sound/track.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 ; Sequencer track definitions.
  22
  23 .ifndef TRACK_H
  24 .define TRACK_H
  25
  26 .include <common/ptr.h>
  27
  28 .struc order_state
  29 pos         .byte               ; Position in order table
  30 loop_pos    .byte               ; Order loop position
  31 loop_count  .byte               ; Order loop count
  32 .ends
  33
  34 .struc pattern_state
  35 ptr         .ptr                ; Pointer to pattern
  36 pos         .byte               ; Pattern position (byte offset)
  37 loop_count  .byte               ; Pattern loop count
  38 row         .byte               ; Row in pattern
  39 row_count   .byte               ; Number of rows in pattern
  40 row_status  .byte               ; on/off bits
  41 transpose   .byte               ; Note transpose
  42 .ends
  43
  44 ; Structure that describes a sequencer track's state.
  45 .struc track_state
  46 speed               .byte       ; Number of ticks (frames) per row inc
  47 tick                .byte       ; Tick in row
  48 order               .order_state
  49 pattern             .pattern_state
  50 .ends
  51
  52 .endif  ; !TRACK_H