/* Emacs style mode select   -*- C++ -*- */
/*----------------------------------------------------------------------------- */
/* */
/* $Id:$ */
/* */
/* Copyright (C) 1993-1996 by id Software, Inc. */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version 2 */
/* of the License, or (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
/* GNU General Public License for more details. */
/* */
/* DESCRIPTION: */
/*	System specific interface stuff. */
/* */
/*----------------------------------------------------------------------------- */


#ifndef __I_VIDEO__
#define __I_VIDEO__


#include "doomtype.h"

#ifdef __GNUG__
#pragma interface
#endif


/* Called by D_DoomMain, */
/* determines the hardware configuration */
/* and sets up the video mode */
void I_InitGraphics (void);


void I_ShutdownGraphics(void);

/* Takes full 8 bit values. */
void I_SetPalette (byte* palette);

void I_UpdateNoBlit (void);
void I_FinishUpdate (void) __attribute__ ((interrupt_handler));;

/* Wait for vertical retrace or pause a bit. */
void I_WaitVBL(int count);

void I_ReadScreen (byte* scr);

void I_BeginRead (void);
void I_EndRead (void);



#endif
/*----------------------------------------------------------------------------- */
/* */
/* $Log:$ */
/* */
/*----------------------------------------------------------------------------- */
