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Design:
[CODE]module dice_game(
input wire clk,
input wire roll,
output reg [2:0] die1,
output reg [2:0] die2,
output reg win
);

always @(posedge clk) begin
if (roll) begin
die1 <= $urandom_range(1, 6);
die2 <= $urandom_range(1, 6);
if ((die1 + die2 == 7) || (die1 + die2 == 11))
win <= 1;
else
win <= 0;
end
else
begin
win <= 0;
end
end
endmodule

Testbench:
module tb_dice_game;

reg clk;
reg roll;
wire [2:0] die1;
wire [2:0] die2;
wire win;

dice_game uut (
.clk(clk),
.roll(roll),
.die1(die1),
.die2(die2),
.win(win)
);

initial begin
clk = 0;
forever #5 clk = ~clk;
end

initial begin
roll = 0;
#10;

repeat (10) begin
roll = 1;
#10;
roll = 0;
#10;
end

#50;
$finish;
end

initial begin
$monitor("At time %t, roll = %b, die1 = %d, die2 = %d, win = %b", $time, roll, die1, die2, win);
end

endmodule

Output:
At time 0, roll = 0, die1 = x, die2 = x, win = x
At time 5, roll = 0, die1 = x, die2 = x, win = 0
At time 10, roll = 1, die1 = x, die2 = x, win = 0
At time 15, roll = 1, die1 = 4, die2 = 2, win = 0
At time 20, roll = 0, die1 = 4, die2 = 2, win = 0
At time 30, roll = 1, die1 = 4, die2 = 2, win = 0
At time 35, roll = 1, die1 = 1, die2 = 2, win = 0
At time 40, roll = 0, die1 = 1, die2 = 2, win = 0
At time 50, roll = 1, die1 = 1, die2 = 2, win = 0
At time 55, roll = 1, die1 = 4, die2 = 5, win = 0
At time 60, roll = 0, die1 = 4, die2 = 5, win = 0
At time 70, roll = 1, die1 = 4, die2 = 5, win = 0
At time 75, roll = 1, die1 = 2, die2 = 1, win = 0
At time 80, roll = 0, die1 = 2, die2 = 1, win = 0
At time 90, roll = 1, die1 = 2, die2 = 1, win = 0
At time 95, roll = 1, die1 = 4, die2 = 4, win = 0
At time 100, roll = 0, die1 = 4, die2 = 4, win = 0
At time 110, roll = 1, die1 = 4, die2 = 4, win = 0
At time 115, roll = 1, die1 = 5, die2 = 4, win = 0
At time 120, roll = 0, die1 = 5, die2 = 4, win = 0
At time 130, roll = 1, die1 = 5, die2 = 4, win = 0
At time 135, roll = 1, die1 = 6, die2 = 5, win = 0
At time 140, roll = 0, die1 = 6, die2 = 5, win = 0
At time 150, roll = 1, die1 = 6, die2 = 5, win = 0
At time 155, roll = 1, die1 = 6, die2 = 3, win = 1
At time 160, roll = 0, die1 = 6, die2 = 3, win = 1
At time 165, roll = 0, die1 = 6, die2 = 3, win = 0
At time 170, roll = 1, die1 = 6, die2 = 3, win = 0
At time 175, roll = 1, die1 = 3, die2 = 2, win = 0
At time 180, roll = 0, die1 = 3, die2 = 2, win = 0
At time 190, roll = 1, die1 = 3, die2 = 2, win = 0
At time 195, roll = 1, die1 = 6, die2 = 2, win = 0
At time 200, roll = 0, die1 = 6, die2 = 2, win = 0
testbench.sv:34: $finish called at 260 (1s)
[/CODE]

