Path: utzoo!attcan!uunet!wuarchive!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!cica!iuvax!rutgers!cbmvax!cbmehq!cbmger!peterk
From: peterk@cbmger.UUCP (Peter Kittel GERMANY)
Newsgroups: comp.sys.amiga
Subject: Re: DCTV from digital creations
Message-ID: <413@cbmger.UUCP>
Date: 14 Sep 90 06:25:01 GMT
References: <4290@crash.cts.com> <1990Sep10.003304.4678@bushido.uucp> <RQB%S}@rpi.edu> <403@cbmger.UUCP> <R-C%N%_@rpi.edu>
Reply-To: peterk@cbmger.UUCP (Peter Kittel GERMANY)
Organization: Commodore Bueromaschinen GmbH, West Germany
Lines: 26

In article <R-C%N%_@rpi.edu> ceej@pawl.rpi.edu (Chris J Hillery) writes:
>>>Isn't DCTV the box which gets 256 screen colors by intercepting a 640x400
>>>16 color screen and combining each pair a pixels (4 bits each) into one
>>>8-bit pixel?  I know there is a box like this. In this case, all well and
>
>On the Amiga's Screen:
>pixel 0: F      pixel 1: 5
>
>    1111 0101    <- binary representation of pixels 0 and 1 in memory
>
>DCTV (or whatever the box was) gets this, and combines them to:
>
>On the DCTV output screen:
>pixel 0:F5    11110101
>
>so this pixel is color F5, or 245. Then it sends this to the monitor, using
>whatever color happens to be in palette slot 245.

Hmm, so they have own Color Lookup Table (CLU) circuitry built into
their device?

Anyone knows facts?

-- 
Best regards, Dr. Peter Kittel  // E-Mail to  \\  Only my personal opinions... 
Commodore Frankfurt, Germany  \X/ {uunet|pyramid|rutgers}!cbmvax!cbmger!peterk