Use the Steam Deck's Right Trackpad as N64 C Buttons! - YouTube
Why did the Nintendo 64 controller include four C buttons? - Quora
N64 Programming Manual
Nintendo 64 controller Troubleshooting - iFixit
VR-ESPECIAL N64 Nintendo 64 Wired Controller Open Box - Transparent Green | eBay
V38 N64 Button Mapping : r/batocera
Amazon.com: KIWITATA Wireless N64 Controller, 2.4GHZ N64 Wireless Remote Joystick Game Controller Gamepad Compatible with N64 System Video Console (Gray) : Video Games
Amazon.com: 4 Pack Classic 64 Controller, suily Game pad Joystick for 64 - Plug & Play (Non PC USB Version) (Black/Gray/Red/Blue) : Video Games
N64 Retroarch C button controls - Noobs - LaunchBox Community Forums
Nintendo 64 controller - Wikipedia
NSO N64 Button Mapping - YouTube
N64 FPS players, please, use the D-pad instead of the c-buttons! | NeoGAF
Nintendo 64 controller | Conker Wiki | Fandom
The button mapping for N64 games on the Nintendo Switch Online app were designed by aliens! | ResetEra
How to use a PS4 controller on an N64 emulator - Quora
Questions for a custom controller: C-button and expansion port usage in various games : r/n64