Files
ZSNES/zsnes/src/chips/dsp1emu.c
2003-07-30 19:15:38 +00:00

1516 lines
44 KiB
C

//Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#define __ZSNES__
#if (defined __ZSNES__ && __LINUX__)
#include "../gblhdr.h"
#else
#include <stdio.h>
#include <stdarg.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#endif
//#define DebugDSP1
// uncomment some lines to test
//#define printinfo
//#define debug02
//#define debug0A
//#define debug06
#define __OPT__
#define __OPT01__
#define __OPT02__
//#define __OPT04__
#define __OPT06__
#define __OPT0C__ // this optimisation may break pilotwings
#define __OPT11__
#define __OPT21__
#define __OPT1C__
#ifdef DebugDSP1
FILE * LogFile = NULL;
void Log_Message (char *Message, ...)
{
char Msg[400];
va_list ap;
va_start(ap,Message);
vsprintf(Msg,Message,ap );
va_end(ap);
strcat(Msg,"\r\n\0");
fwrite(Msg,strlen(Msg),1,LogFile);
fflush (LogFile);
}
void Start_Log (void)
{
char LogFileName[255];
// [4/15/2001] char *p;
strcpy(LogFileName,"dsp1emu.log\0");
LogFile = fopen(LogFileName,"wb");
}
void Stop_Log (void)
{
if (LogFile)
{
fclose(LogFile);
LogFile = NULL;
}
}
#endif
const unsigned short DSP1ROM[1024] = {
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020,
0x0040, 0x0080, 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000,
0x4000, 0x7fff, 0x4000, 0x2000, 0x1000, 0x0800, 0x0400, 0x0200,
0x0100, 0x0080, 0x0040, 0x0020, 0x0001, 0x0008, 0x0004, 0x0002,
0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x8000, 0xffe5, 0x0100, 0x7fff, 0x7f02, 0x7e08,
0x7d12, 0x7c1f, 0x7b30, 0x7a45, 0x795d, 0x7878, 0x7797, 0x76ba,
0x75df, 0x7507, 0x7433, 0x7361, 0x7293, 0x71c7, 0x70fe, 0x7038,
0x6f75, 0x6eb4, 0x6df6, 0x6d3a, 0x6c81, 0x6bca, 0x6b16, 0x6a64,
0x69b4, 0x6907, 0x685b, 0x67b2, 0x670b, 0x6666, 0x65c4, 0x6523,
0x6484, 0x63e7, 0x634c, 0x62b3, 0x621c, 0x6186, 0x60f2, 0x6060,
0x5fd0, 0x5f41, 0x5eb5, 0x5e29, 0x5d9f, 0x5d17, 0x5c91, 0x5c0c,
0x5b88, 0x5b06, 0x5a85, 0x5a06, 0x5988, 0x590b, 0x5890, 0x5816,
0x579d, 0x5726, 0x56b0, 0x563b, 0x55c8, 0x5555, 0x54e4, 0x5474,
0x5405, 0x5398, 0x532b, 0x52bf, 0x5255, 0x51ec, 0x5183, 0x511c,
0x50b6, 0x5050, 0x4fec, 0x4f89, 0x4f26, 0x4ec5, 0x4e64, 0x4e05,
0x4da6, 0x4d48, 0x4cec, 0x4c90, 0x4c34, 0x4bda, 0x4b81, 0x4b28,
0x4ad0, 0x4a79, 0x4a23, 0x49cd, 0x4979, 0x4925, 0x48d1, 0x487f,
0x482d, 0x47dc, 0x478c, 0x473c, 0x46ed, 0x469f, 0x4651, 0x4604,
0x45b8, 0x456c, 0x4521, 0x44d7, 0x448d, 0x4444, 0x43fc, 0x43b4,
0x436d, 0x4326, 0x42e0, 0x429a, 0x4255, 0x4211, 0x41cd, 0x4189,
0x4146, 0x4104, 0x40c2, 0x4081, 0x4040, 0x3fff, 0x41f7, 0x43e1,
0x45bd, 0x478d, 0x4951, 0x4b0b, 0x4cbb, 0x4e61, 0x4fff, 0x5194,
0x5322, 0x54a9, 0x5628, 0x57a2, 0x5914, 0x5a81, 0x5be9, 0x5d4a,
0x5ea7, 0x5fff, 0x6152, 0x62a0, 0x63ea, 0x6530, 0x6672, 0x67b0,
0x68ea, 0x6a20, 0x6b53, 0x6c83, 0x6daf, 0x6ed9, 0x6fff, 0x7122,
0x7242, 0x735f, 0x747a, 0x7592, 0x76a7, 0x77ba, 0x78cb, 0x79d9,
0x7ae5, 0x7bee, 0x7cf5, 0x7dfa, 0x7efe, 0x7fff, 0x0000, 0x0324,
0x0647, 0x096a, 0x0c8b, 0x0fab, 0x12c8, 0x15e2, 0x18f8, 0x1c0b,
0x1f19, 0x2223, 0x2528, 0x2826, 0x2b1f, 0x2e11, 0x30fb, 0x33de,
0x36ba, 0x398c, 0x3c56, 0x3f17, 0x41ce, 0x447a, 0x471c, 0x49b4,
0x4c3f, 0x4ebf, 0x5133, 0x539b, 0x55f5, 0x5842, 0x5a82, 0x5cb4,
0x5ed7, 0x60ec, 0x62f2, 0x64e8, 0x66cf, 0x68a6, 0x6a6d, 0x6c24,
0x6dca, 0x6f5f, 0x70e2, 0x7255, 0x73b5, 0x7504, 0x7641, 0x776c,
0x7884, 0x798a, 0x7a7d, 0x7b5d, 0x7c29, 0x7ce3, 0x7d8a, 0x7e1d,
0x7e9d, 0x7f09, 0x7f62, 0x7fa7, 0x7fd8, 0x7ff6, 0x7fff, 0x7ff6,
0x7fd8, 0x7fa7, 0x7f62, 0x7f09, 0x7e9d, 0x7e1d, 0x7d8a, 0x7ce3,
0x7c29, 0x7b5d, 0x7a7d, 0x798a, 0x7884, 0x776c, 0x7641, 0x7504,
0x73b5, 0x7255, 0x70e2, 0x6f5f, 0x6dca, 0x6c24, 0x6a6d, 0x68a6,
0x66cf, 0x64e8, 0x62f2, 0x60ec, 0x5ed7, 0x5cb4, 0x5a82, 0x5842,
0x55f5, 0x539b, 0x5133, 0x4ebf, 0x4c3f, 0x49b4, 0x471c, 0x447a,
0x41ce, 0x3f17, 0x3c56, 0x398c, 0x36ba, 0x33de, 0x30fb, 0x2e11,
0x2b1f, 0x2826, 0x2528, 0x2223, 0x1f19, 0x1c0b, 0x18f8, 0x15e2,
0x12c8, 0x0fab, 0x0c8b, 0x096a, 0x0647, 0x0324, 0x7fff, 0x7ff6,
0x7fd8, 0x7fa7, 0x7f62, 0x7f09, 0x7e9d, 0x7e1d, 0x7d8a, 0x7ce3,
0x7c29, 0x7b5d, 0x7a7d, 0x798a, 0x7884, 0x776c, 0x7641, 0x7504,
0x73b5, 0x7255, 0x70e2, 0x6f5f, 0x6dca, 0x6c24, 0x6a6d, 0x68a6,
0x66cf, 0x64e8, 0x62f2, 0x60ec, 0x5ed7, 0x5cb4, 0x5a82, 0x5842,
0x55f5, 0x539b, 0x5133, 0x4ebf, 0x4c3f, 0x49b4, 0x471c, 0x447a,
0x41ce, 0x3f17, 0x3c56, 0x398c, 0x36ba, 0x33de, 0x30fb, 0x2e11,
0x2b1f, 0x2826, 0x2528, 0x2223, 0x1f19, 0x1c0b, 0x18f8, 0x15e2,
0x12c8, 0x0fab, 0x0c8b, 0x096a, 0x0647, 0x0324, 0x0000, 0xfcdc,
0xf9b9, 0xf696, 0xf375, 0xf055, 0xed38, 0xea1e, 0xe708, 0xe3f5,
0xe0e7, 0xdddd, 0xdad8, 0xd7da, 0xd4e1, 0xd1ef, 0xcf05, 0xcc22,
0xc946, 0xc674, 0xc3aa, 0xc0e9, 0xbe32, 0xbb86, 0xb8e4, 0xb64c,
0xb3c1, 0xb141, 0xaecd, 0xac65, 0xaa0b, 0xa7be, 0xa57e, 0xa34c,
0xa129, 0x9f14, 0x9d0e, 0x9b18, 0x9931, 0x975a, 0x9593, 0x93dc,
0x9236, 0x90a1, 0x8f1e, 0x8dab, 0x8c4b, 0x8afc, 0x89bf, 0x8894,
0x877c, 0x8676, 0x8583, 0x84a3, 0x83d7, 0x831d, 0x8276, 0x81e3,
0x8163, 0x80f7, 0x809e, 0x8059, 0x8028, 0x800a, 0x6488, 0x0080,
