Writing test data into the core regs.

1 files changed, 16 insertions, 2 deletions

diff --git a/src/tb/tb_sha3.v b/src/tb/tb_sha3.v
index 95fe048..06f6546 100644
--- a/src/tb/tb_sha3.v
+++ b/src/tb/tb_sha3.v
@@ -111,7 +111,6 @@ module tb_sha3();
     begin
       $display("State of the DUT");
       $display("----------------");
-      $display("");
       $display("st[00] = 0x%016x, st[01] = 0x%016x", dut.st[00], dut.st[01]);
       $display("st[02] = 0x%016x, st[03] = 0x%016x", dut.st[02], dut.st[03]);
       $display("st[04] = 0x%016x, st[05] = 0x%016x", dut.st[04], dut.st[05]);
@@ -217,8 +216,23 @@ module tb_sha3();
   // zero data input.
   //----------------------------------------------------------------
   task simple_test;
-    begin
+    reg [7 : 0] i;
+
+    begin : stest;
+
+      dump_state();
+
+      for (i = 0 ; i < 64 ; i = i + 1)
+        begin
+          tb_write_data = {i, i, i, i};
+          tb_address = i[6 : 0];
+          tb_we = 1;
+          #(CLK_PERIOD);
+          tb_we = 0;
+        end
+
       dump_state();
+
     end
   endtask // simple_test