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by timrowledge
Mon Apr 08, 2019 8:00 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

Now, about your benchFib example above: 1) Could you explain what all that line noise means? Perhaps it's me but it's unintelligible. If I squint hard I can just about make out a recursive fibo in there. 2) How do I run it? It fails for me: $ cat fibo.st benchFib "Handy send-heavy benchmark" "(resu...
by timrowledge
Mon Apr 08, 2019 7:36 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

As you have noted there is plenty of doom to go around. If only I could find my Byte magazine https://ia802700.us.archive.org/BookReader/BookReaderImages.php?zip=/8/items/byte-magazine-1981-08/1981_08_BYTE_06-08_Smalltalk_jp2.zip&file=1981_08_BYTE_06-08_Smalltalk_jp2/1981_08_BYTE_06-08_Smalltalk_00...
by timrowledge
Thu Apr 04, 2019 6:59 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

timrowledge, ... Smalltalk. It's the only language good enough to be worth critiquing. Wow, that is a bold statement! It's pointless to make mealy-mouthed statements. Waste of breath. I notice Smalltalk accommodates LargeIntegers, that is a good start, you are invited to contribute a solution to th...
by timrowledge
Thu Apr 04, 2019 6:24 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

timrowledge, Did you know that Scratch comes in position 25 here? https://www.tiobe.com/tiobe-index/ 0.549% of programmers are actually using it. Impressive, and incidentally, much higher than Smalltalk which doesn't come into the top 100 (though it is tracked). And the point is what, exactly? When...
by timrowledge
Thu Apr 04, 2019 12:02 am
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

The IBM 360 used microcode in 1964 to implement its instruction set on a RISC-like processor. And is therefore, in combination, not a RISC design. Arguably a prime example of CISC. Exactly. As it happens I knew (and indeed worked with in a minor way) John Cocke, the IBMer that was a key founder of ...
by timrowledge
Wed Apr 03, 2019 11:56 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

Scratch is an environment for introducing people with no prior experience to the concept of programming a computer. Scratch is brilliant for that. I used it in exactly that way to demonstrate to someone what programming was about. Brilliant. Glad you like it - gerbils for courses, as we say. Instea...
by timrowledge
Wed Apr 03, 2019 11:51 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

I do like the idea of Scratch, it is just offensive to graphics trained me that the pieces don't fit together. Hmm, as a graduate of the Royal College of Art I'd agree - except that in 'real' Scratch as installed in Raspbian as "Scratch" rather than "Scratch 2", they *do* fit together And it is way...
by timrowledge
Sat Mar 30, 2019 7:31 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

Scratch is an environment for introducing people with no prior experience to the concept of programming a computer. Instead of dumping newcomers into a nightmare of stupid text editors and command line with ridiculous incantations that have to be properly spelled (sic) in order to do anything at all...
by timrowledge
Fri Mar 29, 2019 6:56 pm
Forum: Beginners
Topic: ESP8266 DHT22 And RPI3
Replies: 2
Views: 83

Re: ESP8266 DHT22 And RPI3

There's a wiki page about my project fore doing pretty much this at http://wiki.squeak.org/squeak/6573 that might help explain things t oyou. There's even the code I used for the ESP, along with my Smalltalk MQTT client.
by timrowledge
Thu Mar 28, 2019 9:46 pm
Forum: General programming discussion
Topic: What does your development/deployment environment look like?
Replies: 13
Views: 1519

Re: What does your development/deployment environment look like?

iMac 27" plus secondary monitor with VNC/TeamViewer windows to at least half-a-dozen other machines ranging from Pi's to AWS virtual hosts. All of them running Smalltalk, because obviously why would I use anything else?
by timrowledge
Thu Mar 28, 2019 8:11 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

jahboater wrote:
Thu Mar 28, 2019 7:28 am
Heater, Ejolson,

Sorry, I was addressing Tim Rowledge re not knowing how simple REP MOSB and general 8086 insns are.
I know you two are experts.
You’ll have to forgive me - after all I’ve only been doing this stuff professionally for 40-some years.
by timrowledge
Wed Mar 27, 2019 7:51 pm
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

“MOVS doesn’t exist on ARM”? Umm, yes it does. MOVS moves the contents one one register to another and sets the relevant condition code it’s. And yes, I’m aware on x86 it means something like “move the string of bytes from the address pointed to by the value worked out from the contents of register ...
by timrowledge
Wed Mar 27, 2019 7:39 pm
Forum: General discussion
Topic: PC control of Raspberry Pi
Replies: 1
Views: 88

Re: PC control of Raspberry Pi

Take a look at MotionEye. It will do pretty much what you want out of the box - though you may have to do some network setup to handle a direct Ethernet connection.
It presents a website that your pc can access and a simple GUI to operate things.
by timrowledge
Wed Mar 27, 2019 7:26 pm
Forum: General discussion
Topic: Pi 4 questions
Replies: 166
Views: 8011

Re: Pi 4 questions

Burngate wrote:
Wed Mar 27, 2019 7:04 pm
jamesh wrote:
Wed Mar 27, 2019 5:27 pm
Just as long as everyone realises that the Pi4 spec is set in stone
Ah, but what sort of stone? Basalt? Granite? Chalk? Marble?
My preference would be either Gneiss or Schist, only because they're difficult to spell.
That’s not very Gneiss of you 😁
by timrowledge
Wed Mar 20, 2019 11:14 pm
Forum: Off topic discussion
Topic: Worried, Whatever-Speed
Replies: 59
Views: 3646

