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Home/Commodore 64 Emulators/Z64K

Z64K

Z64K is ranked #8 of 30 in Commodore 64 emulators on The Geeks Club. It runs on Linux, macOS, Windows.

Compared on Commodore 64 emulators

Free plan
Yes
Supported platforms
Windows, macOS and Linux via Java runtime
Disk and tape formats
D64, D71, G64, G71, IMD and CRT
Built-in debugger
Yes
Emulated C64 variants
Commodore 64

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z64k.com
The Z64K homepage
Z64K
Emulated systems
Z64K describes pixel exact emulation of the Commodore 128, Commodore 64, Spectrum 48/128K, VIC 20, and Atari 2600.
Runtime
The site says Z64K should run on any platform with an updated Java runtime environment and requires JRE 8 or better.
Download
The homepage lists Z64K.jar and companion command-line, changelog, and quick-guide files for download.
C128 controls
The emulator supports C128-specific keyboard shortcuts, including toggling its second display and switching 40/80 display mode.
SID Analyzer
The changelog says version 2 added a SID Analyzer with waveform, envelope, oscillator, and combined display modes.
Disk image support
The changelog documents support for loading and saving G71 images, including saving MFM tracks, and support for loading IMD images.
Virtual filesystem limit
The changelog says the Virtual FS scratch command simulates deletion but does not currently delete files from the host file system.
Experimental feature
The changelog describes the Virtual FS device as experimental and still a work in progress.
Support
The homepage invites users to contact the maker with feedback or questions via its contact page.
Recent changelog entry
The homepage changelog lists a C128 VICIIe IRQ flag fix dated 14 April 2025.
Purpose
Z64K describes itself as providing pixel exact emulation of the Commodore 128, Commodore 64, Spectrum 48/128K, VIC 20, and Atari 2600.
Platform compatibility
The maker says Z64K should run on any platform with an updated Java runtime environment installed.
Linux setup
Linux users might need to change the Z64K.jar file permissions to allow execution.
Keyboard controls
Listed shortcuts include fullscreen, clipboard text copy and paste, reset, mouse capture, and warp mode.
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Where it ranks on The Geeks Club

  • Best Commodore 64 Emulators in 2026#8 of 30

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Sources

  • z64k.com· checked 3 Oct 2026
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