EmuCR: A7800A7800 v188-03 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 v188-03 changelog:
Unzip the provided file to a folder, such as C:A7800.
Create a BIOS folder for the a7800.zip (NTSC) or a7800p.zip (PAL) BIOS ROMs, such as C:A7800bios.
Create a ROMS folder to contain A78 game ROMs, such as C:A7800roms.

Download: A7800 v188-03
Source:Here