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- Path: sparky!uunet!gatech!paladin.american.edu!news.univie.ac.at!hp4at!mcsun!uknet!acorn!mhardy
- From: mhardy@acorn.co.uk (Michael Hardy)
- Newsgroups: comp.sys.acorn.tech
- Subject: Re: VIDC Programming Question
- Message-ID: <20957@acorn.co.uk>
- Date: 8 Jan 93 10:03:27 GMT
- References: <1993Jan8.051650.17939@newsroom.utas.edu.au>
- Sender: mhardy@acorn.co.uk
- Organization: Acorn Computers Ltd, Cambridge, England
- Lines: 30
-
- In article <1993Jan8.051650.17939@newsroom.utas.edu.au> u894776@postoffice.utas.edu.au (James McCoull) writes:
-
- >Just posting to ask for help on some low level VIDC programming.
- >
- >I'm trying to program the VIDC to generate vsync interrupts after each scan
- >line - for both screen splitting, palette changing and a few other odds and
- >ends. Unfortunately timers are no good for my task, I *must* have real
- >vsyncs. So far I'm having a little trouble due to lack of documentation
- >(anyone know where I can find some documentation on the VIDC chip?
-
- You'll find the info you need in:
-
- Acorn RISC Machine family Data Manual. VLSI Technology Inc. (1990)
- Prentice Hall, Englewood Cliffs, NJ, USA: ISBN 0-13-781618-9
-
- If you quote these details to your local friendly bookshop, they should be
- able to order the manual for you.
-
- (There may by now be a newer version that covers more recent chips such as
- the ARM 600 series, the ARM 250 and the new VIDC. Your local VLSI office
- could probably advise you on this.)
-
- - Michael J Hardy
-
- Technical Publications Email: mhardy@acorn.co.uk
- Acorn Computers Ltd Telephone: +44 223 254352
- Cambridge TechnoPark Fax: +44 223 254270
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- England Disclaimer: All opinions are my own, not Acorn's
-