Z64K (2019/02/04) 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:
4 February
Fix C1581 LED behaviour
Uploaded correct branch of Z64K. Earlier version has some disk issues resulting from bug in CIA Port A mask.
Fixed bug introduced into SID waveform generator on 15 August 2018. Samples in the last V8 playcorrectly again.

Download: Z64 (2019/02/04)
Source:Here