Side by side

Íris Emulator vs Test7800

Both stand on atari emulators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Íris Emulator

Free plan Windows

Íris Emulator combines three Atari cores with configurable controls, save states, and Jaguar display options on supported Windows systems. Check the graphics requirement, missing ROMs and BIOS, and Jaguar CD limitation before using it.

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Test7800

Free plan LinuxMacWeb+1

Choose Test7800 if you want a free Atari 7800 emulator with support for several ROM and cartridge types, flexible controls, and four-player QuadTari mode. Look elsewhere if you need complete hardware coverage or a feature-rich debugger for ROM development.

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The facts

	Íris Emulator	Test7800
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Windows	Linux, Mac, Web, Windows
Lowest paid plan	Not published	Not published
Plans published	None	None
Maker	Not published	Not published
Website	github.com	github.com
On atari emulators	#20 of 25	#16 of 25

Íris Emulator: what it does well

Supports Atari 2600, Lynx, and Jaguar systems
Remappable keyboard and gamepad controls
Ten save-state slots
Jaguar upscaling up to 1080p
Open-source and free

What to know first

Linux is not officially supported
macOS is unsupported
Jaguar CD titles do not work
ROMs and BIOS files are not included

Test7800: what it does well

Runs .a78 and several bankswitching SuperGame ROMs.
Emulates ELF cartridges with an embedded ARM chip.
Accepts keyboard, gamepad, and mouse input.
QuadTari mode supports up to four joystick players.
Available on Linux, macOS, Windows, and the web.

What to know first

The project is incomplete and lacks important features.
Some conglomerate cartridge hardware configurations are unsupported.
The basic command-line debugger lacks many features.
Performance was not a design focus.

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