| // DESCRIPTION: Verilator: Verilog Test module |
| // |
| // This file ONLY is placed into the Public Domain, for any use, |
| // without warranty, 2003 by Wilson Snyder. |
| |
| module t (/*AUTOARG*/ |
| // Inputs |
| clk |
| ); |
| |
| input clk; |
| integer cyc; initial cyc=1; |
| |
| supply0 [1:0] low; |
| supply1 [1:0] high; |
| |
| reg [7:0] isizedwire; |
| reg ionewire; |
| |
| `ifdef never_just_for_verilog_mode |
| wire oonewire; // From sub of t_inst_v2k__sub.v |
| `endif |
| |
| wire [7:0] osizedreg; // From sub of t_inst_v2k__sub.v |
| wire [1:0] tied; |
| wire [3:0] tied_also; |
| |
| hello hsub (.tied_also); |
| |
| // Double underscore tests bug631 |
| t_inst_v2k__sub sub |
| ( |
| // Outputs |
| .osizedreg (osizedreg[7:0]), |
| // verilator lint_off IMPLICIT |
| .oonewire (oonewire), |
| // verilator lint_on IMPLICIT |
| .tied (tied[1:0]), |
| // Inputs |
| .isizedwire (isizedwire[7:0]), |
| .ionewire (ionewire)); |
| |
| always @ (posedge clk) begin |
| if (cyc!=0) begin |
| cyc <= cyc + 1; |
| if (cyc==1) begin |
| ionewire <= 1'b1; |
| isizedwire <= 8'd8; |
| end |
| if (cyc==2) begin |
| if (low != 2'b00) $stop; |
| if (high != 2'b11) $stop; |
| if (oonewire !== 1'b1) $stop; |
| if (isizedwire !== 8'd8) $stop; |
| if (tied != 2'b10) $stop; |
| if (tied_also != 4'b1010) $stop; |
| $write("*-* All Finished *-*\n"); |
| $finish; |
| end |
| end |
| end |
| |
| endmodule |
| |
| module hello(tied_also); |
| initial $write ("Hello\n"); |
| output reg [3:0] tied_also = 4'b1010; |
| |
| endmodule |