https://github.com/funnyboy-roks/greg

A virtual machine and debugger for the MIPS32 architecture.
https://github.com/funnyboy-roks/greg

emulator mips mips32 ratatui rust virtual-machine vm

Last synced: about 1 year ago
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A virtual machine and debugger for the MIPS32 architecture.

• Host: GitHub
• URL: https://github.com/funnyboy-roks/greg
• Owner: funnyboy-roks
• Created: 2025-01-17T19:37:42.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2025-02-03T03:25:54.000Z (over 1 year ago)
• Last Synced: 2025-02-03T04:19:28.462Z (over 1 year ago)
• Topics: emulator, mips, mips32, ratatui, rust, virtual-machine, vm
• Language: Rust
• Homepage:
• Size: 4.37 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

          
# Greg

A virtual machine and debugger for the MIPS32 architecture. 

## TUI

Greg offers a (nearly) fully-featured TUI that may be opened with the

`--tui` flag:

![GIF of TUI](./img/usage.gif)

## References

- [MIPS Encoding Reference](https://student.cs.uwaterloo.ca/~isg/res/mips/opcodes) - Great opcode reference, gives roughly C-equivalents for each opcode

- [OSDev MIPS overview](https://wiki.osdev.org/MIPS_Overview#Instruction_fields)

- [MIPS Instruction Formats](https://en.wikibooks.org/wiki/MIPS_Assembly/Instruction_Formats#I_Instructions)

- [MARS Syscall Documentation](https://dpetersanderson.github.io/Help/SyscallHelp.html)

- [MIPS32™ Architecture For Programmers Volume II: The MIPS32™ Instruction Set](https://www.cs.cornell.edu/courses/cs3410/2014sp/MIPS_Vol2.pdf)