 GRAPHICS 8+16).If bitmap mode in full screen is invoked, Atari BASIC will automatically switch back into text mode when program execution is terminated unlike many other BASICs which leave the user in bitmap mode and have an unreadable screen that can only be switched out of via typing a blind command or resetting the computer.Bitmap coordinates are calculated in the range of 1 to maximum row/column minus one, thus in Mode 6 (160x192), the maximum coordinates for a pixel can be 159 and 191.