dk'tronics 4K Graphics ROM

Discussions about Sinclair ZX80 and ZX81 Hardware
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XavSnap
Posts: 762
Joined: Sat May 10, 2008 4:23 pm

Re: dk'tronics 4K Graphics ROM

Post by XavSnap » Wed Jun 15, 2016 1:13 am

Vtr UDG card:
http://zx81.ordi5.free.fr/vtr/
Pictures, PCB, and wiring diagrams: http://zx81.ordi5.free.fr/vtr/download/ ... ECO%5D.pdf
UDG.jpg
UDG.jpg (53.59 KiB) Viewed 714 times

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

Re: dk'tronics 4K Graphics ROM

Post by 1024MAK » Sun Sep 25, 2016 6:24 pm

Schematic:
dk'tronics 4K Graphics PCB schematic.png
dk'tronics 4K Graphics PCB schematic
(201.64 KiB) Downloaded 128 times
dK'tronics 4K Graphics ROM

Here's some pictures of the one that I have:
Image
Image
Image
Image

Mark

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