Emulating systems with QEMU
Here’s how I boot other systems using virtual machines in QEMU
Make typing faster with the Keebio BDN9 macro pad
My brother recently gave me a Keebio BDN9 macro pad. It’s a configurable 9-key keyboard that supports all kinds of customizations, including little keycaps that...
Code like it’s the 1980s
Our computers are so powerful today that it’s hard for younger developers to understand what early desktop computing was like. Even more experienced folks can...
Draw in color using Portable Pix Maps
Create colorful images using the Portable Pix Map format.
Grayscale images with Portable Gray Maps
Learn to write grayscale images using the Portable Gray Map format.
Write tiny images using PBM
The Portable Bit Map (“PBM”) image file format was invented in the 1980s as a way to transmit small black and white images as plain...
Get started with FreeDOS 1.4
A lot has happened in DOS since FreeDOS 1.3. Here’s what to expect in FreeDOS 1.4, available now.
Moving from Windows 10 to Linux
Instead of purchasing a new computer just to run a new version of Windows, consider installing Linux.
Connect to a Windows drive from Linux
Here’s how I connected my Linux system to a Windows AD fileshare.
Reading a whole file at once
Two methods to load a data file into memory. Use mmap on Linux sysetms.
Old-school programming with Turbo C
Explore retroprogramming on FreeDOS with this popular freeware IDE.
Update Linux from the command line
Be a power user by updating your system from the command line.
Calculate pi by counting pixels
This is a very simple way to measure pi, but it was a fun exercise and I wanted to share it.
Don’t skip the learning process
Using AI as a tool to do a thing still relies on knowing how to do the thing yourself.
Using AI to translate code
I was impressed that AI did so well translating from an old language like FORTRAN 77 into a more modern language like C.
Cautions when using AI for coding
While AI agents can help streamline development, keep in mind these cautions when using AI for coding.