verilog 流水灯 [复制链接]

reg [3:0]led=0; kYl')L6  
reg [1:0]state=0; i"HENJyCb  
reg [23:0]counter=0; p#  4@  
always@(posedge clk) Tx|}ke
~  
begin Ug1[pONk  
counter<=counter+1'h1; iYE7BUH=  
if(counter==10000) V|njgcn d  
state<=state+1'h1; ="<S1}
.  
end r@.3.Q  
always@(posedge clk ) /ad]p
dF  
begin 1;Q>B>6  
case(state) |LwW/
>I  
0: led<=4'b0001; d ~`_;.z  
1: led<=4'b0010; %{sL/H_  
2: led<=4'b0100; TlA*~HG
<Q  
3: led<=4'b1000; .bT+#x  
endcase >,#73
u#  
end

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