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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

7800 ProSystemCX78001986 launch model, Atari 2600 backward compatible

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