From ALttP Speedrunning Wiki
The following are the recommended settings for RetroArch. Please note that Run-Ahead, being an emulator specific feature to provide an advantage over native console, must be disabled.
|Core||SNES9X (without an attached date)|
|Vertical Refresh Rate||60.099|
|Hard GPU sync||On|
|Frame Delay||as high as possible without affecting performance (This setting reduces emulator-specific input delay)|
|Run Ahead to Reduce Latency||MUST BE OFF|