define an interface for supported machines and have the SymonMachine as first implementation. Remove machine-specific definitions out of the Simulator class.

src/main/java/com/loomcom/symon/machines/Machine.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2008-2014 Seth J. Morabito <sethm@loomcom.com>
+ *                         Maik Merten <maikmerten@googlemail.com>
+ *
+ * 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.
+ */
+
+package com.loomcom.symon.machines;
+
+import com.loomcom.symon.Bus;
+import com.loomcom.symon.Cpu;
+import com.loomcom.symon.devices.Acia;
+import com.loomcom.symon.devices.Crtc;
+import com.loomcom.symon.devices.Memory;
+import com.loomcom.symon.devices.Via;
+import com.loomcom.symon.exceptions.MemoryRangeException;
+
+
+public interface Machine {
+    
+    public Bus getBus();
+    
+    public Cpu getCpu();
+    
+    public Memory getRam();
+    
+    public Acia getAcia();
+    
+    public Via getVia();
+    
+    public Crtc getCrtc();
+    
+    public Memory getRom();
+    
+    public void setRom(Memory rom) throws MemoryRangeException;
+    
+    public int getRomBase();
+    
+    public int getRomSize();
+    
+    public int getMemorySize();
+    
+}