By default, this value is 0, so it never happens in-game normally anyways. When it does, it plays the animation that plays when you press the 'GO' stoplight button again. It takes a number from 0-100 (any other numbers will just cap it within that range) and if it's nonzero, what happens is that after the first time you press the 'GO' stoplight button, it takes the number you put in and decrements it until it reaches 0. JOY - This one's functionality is strange.MSG - Takes a number from 40-200 and sets that as the controller poll frequency (not shown in the video).
NOSOUND - Disables loading the sound subsystem.NODAT - Makes the game not load SONIC.DAT, and thus not load certain files, which can cause the game to crash.BUILD - This allows you to 'build' the data used by the game, as seen in the 'CHEAT' features.
Adding/removing PCX files and recording demos requires 'BUILD' mode to be enabled as well. If you run the game from the command line, you can set the following parameters:
