tests/simple/values.v

   1
   2 module test_signed(a, b, c, d, y);
   3
   4 input [3:0] a, b, c;
   5 input signed [3:0] d;
   6 output reg [7:0] y;
   7
   8 always @* begin
   9         if (a && b)
  10                 y = c;
  11         else
  12                 y = d;
  13 end
  14
  15 endmodule
  16
  17 module test_const(a, y);
  18
  19 input [3:0] a;
  20 output reg [28:0] y;
  21
  22 always @*
  23         case (a)
  24                 4'b0000: y = 0;
  25                 4'b0001: y = 11;
  26                 4'b0010: y = 222;
  27                 4'b0011: y = 3456;
  28                 4'b0100: y = 'b10010010;
  29                 4'b0101: y = 'h123abc;
  30                 4'b0110: y = 'o1234567;
  31                 4'b0111: y = 'd3456789;
  32                 4'b1000: y = 16'b10010010;
  33                 4'b1001: y = 16'h123abc;
  34                 4'b1010: y = 16'o1234567;
  35                 4'b1011: y = 16'd3456789;
  36                 4'b1100: y = { "foo", "bar" };
  37                 4'b1101: y = "foobarfoobarfoobar";
  38                 4'b1110: y = 16'h1;
  39                 4'b1111: y = a;
  40                 default: y = 'bx;
  41         endcase
  42
  43 endmodule
  44