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always @(posedge clk or negedge rst)
if(!rst)
begin
state<=0;
out<=4'b0000;
end
else
case(state)
0:
begin
state<=1;
out<=4'b0000;
end
1:
begin
state<=0;
out<=4'b0001;
end
endcase
always @(posedge clk or negedge rst)
if(!rst)
state<=0;
else
case(state)
0:state<=1;
1:state<=0;
endcase
[email=always@(state]always@(state[/email])
if(!state)
out=4'b0000;
else
out=4'b0001; |
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