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 »

Zxkim81 wrote: Tue Sep 12, 2017 8:58 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
what's that Smell.... smells like fresh flux and solder fumes...
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1024MAK
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Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK »

Andy Rea wrote: Tue Sep 12, 2017 9:07 pm
Zxkim81 wrote: Tue Sep 12, 2017 8:58 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
ZX81 Variations
ZX81 Chip Pin-outs
ZX81 Video Transistor Buffer Amp

:!: Standby alert :!:
There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb :!:
Looking forward to summer later in the year.
sirmorris
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Re: A poorly Zeddy

Post by sirmorris »

Still no ATMega. I see an Altera CPLD, that's probably the source of confusion. Very similar name.
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Andy Rea
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Re: A poorly Zeddy

Post by Andy Rea »

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

can you tell what it is yet ?
what's that Smell.... smells like fresh flux and solder fumes...
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PokeMon
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Re: A poorly Zeddy

Post by PokeMon »

A big ULA replacement ?
Okay - you did already in the past.
Hmm - a colour interface ? 8-)
sirmorris
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Joined: Thu May 08, 2008 5:45 pm

Re: A poorly Zeddy

Post by sirmorris »

Unicorn generator?
Subspace communicator?
Tesseract interactor?
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siggi
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Re: A poorly Zeddy

Post by siggi »

A video coprocessor to show a picture without any CPU load? 8-)
My ZX81 web-server: online since 2007, running since dec. 2020 using ZeddyNet hardware
http://zx81.ddns.net/ZxTeaM
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siggi
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Re: A poorly Zeddy

Post by siggi »

A real live memory viewer? :mrgreen:
My ZX81 web-server: online since 2007, running since dec. 2020 using ZeddyNet hardware
http://zx81.ddns.net/ZxTeaM
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1024MAK
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Joined: Mon Sep 26, 2011 10:56 am
Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK »

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

Mark
ZX81 Variations
ZX81 Chip Pin-outs
ZX81 Video Transistor Buffer Amp

:!: Standby alert :!:
There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb :!:
Looking forward to summer later in the year.
User avatar
1024MAK
Posts: 5102
Joined: Mon Sep 26, 2011 10:56 am
Location: Looking forward to summer in Somerset, UK...

Re: A poorly Zeddy

Post by 1024MAK »

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

Mark
ZX81 Variations
ZX81 Chip Pin-outs
ZX81 Video Transistor Buffer Amp

:!: Standby alert :!:
There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb :!:
Looking forward to summer later in the year.
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