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[/] [othellogame/] [trunk/] [rtl/] [xy_calculate.v] - Blame information for rev 2

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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company: 
// Engineer: 
// 
// Create Date:    18:17:56 04/15/2009 
// Design Name: 
// Module Name:    xy_calculate 
// Project Name: 
// Target Devices: 
// Tool versions: 
// Description: 
//
// Dependencies: 
//
// Revision: 
// Revision 0.01 - File Created
// Additional Comments: 
//
//////////////////////////////////////////////////////////////////////////////////
module xy_calculate(
                clk,
                RST,
                east,
                west,
                north,
                south,
                knob,
                 X,
                 Y,
                 enter
    );
 
input clk;
input RST;
input east;
input west;
input north;
input south;
input knob;
 
output [2:0] X;
output [2:0] Y;
output [0:0] enter;
reg [2:0] X;
reg [2:0] Y;
reg [22:0] Z;
reg [0:0] enter;
 
 wire btn_pulse;
 assign btn_pulse = &Z;
 
 
 always @(posedge clk) begin
        if ( RST ) begin
                Z <= 0;
                X <= 0;
                Y <= 0;
                enter <= 0;
        end
        else begin
                Z <= Z + 1;
 
                if ( btn_pulse ) begin
                        if ( east ) begin
                                X <= X - 1;
                        end
                        else
                        if ( west ) begin
                                X <= X + 1;
                        end
                        else
                        if ( north ) begin
                                Y <= Y + 1;
                        end
                        else
                        if ( south ) begin
                                Y <= Y - 1;
                        end
                        else
                        if ( knob ) begin
                                enter <= 1;
                        end
                        else begin
                                X <= X;
                                Y <= Y;
                                enter <= 0;
                        end
                end
                else begin
                        X <= X;
                        Y <= Y;
                        enter <= 0;
                end
        end
 end
 
endmodule

Line No.	Rev	Author	Line
1	2	marius_mtm	`timescale 1ns / 1ps
2			`//////////////////////////////////////////////////////////////////////////////////`
3			`// Company:`
4			`// Engineer:`
5			`//`
6			`// Create Date: 18:17:56 04/15/2009`
7			`// Design Name:`
8			`// Module Name: xy_calculate`
9			`// Project Name:`
10			`// Target Devices:`
11			`// Tool versions:`
12			`// Description:`
13			`//`
14			`// Dependencies:`
15			`//`
16			`// Revision:`
17			`// Revision 0.01 - File Created`
18			`// Additional Comments:`
19			`//`
20			`//////////////////////////////////////////////////////////////////////////////////`
21			`module xy_calculate(`
22			`clk,`
23			`RST,`
24			`east,`
25			`west,`
26			`north,`
27			`south,`
28			`knob,`
29			`X,`
30			`Y,`
31			`enter`
32			`);`
33
34			`input clk;`
35			`input RST;`
36			`input east;`
37			`input west;`
38			`input north;`
39			`input south;`
40			`input knob;`
41
42			`output [2:0] X;`
43			`output [2:0] Y;`
44			`output [0:0] enter;`
45			`reg [2:0] X;`
46			`reg [2:0] Y;`
47			`reg [22:0] Z;`
48			`reg [0:0] enter;`
49
50			`wire btn_pulse;`
51			`assign btn_pulse = &Z;`
52
53
54			`always @(posedge clk) begin`
55			`if ( RST ) begin`
56			`Z <= 0;`
57			`X <= 0;`
58			`Y <= 0;`
59			`enter <= 0;`
60			`end`
61			`else begin`
62			`Z <= Z + 1;`
63
64			`if ( btn_pulse ) begin`
65			`if ( east ) begin`
66			`X <= X - 1;`
67			`end`
68			`else`
69			`if ( west ) begin`
70			`X <= X + 1;`
71			`end`
72			`else`
73			`if ( north ) begin`
74			`Y <= Y + 1;`
75			`end`
76			`else`
77			`if ( south ) begin`
78			`Y <= Y - 1;`
79			`end`
80			`else`
81			`if ( knob ) begin`
82			`enter <= 1;`
83			`end`
84			`else begin`
85			`X <= X;`
86			`Y <= Y;`
87			`enter <= 0;`
88			`end`
89			`end`
90			`else begin`
91			`X <= X;`
92			`Y <= Y;`
93			`enter <= 0;`
94			`end`
95			`end`
96			`end`
97
98			`endmodule`

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[/] [othellogame/] [trunk/] [rtl/] [xy_calculate.v] - Blame information for rev 2