A7800 v5.2 is released. A7800 is a fork of the MAME Atari 7800 driver, with several enhancements added. Support for emulation of Proline Joysticks, VCS Joysticks, Lightguns, Paddles, Driving Controllers, Keypads, Trak-Balls, Amiga Mice, and ST Mice.

A7800 v5.2 changelog:
pokey poly9 sequence correction
pokey init state corrected to match real hardware

Download: A7800 v5.2
Source:Here