Altirra

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Altirra is a full cycle-exact emulation of all documented hardware features for the Atari 400/800, 1200XL, 600/800XL, 130XE, XEGS, and 5200 systems and is particularly notable for having a very well equipped debugger tool.

Last Stable Release:

3.2

Dated:

23-06-2019

Windows: XP SP3+ for x86/x64

                  Qualcomm Snapdragon 835+ for ARM64

Atari800

AccuracyAccuracy
PerformancePerformance
FeaturesFeatures

Atari800 is the emulator of Atari 8-bit computer systems (400, 800, 600 XL, 800XL, 130XE, 5200) and 5200 game console for Unix, Linux, Amiga, MS-DOS, Atari TT/Falcon, MS-Windows, MS WinCE, Sega Dreamcast, Android and other systems supported by the SDL library. It features Cycle-exact 6502 emulation (all unofficial instructions), Cycle-exact NMI interrupts, scanline-based POKEY interrupts, Cycle-exact ANTIC and GTIA emulation (all display modes) and much more. 

Last Stable Release:

4.2

Dated:

02-01-2020

Windows: Nothing reported

GNU/Linux: 11 Debian platforms supported 

Mac: Nothing reported

Kat5200

AccuracyAccuracy
PerformancePerformance
FeaturesFeatures

kat5200 is an emulator for the Atari 5200 and 8-bit computers (800/XL/XE).

Last Stable Release:

0.8.1

Dated:

03-01-2018