The ARM processor (Thumb-2), part 5: Arithmetic

Raymond Chen June 4, 2021 Jun 4, 2021 06/4/21

Starting with basic mathematics.

The ARM processor (Thumb-2), part 4: Single-instruction constants

Raymond Chen June 3, 2021 Jun 3, 2021 06/3/21

Flaunt your barrel shifter if you've got it.

The ARM processor (Thumb-2), part 3: Addressing modes

Raymond Chen June 2, 2021 Jun 2, 2021 06/2/21

It's a load-store architecture, but with rather fancy loads and stores.

The ARM processor (Thumb-2), part 2: Differences between classic ARM and Thumb-2

Raymond Chen June 1, 2021 Jun 1, 2021 06/1/21

Squeezing into a 16-bit instruction size.

The ARM processor (Thumb-2), part 1: Introduction

Raymond Chen May 31, 2021 May 31, 2021 05/31/21

Moving into the present.

Why are device-independent bitmaps upside down?

Raymond Chen May 25, 2021 May 25, 2021 05/25/21

Well, it depends on what you consider to be right-side up.

What are the page sizes used by Windows on various processors?

Raymond Chen May 10, 2021 May 10, 2021 05/10/21

Usually there was no choice, but sometimes there was.

Lost Windows feature: The Horizon

Raymond Chen December 15, 2020 Dec 15, 2020 12/15/20

Unlike the real horizon, this one is up close.

How did Windows open a portal to another dimension when reporting a program error?

Raymond Chen December 8, 2020 Dec 8, 2020 12/8/20

A momentary tear in the space-time continuum.