微處理器 - Xilinx XC2C64A (CoolRunner-II CPLD) - Xilinx ISE - Verilog - Button

參考資訊：
http://dangerousprototypes.com/docs/CoolRunner-II_CPLD_breakout_board
http://dangerousprototypes.com/docs/CPLD:_Complex_programmable_logic_devices#Programming

main.v

module main (
    input btn,
    output reg led
);
   
initial begin
    led = 0;
end
     
always @(*) begin
    led <= ~btn;
end

endmodule

main.ucf

NET "btn" LOC = "P18";
NET "led" LOC = "P39";

完成