This is a fork of the Theme Engine for MARS (MIPS Assembler and Runtime Simulator).
This fork aims to make MARS have a modern UI, making it more usable for students and teachers. The project is currently in a very early stage, and is not ready for production or education use. If you are looking for a stable version of MARS, please use the original project.
Go to Releases. You'll see Mars.jar and MarsDarkTheme.reg. Download them and run Mars.jar. If you are using Windows, you can double click MarsDarkTheme.reg to apply the dark theme before you run jar.
This project is not affiliated with Missouri State University. The original project is hosted at https://courses.missouristate.edu/KenVollmar/mars/. Please use the original project if you are looking for a stable version of MARS.
Also, as reg files will change your registry, you should be careful before you run MarsDarkTheme.reg. Before merging it into your Windows, you should right click it and select "Edit". All keys in the file should be under [HKEY_CURRENT_USER\Software\JavaSoft\Prefs\mars]. If you see something else, please do not run the file. Otherwise, you can safely run it.
这是 Theme Engine for MARS (MIPS Assembler and Runtime Simulator) 的一个复刻。
这个复刻致力于让 MARS 拥有现代化的 UI,使它对学生和老师更加易用。它目前处于早期测试阶段,不保证用于生产、学习环境的稳定性。如果你正在寻找稳定的 MARS 版本,请使用原项目。
前往 Releases。你会看到 Mars.jar 和 MarsDarkTheme.reg。下载它们并运行 Mars.jar。如果你使用的是 Windows,你可以在运行 jar 之前双击 MarsDarkTheme.reg 来应用暗色主题。
这个项目并非密苏里州立大学的官方版本。原项目托管在 https://courses.missouristate.edu/KenVollmar/mars/ 。如果你需要稳定的 MARS 版本,请使用原项目。
此外,由于 reg 文件会更改你的注册表,所以你应该小心地运行 MarsDarkTheme.reg。如果你对它的安全性有所担心,在将它合并到你的 Windows 之前,你应该右键单击它并选择“编辑”。文件中的所有键都应该在 [HKEY_CURRENT_USER\Software\JavaSoft\Prefs\mars] 下。如果你看到了其他东西,请不要运行这个文件。否则,你可以安全地运行它。
This repository contains a modified, themeable version of MARS. You can see features included below, alongside with some screenshots.
MARS Theme Engine has been tested on:
- Windows 10 Version 10.0.19041 Build 19041
- Ubuntu 20.04.1 LTS
- Arch Linux 2020-09-01
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Added a modern looking Look and Feel,
FlatLaf.

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Lots of themes to choose from! 😄
and many more!!
You have the option to:
- Wait until this unofficial version gets added to the official version, no promises.
- Download it by downloading the "Mars4_5_1_1Unofficial.jar" file from the repository
- Download it clicking here





