diff options
Diffstat (limited to 'src/c4.cpp')
| -rw-r--r-- | src/c4.cpp | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/src/c4.cpp b/src/c4.cpp deleted file mode 100644 index bc0cd78..0000000 --- a/src/c4.cpp +++ /dev/null @@ -1,431 +0,0 @@ -/*******************************************************************************
- Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
-
- (c) Copyright 1996 - 2003 Gary Henderson (gary.henderson@ntlworld.com) and
- Jerremy Koot (jkoot@snes9x.com)
-
- (c) Copyright 2002 - 2003 Matthew Kendora and
- Brad Jorsch (anomie@users.sourceforge.net)
-
-
-
- C4 x86 assembler and some C emulation code
- (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
- _Demo_ (_demo_@zsnes.com), and
- Nach (n-a-c-h@users.sourceforge.net)
-
- C4 C++ code
- (c) Copyright 2003 Brad Jorsch
-
- DSP-1 emulator code
- (c) Copyright 1998 - 2003 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
- John Weidman (jweidman@slip.net),
- neviksti (neviksti@hotmail.com), and
- Kris Bleakley (stinkfish@bigpond.com)
-
- DSP-2 emulator code
- (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
- Lord Nightmare (lord_nightmare@users.sourceforge.net
-
- OBC1 emulator code
- (c) Copyright 2001 - 2003 zsKnight, pagefault (pagefault@zsnes.com)
- Ported from x86 assembler to C by sanmaiwashi
-
- SPC7110 and RTC C++ emulator code
- (c) Copyright 2002 Matthew Kendora with research by
- zsKnight, John Weidman, and Dark Force
-
- S-RTC C emulator code
- (c) Copyright 2001 John Weidman
-
- Super FX x86 assembler emulator code
- (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
-
- Super FX C emulator code
- (c) Copyright 1997 - 1999 Ivar and Gary Henderson.
-
-
-
-
- Specific ports contains the works of other authors. See headers in
- individual files.
-
- Snes9x homepage: http://www.snes9x.com
-
- Permission to use, copy, modify and distribute Snes9x in both binary and
- source form, for non-commercial purposes, is hereby granted without fee,
- providing that this license information and copyright notice appear with
- all copies and any derived work.
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event shall the authors be held liable for any damages
- arising from the use of this software.
-
- Snes9x is freeware for PERSONAL USE only. Commercial users should
- seek permission of the copyright holders first. Commercial use includes
- charging money for Snes9x or software derived from Snes9x.
-
- The copyright holders request that bug fixes and improvements to the code
- should be forwarded to them so everyone can benefit from the modifications
- in future versions.
-
- Super NES and Super Nintendo Entertainment System are trademarks of
- Nintendo Co., Limited and its subsidiary companies.
-*******************************************************************************/
-
-#ifndef __GP32__
-#include <stdlib.h>
-#endif
-
-#include <math.h>
-#include "c4.h"
-//#include "memmap.h"
-
-extern "C" {
-
