diff --git a/Server/src/main/java/net/simon987/server/assembly/CPU.java b/Server/src/main/java/net/simon987/server/assembly/CPU.java
index 873907f..1643ed6 100755
--- a/Server/src/main/java/net/simon987/server/assembly/CPU.java
+++ b/Server/src/main/java/net/simon987/server/assembly/CPU.java
@@ -99,6 +99,8 @@ public class CPU implements MongoSerialisable {
         instructionSet.add(new JoInstruction(this));
         instructionSet.add(new PushfInstruction(this));
         instructionSet.add(new PopfInstruction(this));
+        instructionSet.add(new JnaInstruction(this));
+        instructionSet.add(new JaInstruction(this));
 
         status = new Status();
         memory = new Memory(config.getInt("memory_size"));
diff --git a/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java b/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java
new file mode 100644
index 0000000..20dca0f
--- /dev/null
+++ b/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java
@@ -0,0 +1,38 @@
+package net.simon987.server.assembly.instruction;
+
+import net.simon987.server.assembly.CPU;
+import net.simon987.server.assembly.Instruction;
+import net.simon987.server.assembly.Status;
+import net.simon987.server.assembly.Target;
+
+/**
+ * Jump if above
+ */
+public class JaInstruction extends Instruction {
+
+    public static final int OPCODE = 46;
+
+    private CPU cpu;
+
+    public JaInstruction(CPU cpu) {
+        super("ja", OPCODE);
+
+        this.cpu = cpu;
+    }
+
+    @Override
+    public Status execute(Target src, int srcIndex, Status status) {
+        if (!status.isCarryFlag() && !status.isZeroFlag()) {
+            cpu.setIp((char) src.get(srcIndex));
+        }
+        return status;
+    }
+
+    @Override
+    public Status execute(int src, Status status) {
+        if (!status.isCarryFlag() && !status.isZeroFlag()) {
+            cpu.setIp((char) src);
+        }
+        return status;
+    }
+}
diff --git a/Server/src/main/java/net/simon987/server/assembly/instruction/JnaInstruction.java b/Server/src/main/java/net/simon987/server/assembly/instruction/JnaInstruction.java
new file mode 100644
index 0000000..e143f7e
--- /dev/null
+++ b/Server/src/main/java/net/simon987/server/assembly/instruction/JnaInstruction.java
@@ -0,0 +1,38 @@
+package net.simon987.server.assembly.instruction;
+
+import net.simon987.server.assembly.CPU;
+import net.simon987.server.assembly.Instruction;
+import net.simon987.server.assembly.Status;
+import net.simon987.server.assembly.Target;
+
+/**
+ * Jump if not above
+ */
+public class JnaInstruction extends Instruction {
+
+    public static final int OPCODE = 47;
+
+    private CPU cpu;
+
+    public JnaInstruction(CPU cpu) {
+        super("jna", OPCODE);
+
+        this.cpu = cpu;
+    }
+
+    @Override
+    public Status execute(Target src, int srcIndex, Status status) {
+        if (status.isCarryFlag() || status.isZeroFlag()) {
+            cpu.setIp((char) src.get(srcIndex));
+        }
+        return status;
+    }
+
+    @Override
+    public Status execute(int src, Status status) {
+        if (status.isCarryFlag() || status.isZeroFlag()) {
+            cpu.setIp((char) src);
+        }
+        return status;
+    }
+}
\ No newline at end of file