module projectf(clk,r,g,sw,k,hex0,hex1,hex2,hex3);

input clk;
input [9:0] sw;
input [3:0] k;

output [9:0] r;
output [7:0] g;
output [6:0] hex0,hex1,hex2,hex3;

reg kn0, kn1, kn2, kn3, trig0, trig1, trig2, trig3, a, a0, a1, a2, b, bb;
reg [6:0] d0, d1, d2, d3, t0, t1, t2, t3, s0, s1, s2, s3;
reg [6:0] d83, d82, d81, d80, d63, d62, d61, d60, d43, d42, d41, d40, d33, d32, d31, d30;
reg [6:0] d23, d22, d21, d20, d13, d12, d11, d10;
reg [9:0] state1, state2, c, j0;
reg [10:0] x, x1, x0, y, y1, y0, c1, c2, cc1, cc2, j1, j2, j3, j4, c10, c11, c20, c21;
reg [30:0] ctr;

assign hex0 = d0;
assign hex1 = d1;
assign hex2 = d2;
assign hex3 = d3;
assign r = state1;
assign g = state2;

parameter n1 = 7'b1001111;
parameter n2 = 7'b0010010;
parameter n3 = 7'b0000110;
parameter n4 = 7'b1001100;
parameter n5 = 7'b0100100;
parameter n6 = 7'b0100000;
parameter n7 = 7'b0001111;
parameter n8 = 7'b0000000;
parameter n9 = 7'b0000100;
parameter n0 = 7'b0000001;

initial c <= 0;
initial begin j3 = 1; j2 = 2; j1 = 1; j0 = 2; end
initial begin d13 <= n0; d12 <= n0; end


always @ (posedge clk) // Counter //
	if (ctr == 50_000_000)
		ctr <= 0;
	else if (a == 0 && c == 0)
		ctr <= ctr+1;


always @ (posedge clk) // Trigger Buttons //
begin
	kn0 <= ~k[0];
	kn1 <= ~k[1];
	kn2 <= ~k[2];
	kn3 <= ~k[3];
	trig0 <= k[0] & kn0;
	trig1 <= k[1] & kn1;
	trig2 <= k[2] & kn2;
	trig3 <= k[3] & kn3;
end


always @ (posedge clk)
	if (sw == 10'b1000000000) // Master Reset //
	begin
		t3 <= n1; t2 <= n0; t1 <= n0; t0 <= n0;
		s3 <= 127; s2 <= 127; s1 <= n2; s0 <= n4;
		d63 <= n1; b <= 0; d13 <= n6; d12 <= n0;
	end

   	else if (sw == 10'b0010000000 && trig0 == 1 && b == 0) // Reset Basketball Timer //
	begin
		t3 <= n1; t2 <= n0; t1 <= n0; t0 <= n0;
		s3 <= 127; s2 <= 127; s1 <= n2; s0 <= n4;
	end

	else if (sw == 10'b0000100000 && trig0 == 1 && b == 0) // Reset Shot Clock //
	begin
		s3 <= 127; s2 <= 127; s1 <= n2; s0 <= n4;
	end

	else if (sw == 10'b0000100000 && trig2 == 1 && b == 0) // Decrement Shot Clock //
	begin
   		if (s1 == n0 && s0 == n0)
	 		s0 <= n0;
  		else
	 		case (s0)
	  		n9: s0 <= n8;
	  		n8: s0 <= n7;
   	  		n7: s0 <= n6;
   	  		n6: s0 <= n5;
   	  		n5: s0 <= n4;
   	  		n4: s0 <= n3;
   	  		n3: s0 <= n2;
   	   		n2: s0 <= n1;
   	   		n1: s0 <= n0;
  	   		n0: s0 <= n9;
   	   		endcase
   		if (s0 == n0)
	   		case (s1)
	   		n2: s1 <= n1;
	   		default: s1 <= n0;
	   		endcase
	end

