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//FSM1
localparam IDLE = 0,
S1 = 1,
S2 = 2;
[email protected](posedge clk, negedge rst_n)
begin
if(!rst_n)
cs <= IDLE;
else
if(reset)
cs <= IDLE;
else
cs <= ns;
end
[email protected]*
begin
ns = IDLE;
case(cs)
IDLE: if(a) ns = S1 else
ns = IDLE;
S1: if(b) ns = S2 else
ns = S1;
S2: ns = IDLE;
default: ns = IDLE;
endcase
end
//FSM2
localparam IDLE = 0,
S1 = 1,
S2 = 2;
[email protected](posedge clk, negedge rst_n)
begin
if(!rst_n)
cs <= IDLE;
else
cs <= ns;
end
[email protected]*
begin
ns = IDLE;
case(cs)
IDLE: if(reset) ns = IDLE; else
if(a) ns = S1 else
ns = IDLE;
S1: if(reset) ns = IDLE; if(b) ns = S2 else
ns = S1;
S2:if(reset) ns = IDLE; ns = IDLE;
default: ns = IDLE;
endcase
end
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