-short C4WFXVal;
-short C4WFYVal;
-short C4WFZVal;
-short C4WFX2Val;
-short C4WFY2Val;
-short C4WFDist;
-short C4WFScale;
-
-static long tanval;
-static long c4x, c4y, c4z;
-static long c4x2, c4y2, c4z2;
-
-const short C4_MulTable[256] = {
- 0x0000, 0x0003, 0x0006, 0x0009, 0x000c, 0x000f, 0x0012, 0x0015,
- 0x0019, 0x001c, 0x001f, 0x0022, 0x0025, 0x0028, 0x002b, 0x002f,
- 0x0032, 0x0035, 0x0038, 0x003b, 0x003e, 0x0041, 0x0045, 0x0048,
- 0x004b, 0x004e, 0x0051, 0x0054, 0x0057, 0x005b, 0x005e, 0x0061,
- 0x0064, 0x0067, 0x006a, 0x006d, 0x0071, 0x0074, 0x0077, 0x007a,
- 0x007d, 0x0080, 0x0083, 0x0087, 0x008a, 0x008d, 0x0090, 0x0093,
- 0x0096, 0x0099, 0x009d, 0x00a0, 0x00a3, 0x00a6, 0x00a9, 0x00ac,
- 0x00af, 0x00b3, 0x00b6, 0x00b9, 0x00bc, 0x00bf, 0x00c2, 0x00c5,
- 0x00c9, 0x00cc, 0x00cf, 0x00d2, 0x00d5, 0x00d8, 0x00db, 0x00df,
- 0x00e2, 0x00e5, 0x00e8, 0x00eb, 0x00ee, 0x00f1, 0x00f5, 0x00f8,
- 0x00fb, 0x00fe, 0x0101, 0x0104, 0x0107, 0x010b, 0x010e, 0x0111,
- 0x0114, 0x0117, 0x011a, 0x011d, 0x0121, 0x0124, 0x0127, 0x012a,
- 0x012d, 0x0130, 0x0133, 0x0137, 0x013a, 0x013d, 0x0140, 0x0143,
- 0x0146, 0x0149, 0x014d, 0x0150, 0x0153, 0x0156, 0x0159, 0x015c,
- 0x015f, 0x0163, 0x0166, 0x0169, 0x016c, 0x016f, 0x0172, 0x0175,
- 0x0178, 0x017c, 0x017f, 0x0182, 0x0185, 0x0188, 0x018b, 0x018e,
- 0x0192, 0x0195, 0x0198, 0x019b, 0x019e, 0x01a1, 0x01a4, 0x01a8,
- 0x01ab, 0x01ae, 0x01b1, 0x01b4, 0x01b7, 0x01ba, 0x01be, 0x01c1,
- 0x01c4, 0x01c7, 0x01ca, 0x01cd, 0x01d0, 0x01d4, 0x01d7, 0x01da,
- 0x01dd, 0x01e0, 0x01e3, 0x01e6, 0x01ea, 0x01ed, 0x01f0, 0x01f3,
- 0x01f6, 0x01f9, 0x01fc, 0x0200, 0x0203, 0x0206, 0x0209, 0x020c,
- 0x020f, 0x0212, 0x0216, 0x0219, 0x021c, 0x021f, 0x0222, 0x0225,
- 0x0228, 0x022c, 0x022f, 0x0232, 0x0235, 0x0238, 0x023b, 0x023e,
- 0x0242, 0x0245, 0x0248, 0x024b, 0x024e, 0x0251, 0x0254, 0x0258,
- 0x025b, 0x025e, 0x0261, 0x0264, 0x0267, 0x026a, 0x026e, 0x0271,
- 0x0274, 0x0277, 0x027a, 0x027d, 0x0280, 0x0284, 0x0287, 0x028a,
- 0x028d, 0x0290, 0x0293, 0x0296, 0x029a, 0x029d, 0x02a0, 0x02a3,
- 0x02a6, 0x02a9, 0x02ac, 0x02b0, 0x02b3, 0x02b6, 0x02b9, 0x02bc,
- 0x02bf, 0x02c2, 0x02c6, 0x02c9, 0x02cc, 0x02cf, 0x02d2, 0x02d5,
- 0x02d8, 0x02db, 0x02df, 0x02e2, 0x02e5, 0x02e8, 0x02eb, 0x02ee,
- 0x02f1, 0x02f5, 0x02f8, 0x02fb, 0x02fe, 0x0301, 0x0304, 0x0307,
- 0x030b, 0x030e, 0x0311, 0x0314, 0x0317, 0x031a, 0x031d, 0x0321};
-
-const short C4_SinTable[256] = {
- 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,
- -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};
-
-short C4_Sin(short Angle)
-{
- if (Angle < 0) {
- if (Angle == -32768) return 0;
- return -C4_Sin(-Angle);
- }
- int S = C4_SinTable[Angle >> 8] + (C4_MulTable[Angle & 0xff] * C4_SinTable[0x40 + (Angle >> 8)] >> 15);
- if (S > 32767) S = 32767;
- return (short) S;
-}
-
-short C4_Cos(short Angle)
-{
- if (Angle < 0) {
- if (Angle == -32768) return -32768;
- Angle = -Angle;
- }
- int S = C4_SinTable[0x40 + (Angle >> 8)] - (C4_MulTable[Angle & 0xff] * C4_SinTable[Angle >> 8] >> 15);
