Here are my controls for a keyboard. Just replace whats in the original config with this and change the controls to whatever you like. I didn't set it for p2 and p4 though.
Spoiler, click to toggle visibilty
//Player 1
in.new[0].set(
-1, (int)k_t::w, (int)k_t::s, (int)k_t::a, (int)k_t::d,
(int)k_t::INSERT, (int)k_t::HOME, (int)k_t::PAGEDOWN, (int)k_t::DELETE, (int)k_t::END, (int)k_t::PAGEUP,
(int)k_t::RETURN);
//Player 2
in.new[1].set(
1, 0, 1, 2, 3, //joypad, up, down, left, right,
10, 11, 8, 12, 13, 9, //a, b, c, x, y, z,
4); //start;
//Player 3
in.new[2].set(
-1, (int)k_t::w, (int)k_t::s, (int)k_t::a, (int)k_t::d,
(int)k_t::INSERT, (int)k_t::HOME, (int)k_t::PAGEDOWN, (int)k_t::DELETE, (int)k_t::END, (int)k_t::PAGEUP,
(int)k_t::RETURN);
//Player 4
in.new[3].set(
1, 0, 1, 2, 3, //joypad, up, down, left, right,
10, 11, 8, 12, 13, 9, //a, b, c, x, y, z,
4); //start;