/********************************************************************************** Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com), Jerremy Koot (jkoot@snes9x.com) (c) Copyright 2002 - 2004 Matthew Kendora (c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org) (c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/) (c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net) (c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca), Kris Bleakley (codeviolation@hotmail.com) (c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net), Nach (n-a-c-h@users.sourceforge.net), zones (kasumitokoduck@yahoo.com) (c) Copyright 2006 - 2007 nitsuja BS-X C emulator code (c) Copyright 2005 - 2006 Dreamer Nom, zones C4 x86 assembler and some C emulation code (c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com), Nach, zsKnight (zsknight@zsnes.com) C4 C++ code (c) Copyright 2003 - 2006 Brad Jorsch, Nach DSP-1 emulator code (c) Copyright 1998 - 2006 _Demo_, Andreas Naive (andreasnaive@gmail.com) Gary Henderson, Ivar (ivar@snes9x.com), John Weidman, Kris Bleakley, Matthew Kendora, Nach, neviksti (neviksti@hotmail.com) DSP-2 emulator code (c) Copyright 2003 John Weidman, Kris Bleakley, Lord Nightmare (lord_nightmare@users.sourceforge.net), Matthew Kendora, neviksti DSP-3 emulator code (c) Copyright 2003 - 2006 John Weidman, Kris Bleakley, Lancer, z80 gaiden DSP-4 emulator code (c) Copyright 2004 - 2006 Dreamer Nom, John Weidman, Kris Bleakley, Nach, z80 gaiden OBC1 emulator code (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com), Kris Bleakley, 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, Dark Force S-DD1 C emulator code (c) Copyright 2003 Brad Jorsch with research by Andreas Naive, John Weidman S-RTC C emulator code (c) Copyright 2001-2006 byuu, John Weidman ST010 C++ emulator code (c) Copyright 2003 Feather, John Weidman, Kris Bleakley, Matthew Kendora Super FX x86 assembler emulator code (c) Copyright 1998 - 2003 _Demo_, pagefault, zsKnight, Super FX C emulator code (c) Copyright 1997 - 1999 Ivar, Gary Henderson, John Weidman Sound DSP emulator code is derived from SNEeSe and OpenSPC: (c) Copyright 1998 - 2003 Brad Martin (c) Copyright 1998 - 2006 Charles Bilyue' SH assembler code partly based on x86 assembler code (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) 2xSaI filter (c) Copyright 1999 - 2001 Derek Liauw Kie Fa HQ2x, HQ3x, HQ4x filters (c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com) Win32 GUI code (c) Copyright 2003 - 2006 blip, funkyass, Matthew Kendora, Nach, nitsuja Mac OS GUI code (c) Copyright 1998 - 2001 John Stiles (c) Copyright 2001 - 2007 zones 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/or 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 or it's derivatives. Snes9x is freeware for PERSONAL USE only. Commercial users should seek permission of the copyright holders first. Commercial use includes, but is not limited to, charging money for Snes9x or software derived from Snes9x, including Snes9x or derivatives in commercial game bundles, and/or using Snes9x as a promotion for your commercial product. 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. **********************************************************************************/ //#define MMX #include "snes9x/snes9x.h" #include "snes9x/port.h" #include "snes9x/gfx.h" #ifdef MMX EXTERN_C void _2xSaILine (uint8 *srcPtr, uint8 *deltaPtr, uint32 srcPitch, uint32 width, uint8 *dstPtr, uint32 dstPitch); EXTERN_C void _2xSaISuperEagleLine (uint8 *srcPtr, uint8 *deltaPtr, uint32 srcPitch, uint32 width, uint8 *dstPtr, uint32 dstPitch); EXTERN_C int Init_2xSaIMMX (uint32 BitFormat); #endif bool mmx_cpu = false; static uint32 colorMask = 0xF7DEF7DE; static uint32 lowPixelMask = 0x08210821; static uint32 qcolorMask = 0xE79CE79C; static uint32 qlowpixelMask = 0x18631863; int Init_2xSaI(uint32 BitFormat) { if (BitFormat == 565) { colorMask = 0xF7DEF7DE; lowPixelMask = 0x08210821; qcolorMask = 0xE79CE79C; qlowpixelMask = 0x18631863; } else if (BitFormat == 555) { colorMask = 0x7BDE7BDE; lowPixelMask = 0x04210421; qcolorMask = 0x739C739C; qlowpixelMask = 