Altirra 2.6 Test 19 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 2.6 Test 19 Changelog:
features added
- Disk: ATX, PRO, DCM, and XFD disk images can now be written.
- UI: Full screen mode state is now saved on exit

Download: Altirra 2.6 Test 19
Source: Here