01/02 some easy ai and some pic

TankGame.srcs/sources_1/new/Random.v

@@ -0,0 +1,64 @@
+`timescale 1ns / 1ps 
+//////////////////////////////////////////////////////////////////////////////////
+// Company:
+// Engineer:
+//
+// Create Date: 01/02/2021 06:07:12 PM
+// Design Name:
+// Module Name: Random
+// Project Name:
+// Target Devices:
+// Tool Versions:
+// Description:
+//
+// Dependencies:
+//
+// Revision:
+// Revision 0.01 - File Created
+// Additional Comments:
+//
+//////////////////////////////////////////////////////////////////////////////////
+
+
+module Random(
+           input clk,
+           input rst_n,
+           input [ 1: 0 ] flag,
+           output reg [ 1: 0 ] random
+       );
+reg [ 7: 0 ] rand_num;
+always @( * ) begin
+    case ( flag )
+        2'b00:
+            random <= rand_num[ 1: 0 ];
+        2'b01:
+            random <= rand_num[ 3: 2 ];
+        2'b10:
+            random <= rand_num[ 5: 4 ];
+        2'b11:
+            random <= rand_num[ 7: 6 ];
+    endcase
+end
+
+
+
+initial begin
+    rand_num = 8'b1111_1111;
+end
+always@( posedge clk ) begin
+    if ( !rst_n ) begin
+        rand_num <= 8'b1111_1111;
+    end
+    else begin
+        rand_num[ 0 ] <= rand_num[ 7 ];
+        rand_num[ 1 ] <= rand_num[ 0 ];
+        rand_num[ 2 ] <= rand_num[ 1 ];
+        rand_num[ 3 ] <= rand_num[ 2 ];
+        rand_num[ 4 ] <= rand_num[ 3 ] ^ rand_num[ 7 ];
+        rand_num[ 5 ] <= rand_num[ 4 ] ^ rand_num[ 7 ];
+        rand_num[ 6 ] <= rand_num[ 5 ] ^ rand_num[ 7 ];
+        rand_num[ 7 ] <= rand_num[ 6 ];
+    end
+
+end
+endmodule