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From: rjc@geech.gnu.ai.mit.edu (Ray Cromwell)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Amiga Video Lamers was Re: (Video) Hardware Idiots ?
Message-ID: <1991Jun11.012317.20038@mintaka.lcs.mit.edu>
Date: 11 Jun 91 01:23:17 GMT
References: <1991Jun8.234020.29594@marlin.jcu.edu.au> <rkushner.6543@sycom.UUCP> <1991Jun10.034749.17738@marlin.jcu.edu.au>
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In article <1991Jun10.034749.17738@marlin.jcu.edu.au> cpca@marlin.jcu.edu.au (Colin Adams) writes:
>Why did C= waste time developing Productivity when they could have
>bought flixer-fixers instead, and started on a real chip set ?

  My guess is, they didn't waste time. Here's what I think happened.
C= engineer#1: "We just added all these really cool features to the Denise
like programmable scan rates and genlocking any color register."
C= engineer#2: "Hmm, using the Denise's new programmability we can
easy add modes for 640x480 deinterlaced, 1280x200 non interlace, 640x960
interlaced and some other stuff."
C= engineer#1: "Good idea, a non-interlaced display done by software.
WHat a nice enhancement for A500/2000 users with no added cost to C= "

  Ok, so it didn't happen like that, but judging from the other modes
(1280x200, 640x960, 1280x400 interlaced) C= added a new pixel rate,
and someone figured out using this new pixel rate you can create
a multitude of new screen modes done totally in software.

  My point is, if you can squeeze out some extra functionality, why not?
It's free.

 BTW, productivety mode is equivelent to a 16 color hi-res screen. 
A productivety screen in mono mode would give you the speed of a 4color
workbench. 

 The new denise is still a nice improvement with it's genlocking
and chromakey to any color register. Congrads to the chip design
people. (Bob <I forget his last name> at LSI design department?)


>
>
>
>
>
>-- 
>Colin Adams                                  
>Computer Science Department                     James Cook University 
>Internet : cpca@marlin.jcu.edu.au               North Queensland
>'And on the eighth day, God created Manchester'


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