diff --git a/apps/csys/lib/application.ex b/apps/csys/lib/application.ex
index f45fc5a..f945ffd 100644
--- a/apps/csys/lib/application.ex
+++ b/apps/csys/lib/application.ex
@@ -12,7 +12,7 @@ defmodule Scopes.CSys.Application do
     IO.puts("Hello CSys")
     Logger.info(Util.show [type, args])
     children = [
-      Scopes.Core.Environ,
+      {Scopes.Core.Environ, init: []},
       Scopes.CSys.Server.Endpoint
     ]
     opts = [strategy: :one_for_one, name: Scopes.CSys.Supervisor]
diff --git a/lib/core/environ.ex b/lib/core/environ.ex
index 73320ea..988f46d 100644
--- a/lib/core/environ.ex
+++ b/lib/core/environ.ex
@@ -2,6 +2,7 @@ defmodule Scopes.Core.Environ do
   @cell_registry __MODULE__.Cells
 
   alias Scopes.Core
+  alias Scopes.Core.Actor
   alias Scopes.Core.Shape
 
   defmodule State do
@@ -13,8 +14,13 @@ defmodule Scopes.Core.Environ do
       start: {__MODULE__, :start_link, opts}}
   end
 
-  def start_link() do
+  def start_link(opts \\ []) do
+    #IO.inspect(opts)
     Registry.start_link(keys: :unique, name: @cell_registry)
+    zero_spec = opts[:zero_spec]
+    if zero_spec do
+      setup(zero_spec, opts[:init_seq] || [])
+    end
   end
 
   def cells(), do: @cell_registry
@@ -22,9 +28,10 @@ defmodule Scopes.Core.Environ do
   def setup({state, proc}, init_seq, proc_env \\ &proc_env/2) do
     env_scope = {%State{init_seq: init_seq}, proc_env, [], self()}
     env = Core.neuron(env_scope)
+    Actor.register(env, cells(), {:env, :c00})
     msg = Shape.create([:csys, :zero], data: %{addr: [:csys, :c00, "0-0"]})
-    proc = {state, proc, [], env}
-    Core.create(msg, proc)
+    scope = {state, proc, [], env}
+    Core.create(msg, scope)
     env
   end
 
diff --git a/test/core/actor_test.exs b/test/core/actor_test.exs
index a004846..11b2f2e 100644
--- a/test/core/actor_test.exs
+++ b/test/core/actor_test.exs
@@ -1,5 +1,5 @@
 defmodule Scopes.CoreActorTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case, async: false
   alias Scopes.Core.Actor
 
   describe "actors:" do
diff --git a/test/core/core_test.exs b/test/core/core_test.exs
index e8a27a2..12db1fb 100644
--- a/test/core/core_test.exs
+++ b/test/core/core_test.exs
@@ -17,9 +17,12 @@ defmodule Scopes.CoreTest do
 
   describe "core-basic:" do
     test "minimal-b1" do
-      Environ.start_link()
-      env = Environ.setup(Program.prepare_basic(), Program.init_seq_b1())
+      Environ.start_link(
+        zero_spec: Program.prepare_basic(),
+        init_seq: Program.init_seq_b1())
+      #env = Environ.setup(Program.prepare_basic(), Program.init_seq_b1())
       Process.sleep(50)
+      [{env, _val}] = Registry.lookup(Environ.cells(), {:env, :c00})
       Environ.forward_value(env, [:csys, :c00, "0-0"], 0)
       assert 0 = receive_data().value
       Environ.forward_value(env, [:csys, :s01, "1-0"], 1)
diff --git a/test/core/shape_test.exs b/test/core/shape_test.exs
index 584d47d..38d8cb2 100644
--- a/test/core/shape_test.exs
+++ b/test/core/shape_test.exs
@@ -1,5 +1,5 @@
 defmodule Scopes.CoreShapeTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case, async: false
 
   alias Scopes.Core.Shape
 
diff --git a/test/demo_test.exs b/test/demo_test.exs
index 9245b20..37fcd00 100644
--- a/test/demo_test.exs
+++ b/test/demo_test.exs
@@ -1,5 +1,5 @@
 defmodule Scopes.DemoTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case, async: false
   alias Scopes.Demo.Hello
   doctest Hello
 
diff --git a/test/util_test.exs b/test/util_test.exs
index d95b84b..80af92a 100644
--- a/test/util_test.exs
+++ b/test/util_test.exs
@@ -1,5 +1,5 @@
 defmodule Scopes.UtilTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case, async: false
 
   alias Scopes.Util
   require Util