beetle-pce-fast-libretro/mednafen/okiadpcm.cpp
2012-06-03 17:48:14 +02:00

50 lines
1.5 KiB
C++

/* Mednafen - Multi-system Emulator
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "mednafen.h"
#include "okiadpcm.h"
#include <math.h>
const int OKIADPCM_StepSizes[49] =
{
// These can also be generated like:
// double start = 16;
// for(int x = 0; x < 49; x++)
// {
// printf("%d, ", (int)start);
// start *= 1.1;
// }
16, 17, 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, 50,
55, 60, 66, 73, 80, 88, 97, 107, 118, 130, 143, 157,
173, 190, 209, 230, 253, 279, 307, 337, 371, 408, 449,
494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552,
};
const int OKIADPCM_StepIndexDeltas[16] =
{
-1, -1, -1, -1, 2, 4, 6, 8,
-1, -1, -1, -1, 2, 4, 6, 8
};
const int32 OKIADPCM_DeltaTable[49][16] =
{
#ifndef OKIADPCM_GENERATE_DELTATABLE
#include "okiadpcm-deltatable.h"
#endif
};