Things You'll Need
Instructions
Download the PS3 controller drivers for Windows from the developer's website.
Plug the PS3 controller into the computer with its mini USB cable.
Install the PS3 controller driver on the computer. Click "Install" to verify that you want to install the driver.
Open the DS3 Tool program on the computer. DS3 Tool was installed with the PS3 controller driver.
Click "Load" to set the driver.
Open the Nintendo 64 emulator. Click the "Options" button, and click "Configure Controller Plugin." A list of N64 controller buttons appears.
Click each button and press the corresponding button on the PS3 controller that you want to use as that N64 button. Complete the entire set of buttons and the PS3 controller is set to use with your N64 games.