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module round_win_anim(input clk, next, reset, output light1, light2, light3, light4, light5, light6, light7, light8, done);
reg [3:0] state, nState;
initial begin
state <= 4'b0000;
end
always @ (negedge clk) begin
state <= nState;
end
always @ (*) begin
if (~reset) begin
if (state == 4'b1111)
nState = 4'b1111;
else
if (next)
nState = state + 4'b0001;
else
nState = state;
end
else begin
nState = 4'b0000;
end
end
assign light1 = state[0];
assign light2 = ~state[0];
assign light3 = state[0];
assign light4 = ~state[0];
assign light5 = state[0];
assign light6 = ~state[0];
assign light7 = state[0];
assign light8 = ~state[0];
assign done = (state == 4'b1111);
endmodule
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