8-bit-RISC-Microprocessor/VGA_grid16.v at main · AnushaNagesh97/8-bit-RISC-Microprocessor · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 10/31/2022 05:29:00 PM
// Design Name:
// Module Name: VGA_grid16
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////


module vga_grid16(
    input [9:0] x_pos,
    input [9:0] y_pos,
    output reg [1:0] grid_x,
    output reg [1:0] grid_y
    );

	// Set x_grid positon
	always @(x_pos)
	begin
		if (x_pos < 160)
			grid_x <= 2'b00;
		else if (x_pos < 320)
			grid_x <= 2'b01;
		else if (x_pos < 480)
			grid_x <= 2'b10;
		else //480-639
			grid_x <= 2'b11;
	end

	// Set y_grid position
	always @(y_pos)
	begin
		if (y_pos < 120)
			grid_y <= 2'b00;
		else if (y_pos < 240)
			grid_y <= 2'b01;
		else if (y_pos < 360)
			grid_y <= 2'b10;
		else //360-479
			grid_y <= 2'b11;
	end

endmodule