TAS

Match Yaw

Holds the angle most closely matching Mario's facing direction.

Reverse Angle

Holds the angle most closely matching Mario's opposite facing direction.

Match Angle

Holds the angle most closely matching the one specified in the textbox beside it.

.99

Holds an angle which attempts to hold Mario's speed at 31.99 or 47.99 for 1 frame.

Always

Utilizes the .99 strain method constantly.

D-Yaw

Makes Match Yaw's textbox act as an angle offset to Mario's current angle, not an absolute one.

Arctan Strain

Strains over N frames in a way to gain more distance. If Match Angle is enabled it will use the input field instead, while considering D-Yaw.

Arctan Invert

Reverses the order of Arctan inputs.

+- Buttons

Affects parameters of arctan straining.

Magnitude

Specifies the maximum allowed joystick magnitude.

High Magnitude

Prioritizes magnitude over angle.

Spdkick

Sets the magnitude to 48 and enables High Magnitude.

Reset Magnitude

Removes the magnitude cap and disables High Magnitude.

Swim

Swims automatically and optimally while underwater.

Presets

Presets hold a configuration of SM64Lua Redux across restarts. There are a total of 6 presets available which can be selected by clicking the respective button in the bottom preset rail. Pressing the Reset button will reset the currently selected preset to its default state.

Credits: mkdasher's SM64Lua readme