Right-click gens.exe and left-click Properties.You should be able to fix this by using the Windows Compatibility feature to have Gens/GS emulated under an older version of Windows. When using Windows 8 or Windows 10/11, Gens/GS may behave funny (display weird artifacts at the top) or even crash when you jump into full screen mode.

Q: Gens/GS crashes when entering full screen!Īlthough Gens/GS is a top emulator, the fact still remains that it hasn't been updated in a long time. To configure buttons for Player 2, under Port 2 click on Configure and repeat the same process. Gens/GS will automatically cycle you through all the buttons. Same as above, press the keyboard key or gamepad button that you want configured for the virtual Genesis controller.

To change all buttons, click on the Change All Buttons towards the bottom, as shown below:.

Go ahead and press a keyboard button (if you want to reconfigure the keyboard) or press a gamepad button (if you want to configure your gamepad).

To change a specific button, click on the Change button associated with the button you want to change, as shown below:.

If Gens/GS is open then close it and re-open it.

If you want to configure a gamepad, first plug your gamepad into your computer.

You can change it to a 3-button controller by clicking on the drop-down selection next to Port 1, as shown here. They looked like this:īy default, Gens/GS is set to emulate the 6-button controller. The Genesis had two types of controllers: a 3-button and a 6-button controller.

The first step in configuring the keyboard or a gamepad is to decide on the controller type.

If you're okay with Gens/GS's default keyboard setup, then you don't need to continue with these directions - unless you want to configure a gamepad. In the “ Configure Player 1” panel you see which keyboard keys are associated with which button on the virtual Genesis controller for Player 1 (as Port 1).

Click on Options > Joypads, as shown here.

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