0x03ff, 0x0116, 0x0002, 0x0080, 0x4000, 0x3fd7, 0x3faf, 0x3f86,
0x3f5d, 0x3f34, 0x3f0c, 0x3ee3, 0x3eba, 0x3e91, 0x3e68, 0x3e40,
0x3e17, 0x3dee, 0x3dc5, 0x3d9c, 0x3d74, 0x3d4b, 0x3d22, 0x3cf9,
0x3cd0, 0x3ca7, 0x3c7f, 0x3c56, 0x3c2d, 0x3c04, 0x3bdb, 0x3bb2,
0x3b89, 0x3b60, 0x3b37, 0x3b0e, 0x3ae5, 0x3abc, 0x3a93, 0x3a69,
0x3a40, 0x3a17, 0x39ee, 0x39c5, 0x399c, 0x3972, 0x3949, 0x3920,
0x38f6, 0x38cd, 0x38a4, 0x387a, 0x3851, 0x3827, 0x37fe, 0x37d4,
0x37aa, 0x3781, 0x3757, 0x372d, 0x3704, 0x36da, 0x36b0, 0x3686,
0x365c, 0x3632, 0x3609, 0x35df, 0x35b4, 0x358a, 0x3560, 0x3536,
0x350c, 0x34e1, 0x34b7, 0x348d, 0x3462, 0x3438, 0x340d, 0x33e3,
0x33b8, 0x338d, 0x3363, 0x3338, 0x330d, 0x32e2, 0x32b7, 0x328c,
0x3261, 0x3236, 0x320b, 0x31df, 0x31b4, 0x3188, 0x315d, 0x3131,
0x3106, 0x30da, 0x30ae, 0x3083, 0x3057, 0x302b, 0x2fff, 0x2fd2,
0x2fa6, 0x2f7a, 0x2f4d, 0x2f21, 0x2ef4, 0x2ec8, 0x2e9b, 0x2e6e,
0x2e41, 0x2e14, 0x2de7, 0x2dba, 0x2d8d, 0x2d60, 0x2d32, 0x2d05,
0x2cd7, 0x2ca9, 0x2c7b, 0x2c4d, 0x2c1f, 0x2bf1, 0x2bc3, 0x2b94,
0x2b66, 0x2b37, 0x2b09, 0x2ada, 0x2aab, 0x2a7c, 0x2a4c, 0x2a1d,
0x29ed, 0x29be, 0x298e, 0x295e, 0x292e, 0x28fe, 0x28ce, 0x289d,
0x286d, 0x283c, 0x280b, 0x27da, 0x27a9, 0x2777, 0x2746, 0x2714,
0x26e2, 0x26b0, 0x267e, 0x264c, 0x2619, 0x25e7, 0x25b4, 0x2581,
0x254d, 0x251a, 0x24e6, 0x24b2, 0x247e, 0x244a, 0x2415, 0x23e1,
0x23ac, 0x2376, 0x2341, 0x230b, 0x22d6, 0x229f, 0x2269, 0x2232,
0x21fc, 0x21c4, 0x218d, 0x2155, 0x211d, 0x20e5, 0x20ad, 0x2074,
0x203b, 0x2001, 0x1fc7, 0x1f8d, 0x1f53, 0x1f18, 0x1edd, 0x1ea1,
0x1e66, 0x1e29, 0x1ded, 0x1db0, 0x1d72, 0x1d35, 0x1cf6, 0x1cb8,
0x1c79, 0x1c39, 0x1bf9, 0x1bb8, 0x1b77, 0x1b36, 0x1af4, 0x1ab1,
0x1a6e, 0x1a2a, 0x19e6, 0x19a1, 0x195c, 0x1915, 0x18ce, 0x1887,
0x183f, 0x17f5, 0x17ac, 0x1761, 0x1715, 0x16c9, 0x167c, 0x162e,
0x15df, 0x158e, 0x153d, 0x14eb, 0x1497, 0x1442, 0x13ec, 0x1395,
0x133c, 0x12e2, 0x1286, 0x1228, 0x11c9, 0x1167, 0x1104, 0x109e,
0x1036, 0x0fcc, 0x0f5f, 0x0eef, 0x0e7b, 0x0e04, 0x0d89, 0x0d0a,
0x0c86, 0x0bfd, 0x0b6d, 0x0ad6, 0x0a36, 0x098d, 0x08d7, 0x0811,
0x0736, 0x063e, 0x0519, 0x039a, 0x0000, 0x7fff, 0x0100, 0x0080,
0x021d, 0x00c8, 0x00ce, 0x0048, 0x0a26, 0x277a, 0x00ce, 0x6488,
0x14ac, 0x0001, 0x00f9, 0x00fc, 0x00ff, 0x00fc, 0x00f9, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff};
/***************************************************************************\
* Math tables *
\***************************************************************************/
#define INCR 2048
#define Angle(x) (((x)/(65536/INCR)) & (INCR-1))
#define Cos(x) ((double) CosTable2[x])
#define Sin(x) ((double) SinTable2[x])
#undef PI
#define PI 3.1415926535897932384626433832795
double CosTable2[INCR];
double SinTable2[INCR];
double Atan(double x)
{
if ((x>=1) || (x<=1))
return (x/(1+0.28*x*x));
else
return (PI/2 - Atan(1/x));
}
#ifdef __ZSNES__
/***************************************************************************\
* C4 C code *
\***************************************************************************/
short C4WFXVal;
short C4WFYVal;
short C4WFZVal;
short C4WFX2Val;
short C4WFY2Val;
short C4WFDist;
short C4WFScale;
double tanval;
double c4x,c4y,c4z;
double c4x2,c4y2,c4z2;
void C4TransfWireFrame()
{
c4x=(double)C4WFXVal;
c4y=(double)C4WFYVal;
c4z=(double)C4WFZVal-0x95;
// Rotate X
tanval=-(double)C4WFX2Val*PI*2/128;
c4y2=c4y*cos(tanval)-c4z*sin(tanval);
c4z2=c4y*sin(tanval)+c4z*cos(tanval);
// Rotate Y
tanval=-(double)C4WFY2Val*PI*2/128;
c4x2=c4x*cos(tanval)+c4z2*sin(tanval);
c4z=c4x*-sin(tanval)+c4z2*cos(tanval);
// Rotate Z
tanval=-(double)C4WFDist*PI*2/128;
c4x=c4x2*cos(tanval)-c4y2*sin(tanval);
c4y=c4x2*sin(tanval)+c4y2*cos(tanval);
// Scale
C4WFXVal=(short)(c4x*C4WFScale/(0x90*(c4z+0x95))*0x95);
C4WFYVal=(short)(c4y*C4WFScale/(0x90*(c4z+0x95))*0x95);
}
void C4TransfWireFrame2()
{
c4x=(double)C4WFXVal;
c4y=(double)C4WFYVal;
c4z=(double)C4WFZVal;
// Rotate X
tanval=-(double)C4WFX2Val*PI*2/128;
c4y2=c4y*cos(tanval)-c4z*sin(tanval);
c4z2=c4y*sin(tanval)+c4z*cos(tanval);
// Rotate Y
tanval=-(double)C4WFY2Val*PI*2/128;
c4x2=c4x*cos(tanval)+c4z2*sin(tanval);
c4z=c4x*-sin(tanval)+c4z2*cos(tanval);
// Rotate Z
tanval=-(double)C4WFDist*PI*2/128;
c4x=c4x2*cos(tanval)-c4y2*sin(tanval);
c4y=c4x2*sin(tanval)+c4y2*cos(tanval);
// Scale
C4WFXVal=(short)(c4x*C4WFScale/0x100);
C4WFYVal=(short)(c4y*C4WFScale/0x100);
}
void C4CalcWireFrame()
{
C4WFXVal=C4WFX2Val-C4WFXVal;
C4WFYVal=C4WFY2Val-C4WFYVal;
if (abs(C4WFXVal)>abs(C4WFYVal)){
C4WFDist=abs(C4WFXVal)+1;
C4WFYVal=(256*(long)C4WFYVal)/abs(C4WFXVal);
if (C4WFXVal<0) C4WFXVal=-256;
else C4WFXVal=256;
}
else
if (C4WFYVal!=0) {
C4WFDist=abs(C4WFYVal)+1;
C4WFXVal=(256*(long)C4WFXVal)/abs(C4WFYVal);
if (C4WFYVal<0) C4WFYVal=-256;
else C4WFYVal=256;
}
else C4WFDist=0;
}
short C41FXVal;
short C41FYVal;
short C41FAngleRes;
short C41FDist;
short C41FDistVal;
void C4Op1F()
{
if (C41FXVal == 0) {
if (C41FYVal>0) C41FAngleRes=0x80;
else C41FAngleRes=0x180;
}
else {
tanval = ((double)C41FYVal)/((double)C41FXVal);
