Updated myy compiler, and bought a watch.

Saturday, 16 February 2019

The simple math-compiler I introduced in my previous post has had a bit of an overhaul, so that now it is fully RPN-based.

Originally the input was RPN-like, now it is RPN for real. It handles error-detection at run-time, and generates a cleaner assembly-language output:

In other news I bought a new watch, which was a fun way to spend some time.

I love mechanical watches, clocks, and devices such as steam-engines. While watches are full of tiny and intricate parts I like the pretence that you can see how they work, and understand them. Steam engines are seductive because their operation is similar; you can almost look at them and understand how they work.

I've got a small collection of watches at the moment, ranging from €100-€2000 in price, these are universally skeleton-watches, or open-heart watches.

My recent purchase is something different. I was looking at used Rolexs, and found some from 1970s. That made me suddenly wonder what had been made the same year as I was born. So I started searching for vintage watches, which had been manufactured in 1976. In the end I found a nice Soviet Union piece, made by Raketa. I can't prove that this specific model was actually manufactured that year, but I'll keep up the pretence. If it is +/- 10 years that's probably close enough.

My personal dream-watch is the Rolex Oyster (I like to avoid complications). The Oyster is beautiful, and I can afford it. But even with insurance I'd feel too paranoid leaving the house with that much money on my wrist. No doubt I'll find a used one, for half that price, sometime. I'm not in a hurry.

(In a horological-sense a "complication" is something above/beyond the regular display of time. So showing the day, the date, or phase of the moon would each be complications.)

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