XtoF's Lair

This article compares the performance of a Macbook Pro running on an Apple Silicon M2 Pro against a PC Desktop running on an AMD Ryzen 3950X. Application tests are done using Adobe Lightroom and Photoshop, and a voluminous code base is compiled.

Windows 3 is often said to be just an UI on top of DOS. This article presents some of the inner side of Windows 3.x and will show that it is more ambitious and advanced than that.

When developing a homebrew for an old computer or console, it is important to regularly test it on the real machine. Why? Because emulators are often not 100% accurate and you can miss important bugs.

Techniques for timing on the IBM PC family under MS-DOS, and many related subjects. Sample functions and programs are included. This article is a repost of a piece by Kris Heidenstrom from the mid-90s.

A presentation of the 3D short movies I produced on PC more than twenty years ago, using 3D Studio on MS-DOS then 3DS Max on Windows NT. What was it like to model and raytrace during those early days? The videos can be watched in all their glory from the...

Amiga computers were renown for their graphical capacities. But they do not represent images in memory as modern computer do. Is it possible to load a modern image on an Amiga 500? This post explores some low-level aspects of Amiga graphics and present some conversion applications.

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.