19 lines
352 B
Coq
19 lines
352 B
Coq
|
// Demo for $anyconst
|
||
|
|
|
||
|
|
module demo5 (input clk);
|
||
|
|
wire [7:0] step_size = $anyconst;
|
||
|
|
reg [7:0] state = 0, count = 0;
|
||
|
|
reg [31:0] hash = 0;
|
||
|
|
|
||
|
|
always @(posedge clk) begin
|
||
|
|
count <= count + 1;
|
||
|
|
hash <= ((hash << 5) + hash) ^ state;
|
||
|
|
state <= state + step_size;
|
||
|
|
end
|
||
|
|
|
||
|
|
always @* begin
|
||
|
|
if (count == 42)
|
||
|
|
assert(hash == 32'h A18FAC0A);
|
||
|
|
end
|
||
|
|
endmodule
|