module reuleaux(input logic clk, input logic rst_n, input logic [2:0] colour,
                input logic [7:0] centre_x, input logic [6:0] centre_y, input logic [7:0] diameter,
                input logic start, output logic done,
                output logic [7:0] vga_x, output logic [6:0] vga_y,
                output logic [2:0] vga_colour, output logic vga_plot);
     // draw the Reuleaux triangle
endmodule