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-rw-r--r--source/tile.h322
1 files changed, 165 insertions, 157 deletions
diff --git a/source/tile.h b/source/tile.h
index 6bc4e23..2a273f6 100644
--- a/source/tile.h
+++ b/source/tile.h
@@ -8,7 +8,7 @@
\
uint32_t TileAddr = BG.TileAddress + ((Tile & 0x3ff) << BG.TileShift); \
if ((Tile & 0x1ff) >= 256) \
- TileAddr += BG.NameSelect; \
+ TileAddr += BG.NameSelect; \
\
TileAddr &= 0xffff; \
\
@@ -16,67 +16,67 @@
pCache = &BG.Buffer[(TileNumber = (TileAddr >> BG.TileShift)) << 6]; \
\
if (!BG.Buffered [TileNumber]) \
- BG.Buffered[TileNumber] = ConvertTile (pCache, TileAddr); \
+ BG.Buffered[TileNumber] = ConvertTile (pCache, TileAddr); \
\
if (BG.Buffered [TileNumber] == BLANK_TILE) \
- return; \
+ return; \
\
uint32_t l; \
uint16_t *ScreenColors; \
if (BG.DirectColourMode) \
{ \
- if (IPPU.DirectColourMapsNeedRebuild) \
- S9xBuildDirectColourMaps (); \
- ScreenColors = DirectColourMaps [(Tile >> 10) & BG.PaletteMask]; \
+ if (IPPU.DirectColourMapsNeedRebuild) \
+ S9xBuildDirectColourMaps (); \
+ ScreenColors = DirectColourMaps [(Tile >> 10) & BG.PaletteMask]; \
} \
else \
- ScreenColors = &IPPU.ScreenColors [(((Tile >> 10) & BG.PaletteMask) << BG.PaletteShift) + BG.StartPalette];
+ ScreenColors = &IPPU.ScreenColors [(((Tile >> 10) & BG.PaletteMask) << BG.PaletteShift) + BG.StartPalette];
#define RENDER_TILE(NORMAL, FLIPPED, N) \
switch (Tile & (V_FLIP | H_FLIP)) \
{ \
case 0: \
- bp = pCache + StartLine; \
- for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
- { \
- if (*(uint32_t *) bp) \
- NORMAL (Offset, bp, ScreenColors); \
- if (*(uint32_t *) (bp + 4)) \
- NORMAL (Offset + N, bp + 4, ScreenColors); \
- } \
- break; \
+ bp = pCache + StartLine; \
+ for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
+ { \
+ if (*(uint32_t *) bp) \
+ NORMAL (Offset, bp, ScreenColors); \
+ if (*(uint32_t *) (bp + 4)) \
+ NORMAL (Offset + N, bp + 4, ScreenColors); \
+ } \
+ break; \
case H_FLIP: \
- bp = pCache + StartLine; \
- for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
- { \
- if (*(uint32_t *) (bp + 4)) \
- FLIPPED (Offset, bp + 4, ScreenColors); \
- if (*(uint32_t *) bp) \
- FLIPPED (Offset + N, bp, ScreenColors); \
- } \
- break; \
+ bp = pCache + StartLine; \
+ for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
+ { \
+ if (*(uint32_t *) (bp + 4)) \
+ FLIPPED (Offset, bp + 4, ScreenColors); \
+ if (*(uint32_t *) bp) \
+ FLIPPED (Offset + N, bp, ScreenColors); \
+ } \
+ break; \
case H_FLIP | V_FLIP: \
- bp = pCache + 56 - StartLine; \
- for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
- { \
- if (*(uint32_t *) (bp + 4)) \
- FLIPPED (Offset, bp + 4, ScreenColors); \
- if (*(uint32_t *) bp) \
- FLIPPED (Offset + N, bp, ScreenColors); \
- } \
- break; \
+ bp = pCache + 56 - StartLine; \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
+ { \
+ if (*(uint32_t *) (bp + 4)) \
+ FLIPPED (Offset, bp + 4, ScreenColors); \
+ if (*(uint32_t *) bp) \
+ FLIPPED (Offset + N, bp, ScreenColors); \
+ } \
+ break; \
case V_FLIP: \
- bp = pCache + 56 - StartLine; \
