XtoF's Lair

I just migrated this blog from WordPress to Jekyll. What are the advantages of Jekyll? The migration process is detailed, step by step. It is not as difficult as we could imagine.

pyArchiver is a script dedicated to archiving huge volume of data into cold storage. But what is cold storage? How is an archive different from a backup?

An efficient random level generator running on the Apple II, with a modest 1MHz 6502 CPU, requires to carefully choose the algorithms and some programming tricks. This post details every step.

A photo gallery depicting the 2019 edition of the Retro Gaming Convention. Certainly one of the best retrogaming event in Europe.

How does an Apple II boot and run ProDOS, its OS? Everything is explained step by step, from the power-up to the loading of a program stored on mass storage.

Simulating a line of sight increases the sense of immersion and is a good addition to my Rogue-like game for the Apple II. Built around the Bresenham algorithm it is written in 6502 assembly language.

Writing a multiscrolling game on the Apple II would be next to impossible, due to the lack of dedicated hardware and the peculiarities of its HIRES graphics mode. But what about a tile engine that could be used for a RPG or any turn by turn game?