Altirra 2.4 Test 2 is released. Altirra is an Atari 8 bit Emulator on the Windows/DOS platform. Altirra emulates several models of the 8-bit Atari computers. This includes the the 800, 800XL, and 130XE versions. It has a lot of options, and compatibility is decent especially given the emulator's early stages. It also supports some copy protected games properly in emulation.

Altirra 2.4 Test 2 Changelog:
features added
Cartridge: Added support for .CAR types 53-59 (2K, 4K, right-as-left 8K, right slot 4K, 128-512K SIC!).

Download: Altirra 2.4 Test 2
Source: Here