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author | Kitty Draper | 2011-03-05 21:39:25 -0500 |
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committer | Kitty Draper | 2011-03-05 21:39:25 -0500 |
commit | d40ae99422e118188a7f48055dc340c6aca022aa (patch) | |
tree | 83ab93f49fd9e66e43bcd824091ae1dbcaa0c173 /source/tile.h | |
download | snes9x2005-d40ae99422e118188a7f48055dc340c6aca022aa.tar.gz snes9x2005-d40ae99422e118188a7f48055dc340c6aca022aa.tar.bz2 snes9x2005-d40ae99422e118188a7f48055dc340c6aca022aa.zip |
first commit
Diffstat (limited to 'source/tile.h')
-rw-r--r-- | source/tile.h | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/source/tile.h b/source/tile.h new file mode 100644 index 0000000..f5b4d85 --- /dev/null +++ b/source/tile.h @@ -0,0 +1,317 @@ +/******************************************************************************* + Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. + + (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and + Jerremy Koot (jkoot@snes9x.com) + + (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net) + + (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net), + funkyass (funkyass@spam.shaw.ca), + Joel Yliluoma (http://iki.fi/bisqwit/) + Kris Bleakley (codeviolation@hotmail.com), + Matthew Kendora, + Nach (n-a-c-h@users.sourceforge.net), + Peter Bortas (peter@bortas.org) and + zones (kasumitokoduck@yahoo.com) + + C4 x86 assembler and some C emulation code + (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com), + _Demo_ (_demo_@zsnes.com), and Nach + + C4 C++ code + (c) Copyright 2003 Brad Jorsch + + DSP-1 emulator code + (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson, + John Weidman, neviksti (neviksti@hotmail.com), + Kris Bleakley, Andreas Naive + + 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 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and + 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, and Dark Force + + S-DD1 C emulator code + (c) Copyright 2003 Brad Jorsch with research by + Andreas Naive and John Weidman + + S-RTC C emulator code + (c) Copyright 2001 John Weidman + + ST010 C++ emulator code + (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora + + Super FX x86 assembler emulator code + (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault + + Super FX C emulator code + (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman + + + SH assembler code partly based on x86 assembler code + (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) + + + 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 _TILE_H_ +#define _TILE_H_ + +#define TILE_PREAMBLE \ + uint8 *pCache; \ +\ + uint32 TileAddr = BG.TileAddress + ((Tile & 0x3ff) << BG.TileShift); \ + if ((Tile & 0x1ff) >= 256) \ + TileAddr += BG.NameSelect; \ +\ + TileAddr &= 0xffff; \ +\ + uint32 TileNumber; \ + pCache = &BG.Buffer[(TileNumber = (TileAddr >> BG.TileShift)) << 6]; \ +\ + if (!BG.Buffered [TileNumber]) \ + BG.Buffered[TileNumber] = ConvertTile (pCache, TileAddr); \ +\ + if (BG.Buffered [TileNumber] == BLANK_TILE) \ + return; \ +\ + register uint32 l; \ + if (BG.DirectColourMode) \ + { \ + if (IPPU.DirectColourMapsNeedRebuild) \ + S9xBuildDirectColourMaps (); \ + GFX.ScreenColors = DirectColourMaps [(Tile >> 10) & BG.PaletteMask]; \ + } \ + else \ + GFX.ScreenColors = &IPPU.ScreenColors [(((Tile >> 10) & BG.PaletteMask) << BG.PaletteShift) + BG.StartPalette]; + +#define RENDER_TILE(NORMAL, FLIPPED, N) \ + if (!(Tile & (V_FLIP | H_FLIP))) \ + { \ + bp = pCache + StartLine; \ + for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \ + { \ + if (*(uint32 *) bp) \ + NORMAL (Offset, bp); \ + if (*(uint32 *) (bp + 4)) \ + NORMAL (Offset + N, bp + 4); \ + } \ + } \ + else \ + if (!