- for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
- { \
- if (*(uint32_t *) bp) \
- NORMAL (Offset, bp, ScreenColors); \
- if (*(uint32_t *) (bp + 4)) \
- NORMAL (Offset + N, bp + 4, ScreenColors); \
- } \
- break; \
+ bp = pCache + 56 - StartLine; \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
+ { \
+ if (*(uint32_t *) bp) \
+ NORMAL (Offset, bp, ScreenColors); \
+ if (*(uint32_t *) (bp + 4)) \
+ NORMAL (Offset + N, bp + 4, ScreenColors); \
+ } \
+ break; \
default: \
- break; \
+ break; \
}
#define TILE_CLIP_PREAMBLE \
@@ -85,168 +85,176 @@
\
if (StartPixel < 4) \
{ \
- d1 = HeadMask [StartPixel]; \
- if (StartPixel + Width < 4) \
- d1 &= TailMask [StartPixel + Width]; \
+ d1 = HeadMask [StartPixel]; \
+ if (StartPixel + Width < 4) \
+ d1 &= TailMask [StartPixel + Width]; \
} \
else \
- d1 = 0; \
+ d1 = 0; \
\
if (StartPixel + Width > 4) \
{ \
- if (StartPixel > 4) \
- d2 = HeadMask [StartPixel - 4]; \
- else \
- d2 = 0xffffffff; \
+ if (StartPixel > 4) \
+ d2 = HeadMask [StartPixel - 4]; \
+ else \
+ d2 = 0xffffffff; \
\
- d2 &= TailMask [(StartPixel + Width - 4)]; \
+ d2 &= TailMask [(StartPixel + Width - 4)]; \
} \
else \
- d2 = 0;
+ d2 = 0;
#define RENDER_CLIPPED_TILE(NORMAL, FLIPPED, N) \
uint32_t dd; \
switch (Tile & (V_FLIP | H_FLIP)) \
{ \
case 0: \
- bp = pCache + StartLine; \
- for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
- { \
- /* This is perfectly OK, regardless of endian. The tiles are \
- * cached in leftmost-endian order (when not horiz flipped) by \
- * the ConvertTile function. \
- */ \
- if ((dd = (*(uint32_t *) bp) & d1)) \
- NORMAL (Offset, (uint8_t *) &dd, ScreenColors); \
- if ((dd = (*(uint32_t *) (bp + 4)) & d2)) \
- NORMAL (Offset + N, (uint8_t *) &dd, ScreenColors); \
- } \
- break; \
+ bp = pCache + StartLine; \
+ for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
+ { \
+ /* This is perfectly OK, regardless of endianness. The tiles are \
+ * cached in leftmost-endian order (when not horiz flipped) by \
+ * the ConvertTile function. \
+ */ \
+ if ((dd = (*(uint32_t *) bp) & d1)) \
+ NORMAL (Offset, (uint8_t *) &dd, ScreenColors); \
+ if ((dd = (*(uint32_t *) (bp + 4)) & d2)) \
+ NORMAL (Offset + N, (uint8_t *) &dd, ScreenColors); \
+ } \
+ break; \
case H_FLIP: \
- bp = pCache + StartLine; \
- SWAP_DWORD (d1); \
- SWAP_DWORD (d2); \
- for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
- { \
- if ((dd = *(uint32_t *) (bp + 4) & d1)) \
- FLIPPED (Offset, (uint8_t *) &dd, ScreenColors); \
- if ((dd = *(uint32_t *) bp & d2)) \
- FLIPPED (Offset + N, (uint8_t *) &dd, ScreenColors); \
- } \
- break; \
+ bp = pCache + StartLine; \
+ SWAP_DWORD (d1); \
+ SWAP_DWORD (d2); \
+ for (l = LineCount; l != 0; l--, bp += 8, Offset += GFX.PPL) \
+ { \
+ if ((dd = *(uint32_t *) (bp + 4) & d1)) \
+ FLIPPED (Offset, (uint8_t *) &dd, ScreenColors); \
+ if ((dd = *(uint32_t *) bp & d2)) \
+ FLIPPED (Offset + N, (uint8_t *) &dd, ScreenColors); \
+ } \
+ break; \
case H_FLIP | V_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_t *) (bp + 4) & d1)) \
- FLIPPED (Offset, (uint8_t *) &dd, ScreenColors); \
