`include "hvsync_generator.v" /* Switch test program. Player 1 Keys: arrow keys + space + shift Player 2 Keys: A/D/W/S + T + R */ module switches_top(clk, reset, hsync, vsync, switches_p1, switches_p2, rgb); input clk, reset; input [7:0] switches_p1; input [7:0] switches_p2; output hsync, vsync; output [2:0] rgb; wire display_on; wire [8:0] hpos; wire [8:0] vpos; hvsync_generator hvsync_gen( .clk(clk), .reset(reset), .hsync(hsync), .vsync(vsync), .display_on(display_on), .hpos(hpos), .vpos(vpos) ); // select p1 bit based on vertical position wire p1gfx = switches_p1[vpos[7:5]]; // select p2 bit based on horizontal position wire p2gfx = switches_p2[hpos[7:5]]; assign rgb = {1'b0, display_on && p1gfx, display_on && p2gfx}; endmodule