Add files, and add a freezeswitch to debug this issue with push no type check.
[fpgaboy.git] / 7seg.v
CommitLineData
ff7fd7f2
JW
1module AddrMon(
2 input [15:0] addr,
3 input clk,
4 output reg [3:0] digit,
5 output reg [7:0] out,
6 input freeze
7 );
8
9 reg [12:0] clkdv;
10 reg [1:0] dcount;
11
12 reg [15:0] latch = 0;
13
14 wire [3:0] curval =
15 (dcount == 2'b00) ? latch[3:0] :
16 (dcount == 2'b01) ? latch[7:4] :
17 (dcount == 2'b10) ? latch[11:8] :
18 latch[15:12];
19
20 always @ (negedge clk)
21 begin
22 clkdv <= clkdv + 1;
23 if (~freeze)
24 latch <= addr;
25 end
26
27 always @ (posedge clkdv[12])
28 begin
29 dcount <= dcount + 1;
30
31 case(dcount)
32 2'b00: digit <= 4'b1110;
33 2'b01: digit <= 4'b1101;
34 2'b10: digit <= 4'b1011;
35 2'b11: digit <= 4'b0111;
36 endcase
37
38 case(curval)
39 /* ABCDEFGP */
40 4'h0: out <= ~8'b11111100;
41 4'h1: out <= ~8'b01100000;
42 4'h2: out <= ~8'b11011010;
43 4'h3: out <= ~8'b11110010;
44 4'h4: out <= ~8'b01100110;
45 4'h5: out <= ~8'b10110110;
46 4'h6: out <= ~8'b10111110;
47 4'h7: out <= ~8'b11100000;
48 4'h8: out <= ~8'b11111110;
49 4'h9: out <= ~8'b11110110;
50 4'hA: out <= ~8'b11101110;
51 4'hB: out <= ~8'b00111110;
52 4'hC: out <= ~8'b10011100;
53 4'hD: out <= ~8'b01111010;
54 4'hE: out <= ~8'b10011110;
55 4'hF: out <= ~8'b10001110;
56 endcase
57 end
58endmodule
This page took 0.02318 seconds and 4 git commands to generate.