25方向のマウス追従と口パクに対応したトマリ用ブラウザアバター

Open-Source Frontier Voice AI

i8080 precise replica in Verilog, based on reverse engineering of real die

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

FPGA based PDP-11 cpu

Soft-FPGA: Verilog RTL → Verilator → Emscripten → browser. Real-time visualization of internal signals (T-states, bus cycles, FSM) that no instruction emulator can show.

Arcade: Atari Pong (1972) for MiSTer

An evolving how-to guide for securing a Linux server.

Transcription of Tim Paterson's DOS printouts.

Reversi UART Protocol (RUP) — UART text protocol for connecting custom CPUs (FPGA/MCU) to PC

Pure Othello accelerator in Verilog, run via Verilator on Raspberry Pi Pico 2

Model Context Protocol Servers

Web base 3D MMO

[Archived → Soft-FPGA-Reversi] WIP attempt with TD16 CPU

Docker base SDK for Raspberry Pi Pico

A tiny shell for Pico and Pico2, with file system, Vi and C compiler

IceChips is a library of all common discrete logic devices in Verilog

Verilog Verilator implementation of 4-bit TD4 CPU for Raspberry Pi Pico 2.

Tokken Warikomi 4bitcpu

simple 4-BIT CPU with 74-serials chip，origin by Kaoru Tonami in his book “How to build a CPU”

4bit CPU emulator

Porting TD4 (Toriaezu Dousasurudakeno 4bit-CPU) to CPLD

Open Logic FPGA Standard Library

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

implementation of 4bit CPU TD4 written with verilog

Verilator open-source SystemVerilog simulator and lint system

Simulating Verilog designs on a microcontroller

A tool to visualize differences of two PCB patterns created by KiCad

Use your Rasperry Pi Pico and Android Phone as an Oscilloscope and Logic Analyzer