delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1997/07/15/23:37:25

From: leathm AT solwarra DOT gbrmpa DOT gov DOT au (Leath Muller)
Message-Id: <199707160333.NAA02600@solwarra.gbrmpa.gov.au>
Subject: Re: AT&T Assembly, Random Functions
To: kwe1 AT flash DOT net (Joshua Eckstein)
Date: Wed, 16 Jul 1997 13:33:47 +1000 (EST)
Cc: djgpp AT delorie DOT com
In-Reply-To: <5q891u$na8$1@excalibur.flash.net> from "Joshua Eckstein" at Jul 12, 97 10:49:20 am

> I'd also like to know how you can rotate the palette quickly.... Any tips
> or code would help. (Please reply by e-mail at bottom)
 
> void setpal (int index, byte red, byte gre, byte blu)
> {
>    asm ("movw $0x1010, %ax
>          movw $_index, %bx
>          movb $_red, %ch
>          movb $_gre, %cl
>          movb $_blu, %dh
>          int $0x10");
> }

If you want to access your variables that way (in asm with preceding _)
you have to declare red, gre and blu as _global_... 

Leathal.

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019