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Core info
License GPLv2
Extensions a78, bin

ProSystem is an Atari 7800 video game system emulator that can be used as a libretro core.


ProSystem is an emulator that will allow you to play Atari 7800 video games on your PC.

Feature Support

These are libretro features, not frontend or standalone emulator features.

Saves Save states Rewind Netplay Cheats Controllers API Rumble Sensors Camera Location Subsystem API


ProSystem optionally supports using the following BIOS image file for operation:

  • 7800 BIOS (U).rom (Atari 7800 BIOS)


This core does not feature core options.


The ProSystem core supports one controller setting:

  • Atari 7800 Joypad: Atari 7800 Controller
RetroPad Atari 7800 Joypad
Retro Dpad.png
Retro Y Round.png
Retro X Round.png
Retro B Round.png
Retro A Round.png
Retro L1.png
Retro R1.png
Retro R2.png
Retro R2.png
Retro Left Stick.png
Retro Right Stick.png
Retro L3.png
Retro R3.png
Retro Select.png
Retro Start.png

Compatibility List/General Issues

Main article: [1]

External Links