C41FAngleRes=(short)(atan(tanval)/(PI*2)*512);
C41FAngleRes=C41FAngleRes;
if (C41FXVal<0) C41FAngleRes+=0x100;
C41FAngleRes&=0x1FF;
}
}
void C4Op15()
{
tanval=sqrt(((double)C41FYVal)*((double)C41FYVal)+((double)C41FXVal)*
((double)C41FXVal));
C41FDist=(short)tanval;
}
void C4Op0D()
{
tanval=sqrt(((double)C41FYVal)*((double)C41FYVal)+((double)C41FXVal)*
((double)C41FXVal));
tanval=(double)C41FDistVal/tanval;
C41FYVal=(short)(((double)C41FYVal*tanval)*0.99);
C41FXVal=(short)(((double)C41FXVal*tanval)*0.98);
}
#endif
/***************************************************************************\
* DSP1 code *
\***************************************************************************/
void InitDSP(void)
{
#ifdef __OPT__
unsigned int i;
// CosTable2 = (double *) malloc(INCR*sizeof(double));
// SinTable2 = (double *) malloc(INCR*sizeof(double));
for (i=0; i<INCR; i++){
CosTable2[i] = (cos((double)(2*PI*i/INCR)));
SinTable2[i] = (sin((double)(2*PI*i/INCR)));
}
#endif
#ifdef DebugDSP1
Start_Log();
#endif
}
short Op00Multiplicand; // int16
short Op00Multiplier; // int16
short Op00Result; // int16
void DSPOp00()
{
// Use the shift 15, don't divide by 32768, it doesn't round the same.
// This expression is bit accurate to DSP1B on MSVC 6.
Op00Result=Op00Multiplicand*Op00Multiplier >> 15;
#ifdef DebugDSP1
Log_Message("OP00 MULT %d*%d/32768=%d",Op00Multiplicand,Op00Multiplier,Op00Result);
#endif
}
short Op20Multiplicand; // int16
short Op20Multiplier; // int16
short Op20Result; // int16
void DSPOp20()
{
// Use the shift 15, don't divide by 32768, it doesn't round the same.
// This expression is bit accurate to DSP1B on MSVC 6.
Op20Result=Op20Multiplicand*Op20Multiplier >> 15;
Op20Result++;
#ifdef DebugDSP1
Log_Message("OP20 MULT %d*%d/32768=%d",Op20Multiplicand,Op20Multiplier,Op20Result);
#endif
}
signed short Op10Coefficient;
signed short Op10Exponent;
signed short Op10CoefficientR;
signed short Op10ExponentR;
//float Op10Temp;
short InvTable[128] = {
0x7fff, 0x7f02, 0x7e08, 0x7d12, 0x7c1f, 0x7b30, 0x7a45, 0x795d,
0x7878, 0x7797, 0x76ba, 0x75df, 0x7507, 0x7433, 0x7361, 0x7293,
0x71c7, 0x70fe, 0x7038, 0x6f75, 0x6eb4, 0x6df6, 0x6d3a, 0x6c81,
0x6bca, 0x6b16, 0x6a64, 0x69b4, 0x6907, 0x685b, 0x67b2, 0x670b,
0x6666, 0x65c4, 0x6523, 0x6484, 0x63e7, 0x634c, 0x62b3, 0x621c,
0x6186, 0x60f2, 0x6060, 0x5fd0, 0x5f41, 0x5eb5, 0x5e29, 0x5d9f,
0x5d17, 0x5c91, 0x5c0c, 0x5b88, 0x5b06, 0x5a85, 0x5a06, 0x5988,
0x590b, 0x5890, 0x5816, 0x579d, 0x5726, 0x56b0, 0x563b, 0x55c8,
0x5555, 0x54e4, 0x5474, 0x5405, 0x5398, 0x532b, 0x52bf, 0x5255,
0x51ec, 0x5183, 0x511c, 0x50b6, 0x5050, 0x4fec, 0x4f89, 0x4f26,
0x4ec5, 0x4e64, 0x4e05, 0x4da6, 0x4d48, 0x4cec, 0x4c90, 0x4c34,
0x4bda, 0x4b81, 0x4b28, 0x4ad0, 0x4a79, 0x4a23, 0x49cd, 0x4979,
0x4925, 0x48d1, 0x487f, 0x482d, 0x47dc, 0x478c, 0x473c, 0x46ed,
0x469f, 0x4651, 0x4604, 0x45b8, 0x456c, 0x4521, 0x44d7, 0x448d,
0x4444, 0x43fc, 0x43b4, 0x436d, 0x4326, 0x42e0, 0x429a, 0x4255,
0x4211, 0x41cd, 0x4189, 0x4146, 0x4104, 0x40c2, 0x4081, 0x4040};
void DSP1_Inverse(short Coefficient, short Exponent, short *iCoefficient, short *iExponent)
{
// Step One: Division by Zero
if (Coefficient == 0x0000)
{
*iCoefficient = 0x7fff;
*iExponent = 0x002f;
}
else
{
short Sign = 1;
// Step Two: Remove Sign
if (Coefficient < 0)
{
if (Coefficient < -32767) Coefficient = -32767;
Coefficient = -Coefficient;
Sign = -1;
}
// Step Three: Normalize
while (Coefficient < 0x4000)
{
Coefficient <<= 1;
Exponent--;
}
// Step Four: Special Case
if (Coefficient == 0x4000)
if (Sign == 1) *iCoefficient = 0x7fff;
else {
*iCoefficient = -0x4000;
Exponent--;
}
else {
// Step Five: Initial Guess
short i = InvTable[(Coefficient - 0x4000) >> 7];
// Step Six: Iterate "estimated" Newton's Method
i = (i << 1) + (((-i * ((Coefficient * i) >> 15)) >> 15) << 1);
i = (i << 1) + (((-i * ((Coefficient * i) >> 15)) >> 15) << 1);
*iCoefficient = i * Sign;
}
*iExponent = 1 - Exponent;
}
}
void DSPOp10()
{
DSP1_Inverse(Op10Coefficient, Op10Exponent, &Op10CoefficientR, &Op10ExponentR);
#ifdef DebugDSP1
Log_Message("OP10 INV %d*2^%d = %d*2^%d", Op10Coefficient, Op10Exponent, Op10CoefficientR, Op10ExponentR);
#endif
}
short Op04Angle;
short Op04Radius; // This is signed
short Op04Sin;
short Op04Cos;
short MulTable[256] = {
0, 3, 6, 9, 12, 15, 18, 21,
25, 28, 31, 34, 37, 40, 43, 47,
50, 53, 56, 59, 62, 65, 69, 72,
75, 78, 81, 84, 87, 91, 94, 97,
100, 103, 106, 109, 113, 116, 119, 122,
125, 128, 131, 135, 138, 141, 144, 147,
150, 153, 157, 160, 163, 166, 169, 172,
175, 179, 182, 185, 188, 191, 194, 197,
201, 204, 207, 210, 213, 216, 219, 223,
226, 229, 232, 235, 238, 241, 245, 248,
251, 254, 257, 260, 263, 267, 270, 273,
276, 279, 282, 285, 289, 292, 295, 298,
301, 304, 307, 311, 314, 317, 320, 323,
326, 329, 333, 336, 339, 342, 345, 348,
351, 355, 358, 361, 364, 367, 370, 373,
376, 380, 383, 386, 389, 392, 395, 398,
402, 405, 408, 411, 414, 417, 420, 424,
427, 430, 433, 436, 439, 442, 446, 449,
452, 455, 458, 461, 464, 468, 471, 474,
477, 480, 483, 486, 490, 493, 496, 499,