	else if (sw == 10'b0000100000 && trig3 == 1 && b == 0) // Increment Shot Clock //
	begin
   		if (s1 == n2 && s0 == n4)
	 		s0 <= n4;
  		else
	 		case (s0)
	  		n9: s0 <= n0;
	  		n8: s0 <= n9;
   	  		n7: s0 <= n8;
   	  		n6: s0 <= n7;
   	  		n5: s0 <= n6;
   	  		n4: s0 <= n5;
   	  		n3: s0 <= n4;
   	   		n2: s0 <= n3;
   	   		n1: s0 <= n2;
  	   		n0: s0 <= n1;
   	   		endcase
   		if (s0 == n0)
	   		case (s1)
	   		n0: s1 <= n1;
	   		default: s1 <= n2;
	   		endcase
	end

	else if (sw == 10'b0000000100 && (trig3 == 1 || trig1 == 1) && b == 0) // 60 secs timeout //
	begin
		d13 <= n6; d12 <= n0;
	end

	else if (sw == 10'b0000000100 && (trig2 == 1 || trig0 == 1) && b == 0) // 30 secs timeout //
	begin
		d13 <= n3; d12 <= n0;
	end

	else if (ctr == 50_000_000 && b == 0 && a0 == 1 && bb == 0) // Shot Clock Count //
	begin
		case (d12)
		n9: d12 <= n8;
		n8: d12 <= n7;
		n7: d12 <= n6;
		n6: d12 <= n5;
		n5: d12 <= n4;
		n4: d12 <= n3;
		n3: d12 <= n2;
		n2: d12 <= n1;
		n1: d12 <= n0;
		n0: d12 <= n9;
		endcase
		if (d12 == n0)
			case (d13)
			n6: d13 <= n5;
			n5: d13 <= n4;
			n4: d13 <= n3;
			n3: d13 <= n2;
			n2: d13 <= n1;
			n1: d13 <= n0;
			endcase
	end

	else if (ctr == 50_000_000 && b == 0 && a0 == 0) // Basketball Timer Count //
	begin
		case (t3)
		n1: t3 <= n0;
		endcase
		case (t0)
		n9: t0 <= n8;
		n8: t0 <= n7;
		n7: t0 <= n6;
		n6: t0 <= n5;
		n5: t0 <= n4;
		n4: t0 <= n3;
		n3: t0 <= n2;
		n2: t0 <= n1;
		n1: t0 <= n0;
		n0: t0 <= n9;
		endcase
		if (s1 == n0)
	   		case (s0)
			n9: s0 <= n8;
	   		n8: s0 <= n7;
			n7: s0 <= n6;
	   		n6: s0 <= n5;
	   		n5: s0 <= n4;
	   		n4: s0 <= n3;
	   		n3: s0 <= n2;
			n2: s0 <= n1;
			n1: s0 <= n0;
			n0: s0 <= n4;
			endcase
		if (s1 != n0)
			case (s0)
			n9: s0 <= n8;
	   		n8: s0 <= n7;
			n7: s0 <= n6;
	   		n6: s0 <= n5;
	   		n5: s0 <= n4;
	   		n4: s0 <= n3;
	   		n3: s0 <= n2;
			n2: s0 <= n1;
			n1: s0 <= n0;
			n0: s0 <= n9;
			endcase
		if (s0 == n0)
			case (s1)
			n2: s1 <= n1;
			n1: s1 <= n0;
			n0: s1 <= n2;
			endcase
		if (t0 == n0)
			case (t1)
			n5: t1 <= n4;
			n4: t1 <= n3;
			n3: t1 <= n2;
			n2: t1 <= n1;
			n1: t1 <= n0;
			n0: t1 <= n5;
			endcase
		if (t1 == n0 && t0 == n0)
			case (t2)
			n9: t2 <= n8;
			n8: t2 <= n7;
			n7: t2 <= n6;
			n6: t2 <= n5;
			n5: t2 <= n4;
			n4: t2 <= n3;
			n3: t2 <= n2;
			n2: t2 <= n1;
			n1: t2 <= n0;
			n0: t2 <= n9;
			endcase
		if (t3 == n0 && t2 == n0 && t1 == n0 && t0 == n0)
		begin
			t3 <= n1; t2 <= n0; t1 <= n0; t0 <= n0;
			case (d63)
			n1: d63 <= n2;
			n2: d63 <= n3;
			n3: d63 <= n4;
			default: b <= 1; // Game Ends //
			endcase
		end
		if (s3 == 127 && s2 == 127 && s1 == n0 && s0 == n0)
		begin
			s3 <= 127; s2 <= 127; s1 <= n2; s0 <= n4;
		end
	end


