jelos.org/includes/controls/dolphin.md

Dolphin-SA (Gamecube)

Button Combo	Action
++"SELECT"+"START"++	Quit Game
++"SELECT"+"R1"++	Save State
++"SELECT"+"L1"++	Load State
++"SELECT"+"{{ btn_south }}"++	Screenshot
++"SELECT"+"{{ btn_east }}"++	Change Internal Resolution
++"SELECT"+"{{ btn_north }}"++	Change Aspect Ratio
++"SELECT"+"{{ btn_west }}"++	Show FPS
++"SELECT"+"D-Pad Up"++	Increase current state slot
++"SELECT"+"D-Pad Down"++	Decrease current state slot
++"SELECT"+"R2"++	Fast-Forward