Z64K Beta (2018/09/02) 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:
* Fixed certain keys pressedon keyboard that should trigger VDC and VICII light pen.
* VDC lightpen Implemented.
* Return correct values of unused bits when reading VDC register
* Set correct display of VDCcursor depending if bottom scan line of cursor is greater than, equal to, or less than top scan line of cursor

Download: Z64 Beta (2018/09/02)
Source:Here