Re: A82: Greyscale Mentioned?

To: assembly-82@lists.ticalc.org
Subject: Re: A82: Greyscale Mentioned?
From: ADAMMAN106@aol.com
Date: Wed, 28 Jul 1999 21:24:04 EDT
Delivered-To: assembly-82-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-82@lists.ticalc.org
Reply-To: assembly-82@lists.ticalc.org


In a message dated 7/28/99 9:08:44 PM Eastern Daylight Time, 
j.wazny@ugrad.unimelb.edu.au writes:

> 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.

That's very good, I'll probably end up using your routines over mine

>  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.

That's exactly what I was thinking of doing

>  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

~Adamman