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Forums > C64 Coding > New life for your underloved datassette unit :D
2021-10-21 02:22
Zibri
Account closed

Registered: May 2020
Posts: 304
New life for your underloved datassette unit :D

The first phase of testing just ended.
(Still in the packaging and refining phase)

But I wish to share with you all my latest accomplishment.

You might want to check this out:
https://twitter.com/zibri/status/1450979434916417540
and this:
https://twitter.com/zibri/status/1450979005117644800

The fastest example (11 kilobit/sec) has the same (or better) error rlsilience as "turbo250" but it is 3 times faster.

The slowest one (8 kilobit/sec) has the same error resilience as the standard commodore slow "save", but it is 100 times faster and twice as fast as turbo250.

;)

Notes:

1) faster speeds are possible if the tape is written with a professional equipment or hi-fi with a stabilized speed and virtually no wobbling.

2) if the tape is emulated (tapuino or similar projects) the speed can go up to 34 kilobit/sec.

3) even with datassette, higher speeds are possible but the highly depend on the status of the tape, the datassette speed and azimuth.
 
... 327 posts hidden. Click here to view all posts....
 
2021-11-17 18:23
nc513

Registered: Jul 2017
Posts: 3
Oh, I see you fixed the truncated TAP header now. Thanks. But you forgot to reply to my questions above. ;)
2021-11-17 18:49
SLC

Registered: Jan 2002
Posts: 52
Quote: Quoting SLC
bla bla bla


Check it again and redownload it.

TAP file data start at $14:

00000014h: 00 A0 08 0F

And that means "pulse after 985248 cpu cycles" and that means unsecond after the start of the tape there will be a pulse.

P.S.
I posted it as a courtesy to you and because you asked.
I don't care about evil dead. And this has nothing to do with my turbo and it's totally off topic.

And, yes, I am human, I can be wrong, SO?
BITE ME.
My turbo still beats yours or any other.
Live with that.


Yes, now *after* you fixed it.... again! You will now notice this not bugging in finaltap or tapclean anymore too now!

My point here is that you are VERY fast at throwing out conclusions that OTHERS do the errors, not you (some of your VICE bug reports is the same). You insisted that finaltap was wrong, and falsely also claimed it didn't support V1 taps properly while it does and have done since the very first version. Even before it was even released to the public. You just didn't bother to sanity check your results thus concluded you were right and with that gives other who read your posts the idea the other programs being at fault.

Whenever confronted with such claims, you either just go silent or ignore the questions asked back and sometimes even respond with aggressive phrases like "BITE ME" while at the same time complaining about this place being toxic.
2021-11-17 22:09
Zibri
Account closed

Registered: May 2020
Posts: 304
Quoting nc513
Oh, I see you fixed the truncated TAP header now. Thanks. But you forgot to reply to my questions above. ;)

I never used tapeclean and when I did this "cleanup" I did it for me and for testing.
That's why.
2021-11-17 22:16
Zibri
Account closed

Registered: May 2020
Posts: 304
Quoting SLC
You just didn't bother to sanity check your results thus concluded you were right and with that gives other who read your posts the idea the other programs being at fault.

Whenever confronted with such claims, you either just go silent or ignore the questions asked back and sometimes even respond with aggressive phrases like "BITE ME" while at the same time complaining about this place being toxic.


1) yes. I was mistaken and sincerely I don't care about other people softwares very much.

2) the only confrontation I need with my "FACTS" (not claims) comes from engineers and testers. And yes, there were a few calculation errors on the parameter settings (not in the code) even if it was still breaking records, results didn't match my theories. After the correction now they do and I am very happy with that and so are my testers.
Now what?
Come on.. I gave you enought informations in thes thread that even you could come up with a loder similar to mine.
But unless you completely copy my method you'll never reach such accuracy and I can always beat any other loader.
Now, go on, acuse me of "claiming".
Whay don't we make some public bet, then?
How much you want to lose? a thousand dollars? Ten?
Just STFU, will you?

And if I go silent sometimes it's just because I sincerely have better things to do.
Since my loader works, now I am jst checking the wonderful results they are getting and brainstorming if there is any way I can improve it.
While doing that I am just taking sun and enjoy the warmth.
Ciao.
2021-11-17 22:24
nc513

Registered: Jul 2017
Posts: 3
Quoting Zibri
I never used tapeclean and when I did this "cleanup" I did it for me and for testing.
That's why.

