Re: A82: Greyscale Mentioned?


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Re: A82: Greyscale Mentioned?




What is the URL to your page?

Bryan

----- Original Message -----
From: Jeremy Wazny <j.wazny@ugrad.unimelb.edu.au>
To: <assembly-82@lists.ticalc.org>
Sent: Wednesday, July 28, 1999 9:07 PM
Subject: Re: A82: Greyscale Mentioned?


>
>
>
> On Wed, 28 Jul 1999 ADAMMAN106@aol.com wrote:
>
> >
> > In a message dated 7/28/99 1:34:19 AM Eastern Daylight Time,
Jkhum98@aol.com
> > writes:
> >
> > > Ive read that ADAMMAN is using Greyscale for Defiance, and Jeremy is
using
> > it
> > >
> > >  for AgentX... Would y'all mind posting any source code you have on
that?
> > I
> >
> > Jeremy posted his source on his website.  Though I haven't really looked
at
> > the source, I tried out his test programs and it seems to be better
quality
> > grayscale than mine.  Sometime I will probably analyze it and see what
the
> > differences are, but I'm pretty sure we both use interrupt speed to vary
the
> > quality of the grayscale.
> >
>
> Actually, the greyscale stuff on the page is a quite inefficient version,
> given that I had forgotten about the cursor looping back up to the top of
> the display after writing to the bottom row. I have a far better version
> at home which takes advantage of a few more optimizations I came up with,
> as well as being more "customizable". I've more or less identified the
> points in the code where slowing down the routine will produce the best
> results on calcs with different battery-power/display controller quality
> or whatever else may cause it to slip up.
> When my greyscale games are released, there'll probably be some sort of
> routine which allows the user to "tune" the delay times to produce the
> best display.
> I'll try to post the new routine on my page tonight (Aus EST). Also, there
> are a few other functions, such as a vastly improved (compared to the ROM
> call) line drawing routine.
>
> -Jeremy
>
>
>



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