reg $[1$:$0]$ state;

parameter $SO=2bb0,S1=2\text{'}$bo$1,Sz=z^{\text{'}}$ b$10$

always @$($

$if(lreset)$ state $S0$;

else case$(state)$

$SO.$

SO:

S$1$:

S$2$:

S$3$:

endcase

assign

endmodule