Re: Worried, Whatever-Speed

timrowledge, Do pay attention. You make it sound like what you are about to say has been said before. Well it has been mentioned just few times on these hallowed forae. The original Scratch (actually v1.4) was written in Smalltalk. I read that Scratch was originally written in Squeak. Apparently Sq...
by timrowledge
Wed Mar 20, 2019 4:15 am
Forum: Off topic discussion
Topic: Worried, Whatever-Speed
Replies: 59
Views: 3646

Re: Worried, Whatever-Speed

jamesh, We recommend earlier versions of Scratch as we spent some money optimising Scratch 1. What? Money was spent on fixing up a program written in FLASH. Just at the time when all the world knows that FLASH is a dead end? Do pay attention. The original Scratch (actually v1.4) was written in Smal...
by timrowledge
Wed Mar 20, 2019 2:25 am
Forum: Off topic discussion
Topic: Worried, Whatever-Speed
Replies: 59
Views: 3646

Re: Worried, Whatever-Speed

jamesh wrote:
Tue Mar 19, 2019 4:15 pm
With regard to Scratch3 , yes, its a bit slow. We recommend earlier versions of Scratch as we spent some money optimising Scratch 1.
Yoohoo! Over here! I did that work. I could do more and (probably) make the “proper “ version of Scratch cope with v3 project files etc.
by timrowledge
Tue Mar 12, 2019 8:02 pm
Forum: General discussion
Topic: clone a PI3 to a new PI3
Replies: 5
Views: 229

Re: clone a PI3 to a new PI3

You should consider changing the name of the new Pi once you’ve started it. Just because having two computers with the same name will always find a way to make life confusing.
by timrowledge
Fri Mar 08, 2019 9:40 pm
Forum: Scratch
Topic: Help installing scratch
Replies: 3
Views: 984

Re: Help installing scratch

Izaac wrote:
Fri Mar 08, 2019 3:32 pm
If you are using a raspbian desktop, just click on the terminal and type,

Code: Select all

sudo apt-get install scratch
Err, I advise against that - you’d get the ancient and barely usable version of 1.4. Go for nuscratch instead. But it’s already installed so why would you be doing any of this?
by timrowledge
Sun Mar 03, 2019 5:23 pm
Forum: Beginners
Topic: Question about writing code on/for the Pi
Replies: 15
Views: 426

Re: Question about writing code on/for the Pi

Anyone else remember the vi vs emacs flamewars? I still have scars from the radiation burns- and I wasn’t even involved since I use(d) StrongEd on RISC OS or ParagraphEditor in my Smalltalk work. But more on topic, I strongly suggest that you keep your active work on the machine that gets backed up...
by timrowledge
Sat Mar 02, 2019 1:57 am
Forum: Beginners
Topic: Question about writing code on/for the Pi
Replies: 15
Views: 426

Re: Question about writing code on/for the Pi

You don’t need a KVM switch nor do you have to upload to the Pi. Assuming you really want to do your editing on the Mac, set up the Pi with a directory on the Mac mounted to a convenient location on the Pi. Ie /home/Pi/Documents/myMacDirectory and not /mnt/foo/bar/a/c/d/f/t983+&$sbthing. Edit files....
by timrowledge
Wed Feb 27, 2019 6:49 am
Forum: General discussion
Topic: Linus Torvalds on Native ARM Development
Replies: 29
Views: 1370

Re: Linus Torvalds on Native ARM Development

I think Torvalds is simply wrong about the bigger picture. ARM cpus are on their way to eating intel’s lunch. For historical perspective, when I first moved to Silicon Valley in 91, a colleague joked that intel could make an entire years worth of ARM chips in the lunchtime we were enjoying. He was r...
by timrowledge
Wed Feb 27, 2019 6:37 am
Forum: General discussion
Topic: Best way to power 4 x Raspberry Pi
Replies: 31
Views: 1058

Re: Best way to power 4 x Raspberry Pi

My main Pi system has been happily running off a unit like that for over year. I thin k it is a 6A version and IIRC it cost C$6 delivered. I hooked it up to a ‘scope and a load to pull 5A and the voltage changed by perhaps as much as 2 hundredths of a volt. Pretty good. It powers the pi and a small ...
by timrowledge
Wed Feb 20, 2019 1:01 am
Forum: Off topic discussion
Topic: Is ARM doomed?
Replies: 311
Views: 18745

Re: Is ARM doomed?

rpdom wrote:
Tue Feb 19, 2019 8:18 pm

I don't know how apple phones work. If like Android then most stuff is Java and could work on another platform without changes. I'm probably wrong ;-)
Apple are certainly smart enough to avoid java.
by timrowledge
Wed Feb 13, 2019 9:29 pm
Forum: General discussion
Topic: (Micro-)SD Card and its "associated" Pi "Tracking" - a couple of approaches
Replies: 3
Views: 237

Re: (Micro-)SD Card and its "associated" Pi "Tracking" - a couple of approaches

Masking tape is your friend.
77A3672E-4E40-4BF5-8A94-4F9A07E94E24.jpeg
77A3672E-4E40-4BF5-8A94-4F9A07E94E24.jpeg (93.53 KiB) Viewed 217 times
Cut a piece twice as long as you want the tab to be, and fold over with a little sticking to each side of the sad card. Write on it. Works nicely to help us big fingered folk hold tiny cards.

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