series of home computer models
The Atari XL was a series of 8-bit home computers introduced in 1983. They were an improved version of the Atari 400 and Atari 800 computers from 1979.
Their main CPU was a MOS Technology 6502. There were 3 versions- the 1200XL, the 600XL and the 800XL. All three used a normal television as a display.