mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-04 04:06:31 +00:00
44 lines
731 B
Coq
44 lines
731 B
Coq
|
// DESCRIPTION: Verilator: Verilog Test module
|
||
|
//
|
||
|
// This file ONLY is placed into the Public Domain, for any use,
|
||
|
// without warranty, 2012 by Wilson Snyder.
|
||
|
|
||
|
module t (/*AUTOARG*/
|
||
|
// Inputs
|
||
|
clk
|
||
|
);
|
||
|
input clk;
|
||
|
|
||
|
tri z0;
|
||
|
tri z1;
|
||
|
|
||
|
updown #(0) updown0 (.z(z0));
|
||
|
updown #(1) updown1 (.z(z1));
|
||
|
|
||
|
always @ (posedge clk) begin
|
||
|
if (z0 !== 0) $stop;
|
||
|
if (z1 !== 1) $stop;
|
||
|
$write("*-* All Finished *-*\n");
|
||
|
$finish;
|
||
|
end
|
||
|
|
||
|
endmodule
|
||
|
|
||
|
module updown #(parameter UP=0)
|
||
|
(inout z);
|
||
|
generate
|
||
|
if (UP) begin
|
||
|
t_up sub (.z);
|
||
|
end
|
||
|
else begin
|
||
|
t_down sub (.z);
|
||
|
end
|
||
|
endgenerate
|
||
|
endmodule
|
||
|
|
||
|
module t_up (inout tri1 z);
|
||
|
endmodule
|
||
|
|
||
|
module t_down (inout tri0 z);
|
||
|
endmodule
|