From: gienek AT zsk DOT lub DOT pl (gienek)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: VESA mouse problem
Date: Thu, 27 Jun 2002 18:47:26 GMT
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On 27 Jun 2002 13:54:51 GMT, platonman1 AT aol DOT com (Platonman1) wrote:

>I have a problem with the mouse in VESA modes.
>I'm trying to use it in mode 101h (640 * 480 256 colors), using interrupt 33h
>But the coordinates returned arent correct :
>* x goes from 0 to 80
>* y goes from 0 to 25
>Like text mode 03h..
>Anyone can help ??

Try this:

void MouseRange(unsigned int x1,unsigned int y1,unsigned int
x2,unsigned int y2)
{
__dpmi_regs r;
  r.x.ax=7;
  r.x.cx=x1;
  x.dx=x2;
  __dpmi_int(0x33,&r);
  r.x.ax=8;
  r.x.cx=y1;
  r.x.dx=y2;
  __dpmi_int(0x33,&r);
}

to set the range of mouse (like MouseRange(0,0,640,480)).

Gienek.