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Atari 7800

Atari's 1986 third-generation home console, combining MARIA graphics with broad arcade and Atari 2600 game compatibility.

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About Atari 7800

The Atari 7800 was Atari Corporation's third-generation home console, designed to improve substantially on the Atari 2600 while retaining compatibility with its library. Its MARIA graphics chip enabled colorful, sprite-focused arcade conversions, although the system's sound hardware was comparatively limited.

Released commercially in 1986 after an earlier 1984 test launch, the Atari 7800 had a strong arcade-oriented library but faced Nintendo's rapidly expanding market dominance. It remains notable for games such as Food Fight, Joust, and Mario Bros.

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Technical specifications

Processor
Atari 6502C (SALLY), approximately 1.79 MHz; the system can slow the CPU during display-list DMA.
Graphics
Atari MARIA custom graphics processor; object-based display lists, with resolutions including 160- and 320-pixel modes and a 256-color palette.
Memory
4 KB system RAM; cartridge ROM capacity varied by cartridge, with standard software commonly using up to 48 KB without bank switching.
Display
NTSC or PAL composite video; resolution and color count varied by display mode, with up to 25 colors on screen from a 256-color palette in 160-pixel mode.
Audio
TIA audio hardware with two channels; some cartridges added an Atari POKEY chip for enhanced sound.
Storage media
ROM cartridges; compatible with Atari 2600 cartridges through its cartridge interface, subject to compatibility limitations.
Controllers
Two controller ports supporting Atari 7800 two-button joysticks; many Atari 2600 controllers and accessories were compatible.

Release history

  1. 1986United States

    Commercially launched by Atari Corporation after a limited 1984 test release.

  2. 1986Europe

    Released in European markets.

Notable games

Atari 7800 questions

Catalog, discovery, and browser compatibility answers.

How many Atari 7800 games are in the catalog?

Atari 7800 currently has 1 active entries in the EmuGamers catalog.

How can I find a Atari 7800 game?

Use the platform directory filters or search by title, genre, series, and first letter. Open a game detail page for its controls and compatibility status.

Can I play every Atari 7800 game in the browser?

No. Browser play is title-specific. A configured runtime is not the same as a dated compatibility test, so review the status shown on each game page.