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Guest

Sun Feb 16, 2020 1:45 pm   



Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

Reliable data transmission.
<https://www.youtube.com/watch?v=eq5YpKHXJDM>

Error detection: Parity checking.
<https://www.youtube.com/watch?v=MgkhrBSjhag>

Checksums and Hamming distance.
<https://www.youtube.com/watch?v=ppU41c15Xho>

How do CRCs work?
<https://www.youtube.com/watch?v=izG7qT0EpBw>

Build a breadboard 8 bit computer, Piece by piece.
<https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU>

Dan Purgert
Guest

Sun Feb 16, 2020 8:45 pm   



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Quote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...


You missed his new series - building a 6502-based PC. Or well, a 65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7eH


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|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281

boB
Guest

Sun Feb 16, 2020 10:45 pm   



On Sun, 16 Feb 2020 11:57:20 +0000 (UTC),
DecadentLinuxUserNumeroUno_at_decadence.org wrote:

Quote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

Reliable data transmission.
https://www.youtube.com/watch?v=eq5YpKHXJDM

Error detection: Parity checking.
https://www.youtube.com/watch?v=MgkhrBSjhag

Checksums and Hamming distance.
https://www.youtube.com/watch?v=ppU41c15Xho

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

Build a breadboard 8 bit computer, Piece by piece.
https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU


I really like these guys on Youtube like this that really explain
things well !

Thanks for the link ! Hadn't heard of him before.

bitrex
Guest

Mon Feb 17, 2020 7:45 am   



On 2/17/20 1:00 AM, bitrex wrote:
Quote:
On 2/16/20 2:42 PM, Dan Purgert wrote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Basic stuff, but presented in a very good way.  This guy makes the
best how-to videos on electronics...

You missed his new series - building a 6502-based PC. Or well, a 65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7eH

The little 6502 derivative in the circa 1985 Nintendo Entertainment
system could be pushed to some pretty amazing feats by later coders;
knowledge of how to get the best performance from it still evolving into
the 21st century.

https://www.youtube.com/watch?v=Mk983938TY8


Fast 3D rotation/transformation matrix processing at 2:00:

<https://youtu.be/Mk983938TY8?t=120>

bitrex
Guest

Mon Feb 17, 2020 7:45 am   



On 2/16/20 2:42 PM, Dan Purgert wrote:
Quote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

You missed his new series - building a 6502-based PC. Or well, a 65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7eH


The little 6502 derivative in the circa 1985 Nintendo Entertainment
system could be pushed to some pretty amazing feats by later coders;
knowledge of how to get the best performance from it still evolving into
the 21st century.

<https://www.youtube.com/watch?v=Mk983938TY8>

<https://en.wikipedia.org/wiki/Ricoh_2A03>


Quote:

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Guest

Mon Feb 17, 2020 7:45 am   



Dan Purgert <dan_at_djph.net> wrote in
news:slrnr4j6o9.1e3.dan_at_djph.net:

Quote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes
the best how-to videos on electronics...

You missed his new series - building a 6502-based PC. Or well, a
65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7


I did not miss anything. The 'computer' he built was all logic
gates, no cpu. But he has many other videos up. The guy makes them
very well. He and his co-producers.


Guest

Mon Feb 17, 2020 8:45 am   



bitrex <user_at_example.net> wrote in
news:m_p2G.660915$ek.226150_at_fx48.iad:

Quote:
On 2/16/20 2:42 PM, Dan Purgert wrote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes
the best how-to videos on electronics...

You missed his new series - building a 6502-based PC. Or well, a
65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp
7eH

The little 6502 derivative in the circa 1985 Nintendo
Entertainment system could be pushed to some pretty amazing feats
by later coders; knowledge of how to get the best performance from
it still evolving into the 21st century.

https://www.youtube.com/watch?v=Mk983938TY8

https://en.wikipedia.org/wiki/Ricoh_2A03



I still cannot believe you guys do not know about MAME.

I have collected game roms for years and have every game rom for
upright video games you could name.

But recently, I noticed that they were also posting game console
roms and processor emulations. Then I sw calculators and then
computers!

A whole bucketload of computers from mainframes to minis etc.!

MAME, with all the roms, also has history sheets, pictures, PCB
pics, cabinet pics, etc.