<blockquote data-quote="ralph_verilog" data-source="post: 1782575" data-attributes="member: 690860">Design:[CODE]module dice_game(&nbsp; &nbsp; input wire clk,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; input wire roll,&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; output reg [2:0] die1, &nbsp; &nbsp; output reg [2:0] die2,&nbsp; &nbsp; &nbsp; output reg win&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; );&nbsp; &nbsp; always @(posedge clk) begin&nbsp; &nbsp; &nbsp; &nbsp; if (roll) begin&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; die1 &lt;= $urandom_range(1, 6);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; die2 &lt;= $urandom_range(1, 6);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((die1 + die2 == 7) || (die1 + die2 == 11))&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; win &lt;= 1;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; win &lt;= 0;&nbsp; &nbsp; &nbsp; &nbsp; end&nbsp; &nbsp; &nbsp; else&nbsp; &nbsp; &nbsp; &nbsp; begin&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; win &lt;= 0;&nbsp; &nbsp; &nbsp; &nbsp; end&nbsp; &nbsp; endendmoduleTestbench:module tb_dice_game;&nbsp; &nbsp; reg clk;&nbsp; &nbsp; reg roll;&nbsp; &nbsp; wire [2:0] die1;&nbsp; &nbsp; wire [2:0] die2;&nbsp; &nbsp; wire win;&nbsp; &nbsp; dice_game uut (&nbsp; &nbsp; &nbsp; &nbsp; .clk(clk),&nbsp; &nbsp; &nbsp; &nbsp; .roll(roll),&nbsp; &nbsp; &nbsp; &nbsp; .die1(die1),&nbsp; &nbsp; &nbsp; &nbsp; .die2(die2),&nbsp; &nbsp; &nbsp; &nbsp; .win(win)&nbsp; &nbsp; );&nbsp; &nbsp; initial begin&nbsp; &nbsp; &nbsp; &nbsp; clk = 0;&nbsp; &nbsp; &nbsp; &nbsp; forever #5 clk = ~clk;&nbsp; &nbsp; end&nbsp; &nbsp; initial begin&nbsp; &nbsp; &nbsp; &nbsp; roll = 0;&nbsp; &nbsp; &nbsp; &nbsp; #10;&nbsp; &nbsp; &nbsp; &nbsp; repeat (10) begin&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; roll = 1;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; #10;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; roll = 0;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; #10;&nbsp; &nbsp; &nbsp; &nbsp; end&nbsp; &nbsp; &nbsp; &nbsp; #50;&nbsp; &nbsp; &nbsp; &nbsp; $finish;&nbsp; &nbsp; end&nbsp; &nbsp; initial begin&nbsp; &nbsp; &nbsp; $monitor(&quot;At time %t, roll = %b, die1 = %d, die2 = %d, win = %b&quot;, $time, roll, die1, die2, win);&nbsp; &nbsp; endendmoduleOutput:At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0, roll = 0, die1 = x, die2 = x, win = xAt time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 5, roll = 0, die1 = x, die2 = x, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 10, roll = 1, die1 = x, die2 = x, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 15, roll = 1, die1 = 4, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 20, roll = 0, die1 = 4, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 30, roll = 1, die1 = 4, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 35, roll = 1, die1 = 1, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 40, roll = 0, die1 = 1, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 50, roll = 1, die1 = 1, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 55, roll = 1, die1 = 4, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 60, roll = 0, die1 = 4, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 70, roll = 1, die1 = 4, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 75, roll = 1, die1 = 2, die2 = 1, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 80, roll = 0, die1 = 2, die2 = 1, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 90, roll = 1, die1 = 2, die2 = 1, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 95, roll = 1, die1 = 4, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 100, roll = 0, die1 = 4, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 110, roll = 1, die1 = 4, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 115, roll = 1, die1 = 5, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 120, roll = 0, die1 = 5, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 130, roll = 1, die1 = 5, die2 = 4, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 135, roll = 1, die1 = 6, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 140, roll = 0, die1 = 6, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 150, roll = 1, die1 = 6, die2 = 5, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 155, roll = 1, die1 = 6, die2 = 3, win = 1At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 160, roll = 0, die1 = 6, die2 = 3, win = 1At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 165, roll = 0, die1 = 6, die2 = 3, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 170, roll = 1, die1 = 6, die2 = 3, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 175, roll = 1, die1 = 3, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 180, roll = 0, die1 = 3, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 190, roll = 1, die1 = 3, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 195, roll = 1, die1 = 6, die2 = 2, win = 0At time&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 200, roll = 0, die1 = 6, die2 = 2, win = 0testbench.sv:34: $finish called at 260 (1s)[/CODE]</blockquote>

