From 218a553ac5a385165152e51fabdaadf4cfd1bc2e Mon Sep 17 00:00:00 2001
From: Joey Kunzler <jkunzler@ucsc.edu>
Date: Thu, 28 May 2020 20:31:21 -0700
Subject: [PATCH] fix for replica column mirroring over y

---
 compiler/modules/replica_bitcell_array.py              | 6 ++++--
 compiler/tests/14_replica_bitcell_1rw_1r_array_test.py | 6 +++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/compiler/modules/replica_bitcell_array.py b/compiler/modules/replica_bitcell_array.py
index ff91f7fd..ff2260d3 100644
--- a/compiler/modules/replica_bitcell_array.py
+++ b/compiler/modules/replica_bitcell_array.py
@@ -91,14 +91,16 @@ class replica_bitcell_array(design.design):
         # Replica bitlines
         self.replica_columns = {}
         for bit in range(self.left_rbl+self.right_rbl):
+            # Creating left_rbl
             if bit<self.left_rbl:
                 replica_bit = bit+1
                 # dummy column
-                column_offset = 1
+                column_offset = self.left_rbl - bit
+            # Creating right_rbl
             else:
                 replica_bit = bit+self.row_size+1
                 # dummy column + replica column + bitcell colums
-                column_offset = 3 + self.row_size
+                column_offset = self.left_rbl - bit + self.row_size
             self.replica_columns[bit] = factory.create(module_type="replica_column",
                                                        rows=self.row_size,
                                                        left_rbl=self.left_rbl,
diff --git a/compiler/tests/14_replica_bitcell_1rw_1r_array_test.py b/compiler/tests/14_replica_bitcell_1rw_1r_array_test.py
index bc7cb631..d746eabc 100755
--- a/compiler/tests/14_replica_bitcell_1rw_1r_array_test.py
+++ b/compiler/tests/14_replica_bitcell_1rw_1r_array_test.py
@@ -28,9 +28,9 @@ class replica_bitcell_array_test(openram_test):
         OPTS.num_r_ports = 1
         OPTS.num_w_ports = 0
 
-        # debug.info(2, "Testing 4x4 array for cell_1rw_1r")
-        # a = factory.create(module_type="replica_bitcell_array", cols=4, rows=4, left_rbl=2, right_rbl=0, bitcell_ports=[0,1])
-        # self.local_check(a)
+        debug.info(2, "Testing 4x4 array for cell_1rw_1r")
+        a = factory.create(module_type="replica_bitcell_array", cols=4, rows=4, left_rbl=2, right_rbl=0, bitcell_ports=[0,1])
+        self.local_check(a)
 
         debug.info(2, "Testing 4x4 array for cell_1rw_1r")
         a = factory.create(module_type="replica_bitcell_array", cols=4, rows=4, left_rbl=1, right_rbl=1, bitcell_ports=[0,1])