I studiedSummer 2020version, the videos can be watched on the course homepage, Discussions are public, and there are video solutions.
The 2015 version's homework is public, but has no answers and is not recommended for study.
Logisim Debug Tip
Project 3 requires you to write a CPU
In Logisim, click a pin and you can change the numeral system in the property panel at the bottom left, making debugging more convenient
My Project 3 implementation
Then use the RISC-V plugin for VS Code, authored by hm — it is more convenient than the course's official web simulator and JAR, highly recommended.
After Run and Debug, a new Terminal will pop up; click bash to switch to the original Terminal
During debugging, hover the mouse over a variable to view its value