@pamela #2
My cousing Chris had an Atari 800XL with an Atari 1010 casette recorder. I had used Apple computers at school (another story to tell), but the Atari was mind blowing. It had a blue background for basic. There was a black and white "Atari Basic Reference for Experienced Programmers" pamphlet that I used to bridge my knowledge of Apple BASIC to the Atari. It told me how to use the Joystick.
I created a program that pretended to be the controls for a Tardis. The joystick opened the door