Actually, there is no such thing as pure retina resolution. There is only retina resolution as a function of pixel density and viewing distance. So, 4k on a 32" monitor at an 24" viewing distance is retina resolution at typical viewing distance. However, 4k on a 32" monitor at much shorter viewing distance is not.

4K is the limit of human visual perception.

Complete and utter BS.
The limit of visual perception depends entirely on the viewing distance and on pixel density.

Yes! That was it which confused me. And actually, the Zilog Z-80 actually copied (inherited) that instruction from the Intel 8080.

Actually, it was very useful when the 6502 was introduced. Remember, computers were slow back then. Converting a binary number to decimal was especially slow, since it involves division with remainder in a loop, once for each digit produce, and the 6502 had no hardware multiplication or division instructions.

Also — and this is even true today — if you do all your calculations in base 10 instead of binary, you get a different (sometimes more desirable) behavior of rounding. For example, financial calculations are almost always best done in base 10 rather than base 2. No self-respecting spreadsheet program does its financial arithmetic in base 2.

BCD mode is useful when you are working with numbers that you want to display to humans often. That is, you can do all the arithmetic in base 10 instead of binary. BCD is slower to work with than binary, but much faster to convert in and out of, since there's basically no conversion other than adding 0x30 (ASCII '0') to the nybble you want to display.

Working in binary, on the other hand, requires costly conversion in and out of human-readable decimal. For example, converting decimal to binary requires a costly multiplication (by 10) on each digit consumed, and converting back to decimal from binary requires a costly division (by 10) one each digit produced.

So for things like scores in games, yeah, BCD is a nice thing.

Hmm, you know what? Damn. I misremembered how it worked, and I didn't read closely enough at the link I provided. So, to stand corrected, the D flag was something you set (or cleared) proactively using the SED or CLD instruction. It actually indicated a mode you were in, rather than being a flag in the usual sense (such as a carry or a zero flag).

BCD (Binary-Coded Decimal) mode was cool because it changed the way adding and subtracting worked. If you added 0x01 to 0x29, you'd get 0x30 instead of 0x2A. This was possible because there were actually two carry flags on the 6502 — one (named C) which was set upon overflow of values greater than 255, and the other (named D) which was set upon overflow of the low nybble (e.g., the low 4 bits).

6502.org Tutorials: Decimal Mode

Watched Mind-Sifter. I liked it. They got the lighting and the camera style all wrong, though, whereas Star Trek Continues nails these things. Mind-Sifter did not at all feel to me like a a continuation of 60s Trek — it felt more like a reboot. I appreicate that they tried, but they missed the mark. I did really enjoy the tip of the hat to "Nightmare at 20,000 Feet", though, which was playing on the B&W television. :)

Seconded. Other than the actors being different, it really, honestly, truly feels like you're watching lost episodes of ST:TOS straight out of the 1960s.

The Star Trek Continues episode in the mirror universe is actually really good. Like seriously good.

I liked all three a lot. And Lou Ferrigno in episode 2 is freaking awesome.

Others...

• Adultery Biker
• A Bridle Turkey
• Drab Turkey Lie
• Bleak Dirty Rue

Results courtesy of: http://wordsmith.org/anagram/a...

Cray??

This is totes cray cray!

I call bullshit.

Ya, definitely disappointing there. But on the other hand, doesn't it have a higher CPU-power-per-watt rating? I imagine that this matters more to some people than pure CPU horsepower.

Huh, I've noticed the opposite with Mavericks. I only recently (a month ago) upgraded, but I have noticed significantly better battery life with it — especially with Safari not chewing up as many idle CPU cycles.

Ya, that drives me nuts too. However, I think it should still be possible to extract a .dmg installation image after downloading the update and before installing. I did that with Lion in 2011. Downloaded it once from the App Store and installed it on multiple systems from that disk image.

Yeah, that's a good point. Not much exciting anymore. And Yosemite looks like a huge step backward in the graphic design department. It's all ugly and flat. I don't look forward to being forced to upgrade to it someday.

Understandable... But how does any of this mean that Apple is becoming less relevant in the computer world? I think most people out there just don't care or notice.