Re: NOVA programming

From: Jo Even Skarstein <joska_at_nuts.edu>
Date: Wed, 15 Apr 1998 08:33:18 +0200

On Sun, 12 Apr 1998, Petr Stehlik wrote:

> perhaps you can help me with my NOVA programming questions: as I write
> to NOVA screen directly, I need to stop updating the screen from other
> applications (multitasking). Is wind_update() all I need?

Yes.

> And how to copy the screen to the NOVA screen as fast as possible -
> just set of move.l or is there a VDI function that is faster?

If you need to copy from/to the videoram, then move.l should be
fastest.

> How to setup the proper colors? Are Falcon TOS functions (XBIOS) patched for
> NOVA? (haven't tried it yet as I use direct VIDEL color HW registers
> currently).

You can use VDI to change the CLUT if you're working in 256 colour
mode. In TC-modes there's ofcourse no need to mess around with setting
colours.


/*
** Jo Even Skarstein http://www.stud.ntnu.no/~josk/
**
** beer - maria mckee - atari falcon - babylon 5
*/
Received on on. april 15 1998 - 08:33:18 CEST

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