module my_ram32x4_on_board(
    input [9:0] SW,
    input [1:0] KEY,
    output [0:6] HEX0,HEX2,HEX4,HEX5);

    wire [3:0] h0;

    ram32x4 exm(SW[8:4],KEY[0],SW[3:0],SW[9],h0);

    decoder_hex_16 d5({3'b000,SW[8]},HEX5);
    decoder_hex_16 d4(SW[7:4],HEX4);
    decoder_hex_16 d2(SW[3:0],HEX2);
    decoder_hex_16 d0(h0,HEX0);
endmodule