Up to date tb model
diff --git a/verilog/rtl/openram_testchip_gpio_tb.v b/verilog/rtl/openram_testchip_gpio_tb.v
index d8f0116..df152e8 100644
--- a/verilog/rtl/openram_testchip_gpio_tb.v
+++ b/verilog/rtl/openram_testchip_gpio_tb.v
@@ -28,7 +28,7 @@
   reg          gpio_in;

   reg          gpio_scan;

   reg          gpio_sram_load;

-  reg          global_csr;

+  reg          global_csb;

  

   wire [`ADDR_SIZE-1:0] addr0;

   wire [`DATA_SIZE-1:0] din0;

@@ -86,7 +86,7 @@
     .gpio_in(gpio_in),

     .gpio_scan(gpio_scan),

     .gpio_sram_load(gpio_sram_load),

-    .global_csr(global_csr),

+    .global_csb(global_csb),

     .sram0_data0(sram0_data0),

     .sram0_data1(sram0_data1),

     .sram1_data0(sram1_data0),

@@ -332,7 +332,7 @@
   la_sram_load = 0;

   la_data_in = 0;

   resetn = 1;

-  global_csr = 1;

+  global_csb = 1;

   clk = 1;

   

   //Testing 32B Dual Port Memories

@@ -350,9 +350,9 @@
     end

     

     gpio_scan = 0;

-    global_csr = 0;

+    global_csb = 0;

     #10;

-    global_csr = 1;

+    global_csb = 1;

     gpio_sram_load = 1;

     #10;

       

@@ -367,9 +367,9 @@
     end

 

     gpio_scan = 0;

-    global_csr = 0;

+    global_csb = 0;

     #10;

-    global_csr = 1;

+    global_csb = 1;

     gpio_sram_load = 1;

     #10;     

     

@@ -385,9 +385,9 @@
     end

 

     gpio_scan = 0;

-    global_csr = 0;

+    global_csb = 0;

     #10;

-    global_csr = 1;

+    global_csb = 1;

     gpio_sram_load = 1;

     #10;

     

@@ -417,9 +417,9 @@
     end

     

     gpio_scan = 0;

-    global_csr = 0;

+    global_csb = 0;

     #10;

-    global_csr = 1;

+    global_csb = 1;

     gpio_sram_load = 1;

     #10;  

     

@@ -434,9 +434,9 @@
     end

 

     gpio_scan = 0;

-    global_csr = 0;

+    global_csb = 0;

     #10;

-    global_csr = 1;

+    global_csb = 1;

     gpio_sram_load = 1;

     #10;    

       

@@ -465,9 +465,9 @@
   end

   

   gpio_scan = 0;

-  global_csr = 0;

+  global_csb = 0;

   #10;

-  global_csr = 1;

+  global_csb = 1;

   gpio_sram_load = 1;

   #10;  

   

@@ -482,9 +482,9 @@
   end

 

   gpio_scan = 0;

-  global_csr = 0;

+  global_csb = 0;

   #10;

-  global_csr = 1;

+  global_csb = 1;

   gpio_sram_load = 1;

   #10;