[stella] VDEL...

Subject: [stella] VDEL...
From: cybergoth@xxxxxxxx
Date: Fri, 22 Feb 2002 08:34:01 +0100 (CET)
Hi there!

I'm just thinking about something and how it would work...

Assuming I have a 2LK and activate VDEL for both players.

Then I'd do something like this:

Init:

LDA data
STA GRP0
LDA otherdata
STA GRP1

Enterkernel:

Line 1: Do something

Line 2:

STA GRP0 (random value)
STA GRP1 (random value)
...
Do something
...
LDA data
STA GRP0
LDA otherdata
STA GRP1

Loop to Line 1

As you see, my intention is to very quickly 
display the pre-loaded data at the beginning
of the scannline, then having way more time
to preload again.

Now, could that work, or would that 
display rubbish every other line?

I fear it won't work :-)

I fear, I'd have to buffer the right data and load that,
insted of just strobing GRPX.

But that can be done as well, without VDEL...

VDEL must be the most useless thing ever put inside a chip... :-)

Greetings,
     Manuel


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