Altirra 2.3 Test 5 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 2.3 Test 5 Changelog:

features added: Debugger: Added brief (-b) format to .sio command. bugs fixed: Debugger: e (enter) now follows normal expression evaluation rules. POKEY: Fixed timers 3+4 occasionally not being shut off when switching to asynchronous receive mode. Serial: SIO emulation level setting is now saved correctly.

Download: Altirra 2.3 Test 5
Source: Here