502, 505, 508, 512, 515, 518, 521, 524,
527, 530, 534, 537, 540, 543, 546, 549,
552, 556, 559, 562, 565, 568, 571, 574,
578, 581, 584, 587, 590, 593, 596, 600,
603, 606, 609, 612, 615, 618, 622, 625,
628, 631, 634, 637, 640, 644, 647, 650,
653, 656, 659, 662, 666, 669, 672, 675,
678, 681, 684, 688, 691, 694, 697, 700,
703, 706, 710, 713, 716, 719, 722, 725,
728, 731, 735, 738, 741, 744, 747, 750,
753, 757, 760, 763, 766, 769, 772, 775,
779, 782, 785, 788, 791, 794, 797, 801};
short SinTable[256] = {
0, 804, 1607, 2410, 3211, 4011, 4808, 5602,
6392, 7179, 7961, 8739, 9512, 10278, 11039, 11793,
12539, 13278, 14010, 14732, 15446, 16151, 16846, 17530,
18204, 18868, 19519, 20159, 20787, 21403, 22005, 22594,
23170, 23732, 24279, 24812, 25330, 25832, 26319, 26790,
27245, 27684, 28106, 28511, 28898, 29269, 29621, 29956,
30273, 30572, 30852, 31114, 31357, 31581, 31785, 31971,
32138, 32285, 32413, 32521, 32610, 32679, 32728, 32758,
32767, 32758, 32728, 32679, 32610, 32521, 32413, 32285,
32138, 31971, 31785, 31581, 31357, 31114, 30852, 30572,
30273, 29956, 29621, 29269, 28898, 28511, 28106, 27684,
27245, 26790, 26319, 25832, 25330, 24812, 24279, 23732,
23170, 22594, 22005, 21403, 20787, 20159, 19519, 18868,
18204, 17530, 16846, 16151, 15446, 14732, 14010, 13278,
12539, 11793, 11039, 10278, 9512, 8739, 7961, 7179,
6392, 5602, 4808, 4011, 3211, 2410, 1607, 804,
0, -804, -1607, -2410, -3211, -4011, -4808, -5602,
-6392, -7179, -7961, -8739, -9512, -10278, -11039, -11793,
-12539, -13278, -14010, -14732, -15446, -16151, -16846, -17530,
-18204, -18868, -19519, -20159, -20787, -21403, -22005, -22594,
-23170, -23732, -24279, -24812, -25330, -25832, -26319, -26790,
-27245, -27684, -28106, -28511, -28898, -29269, -29621, -29956,
-30273, -30572, -30852, -31114, -31357, -31581, -31785, -31971,
-32138, -32285, -32413, -32521, -32610, -32679, -32728, -32758,
-32767, -32758, -32728, -32679, -32610, -32521, -32413, -32285,
-32138, -31971, -31785, -31581, -31357, -31114, -30852, -30572,
-30273, -29956, -29621, -29269, -28898, -28511, -28106, -27684,
-27245, -26790, -26319, -25832, -25330, -24812, -24279, -23732,
-23170, -22594, -22005, -21403, -20787, -20159, -19519, -18868,
-18204, -17530, -16846, -16151, -15446, -14732, -14010, -13278,
-12539, -11793, -11039, -10278, -9512, -8739, -7961, -7179,
-6392, -5602, -4808, -4011, -3211, -2410, -1607, -804};
#define Lo(x) (x & 0xff)
#define Hi(x) (x >> 8)
short SinInt(short Angle)
{
if (Angle == -32768)
return 0;
if (Angle < 0)
return -SinInt(-Angle);
else
{
int S = SinTable[Hi(Angle)] + ((MulTable[Lo(Angle)] * SinTable[Hi((Angle + 0x4000))]) >> 15);
if (S > 32767)
S = 32767;
if (S < -32768)
S = -32767;
return (short) S;
}
}
short CosInt(short Angle)
{
int S;
if (Angle == -32768) return -32768;
if (Angle < 0) Angle = -Angle;
S = SinTable[Hi((Angle + 0x4000))] - ((MulTable[Lo(Angle)] * (-SinTable[Hi((Angle + 0x8000))])) >> 15);
if (S > 32767)
S = 32767;
if (S < -32768)
S = -32767;
return (short) S;
}
void DSPOp04()
{
Op04Sin = SinInt(Op04Angle) * Op04Radius >> 15;
Op04Cos = CosInt(Op04Angle) * Op04Radius >> 15;
}
short Op0CA; // Angles are signed
short Op0CX1;
short Op0CY1;
short Op0CX2;
short Op0CY2;
void DSPOp0C()
{
Op0CX2 = (Op0CY1 * SinInt(Op0CA) >> 15) + (Op0CX1 * CosInt(Op0CA) >> 15);
Op0CY2 = (Op0CY1 * CosInt(Op0CA) >> 15) - (Op0CX1 * SinInt(Op0CA) >> 15);
}
short Op02FX;
short Op02FY;
short Op02FZ;
short Op02LFE;
short Op02LES;
unsigned short Op02AAS;
unsigned short Op02AZS;
unsigned short Op02VOF;
unsigned short Op02VVA;
short Op02CX;
short Op02CY;
double Op02CXF;
double Op02CYF;
double ViewerX0;
double ViewerY0;
double ViewerZ0;
double ViewerX1;
double ViewerY1;
double ViewerZ1;
double ViewerX;
double ViewerY;
double ViewerZ;
int ViewerAX;
int ViewerAY;
int ViewerAZ;
double NumberOfSlope;
double ScreenX;
double ScreenY;
double ScreenZ;
double TopLeftScreenX;
double TopLeftScreenY;
double TopLeftScreenZ;
double BottomRightScreenX;
double BottomRightScreenY;
double BottomRightScreenZ;
double Ready;
double RasterLX;
double RasterLY;
double RasterLZ;
double ScreenLX1;
double ScreenLY1;
double ScreenLZ1;
int ReversedLES;
short Op02LESb;
double NAzsB,NAasB;
double ViewerXc;
double ViewerYc;
double ViewerZc;
double CenterX,CenterY;
short Op02CYSup,Op02CXSup;
double CXdistance;
#define VofAngle 0x3880
short TValDebug,TValDebug2;
short ScrDispl;
#ifdef __OPT02__
void DSPOp02()
{
ViewerZ1=-Cos(Angle(Op02AZS));
ViewerX1=Sin(Angle(Op02AZS))*Sin(Angle(Op02AAS));
ViewerY1=Sin(Angle(Op02AZS))*Cos(Angle(Op02AAS));
#ifdef debug02
printf("\nViewerX1 : %f ViewerY1 : %f ViewerZ1 : %f\n",ViewerX1,ViewerY1,
ViewerZ1);
getch();
#endif
ViewerX=Op02FX-ViewerX1*Op02LFE;
ViewerY=Op02FY-ViewerY1*Op02LFE;
ViewerZ=Op02FZ-ViewerZ1*Op02LFE;
ScreenX=Op02FX+ViewerX1*(Op02LES-Op02LFE);
ScreenY=Op02FY+ViewerY1*(Op02LES-Op02LFE);
ScreenZ=Op02FZ+ViewerZ1*(Op02LES-Op02LFE);
#ifdef debug02
printf("ViewerX : %f ViewerY : %f ViewerZ : %f\n",ViewerX,ViewerY,ViewerZ);
printf("Op02FX : %d Op02FY : %d Op02FZ : %d\n",Op02FX,Op02FY,Op02FZ);