[QUOTE="ralph_verilog, post: 1782575, member: 690860"] Design: [CODE]module dice_game( input wire clk, input wire roll, output reg [2:0] die1, output reg [2:0] die2, output reg win ); always @(posedge clk) begin if (roll) begin die1 <= $urandom_range(1, 6); die2 <= $urandom_range(1, 6); if ((die1 + die2 == 7) || (die1 + die2 == 11)) win <= 1; else win <= 0; end else begin win <= 0; end end endmodule Testbench: module tb_dice_game; reg clk; reg roll; wire [2:0] die1; wire [2:0] die2; wire win; dice_game uut ( .clk(clk), .roll(roll), .die1(die1), .die2(die2), .win(win) ); initial begin clk = 0; forever #5 clk = ~clk; end initial begin roll = 0; #10; repeat (10) begin roll = 1; #10; roll = 0; #10; end #50; $finish; end initial begin $monitor("At time %t, roll = %b, die1 = %d, die2 = %d, win = %b", $time, roll, die1, die2, win); end endmodule Output: At time 0, roll = 0, die1 = x, die2 = x, win = x At time 5, roll = 0, die1 = x, die2 = x, win = 0 At time 10, roll = 1, die1 = x, die2 = x, win = 0 At time 15, roll = 1, die1 = 4, die2 = 2, win = 0 At time 20, roll = 0, die1 = 4, die2 = 2, win = 0 At time 30, roll = 1, die1 = 4, die2 = 2, win = 0 At time 35, roll = 1, die1 = 1, die2 = 2, win = 0 At time 40, roll = 0, die1 = 1, die2 = 2, win = 0 At time 50, roll = 1, die1 = 1, die2 = 2, win = 0 At time 55, roll = 1, die1 = 4, die2 = 5, win = 0 At time 60, roll = 0, die1 = 4, die2 = 5, win = 0 At time 70, roll = 1, die1 = 4, die2 = 5, win = 0 At time 75, roll = 1, die1 = 2, die2 = 1, win = 0 At time 80, roll = 0, die1 = 2, die2 = 1, win = 0 At time 90, roll = 1, die1 = 2, die2 = 1, win = 0 At time 95, roll = 1, die1 = 4, die2 = 4, win = 0 At time 100, roll = 0, die1 = 4, die2 = 4, win = 0 At time 110, roll = 1, die1 = 4, die2 = 4, win = 0 At time 115, roll = 1, die1 = 5, die2 = 4, win = 0 At time 120, roll = 0, die1 = 5, die2 = 4, win = 0 At time 130, roll = 1, die1 = 5, die2 = 4, win = 0 At time 135, roll = 1, die1 = 6, die2 = 5, win = 0 At time 140, roll = 0, die1 = 6, die2 = 5, win = 0 At time 150, roll = 1, die1 = 6, die2 = 5, win = 0 At time 155, roll = 1, die1 = 6, die2 = 3, win = 1 At time 160, roll = 0, die1 = 6, die2 = 3, win = 1 At time 165, roll = 0, die1 = 6, die2 = 3, win = 0 At time 170, roll = 1, die1 = 6, die2 = 3, win = 0 At time 175, roll = 1, die1 = 3, die2 = 2, win = 0 At time 180, roll = 0, die1 = 3, die2 = 2, win = 0 At time 190, roll = 1, die1 = 3, die2 = 2, win = 0 At time 195, roll = 1, die1 = 6, die2 = 2, win = 0 At time 200, roll = 0, die1 = 6, die2 = 2, win = 0 testbench.sv:34: $finish called at 260 (1s) [/CODE] [/QUOTE]

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