Improving Timex/Sinclair Tape Loading

Discussions about Sinclair ZX80 and ZX81 Hardware
Lardo Boffin
Posts: 699
Joined: Sat Nov 26, 2016 2:42 am

Re: Improving Timex/Sinclair Tape Loading

Post by Lardo Boffin » Sun Feb 11, 2018 8:29 am

TMAOne wrote:
Sun Feb 11, 2018 4:33 am
I never make mistakes. Once I thought I'd made a mistake, but it turned out I was wrong. :P

Seriously though, I'm glad to hear another dubber is on-line. Can't wait for Lardo to turn it loose on those "unrecoverable" tapes and see how many can be rescued.
It will probably be May before I can try anything. :cry: Most of the stuff in my house is going into storage while I move. Argh.
ZX81 iss 1 (bugged ROM, kludge fix, normal, kit)
Iss 3 with ZXVid, another in nearly perfect box
TS 1000 iss 3, ZXPand AY, ZX8-CCB & ZX-KDLX
TS 1500
TS 2000
Spectrum 16k (iss 1 s/n 1499)
Spectrum 48k
Toastrack + DIVMMC future

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sirmorris
Posts: 2773
Joined: Thu May 08, 2008 5:45 pm
Location: oxon, uk

Re: Improving Timex/Sinclair Tape Loading

Post by sirmorris » Sun Feb 11, 2018 10:18 am

Well I assume the thing's working, but I admit it's only by trial - I haven't scoped anything out. I notice that I can make the LED light if I poke my fingers near certain components - I guess it's quite finely tuned?

* update - and a flick turns it off and on again. I think there's a screw loose. The board might have a fault too.

* update (2) - it's the cable. Sigh. Broken or intermittent conductor.
--=== ZXpand+ ... A more moderner all-in-one upgrade solution for ZX81 ===--
* SD/MMC storage * 32K Hires-capable RAM * AY sound chip * Joystick port * Serial *
* BASIC enhancements - plug & play * Reset button * Auto-boot facility *

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sirmorris
Posts: 2773
Joined: Thu May 08, 2008 5:45 pm
Location: oxon, uk

Re: Improving Timex/Sinclair Tape Loading

Post by sirmorris » Sun Feb 11, 2018 11:12 am

Sinclair games tape 1 - no hope for this.

Input at the top in yellow, output belue.

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Others though - outlook is good. In order we have 3Dmm, Zuckman, ZXAS
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NewFile3.png
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It'll be interesting to compare to another working board.
--=== ZXpand+ ... A more moderner all-in-one upgrade solution for ZX81 ===--
* SD/MMC storage * 32K Hires-capable RAM * AY sound chip * Joystick port * Serial *
* BASIC enhancements - plug & play * Reset button * Auto-boot facility *

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gammaray
Posts: 371
Joined: Sun Apr 17, 2016 2:44 am
Location: Texas

Re: Improving Timex/Sinclair Tape Loading

Post by gammaray » Sun Feb 11, 2018 6:03 pm

That is a big difference. Is there a program to manually construct a file based on a human visually inspecting the original file and losing a week of his life.

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BKSP
BKSP
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Finish what you start. Truth is over the mountaintop or six feet under.
4 x TS1000, 2 x TS1500 , 2 x timex 2040 printer, 1/2 x timex 2020 cassette deck, ZXPAND+AY, ZeddyNET, ZXBlast..., unfinished Spectrum...Still no life!

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XavSnap
Posts: 475
Joined: Sat May 10, 2008 4:23 pm

Re: Improving Timex/Sinclair Tape Loading

Post by XavSnap » Tue Feb 13, 2018 7:16 pm

:?
Windows...
http://dskcenter.free.fr/TO7/tutok7/

(note: a "ctrl+left click" can redraw a beep, directly on the wav on the top board of the window)

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