[janezkranjc]

You can just set up a game specific config for each multitap game.

input_libretro_device_p2=1025

[janezkranjc]

try lr-SNES9x-next, I think this one has an option of multitap

[janezkranjc]

Which backend are you using for snes?

[janezkranjc]

Yes it works, but you need a different setting (I’m sure 1025 will not work, but some other value will). You need to figure it out by following what I did and find the proper device type.

If you can’t find it, I will try it for you, but I cannot this week as I am on a business trip.

[janezkranjc]

I programmed this feature into the runcommand.sh so that it is now possible to have separate configs for separate games.

[janezkranjc]

I just added a pull request, where it is now possible to have a custom config for each rom (that uses retroarch). It was merged into the retropie script so if you update it you will get the ability to edit custom config inside the menu (press m or x while loading game).

It works in the same way as you described in your issue.

[janezkranjc]

Did you figure out a solution to your problem?

[janezkranjc]

Ok I should note that with this setting other games without multitap do not work (controllers aren’t recognized) :) So I apparently need to figure out a way to have rom-specific cfg settings for games with multitap.

[janezkranjc]

Ok I figured it out!

You have to use lr-genesis-plus-gx for this to work. When you’re inside the game press the hotkey+menu toggle button together to get to the menu.

Then you have to go to Settings and then to Input settings.

Then I changed the Use 2 Device Type from Joypad Auto to MD Joypad 3 button + 4-WayPlay

When I reset the game it worked! (Hotkey+reset)

I then saved the config to see what the setting looks like in the config:

its like this:

input_libretro_device_p2="1025"

I included this in my megadrive retroarch.cfg and now it works like a charm everytime I start the game!

[janezkranjc]

What you two did was you mapped the keys for player 2 but you didn’t unmap the keys for player 1 which are set as default

just paste something like this:

input_player1_a = nul
input_player1_b = nul
input_player1_y = nul
input_player1_x = nul
input_player1_start = nul
input_player1_select = nul
input_player1_l = nul
input_player1_r = nul
input_player1_left = nul
input_player1_right = nul
input_player1_up = nul
input_player1_down = nul
input_player2_a = x
input_player2_b = z
input_player2_y = a
input_player2_x = s
input_player2_start = enter
input_player2_select = rshift
input_player2_l = q
input_player2_r = w
input_player2_left = left
input_player2_right = right
input_player2_up = up
input_player2_down = down

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