printf("ScreenX : %f ScreenY : %f ScreenZ : %f\n",ScreenX,ScreenY,ScreenZ);
getch();
#endif
if (ViewerZ1==0)ViewerZ1++;
NumberOfSlope=ViewerZ/-ViewerZ1;
Op02CX=(short)(Op02CXF=ViewerX+ViewerX1*NumberOfSlope);
Op02CY=(short)(Op02CYF=ViewerY+ViewerY1*NumberOfSlope);
Op02VOF=0x0000;
ReversedLES=0;
Op02LESb=Op02LES;
if ((Op02LES>=VofAngle+16384.0) && (Op02LES<VofAngle+32768.0)) {
ReversedLES=1;
Op02LESb=VofAngle+0x4000-(Op02LES-(VofAngle+0x4000));
}
Op02VVA = (short)(Op02LESb * tan((Op02AZS-0x4000)*6.2832/65536.0));
if ((Op02LESb>=VofAngle) && (Op02LESb<=VofAngle+0x4000)) {
Op02VOF= (short)(Op02LESb * tan((Op02AZS-0x4000-VofAngle)*6.2832/65536.0));
Op02VVA-=Op02VOF;
}
if (ReversedLES){
Op02VOF=-Op02VOF;
}
NAzsB = (Op02AZS-0x4000)*6.2832/65536.0;
NAasB = Op02AAS*6.2832/65536.0;
if (tan(NAzsB)==0) NAzsB=0.1;
ScrDispl=0;
if (NAzsB>-0.15) {NAzsB=-0.15;ScrDispl=Op02VVA-0xFFDA;}
CXdistance=1/tan(NAzsB);
ViewerXc=Op02FX;
ViewerYc=Op02FY;
ViewerZc=Op02FZ;
CenterX = (-sin(NAasB)*ViewerZc*CXdistance)+ViewerXc;
CenterY = (cos(NAasB)*ViewerZc*CXdistance)+ViewerYc;
Op02CX = (short)CenterX;
Op02CY = (short)CenterY;
ViewerXc=ViewerX;//-Op02FX);
ViewerYc=ViewerY;//-Op02FY);
ViewerZc=ViewerZ;//-Op02FZ);
CenterX = (-sin(NAasB)*ViewerZc*CXdistance)+ViewerXc;
if (CenterX<-32768) CenterX = -32768; if (CenterX>32767) CenterX=32767;
CenterY = (cos(NAasB)*ViewerZc*CXdistance)+ViewerYc;
if (CenterY<-32768) CenterY = -32768; if (CenterY>32767) CenterY=32767;
TValDebug = (short)((NAzsB*65536/6.28));
TValDebug2 = ScrDispl;
// if (Op02CY < 0) {Op02CYSup = Op02CY/256; Op02CY = 0;}
// if (Op02CX < 0) {Op02CXSup = Op02CX/256; Op02CX = 0;}
// [4/15/2001] (ViewerX+ViewerX1*NumberOfSlope);
// [4/15/2001] (ViewerY+ViewerY1*NumberOfSlope);
// if(Op02LFE==0x2200)Op02VVA=0xFECD;
// else Op02VVA=0xFFB2;
#ifdef DebugDSP1
Log_Message("OP02 FX:%d FY:%d FZ:%d LFE:%d LES:%d",Op02FX,Op02FY,Op02FZ,Op02LFE,Op02LES);
Log_Message(" AAS:%d AZS:%d VOF:%d VVA:%d",Op02AAS,Op02AZS,Op02VOF,Op02VVA);
Log_Message(" VX:%d VY:%d VZ:%d",(short)ViewerX,(short)ViewerY,(short)ViewerZ);
#endif
}
#else
void DSPOp02()
{
ViewerZ1=-cos(Op02AZS*6.2832/65536.0);
ViewerX1=sin(Op02AZS*6.2832/65536.0)*sin(Op02AAS*6.2832/65536.0);
ViewerY1=sin(Op02AZS*6.2832/65536.0)*cos(-Op02AAS*6.2832/65536.0);
#ifdef debug02
printf("\nViewerX1 : %f ViewerY1 : %f ViewerZ1 : %f\n",ViewerX1,ViewerY1,
ViewerZ1);
getch();
#endif
ViewerX=Op02FX-ViewerX1*Op02LFE;
ViewerY=Op02FY-ViewerY1*Op02LFE;
ViewerZ=Op02FZ-ViewerZ1*Op02LFE;
ScreenX=Op02FX+ViewerX1*(Op02LES-Op02LFE);
ScreenY=Op02FY+ViewerY1*(Op02LES-Op02LFE);
ScreenZ=Op02FZ+ViewerZ1*(Op02LES-Op02LFE);
#ifdef debug02
printf("ViewerX : %f ViewerY : %f ViewerZ : %f\n",ViewerX,ViewerY,ViewerZ);
printf("Op02FX : %d Op02FY : %d Op02FZ : %d\n",Op02FX,Op02FY,Op02FZ);
printf("ScreenX : %f ScreenY : %f ScreenZ : %f\n",ScreenX,ScreenY,ScreenZ);
getch();
#endif
if (ViewerZ1==0)ViewerZ1++;
NumberOfSlope=ViewerZ/-ViewerZ1;
Op02CX=(short)(Op02CXF=ViewerX+ViewerX1*NumberOfSlope);
Op02CY=(short)(Op02CYF=ViewerY+ViewerY1*NumberOfSlope);
ViewerXc=ViewerX;//-Op02FX);
ViewerYc=ViewerY;//-Op02FY);
ViewerZc=ViewerZ;//-Op02FZ);
Op02VOF=0x0000;
ReversedLES=0;
Op02LESb=Op02LES;
if ((Op02LES>=VofAngle+16384.0) && (Op02LES<VofAngle+32768.0)) {
ReversedLES=1;
Op02LESb=VofAngle+0x4000-(Op02LES-(VofAngle+0x4000));
}
Op02VVA = (short)(Op02LESb * tan((Op02AZS-0x4000)*6.2832/65536.0));
if ((Op02LESb>=VofAngle) && (Op02LESb<=VofAngle+0x4000)) {
Op02VOF= (short)(Op02LESb * tan((Op02AZS-0x4000-VofAngle)*6.2832/65536.0));
Op02VVA-=Op02VOF;
}
if (ReversedLES){
Op02VOF=-Op02VOF;
}
NAzsB = (Op02AZS-0x4000)*6.2832/65536.0;
NAasB = Op02AAS*6.2832/65536.0;
if (tan(NAzsB)==0) NAzsB=0.1;
ScrDispl=0;
if (NAzsB>-0.15) {NAzsB=-0.15;ScrDispl=Op02VVA-0xFFDA;}
CXdistance=1/tan(NAzsB);
CenterX = (-sin(NAasB)*ViewerZc*CXdistance)+ViewerXc;
if (CenterX<-32768) CenterX = -32768; if (CenterX>32767) CenterX=32767;
Op02CX = (short)CenterX;
CenterY = (cos(NAasB)*ViewerZc*CXdistance)+ViewerYc;
if (CenterY<-32768) CenterY = -32768; if (CenterY>32767) CenterY=32767;
Op02CY = (short)CenterY;
TValDebug = (NAzsB*65536/6.28);
TValDebug2 = ScrDispl;
// if (Op02CY < 0) {Op02CYSup = Op02CY/256; Op02CY = 0;}
// if (Op02CX < 0) {Op02CXSup = Op02CX/256; Op02CX = 0;}
// [4/15/2001] (ViewerX+ViewerX1*NumberOfSlope);
// [4/15/2001] (ViewerY+ViewerY1*NumberOfSlope);
// if(Op02LFE==0x2200)Op02VVA=0xFECD;
// else Op02VVA=0xFFB2;
#ifdef DebugDSP1
Log_Message("OP02 FX:%d FY:%d FZ:%d LFE:%d LES:%d",Op02FX,Op02FY,Op02FZ,Op02LFE,Op02LES);
Log_Message(" AAS:%d AZS:%d VOF:%d VVA:%d",Op02AAS,Op02AZS,Op02VOF,Op02VVA);
Log_Message(" VX:%d VY:%d VZ:%d",(short)ViewerX,(short)ViewerY,(short)ViewerZ);
#endif
}
#endif
short Op0AVS;
short Op0AA;
short Op0AB;
short Op0AC;
short Op0AD;
double RasterRX;
double RasterRY;
double RasterRZ;
double RasterLSlopeX;
double RasterLSlopeY;
double RasterLSlopeZ;
double RasterRSlopeX;
double RasterRSlopeY;
double RasterRSlopeZ;
double GroundLX;
double GroundLY;
double GroundRX;
