23 lines
394 B
Coq
23 lines
394 B
Coq
|
module top;
|
||
|
|
reg passed = 1'b1;
|
||
|
|
reg [7:0] in;
|
||
|
|
|
||
|
|
lwr dut(in);
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
#1 in = 8'd1;
|
||
|
|
#1 in = 8'd2;
|
||
|
|
|
||
|
|
#1 if (passed) $display("PASSED");
|
||
|
|
end
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
module lwr(input [7:0] xin);
|
||
|
|
wire [7:0] x1 = {xin,{0{1'b0}}};
|
||
|
|
|
||
|
|
always @(x1) if (x1 != $time) begin
|
||
|
|
$display("Failed at time %2d, expected %2d, got %2d", $time, $time, x1);
|
||
|
|
top.passed = 1'b0;
|
||
|
|
end
|
||
|
|
endmodule
|