0x0C630C63; } else { return 0; } #ifdef MMX Init_2xSaIMMX(BitFormat); #endif return 1; } STATIC inline int GetResult1(uint32 A, uint32 B, uint32 C, uint32 D, uint32 E) { int x = 0; int y = 0; int r = 0; if (A == C) x+=1; else if (B == C) y+=1; if (A == D) x+=1; else if (B == D) y+=1; if (x <= 1) r+=1; if (y <= 1) r-=1; return r; } STATIC inline int GetResult2(uint32 A, uint32 B, uint32 C, uint32 D, uint32 E) { int x = 0; int y = 0; int r = 0; if (A == C) x+=1; else if (B == C) y+=1; if (A == D) x+=1; else if (B == D) y+=1; if (x <= 1) r-=1; if (y <= 1) r+=1; return r; } STATIC inline int GetResult(uint32 A, uint32 B, uint32 C, uint32 D) { int x = 0; int y = 0; int r = 0; if (A == C) x+=1; else if (B == C) y+=1; if (A == D) x+=1; else if (B == D) y+=1; if (x <= 1) r+=1; if (y <= 1) r-=1; return r; } STATIC inline uint32 INTERPOLATE(uint32 A, uint32 B) { if (A !=B) { return ( ((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask) ); } else return A; } STATIC inline uint32 Q_INTERPOLATE(uint32 A, uint32 B, uint32 C, uint32 D) { register uint32 x = ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2); register uint32 y = (A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask); y = (y>>2) & qlowpixelMask; return x+y; } #define HOR #define VER void Super2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height) { uint32 *dP; uint16 *bP; #ifdef MMX_BLA //no MMX version yet if (cpu_mmx && width != 512) { for (height; height; height-=1) { bP = (uint16 *) srcPtr; xP = (uint16 *) deltaPtr; dP = (uint32 *) dstPtr; _2xSaISuperEagleLine ((uint8 *) bP, (uint8 *) xP, srcPitch, width, (uint8 *) dP, dstPitch); dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; } } else { #endif uint32 Nextline = srcPitch >> 1; for (height; height; height-=1) { bP = (uint16 *) srcPtr; dP = (uint32 *) dstPtr; for (uint32 finish = width; finish; finish -= 1 ) { uint32 color4, color5, color6; uint32 color1, color2, color3; uint32 colorA0, colorA1, colorA2, colorA3, colorB0, colorB1, colorB2, colorB3, colorS1, colorS2; uint32 product1a, product1b, product2a, product2b; //--------------------------------------- B1 B2 // 4 5 6 S2 // 1 2 3 S1 // A1 A2 colorB0 = *(bP- Nextline - 1); colorB1 = *(bP- Nextline); colorB2 = *(bP- Nextline + 1); colorB3 = *(bP- Nextline + 2); color4 = *(bP - 1); color5 = *(bP); color6 = *(bP + 1); colorS2 = *(bP + 2); color1 = *(bP + Nextline - 1); color2 = *(bP + Nextline); color3 = *(bP + Nextline + 1); colorS1 = *(bP + Nextline + 2); colorA0 = *(bP + Nextline + Nextline - 1); colorA1 = *(bP + Nextline + Nextline); colorA2 = *(bP + Nextline + Nextline + 1); colorA3 = *(bP + Nextline + Nextline + 2); //-------------------------------------- if (color2 == color6 && color5 != color3) { product2b = product1b = color2; } else if (color5 == color3 && color2 != color6) { product2b = product1b = color5; } else if (color5 == color3 && color2 == color6 && color5 != color6) { register int r = 0; r += GetResult (color6, color5, color1, colorA1); r += GetResult (color6, color5, color4, colorB1); r += GetResult (color6, color5, colorA2, colorS1); r += GetResult (color6, color5, colorB2, colorS2); if (r > 0) product2b = product1b = color6; else if (r < 0) product2b = product1b = color5; else { product2b = product1b = INTERPOLATE (color5, color6); } } else { #ifdef VER if (color6 == color3 && color3 == colorA1 && color2 != colorA2 && color3 != colorA0) product2b = Q_INTERPOLATE (color3, color3, color3, color2); else if (color5 == color2 && color2 == colorA2 && colorA1 != color3 && color2 != colorA3) product2b = Q_INTERPOLATE (color2, color2, color2, color3); else #endif product2b = INTERPOLATE (color2, color3); #ifdef VER if (color6 == color3 && color6 == colorB1 && color5 != colorB2 && color6 != colorB0) product1b = Q_INTERPOLATE (color6, color6, color6, color5); else if (color5 == color2 && color5 == colorB2 && colorB1 != color6 && color5 != colorB3) product1b = Q_INTERPOLATE (color6, color5, color5, color5); else #endif product1b = INTERPOLATE (color5, color6); } #ifdef HOR if (color5 == color3 && color2 != color6 && color4 == color5 && color5 != colorA2) product2a = INTERPOLATE (color2, color5); else if (color5 == color1 && color6 == color5 && color4 != color2 && color5 != colorA0) product2a = INTERPOLATE(color2, color5); else #endif product2a = color2; #ifdef HOR if (color2 == color6 && color5 != color3 && color1 == color2 && color2 != colorB2) product1a = INTERPOLATE (color2, color5); else if (color4 == color2 && color3 == color2 && color1 != color5 && color2 != colorB0) product1a = INTERPOLATE(color2, color5); else #endif product1a = color5; product1a = product1a | (product1b << 16); product2a = product2a | (product2b << 16); *(dP) = product1a; *(dP+(dstPitch>>2)) = product2a; bP += 1; dP += 1; }//end of for ( finish= width etc..) dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; }; //endof: for (height; height; height--) #ifdef MMX_BLA } #endif } /*ONLY use with 640x480x16 or higher resolutions*/ /*Only use this if 2*width * 2*height fits on the current screen*/ void SuperEagle(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height) { uint32 *dP; uint16 *bP; uint16 *xP; #ifdef MMX if (mmx_cpu && width != 512) { for (height; height; height-=1) { bP = (uint16 *) srcPtr; xP = (uint16 *) deltaPtr; dP = (uint32 *) dstPtr; _2xSaISuperEagleLine ((uint8 *) bP, (uint8 *) xP, srcPitch, width, (uint8 *)dP, dstPitch); dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; } } else { #endif uint32 Nextline = srcPitch >> 1; for (height; height; height-=1) { bP = (uint16 *) srcPtr; dP = (uint32 *) dstPtr; for (uint32 finish = width; finish; finish -= 1 ) { uint32 color4, color5, color6; uint32 color1, color2, color3; uint32 colorA0, colorA1, colorA2, colorA3, colorB0, colorB1, colorB2, colorB3, colorS1, colorS2; uint32 product1a, product1b, product2a, product2b; colorB0 = *(bP- Nextline - 1); colorB1 = *(bP- Nextline); colorB2 = *(bP- Nextline + 1); colorB3 = *(bP- Nextline + 2); color4 = *(bP - 1); color5 = *(bP); color6 = *(bP + 1); colorS2 = *(bP + 2); color1 = *(bP + Nextline - 1); color2 = *(bP + Nextline); color3 = *(bP + Nextline + 1); colorS1 = *(bP + Nextline + 2); colorA0 = *(bP + Nextline + Nextline - 1); colorA1 = *(bP + Nextline + Nextline); colorA2 = *(bP + Nextline + Nextline + 1); colorA3 = *(bP + Nextline + Nextline + 2); //-------------------------------------- if (color2 == color6 && color5 != color3) { product1b = product2a = color2; if ((color1 == color2 && color6 == colorS2) || (color2 == colorA1 && color6 == colorB2)) { product1a = INTERPOLATE (color2, color5); product1a = INTERPOLATE (color2, product1a); product2b = INTERPOLATE (color2, color3); product2b = INTERPOLATE (color2, product2b); // product1a = color2; // product2b = color2; } else { product1a = INTERPOLATE (color5, color6); product2b = INTERPOLATE (color2, color3); } } else if (color5 == color3 && color2 != color6) { product2b = product1a = color5; if ((colorB1 == color5 && color3 == colorA2) || (color4 == color5 && color3 == colorS1)) { product1b = INTERPOLATE (color5, color6); product1b = INTERPOLATE (color5, product1b); product2a = INTERPOLATE (color5, color2); product2a = INTERPOLATE (color5, product2a); // product1b = color5; // product2a = color5; } else { product1b = INTERPOLATE (color5, color6); product2a = INTERPOLATE (color2, color3); } } else if (color5 == color3 && color2 == color6 && color5 != color6) { register int r = 0; r += GetResult (color6, color5, color1, colorA1); r += GetResult (color6, color5, color4, colorB1); r += GetResult (color6, color5, colorA2, colorS1); r += GetResult (color6, color5, colorB2, colorS2); if (r > 0) { product1b = product2a = color2; product1a = product2b = INTERPOLATE (color5, color6); } else if (r < 0) { product2b = product1a = color5; product1b = product2a = INTERPOLATE (color5, color6); } else { product2b = product1a = color5; product1b = product2a = color2; } } else { if ((color2 == color5) || (color3 == color6)) { product1a = color5; product2a = color2; product1b = color6; product2b = color3; } else { product1b = product1a = INTERPOLATE (color5, color6); product1a = INTERPOLATE (color5, product1a); product1b = INTERPOLATE (color6, product1b); product2a = product2b = INTERPOLATE (color2, color3); product2a = INTERPOLATE (color2, product2a); product2b = INTERPOLATE (color3, product2b); } } product1a = product1a | (product1b << 16); product2a = product2a | (product2b << 16); *(dP) = product1a; *(dP+(dstPitch>>2)) = product2a; bP += 1; dP += 1; }//end of for ( finish= width etc..) dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; }; //endof: for (height; height; height--) #ifdef MMX } #endif } /*ONLY use with 640x480x16 or higher resolutions*/ /*Only use this if 2*width * 2*height fits on the current screen*/ void _2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height) { uint32 *dP; uint16 *bP; uint16 *xP; #ifdef MMX if (mmx_cpu && width != 512) { for (height; height; height-=1) { bP = (uint16 *) srcPtr; xP = (uint16 *) deltaPtr; dP = (uint32 *) dstPtr; _2xSaILine ((uint8 *) bP, (uint8 *) xP, srcPitch, width, (uint8 *)dP, dstPitch); dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; } } else { #endif uint32 Nextline = srcPitch >> 1; for (height; height; height-=1) { bP = (uint16 *) srcPtr; dP = (uint32 *) dstPtr; for (uint32 finish = width; finish; finish -= 1 ) { register uint32 colorA, colorB; uint32 colorC, colorD, colorE, colorF, colorG, colorH, colorI, colorJ, colorK, colorL, colorM, colorN, colorO, colorP; uint32 product, product1, product2; //--------------------------------------- // Map of the pixels: I|E F|J // G|A B|K // H|C D|L // M|N O|P colorI = *(bP- Nextline - 1); colorE = *(bP- Nextline); colorF = *(bP- Nextline + 1); colorJ = *(bP- Nextline + 2); colorG = *(bP - 1); colorA = *(bP); colorB = *(bP + 1); colorK = *(bP + 2); colorH = *(bP + Nextline - 1); colorC = *(bP + Nextline); colorD = *(bP + Nextline + 1); colorL = *(bP + Nextline + 2); colorM = *(bP + Nextline + Nextline - 1); colorN = *(bP + Nextline + Nextline); colorO = *(bP + Nextline + Nextline + 1); colorP = *(bP + Nextline + Nextline + 2); if ((colorA == colorD) && (colorB != colorC)) { if ( ((colorA == colorE) && (colorB == colorL)) || ((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ)) ) { product = colorA; } else { product = INTERPOLATE(colorA, colorB); } if (((colorA == colorG) && (colorC == colorO)) || ((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM)) ) { product1 = colorA; } else { product1 = INTERPOLATE(colorA, colorC); } product2 = colorA; } else if ((colorB == colorC) && (colorA != colorD)) { if (((colorB == colorF) && (colorA == colorH)) || ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)) ) { product = colorB; } else { product = INTERPOLATE(colorA, colorB); } if (((colorC == colorH) && (colorA == colorF)) || ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)) ) { product1 = colorC; } else { product1 = INTERPOLATE(colorA, colorC); } product2 = colorB; } else if ((colorA == colorD) && (colorB == colorC)) { if (colorA == colorB) { product = colorA; product1 = colorA; product2 = colorA; } else { register int r = 0; product1 = INTERPOLATE(colorA, colorC); product = INTERPOLATE(colorA, colorB); r += GetResult1 (colorA, colorB, colorG, colorE, colorI); r += GetResult2 (colorB, colorA, colorK, colorF, colorJ); r += GetResult2 (colorB, colorA, colorH, colorN, colorM); r += GetResult1 (colorA, colorB, colorL, colorO, colorP); if (r > 0) product2 = colorA; else if (r < 0) product2 = colorB; else { product2 = Q_INTERPOLATE(colorA, colorB, colorC, colorD); } } } else { product2 = Q_INTERPOLATE(colorA, colorB, colorC, colorD); if ((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ)) { product = colorA; } else if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)) { product = colorB; } else { product = INTERPOLATE(colorA, colorB); } if ((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM)) { product1 = colorA; } else if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)) { product1 = colorC; } else { product1 = INTERPOLATE(colorA, colorC); } } product = colorA | (product << 16); product1 = product1 | (product2 << 16); *(dP) = product; *(dP+(dstPitch>>2)) = product1; bP += 1; dP += 1; }//end of for ( finish= width etc..) dstPtr += dstPitch << 1; srcPtr += srcPitch; deltaPtr += srcPitch; }; //endof: for (height; height; height--) #ifdef MMX } #endif }