Tag Archives: PC DOS

Cartridges for the IBM PC

Posted on May 29, 2023 by Scali

Cartridges? For the IBM PC? There’s no such thing! Well, there kinda is… The IBM PCjr has two cartridge slots. Now, one may argue about whether the PCjr is actually an IBM PC compatible or not, but let’s look at … Continue reading →

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The DOS SDK

Posted on February 1, 2023 by Scali

A thing I have been working on, on and off, for many years now, is a set of headers and helper routines for programming DOS machines directly on the hardware in assembly and C. As you may recall, my earliest … Continue reading →

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A great upgrade for the PCjr: the jr-IDE

Posted on January 14, 2023 by Scali

Adding a hard drive to a PC was a reasonably standard upgrade even in the 80s. And in today’s world of retro-computing, we have the XT-IDE card, which adds proper IDE support to old PCs. Which also allows you to … Continue reading →

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When is a PC not a PC? The PC-98

Posted on January 7, 2023 by Scali

I’ve covered PC compatibility in the past, and tried to explain how just having an x86 CPU and running DOS does not necessarily make your machine compatible with an IBM PC. At the time, this was mainly about the IBM … Continue reading →

Posted in Oldskool/retro programming, Software development | Tagged , , , , , , , , , , | 6 Comments