Oh, I see. So you were kind of jumping to conclusions when you on Sep 30th said "Every dump around is wrong (has timing errors even if it works). Anyway, I recreated the clean MASTER of evil dead with the correct timings". Fine. Let's drop the subject of Evil Dead now.
2021-11-17 22:44
Zibri
Account closed

Registered: May 2020
Posts: 304
Quoting nc513
Quoting Zibri
I never used tapeclean and when I did this "cleanup" I did it for me and for testing.
That's why.

Oh, I see. So you were kind of jumping to conclusions when you on Sep 30th said "Every dump around is wrong (has timing errors even if it works). Anyway, I recreated the clean MASTER of evil dead with the correct timings". Fine. Let's drop the subject of Evil Dead now.

Well, they were right for what I needed. Most of them were right anyways, but here they are just messing with me because you know...apparently I jumped in their little world doing something better that them and now they are angry.
Poor kids.
Fortunately they are a minority in this forum.
A noisy one, but still a minority.
2021-11-18 01:18
Count Zero

Registered: Jan 2003
Posts: 1932
Quoting Zibri
Most of them were right anyways, but here they are just messing with me because you know...


What?
Are you reading yourself even?

One usual way to challenge people may be to release something, hit the "Discuss this release" link and get off.
Why you choose a generic title, use that as a partial blog thread, avoid questions, twist and twinkle around when people directly face you on binary grounds and feel that everybody is AGAINST you while being an aggressor on your own - beyond me.
But who am I to look at 4 different tap files of the same MASTER and judge that. Dont have a clue on tapes and that silly thing doesn't load my old AC/DC bootlegs anyhow!

My _claim_ - a word you might want to look up.
2021-11-18 03:15
Zibri
Account closed

Registered: May 2020
Posts: 304
No nickname was better chosen.
You really do COUNT ZERO.

I *released* video proof of my "claims" done by various and different users including two members of this forum.

The code, for now, is mine and mine only.
Even if now it's almost final, I'm still brainstorming and thinking of some new ideas to add to it.
And that's NONE of your business.

Until now I haven't seen anything even comparable to my loader but I am pretty sure many will popup as soon as I release my code.

Sincerely, in a less toxic environment I would have already released it and probably it would have improved with the help of skilled (in this field) people like Krill and a few others.

But instead of enouraging or just enjoy what I posted, very different things happened. And this is the consequence.

What is more important, the program has been checked by people that work professionally in this field. Engineers who produced something in their life (differently from you).

The ultimate2+ is a very good device (and I am happy to own one) but, even if I don't onwn one I can say that for tapes, the best device is CUTE32.

Sincerely I care about the judgement of the best people in thios sector and not by a few toxic people on an otherwise nice forum.

Stadiums would be a nice place without hooligans and people who use sports as an excuse for violence.
As this forum would be a really nice place without frustrated people who take everything as an excuse to leash out.

So, I repeat for the last time:
If you want to follow this thread, you are welcome to do so.
If not, just crawl somewhere else.

I am posting here my results or doubts in developing this program, including errors sometimes, yes, so what?
You want to take that as an excuse to "prove" I "claim" things or I tell andecdotes? Be my guest.

It happened the same at the time of Ziphone. 14 millions downloads. A group of losers/haters tried to spread bullshit about it. And I answerted them as I am answering the very few of you that behave in the same way. Because I care? Yes. I care about the others which are probably get annoyed or nervous about this useless debacle.

I will ignore any other message which I will consider off topic or offensive.

And if everyone will agree this is not of any interest then I will stop writing.
I didn't do that to brag or anything, but to share my enthsiasm in finding new ways to enjoy our beloved devices.
2021-11-18 05:01
Raistlin

Registered: Mar 2007
Posts: 680
I’d say some excellent and very interesting things have come up from this thread.

It’s not something that most of us can use, so I’ve seen people question the usefulness - but, hell, this is Commodore 64, a 35 year old machine, isn’t everything we’re doing pointless? :-)

Keep up the good work - and don’t worry about the trolls.
2021-11-18 05:38
Hate Bush

Registered: Jul 2002
Posts: 465
"he who thinks he's a giant is a shithead in fact" - Jaroslav Hasek
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