This is version 4.0 of a7800.
Whats new in this release:
- Implementation of XM control registers updated.
- SALLY (CPU) and MARIA (Graphics chip) performance adjustments.
- Additional display options and enhancements.
- Audio indication of no ROM loaded silenced.
- corrected ST and Amiga mouse button behavior.
- 7800 bios files made optional. (with warning when absent)
- minor POKEY audio emulation improvements.
- framerate update to 50Hz/60Hz.
For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.