summaryrefslogtreecommitdiff
path: root/src/tile16.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/tile16.h')
-rw-r--r--src/tile16.h308
1 files changed, 308 insertions, 0 deletions
diff --git a/src/tile16.h b/src/tile16.h
new file mode 100644
index 0000000..3fc1be6
--- /dev/null
+++ b/src/tile16.h
@@ -0,0 +1,308 @@
+/*
+ * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+ *
+ * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
+ * Jerremy Koot (jkoot@snes9x.com)
+ *
+ * Super FX C emulator code
+ * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
+ * Gary Henderson.
+ * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
+ *
+ * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
+ * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
+ * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
+ *
+ * DOS port code 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_
+
+
+void SelectConvertTile();
+void SelectPalette();
+extern uint8 (*ConvertTile) (uint8 *pCache, uint32 TileAddr);
+
+extern uint32 TileBlank;
+
+#define TILE_PREAMBLE \
+ uint8 *pCache; \
+\
+ uint32 TileAddr = (BG.TileAddress + ((Tile & 0x3ff) << BG.TileShift)) & 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){ \
+ TileBlank = Tile; \
+ return; \
+ } \
+\
+ GFX.ScreenColors = &GFX.ScreenColorsPre[(Tile & GFX.PaletteMask) >> GFX.PaletteShift];
+
+#define RENDER_TILE(NORMAL, FLIPPED, N) \
+ register int inc; \
+ if (!(Tile & V_FLIP)){ \
+ bp = pCache + StartLine; \
+ inc = 8; \
+ } else { \
+ bp = pCache + 56 - StartLine; \
+ inc = -8; \
+ } \
+ \
+ l = LineCount; \
+ if (!(Tile & H_FLIP)){ \
+ while ( l-- ){ \
+ NORMAL (Offset, bp); \
+ NORMAL (Offset + N, bp + 4); \
+ bp += inc, Offset += GFX_PPL; \
+ } \
+ } else { \
+ while ( l-- ){ \
+ FLIPPED (Offset, bp + 4); \
+ FLIPPED (Offset + N, bp); \
+ bp += inc, Offset += GFX_PPL; \
+ } \
+ }
+
+#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) \
+ register int inc; \
+ if (Tile & V_FLIP){ \
+ bp = pCache + 56 - StartLine; \
+ inc = -8; \
+ } else { \
+ bp = pCache + StartLine; \
+ inc = 8; \
+ } \
+ \
+ l = LineCount; \
+ if (!(Tile & H_FLIP)){ \
+ while ( l-- ){ \
+ if ((dd = (*(uint32 *) bp) & d1)) \
+ NORMAL (Offset, (uint8 *) &dd); \
+ if ((dd = (*(uint32 *) (bp + 4)) & d2)) \
+ NORMAL (Offset + N, (uint8 *) &dd); \
+ bp += inc, Offset += GFX_PPL; \
+ } \
+ } else { \
+ SWAP_DWORD (d1); \
+ SWAP_DWORD (d2); \
+ while ( l-- ){ \
+ if ((dd = *(uint32 *) (bp + 4) & d1)) \
+ FLIPPED (Offset, (uint8 *) &dd); \
+ if ((dd = *(uint32 *) bp & d2)) \
+ FLIPPED (Offset + N, (uint8 *) &dd); \
+ bp += inc, Offset += GFX_PPL; \
+ } \
+ }
+
+#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; \
+ }\
+ } \
+ } \
+ }
+
+#define RENDER_TILEHI(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)*/if (((uint32)bp[0])|((uint32)bp[2])|((uint32)bp[4])|((uint32)bp[6])) \
+ NORMAL (Offset, bp); \
+ } \
+ } \
+ else \
+ if (!(Tile & V_FLIP)) \
+ { \
+ bp = pCache + StartLine; \
+ for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX_PPL) \
+ { \
+ /*if (*(uint32 *) (bp + 4))*/if (((uint32)bp[0])|((uint32)bp[2])|((uint32)bp[4])|((uint32)bp[6])) \
+ FLIPPED (Offset, 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))*/if (((uint32)bp[0])|((uint32)bp[2])|((uint32)bp[4])|((uint32)bp[6])) \
+ FLIPPED (Offset, bp); \
+ } \
+ } \
+ else \
+ { \
+ bp = pCache + 56 - StartLine; \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX_PPL) \
+ { \
+ /*if (*(uint32 *) bp)*/if (((uint32)bp[0])|((uint32)bp[2])|((uint32)bp[4])|((uint32)bp[6])) \
+ NORMAL (Offset, bp); \
+ } \
+ }
+
+
+
+#define RENDER_CLIPPED_TILEHI(NORMAL, FLIPPED, N) \
+ d1=(d1&0xFF)|((d1&0xFF0000)>>8)|((d2&0xFF)<<16)|((d2&0xFF0000)<<8);\
+ 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))*/if (dd = (((((uint32)bp[6])<<24)|(((uint32)bp[4])<<16)|(((uint32)bp[2])<<8)|((uint32)bp[0]))&d1)) \
+ NORMAL (Offset, (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))*/if (dd = (((((uint32)bp[6])<<24)|(((uint32)bp[4])<<16)|(((uint32)bp[2])<<8)|((uint32)bp[0]))&d1)) \
+ FLIPPED (Offset, (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))*/if (dd = (((((uint32)bp[6])<<24)|(((uint32)bp[4])<<16)|(((uint32)bp[2])<<8)|((uint32)bp[0]))&d1)) \
+ FLIPPED (Offset, (uint8 *) &dd); \
+ } \
+ } \
+ else \
+ { \
+ bp = pCache + 56 - StartLine; \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX_PPL) \
+ { \
+ /*if ((dd = (*(uint32 *) bp) & d1))*/ if (dd = (((((uint32)bp[6])<<24)|(((uint32)bp[4])<<16)|(((uint32)bp[2])<<8)|((uint32)bp[0]))&d1)) \
+ NORMAL (Offset, (uint8 *) &dd); \
+ } \
+ }
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 12:12:00 +0000