How the Z80's registers are implemented
The 8-bit Z80 microprocessor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum. The Z80...
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 153 posts.
The 8-bit Z80 microprocessor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum. The Z80...
If you're reading this page, chances are that you're already well aware that E.T. for the Atari 2600 is one of the most reviled games ever made. I never understood why. As a child, it was one of my favorite games. I still think it's a good game. Apparently , I'm not alone .
If you look closely at the datasheet for a Z-80 chip, you'll notice the data pins are in a random-looking order. The address pins (A) are ni...
Apple’s forgotten software gem was a last breath for democratized computing. Can it be revived?
A recent blog post by consultant John Cook reminded everybody about the infamous “Hello World” programs in the early chapters of the first five editions of Programming Windows:
I was a historian before I was an activist, and I’ve been reminded recently that a lot of younger hackers have a simplified and somewhat mythologized view of how our culture evolved, one which tends to back-project today’s conditions onto the past.
WoW has always been a contradiction of sorts: not the pioneer, but the one that solidified the pattern. Not the experimenter, but the one that reaped the rewards. Not the innovator, but the one that was well-designed, built solidly, and made appealing. It was the MMO that took what has always been there, and delivered…
Recently on Facebook, my friend, nerd extraordinaire Esther Schindler, shared a photograph of herself wearing an old T-shirt and challenged her followers to identify it: Either you have no idea what that image means, or you know exactly what it is. It's the torso, rolled-up sleeves and fol
After seeing a FOIA request earlier today that someone created asking for FBI training documents that teach staff how to understand/communicate using hacker leet-speak, I was reminded about something I’ve wanted to put in virtual ink for a while.
If you haven't read my Nintendo 3DS intro blog post first, I'd suggest it as it's a fun short read that gives some backstory of my interest...
Ignore simple physics and your appendage could be amputated by a tug of war rope.
Fig. 5.1 Wall in in Hatunrumiyoc street, Cuzco. Polygonal stones usually have pillowed (convex) faces and bevelled, sunken joints.
Nobody doubts that the C64 was the greatest selling single computer model of all time, it even made it into the Guinness Book of World Records, but nobody quite knows how many it really was: Most sources say 17 million, others say 22 or even 30 million. With a high degree of confidence, I can now…
When work began on JSMESS a couple years ago, I knew that it was probably somewhat easy to do all this conversion work for MAME (the arcade side) as it was for MESS (the computer and console side).…
Transcript of VHF channel 16 on the night of the Estonia disaster.
How a series of simple computer errors sabotaged a state-of-the-art medical wonder.
In the 1960s, a British nudist invented a lamp that inadvertently became the poster child for psychedelia. Thirty years later, it came back with a vengeance.
Will Vinton brought clay to life with characters like the California Raisins and the Noid -- until Nike billionaire Phil Knight stepped in and bought the business for his son.
Clever tricks used by medieval astronomers to tabulate sines at every degree, before calculators and before calculus.
Rick Thorne writes: > In truth, I like Ada too. I'm a former Ada man myself, as I believe I > mentioned. There are great things about the language, and since we're all > aware of them there's no point in going into them. I also prefer Beta to > VHS. Mathew Heaney responds: This is actually a specious comparison…
We do it dozens of times a day, every day, but why do we call it logging in? “Log in” is one of those phrases that sounds weirder the more you say it. It’s ubiquitous in online li…
The last few days I spend some time on porting the beloved game DOOM to the ZPU CPU. For you who don't know what I am talking about, DOOM wa...
Special note: an earlier version of this post appeared on a new blog I helped develop in partnership with Not Even Past of the Univer...