IFND    GRAPHICS_DISPLAY_I
GRAPHICS_DISPLAY_I      SET     1
**
**      $Filename: graphics/display.i $
**      $Release: 2.04 Includes, V37.4 $
**      $Revision: 37.0 $
**      $Date: 91/01/07 $
**
**      include define file for display control registers
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
**

* bplcon0 defines
MODE_640    equ   $8000
PLNCNTMSK   equ   $7                * how many bit planes?
*                                   * 0 = none, 1->6 = 1->6, 7 = reserved
PLNCNTSHFT  equ   12                * bits to shift for bplcon0
PF2PRI      equ   $40               * bplcon2 bit
COLORON     equ   $0200     * disable color burst
DBLPF       equ   $400
HOLDNMODIFY equ   $800
INTERLACE   equ   4                 * interlace mode for 400

* bplcon1 defines
PFA_FINE_SCROLL       equ   $F
PFB_FINE_SCROLL_SHIFT equ   4
PF_FINE_SCROLL_MASK   equ   $F

* display window start and stop defines
DIW_HORIZ_POS         equ   $7F     * horizontal start/stop
DIW_VRTCL_POS         equ   $1FF    * vertical start/stop
DIW_VRTCL_POS_SHIFT   equ   7

* Data fetch start/stop horizontal position
DFTCH_MASK            equ   $FF

* vposr bits
VPOSRLOF              equ   $8000

        ENDC    ; GRAPHICS_DISPLAY_I