double GroundRY;
double Distance;
double NAzs,NAas;
double RVPos,RHPos,RXRes,RYRes;
void GetRXYPos(){
double scalar;
if (Op02LES==0) return;
NAzs = NAzsB - Atan((RVPos) / (double)Op02LES);
NAas = NAasB;// + Atan(RHPos) / (double)Op02LES);
if (cos(NAzs)==0) NAzs+=0.001;
if (tan(NAzs)==0) NAzs+=0.001;
RXRes = (-sin(NAas)*ViewerZc/(tan(NAzs))+ViewerXc);
RYRes = (cos(NAas)*ViewerZc/(tan(NAzs))+ViewerYc);
scalar = ((ViewerZc/sin(NAzs))/(double)Op02LES);
RXRes += scalar*-sin(NAas+PI/2)*RHPos;
RYRes += scalar*cos(NAas+PI/2)*RHPos;
}
void DSPOp0A()
{
double x2,y2,x3,y3,x4,y4,m,ypos;
if(Op0AVS==0) {Op0AVS++; return;}
ypos=Op0AVS-ScrDispl;
// CenterX,CenterX = Center (x1,y1)
// Get (0,Vs) coords (x2,y2)
RVPos = ypos; RHPos = 0;
GetRXYPos(); x2 = RXRes; y2 = RYRes;
// Get (-128,Vs) coords (x3,y3)
RVPos = ypos; RHPos = -128;
GetRXYPos(); x3 = RXRes; y3 = RYRes;
// Get (127,Vs) coords (x4,y4)
RVPos = ypos; RHPos = 127;
GetRXYPos(); x4 = RXRes; y4 = RYRes;
// A = (x4-x3)/256
m = (x4-x3)/256*256; if (m>32767) m=32767; if (m<-32768) m=-32768;
Op0AA = (short)(m);
// C = (y4-y3)/256
m = (y4-y3)/256*256; if (m>32767) m=32767; if (m<-32768) m=-32768;
Op0AC = (short)(m);
if (ypos==0){
Op0AB = 0;
Op0AD = 0;
}
else {
// B = (x2-x1)/Vs
m = (x2-CenterX)/ypos*256; if (m>32767) m=32767; if (m<-32768) m=-32768;
Op0AB = (short)(m);
// D = (y2-y1)/Vs
m = (y2-CenterY)/ypos*256; if (m>32767) m=32767; if (m<-32768) m=-32768;
Op0AD = (short)(m);
}
Op0AVS+=1;
}
short Op06X;
short Op06Y;
short Op06Z;
short Op06H;
short Op06V;
unsigned short Op06S;
double ObjPX;
double ObjPY;
double ObjPZ;
double ObjPX1;
double ObjPY1;
double ObjPZ1;
double ObjPX2;
double ObjPY2;
double ObjPZ2;
double DivideOp06;
int Temp;
int tanval2;
#ifdef __OPT06__
void DSPOp06()
{
ObjPX=Op06X-Op02FX;
ObjPY=Op06Y-Op02FY;
ObjPZ=Op06Z-Op02FZ;
// rotate around Z
tanval2 = Angle(-Op02AAS+32768);
// tanval2 = (-Op02AAS+32768)/(65536/INCR);
ObjPX1=(ObjPX*Cos(tanval2)+ObjPY*-Sin(tanval2));
ObjPY1=(ObjPX*Sin(tanval2)+ObjPY*Cos(tanval2));
ObjPZ1=ObjPZ;
// rotate around X
// tanval2 = (-Op02AZS/(65536/INCR)) & 1023;
tanval2 = Angle(-Op02AZS);
// tanval2 = (-Op02AZS)/256;
ObjPX2=ObjPX1;
ObjPY2=(ObjPY1*Cos(tanval2)+ObjPZ1*-Sin(tanval2));
ObjPZ2=(ObjPY1*Sin(tanval2)+ObjPZ1*Cos(tanval2));
#ifdef debug06
Log_Message("ObjPX2: %f ObjPY2: %f ObjPZ2: %f\n",ObjPX2,ObjPY2,ObjPZ2);
#endif
ObjPZ2=ObjPZ2-Op02LFE;
if (ObjPZ2<0)
{
double d;
Op06H=(short)(-ObjPX2*Op02LES/-(ObjPZ2)); //-ObjPX2*256/-ObjPZ2;
Op06V=(short)(-ObjPY2*Op02LES/-(ObjPZ2)); //-ObjPY2*256/-ObjPZ2;
d=(double)Op02LES;
d*=256.0;
d/=(-ObjPZ2);
if(d>65535.0)
d=65535.0;
else if(d<0.0)
d=0.0;
Op06S=(unsigned short)d;
//Op06S=(unsigned short)(256*(double)Op02LES/-ObjPZ2);
//Op06S=(unsigned short)((double)(256.0*((double)Op02LES)/(-ObjPZ2)));
}
else
{
Op06H=0;
Op06V=14*16;
Op06S=0xFFFF;
}
#ifdef DebugDSP1
Log_Message("OP06 X:%d Y:%d Z:%d",Op06X,Op06Y,Op06Z);
Log_Message("OP06 H:%d V:%d S:%d",Op06H,Op06V,Op06S);
#endif
}
#else
void DSPOp06()
{
ObjPX=Op06X-Op02FX;
ObjPY=Op06Y-Op02FY;
ObjPZ=Op06Z-Op02FZ;
// rotate around Z
tanval = (-Op02AAS+32768)/65536.0*6.2832;
ObjPX1=(ObjPX*cos(tanval)+ObjPY*-sin(tanval));
ObjPY1=(ObjPX*sin(tanval)+ObjPY*cos(tanval));
ObjPZ1=ObjPZ;
#ifdef debug06
Log_Message("Angle : %f", tanval);
Log_Message("ObjPX1: %f ObjPY1: %f ObjPZ1: %f\n",ObjPX1,ObjPY1,ObjPZ1);
Log_Message("cos(tanval) : %f sin(tanval) : %f", cos(tanval), sin(tanval));
#endif
// rotate around X
tanval = (-Op02AZS)/65536.0*6.2832;
ObjPX2=ObjPX1;
ObjPY2=(ObjPY1*cos(tanval)+ObjPZ1*-sin(tanval));
ObjPZ2=(ObjPY1*sin(tanval)+ObjPZ1*cos(tanval));
#ifdef debug06
Log_Message("ObjPX2: %f ObjPY2: %f ObjPZ2: %f\n",ObjPX2,ObjPY2,ObjPZ2);
#endif
ObjPZ2=ObjPZ2-Op02LFE;
if (ObjPZ2<0)
{
Op06H=(short)(-ObjPX2*Op02LES/-(ObjPZ2)); //-ObjPX2*256/-ObjPZ2;
Op06V=(short)(-ObjPY2*Op02LES/-(ObjPZ2)); //-ObjPY2*256/-ObjPZ2;
double d=(double)Op02LES;
d*=256.0;
d/=(-ObjPZ2);
if(d>65535.0)
d=65535.0;
else if(d<0.0)
d=0.0;
Op06S=(unsigned short)d;
// Op06S=(unsigned short)(256*(double)Op02LES/-ObjPZ2);
}
else
{
Op06H=0;
Op06V=14*16;
Op06S=0xFFFF;
}
#ifdef DebugDSP1
Log_Message("OP06 X:%d Y:%d Z:%d",Op06X,Op06Y,Op06Z);
Log_Message("OP06 H:%d V:%d S:%d",Op06H,Op06V,Op06S);
#endif
}
#endif
short matrixC[3][3];
short matrixB[3][3];
short matrixA[3][3];
short Op01m;
short Op01Zr;
short Op01Xr;
short Op01Yr;
short Op11m;
short Op11Zr;
short Op11Xr;
short Op11Yr;
short Op21m;
short Op21Zr;
short Op21Xr;
short Op21Yr;
double sc,sc2,sc3;
void DSPOp01 ()
{
short SinAz = SinInt(Op01Zr);
short CosAz = CosInt(Op01Zr);
short SinAy = SinInt(Op01Yr);
short CosAy = CosInt(Op01Yr);
short SinAx = SinInt(Op01Xr);
short CosAx = CosInt(Op01Xr);
Op01m >>= 1;
matrixA[0][0] = (Op01m * CosAz >> 15) * CosAy >> 15;
matrixA[0][1] = -((Op01m * SinAz >> 15) * CosAy >> 15);
matrixA[0][2] = Op01m * SinAy >> 15;
matrixA[1][0] = ((Op01m * SinAz >> 15) * CosAx >> 15) + (((Op01m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixA[1][1] = ((Op01m * CosAz >> 15) * CosAx >> 15) - (((Op01m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixA[1][2] = -((Op01m * SinAx >> 15) * CosAy >> 15);
