1
0
mirror of https://github.com/pConst/basic_verilog.git synced 2025-01-28 07:02:55 +08:00
Konstantin Pavlov (pt) 40533743d7 Added altera cookbook
2015-12-15 22:44:58 +03:00

52 lines
2.1 KiB
Verilog

// Copyright 2007 Altera Corporation. All rights reserved.
// Altera products are protected under numerous U.S. and foreign patents,
// maskwork rights, copyrights and other intellectual property laws.
//
// This reference design file, and your use thereof, is subject to and governed
// by the terms and conditions of the applicable Altera Reference Design
// License Agreement (either as signed by you or found at www.altera.com). By
// using this reference design file, you indicate your acceptance of such terms
// and conditions between you and Altera Corporation. In the event that you do
// not agree with such terms and conditions, you may not use the reference
// design file and please promptly destroy any copies you have made.
//
// This reference design file is being provided on an "as-is" basis and as an
// accommodation and therefore all warranties, representations or guarantees of
// any kind (whether express, implied or statutory) including, without
// limitation, warranties of merchantability, non-infringement, or fitness for
// a particular purpose, are specifically disclaimed. By making this reference
// design file available, Altera expressly does not recommend, suggest or
// require that this reference design file be used in combination with any
// other product not provided by Altera.
/////////////////////////////////////////////////////////////////////////////
module bin_to_7seg (bin,seg);
input [3:0] bin;
output [6:0] seg;
reg [6:0] seg;
always @(bin) begin
case(bin)
4'h0: seg = 7'b1000000; // output = 0 indicates a lit segment
4'h1: seg = 7'b1111001; // ---0---
4'h2: seg = 7'b0100100; // | |
4'h3: seg = 7'b0110000; // 5 1
4'h4: seg = 7'b0011001; // | |
4'h5: seg = 7'b0010010; // ---6---
4'h6: seg = 7'b0000010; // | |
4'h7: seg = 7'b1111000; // 4 2
4'h8: seg = 7'b0000000; // | |
4'h9: seg = 7'b0011000; // ---3---
4'ha: seg = 7'b0001000;
4'hb: seg = 7'b0000011;
4'hc: seg = 7'b1000110;
4'hd: seg = 7'b0100001;
4'he: seg = 7'b0000110;
4'hf: seg = 7'b0001110;
default : seg = 7'b1111111;
endcase
end
endmodule