(Tile & V_FLIP)) \ + { \ + bp = pCache + StartLine; \ + for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \ + { \ + if (*(uint32 *) (bp + 4)) \ + FLIPPED (Offset, bp + 4); \ + if (*(uint32 *) bp) \ + FLIPPED (Offset + N, bp); \ + } \ + } \ + else \ + if (Tile & H_FLIP) \ + { \ + bp = pCache + 56 - StartLine; \ + for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \ + { \ + if (*(uint32 *) (bp + 4)) \ + FLIPPED (Offset, bp + 4); \ + if (*(uint32 *) bp) \ + FLIPPED (Offset + N, bp); \ + } \ + } \ + else \ + { \ + bp = pCache + 56 - StartLine; \ + for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \ + { \ + if (*(uint32 *) bp) \ + NORMAL (Offset, bp); \ + if (*(uint32 *) (bp + 4)) \ + NORMAL (Offset + N, bp + 4); \ + } \ + } + +#define TILE_CLIP_PREAMBLE \ + uint32 dd; \ + uint32 d1; \ + uint32 d2; \ +\ + if (StartPixel < 4) \ + { \ + d1 = HeadMask [StartPixel]; \ + if (StartPixel + Width < 4) \ + d1 &= TailMask [StartPixel + Width]; \ + } \ + else \ + d1 = 0; \ +\ + if (StartPixel + Width > 4) \ + { \ + if (StartPixel > 4) \ + d2 = HeadMask [StartPixel - 4]; \ + else \ + d2 = 0xffffffff; \ +\ + d2 &= TailMask [(StartPixel + Width - 4)]; \ + } \ + else \ + d2 = 0; + + +#define RENDER_CLIPPED_TILE(NORMAL, FLIPPED, N) \ + if (!(Tile & (V_FLIP | H_FLIP))) \ + { \ + bp = pCache + StartLine; \ + for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \ + { \ + if ((dd = (*(uint32 *) bp) & d1)) \ + NORMAL (Offset, (uint8 *) &dd); \ + if ((dd = (*(uint32 *) (bp + 4)) & d2)) \ + NORMAL (Offset + N, (uint8 *) &dd); \ + } \ + } \ + else \ + if (!(Tile & V_FLIP)) \ + { \ + bp = pCache + StartLine; \ + SWAP_DWORD (d1); \ + SWAP_DWORD (d2); \ + for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \ + { \ + if ((dd = *(uint32 *) (bp + 4) & d1)) \ + FLIPPED (Offset, (uint8 *) &dd); \ + if ((dd = *(uint32 *) bp & d2)) \ + FLIPPED (Offset + N, (uint8 *) &dd); \ + } \ + } \ + else \ + if (Tile & H_FLIP) \ + { \ + bp = pCache + 56 - StartLine; \ + SWAP_DWORD (d1); \ + SWAP_DWORD (d2); \ + for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \ + { \ + if ((dd = *(uint32 *) (bp + 4) & d1)) \ + FLIPPED (Offset, (uint8 *) &dd); \ + if ((dd = *(uint32 *) bp & d2)) \ + FLIPPED (Offset + N, (uint8 *) &dd); \ + } \ + } \ + else \ + { \ + bp = pCache + 56 - StartLine; \ + for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \ + { \ + if ((dd = (*(uint32 *) bp) & d1)) \ + NORMAL (Offset, (uint8 *) &dd); \ + if ((dd = (*(uint32 *) (bp + 4)) & d2)) \ + NORMAL (Offset + N, (uint8 *) &dd); \ + } \ + } + +#define RENDER_TILE_LARGE(PIXEL, FUNCTION) \ + if (!(Tile & (V_FLIP | H_FLIP))) \ + { \ + if ((pixel = *(pCache + StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 1; z >= 0; z--) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z] = FUNCTION(sp + z, pixel); \ + Depth [z] = GFX.Z2; \ + }\ + } \ + } \ + } \ + else \ + if (!(Tile & V_FLIP)) \ + { \ + StartPixel = 7 - StartPixel; \ + if ((pixel = *(pCache + StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 1; z >= 0; z--) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z] = FUNCTION(sp + z, pixel); \ + Depth [z] = GFX.Z2; \ + }\ + } \ + } \ + } \ + else \ + if (Tile & H_FLIP) \ + { \ + StartPixel = 7 - StartPixel; \ + if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 1; z >= 0; z--) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z] = FUNCTION(sp + z, pixel); \ + Depth [z] = GFX.Z2; \ + }\ + } \ + } \ + } \ + else \ + { \ + if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 1; z >= 0; z--) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z] = FUNCTION(sp + z, pixel); \ + Depth [z] = GFX.Z2; \ + }\ + } \ + } \ + } +#endif + |