Welcome to my random (retro)tech site

This board is a hardware PC emulator that fits inside the expansion trapdoor of an Amiga 500 and allows the Amiga to run PC software from the same era (MS-DOS). Since this device stems from the time when the term "PC" always meant "IBM compatible"...

When I was a student I bought a  TI-68 calculator, which has served me well for all these years. Unfortunately it has become unreliable of late so I decided to find me a replacement to use at work. While the hexadecimal and binary support on the...

Initially while working on my article about the Multi-Evolution SCSI controller for the Amiga 500 I had bought a very cheap 2nd hand SCSI hard drive on E-bay. The drive did not have the correct connector for use with the Multi-Evolution, but...

The Amiga 500 has two expansions slots, one in the bottom of the machine - also known as the "trapdoor" - and one on the left hand side of the machine. The slot behind the trapdoor is the one that most Amiga 500 owners will be familiar with; it is...

Paperback now available on  Amazon . The second book in my "Amiga Programming" series has just been published. Where my previous book concentrated mainly on using the functionality provided by AmigaOS, this book is about programming the hardware...

In a previous post I wrote about the Indivision AGA MK3 and how it allowed me to use my old Amiga 1200 with a modern flat panel monitor. The post described the image quality produced but was lacking on details on how the Indivision was actually...