1 #ifndef GRAPHICS_DISPLAY_H
    2 #define GRAPHICS_DISPLAY_H
    3 
    4 /*
    5 	graphics display control register definitions
    6 
    7 	Copyright © 2002 The MorphOS Development Team, All Rights Reserved.
    8 */
    9 
   10 
   11 #define MODE_640     0x8000
   12 #define PLNCNTMSK    0x7
   13 #define PLNCNTSHFT   12
   14 #define PF2PRI       0x40
   15 #define COLORON      0x0200
   16 #define DBLPF        0x400
   17 #define HOLDNMODIFY  0x800
   18 #define INTERLACE    4
   19 
   20 #define PFA_FINE_SCROLL        0xF
   21 #define PFB_FINE_SCROLL_SHIFT  4
   22 #define PF_FINE_SCROLL_MASK    0xF
   23 
   24 #define DIW_HORIZ_POS          0x7F
   25 #define DIW_VRTCL_POS          0x1FF
   26 #define DIW_VRTCL_POS_SHIFT 7
   27 
   28 #define DFTCH_MASK  0xFF
   29 
   30 #define VPOSRLOF  0x8000
   31 
   32 
   33 #endif /* GRAPHICS_DISPLAY_H */