon987.server.logging.LogManager;
+import net.simon987.server.plugin.ServerPlugin;
+import org.json.simple.JSONObject;
+
+public class MiscHWPlugin extends ServerPlugin implements CpuHardwareDeserializer {
+
+
+    @Override
+    public void init() {
+        listeners.add(new CpuInitialisationListener());
+
+        LogManager.LOGGER.info("Initialised Misc Hardware Plugin");
+    }
+
+    @Override
+    public CpuHardware deserializeHardware(JSONObject hwJson) {
+        int hwid = (int) (long) hwJson.get("hwid");
+
+        switch (hwid) {
+            case RandomNumberGenerator.HWID:
+                return RandomNumberGenerator.deserialize(hwJson);
+        }
+
+        return null;
+    }
+}

Plugin Misc HW/src/net/simon987/mischwplugin/RandomNumberGenerator.java

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+package net.simon987.mischwplugin;
+
+import net.simon987.server.assembly.CpuHardware;
+import net.simon987.server.assembly.Status;
+import org.json.simple.JSONObject;
+
+import java.util.Random;
+
+public class RandomNumberGenerator extends CpuHardware {
+
+    public static final char HWID = 0x0007;
+
+    public static final char DEFAULT_ADDRESS = 0x0007;
+
+    private Random random;
+
+    public RandomNumberGenerator() {
+        random = new Random();
+    }
+
+    @Override
+    public void handleInterrupt(Status status) {
+
+        getCpu().getRegisterSet().getRegister("B").setValue(random.nextInt(0xFFFF));
+
+    }
+
+    @Override
+    public char getId() {
+        return HWID;
+    }
+
+    @Override
+    public JSONObject serialise() {
+        JSONObject json = new JSONObject();
+        json.put("hwid", (int) HWID);
+
+        return json;
+    }
+
+    public static RandomNumberGenerator deserialize(JSONObject hwJSON) {
+        return new RandomNumberGenerator();
+    }
+}

Plugin Misc HW/src/net/simon987/mischwplugin/event/CpuInitialisationListener.java

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+package net.simon987.mischwplugin.event;
+
+import net.simon987.mischwplugin.RandomNumberGenerator;
+import net.simon987.server.assembly.CPU;
+import net.simon987.server.event.CpuInitialisationEvent;
+import net.simon987.server.event.GameEvent;
+import net.simon987.server.event.GameEventListener;
+
+public class CpuInitialisationListener implements GameEventListener {
+
+    @Override
+    public Class getListenedEventType() {
+        return CpuInitialisationEvent.class;
+    }
+
+    @Override
+    public void handle(GameEvent event) {
+
+        CPU cpu = (CPU) event.getSource();
+
+        cpu.attachHardware(new RandomNumberGenerator(), RandomNumberGenerator.DEFAULT_ADDRESS);
+    }
+}