bunbun·Oct 28.bat file to search filenames recursively within a directory and its subdirectories.@echo off setlocal EnableExtensions DisableDelayedExpansion
InLevel Up CodingbyEnzo Lombardi·Sep 22The PC Speaker Was the First Sound CardSqueezing the soul out of a square pulseA response icon10A response icon10
InLevel Up CodingbyEnzo Lombardi·Sep 15Your PC Is Now StonedTwo boot sector viruses from the late 1980s, read the way their authors wrote them: in a single 512-byte sectorA response icon6A response icon6
InLevel Up CodingbyEnzo Lombardi·Sep 10C:\ONGRTLNS.W95How a file system written for 160 KB floppies survived twenty years, and how Windows 95 taught it to spellA response icon3A response icon3
InLevel Up CodingbyEnzo Lombardi·Sep 1The DOS Extender EraHow malloc Learned to Return a Real PointerA response icon7A response icon7
Nabil Mir·Aug 20Network Printing from MS-DOS in 2026Hewlett Packard (HP) built a reputation in the 1980s and 1990s for making bulletproof printers. Many of these printers went on to print…
Ricarditomontserrat·Mar 12Making an OS from scratchBuilding a legacy x86 operating system with a VGA 80x25 display from the ground up
Trevor Woollacott·Nov 2, 2025Mode X: The VGA’s Hidden ModeThis blog is a follow up to my previous blog on VGA programming…
Trevor Woollacott·Oct 25, 2025How Old Games Talked to Hardware: VGA Mode 13hI’ve been fascinated by this stuff since I first booted up MS-DOS and thought “wait, how did they actually do this?” I made many of my own…
Franco Pasut·Oct 24, 2025Four text commands in GNU/Linux, MS Windows, and, with a bit of nostalgia, MS-DOS.1. Does it still make sense to perform operations via the command line?
