I love my Instant Pot. It’s a slow cooker, it’s a pressure cooker… on Sunday I cooked three separate things in it. This is the middle one.

Gemsbok shin curry, recipe adapted from Food & Home’s Blesbok curry.

Instant Pot on saute, 20ml oil, fry one chopped onion for about five minutes. Add some ginger and some garlic, I use the little plastic jars from the Spar because I’m lazy. Add half a teaspoon or so chili flakes. Give it a few minutes.

Add 400 to 500g meat, in 1cm-ish cubes. Give it a few more minutes.

Add 1/2 tsp turmeric, 1/2 tsp cayenne pepper, 1 tsp ground coriander seeds, 1 tin chopped peeled tomatoes, mix it all up, let it simmer a bit. Add a couple cardamom pods and some cinnamon (I used about half a teaspoon ground cinnamon).

Add six to eight baby potatoes, halved.

Close the lid, set to pressure cook for 15 minutes, have a beer.

Depressurise, stir in about a teaspoon garam masala, let rest while you quickly rinse the pot and use it to boil some rice (2 minutes at pressure, maybe five minutes total).

 





6
May
'18

So I’m messing around with a Burroughs TD831 terminal which uses a 6800 processor, 8 kilobytes of DRAM and 16 kilobytes of mask PROM.

The PROMs are fairly typical of the era, in that the chip select lines are also programmable. So you program the first one in a bank of four to have two active low chip selects, the middle two ones to have an active low and an active high, as well as the reverse, and the fourth one to have two active high chip selects. That way you can run address lines into the chip selects and four PROMs act like one PROM four times the size, effectively.

How I figured this out: the PROMs have 24 pins, the largest 24 pin PROM is a 2732. Told my EXPRO that’s what they were, not much joy. Went down to 2716s, and that gave data out of one of each bank of four PROMs. I figured that this means the devices are similar to for example the 82S191. So it was time to write some code.

I was lazy and just told the code that the three potential chip select lines were address lines. This gave me a 16 kilobyte per PROM dump, three quarters of which is blank Looking at how the banks were located in the 16 kilobyte address space makes it look like pin 21 (A10 on the 82S191) is an active high Chip Select, while pin 20 is A10 and pins 19 and 18 are the programmable Chip Selects.

I suppose I can rewrite my code to map things that way, but I should be able to paste my dumps together into something that can be disassembled. If ever I am arsed to do that.

But if you are here on a quest to restore one of these things to life, I think I have given you everything you need in order to be enlightened.

Edit: You might notice that I did change the code and re-dump the ROMs in nice neat 2k binaries.





7
Apr
'18





Happy Birthday, Preacher.

 





29
Jan
'18

Prepping (i.e. making sure you have enough essential stuff stored away to tide you through a difficult time) is always a good idea. Now is a good time to start.

“Now” is an especially good time to start prepping for Day Zero. Here are some good ideas, except go light on the rice and dried beans (you need water to cook those) and buy water, not empty containers.

Successful prepping revolves around buying more of the kind of stuff you’d buy anyway, and then rotating it. Day Zero is not going to go full-on Zombie Apocalypse on us (we all hope) but the supply chain might be slow due to people having to queue for water, rather than being at work. If you also have to queue for water, and maybe go to work*, taking the time out to go to the shop will be a luxury. So shop now.

But don’t go out and buy a ton of freeze-dried Bear Grylls stuff you’ll end up never using and throwing away, just get extra stock of the tinned stuff you normally get, stick some extra chicken or mince or steaks if you can afford it in the freezer, that kind of stuff.

Remember to keep your plastic grocery bags, you’re going to need them :-/

Also, waterless hand cleaner and bleach. Paper plates might not be a bad idea either. A fellow student, back in the early nineties, kept his plate in his fridge so he only had to wash it once a week. He was just lazy, but if water’s scarce, it could work.

Start thinking about food recipes that need little water. I made this one the other night, it’s pretty damn good.

And have a Plan B. Always have a Plan B.

*Although how one can be expected to work when the toilets don’t flush is beyond me. Note that this also applies to the staff at your friendly local grocery store. Which brings us back to the point — shop now.





The 28th of December gets no respect. It’s just another day in the week most people take off to go to the beach.

But 100 years ago people sat up and noticed. Specifically, they noticed an article in the New York Evening Mail.

The Rise of the Bathtub
The first bathtub in the United States was installed in Cincinnati December 20, 1842, by Adam Thompson. It was made of mahogany and lined with sheet lead. At a Christmas party he exhibited and explained it and four guests later took a plunge. The next day the Cincinnati paper devoted many columns to the new invention and it gave rise to violent controversy.

