| // DESCRIPTION: Verilator: Verilog Test module |
| // |
| // This file ONLY is placed into the Public Domain, for any use, |
| // without warranty, 2010 by Wilson Snyder. |
| |
| module t (/*AUTOARG*/ |
| // Inputs |
| clk |
| ); |
| input clk; |
| |
| integer cyc=0; |
| |
| reg [89:0] in; |
| |
| /*AUTOWIRE*/ |
| // Beginning of automatic wires (for undeclared instantiated-module outputs) |
| wire [89:0] out; // From test of Test.v |
| wire [44:0] line0; |
| wire [44:0] line1; |
| // End of automatics |
| |
| Test test (/*AUTOINST*/ |
| // Outputs |
| .out (out[89:0]), |
| .line0 (line0[44:0]), |
| .line1 (line1[44:0]), |
| // Inputs |
| .clk (clk), |
| .in (in[89:0])); |
| |
| // Test loop |
| always @ (posedge clk) begin |
| `ifdef TEST_VERBOSE |
| $write("[%0t] cyc==%0d in=%x out=%x\n",$time, cyc, in, out); |
| `endif |
| cyc <= cyc + 1; |
| if (cyc==0) begin |
| // Setup |
| in <= 90'h3FFFFFFFFFFFFFFFFFFFFFF; |
| end |
| else if (cyc==10) begin |
| if (in==out) begin |
| $write("*-* All Finished *-*\n"); |
| $finish; |
| end |
| else begin |
| $write("*-* Failed!! *-*\n"); |
| $finish; |
| end |
| end |
| end |
| |
| endmodule |
| |
| module Test (/*AUTOARG*/ |
| // Outputs |
| line0, line1, out, |
| // Inputs |
| clk, in |
| ); |
| |
| input clk; |
| input [89:0] in; |
| |
| output reg [44:0] line0; |
| output reg [44:0] line1; |
| output reg [89:0] out; |
| |
| assign {line0,line1} = in; |
| always @(posedge clk) begin |
| out <= {line0,line1}; |
| end |
| endmodule |