always @ (posedge clk)
begin
	if (sw == 10'b1000000000) // SW9 - Master Reset //
	begin
		d80 <= n0; d81 <= n0; d82 <= n0; d83 <= n0;
		d40 <= n0; d41 <= n0; d42 <= n0; d43 <= n0;
		d30 <= n0; d31 <= n0; d32 <= n0; d33 <= n0;
		d20 <= n2; d21 <= n1; d22 <= n2; d23 <= n1;
		state1 <= 10'b0000000000; state2 <= 8'b00000000;
		x <=0 ; x1 <= 0; x0 <= 0; y <= 0; y1 <= 0; y0 <= 0;
		j0 = 2 ; j1 = 1; j2 = 2; j3 = 1;
		c1 =0 ; c11 = 0; c10 = 0; c2 = 0; c21 = 0; c20 = 0;
		cc1 = 0; cc2 = 0; bb <= 1;
		a <= 0; a0 <= 0;
		d3 <= 127; d2 <= 127; d1 <= 127; d0 <= 127;
	end

	else if (sw == 10'b0100000000) // SW8 - Basketball Scoreboard //
	begin
		if (trig3 == 1 && b == 0) // increment 1st team //
		begin
			x = x + 1;
	   		if (x >= 99)
	   			x = 99;
	   		x0 = x%10;
	   		x1 = (x-x0)/10;
	   	end
		else if (trig2 == 1 && b == 0) // decrement 1st team //
		begin
			if (x <= 1)
				x = 0;
			else
				x = x - 1;
			x0 = x%10;
			x1 = (x-x0)/10;
		end
		else if (trig1 == 1 && b == 0) // increment 2nd team //
		begin
			y = y + 1;
	   		if (y >= 99)
	   			y = 99;
	   		y0 = y%10;
	   		y1 = (y-y0)/10;
	   	end
		else if (trig0 == 1 && b == 0) // decrement 2nd team //
		begin
			if (y <= 1)
				y = 0;
			else
				y = y - 1;
			y0 = y%10;
			y1 = (y-y0)/10;
		end
		case (x1) // value of HEX3 //
		0: d83<=n0;
		1: d83<=n1;
		2: d83<=n2;
		3: d83<=n3;
		4: d83<=n4;
		5: d83<=n5;
		6: d83<=n6;
		7: d83<=n7;
		8: d83<=n8;
		9: d83<=n9;
		endcase
		case (x0) // value of HEX2 //
   		0: d82<=n0;
  		1: d82<=n1;
  		2: d82<=n2;
   		3: d82<=n3;
  		4: d82<=n4;
  		5: d82<=n5;
		6: d82<=n6;
		7: d82<=n7;
		8: d82<=n8;
		9: d82<=n9;
		endcase
		case (y1) // value of HEX1 //
		0: d81<=n0;
		1: d81<=n1;
		2: d81<=n2;
		3: d81<=n3;
		4: d81<=n4;
		5: d81<=n5;
		6: d81<=n6;
		7: d81<=n7;
		8: d81<=n8;
		9: d81<=n9;
		endcase
		case (y0) // value of HEX0 //
   		0: d80<=n0;
  		1: d80<=n1;
  		2: d80<=n2;
   		3: d80<=n3;
  		4: d80<=n4;
  		5: d80<=n5;
		6: d80<=n6;
		7: d80<=n7;
		8: d80<=n8;
		9: d80<=n9;
		endcase
		d3 <= d83; d2 <= d82; d1 <= d81; d0 <= d80;
 	end

    else if (sw == 10'b0010000000) // SW7 - Basketball Timer //
	begin
		if (trig1 == 1 && b == 0)
			a <= ~a;
		d3 <= t3; d2 <= t2; d1 <= t1; d0 <= t0;
	end

	else if (sw == 10'b0001000000) // SW6 - Game Quarter //
	begin
		d3 <= d63; d2 <= 127; d1 <= 127; d0 <= 127;
	end

