3.90 test-22 / 02-01-2020
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.
Windows: XP SP3+ for x86/x64
Qualcomm Snapdragon 835+ for ARM64
Check here for beta progress discussions..!