Modular and configurable OS for embedded applications

Command-line cross-compiler of assembly language for Z80 CPU.

Adapting USB devices to work on old computers

Example of connecting USB Web camera to STM32F4 USB HOST

Information, photos, documentations, software, circuits, ROMs of Soviet home computers.

Floppy disk emulator for old computers and machines, Amiga, Atari ST, etc.

Библиотека для работы с датчиками DHT11/DHT22/AM2302/AM2301 на STM32

Scorpion ZS-256 Turbo+. Russian ZX Spectrum clone. Schematics and PCB.

A very simple game loop written in C & SDL

ZX Spectrum soundcard for NEMOBUS/ZXBUS

Easy-to-build minimalistic ZX Spectrum clone

Example Makefile project for the CH32V307

ZXKM

ZX BUS Kempston Mouse Controller

ZX_RGBI2VGA-HDMI GOTEK floppy drive emulator with FlashFloppy firmware I2C 40x4 OSD interface

Android source for external/android-clat

Alternate firmware for ZXKIT1 VGA scandoubler for ZX Spectrum

Leningrad-2. Russian ZX Spectrum clone. Schematics and PCB.

Multitasking OS for Scorpion ZS GMX (ZX Spectrum - compatible).

VT100 Terminal with TFT LCD

The zxspec48-app is an empty SDCC application template for ZX Spectrum 48K.

Memory Expansions and AY/TS

Navspark NS-T Beaglebone Black Cape adapter

ch32v307 USB High Speed Serial example