mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Sculptrix/sculptrix/sh/colours

   1 ;
   2 ; colours.sh
   3 ;
   4 ; Colour handling for Sculptrix
   5 ;
   6 ; © 1995-1998 Straylight
   7 ;
   8
   9 ;----- Licensing note -------------------------------------------------------
  10 ;
  11 ; This file is part of Straylight's Sculptrix.
  12 ;
  13 ; Sculptrix 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 ; Sculptrix 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 Sculptrix.  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 ;  colours_read
  32 ;  colours_set
  33
  34                 [       :LNOT::DEF:colours__dfn
  35                 GBLL    colours__dfn
  36
  37 ; --- colours_read ---
  38 ;
  39 ; On entry:     R1 == pointer to icon block
  40 ;
  41 ; On exit:      R0 == foreground in bits 0-3, background in bits 4-7
  42 ;               CS if colours in validation string, and
  43 ;                 R14 == address of colours in there, or 0
  44 ;
  45 ; Use:          Works out colours of an icon.
  46
  47                 IMPORT  colours_read
  48
  49 ; --- colours_set ---
  50 ;
  51 ; On entry:     R1 == pointer to icon /state/ block
  52 ;               R2 == new background colour
  53 ;
  54 ; On exit:      R2 == old background colour
  55 ;
  56 ; Use:          Changes the background colour of an icon.
  57
  58                 IMPORT  colours_set
  59
  60                 ]
  61
  62 ;----- That's all, folks ----------------------------------------------------
  63
  64                 END