input_player1_joypad_index = “0”
input_player1_b_btn = “1”
input_player1_y_btn = “4”
input_player1_select_btn = “7”
input_player1_start_btn = “6”
input_player1_a_btn = “0”
input_player1_x_btn = “3”
input_player1_l_btn = “2”
input_player1_r_btn = “5”
input_player1_up_axis = “-1”
input_player1_down_axis = “+1”
input_player1_left_axis = “-0”
input_player1_right_axis = “+0”

input_player2_joypad_index = “0”
input_player2_b_btn = “11”
input_player2_y_btn = “14”
input_player2_select_btn = “7”
input_player2_start_btn = “16”
input_player2_a_btn = “10”
input_player2_x_btn = “13”
input_player2_l_btn = “12”
input_player2_r_btn = “15”
input_player2_up_axis
= “-3” ###— RetroArchConfig gave me a other entry than this one.
This four (up, down, left, right) are working.
input_player2_down_axis = “+3”
input_player2_left_axis = “-2”
input_player2_right_axis = “+2”

input_enable_hotkey_btn = “6” ###– If you press Button 6 AND 7 you get back to Emulation Station
input_exit_emulator_btn = “7” ###– -“-
input_save_state_btn = “#” ###— Save Games
input_load_state_btn = “#” ###— Load Games

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This is my working config. -> https://www.petrockblock.com/forums/topic/raspberryretropie-arcade-gaming-cabinet/