Some progress

src/main/java/net/brokenmoon/redcontrol/RedControl.java

@@ -2,6 +2,8 @@ package net.brokenmoon.redcontrol;
 
 import net.brokenmoon.redcontrol.blockentities.CpuEntity;
 import net.brokenmoon.redcontrol.blockentities.MonitorEntity;
+import net.brokenmoon.redcontrol.blocks.CpuBlock;
+import net.brokenmoon.redcontrol.blocks.MonitorBlock;
 import net.fabricmc.api.ModInitializer;
 
 import net.fabricmc.fabric.api.item.v1.FabricItemSettings;
@@ -23,8 +25,8 @@ public class RedControl implements ModInitializer {
     public static final Logger LOGGER = LoggerFactory.getLogger("redcontrol");
 
 	//Blocks
-	public static final Block CPU = new Block(FabricBlockSettings.create().strength(4.0f));
-	public static final Block MONITOR = new Block(FabricBlockSettings.create().strength(4.0f));
+	public static final CpuBlock CPU = new CpuBlock(FabricBlockSettings.create().strength(4.0f));
+	public static final MonitorBlock MONITOR = new MonitorBlock(FabricBlockSettings.create().strength(4.0f));
 	//Items
 
 	//Block Entities

src/main/java/net/brokenmoon/redcontrol/api/IRedBusConnectable.java

@@ -0,0 +1,4 @@
+package net.brokenmoon.redcontrol.api;
+
+public interface IRedBusConnectable {
+}

src/main/java/net/brokenmoon/redcontrol/blockentities/CpuEntity.java

@@ -4,6 +4,7 @@ import com.simon816.j65el02.Bus;
 import com.simon816.j65el02.Cpu;
 import com.simon816.j65el02.device.*;
 import net.brokenmoon.redcontrol.RedControl;
+import net.brokenmoon.redcontrol.api.IRedBusConnectable;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.util.math.BlockPos;
@@ -15,7 +16,7 @@ import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.Semaphore;
 
-public class CpuEntity extends BlockEntity implements Runnable{
+public class CpuEntity extends BlockEntity implements IRedBusConnectable, Runnable{
 
     static long interruptTimer = 50L;
     //Adjust as needed to match original clock speed