|
Wow, I love it, since the ZX Spectrum was my first computer. I started programming assembly just with the Z80.
"In testa che avete, Signor di Ceprano?"
-- Rigoletto
|
|
|
|
|
Working with assembly and STM32F411 as a Z80 analyzer or what I call a Z80BusSpy.
The part I'm working on now is a disassembler. Interesting stuff!
As the aircraft designer said, "Simplicate and add lightness".
PartsBin an Electronics Part Organizer - Release Version 1.3.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
|
|
|
|
|
Your are cheating, using such a monster to investigate on the poor 8-bit stuff. 
"In testa che avete, Signor di Ceprano?"
-- Rigoletto
|
|
|
|
|
Cool! My first real world program was an assembler for the 8080/Z80 instruction set. I had to write the OS first, of course, in order to load the assembler from a paper tape reader and punch the tape in the first place. That was all done with toggle switches until I got the punched tape unit working. ASR33, alack, I knew you well! What fun days of discovery we have lived, Mike. I wonder what today's kids will see? Doubtless, you and I won't understand much of it, even if we try.
Will Rogers never met me.
|
|
|
|
|
They'll see things we only dreamed of!
As the aircraft designer said, "Simplicate and add lightness".
PartsBin an Electronics Part Organizer - Release Version 1.3.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
|
|
|
|
|
How many transistors in the same area? Density?
Aside:
I was reading about the history of the DEC Alpha chip yesterday. Most of the transistors are for the cache, not directly related to processing.
|
|
|
|
|
All the years I worked with DEC computers never got to work with an Alpha, mostly PDP and uVAX.
As the aircraft designer said, "Simplicate and add lightness".
PartsBin an Electronics Part Organizer - Release Version 1.3.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
|
|
|
|
|
HP killed the OpenVMS Hobbyist program again, so I don't have licenses for my systems now. And the power supply for one of my AlphaServers has gone flooey.
There is now an X86 version of OpenVMS, but apparently it only works as a VM.
modified 16-Nov-23 9:40am.
|
|
|
|
|
Yeah that's a bummer.
I see a lot of uVAX's on ebay, not real cheap but wouldn't be able to afford the licensing anyway.
Sides don't know what I'd do with it, it's been MANY moons since I last worked on one!
As the aircraft designer said, "Simplicate and add lightness".
PartsBin an Electronics Part Organizer - Release Version 1.3.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
|
|
|
|
|
Yeah, I last worked with OpenVMS in 2002. I bought my systems as a way to keep from getting rusty. The hobbyist program was a real boon. I don't think there's much probability that I'll work with it again at this point. I don't know COBOL  .
Getting viable disks for the MicroVAX 3100 was a challenge.
|
|
|
|
|
PIEBALDconsult wrote: Aside:
I was reading about the history of the DEC Alpha chip yesterday. Most of the transistors are for the cache, not directly related to processing.
Aside to aside:
My book on GPUs and parallell programming mentions that one reason why these GPUs manage to fit so many processing units on one die is that they process so huge amounts of data, often in streaming fashion, that you see far less locality than in standard run-off-the-mill applications. You keep the values in registers while you still use them actively - that is not for very long. When you throw them out of of the registers, you never see them again. So a cache wouldn't be of that much help. Possibly for a few control variables (and GPUs frequently have a small cache, often common to all the processing units), but not for the heavy data flow.
With (almost) no cache, you have lost of real estate for building arrays of processing units.
Aside to aside to Aside:
I am not going to identify that GPU book. It it so bad, in some areas grotesquely bad, that I don't want to point anyone else to it.
|
|
|
|
|
Correction: On this day, 52 years ago.
Of course I realize it was implied.
So I asked ChatGPT:
"if I say "on this day", do you assume I mean "today", or on this day, but a different year?"
Its response:
"If you say “on this day”, I would assume that you are referring to the same day, but a different year. If you want to refer to today, you can use the phrase “today” instead."
...to which I say: Damn. You win. 
|
|
|
|
|
Wordle 880 4/6
⬛🟩⬛⬛⬛
🟩🟩🟩⬛⬛
🟩🟩🟩🟨⬛
🟩🟩🟩🟩🟩
|
|
|
|
|
Wordle 880 5/6
⬜⬜⬜⬜🟨
🟨⬜🟩⬜⬜
⬜⬜🟩⬜⬜
⬜🟩🟩🟩⬜
🟩🟩🟩🟩🟩
Symmetrical greens 💚.
|
|
|
|
|
Wordle 880 5/6
⬜🟨⬜⬜⬜
⬜⬜🟩🟨⬜
🟩🟩🟩⬜⬜
🟩🟩🟩⬜⬜
🟩🟩🟩🟩🟩
|
|
|
|
|
|
Wordle 880 4/6
🟨⬜⬜🟨⬜
⬜🟩⬜⬜⬜
⬜🟩⬜🟩🟩
🟩🟩🟩🟩🟩
|
|
|
|
|
Wordle 880 4/6
⬜🟨⬜⬜⬜
🟨⬜⬜⬜🟨
⬜🟩🟩🟨🟨
🟩🟩🟩🟩🟩
“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens
|
|
|
|
|
⬜🟩⬜⬜⬜
⬜⬜⬜🟨🟨
⬜🟩🟩🟩⬜
🟩🟩🟩🟩🟩
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
|
|
|
|
|
Wordle 880 4/6*
⬜⬜⬜🟨🟨
🟨🟨🟨⬜⬜
🟩🟩⬜🟩🟩
🟩🟩🟩🟩🟩
Happiness will never come to those who fail to appreciate what they already have. -Anon
And those who were seen dancing were thought to be insane by those who could not hear the music. -Frederick Nietzsche
|
|
|
|
|
Wordle 880 3/6
🟨🟨⬜⬜🟨
🟨🟨🟨🟨🟩
🟩🟩🟩🟩🟩
|
|
|
|
|
That could so easily have been a 2
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
|
|
|
|
|
|
Wordle 880 3/6
⬛⬛⬛⬛⬛
🟩🟩⬛⬛⬛
🟩🟩🟩🟩🟩
Ok, I have had my coffee, so you can all come out now!
|
|
|
|
|
Wordle 880 4/6*
⬛🟨⬛⬛⬛
🟨⬛⬛🟨🟩
🟩🟩⬛🟩🟩
🟩🟩🟩🟩🟩
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
