baf891d878
Implemented features: ball moving, platform moving, showing scores on digital table, game reset.
117 lines
No EOL
3.6 KiB
Verilog
117 lines
No EOL
3.6 KiB
Verilog
`ifndef _arkanoid_header_
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`define _arkanoid_header_
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#(
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// Parameters
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parameter CELL_SIZE = 20, // 1 cell has size of 20x20 pixels.
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parameter BALL_SIZE = 1, // Game ball is a square of side 1 cell
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parameter BALL_SPEED = 1, // Number of cells per second
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parameter PLATFORM_WIDTH = 7, // Game platform width
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parameter [3:0] BK_COLOR_R = 4'b1111, // Red background
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parameter [3:0] BK_COLOR_G = 4'b0000,
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parameter [3:0] BK_COLOR_B = 4'b0000,
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parameter [3:0] STABLE_COLOR_R = 4'b0011, // ??? color :)
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parameter [3:0] STABLE_COLOR_G = 4'b1100,
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parameter [3:0] STABLE_COLOR_B = 4'b0110,
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parameter [3:0] BALL_COLOR_R = 4'b0000, // Blue ball
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parameter [3:0] BALL_COLOR_G = 4'b0000,
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parameter [3:0] BALL_COLOR_B = 4'b1111,
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parameter [3:0] PLATFORM_COLOR_R = 4'b1111, // Red platforms
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parameter [3:0] PLATFORM_COLOR_G = 4'b0000,
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parameter [3:0] PLATFORM_COLOR_B = 4'b0000
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)
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(
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// Input Ports
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input clk25MHz, // 25 MHz clock
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input button1, button2, button3, button4, // 4 buttons on DE1 (left<->right for 2 players)
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// Output Ports
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output h_sync,
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output v_sync,
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output [3:0] red, green, blue, // Current pixel color (4096 colors = 12 bit)
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output [6:0] hex0, hex1, hex2, hex3, // Digital tables on DE1
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output [7:0] led
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);
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//////////////////////////////////////
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// **** BEGIN OF MODULE HEADER **** //
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//////////////////////////////////////
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// Output registers
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reg [3:0] red_, green_, blue_;
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reg [6:0] hex0_, hex1_, hex2_, hex3_;
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reg [7:0] led_;
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// Constants depending on the global parameters
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localparam SCREEN_WIDTH = 640; // Horizontal screen resolution (in pixels)
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localparam SCREEN_HEIGHT = 480; // Vertical screen resolution (in pixels)
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localparam FIELD_WIDTH = SCREEN_WIDTH/CELL_SIZE; // Horizontal screen resolution (in cells)
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localparam FIELD_HEIGHT = SCREEN_HEIGHT/CELL_SIZE; // Vertical screen resolution (in cells)
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localparam BALL_DELAY = 25000000/BALL_SPEED; // Clocks per 1 move
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// 2D array of cells, stores game field state
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reg [1:0] field[0:FIELD_HEIGHT-1][0:FIELD_WIDTH-1];
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// Possible cell values: (no comments)
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localparam [1:0] EMPTY_CELL = 2'b00;
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localparam [1:0] STABLE_CELL = 2'b11;
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localparam [1:0] BALL_CELL = 2'b01;
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localparam [1:0] PLATFORM_CELL = 2'b10;
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// Current game state (0 - stopped, 1 - active)
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reg game_state;
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// Player's scores
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integer player1_score;
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integer player2_score;
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// ATTENTION!!!
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// All definitions behigh are in cells only.
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//
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// Informaton about game ball
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integer ball_clock_counter; // Clocks counter
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integer ball_x, ball_y; // Current coordinates
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reg [1:0] ball_direction; // Current moving direction
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// Possible ball directions:
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localparam [1:0] LEFT_UP = 2'b00;
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localparam [1:0] RIGHT_UP = 2'b01;
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localparam [1:0] LEFT_DOWN = 2'b10;
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localparam [1:0] RIGHT_DOWN = 2'b11;
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// Information about game platforms
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integer platform1_position; // Current position (X axis, left border coordinate)
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integer platform2_position;
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// VGA variables
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integer h_counter; // Horizontal pixel counter
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integer v_counter; // Vertical pixel counter
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integer h_cell; // Horizontal cell counter
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integer v_cell; // Vertical cell counter
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reg [1:0] current_cell; // Current cell value
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// Loops variables
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integer i, j;
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// Last buttons state
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reg button1_state;
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reg button2_state;
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reg button3_state;
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reg button4_state;
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////////////////////////////////////
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// **** END OF MODULE HEADER **** //
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////////////////////////////////////
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`endif // _arkanoid_header_
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