clock.v~

来自「ARM10 INSTALALTION GUIDE」· V~ 代码 · 共 19 行

`define TIME_LIMIT 110000 
 
module c1(clk); 
   output clk; 
   reg clk; 
 
   always  
      begin 
         if ($time == 0)  
            begin  
               clk = 0;  
            end 
         #50 clk = ~clk; 
      end 
 
   always @(posedge clk) 
      if ($time > `TIME_LIMIT)  
         #70 $stop; 
endmodule