- if (S < -32768) S = -32767;
- return (short) S;
-}
-const short atantbl[] = { 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 11, 12, 13, 13, 14, 15, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 21, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42, 43, 43, 44, 44, 45, 46, 46, 47, 47, 48, 49, 49, 50, 50, 51, 51, 52, 53, 53, 54, 54, 55, 55, 56, 57, 57, 58, 58, 59, 59, 60, 60, 61, 62, 62, 63, 63, 64, 64, 65, 65, 66, 66, 67, 67, 68, 69, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 75, 76, 76, 77, 77, 78, 78, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, 84, 84, 85, 85, 86, 86, 86, 87, 87, 88, 88, 89, 89, 90, 90, 91, 91, 92, 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 96, 97, 97, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101, 102, 102, 103, 103, 104, 104, 104, 105, 105, 106, 106, 106, 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 111, 111, 111, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 116, 116, 117, 117, 117, 118, 118, 118, 119, 119, 119, 120, 120, 120, 121, 121, 121, 122, 122, 122, 123, 123, 123, 124, 124, 124, 125, 125, 125, 126, 126, 126, 127, 127 };
-
-short _abs (short val)
-{
- return ((val >= 0) ? val : -val);
-}
-
-short _atan2 (short x, short y)
-{
- int x1,y1;
- x1 = _abs (x);
- y1 = _abs (y);
-
- if (x == 0) return 0;
-
- if ( ((x >= 0) && (y >= 0)) || ( (x < 0) && (y < 0)) ) {
- if (x1 > y1) {
- return atantbl[(unsigned char)((y1 << 8) / x1)];
- } else {
- return atantbl[(unsigned char)((x1 << 8) / y1)];
- }
- } else {
- if (x1 > y1) {
- return -atantbl[(unsigned char)((y1 << 8) / x1)];
- } else {
- return -atantbl[(unsigned char)((x1 << 8) / y1)];
- }
- }
-}
-
-/*long _isqrt(long x)
-{
- long s, t;
-
- if (x <= 0) return 0;
-
- s = 1; t = x;
- while (s < t) { s <<= 1; t >>= 1; }
- do {
- t = s;
- s = (x / s + s) >> 1;
- } while (s < t);
-
- return t;
-}
-*/
-
-static unsigned int _isqrt (unsigned long val)
-{
- unsigned int temp, g=0;
-
- if (val >= 0x40000000) {
- g = 0x8000;
- val -= 0x40000000;
- }
-
- #define INNER_ISQRT(s) \
- temp = (g << (s)) + (1 << ((s) * 2 - 2)); \
- if (val >= temp) { \
- g += 1 << ((s)-1); \
- val -= temp; \
- }
-
- INNER_ISQRT (15)
- INNER_ISQRT (14)
- INNER_ISQRT (13)
- INNER_ISQRT (12)
- INNER_ISQRT (11)
- INNER_ISQRT (10)
- INNER_ISQRT ( 9)
- INNER_ISQRT ( 8)
- INNER_ISQRT ( 7)
- INNER_ISQRT ( 6)
- INNER_ISQRT ( 5)
- INNER_ISQRT ( 4)
- INNER_ISQRT ( 3)
- INNER_ISQRT ( 2)
-
- #undef INNER_ISQRT
-
- temp = g+g+1;
- if (val >= temp) g++;
- return g;
-}
-
-void C4TransfWireFrame ()
-{
- c4x = C4WFXVal;
- c4y = C4WFYVal;
- c4z = C4WFZVal - 0x95;
-
- // Rotate X
- tanval = -C4WFX2Val << 9;
- c4y2 = (c4y * C4_Cos(tanval) - c4z * C4_Sin(tanval)) >> 15;
- c4z2 = (c4y * C4_Sin(tanval) + c4z * C4_Cos(tanval)) >> 15;
-
- // Rotate Y
- tanval = -C4WFY2Val << 9;
- c4x2 = (c4x * C4_Cos(tanval) + c4z2 * C4_Sin(tanval)) >> 15;
- c4z = (c4x * -C4_Sin(tanval) + c4z2 * C4_Cos(tanval)) >> 15;
