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| Vintage Computers Any vintage computer systems, calculators, video games etc., but with an emphasis on 1980s and earlier equipment. |
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20th Nov 2022, 3:22 pm
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#1 |
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Hexode
Join Date: Mar 2011
Location: North Yorkshire, UK.
Posts: 431
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Acorn VC2026 serial ULA chip
Free to a good home (Chris O first refusal?) Acorn VC2026 serial ULA chip
I've no means of testing it but its been kept in conductive foam so hopefully should be ok PM please Cheers Phil |
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30th Nov 2022, 4:34 pm
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#2 |
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Hexode
Join Date: Mar 2011
Location: North Yorkshire, UK.
Posts: 431
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Re: Acorn VC2026 serial ULA chip
Stll sorting my stash...
Again free to a good home (Tim first refusal?) Ferranti 2C184E ULA which I think is a ZX81 or Spectrum ULA, I've no means of testing it but its been kept in conductive foam so hopefully should be ok PM please I also found a couple of DP8340N IBM3270 protocol transmitter/encoder chips if they're of any use to anyone Cheers Phil Last edited by Phil__G; 30th Nov 2022 at 4:43 pm. |
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30th Nov 2022, 5:35 pm
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#3 |
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Dekatron
Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 9,517
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Re: Acorn VC2026 serial ULA chip
the 2C184 is a ZX81 ULA - not the late one with the back porch fixed on video unfortunately, but there is a nice little circuit in the public domain from 'zigg' which generates the missing back porch and there are PCBs available for that mod, which are intended to replace the innards of the modulator and provide properly formed composite out.
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1st Dec 2022, 5:43 pm
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#4 |
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Octode
Join Date: Mar 2019
Location: Barry, Vale of Glamorgan, Wales, UK.
Posts: 1,260
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Re: Acorn VC2026 serial ULA chip
Oh yes please I managed to blow my 2C184 on my original ZX81 fitting a composite and back porch spider addon...
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1st Dec 2022, 8:57 pm
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#5 |
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Hexode
Join Date: Mar 2011
Location: North Yorkshire, UK.
Posts: 431
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Re: Acorn VC2026 serial ULA chip
On its way....
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