| // DESCRIPTION: Verilator: Verilog Test module |
| // |
| // This file ONLY is placed into the Public Domain, for any use, |
| // without warranty, 2008 by Wilson Snyder. |
| |
| module t (/*AUTOARG*/ |
| // Inputs |
| clk |
| ); |
| input clk; |
| |
| reg [1:0] in; |
| |
| /*AUTOWIRE*/ |
| // Beginning of automatic wires (for undeclared instantiated-module outputs) |
| wire [1:0] out10; // From test of Test.v |
| wire [1:0] out32; // From test of Test.v |
| // End of automatics |
| |
| Test test (/*AUTOINST*/ |
| // Outputs |
| .out32 (out32[1:0]), |
| .out10 (out10[1:0]), |
| // Inputs |
| .in (in[1:0])); |
| |
| // Test loop |
| always @ (posedge clk) begin |
| in <= in + 1; |
| `ifdef TEST_VERBOSE |
| $write("[%0t] in=%d out32=%d out10=%d\n",$time, in, out32, out10); |
| `endif |
| if (in==3) begin |
| $write("*-* All Finished *-*\n"); |
| $finish; |
| end |
| end |
| endmodule |
| |
| module Test (/*AUTOARG*/ |
| // Outputs |
| out32, out10, |
| // Inputs |
| in |
| ); |
| input [1:0] in; |
| output [1:0] out32; |
| output [1:0] out10; |
| |
| assign out32 = in[3:2]; |
| assign out10 = in[1:0]; |
| endmodule |