Re: [stella] Screen shots

Subject: Re: [stella] Screen shots
From: Nick S Bensema <nickb@xxxxxxxxxxxx>
Date: Fri, 16 Jan 1998 12:24:05 -0700 (MST)
>I just ran a couple quickie tests in Quickbasic... had to use 640x480
>rather than 320x400, but I just doubled the pixels horizontally, and the
>vertical difference should be close enough.  Anyways, moving around a
>sprite, displaying it in the venetian-blind style on every frame does look
>better than displaying it on every other frame (if you back up a couple 
>feet, the venetian-blind effect is unnoticeable)... and vertical lines
>Missile Commmand-style also look better on every other line than every
>other frame.  Also, I'm running at the monitor's refresh rate of 72 hz
>rather than TV's 60 hz - the improvement from 30hz flicker to blinds on an
>emulator would be even better than the improvement I got from 36hz flicker
>to blinds.

Perhaps we wouldn't need any more than 320x200 anyway.  Instead of doubling
the pixels to create 160x200, we just switch from venetian blinds to
vertical blinds and put the even-numbered scanlines on even-numbered 
columns.  Piece of cake.


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