Roll Your Own Python Debugger

Debugging might be the one thing that separates “modern” programming from “classic” programming. If you are on an old enough computer — or maybe one that has limited t…

Debug Your Senile Computers With The ROMulator

Some of you may have heard of the ROMulator, a device that can emulate RAM and ROM on 6502-based computers. But how does it work? How do you use it? What computers is it compatible with? [Jeff Tran…

A 6502 Overlay Debugger

Retired hardware engineer [Plasmode] recently took on the challenge of building a debugger for the 6502 designed to sit atop the microprocessor while seated in a solder less breadboard. The result …

A Usable Arduino Debugging Tool

For as popular as the Arduino platform is, it’s not without its problems. Among those is the fact that most practical debugging is often done by placing various print statements throughout th…

HP1973 Project Highlights Workings Of HP-45 Calculator

[Sarah K Marr] dabbles in retrocomputing and has a fascination with the Hewlett Packard HP-45 calculator, the second calculator in HP’s series introduced in 1973. Over a year ago, she wrote a…

ORBTrace Effort: Open Tool For Professional Debugging

There are some fairly powerful debugging facilities available on today’s microcontrollers — if your code crashes mysteriously, chances are, there’s a debugging interface that coul…

Linux Fu: Up Your GDB Game!

If you want to buy a car, there are plenty of choices. If you want to buy a jetliner, there are fewer choices. If you want to use the Large Hadron Collider, you have a choice of exactly one. The ha…

New more compact design of ARM-USB-OCD-H(L) is released with USB-C connector

ARM-USB-OCD-H is very popular OpenOCD debugger supported by almost all IDEs and platforms. It’s in the Application notes of Intel and ARM processor vendors. The ARM-USB-OCD-H initial design w…

Digging Into An ATtiny Simulator Bug With GDB

Being able to track down a bug in a mountain of source code is a skill in its own right, and it’s a hard skill to learn from a book or online tutorial. Besides the trial-by-fire of learning w…