	else if (sw == 10'b0000100000) // SW5 - Shot Clock //
	begin
		if (trig1 == 1 && b == 0)
			a <= ~a;
		d3 <= s3; d2 <= s2; d1 <= s1; d0 <= s0;
	end

	else if (sw == 10'b0000011000) // SW4 with SW3 up - Team Fouls of 1st team //
	begin
	    if (trig3 == 1 && b == 0)
	    begin
	    	c1 = c1+1;
	    	if (c1 >= 99)
	       		c1 = 99;
	    	c10 = c1%10;
	    	c11 = (c1-c10)/10;
	    end
	    else if (trig2 == 1 && b == 0)
	    begin
	    	c1 = c1+1;
	    	if (c1 >= 99)
	       		c1 = 99;
	    	c10 = c1%10;
	    	c11 = (c1-c10)/10;
 	    	x = x+1;
	   		if (x >= 99)
	   			x = 99;
	   		x0 = x%10;
	   		x1 = (x-x0)/10;
	   	end
	    else if (trig1 == 1 && b == 0)
	    begin
	    	c1 = c1+1;
	    	if (c1 >= 99)
	       		c1 = 99;
	    	c10 = c1%10;
	    	c11 = (c1-c10)/10;
	    	x = x+2;
	   		if (x >= 99)
	   			x = 99;
	   		x0 = x%10;
	   		x1 = (x-x0)/10;
	   	end
	    else if (trig0 == 1 && b == 0)
	    begin
	    	c1 = c1+1;
	    	if (c1 >= 99)
	    		c1 = 99;
	    	c10 = c1%10;
	    	c11 = (c1-c10)/10;
	    	x = x+3;
	   		if (x >= 99)
	   			x = 99;
	   		x0 = x%10;
	   		x1 = (x-x0)/10;
	   	end
		case (c11) // value of HEX3 //
		0: d43<=n0;
		1: d43<=n1;
		2: d43<=n2;
		3: d43<=n3;
		4: d43<=n4;
		5: d43<=n5;
		6: d43<=n6;
		7: d43<=n7;
		8: d43<=n8;
		9: d43<=n9;
		endcase
		case (c10) // value of HEX2 //
   		0: d42<=n0;
  		1: d42<=n1;
  		2: d42<=n2;
   		3: d42<=n3;
  		4: d42<=n4;
  		5: d42<=n5;
		6: d42<=n6;
		7: d42<=n7;
		8: d42<=n8;
		9: d42<=n9;
		endcase
		if (c1 >= 4)
			state1 <= 10'b0011111111;
		d3 <= d43; d2 <= d42; d1 <= 127; d0 <= 127;
	end

	else if (sw == 10'b0000010000) // SW4 with SW3 down - Team Fouls of 2nd team //
	begin
		if (trig3 == 1 && b == 0)
	    begin
	    	c2 = c2+1;
	    	if (c2 >= 99)
	    		c2 = 99;
	    	c20 = c2%10;
	    	c21 = (c2-c20)/10;
		end
	    else if (trig2 == 1 && b == 0)
	    begin
	    	c2 = c2+1;
	    	if (c2 >= 99)
	    		c2 = 99;
	    	c20 = c2%10;
	    	c21 = (c2-c20)/10;
	    	y = y+1;
	   		if (y >= 99)
	   			y = 99;
	   		y0 = y%10;
	   		y1 = (y-y0)/10;
	   	end
	    else if (trig1 == 1 && b == 0)
	    begin
	    	c2 = c2+1;
	    	if (c2 >= 99)
	       		c2 = 99;
	    	c20 = c2%10;
	    	c21 = (c2-c20)/10;
	    	y = y+2;
	   		if (y >= 99)
	   	   		y = 99;
	   		y0 = y%10;
	   		y1 = (y-y0)/10;
	   	end
	    else if (trig0 == 1 && b == 0)
	    begin
	    	c2 = c2+1;
	    	if (c2 >= 99)
	    		c2 = 99;
	    	c20 = c2%10;
	    	c21 = (c2-c20)/10;
	    	y = y+3;
	   		if (y >= 99)
	   			y = 99;
	   		y0 = y%10;
	   		y1 = (y-y0)/10;
	   	end
	   	case (c21) // value of HEX3 //
		0: d33<=n0;
		1: d33<=n1;
		2: d33<=n2;
		3: d33<=n3;
		4: d33<=n4;
		5: d33<=n5;
		6: d33<=n6;
		7: d33<=n7;
		8: d33<=n8;
		9: d33<=n9;
		endcase
		case (c20) // value of HEX2 //
   		0: d32<=n0;
  		1: d32<=n1;
  		2: d32<=n2;
   		3: d32<=n3;
  		4: d32<=n4;
  		5: d32<=n5;
		6: d32<=n6;
		7: d32<=n7;
		8: d32<=n8;
		9: d32<=n9;
		endcase
		if (c2 >= 4)
			state2 <= 8'b11111111;
		d3 <= d33; d2 <= d32; d1 <= 127; d0 <= 127;
	end

