Z64K (2026/06/25) 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:
New gamepad implementation using jamepad!
Support for more than 1 game device which can be hot connected/disconnected during runtime.
The start button on the primary game device can be used to swap ports that the game devices will be mapped to.
If a game device is disconnected or not detected, the emulation will use the default keyboard mapping selected in the settings menu for the joystick emulation.

Download: Z64 (2026/06/25)
Source:Here