diff --git a/Keyboard Sample Code/SampleDisplay.v b/Keyboard Sample Code/SampleDisplay.v
index a94418c..c56142f 100755
--- a/Keyboard Sample Code/SampleDisplay.v	
+++ b/Keyboard Sample Code/SampleDisplay.v	
@@ -9,31 +9,29 @@ module SampleDisplay(
 	
 	parameter [8:0] LEFT_SHIFT_CODES  = 9'b0_0001_0010;
 	parameter [8:0] RIGHT_SHIFT_CODES = 9'b0_0101_1001;
-	parameter [8:0] KEY_CODES [0:19] = {
-		9'b0_0100_0101,	// 0 => 45
-		9'b0_0001_0110,	// 1 => 16
-		9'b0_0001_1110,	// 2 => 1E
-		9'b0_0010_0110,	// 3 => 26
-		9'b0_0010_0101,	// 4 => 25
-		9'b0_0010_1110,	// 5 => 2E
-		9'b0_0011_0110,	// 6 => 36
-		9'b0_0011_1101,	// 7 => 3D
-		9'b0_0011_1110,	// 8 => 3E
-		9'b0_0100_0110,	// 9 => 46
+	parameter [8:0] KEY_CODES_00 = 9'b0_0100_0101;	// 0 => 45
+	parameter [8:0] KEY_CODES_01 = 9'b0_0001_0110;	// 1 => 16
+	parameter [8:0] KEY_CODES_02 = 9'b0_0001_1110;	// 2 => 1E
+	parameter [8:0] KEY_CODES_03 = 9'b0_0010_0110;	// 3 => 26
+	parameter [8:0] KEY_CODES_04 = 9'b0_0010_0101;	// 4 => 25
+	parameter [8:0] KEY_CODES_05 = 9'b0_0010_1110;	// 5 => 2E
+	parameter [8:0] KEY_CODES_06 = 9'b0_0011_0110;	// 6 => 36
+	parameter [8:0] KEY_CODES_07 = 9'b0_0011_1101;	// 7 => 3D
+	parameter [8:0] KEY_CODES_08 = 9'b0_0011_1110;	// 8 => 3E
+	parameter [8:0] KEY_CODES_09 = 9'b0_0100_0110;	// 9 => 46
 		
-		9'b0_0111_0000, // right_0 => 70
-		9'b0_0110_1001, // right_1 => 69
-		9'b0_0111_0010, // right_2 => 72
-		9'b0_0111_1010, // right_3 => 7A
-		9'b0_0110_1011, // right_4 => 6B
-		9'b0_0111_0011, // right_5 => 73
-		9'b0_0111_0100, // right_6 => 74
-		9'b0_0110_1100, // right_7 => 6C
-		9'b0_0111_0101, // right_8 => 75
-		9'b0_0111_1101  // right_9 => 7D
-	};
+	parameter [8:0] KEY_CODES_10 = 9'b0_0111_0000; // right_0 => 70
+	parameter [8:0] KEY_CODES_11 = 9'b0_0110_1001; // right_1 => 69
+	parameter [8:0] KEY_CODES_12 = 9'b0_0111_0010; // right_2 => 72
+	parameter [8:0] KEY_CODES_13 = 9'b0_0111_1010; // right_3 => 7A
+	parameter [8:0] KEY_CODES_14 = 9'b0_0110_1011; // right_4 => 6B
+	parameter [8:0] KEY_CODES_15 = 9'b0_0111_0011; // right_5 => 73
+	parameter [8:0] KEY_CODES_16 = 9'b0_0111_0100; // right_6 => 74
+	parameter [8:0] KEY_CODES_17 = 9'b0_0110_1100; // right_7 => 6C
+	parameter [8:0] KEY_CODES_18 = 9'b0_0111_0101; // right_8 => 75
+	parameter [8:0] KEY_CODES_19 = 9'b0_0111_1101; // right_9 => 7D
 	
-	reg [15:0] nums;
+	reg [15:0] nums, next_nums;
 	reg [3:0] key_num;
 	reg [9:0] last_key;
 	
@@ -66,42 +64,45 @@ module SampleDisplay(
 		if (rst) begin
 			nums <= 16'b0;
 		end else begin
-			nums <= nums;
-			if (been_ready && key_down[last_change] == 1'b1) begin
-				if (key_num != 4'b1111)begin
-					if (shift_down == 1'b1) begin
-						nums <= {key_num, nums[15:4]};
-					end else begin
-						nums <= {nums[11:0], key_num};
-					end
-				end
-			end
+			nums <= next_nums;
 		end
 	end
-	
+	always @ (*) begin
+		next_nums = nums;
+		if (been_ready && key_down[last_change] == 1'b1) begin
+			if (key_num != 4'b1111) begin
+				if (shift_down == 1'b1) begin
+					next_nums = {key_num, nums[15:4]};
+				end else begin
+					next_nums = {nums[11:0], key_num};
+				end
+			end else next_nums = next_nums;
+		end else next_nums = next_nums;
+	end
+
 	always @ (*) begin
 		case (last_change)
-			KEY_CODES[00] : key_num = 4'b0000;
-			KEY_CODES[01] : key_num = 4'b0001;
-			KEY_CODES[02] : key_num = 4'b0010;
-			KEY_CODES[03] : key_num = 4'b0011;
-			KEY_CODES[04] : key_num = 4'b0100;
-			KEY_CODES[05] : key_num = 4'b0101;
-			KEY_CODES[06] : key_num = 4'b0110;
-			KEY_CODES[07] : key_num = 4'b0111;
-			KEY_CODES[08] : key_num = 4'b1000;
-			KEY_CODES[09] : key_num = 4'b1001;
-			KEY_CODES[10] : key_num = 4'b0000;
-			KEY_CODES[11] : key_num = 4'b0001;
-			KEY_CODES[12] : key_num = 4'b0010;
-			KEY_CODES[13] : key_num = 4'b0011;
-			KEY_CODES[14] : key_num = 4'b0100;
-			KEY_CODES[15] : key_num = 4'b0101;
-			KEY_CODES[16] : key_num = 4'b0110;
-			KEY_CODES[17] : key_num = 4'b0111;
-			KEY_CODES[18] : key_num = 4'b1000;
-			KEY_CODES[19] : key_num = 4'b1001;
-			default		  : key_num = 4'b1111;
+			KEY_CODES_00 : key_num = 4'b0000;
+			KEY_CODES_01 : key_num = 4'b0001;
+			KEY_CODES_02 : key_num = 4'b0010;
+			KEY_CODES_03 : key_num = 4'b0011;
+			KEY_CODES_04 : key_num = 4'b0100;
+			KEY_CODES_05 : key_num = 4'b0101;
+			KEY_CODES_06 : key_num = 4'b0110;
+			KEY_CODES_07 : key_num = 4'b0111;
+			KEY_CODES_08 : key_num = 4'b1000;
+			KEY_CODES_09 : key_num = 4'b1001;
+			KEY_CODES_10 : key_num = 4'b0000;
+			KEY_CODES_11 : key_num = 4'b0001;
+			KEY_CODES_12 : key_num = 4'b0010;
+			KEY_CODES_13 : key_num = 4'b0011;
+			KEY_CODES_14 : key_num = 4'b0100;
+			KEY_CODES_15 : key_num = 4'b0101;
+			KEY_CODES_16 : key_num = 4'b0110;
+			KEY_CODES_17 : key_num = 4'b0111;
+			KEY_CODES_18 : key_num = 4'b1000;
+			KEY_CODES_19 : key_num = 4'b1001;
+			default		 : key_num = 4'b1111;
 		endcase
 	end