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Atari 7800

CX7800 · 1986–1992 · home console

Specifications

Cpu: Atari SALLY 6502C, 1.19 MHz (1.79 MHz burst mode available to software)
Gpu: Atari MARIA graphics chip, up to 256 colors on screen from a 25 color palette per line, 320x240 resolution
Ram: max: 4 KB (fixed, not expandable) · base: 4 KB
Media: ROM cartridge
Output: RF to television; composite video via the rear expansion port on some units
Storage: base: None (cartridge only) · options:
Release Price: $139.95

Variants

Models

Launch modelOriginal 1986 US release, developed in 1984 but shelved for two years after Warner sold Atari's consumer division to Jack Tramiel, who prioritized the Atari ST launch.

Upgrade paths

other

Full Atari 2600 cartridge compatibility built in (no adapter needed) · The 7800 includes a 2600-compatible mode at the hardware level, one of the few consoles of its era with native backward compatibility rather than a bolt-on adapter.

~$0

EASY

storage

Homebrew and flash cartridges (e.g. AtariMax, Concerto) using EEPROM or SD-based carts · Active homebrew scene still produces new MARIA-chip games and flash carts decades after discontinuation.

~$40-$100 depending on cart

MODERATE