The Atari 1200XL was the third Atari 8-bit computer. Announced in late 1982 and available in early 1983, it was designed as a replacement for the Atari 800, which was becoming increasingly expensive to produce, and to serve as a better competitor to the upstart Commodore 64.The 800 had several motherboards and a heavy case with lots of metal shielding, both of which made it impractical for Atari to lower its price much without losing money.It made a lot of sense for Atari to have a more powerful...