	else if (sw == 10'b0000000110) // SW2 with SW1 up - Timeout Countdown //
	begin
		a0 <= 1;
		d3 <= d13; d2 <= d12; d1 <= 127; d0 <= 127;
	end

	else if (sw == 10'b0000000100) // SW2 with SW1 down - Number of Timeouts for both team //
	begin
		a0 <= 1;
		if (trig3 == 1 && b == 0)
		begin
	    	if (j3 <= 1)
	    		j3 = 0;
	    	else
	    		j3 = j3 - 1;
	    	bb <= 0;
	    end
	    else if (trig2 == 1 && b == 0)
	    begin
	    	if (j2 <= 1)
	    		j2 = 0;
	    	else
	    		j2 = j2 - 1;
	    	bb <= 0;
	    end
	    else if (trig1 == 1 && b == 0)
	    begin
	    	if (j1 <= 1)
	    		j1 = 0;
	    	else
	    		j1 = j1 - 1;
	    	bb <= 0;
	    end
	    else if (trig0 == 1 && b == 0)
	    begin
	    	if (j0 <= 1)
	    		j0 = 0;
	    	else
	    		j0 = j0 - 1 ;
	    	bb <= 0;
	    end
	   	case (j3) // value of HEX3 //
		0: d23<=n0;
		1: d23<=n1;
		2: d23<=n2;
		3: d23<=n3;
		4: d23<=n4;
		5: d23<=n5;
		6: d23<=n6;
		7: d23<=n7;
		8: d23<=n8;
		9: d23<=n9;
		endcase
		case (j2) // value of HEX2 //
   		0: d22<=n0;
  		1: d22<=n1;
  		2: d22<=n2;
   		3: d22<=n3;
  		4: d22<=n4;
  		5: d22<=n5;
		6: d22<=n6;
		7: d22<=n7;
		8: d22<=n8;
		9: d22<=n9;
		endcase
		case (j1) // value of HEX1 //
		0: d21<=n0;
		1: d21<=n1;
		2: d21<=n2;
		3: d21<=n3;
		4: d21<=n4;
		5: d21<=n5;
		6: d21<=n6;
		7: d21<=n7;
		8: d21<=n8;
		9: d21<=n9;
		endcase
		case (j0) // value of HEX0 //
   		0: d20<=n0;
  		1: d20<=n1;
  		2: d20<=n2;
   		3: d20<=n3;
  		4: d20<=n4;
  		5: d20<=n5;
		6: d20<=n6;
		7: d20<=n7;
		8: d20<=n8;
		9: d20<=n9;
		endcase
		d3 <= d23; d2 <= d22; d1 <= d21; d0 <= d20;
	end

	else // No Active Switch //
	begin
		a0 <= 0;
		d3 <= 127; d2 <= 127; d1 <= 127; d0 <= 127;
	end

