8085 Microprocessor Simulator

8085 Microprocessor Simulator is an open-source simulator for the Intel 8085 microprocessor. It provides an interface to write, assemble, and execute 8085 assembly programs while observing the complete state of the processor including registers, memory, flags, and I/O ports.

Prerequisites

You need the following tools installed on your system:

• Python 3.12 or later
• Node.js 22 or later (includes npm)
• Rust 1.70 or later (includes Cargo) — for more info visit rust-lang.org
• Git

System Dependencies

Linux (Debian/Ubuntu)

sudo apt update
sudo apt install libwebkit2gtk-4.1-dev build-essential curl wget file \
  libssl-dev libgtk-3-dev libayatana-appindicator3-dev librsvg2-dev

Linux (Arch)

sudo pacman -S webkit2gtk-4.1 base-devel curl wget file openssl gtk3 \
  libappindicator-gtk3 librsvg

macOS

Install Xcode Command Line Tools:

xcode-select --install

Windows

Install Microsoft Visual Studio C++ Build Tools. When installing, select Desktop development with C++.

Development

Quick Setup

git clone https://github.com/girisakar365/8085-Microprocessor.git
cd 8085-Microprocessor

# Linux/macOS
chmod +x Scripts/dev.sh
./Scripts/dev.sh

# Windows
.\Scripts\dev.bat

Manual Setup

1. Clone the repository

   git clone https://github.com/girisakar365/8085-Microprocessor.git
   cd 8085-Microprocessor

2. Setup Backend

   python3 -m venv .venv
   source .venv/bin/activate    # Windows: .venv\Scripts\activate
   pip install -r requirements.txt
   cd ..

3. Setup Frontend

   npm ci

Running

python -m Server
npm run tauri dev

For web-only development (without Tauri):

npm run dev

Build

npm run tauri build

Dev Containers

This repository includes a Dev Container configuration for Visual Studio Code. This provides a consistent development environment with all dependencies pre-installed.

To use:

1. Install the Dev Containers extension
2. Open the repository in VS Code
3. Click "Reopen in Container" when prompted (or run Dev Containers: Reopen in Container from the command palette)

The container will automatically run the setup script on creation.

Contributing

See CONTRIBUTING.md for guidelines on how to contribute to this project.

Code of Conduct

This project has adopted a Code of Conduct. Please read it before participating.

License

This project is licensed under a Non-Commercial License. See LICENSE.md for details.

Last Updated: November 2025