Some papers designated it as an epicurian luxury, other called it undemocratic, as it lacked simplicity in its surroundings. Medical authorities attacked it as dangerous to health.

The controversy reached other cities, and in more than one place medical opposition was reflected in legislation. In 1843 the Philadelphia Common Council considered an ordinance prohibiting bathing between November 1 and March 15, and this ordinance failed of passage by but two votes.

During the same year the Legislature of Virginia laid a tax of $30 a year on all bathtubs that might be set up. In Hartford, Providence, Charleston and Wilmington special and very heavy water rates were laid on persons who had bathtubs. Boston in 1845 made bathing unlawful except on medical advice, but the ordinance was never enforced and in 1862 it was repealed.

President Millard Fillmore gave the bathtub recognition and respectability. While Vice President he visited Cincinnati in 1850 on a stumping tour and inspected the original bathtub and used it. Experiencing no ill effects he became an ardent advocate, and on becoming President he had a tub installed in the White House. The Secretary of War invited bids for the installation. This tub continued to be the one in use until the first Cleveland Administration.

And it’s been bouncing around the world and the internet since.

 

 

 








We had all day to get to the Malpense airport outside Milan so we were in no great hurry. Turned off the highway and had coffee at Cafe Racer in Kamnik.

From there we went to see what Lake Bled looks like. It was raining, I don’t even have half decent pictures — but it looks like it can be stunning in summer. Which is probably why Bled features on the front page of so many travel guides to Slovenia.

It was around this point that we put Malpense into the GPS and realised that we didn’t have all day, and that we would have to put foot to get to the airport in time to catch our flight.

So Pieter put foot.

This is not what you want to see if you are trying to put foot. 82 kilometers before Venice, we were stuck here for maybe 40 minutes.

We ended up giving them the car with an empty tank, and there’s a penalty for that but… we made the flight. Well, we managed to book in our baggage in time, that’s the important thing. Then we got caught in a free-for-all in the passports queue, and when we finally boarded the plane got delayed for an hour but… we made the flight*.

Addis Ababa is not known for their tolerance of airlines other than Ethiopian. Because of being late, we basically walked in the one door and our the other without going through security (good) or duty free (bad). And then we sat on a mostly empty plane watching people arrive in dribs and drabs and hoping that the last group would be the last group so we could have plenty space on the plane. We ended up with plenty space on the plane. I slept through most of the flight. That’s how I roll.

  • You have to be at the airport two hours before the flight. Unless you book in electronically, then it’s an hour. We had three cellphones and one iPad, and airtime enough to find the website (not ethiopianairlines.com) and book in and email the boarding passes to Pieter’s account. He didn’t have airtime to download the boarding passes but the airport supposedly had free wifi. Didn’t get that working but didn’t get hassled either so that was all good. Sheesh, I remember the days when your tickets came printed in quadruplicate in a book.

 





So on Monday we drove out to Murska Sobota again.

Our appointment was for one, so we dawdled around a bit, visited the Marof winery (winemaker, Pieter’s friend Uroš). Impressive place. Good wine, too.

This little Land-Rover lives with his mate the Renault and a bunch of other junk at 5 Bogojina on the road to Dobrovnik.

Had lunch at the Gostilna Pri Lujzi in Dobrovnik, then kept our appointment with the lawyers, signed a bunch of papers, stuck some money in a bank, had some coffee, and drove back to Maribor, where it was pretty much pitch dark already. Walked across the bridge and went shopping at the InterSPAR, cheese and cold meat and wine and beer, called it supper.

View from the bridge, that’s the windows of the place we stayed in.

 





As mentioned previously, Tanya insisted on coming along on this trip because she has a scrapbooking friend in Graz.

IMG_8370r

So the first stop was a rather large arts crafts and scrapbooking place, after which we found parking close to the Graz Cathedral and walked down Hofgasse and Sporgasse into the centre of town — which was packed.

The weather wasn’t so great for photographs.

This is the view from Freiblick, a rooftop cafe above Kastner & Öhler. It was cold. The wind chill up there was bracing. There were people sitting outside having coffee and stuff. I suppose you get used to the cold.

Our hosts had booked us into the Gasthof Grosschedl zum Kramerwirt which is close to where they stay, outside Graz. Slightly upmarket from what I normally pick, very nice of course.

… and back to Maribor, where it had snowed while we were in Austria.

Pieter found us a very nice place just around the corner from the main square, on the river. This is the view from there, facing south. The building on the left is the Maribor U Faculty of Medicine. We had the place to ourself — Pieter was still booked into his place for one night.

 

 

 

 

 





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