	if (t3 == n0 && t2 == n0 && t1 == n0 && t0 == n0) // Quarter Changes //
	begin
		case (d63)
		n1: begin
		c1 = 0; c2 = 0; state1 <= 10'b0000000000; state2 <= 8'b00000000;
		c10 <= 0; c11 <= 0; c20 <= 0; c21 <= 0;
		j3 <= j3 + 1; j2 <= j2 + 2; j1 <= j1 + 1; j0 <= j0 + 2;
		end
		n2: begin
		c1 = 0; c2 = 0; state1 <= 10'b0000000000; state2 <= 8'b00000000;
		c10 <= 0; c11 <= 0; c20 <= 0; c21 <= 0;
		j3 <= 1; j2 <= 2; j1 <= 1; j0 <= 2;
		end
		n3: begin
		c1 = 0; c2 = 0; state1 <= 10'b0000000000; state2 <= 8'b00000000;
		c10 <= 0; c11 <= 0; c20 <= 0; c21 <= 0;
		j3 <= j3 + 1; j2 <= j2 + 2; j1 <= j1 + 1; j0 <= j0 + 2;
		end
		endcase
	end

	if (d13 == n0 && d12 == n0) // Timeout Ends //
		bb <= 1;

end

endmodule










set_location_assignment PIN_L1 -to clk

set_location_assignment PIN_R17 -to r[9]
set_location_assignment PIN_R18 -to r[8]
set_location_assignment PIN_U18 -to r[7]
set_location_assignment PIN_Y18 -to r[6]
set_location_assignment PIN_V19 -to r[5]
set_location_assignment PIN_T18 -to r[4]
set_location_assignment PIN_Y19 -to r[3]
set_location_assignment PIN_U19 -to r[2]
set_location_assignment PIN_R19 -to r[1]
set_location_assignment PIN_R20 -to r[0]

set_location_assignment PIN_Y21 -to g[7]
set_location_assignment PIN_Y22 -to g[6]
set_location_assignment PIN_W21 -to g[5]
set_location_assignment PIN_W22 -to g[4]
set_location_assignment PIN_V21 -to g[3]
set_location_assignment PIN_V22 -to g[2]
set_location_assignment PIN_U21 -to g[1]
set_location_assignment PIN_U22 -to g[0]

set_location_assignment PIN_L2 -to sw[9]
set_location_assignment PIN_M1 -to sw[8]
set_location_assignment PIN_M2 -to sw[7]
set_location_assignment PIN_U11 -to sw[6]
set_location_assignment PIN_U12 -to sw[5]
set_location_assignment PIN_W12 -to sw[4]
set_location_assignment PIN_V12 -to sw[3]
set_location_assignment PIN_M22 -to sw[2]
set_location_assignment PIN_L21 -to sw[1]
set_location_assignment PIN_L22 -to sw[0]

set_location_assignment PIN_T21 -to k[3]
set_location_assignment PIN_T22 -to k[2]
set_location_assignment PIN_R21 -to k[1]
set_location_assignment PIN_R22 -to k[0]

set_location_assignment PIN_E2 -to hex0[0]
set_location_assignment PIN_F1 -to hex0[1]
set_location_assignment PIN_F2 -to hex0[2]
set_location_assignment PIN_H1 -to hex0[3]
set_location_assignment PIN_H2 -to hex0[4]
set_location_assignment PIN_J1 -to hex0[5]
set_location_assignment PIN_J2 -to hex0[6]
set_location_assignment PIN_D1 -to hex1[0]
set_location_assignment PIN_D2 -to hex1[1]
set_location_assignment PIN_G3 -to hex1[2]
set_location_assignment PIN_H4 -to hex1[3]
set_location_assignment PIN_H5 -to hex1[4]
set_location_assignment PIN_H6 -to hex1[5]
set_location_assignment PIN_E1 -to hex1[6]
set_location_assignment PIN_D3 -to hex2[0]
set_location_assignment PIN_E4 -to hex2[1]
set_location_assignment PIN_E3 -to hex2[2]
set_location_assignment PIN_C1 -to hex2[3]
set_location_assignment PIN_C2 -to hex2[4]
set_location_assignment PIN_G6 -to hex2[5]
set_location_assignment PIN_G5 -to hex2[6]
set_location_assignment PIN_D4 -to hex3[0]
set_location_assignment PIN_F3 -to hex3[1]
set_location_assignment PIN_L8 -to hex3[2]
set_location_assignment PIN_J4 -to hex3[3]
set_location_assignment PIN_D6 -to hex3[4]
set_location_assignment PIN_D5 -to hex3[5]
set_location_assignment PIN_F4 -to hex3[6]