115 lines
2.2 KiB
Verilog
115 lines
2.2 KiB
Verilog
|
|
`ifndef SCOREBOARD_H
|
|
`define SCOREBOARD_H
|
|
|
|
`include "hvsync_generator.v"
|
|
`include "digits10.v"
|
|
|
|
/*
|
|
player_stats - Holds two-digit score and one-digit lives counter.
|
|
scoreboard_generator - Outputs video signal with score/lives digits.
|
|
*/
|
|
|
|
module player_stats(reset, score0, score1, lives, incscore, declives);
|
|
|
|
input reset;
|
|
output reg [3:0] score0;
|
|
output reg [3:0] score1;
|
|
input incscore;
|
|
output reg [3:0] lives;
|
|
input declives;
|
|
|
|
always @(posedge incscore or posedge reset)
|
|
begin
|
|
if (reset) begin
|
|
score0 <= 0;
|
|
score1 <= 0;
|
|
end else if (score0 == 9) begin
|
|
score0 <= 0;
|
|
score1 <= score1 + 1;
|
|
end else begin
|
|
score0 <= score0 + 1;
|
|
end
|
|
end
|
|
|
|
always @(posedge declives or posedge reset)
|
|
begin
|
|
if (reset)
|
|
lives <= 3;
|
|
else if (lives != 0)
|
|
lives <= lives - 1;
|
|
end
|
|
|
|
endmodule
|
|
|
|
module scoreboard_generator(score0, score1, lives, vpos, hpos, board_gfx);
|
|
|
|
input [3:0] score0;
|
|
input [3:0] score1;
|
|
input [3:0] lives;
|
|
input [8:0] vpos;
|
|
input [8:0] hpos;
|
|
output board_gfx;
|
|
|
|
reg [3:0] score_digit;
|
|
reg [4:0] score_bits;
|
|
|
|
always @(*)
|
|
begin
|
|
case (hpos[7:5])
|
|
1: score_digit = score1;
|
|
2: score_digit = score0;
|
|
6: score_digit = lives;
|
|
default: score_digit = 15; // no digit
|
|
endcase
|
|
end
|
|
|
|
digits10_array digits(
|
|
.digit(score_digit),
|
|
.yofs(vpos[4:2]),
|
|
.bits(score_bits)
|
|
);
|
|
|
|
assign board_gfx = score_bits[hpos[4:2] ^ 3'b111];
|
|
|
|
endmodule
|
|
|
|
module scoreboard_top(clk, reset, hsync, vsync, rgb);
|
|
|
|
input clk, reset;
|
|
output hsync, vsync;
|
|
output [2:0] rgb;
|
|
wire display_on;
|
|
wire [8:0] hpos;
|
|
wire [8:0] vpos;
|
|
|
|
wire board_gfx;
|
|
|
|
hvsync_generator hvsync_gen(
|
|
.clk(clk),
|
|
.reset(reset),
|
|
.hsync(hsync),
|
|
.vsync(vsync),
|
|
.display_on(display_on),
|
|
.hpos(hpos),
|
|
.vpos(vpos)
|
|
);
|
|
|
|
scoreboard_generator scoreboard_gen(
|
|
.score0(0),
|
|
.score1(1),
|
|
.lives(3),
|
|
.vpos(vpos),
|
|
.hpos(hpos),
|
|
.board_gfx(board_gfx)
|
|
);
|
|
|
|
wire r = display_on && board_gfx;
|
|
wire g = display_on && board_gfx;
|
|
wire b = display_on && board_gfx;
|
|
assign rgb = {b,g,r};
|
|
|
|
endmodule
|
|
|
|
`endif
|