Tetris83 For TI-83 Ion
by Jon Martin

This game is pretty self-explanatory, it's tetris, after-all.
There are three highscores, and moving backgrounds that change every level.

Controls:
	In Game:
		Second: Rotate Clockwise
		Alpha: Rotate Counter-Clockwise
		Left/Right/Down: Move in the respective direction
		Enter: Pause
		Mode: Teacher Key, Exits instantly, and saves game
		Clear: Exit, and clear game
		Up: drop piece instantly
		Y=: to exchange current piece with hold piece

	In Highscores:
		Enter: Confirm
		Alpha: Toggle uppercase/lowercase
		Del: Go back a letter