🧠 RISC-V Web Emulator

A lightweight RISC-V assembly emulator built with C++ (Emscripten) and a modern HTML/JavaScript frontend — runs entirely in your browser.
Created by Darrel Wihandi (Software Engineering @ University of Waterloo).

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🚀 Live Demo

🔗 Open Emulator on Vercel
(Runs natively in your browser — no installation required.)

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✨ Features

• Step-by-step or continuous execution
  • Inspect registers, memory, and PC updates in real-time.
• Visual memory inspector
  • Highlights memory writes (byte, half, word) and detects misalignment.
• Full RV32I base instruction set coverage, including:
  • Arithmetic, logic, branches, jumps, loads/stores, immediate ops, and system ECALL.
  • Newly added unsigned comparisons, upper immediate, and PC-relative instructions.

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🧩 Quick Start Example

Paste this into the Program Input box:

ADDI x1, x0, 5
ADDI x2, x0, 10
JAL x5, sum_func
SW x3, 3(x1)
ECALL

sum_func:
  ADD x3, x1, x2
  JALR x0, 0(x5)