diff --git a/lib/csys/environ.ex b/lib/csys/environ.ex
index 9b4c4c0..e36fd84 100644
--- a/lib/csys/environ.ex
+++ b/lib/csys/environ.ex
@@ -4,7 +4,7 @@ defmodule Scopes.CSys.Environ do
   alias Scopes.Shape
 
   defmodule State do
-    defstruct [neurons: [], names: %{}, init_seq: []]
+    defstruct [neurons: [], cells: %{}, init_seq: []]
   end
 
   def setup({state, proc}, seq \\ []) do
@@ -25,14 +25,21 @@ defmodule Scopes.CSys.Environ do
   def process_creation(msg, {state, proc, syns, env}) do
     data = Shape.data(msg)
     new = data.new
+    addr = data[:addr]
+    cells = if addr do
+      [dom, cat, item] = addr
+      Map.update(state.cells, {dom, cat}, %{item => new}, 
+        fn x -> Map.put(x, item, new) end)
+    else
+      state.cells
+    end
     neurons = [new | state.neurons]
-    names = data[:name] && Map.put(state.names, data.name, new) || state.names
     {step, seq} = List.pop_at(state.init_seq, 0)
-    state1 = %State{neurons: neurons, names: names, init_seq: seq}
+    state1 = %State{neurons: neurons, cells: cells, init_seq: seq}
     CSys.update({state1, proc, syns, env})
     if step do
       Process.sleep(1)
-      step.(neurons)
+      step.(env, state1)
     end
   end
 end
diff --git a/lib/csys/program.ex b/lib/csys/program.ex
index 5afae88..7212933 100644
--- a/lib/csys/program.ex
+++ b/lib/csys/program.ex
@@ -1,6 +1,8 @@
 defmodule Scopes.CSys.Program do
   require Logger
-alias Scopes.CSys
+
+  alias Scopes.CSys
+  alias Scopes.CSys.Environ
   alias Scopes.Shape
 
   defmodule State do
@@ -133,12 +135,17 @@ alias Scopes.CSys
   # demo init sequences
  
   def init_seq_b1() do [
-    fn [zero | _ns] -> CSys.send_message(zero, ~w(csys create pred)a, 
-      %{op: [CSys.data_only(), negate()]}) end,
-    fn [one | _ns] -> CSys.send_message(one, ~w(csys create succ)a, 
-      %{op: CSys.data_only()}) end,
-    fn [two | _ns] -> CSys.send_message(two, ~w(csys create pred)a) end,
-    fn [three | others] ->
+    fn _env, %Environ.State{neurons: [zero]} -> 
+      CSys.send_message(zero, ~w(csys create pred)a, 
+        %{op: [CSys.data_only(), negate()]}) 
+    end,
+    fn _env, %Environ.State{neurons: [one | _ns]} -> 
+      CSys.send_message(one, ~w(csys create succ)a, %{op: CSys.data_only()}) 
+    end,
+    fn _env, %Environ.State{neurons: [two | _ns]} -> 
+      CSys.send_message(two, ~w(csys create pred)a) 
+    end,
+    fn _env, %Environ.State{neurons: [three | others]} ->
       zero = List.last(others)
       CSys.send_message(three, ~w(csys connect)a, %{target: zero})
     end
@@ -146,7 +153,7 @@ alias Scopes.CSys
   end
 
   def init_recursive_1() do [
-    fn [zero] -> 
+    fn _env, %Environ.State{neurons: [zero]} -> 
       CSys.send_message(zero, ~w(csys connect)a, %{target: zero, op: negate()}) 
       CSys.send_message(zero, ~w(csys create succ)a, %{name: ~w(csys e01 001)a})
     end