Ted Dabney game. As "Pong" became successful, Dabney felt overshadowed by both Bushnell and Alcorn. He learned that Bushnell had patented his video circuit idea without including Dabney on the patent. Bushnell also had assigned Dabney a lower-level position in Atari and did not include him in high-level meetings. Around March 1973, Dabney left the company over this falling out, selling his portion of the company's ownership for . Dabney did continue to help Bushnell with starting his Pizza Time Theater (the predecessor of Chuck E. Cheese's) and Catalyst Technologies as an employee, being wary of Bushnell's previous treatment of him. Alongside
Computer Space Ted Dabney "Spacewar" at the Stanford laboratory, and the two agreed to work together to try and design a prototype of the game; Bushnell was more experienced with computers and digital engineering, while Dabney was more experienced with analog and hardware engineering, as he had been working on designing video processing and control circuits and power supplies. After agreeing on an initial idea, Bushnell and Dabney began trying to design a prototype based on a Data General Nova. Initially they were joined by Larry Bryan, a computer programmer who also worked at Ampex. Bushnell and Dabney put US$100 each into