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SPECIFICTION
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JS7800

raz0red.github.io

Web
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Spec score 6.7 #20 of 25 in Atari Emulators

Spec sheet

Purpose
JS7800 is an enhanced JavaScript port of the ProSystem Atari 7800 emulator, originally developed by Greg Stanton.Read 5 Oct 2026 · github.com
License
The repository identifies the project license as GPL-2.0.Read 5 Oct 2026 · github.com
Browser requirements
JS7800 requires an up-to-date modern browser such as Chrome, Firefox, or Safari and a capable system for smooth operation.Read 5 Oct 2026 · github.com
Cartridge loading
Users can drag and drop local files or remote file links, and the emulator supports cartridge lists.Read 5 Oct 2026 · github.com
Cartridge support
It includes enhanced bank switching and cartridge detection.Read 5 Oct 2026 · github.com
Controls
It supports customizable keyboard mappings and gamepads, including dual-analog controls for Robotron-style games.Read 5 Oct 2026 · github.com
Display
It supports fullscreen, multiple aspect ratios, and enabling or disabling video filters.Read 5 Oct 2026 · github.com
Documentation
Integrated documentation is available through the Help/Information button below the emulator screen.Read 5 Oct 2026 · github.com
Expansion hardware
It supports the Atari 7800 Expansion Module (XM), enhanced bank switching, and cartridge detection.Read 5 Oct 2026 · github.com
Expansion Module
The emulator supports the Atari 7800 Expansion Module (XM).Read 5 Oct 2026 · github.com
High scores
It supports global high score tracking for compatible games.Read 5 Oct 2026 · github.com
Light gun
It supports light gun input through a mouse.Read 5 Oct 2026 · github.com
Loading games
Users can load local files or remote file links by drag and drop, and use cartridge lists.Read 5 Oct 2026 · github.com
Mobile
The README lists mobile support as a future consideration and says it is partially available in webЯcade.Read 5 Oct 2026 · github.com
Mobile status
The README lists mobile support as a future consideration and says it is partially available in webЯcade.Read 5 Oct 2026 · github.com
Save states
The project README says save/load state support is available through webЯcade, and the 0.0.5 change log says save states are only accessible there.Read 5 Oct 2026 · github.com
Support limit
The README lists network-based multiplayer and paddle controller support as future considerations.Read 5 Oct 2026 · github.com
Support status
The README lists paddle controller support and network-based multiplayer as future considerations.Read 5 Oct 2026 · github.com

Where Specifiction places it

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