matrixA[2][0] = ((Op01m * SinAz >> 15) * SinAx >> 15) - (((Op01m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixA[2][1] = ((Op01m * CosAz >> 15) * SinAx >> 15) + (((Op01m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixA[2][2] = (Op01m * CosAx >> 15) * CosAy >> 15;
}
void DSPOp11()
{
short SinAz = SinInt(Op11Zr);
short CosAz = CosInt(Op11Zr);
short SinAy = SinInt(Op11Yr);
short CosAy = CosInt(Op11Yr);
short SinAx = SinInt(Op11Xr);
short CosAx = CosInt(Op11Xr);
Op11m >>= 1;
matrixB[0][0] = (Op11m * CosAz >> 15) * CosAy >> 15;
matrixB[0][1] = -((Op11m * SinAz >> 15) * CosAy >> 15);
matrixB[0][2] = Op11m * SinAy >> 15;
matrixB[1][0] = ((Op11m * SinAz >> 15) * CosAx >> 15) + (((Op11m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixB[1][1] = ((Op11m * CosAz >> 15) * CosAx >> 15) - (((Op11m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixB[1][2] = -((Op11m * SinAx >> 15) * CosAy >> 15);
matrixB[2][0] = ((Op11m * SinAz >> 15) * SinAx >> 15) - (((Op11m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixB[2][1] = ((Op11m * CosAz >> 15) * SinAx >> 15) + (((Op11m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixB[2][2] = (Op11m * CosAx >> 15) * CosAy >> 15;
}
void DSPOp21()
{
short SinAz = SinInt(Op21Zr);
short CosAz = CosInt(Op21Zr);
short SinAy = SinInt(Op21Yr);
short CosAy = CosInt(Op21Yr);
short SinAx = SinInt(Op21Xr);
short CosAx = CosInt(Op21Xr);
Op21m >>= 1;
matrixC[0][0] = (Op21m * CosAz >> 15) * CosAy >> 15;
matrixC[0][1] = -((Op21m * SinAz >> 15) * CosAy >> 15);
matrixC[0][2] = Op21m * SinAy >> 15;
matrixC[1][0] = ((Op21m * SinAz >> 15) * CosAx >> 15) + (((Op21m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixC[1][1] = ((Op21m * CosAz >> 15) * CosAx >> 15) - (((Op21m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
matrixC[1][2] = -((Op21m * SinAx >> 15) * CosAy >> 15);
matrixC[2][0] = ((Op21m * SinAz >> 15) * SinAx >> 15) - (((Op21m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixC[2][1] = ((Op21m * CosAz >> 15) * SinAx >> 15) + (((Op21m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
matrixC[2][2] = (Op21m * CosAx >> 15) * CosAy >> 15;
}
short Op0DX;
short Op0DY;
short Op0DZ;
short Op0DF;
short Op0DL;
short Op0DU;
short Op1DX;
short Op1DY;
short Op1DZ;
short Op1DF;
short Op1DL;
short Op1DU;
short Op2DX;
short Op2DY;
short Op2DZ;
short Op2DF;
short Op2DL;
short Op2DU;
void DSPOp0D()
{
Op0DF = (Op0DX * matrixA[0][0] >> 15) + (Op0DY * matrixA[0][1] >> 15) + (Op0DZ * matrixA[0][2] >> 15);
Op0DL = (Op0DX * matrixA[1][0] >> 15) + (Op0DY * matrixA[1][1] >> 15) + (Op0DZ * matrixA[1][2] >> 15);
Op0DU = (Op0DX * matrixA[2][0] >> 15) + (Op0DY * matrixA[2][1] >> 15) + (Op0DZ * matrixA[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP0D X: %d Y: %d Z: %d / F: %d L: %d U: %d",Op0DX,Op0DY,Op0DZ,Op0DF,Op0DL,Op0DU);
#endif
}
void DSPOp1D()
{
Op1DF = (Op1DX * matrixB[0][0] >> 15) + (Op1DY * matrixB[0][1] >> 15) + (Op1DZ * matrixB[0][2] >> 15);
Op1DL = (Op1DX * matrixB[1][0] >> 15) + (Op1DY * matrixB[1][1] >> 15) + (Op1DZ * matrixB[1][2] >> 15);
Op1DU = (Op1DX * matrixB[2][0] >> 15) + (Op1DY * matrixB[2][1] >> 15) + (Op1DZ * matrixB[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP1D X: %d Y: %d Z: %d / F: %d L: %d U: %d",Op1DX,Op1DY,Op1DZ,Op1DF,Op1DL,Op1DU);
#endif
}
void DSPOp2D()
{
Op2DF = (Op2DX * matrixC[0][0] >> 15) + (Op2DY * matrixC[0][1] >> 15) + (Op2DZ * matrixC[0][2] >> 15);
Op2DL = (Op2DX * matrixC[1][0] >> 15) + (Op2DY * matrixC[1][1] >> 15) + (Op2DZ * matrixC[1][2] >> 15);
Op2DU = (Op2DX * matrixC[2][0] >> 15) + (Op2DY * matrixC[2][1] >> 15) + (Op2DZ * matrixC[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP2D X: %d Y: %d Z: %d / F: %d L: %d U: %d",Op2DX,Op2DY,Op2DZ,Op2DF,Op2DL,Op2DU);
#endif
}
short Op03F;
short Op03L;
short Op03U;
short Op03X;
short Op03Y;
short Op03Z;
short Op13F;
short Op13L;
short Op13U;
short Op13X;
short Op13Y;
short Op13Z;
short Op23F;
short Op23L;
short Op23U;
short Op23X;
short Op23Y;
short Op23Z;
void DSPOp03()
{
Op03X = (Op03F * matrixA[0][0] >> 15) + (Op03L * matrixA[1][0] >> 15) + (Op03U * matrixA[2][0] >> 15);
Op03Y = (Op03F * matrixA[0][1] >> 15) + (Op03L * matrixA[1][1] >> 15) + (Op03U * matrixA[2][1] >> 15);
Op03Z = (Op03F * matrixA[0][2] >> 15) + (Op03L * matrixA[1][2] >> 15) + (Op03U * matrixA[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP03 F: %d L: %d U: %d / X: %d Y: %d Z: %d",Op03F,Op03L,Op03U,Op03X,Op03Y,Op03Z);
#endif
}
void DSPOp13()
{
Op13X = (Op13F * matrixB[0][0] >> 15) + (Op13L * matrixB[1][0] >> 15) + (Op13U * matrixB[2][0] >> 15);
Op13Y = (Op13F * matrixB[0][1] >> 15) + (Op13L * matrixB[1][1] >> 15) + (Op13U * matrixB[2][1] >> 15);
Op13Z = (Op13F * matrixB[0][2] >> 15) + (Op13L * matrixB[1][2] >> 15) + (Op13U * matrixB[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP13 F: %d L: %d U: %d / X: %d Y: %d Z: %d",Op13F,Op13L,Op13U,Op13X,Op13Y,Op13Z);
#endif
}
void DSPOp23()
{