And a lot of the stuff runs.

So there are litereally Gigs of data to DL to get it all, but then,
you can hunt up old PCs or old calculators or old home games.

Remember "Simon Says"? Emulated in MAME's catalog.

Remember PacMan? It is not 'similar code' it is 100% the exact
game ROMs being ran on a perfect Z80 emulation. They have had years
to debug everything, and each failed ROM meant more learning and
fixing.

Even games that had sound on cassette tapes, and even the laser
disc based games with over 500MB of disc data to add to the game ROMs
to play the game on your PC.

Command line executable from the main developer:
<https://www.mamedev.org/>


As for interfaces:
<http://www.mameui.info/>
The mameUI64 comes with the mame executable built in.

Needed snapshot files are many:
<http://www.progettosnaps.net/PCB/>

Allan Herriman
Guest

Mon Feb 17, 2020 4:45 pm   



On Sun, 16 Feb 2020 11:57:20 +0000, DecadentLinuxUserNumeroUno wrote:

Quote:
Basic stuff, but presented in a very good way. This guy makes the best
how-to videos on electronics...
[snip]

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw


I detected an error in the CRC video. He referred to the length of
messages in bytes when he should have said bits. His example CRC16 could
detect certain types of errors on packets of up to 32k-ish bits or 4k
Bytes, not 32k Bytes.

(Overall the quality is excellent though.)

Allan


Guest

Mon Feb 17, 2020 5:45 pm   



Allan Herriman <allanherriman_at_hotmail.com> wrote in
news:K6KdnVZaeJsHNNfDnZ2dnUU7-UGdnZ2d_at_westnet.com.au:

Quote:
On Sun, 16 Feb 2020 11:57:20 +0000, DecadentLinuxUserNumeroUno
wrote:

Basic stuff, but presented in a very good way. This guy makes
the best how-to videos on electronics...
[snip]

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

I detected an error in the CRC video. He referred to the length
of messages in bytes when he should have said bits. His example
CRC16 could detect certain types of errors on packets of up to
32k-ish bits or 4k Bytes, not 32k Bytes.

(Overall the quality is excellent though.)

Allan


There is another CRC video I did not put a link to.

Dan Purgert
Guest

Mon Feb 17, 2020 9:45 pm   



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Quote:
Dan Purgert <dan_at_djph.net> wrote in
news:slrnr4j6o9.1e3.dan_at_djph.net:
DecadentLinuxUserNumeroUno_at_decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes
the best how-to videos on electronics...

You missed his new series - building a 6502-based PC. Or well, a
65c02.

https://www.youtube.com/watch?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7

I did not miss anything. The 'computer' he built was all logic
gates, no cpu. But he has many other videos up. The guy makes them
very well. He and his co-producers.


Yeah, you did :)

He has two "computers on a breadboard" projects.

1. The one you linked that takes some 12 or 15 breadboards, and he
builds a pretty simple 8-bit processor. This project is (as far as I
know) completed.

2. The one I linked wherein he's using a WDC clone / reproduction of a
MOS Technologies 6502 microprocessor. This project is as yet
incomplete.


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--
|_|O|_|
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281


Guest

Tue Feb 18, 2020 10:45 am   



Dan Purgert <dan_at_djph.net> wrote in news:slrnr4ltdq.1e3.dan_at_djph.net:

Quote:
Yeah, you did Smile


Nope... I have not browsed his library of videos yet other than
those I see on the sidebar as I watch one.

Nothing missed. Other than 50 of the 60 years I have been here.

George Herold
Guest

Tue Apr 28, 2020 4:45 pm   



On Sunday, February 16, 2020 at 6:57:26 AM UTC-5, DecadentLinux...@decadence.org wrote:
Quote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

Reliable data transmission.
https://www.youtube.com/watch?v=eq5YpKHXJDM

Error detection: Parity checking.
https://www.youtube.com/watch?v=MgkhrBSjhag

Checksums and Hamming distance.
https://www.youtube.com/watch?v=ppU41c15Xho

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

Build a breadboard 8 bit computer, Piece by piece.
https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU


Hey I ran into Ben Eater in a quaternion video.
https://eater.net/quaternions

I haven't explored it yet. But I got there via 3blue1brown,
Grant Sanderson. (Who is great at teaching math stuff.)

