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Mail Archives: djgpp/1999/03/23/18:11:16

Message-ID: <36F815A9.111631F6@inversereality.org>
From: Justin Deltener <deltener AT inversereality DOT org>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Protected Mode graphics is to hard
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Date: Tue, 23 Mar 1999 16:28:57 -0600
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

You can create a normal char pointer to it if you wish but
you would have to turn off memory protection. As long as you
know what you're doing, it won't be a problem.

void *MK_FP(unsigned short seg, unsigned short ofs)
 {if(!(_crt0_startup_flags & _CRT0_FLAG_NEARPTR))
   if(!__djgpp_nearptr_enable())
	  return (void*)0;
   return (void *)(seg*16+ofs+__djgpp_conventional_base);
 }

char* video_ptr = (char*)MK_FP(0xa000,0);

And a waaaay you go!
-- 
Justin Deltener (deltener AT inversereality DOT org)
HomePage: Inverse Reality (www.inversereality.org)

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