- from Undocumented DOS: A Programmer’s Guide to Reserved MS-DOS Functions and Data Structures (2nd edition, 1994. Copyright (c) Andrew Schulman 1994-2020. All rights reserved. [This nearly-ancient text (along with others from Undocumented DOS and Undocumented Windows) is being presented as a case study in some methodologies of software reverse engineering, applied to mass-market software. Note that this chapter appeared in the 2nd edition of the book, not in the 1st edition.]
- Space Invaders (Atari 2600) online game (atarionline.org)
Pitfall! is a platform video game designed by David Crane for the Atari 2600 and released by Activision in 1982. The player controls Pitfall Harry and is tasked with collecting all the treasures in a jungle within 20 minutes. The world consists of 255 screens which are horizontally connected in a flip screen manner. Each screen has one or more hazards: quicksand, tarpits, rolling logs, crocodiles, snakes, scorpions, campfires, and swinging vines. Pitfall! received positive reviews upon release and is now considered one of the greatest video games ever made. It is one of the best-selling games on the Atari 2600, with over four million copies sold. It was the top video game on the Billboard charts for more than a year, and helped define the flip-screen platform game genre. All versions of the game sold over 5 million copies worldwide.