#ifndef GRAPHICS_DISPLAY_H
#define GRAPHICS_DISPLAY_H
/*
** $Filename: graphics/display.h $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 37.0 $
** $Date: 91/01/07 $
**
** include define file for display control registers
**
** (C) Copyright 1985-1991 Commodore-Amiga, Inc.
** All Rights Reserved
*/


#define MODE_640 0x8000
#define PLNCNTMSK 0x7 
 
#define PLNCNTSHFT 12 
#define PF2PRI 0x40 
#define COLORON 0x0200 
#define DBLPF 0x400
#define HOLDNMODIFY 0x800
#define INTERLACE 4 


#define PFA_FINE_SCROLL 0xF
#define PFB_FINE_SCROLL_SHIFT 4
#define PF_FINE_SCROLL_MASK 0xF


#define DIW_HORIZ_POS 0x7F 
#define DIW_VRTCL_POS 0x1FF 
#define DIW_VRTCL_POS_SHIFT 7


#define DFTCH_MASK 0xFF


#define VPOSRLOF 0x8000

#endif