From 4b6e0102d20d9ab060ce930e4b846c8be446bb06 Mon Sep 17 00:00:00 2001 From: Vasil Zlatanov Date: Mon, 12 Dec 2016 21:51:10 +0000 Subject: public push --- part_4/mylib/hex_to_7seg.v | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 part_4/mylib/hex_to_7seg.v (limited to 'part_4/mylib/hex_to_7seg.v') diff --git a/part_4/mylib/hex_to_7seg.v b/part_4/mylib/hex_to_7seg.v new file mode 100644 index 0000000..1c39f02 --- /dev/null +++ b/part_4/mylib/hex_to_7seg.v @@ -0,0 +1,38 @@ +//------------------------------ +// Module name: hex_to_7seg +// Function: convert 4-bit hex value to drive 7 segment display +// output is low active - using case statement +// Creator: Peter Cheung +// Version: 1.1 +// Date: 23 Oct 2011 +//------------------------------ + +module hex_to_7seg (out,in); + + output [6:0] out; // low-active output to drive 7 segment display + input [3:0] in; // 4-bit binary input of a hexademical number + + reg [6:0] out; // make out a variable for use in procedural assignment + + always @ (in) + case (in) + 4'h0: out = 7'b1000000; + 4'h1: out = 7'b1111001; // -- 0 --- + 4'h2: out = 7'b0100100; // | | + 4'h3: out = 7'b0110000; // 5 1 + 4'h4: out = 7'b0011001; // | | + 4'h5: out = 7'b0010010; // -- 6 --- + 4'h6: out = 7'b0000010; // | | + 4'h7: out = 7'b1111000; // 4 2 + 4'h8: out = 7'b0000000; // | | + 4'h9: out = 7'b0011000; // -- 3 --- + 4'ha: out = 7'b0001000; + 4'hb: out = 7'b0000011; + 4'hc: out = 7'b1000110; + 4'hd: out = 7'b0100001; + 4'he: out = 7'b0000110; + 4'hf: out = 7'b0001110; + endcase +endmodule + + -- cgit v1.2.3-54-g00ecf