-
Notifications
You must be signed in to change notification settings - Fork 0
/
cell_module.sv
62 lines (55 loc) · 1.32 KB
/
cell_module.sv
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
module cell_module(clock, reset, player, select, out);
input logic clock, reset, player, select; //player 0 = X, player 1 = O
output logic [1:0] out;
enum {x, o, none} ps, ns;
always_comb
case(ps)
none: if (!player & select) ns = x;
else if (player & select) ns = o;
else ns = none;
x: ns = x;
o: ns = o;
default: ns = none;
endcase
assign out = {ps == o, ps == x};
always_ff @(posedge clock)
if (reset)
ps <= none;
else
ps <= ns;
endmodule
module cell_module_testbench();
logic clock, reset, player, select;
logic [1:0] row, col;
logic [15:0] [15:0] red;
cell_module dut (clock, reset, player, select, row, col, red);
// Set up the clock
parameter CLOCK_PERIOD=100;
initial begin
clock <= 0;
forever #(CLOCK_PERIOD/2) clock <= ~clock;
end
integer p, i, j;
initial begin
for (p = 0; p <2; p++) begin
for (i = 0; i< 3; i++) begin
for (j = 0; j <3; j++) begin
@(posedge clock); reset <= 1;
@(posedge clock); reset <= 0;
@(posedge clock); player <= p;
@(posedge clock); row <= j;
@(posedge clock); col <= i;
@(posedge clock); select <= 1;
@(posedge clock); select <= 0;
@(posedge clock);
@(posedge clock);
@(posedge clock);
@(posedge clock);
@(posedge clock);
@(posedge clock);
end
end
end
$stop;
end
endmodule