Altirra 2.7 Test 9 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 2.7 Test 9 Changelog:
features added:
– Debugger: bx (break on expression) can now create tracepoints (-n).
– Display: Improved performance of D3D11 vsync code.

bugs fixed:
– Debugger: Fixed crash when canceling edit of watch expression.
– Disk: Data checksum errors during SIO bus transfers now result in a NAK instead of Error.
– HDevice: Fixed regression in NOTE/POINT commands.

Download: Altirra 2.7 Test 9
Source: Here