Altirra 2.6 Test 20 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 20 Changelog:
bugs fixed
- ATBasic: PUT now takes an aexpr instead of avar.
- CPU: Fixed spurious IRQs when interrupts are masked for more than 2^32 cycles.
- Disk: Rewrote ATX image parser to be more robust.
- Disk Explorer: Fixed directory parsing for double-density DOS 2 filesystems.

Download: Altirra 2.6 Test 20
Source: Here