8-Bit Computer Project

Welcome to my 8-bit computer project, a journey into the world of computer architecture using Logisim. This project began two years ago, inspired by the incredible insights shared by Ben Eater, a renowned computing YouTuber. His detailed explanations of how computers work at a fundamental level sparked my curiosity and motivated me to create my first version of this project.

Now, I am revisiting the project to improve it, document every step, and share it with the community. This time, I aim to provide a more comprehensive understanding of the design process and showcase the power of digital logic simulation tools.

Demo Video of 8 bit computer perfoming the following instruction

00 load A, 1 | Machine Instruction: (0001)
01 Add 1 | Machine Instruction: (0010)
02 Out A | Machine Instruction: (0011)
03 Jump 01 | Machine Instruction: (0100)

simplescreenrecorder-2025-01-26_13.00.44.mp4

Acknowledgments

A heartfelt thanks to Ben Eater, whose content has been an invaluable resource. His passion for teaching complex concepts with simplicity and clarity has had a profound impact on me. If you’re interested in learning about computer architecture, I highly recommend checking out his YouTube channel.

Project Objectives

Revisit and Enhance: Build upon my original design, refining the logic and adding enhancements where necessary.
Document and Share: Thoroughly document each component and the overall architecture to make the project accessible to others.
Community Contribution: Provide a resource for those interested in learning about 8-bit computer design through Logisim.

Features

Central Processing Unit (CPU): Simulates the core logic for executing instructions.
Arithmetic Logic Unit (ALU): Handles basic arithmetic and logical operations.
Registers: Temporary storage for instructions and data.
Memory Module: Stores programs and data for the computer to process.
Control Logic: Coordinates the flow of data and execution of instructions.

Getting Started

Prerequisites

Download and install Logisim-evolution on your system.
Ensure you have Java 11 or higher installed.

Running the Project

Clone this repository:

git clone https://github.com/Godvein/8-bit-computer.git
cd 8-bit-computer

License

Godvein/8-bit-computer

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