Op23X = (Op23F * matrixC[0][0] >> 15) + (Op23L * matrixC[1][0] >> 15) + (Op23U * matrixC[2][0] >> 15);
Op23Y = (Op23F * matrixC[0][1] >> 15) + (Op23L * matrixC[1][1] >> 15) + (Op23U * matrixC[2][1] >> 15);
Op23Z = (Op23F * matrixC[0][2] >> 15) + (Op23L * matrixC[1][2] >> 15) + (Op23U * matrixC[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP23 F: %d L: %d U: %d / X: %d Y: %d Z: %d",Op23F,Op23L,Op23U,Op23X,Op23Y,Op23Z);
#endif
}
short Op14Zr;
short Op14Xr;
short Op14Yr;
short Op14U;
short Op14F;
short Op14L;
short Op14Zrr;
short Op14Xrr;
short Op14Yrr;
void DSPOp14()
{
short Coefficient;
short Exponent;
int Rtmp;
DSP1_Inverse(CosInt(Op14Xr), 0, &Coefficient, &Exponent);
// Rotation Around Z
Rtmp = ((Op14U * CosInt(Op14Yr)) >> 15) - ((Op14F * SinInt(Op14Yr)) >> 15);
Rtmp = (Coefficient * (short) Rtmp) >> (15 - Exponent);
if (Rtmp > 32767)
Rtmp = 32767;
if (Rtmp < -32768)
Rtmp = -32767;
Op14Zrr = Op14Zr + Rtmp;
// Rotation Around X
Op14Xrr = Op14Xr + ((Op14U * SinInt(Op14Yr)) >> 15) + ((Op14F * CosInt(Op14Yr)) >> 15);
// Rotation Around Y
Rtmp = ((Op14U * CosInt(Op14Yr)) >> 15) + ((Op14F * SinInt(Op14Yr)) >> 15);
Rtmp = (((Coefficient * (short) Rtmp) >> 15) * SinInt(Op14Xr)) >> (15 - Exponent);
if (Rtmp > 32767)
Rtmp = 32767;
if (Rtmp < -32768)
Rtmp = -32767;
Op14Yrr = Op14Yr - Rtmp + Op14L;
}
short Op0EH;
short Op0EV;
short Op0EX;
short Op0EY;
void DSPOp0E()
{
// screen Directions UP
RVPos = Op0EV;
RHPos = Op0EH;
GetRXYPos();
Op0EX = (short)(RXRes);
Op0EY = (short)(RYRes);
#ifdef DebugDSP1
Log_Message("OP0E COORDINATE H:%d V:%d X:%d Y:%d",Op0EH,Op0EV,Op0EX,Op0EY);
#endif
}
short Op0BX;
short Op0BY;
short Op0BZ;
short Op0BS;
short Op1BX;
short Op1BY;
short Op1BZ;
short Op1BS;
short Op2BX;
short Op2BY;
short Op2BZ;
short Op2BS;
void DSPOp0B()
{
Op0BS = ((Op0BX*matrixA[0][0]+Op0BY*matrixA[0][1]+Op0BZ*matrixA[0][2])>>15);
#ifdef DebugDSP1
Log_Message("OP0B");
#endif
}
void DSPOp1B()
{
Op1BS = ((Op1BX*matrixB[0][0]+Op1BY*matrixB[0][1]+Op1BZ*matrixB[0][2])>>15);
#ifdef DebugDSP1
Log_Message("OP1B X: %d Y: %d Z: %d S: %d",Op1BX,Op1BY,Op1BZ,Op1BS);
Log_Message(" MX: %d MY: %d MZ: %d Scale: %d",(short)(matrixB[0][0]*100),(short)(matrixB[0][1]*100),(short)(matrixB[0][2]*100),(short)(sc2*100));
#endif
}
void DSPOp2B()
{
Op2BS = (short)((Op2BX*matrixC[0][0]+Op2BY*matrixC[0][1]+Op2BZ*matrixC[0][2])>>15);
#ifdef DebugDSP1
Log_Message("OP2B");
#endif
}
short Op08X,Op08Y,Op08Z,Op08Ll,Op08Lh;
long Op08Size;
void DSPOp08()
{
// This is bit accurate to DSP1B when compiled with VC 6 on a P4
Op08Size=(Op08X*Op08X+Op08Y*Op08Y+Op08Z*Op08Z)*2;
Op08Ll = Op08Size&0xFFFF;
Op08Lh = (Op08Size>>16) & 0xFFFF;
#ifdef DebugDSP1
Log_Message("OP08 %d,%d,%d",Op08X,Op08Y,Op08Z);
Log_Message("OP08 ((Op08X^2)+(Op08Y^2)+(Op08X^2))=%x",Op08Size );
#endif
}
short Op18X,Op18Y,Op18Z,Op18R,Op18D;
void DSPOp18()
{
// This is bit accurate to DSP1B when compiled with VC6 on a P4
int x,y,z,r; // int32
x=Op18X; y=Op18Y; z=Op18Z; r=Op18R;
r = (x*x+y*y+z*z-r*r);
Op18D=(short) (r >> 15);
#ifdef DebugDSP1
Log_Message("OP18 X: %d Y: %d Z: %d R: %D DIFF %d",Op18X,Op18Y,Op18Z,Op18D);
#endif
}
short Op38X,Op38Y,Op38Z,Op38R,Op38D;
void DSPOp38()
{
// This is bit accurate to DSP1B when compiled with VC6 on a P4
int x,y,z,r; // int32
x=Op38X; y=Op38Y; z=Op38Z; r=Op38R;
r = (x*x+y*y+z*z-r*r);
Op38D=(short) (r >> 15);
Op38D++;
#ifdef DebugDSP1
Log_Message("OP38 X: %d Y: %d Z: %d R: %D DIFF %d",Op38X,Op38Y,Op38Z,Op38D);
#endif
}
short Op28X;
short Op28Y;
short Op28Z;
short Op28R;
void DSPOp28()
{
// This works pretty good until r overflows from 0x7fff, then it goes to h*ll.
// Hopefully games don't count on overflow cases matching the DSP
Op28R=(short)sqrt(Op28X*Op28X+Op28Y*Op28Y+Op28Z*Op28Z);
#ifdef DebugDSP1
Log_Message("OP28 X:%d Y:%d Z:%d",Op28X,Op28Y,Op28Z);
Log_Message("OP28 Vector Length %d",Op28R);
#endif
}
short Op1CX,Op1CY,Op1CZ;
short Op1CXBR,Op1CYBR,Op1CZBR,Op1CXAR,Op1CYAR,Op1CZAR;
short Op1CX1;
short Op1CY1;
short Op1CZ1;
short Op1CX2;
short Op1CY2;
short Op1CZ2;
void DSPOp1C()
{
// rotate around Z
Op1CX1=((Op1CXBR*CosInt(Op1CZ))>>15)+((Op1CYBR*SinInt(Op1CZ))>>15);
Op1CY1=-(((Op1CXBR*SinInt(Op1CZ))>>15)+((Op1CYBR*CosInt(Op1CZ))>>15));
Op1CZ1=Op1CZBR;
// rotate around Y
Op1CX2=((Op1CX1*CosInt(Op1CY))>>15)-((Op1CZ1*SinInt(Op1CY))>>15);
Op1CY2=Op1CY1;
Op1CZ2=((Op1CX1*SinInt(Op1CY))>>15)+((Op1CZ1*CosInt(Op1CY))>>15);
// rotate around X
Op1CXAR=Op1CX2;
Op1CYAR=((Op1CY2*CosInt(Op1CX))>>15)+((Op1CZ2*SinInt(Op1CX))>>15);
Op1CZAR=-(((Op1CY2*-SinInt(Op1CX))>>15)+((Op1CZ2*CosInt(Op1CX))>>15));
#ifdef DebugDSP1
Log_Message("OP1C Apply Matrix CX:%d CY:%d CZ",Op1CXAR,Op1CYAR,Op1CZAR);
#endif
}
// Op 0F = Test DSP1 RAM
// Returns 0x0000 if RAM checks OK
unsigned short Op0FRamsize;
unsigned short Op0FPass;
void DSPOp0F()
{
// We use our PC's RAM, not DSP1 RAM but we need to pass the RAM check
Op0FPass = 0x0000;
return;
#ifdef DebugDSP1
Log_Message("OP0F RAM Test Pass:%d", Op0FPass);
#endif
}
short Op2FUnknown;
short Op2FSize;
void DSPOp2F()
{
Op2FSize=0x100;
}