I wrote a 6502 Wordle clone three years ago. I wonder if that makes it the first, or is this KIM-1 one older?

github.com/JeffJetton/a...

Distracted boyfriend meme where the man pictured (labeled "ME") is checking out a woman walking by (labeled "PDP-8") while his presumed girlfriend/wife (labeled "6502") gives him an annoyed look.

I like small instruction sets and I cannot lie

And IIRC, the underlying mechanism is that a SBC is just an ADC of the negative. Only instead of doing a full two's complement (NOT and add one), it just does the NOT part. The normal add of the carry bit becomes the "add one" part. Thus, the borrow automatically happens when carry is clear.

It's a "reverse borrow" flag. I think of the SEC as putting a borrow bit on the shelf in case it's needed.

If it's still there when you're done, there wasn't a borrow.

The dad of some of my neighborhood friends built one. Every time I'd go visit, it would be a little bit further along. Eventually it was finished and we all played around with it.

Wait... you didn't grow up in southern Indiana, did you? :-)

Still of the high school from the "The Breakfast Club", a movie that takes place on a single day of detention. There's a subtitle that shows that the date is Saturday, March 24, 1984. A heading further specifies that detention started at 7AM.

Fun fact: If you celebrated this today at 7AM Chicago time, you were actually an hour early!

March 24th, 1984 would've still been under Standard Time, since the switch to Daylight Saving Time wasn't until April back then.

Adrian's Diluvial Basement

(Which of course made recursion impossible.)

[In best Yorkshire accent] They were lucky! Computers like the PDP-8 didn't have a hardware stack at all!

JSR wrote its return address to the target address and ran code starting with the *next* word. Subroutines had to start with an unused word and JMP to the address stored there when done.

I'd assume that the 6502 implementation of FORTH went with a software-based data stack for the language itself, using the 6502's hardware stack just for the interpreter's own subroutine calls.

(But who knows?)

Thanks!

Speaking of the RIOT and 6502 stack, it was even tighter on the Atari VCS. The 128 bytes on the RIOT were the only RAM, mapped to both the stack and page zero.

So reading/writing $00FF got the same byte as $01FF (beginning of stack), and too many nested JSRs could collide the stack with your data!

1973 photo of Welsh musician Blue Weaver playing a small accordion on stage. Credit: Alamy

Found a new one! One of my musical heroes, keyboardist Blue Weaver.

Admittedly, not best known for playing accordion, but he did sneak some in when he was with the Strawbs, so he's welcome to converge with the rest of us. :-)

Bee Gees - Recording "Tragedy" in Criteria Studios 1979 [Reelin' In The Years Archives] YouTube video by ReelinInTheYears66

But did you do the explosion sound? youtu.be/42Mk6OJ5ZwQ?...

Airplane cockpit closeup pan scene YouTube video by colinstu

www.youtube.com/watch?v=LyUN...

35mm print of "Apollo 13".

Does the Atari VCS/2600 count? If so, that.

If not, the Atari 400.

Coca-Coli

We drove 750+ miles to Mackinac City, took the ferry, and stayed a few nights at the Grand Hotel... all because of "Somewhere In Time".

The island did NOT disappoint. Wonderful place!

NANCY BY ERNIE BUSHMILLER P1- NANCY SEES SLUGGO DOWNTOWN NANCY: DID YOU GET THAT CONCERTINA FOR CSHRISTMAS? SLUGGO: YEP -- AND I'M GONNA MAKE MONEY WITH IT P2- SLUGGO HAS MADE A SIGN THAT READS… DEPOSIT PENNY TO HEAR MUSIC, SLUGGO HAS A TIN CUP SITTING ON A CRATE P3- SLUGGO IS PLAYING HIS CONCERTINA MUCH TO THE DISPROVAL OF PEOPLE PASSING BY FIRST MAN:AWFUL SECOND MAN:PHOOEY WOMAN:TERRIBLE P4- SLUGGO HAS CHANGED HIS SIGN, IT NOW READS…DEPOSIT PENNY TO STOP MUSIC SLUGGO IS NOW PLAYING THE CONCERTINA WITH A GRIM EXPRESSION ON HIS FACE.

Nancy By Ernie Bushmiller
December 29,1947
Note: A concertina is a hand-held, bellows-driven musical instrument with buttons on each end, similar to an accordion

Yup, concertinas and accordions are both part of the "free reed aerophone" family. The main difference is that the buttons on a concertina are pushed in from the sides, in the same directions the bellows move, whereas the buttons/keys of an accordion are pushed perpendicular to the bellows.

The Last Time - The Andrew Oldham Orchestra YouTube video by M's Music

Well then you might enjoy this orchestral cover of the Rolling Stones' "The Last Time", which is where the Verve got it from: www.youtube.com/watch?v=9Yrl...

That's a 12, and yes, it's gorgeous!

Nice! Reminds me a bit of The Hues Corporation's "Rock the Boat" for some reason.

That is stupid and also I'm stealing it.

Nope. Well, not counting the PiDP-8 kit I bought and put together.

But I'm working on a 6502 homebrew that doesn't have enough keys for hex entry, so I wrote an octal monitor for it.

Technically the sunrise isn't affected either way. It happens when it happens and doesn't care whether we call that moment 7:00 or 8:00 or "Gary".

DST is just everyone doing everything an hour earlier and tricking themselves that they're not by changing the clock. (Which is kinda dumb.)

Just four times better.

It's in binary.

Ooooh! Where'd you find a 6502 FOCAL?

Yup! With a 12-bit word length and six-bit character encoding often being used, octal was a much better choice than hex. Plus the PDP-8 instruction set lent itself well to three-bit groupings.