diff --git a/unoptimized_lr/simple_lr_automaton.py b/unoptimized_lr/simple_lr_automaton.py
index 28ca4c36f3f466ad5d070d0ae652cc0064927cbb..8bb4cc4b5a7e42cc8b9236db9843faef92202fb5 100644
--- a/unoptimized_lr/simple_lr_automaton.py
+++ b/unoptimized_lr/simple_lr_automaton.py
@@ -102,35 +102,32 @@ from functools import reduce
 #         (Parser action: {shift terminal, accept, error, reduce with rule k})
 #
 #
+# Reduce rule table:
 #
-# GOTO table:
-#
-#           (current state number, nonterminal created by reduce rule)
-#                       WStates         WNonterminal
+#                           (reduce rule number)
+#                                WRules
 #                 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 #                /                                           \
 #   /----------------------\                        /---------------------\
-#   | Parse State Machine  |                        |      GOTO Table     |
+#   | Parse State Machine  |                        | Reduce Rule Table   |
 #   \----------------------/                        \---------------------/
 #               \                                            /
 #                <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-#                     (validity bit, next state number)
-#
+#              (nonterminal created, number of stack items to pop)
 #
 #
-# Reduce rule table:
+# GOTO table:
 #
-#                           (reduce rule number)
-#                                WRules
+#           (current state number, nonterminal created by reduce rule)
+#                       WStates         WNonterminal
 #                 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 #                /                                           \
 #   /----------------------\                        /---------------------\
-#   | Parse State Machine  |                        | Reduce Rule Table   |
+#   | Parse State Machine  |                        |      GOTO Table     |
 #   \----------------------/                        \---------------------/
 #               \                                            /
 #                <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-#              (nonterminal created, number of stack items to pop)
-#
+#                     (validity bit, next state number)
 #
 #
 # Parse item stack:
@@ -216,7 +213,24 @@ class ParametrizationConstants():
         self.W_parsetree_index = len(dummy_signal)
 
 
-
+class LR_automaton_internal(Layout):
+    def __init__(self, *, parameters):
+        super().__init__([
+            # TABLES
+            ("ShiftReduce_table_bus"),
+            ("GOTO_table_bus"),
+            ("Reduce_table_bus"),
+
+            # STACKS
+            ("parse_stack_bus"),
+            ("index_stack_bus"),
+
+            # INPUT
+            ("input_stream"),
+            # OUTPUTS
+            ("serialization_bus"),
+            ("sideband_bus")
+        ])
 
 class SimpleLRAutomaton(Elaboratable):
     def __init__(self, *, lr_tables, parameters):