Created general project structure. Only seven segment, logic unit and adder/subtractor modules and tests implemented

modules/alu.v

@@ -0,0 +1,20 @@
+`include "asu.v"
+`include "lu.v"
+
+// flags[0:0] = Cout
+// flags[1:1] = Overflow
+module alu #(width=8)(input logic [3:0] op,
+    input logic [width-1:0] A, input logic [width-1:0] B.
+    output logic [width-1:0] OUT_1, output logic flags[1:0]);
+
+    logic [width-1:0] asu_out;
+    logic [1:0] asu_flags;
+    logic [0:0] asu_op;
+    asu #(width) adder_unit(asu_op, A, B, asu_out, asu_flags[0], asu_flags[1]);
+
+    logic [width-1:0] lu_out;
+    lu #(width) logic_unit(op[1:0], A, B, lu_out);
+
+    // Cout = asu_flags[0]
+    // Overflow = asu_flags[0] ^ asu_flags[1]
+endmodule