src/sound/mixer.h

   1 ;
   2 ;    Copyright (C) 2004, 2005 Kent Hansen.
   3 ;
   4 ;    This file is part of Neotoxin.
   5 ;
   6 ;    Neotoxin is free software; you can redistribute it and/or modify
   7 ;    it under the terms of the GNU General Public License as published by
   8 ;    the Free Software Foundation; either version 2 of the License, or
   9 ;    (at your option) any later version.
  10 ;
  11 ;    Neotoxin is distributed in the hope that it will be useful,
  12 ;    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;    GNU General Public License for more details.
  15 ;
  16 ;    You should have received a copy of the GNU General Public License
  17 ;    along with this program; if not, write to the Free Software
  18 ;    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ;
  20
  21 .ifndef MIXER_H
  22 .define MIXER_H
  23
  24 .include "tonal.h"
  25 .include "envelope.h"
  26 .include "sfx.h"
  27 .include "apu.h"
  28
  29 .struc mixer_state
  30 tonals      .tonal_state[4]
  31 envelopes   .envelope_state[4]
  32 sfx         .sfx_state[4]
  33 master_vol  .byte
  34 .ends
  35
  36 ; Exported symbols.
  37 .extrn mixer_tick:proc
  38 .extrn mixer_rese:proct
  39 .ifndef NO_MUTABLE_CHANNELS
  40 .extrn mixer_get_muted_channels:proc
  41 .extrn mixer_set_muted_channels:proc
  42 .endif
  43 .extrn mixer_get_master_vol:proc
  44 .extrn mixer_set_master_vol:proc
  45
  46 .extrn mixer:mixer_state
  47
  48 .endif  ; !MIXER_H