Sm64config.txt Jun 2026

: Movement mappings.

This article will dissect every aspect of sm64config.txt , from its default location to advanced command-line arguments.

: Always make a copy of the file before editing. Name it sm64config.bak . Edit : Open with a text editor. Change Values : Modify the numbers or true/false statements. Save and Close : Save the file. Run the Game : Launch the game to apply the changes.

Change false to true , alter numbers for volumes, or change button codes. Save the file. Restart the game. Troubleshooting: Resetting Controls

If you cannot find sm64config.txt , ensure you have actually booted the game and closed it properly. If it still does not appear, check if your antivirus software is blocking the game from writing to your %AppData% folder. Game Crashes After Editing sm64config.txt

✅ (e.g., --resolution 1920 1080 ). ✅ Framerate is set to 30 (unless using a physics unlock patch). ✅ Audio buffer is adequate ( --buffersize 1024 or higher). ✅ Deadzone matches your controller (test with --deadzone 0.2 ). ✅ No duplicate flags (the last line overrides previous ones).

Delete sm64config.txt entirely. The game executable will detect the missing file and generate a fresh copy with safe, default factory settings. Settings Aren't Saving

: For some, the file is essential for fixing "speed" bugs; without manually locking the frame rate or adjusting the config, the game may run too fast or crash. Common sm64config.txt Key Bindings

window_x , window_y : Sets the starting position of the window. : Movement mappings

The sm64config.txt file is the primary configuration file for the unofficial PC port of Super Mario 64 . This port, often referred to as sm64ex or other variants like sm64coopdx , is not an emulator but a native port built from the game's decompiled source code. The file is created automatically the first time you run the game and contains a series of key-value pairs that control the game's internal settings.

[Audio] volume_master = 80 volume_music = 70 output_device = default

If you open sm64config.txt with a text editor (like Notepad, Notepad++, or VS Code), you will see a list of parameters. While the specific options can vary based on which "fork" (version) of the game you are playing, here are the standard categories you will encounter.

Specifically adjusts the background tracks. Name it sm64config

[SUPER MARIO 64] RDRAM Size=8 Counter Factor=2 CPU Type=Recompiler Self-modifying code=Check Memory Advance RSP Enable=No Use High Resolution=Yes Force Normal Blending=No

Enables a modern, 360-degree controllable camera system using the right analog stick, completely replacing the restrictive, grid-locked Lakitu camera of the original game.

Because this file directly impacts how the engine initializes hardware, improper edits can cause bugs. Game Crashes on Launch

The most common reason to edit this file is to remap keys beyond the basic in-game menu. The port uses DirectInput scancodes rather than standard ASCII. Render96ex macOS Edition - GitHub

Need to fix your controls or tweak settings in the SM64 native port? You don't always need an external tool—you can edit the sm64config.txt file directly. Where to find it:

Which are you running (e.g., sm64ex, Render96, coopdx)? Are you playing with a keyboard or a specific controller ? What error or performance issue are you trying to fix?