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(Active projects restored to front page. Index of manufacturers given lower billing.)
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* [[Chips listed by manufacturer]]
* [[Chips listed by manufacturer]]
= Policies =
= Contributing to this wiki =
We have to be vigilant against spammers - please get in touch if we've blocked your account mistakenly.
Please see our [[WikiContributionPolicy|policy page]] before making contributions
All new pages should be protected and watched by the admin team: please open a discussion on a talk page before embarking on major work.  Page name prefixes or sub pages should generally be used to keep the automatic index useful.
We welcome constructive contributions, but please maintain a user page with at least a minimal sketch of your background or interests to help us distinguish real people from vandals.

Revision as of 17:35, 28 January 2011

Welcome to the visualchips wiki. Please see also the site which contains the backstory, useful links, a FAQ, and a link to the project blog.

We're all about reverse-engineering popular chips from the 70's and 80's - initially the 6502 but others too. This wiki is for documenting our findings and recording our sources, and is of course a work in progress.

The online help for our JavaScript simulator is also here, to help you get the most from that. (Note that it's only a switch-level simulator - our data also supports more accurate models. For most purposes, there's no difference.)

Projects and status

  • Atari TIA (Television Interface Adaptor): fully extracted and simulated, no data yet published.
  • Atari ANTIC: layout is in the process of polygon capture or netlist extraction.
    Primary data not yet published, but see these threads.
  • Zilog Z80 CPU: We have photographs of the metal layer, and have started capturing the polygons. No public information yet.
  • Motorola 68000: We have photographs of the metal layer, and have started capturing the polygons.
    The project page contains die photo and shows areas being captured. This chip will need further deprocessing and photography for the lower layers.
  • Sinclair Spectrum ULA: photographed, circuit manually captured, original sources not presently public.
    See Chris Smith's excellent book for ULA background and lots of detail about the Spectrum ULA
  • Acorn Electron ULA: photographed and stitched, nothing online yet
  • Acorn Tube ULA: we have a 'spare' chip, yet to be decapsulated


See status page on our main website.

Contributing to this wiki

Please see our policy page before making contributions

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