227 lines
7.0 KiB
Verilog
227 lines
7.0 KiB
Verilog
`timescale 1ns / 1ps
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//////////////////////////////////////////////////////////////////////////////////
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// Company:
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// Engineer:
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//
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// Create Date: 12/16/2020 05:57:23 PM
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// Design Name:
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// Module Name: game_mode
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// Project Name:
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// Target Devices:
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// Tool Versions:
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// Description:
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//
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// Dependencies:
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//
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// Revision:
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// Revision 0.01 - File Created
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// Additional Comments:
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//
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//////////////////////////////////////////////////////////////////////////////////
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module game_mode(
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input clk,
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input btn_confirm,
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input btn_mode_sel,
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input btn_return,
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input gameover_classic,
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input gameover_infinity,
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output reg enable_shell1,
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output reg enable_shell2,
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output reg enable_shell3,
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output reg enable_shell4,
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output reg enable_enemytank1_control,
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output reg enable_enemytank2_control,
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output reg enable_enemytank3_control,
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output reg enable_enemytank4_control,
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output reg enable_enemytank1_display,
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output reg enable_enemytank2_display,
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output reg enable_enemytank3_display,
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output reg enable_enemytank4_display,
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output reg enable_myshell1,
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output reg enable_myshell2,
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output reg enable_mytank1_control,
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output reg enable_mytank2_control,
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output reg enable_mytank1_display,
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output reg enable_mytank2_display,
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output reg enable_game_classic,
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output reg enable_game_infinity,
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output reg enable_reward,
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output reg start_protect,
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output reg enable_gamemusic,
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// output reg enable_shootmusic,
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output reg [ 2: 0 ] mode
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);
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reg [ 63: 0 ] start_protect_cnt;
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reg start_protect_flag;
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initial begin
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mode <= 0;
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start_protect_flag <= 0;
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start_protect_cnt <= 0;
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end
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always @( posedge clk ) begin
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case ( mode )
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0: begin
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enable_shell1 <= 1'b0;
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enable_shell2 <= 1'b0;
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enable_shell3 <= 1'b0;
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enable_shell4 <= 1'b0;
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enable_enemytank1_control <= 1'b0;
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enable_enemytank2_control <= 1'b0;
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enable_enemytank3_control <= 1'b0;
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enable_enemytank4_control <= 1'b0;
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enable_enemytank1_display <= 1'b0;
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enable_enemytank2_display <= 1'b0;
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enable_enemytank3_display <= 1'b0;
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enable_enemytank4_display <= 1'b0;
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enable_myshell1 <= 1'b0;
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enable_myshell2 <= 1'b0;
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enable_mytank1_control <= 1'b0;
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enable_mytank2_control <= 1'b0;
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enable_mytank1_display <= 1'b0;
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enable_mytank2_display <= 1'b0;
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enable_game_classic <= 1'b0;
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enable_game_infinity <= 1'b0;
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enable_reward <= 1'b0;
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start_protect <= 1'b0;
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enable_gamemusic <= 1'b1;
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if ( btn_confirm ) begin
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if ( btn_mode_sel == 1'b0 ) begin
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mode <= 1;
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end
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else begin
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mode <= 2;
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end
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end
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else begin
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mode <= 0;
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end
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end
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1: begin
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enable_shell1 <= 1'b1;
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enable_shell2 <= 1'b1;
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enable_shell3 <= 1'b1;
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enable_shell4 <= 1'b1;
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enable_enemytank1_control <= 1'b1;
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enable_enemytank2_control <= 1'b1;
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enable_enemytank3_control <= 1'b1;
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enable_enemytank4_control <= 1'b1;
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enable_enemytank1_display <= 1'b1;
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enable_enemytank2_display <= 1'b1;
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enable_enemytank3_display <= 1'b1;
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enable_enemytank4_display <= 1'b1;
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enable_myshell1 <= 1'b1;
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enable_myshell2 <= 1'b1;
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enable_mytank1_control <= 1'b1;
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enable_mytank2_control <= 1'b1;
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enable_mytank1_display <= 1'b1;
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enable_mytank2_display <= 1'b1;
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enable_game_classic <= 1'b1;
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enable_game_infinity <= 1'b0;
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enable_reward <= 1'b1;
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enable_gamemusic <= 1'b0;
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if ( start_protect_flag == 1'b0 ) begin
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start_protect_cnt <= start_protect_cnt + 1;
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start_protect <= 1'b1;
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if ( start_protect_cnt >= 300000000 ) begin
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start_protect_flag <= 1'b1;
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start_protect <= 1'b0;
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start_protect_cnt <= 0;
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end
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end
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if ( gameover_classic == 1'b1 ) begin
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mode <= 3;
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end
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else begin
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mode <= 1;
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end
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end
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2: begin
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enable_shell1 <= 1'b1;
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enable_shell2 <= 1'b1;
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enable_shell3 <= 1'b1;
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enable_shell4 <= 1'b1;
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enable_enemytank1_control <= 1'b1;
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enable_enemytank2_control <= 1'b1;
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enable_enemytank3_control <= 1'b1;
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enable_enemytank4_control <= 1'b1;
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enable_enemytank1_display <= 1'b1;
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enable_enemytank2_display <= 1'b1;
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enable_enemytank3_display <= 1'b1;
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enable_enemytank4_display <= 1'b1;
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enable_myshell1 <= 1'b1;
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enable_myshell2 <= 1'b1;
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enable_mytank1_control <= 1'b1;
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enable_mytank2_control <= 1'b1;
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enable_mytank1_display <= 1'b1;
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enable_mytank2_display <= 1'b1;
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enable_game_classic <= 1'b0;
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enable_game_infinity <= 1'b1;
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enable_reward <= 1'b1;
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start_protect <= 1'b0;
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start_protect_flag <= 1'b0;
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enable_gamemusic <= 1'b1;
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if ( gameover_infinity == 1 ) begin
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mode <= 3;
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end
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else begin
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mode <= 2;
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end
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end
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3: begin
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enable_shell1 <= 1'b0;
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enable_shell2 <= 1'b0;
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enable_shell3 <= 1'b0;
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enable_shell4 <= 1'b0;
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enable_enemytank1_control <= 1'b0;
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enable_enemytank2_control <= 1'b0;
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enable_enemytank3_control <= 1'b0;
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enable_enemytank4_control <= 1'b0;
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enable_enemytank1_display <= 1'b0;
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enable_enemytank2_display <= 1'b0;
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enable_enemytank3_display <= 1'b0;
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enable_enemytank4_display <= 1'b0;
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enable_myshell1 <= 1'b0;
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enable_myshell2 <= 1'b0;
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enable_mytank1_control <= 1'b0;
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enable_mytank2_control <= 1'b0;
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enable_mytank1_display <= 1'b0;
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enable_mytank2_display <= 1'b0;
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enable_game_classic <= 1'b0;
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enable_game_infinity <= 1'b0;
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enable_reward <= 1'b0;
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start_protect <= 1'b0;
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start_protect_flag <= 1'b0;
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enable_gamemusic <= 1'b1;
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if ( btn_return ) begin
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mode <= 0;
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end
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else begin
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mode <= 3;
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end
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end
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endcase
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end
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endmodule
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