After inspecting the sync generator, he discovered that it could generate different tones and used those for the game's sound effects.
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Alcorn had limited space available for the necessary electronics and was unaware of how to create such sounds with digital circuits. Dabney wanted the game to "boo" and "hiss" when a player lost a round. Three months into development, Bushnell told Alcorn he wanted the game to feature realistic sound effects and a roaring crowd. Instead of dedicating time to fixing the defect, Alcorn decided it gave the game more difficulty and helped limit the time the game could be played he imagined two skilled players being able to play forever otherwise. This was caused by a simple circuit that had an inherent defect. Another feature was that the in-game paddles were unable to reach the top of the screen. He also made the ball accelerate the longer it remained in play missing the ball reset the speed. For example, the center segments return the ball a 90° angle in relation to the paddle, while the outer segments return the ball at smaller angles. He divided the paddle into eight segments to change the ball's angle of return. Feeling the basic game was too boring, Alcorn added features to give the game more appeal. He went on to create his own designs based on his knowledge of transistor–transistor logic (TTL) and Bushnell's game. Though he thought the game lacked quality, seeing it prompted Bushnell to assign the project to Alcorn.Īlcorn first examined Bushnell's schematics for Computer Space, but found them to be illegible. In May 1972, Bushnell had visited the Magnavox Profit Caravan in Burlingame, California where he played the Magnavox Odyssey demonstration, specifically the table tennis game. However, Alcorn has claimed it was in direct response to Bushnell's viewing of the Magnavox Odyssey's Tennis game. In 2011, Bushnell stated that the game was inspired by previous versions of electronic tennis he had played before Bushnell played a version on a PDP-1 computer in 1964 while attending college. Bushnell told Alcorn that he had a contract with General Electric for a product, and asked Alcorn to create a simple game with one moving spot, two paddles, and digits for score keeping. To acclimate Alcorn to creating games, Bushnell gave him a project secretly meant to be a warm-up exercise. However, Bushnell had concerns that it might be too complicated for Alcorn's first game. Bushnell had originally planned to develop a driving video game, influenced by Chicago Coin's Speedway (1969) which at the time was the biggest-selling electro-mechanical game at his amusement arcade. Prior to working at Atari, Alcorn had no experience with video games. Soon after the founding, Bushnell hired Allan Alcorn because of his experience with electrical engineering and computer science Bushnell and Dabney also had previously worked with him at Ampex. The first contract was with Bally Manufacturing Corporation for a driving game. After producing Computer Space, Bushnell decided to form a company to produce more games by licensing ideas to other companies. Pong was the first game developed by Atari.
The goal is for each player to reach eleven points before the opponent points are earned when one fails to return the ball to the other. Players use the paddles to hit a ball back and forth. They can compete against another player controlling a second paddle on the opposing side. The player controls an in-game paddle by moving it vertically across the left or right side of the screen. Pong is a two-dimensional sports game that simulates table tennis.
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