1 // VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
2 // Copyright (C) 1999-2003 Forgotten
3 // Copyright (C) 2005 Forgotten and the VBA development team
4 
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2, or(at your option)
8 // any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software Foundation,
17 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 
19 
20 #define abs32(value) (value & 0x7FFFFFFF)
21 #define abs16(value) (value & 0x7FFF)
22 
23 const  int	Ymask = 0x00FF0000;
24 const  int	Umask = 0x0000FF00;
25 const  int	Vmask = 0x000000FF;
26 const  int	trY   = 0x00300000;
27 const  int	trU   = 0x00000700;
28 const  int	trV   = 0x00000006;
29 
30 void Interp1(unsigned char * pc, unsigned int c1, unsigned int c2);
31 void Interp2(unsigned char * pc, unsigned int c1, unsigned int c2, unsigned int c3);
32 void Interp3(unsigned char * pc, unsigned int c1, unsigned int c2);
33 void Interp4(unsigned char * pc, unsigned int c1, unsigned int c2, unsigned int c3);
34 void Interp5(unsigned char * pc, unsigned int c1, unsigned int c2);
35 void Interp1_16(unsigned char * pc, unsigned short c1, unsigned short c2);
36 void Interp2_16(unsigned char * pc, unsigned short c1, unsigned short c2, unsigned short c3);
37 void Interp3_16(unsigned char * pc, unsigned short c1, unsigned short c2);
38 void Interp4_16(unsigned char * pc, unsigned short c1, unsigned short c2, unsigned short c3);
39 void Interp5_16(unsigned char * pc, unsigned short c1, unsigned short c2);
40 bool Diff(unsigned int c1, unsigned int c2);
41 unsigned int RGBtoYUV(unsigned int c);
42