Atari, Inc. he was being put to the side by Bushnell; Bushnell had left him out of several high-level meetings, assigned him to overseeing the manufacturing process but not the design work, and Dabney discovered Bushnell had patented his video circuit concept without him as an inventor. In March 1973, Dabney formally left Atari, selling his portion of the company for . While Dabney would continue to work for Bushnell on other ventures, including Bushnell's Pizza Time Theater, the predecessor to Chuck E. Cheese's, he had a falling out with Bushnell and ultimately left the video game industry. Dabney's contributions towards Atari's
Galaxy Game were well into development and had gotten permission to place the machine at the Tresidder student union building at Stanford as a test site. It was then that they received a call from Nolan Bushnell, who had heard of their project and wanted to show them his similar project he was working on. Bushnell had also played "Spacewar" during the 1960s and wanted to make an arcade game version of it, but had gone in a different technological direction. He and Ted Dabney had initially started with a US$4,000 Data General Nova computer which they thought would be powerful enough