Z64K Beta (2018/08/22) is released. Pixel exact emulation of the Commodore 64, VIC 20 and Atari 2600 written entirely in Java. The emulators should run on any platform with an updated java runtime environment installed.

Z64K Changelog:
Fix small bug with Sprite Y flipflop behaviour introduced 21 May 2018. Title Needed - timer at bottom of screen no longer flickers.
Some 8580 filter updates

Download: Z64 Beta (2018/08/22)
Source:Here