The serial interface library (SI library) is a low-level library for managing communications with GameCube Controllers and other devices connected to the Revolution's GameCube Controller Port (Controller Port). It is a low-level library that is part of the PAD library.
The WPAD library (wpadEmu[D].a) also uses the SI library as a low-level library. (The WPAD library is for UI Tool version 3, which is the type of Revolution Standard Controller that connects to the Controller Port.)
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03/01/2006 Initial version.