George H.

Tom Del Rosso
Guest

Wed Apr 29, 2020 3:45 am   



George Herold wrote:
Quote:
On Sunday, February 16, 2020 at 6:57:26 AM UTC-5,
DecadentLinux...@decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

Reliable data transmission.
https://www.youtube.com/watch?v=eq5YpKHXJDM

Error detection: Parity checking.
https://www.youtube.com/watch?v=MgkhrBSjhag

Checksums and Hamming distance.
https://www.youtube.com/watch?v=ppU41c15Xho

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

Build a breadboard 8 bit computer, Piece by piece.
https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU

Hey I ran into Ben Eater in a quaternion video.
https://eater.net/quaternions

I haven't explored it yet. But I got there via 3blue1brown,
Grant Sanderson. (Who is great at teaching math stuff.)


3blue1brown makes beautiful proofs. I think one should watch his
"thinking visually about higher dimensions" before this stuff.

https://www.youtube.com/watch?v=zwAD6dRSVyI

The realization that, in the case of 100 dimensions, the inner
hypersphere
would have a radius of 9, is amazing.

George Herold
Guest

Wed Apr 29, 2020 3:45 pm   



On Tuesday, April 28, 2020 at 10:09:20 PM UTC-4, Tom Del Rosso wrote:
Quote:
George Herold wrote:
On Sunday, February 16, 2020 at 6:57:26 AM UTC-5,
DecadentLinux...@decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes the
best how-to videos on electronics...

Reliable data transmission.
https://www.youtube.com/watch?v=eq5YpKHXJDM

Error detection: Parity checking.
https://www.youtube.com/watch?v=MgkhrBSjhag

Checksums and Hamming distance.
https://www.youtube.com/watch?v=ppU41c15Xho

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

Build a breadboard 8 bit computer, Piece by piece.
https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU

Hey I ran into Ben Eater in a quaternion video.
https://eater.net/quaternions

I haven't explored it yet. But I got there via 3blue1brown,
Grant Sanderson. (Who is great at teaching math stuff.)

3blue1brown makes beautiful proofs. I think one should watch his
"thinking visually about higher dimensions" before this stuff.

https://www.youtube.com/watch?v=zwAD6dRSVyI

The realization that, in the case of 100 dimensions, the inner
hypersphere
would have a radius of 9, is amazing.


Thanks, I've only seen a few of his videos... very cool stuff!
Visualizing the Riemann function is good.

George H.


Guest

Wed Apr 29, 2020 3:45 pm   



George Herold <ggherold_at_gmail.com> wrote in
news:947782ff-6dda-4acb-8c3c-a0b8b4269559_at_googlegroups.com:

Quote:
On Tuesday, April 28, 2020 at 10:09:20 PM UTC-4, Tom Del Rosso
wrote:
George Herold wrote:
On Sunday, February 16, 2020 at 6:57:26 AM UTC-5,
DecadentLinux...@decadence.org wrote:
Basic stuff, but presented in a very good way. This guy makes
the best how-to videos on electronics...

Reliable data transmission.
https://www.youtube.com/watch?v=eq5YpKHXJDM

Error detection: Parity checking.
https://www.youtube.com/watch?v=MgkhrBSjhag

Checksums and Hamming distance.
https://www.youtube.com/watch?v=ppU41c15Xho

How do CRCs work?
https://www.youtube.com/watch?v=izG7qT0EpBw

Build a breadboard 8 bit computer, Piece by piece.
https://www.youtube.com/playlist?
list=PLowKtXNTBypGqImE405J2565dvjafglHU

Hey I ran into Ben Eater in a quaternion video.
https://eater.net/quaternions

I haven't explored it yet. But I got there via 3blue1brown,
Grant Sanderson. (Who is great at teaching math stuff.)

3blue1brown makes beautiful proofs. I think one should watch his
"thinking visually about higher dimensions" before this stuff.

https://www.youtube.com/watch?v=zwAD6dRSVyI

The realization that, in the case of 100 dimensions, the inner
hypersphere
would have a radius of 9, is amazing.

Thanks, I've only seen a few of his videos... very cool stuff!
Visualizing the Riemann function is good.

George H.


Well, I guess by y'all's measure, I finally posted something good.

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