This site has everything, from assembling Atari 8-bit computers based on the 6502 chip, to programming them in BASIC and assembly, to running official and homebrew games on the hardware itself.

[ModPurist] was lucky enough to secure one of the Atari 8-bit computers through bartering with a local game store, an Atari 600XL from around 1983 or 1984, complete with its original box ...

THE400 Mini, a half-sized version of Atari’s 8-bit, 1979 computer console that includes 25 classic Atari games, including Millipede, Star Raiders II, and more, is now available, PLAION and Retro ...

the company has turned its hand to a 1970s computer than few might have considered – the Atari 400. The 400 Mini, as it is called, is a miniature replica of a fairly rare 8-bit computer.

Notably, however, it's compatible with games across all of Atari's 8-bit systems, which includes the 800 (effectively the same computer), 5200, 130XE, and more. A retro console updated for modern ...

for their Atari 8-bit computer line (400/800/XL/XE). This port was identical to the previously released Atari 5200 version of the game. For unknown reasons, the game was canceled despite being ...