Author Archives: Scali

What is software development? An art? Craft? Trade? Occupation?… Part 2

Software Engineering seemed like a good idea at the time, and the analogy was further extended to Software Architecture around the 1990s, by first designing a high-level abstraction of the complex system, trying to reduce the complexity and risks, and … Continue reading

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Putting the things together, part 2: MIDI and other problems

Remember a few months ago, when I explained my approach to playing VGM files? Well, VGM files are remarkably similar to Standard MIDI files. In a way, MIDI files are also just time-stamped captures of data sent to a sound … Continue reading

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What is software development? An art? Craft? Trade? Occupation?… Part 1

From very early on, I noticed that although some of my friends in school had computers as well, they didn’t all use them for the same things. Some just liked to game on them. Others also liked to do their … Continue reading

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What makes the PCjr cool, and what makes it uncool?

The IBM PCjr was a huge flop in the marketplace. As such, it has only been in production for about 14 months, and never even reached my part of the world. When I grew up, I had a vague notion … Continue reading

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More PC(jr) incompatibilities!

The race for PC-compatibility Since the mid-80s, there have been many clones of the original IBM PC. IBM themselves also made new-and-improved versions of the PC, aiming for backward-compatibility. DOS itself was more or less a clone of CP/M, and … Continue reading

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The Covox years

I have covered various early sound solutions from the DOS/8088 era recently, including AdLib, Sound Blaster, PCjr/Tandy’s SN76489 chip, and the trusty old PC speaker itself. One device that has yet to be mentioned however, is the Covox Speech Thing. … Continue reading

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Scali on Agile Development

I recently wrote The Pessimist Pamphlet. I said there: I agreed with most of the Agile principles and the underlying reasoning ‘Most of’? So not everything? Well, perhaps I should clarify this. So let’s first walk down the 4 main … Continue reading

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