Operand implemented, not used in instructions

app/src/main/java/hatelace/Address.java

@@ -1,6 +1,6 @@
 package hatelace;
 
-public class Address {
+public class Address implements Operand {
     int address;
 
     public Address(int address) {
@@ -14,4 +14,8 @@ public class Address {
     public String toString() {
         return Integer.toString(address);
     }
+
+    public Word getWord(Memory memory) {
+        return memory.read(this);
+    }
 }

app/src/main/java/hatelace/Operand.java

@@ -0,0 +1,5 @@
+package hatelace;
+
+public interface Operand {
+    Word getWord(Memory memory);
+}

app/src/main/java/hatelace/Word.java

@@ -1,6 +1,6 @@
 package hatelace;
 
-public abstract class Word {
+public abstract class Word implements Operand {
     public abstract <T> T getValue();
     public abstract Word add(Word other);
     public abstract Word subtract(Word other);

app/src/main/java/hatelace/memtypes/IntWord.java

@@ -1,5 +1,6 @@
 package hatelace.memtypes;
 
+import hatelace.Memory;
 import hatelace.Word;
 
 public class IntWord extends Word {
@@ -15,6 +16,11 @@ public class IntWord extends Word {
         return value;
     }
 
+    @Override
+    public Word getWord(Memory memory) {
+        return this;
+    }
+
     public Word add(Word other) {
         return new IntWord(value + (Integer) other.getValue());
     }

app/src/main/java/hatelace/memtypes/LongWord.java

@@ -1,5 +1,6 @@
 package hatelace.memtypes;
 
+import hatelace.Memory;
 import hatelace.Word;
 
 public class LongWord extends Word {
@@ -15,6 +16,11 @@ public class LongWord extends Word {
         return value;
     }
 
+    @Override
+    public Word getWord(Memory memory) {
+        return this;
+    }
+
     public Word add(Word other) {
         return new LongWord(value + (Long) other.getValue());
     }