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Hi, I'm Iljitsch van Beijnum. These are all my posts that aren't work-related.

De HTM Avenio 5007 is de eerste in rood/wit in plaats van rood/zwart

Image link - posted 2022-04-23 in

6502, Z80, 8086, 68000: the four CPUs that dominated the 1980s

Although there were definitely other CPUs in use in the 1980s, the vast majority of microcomputers people had at home or at the office used either a MOS 6502 or one of its variants, a Zilog Z80, an early member of the Intel 8086 family, or a Motorola 68000. Let's have a look at those four CPUs.

Read the article - posted 2022-04-19

→ Star Trek Picard - No More Reviews, I'm Out

So I had an interesting revelation when it came to deciding on my next review, and the prospect of watching Picard Season 2 came up - I just don't care about this show anymore. I don't want to watch it, and I don't want to review it. And here's why.
Yeah, the last decade of "Star Trek" has nothing to do with what Star Trek has always been about the previous five decades. Now pour me another drink.

Permalink - posted 2022-04-15

Zuinig je huis verwarmen (1)

Het was natuurlijk nooit een slecht idee om energie te besparen, maar nu is het belangrijker dan ooit: de prijs van gas (en stroom) is hoger dan ooit, het IPCC laat weten dat nu actie nodig is om de opwarming van de aarde tot de nog behapbare anderhalve graad te beperken, en de afhankelijkheid van Russisch gas is met de dag ongemakkelijker.

Ik dacht, laat ik, bovenop de campagne van de overheid, ook een duit in het zakje doen over wat je kan doen om je huis zuinig te verwarmen, in een aantal delen. Vandaag over de inrichting van je CV-installatie.

Volledig artikel / permalink - geplaatst 2022-04-10

First impressions: THEA500 Mini

On friday, I received my preordered THEA500 Mini. This is smaller and modern version of the Commodore Amiga 500 computer from 1987. By the same company that makes a similar version of the Commodore 64.

After exploring the A500 Mini for a few days, I can't really make up my mind on whether I like it, or it's too limited. So here some first impressions, I'll probably do a more complete review later.

Full article / permalink - posted 2022-04-10

Making 8-bit computers load from "tape" super fast

Back in the early 1980s, kids such as myself had their first computing experiences with 8-bit home computers such as the ZX Spectrum and the Commodore 64. And the only way, or in Europe in those days, the only affordable way to load games and save/load your own programs was from cassette tape. And boy was that slow.

If we suddenly had a perfectly-reliable cassette tape, how fast could we possibly load data from it? This is a question I started pondering a while ago. To answer it, I had to do look into how data is stored on tape and how exactly we load it. Along the way, we'll find several limits and assumptions we have to work around on our quest for the fastest-possible loading.

Read the article - posted 2022-04-03

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