状态机仿真出错，请高手指教
本帖最后由 fpgaw 于 2010-11-18 16:26 编辑module cio_state (wr,rd,bit0,pointer_en,control_en);
input wr;
input rd;
input bit0;
output pointer_en;
output control_en;
reg pointer_en;
reg control_en;
reg state;
parameter reset=2'b00,state0=2'b01,state1=2'b10;
always @ (bit0 or wr or rd)
if (bit0==1)
begin
state<=reset;
pointer_en<=1;
control_en<=0;
end
else
case (state)
reset:begin
if(wr==0 && bit0==0)
begin
state<=state0;
pointer_en<=0;
control_en<=1;
end
else begin
state<=reset;
pointer_en<=1;
control_en<=0;
end
end
state0:begin
if (wr==0)
begin
state<=state1;
pointer_en<=1;
control_en<=0;
end
else begin
state<=state0;
pointer_en<=0;
control_en<=1;
end
end
state1:begin
if (wr==0 && bit0==1)
begin
state<=reset;
pointer_en<=1;
control_en<=0;
end
else if (rd==0 || wr==0)
begin
state<=state0;
pointer_en<=0;
control_en<=1;
end
end
default:begin
state<=reset;
pointer_en<=1;
control_en<=0;
end
endcase
endmodule 主要看软件报什么错误，根据提示信息再进行判断 是呀，最好把出错的信息贴出来，这样比较好找错误 看不懂啊 不行，没有图片和出错信息，不想看 报了什么错？
是呀，最好把出错的信息贴出来，这样比较好找错误
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