-
- // Rotate Z
- tanval = -C4WFDist << 9;
- c4x = (c4x2 * C4_Cos(tanval) - c4y2 * C4_Sin(tanval)) >> 15;
- c4y = (c4x2 * C4_Sin(tanval) + c4y2 * C4_Cos(tanval)) >> 15;
-
- // Scale
- C4WFXVal = (short)(((long)c4x*C4WFScale*0x95)/(0x90*(c4z+0x95)));
- C4WFYVal = (short)(((long)c4y*C4WFScale*0x95)/(0x90*(c4z+0x95)));
-
-}
-
-void C4TransfWireFrame2 ()
-{
- c4x = C4WFXVal;
- c4y = C4WFYVal;
- c4z = C4WFZVal;
-
- // Rotate X
- tanval = -C4WFX2Val << 9;
- c4y2 = (c4y * C4_Cos(tanval) - c4z * C4_Sin(tanval)) >> 15;
- c4z2 = (c4y * C4_Sin(tanval) + c4z * C4_Cos(tanval)) >> 15;
-
- // Rotate Y
- tanval = -C4WFY2Val << 9;
- c4x2 = (c4x * C4_Cos(tanval) + c4z2 * C4_Sin(tanval)) >> 15;
- c4z = (c4x * -C4_Sin(tanval) + c4z2 * C4_Cos(tanval)) >> 15;
-
- // Rotate Z
- tanval = -C4WFDist << 9;
- c4x = (c4x2 * C4_Cos(tanval) - c4y2 * C4_Sin(tanval)) >> 15;
- c4y = (c4x2 * C4_Sin(tanval) + c4y2 * C4_Cos(tanval)) >> 15;
-
- // Scale
- C4WFXVal =(short)(((long)c4x * C4WFScale) / 0x100);
- C4WFYVal =(short)(((long)c4y * C4WFScale) / 0x100);
-
-}
-
-void C4CalcWireFrame ()
-{
- C4WFXVal = C4WFX2Val - C4WFXVal;
- C4WFYVal = C4WFY2Val - C4WFYVal;
- if (_abs (C4WFXVal) > _abs (C4WFYVal))
- {
- C4WFDist = _abs (C4WFXVal) + 1;
- C4WFYVal = (short) ( ((long)C4WFYVal << 8) / _abs (C4WFXVal) );
- if (C4WFXVal < 0)
- C4WFXVal = -256;
- else
- C4WFXVal = 256;
- }
- else
- {
- if (C4WFYVal != 0)
- {
- C4WFDist = _abs(C4WFYVal)+1;
- C4WFXVal = (short) ( ((long)C4WFXVal << 8) / _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
- {
- C41FAngleRes = (short)(_atan2(C41FYVal, C41FXVal) / 2);
- C41FAngleRes = C41FAngleRes;
- if (C41FXVal< 0)
- C41FAngleRes += 0x100;
- C41FAngleRes &= 0x1FF;
- }
-/*
- if (C41FXVal == 0)
- {
- if (C41FYVal > 0)
- C41FAngleRes = 0x80;
- else
- C41FAngleRes = 0x180;
- }
- else
- {
- tanval = (double) C41FYVal / C41FXVal;
- C41FAngleRes = (short) (atan (tanval) / (3.141592675 * 2) * 512);
- C41FAngleRes = C41FAngleRes;
- if (C41FXVal< 0)
- C41FAngleRes += 0x100;
- C41FAngleRes &= 0x1FF;
- }
-*/
-}
-
-void C4Op15()
-{
- tanval = (short)_isqrt ((long) C41FYVal * C41FYVal + (long) C41FXVal * C41FXVal);
- C41FDist = tanval;
-/*
- tanval = sqrt ((double) C41FYVal * C41FYVal + (double) C41FXVal * C41FXVal);
- C41FDist = (short) tanval;
-*/
-}
-
-void C4Op0D()
-{
- tanval = (short)_isqrt ((long) C41FYVal * C41FYVal + (long) C41FXVal * C41FXVal);
- tanval = C41FDistVal / tanval;
- C41FYVal = (short) (((long)C41FYVal * tanval * 99) / 100);
- C41FXVal = (short) (((long)C41FXVal * tanval * 98) / 100);
-/*
- tanval = sqrt ((double) C41FYVal * C41FYVal + (double) C41FXVal * C41FXVal);
- tanval = C41FDistVal / tanval;
- C41FYVal = (short) (C41FYVal * tanval * 0.99);
- C41FXVal = (short) (C41FXVal * tanval * 0.98);
-*/
-}
-
-#ifdef ZSNES_C4
-void C4LoaDMem(char *C4RAM)
-{
- memmove(C4RAM+(READ_WORD(C4RAM+0x1f45)&0x1fff),
- C4GetMemPointer(READ_3WORD(C4RAM+0x1f40)),
- READ_WORD(C4RAM+0x1f43));
-}
-#endif
-}//end extern C
-
|