mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Libraries/Quartz/sh/screen

   1 ;
   2 ; screen.s
   3 ;
   4 ; Screen mode information caching
   5 ;
   6 ; © 1994-1998 Straylight
   7 ;
   8
   9 ;----- Licensing note -------------------------------------------------------
  10 ;
  11 ; This file is part of Straylight's Quartz library.
  12 ;
  13 ; Quartz is free software; you can redistribute it and/or modify
  14 ; it under the terms of the GNU General Public License as published by
  15 ; the Free Software Foundation; either version 2, or (at your option)
  16 ; any later version.
  17 ;
  18 ; Quartz is distributed in the hope that it will be useful,
  19 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ; GNU General Public License for more details.
  22 ;
  23 ; You should have received a copy of the GNU General Public License
  24 ; along with Quartz.  If not, write to the Free Software Foundation,
  25 ; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 ;----- Overview -------------------------------------------------------------
  28 ;
  29 ; Functions provided:
  30 ;
  31 ;   screen_getInfo
  32 ;   screen_init
  33
  34 ;----- Data offsets ---------------------------------------------------------
  35
  36                 ^       0
  37 screen_xEig     #       4
  38 screen_yEig     #       4
  39 screen_bpp      #       4
  40 screen_width    #       4
  41 screen_height   #       4
  42 screen_dx       #       4
  43 screen_dy       #       4
  44
  45 ;----- Functions provided ---------------------------------------------------
  46
  47 ; --- screen_getInfo ---
  48 ;
  49 ; On entry:     --
  50 ;
  51 ; On exit:      R0 == pointer to screen information block
  52 ;
  53 ; Use:          This call returns a pointer to a block of information
  54 ;               about the current screen modes. The offset for different
  55 ;               bits of data are defined in screen.sh
  56
  57                 IMPORT  screen_getInfo
  58
  59 ; --- screen_init ---
  60 ;
  61 ; On entry:     R12 == pointer to screen workspace
  62 ;
  63 ; On exit:      --
  64 ;
  65 ; Use:          Initialises the screen information caching system
  66
  67                 IMPORT  screen_init
  68
  69 ;----- That's all, folks ----------------------------------------------------
  70
  71                 END