In this repository are collected ZIP files containing listings from programming tutorials I wrote and published roughly between 1980 and 2001.

Apple 1 monitor rewritten for Motorola 6800 microprocessor

Utility to manipulate Apple SOS and ProDOS disk image files

IEEE-488 (GP-IB, HP-IB) synthesizable core in VHDL

6502 disassembler

A simple virtual banked memory 6502 emulated platform for FUZIX debug

"One Man Unix", archive of the Unix clone written (before Linus !) by the late Dr Steve Hosgood, and extended by Terry Barnaby

This is a clone of an SVN repository at http://svn.code.sf.net/p/sdcc/code/trunk. It had been cloned by http://svn2github.com/ , but the service was since closed. Please read a closing note on my b…

The uBASIC interpreter

FuzixOS: Because Small Is Beautiful

A collection of emulators mostly of retrobrew style systems

RAMless monitor for Z80

Compute the skew angle of a scanned text document using Hough transform

WD1000 hard disk controller firmware reverse-engineered source code

A multi-purpose tool for manipulating .woz disk images

Infocom ZIP, EZIP, XZIP interpreters for Apple II, partially reverse-engineered

SB-Assembler Version 3 - Cross Macro Assembler

Open Source Soldering Iron firmware

Most commonly used git tips and tricks.

What happens behind the scenes when we type www.google.com in a browser?

📚 Freely available programming books

U8glib library for monochrome displays, version 2

Wortuhr basierend auf ESP-12F incl. Firmware, PCB und Hardware-Beschreibung

Make-athon von OpenPhotonic, November 2020

Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi!

simavr is a lean, mean and hackable AVR simulator for linux & OSX

ESP8266 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

Super simple laser cut door stopper