Side by side
jsc64 vs Viciious
Both stand on commodore 64 emulators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Choose jsc64 if you want a free Commodore 64 emulator that can be embedded in a web page and controlled with the keyboard. Developers should account for its proof of concept status and the maker’s note that its rendering and JavaScript engine are less efficient than Flash Player.
Visit jsc64 Free plan LinuxWeb
Viciious provides several tools for exploring a PAL Commodore 64 in a browser or terminal. It is not a complete emulator, and its compatibility and mobile interface have stated limits.
Visit ViciiousThe facts
| jsc64 | Viciious | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Linux, Web |
| Lowest paid plan | Not published | Not published |
| Plans published | None | None |
| Maker | Not published | Not published |
| Website | github.com | luxocrates.github.io |
| On commodore 64 emulators | #19 of 31 | #23 of 31 |
jsc64: what it does well
- Free software under GNU General Public License version 2
- Runs in modern Firefox, Chrome, and Safari
- Supports loading .prg files through loadPrg
- Can route keyboard input to separate instances
- Project demo lists six ROMs
What to know first
- The maker describes the emulator as a proof of concept
- Canvas and JavaScript are described as less efficient than Flash Player
- Loading .prg files is subject to browser cross-domain policy
Viciious: what it does well
- Runs as a self-contained browser HTML file.
- Includes BASIC and a half-assembler.
- Real-time scopes visualize machine activity.
- Accepts five browser file formats by drag and drop.
What to know first
- Emulation is not cycle-accurate.
- It does not emulate a disk drive.
- Compatibility is incomplete due to limitations and bugs.
- The interface is unsuitable for mobile use.
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