Date   : Sun, 22 Sep 2002 19:02:30 +0100
From   : "james watson" <james@...>
Subject: rupture technique



>Is it possible to alter the screen wrap around in mode 2. I.e say you
have 
>altered the screen start address to ex.&5800 when the screen reaches
&7FFF 
>it automatically wraps around back to &3000 to complete the display. Is
it 
>possible to alter this so the screen wraps around  from &7D80 back to 
>&3000.

>Nope. The end of the screen data is always &7FFF. Only the start is 
>adjustable, and not very much (only starts of &3000,&4000,&5800,&6000
are 
>allowed). If you are looking for a static part of a scrolling screen
(such 
>as a scoreboard) that is always at the same address, you will have to
use 
>the rupture technique.

HI again

I thought this was the case (only starts of &3000,&4000,&5800,&6000).
Can you explain what the rupture technique is please?


All the best 

James