P5-16 移位 Shift << , >> 範例:除8 適合於DE2-70實驗板

// p5-16 Divided by 8 shift right operator ">>  
// for DE2=70 experiment board"

module Divided8 (SW, LEDR, LEDG);
input [17:0] SW; // toggle switches
output [17:0] LEDR; // red  LEDS   
  output [7:0] LEDG; // green LEDs
  
//set original program input , output 
wire [7:0]div;  //Dividend
wire [7:0]quot; //Quotient , Remainder

assign div=SW[7:0];

parameter sh_bit=3;
assign quot = div >> sh_bit;

assign LEDG[7:0]=quot;
     
endmodule     


/*original program 
module div_8(div,quot);
input [7:0]div;
output[7:0]quot;
parameter sh_bit=3;
assign quot = din >> sh_bit;
endmodule
*/