Задача 1
Променете схемата за генериране на реда на Фибоначи, така че числата да са в BCD код.
module fibo_counter( input clock, input reset, output [15:0] fn_out ); reg [15:0] fn_minus_1, fn_minus_2; wire [15:0] fn; assign fn_out = fn_minus_2; //assign fn = fn_minus_2 + fn_minus_1; bcd_adder a1( .a(fn_minus_2), .b(fn_minus_1), .s(fn) ); always @(posedge clock or posedge reset) begin if(reset) begin fn_minus_2 <= 0; fn_minus_1 <= 1; end else begin fn_minus_2 <= fn_minus_1; fn_minus_1 <= fn; end end endmodule
module bcd_adder( input [15:0] a, input [15:0] b, output [15:0] s ); // TODO endmodule
module bcd_digit( input [3:0] a, input [3:0] b, input cin, output reg[3:0] s, output reg cout ); // TODO endmodule