A poorly Zeddy

General Chit Chat about Sinclair Computers and their Clones
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Andy Rea
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Re: A poorly Zeddy

Post by Andy Rea » Tue Sep 12, 2017 8:07 pm

Zxkim81 wrote:
Tue Sep 12, 2017 7:58 pm
I take my hat off to you Andy and your vision for that poorly zeddy brought back to life is memorising.
Is that a re-designed ula on that atmega chip I see.😋
Well done Andy well done🤔
Atmega... i see no Atmega... however i do have a cunning plan.... involving a chip or 2 and access to both ula socket and cpu socket...

regards Andy
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

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1024MAK
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Joined: Mon Sep 26, 2011 9:56 am
Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK » Tue Sep 12, 2017 8:58 pm

Andy Rea wrote:
Tue Sep 12, 2017 8:07 pm
Zxkim81 wrote:
Tue Sep 12, 2017 7:58 pm
I take my hat off to you Andy and your vision for that poorly zeddy brought back to life is memorising.
Is that a re-designed ula on that atmega chip I see.😋
Well done Andy well done🤔
Atmega... i see no Atmega... however i do have a cunning plan.... involving a chip or 2 and access to both ula socket and cpu socket...

regards Andy
Err, I think it's this photo that is being referred to...
Image

Mark

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sirmorris
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Joined: Thu May 08, 2008 4:45 pm
Location: oxon, uk

Re: A poorly Zeddy

Post by sirmorris » Tue Sep 12, 2017 9:35 pm

Still no ATMega. I see an Altera CPLD, that's probably the source of confusion. Very similar name.
--=== 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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Andy Rea
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Location: notts UK

Re: A poorly Zeddy

Post by Andy Rea » Mon Sep 25, 2017 9:33 pm

not much progress but it hasn't been forgotten...
Image

can you tell what it is yet ?
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

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PokeMon
Posts: 2129
Joined: Sat Sep 17, 2011 5:48 pm

Re: A poorly Zeddy

Post by PokeMon » Mon Sep 25, 2017 9:39 pm

A big ULA replacement ?
Okay - you did already in the past.
Hmm - a colour interface ? 8-)

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sirmorris
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Location: oxon, uk

Re: A poorly Zeddy

Post by sirmorris » Tue Sep 26, 2017 10:51 am

Unicorn generator?
Subspace communicator?
Tesseract interactor?
--=== 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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siggi
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Location: Dauernheim, Germany
Contact:

Re: A poorly Zeddy

Post by siggi » Tue Sep 26, 2017 10:53 am

A video coprocessor to show a picture without any CPU load? 8-)
My ZX81 web-server: online since 2007
http://zx81-siggi.endoftheinternet.org/index.html

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siggi
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Re: A poorly Zeddy

Post by siggi » Tue Sep 26, 2017 10:56 am

A real live memory viewer? :mrgreen:
My ZX81 web-server: online since 2007
http://zx81-siggi.endoftheinternet.org/index.html

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1024MAK
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Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK » Tue Sep 26, 2017 3:01 pm

Infinite Improbability Drive Controller card?
Transmat controller card?
Stargate controller card?
Teleport controller card?
TARDIS controller card?
Transporter controller card?

Mark

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1024MAK
Posts: 1768
Joined: Mon Sep 26, 2011 9:56 am
Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK » Tue Sep 26, 2017 3:38 pm

Part of a ZX Spectrum emulator system?
Part of an Atom emulator system?
Part of a Mars Rover control system?

Mark

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