Added width definition.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/rtl/sha256.v b/src/rtl/sha256.v
index 17fcd84..67c8a6b 100644
--- a/src/rtl/sha256.v
+++ b/src/rtl/sha256.v
@@ -242,12 +242,12 @@ module sha256(
     begin
       if (!reset_n)
         begin
-          init_reg         <= 0;
-          next_reg         <= 0;
+          init_reg         <= 1'h0;
+          next_reg         <= 1'h0;
           mode_reg         <= MODE_SHA_256;
-          ready_reg        <= 0;
+          ready_reg        <= 1'h0;
           digest_reg       <= 256'h0;
-          digest_valid_reg <= 0;
+          digest_valid_reg <= 1'h0;
           block0_reg       <= 32'h0;
           block1_reg       <= 32'h0;
           block2_reg       <= 32'h0;