Re: [stella] Demo...

Subject: Re: [stella] Demo...
From: emooney@xxxxxxxxxxxxxxxx (Erik Mooney)
Date: Thu, 04 Jun 1998 16:18:31 GMT
>I've been looking into supporting this, however, i'm a little confused.
>When I run ESCAPE.BIN under Stella the screen stretches just like a
>real 2600, however, when I run it under PCAE the screen doesn't get 
>stretched.
>
>To try and figure this out I wrote a little test program to hit WSYNC
>at various cycles.  What I found out is that if WSYNC is hit at cycle
>76, the last cycle of the scanline, then no stretching occurs.  If 
>WSYNC is hit at cycle 77 then stretching occurs.  
>
>Do this seem correct?  If so Stella already supports it...
>
>Brad
>
>P.S. When I say hit at cycle 76 that means that the STA Wsync started at
>     cycle 73

You mean that, if STA WSYNC begins on cycle 73, it will catch the end of
the current line? I coulda sworn my experiment showed that it wouldn't.

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