unholy creature of steel has been born

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

@@ -14,6 +14,7 @@ import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
 import net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder;
 import net.fabricmc.fabric.api.resource.ResourceManagerHelper;
 import net.fabricmc.fabric.api.resource.SimpleSynchronousResourceReloadListener;
+import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.block.entity.BlockEntityType;
 import net.minecraft.item.BlockItem;
 import net.minecraft.item.Item;
@@ -109,6 +110,15 @@ public class RedControl implements ModInitializer {
             cpu.reset();
             LOGGER.info("Resetting cpu at {}", blockPos);
         })));
+
+		ServerPlayNetworking.registerGlobalReceiver(RedControlNetworking.KEY_PRESS, ((server,player,handler,buf,responseSender) -> server.execute(() -> {
+			BlockPos blockPos = buf.readBlockPos();
+			byte key = buf.readByte();
+			BlockEntity term = player.getWorld().getBlockEntity(blockPos);
+			if (term instanceof TerminalEntity te) {
+				te.pushKey(key);
+			}
+		})));
 	}
 
 	static Identifier modloc(String path) {return new Identifier("redcontrol",path);}