- if ((dd = *(uint32_t *) bp & d2)) \
- FLIPPED (Offset + N, (uint8_t *) &dd, ScreenColors); \
- } \
- break; \
+ bp = pCache + 56 - StartLine; \
+ SWAP_DWORD (d1); \
+ SWAP_DWORD (d2); \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
+ { \
+ if ((dd = *(uint32_t *) (bp + 4) & d1)) \
+ FLIPPED (Offset, (uint8_t *) &dd, ScreenColors); \
+ if ((dd = *(uint32_t *) bp & d2)) \
+ FLIPPED (Offset + N, (uint8_t *) &dd, ScreenColors); \
+ } \
+ break; \
case V_FLIP: \
- bp = pCache + 56 - StartLine; \
- for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
- { \
- if ((dd = (*(uint32_t *) bp) & d1)) \
- NORMAL (Offset, (uint8_t *) &dd, ScreenColors); \
- if ((dd = (*(uint32_t *) (bp + 4)) & d2)) \
- NORMAL (Offset + N, (uint8_t *) &dd, ScreenColors); \
- } \
- break; \
+ bp = pCache + 56 - StartLine; \
+ for (l = LineCount; l != 0; l--, bp -= 8, Offset += GFX.PPL) \
+ { \
+ if ((dd = (*(uint32_t *) bp) & d1)) \
+ NORMAL (Offset, (uint8_t *) &dd, ScreenColors); \
+ if ((dd = (*(uint32_t *) (bp + 4)) & d2)) \
+ NORMAL (Offset + N, (uint8_t *) &dd, ScreenColors); \
+ } \
+ break; \
default: \
- break; \
+ break; \
}
#define RENDER_TILE_LARGE(PIXEL, FUNCTION) \
switch (Tile & (V_FLIP | H_FLIP)) \
{ \
case H_FLIP: \
- StartPixel = 7 - StartPixel; \
- /* fallthrough for no-flip case - above was a horizontal flip */ \
+ StartPixel = 7 - StartPixel; \
+ /* fallthrough for no-flip case - above was a horizontal flip */ \
case 0: \
- if ((pixel = *(pCache + StartLine + StartPixel))) \
- { \
- pixel = PIXEL; \
- for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
+ if ((pixel = *(pCache + StartLine + StartPixel))) \
{ \
- int32_t z; \
- for (z = Pixels - 1; z >= 0; z--) \
- if (GFX.Z1 > Depth [z]) \
+ pixel = PIXEL; \
+ for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
{ \
- sp [z] = FUNCTION(sp + z, pixel); \
- Depth [z] = GFX.Z2; \
- }\
+ int32_t z; \
+ for (z = Pixels - 1; z >= 0; z--) \
+ { \
+ if (GFX.Z1 > Depth [z]) \
+ { \
+ sp [z] = FUNCTION(sp + z, pixel); \
+ Depth [z] = GFX.Z2; \
+ }\
+ } \
+ } \
} \
- } \
- break; \
+ break; \
case H_FLIP | V_FLIP: \
- StartPixel = 7 - StartPixel; \
- /* fallthrough for V_FLIP-only case - above was a horizontal flip */ \
+ StartPixel = 7 - StartPixel; \
+ /* fallthrough for V_FLIP-only case - above was a horizontal flip */ \
case V_FLIP: \
- if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \
- { \
- pixel = PIXEL; \
- for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
+ if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \
{ \
- int32_t z; \
- for (z = Pixels - 1; z >= 0; z--) \
- if (GFX.Z1 > Depth [z]) \
+ pixel = PIXEL; \
+ for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
{ \
- sp [z] = FUNCTION(sp + z, pixel); \
- Depth [z] = GFX.Z2; \
- }\
+ int32_t z; \
+ for (z = Pixels - 1; z >= 0; z--) \
+ { \
+ if (GFX.Z1 > Depth [z]) \
+ { \
+ sp [z] = FUNCTION(sp + z, pixel); \
+ Depth [z] = GFX.Z2; \
+ }\
+ } \
+ } \
} \
- } \
- break; \
+ break; \
default: \
- break; \
+ break; \
}
#define RENDER_TILE_LARGE_HALFWIDTH(PIXEL, FUNCTION) \
switch (Tile & (V_FLIP | H_FLIP)) \
{ \
case H_FLIP: \
- StartPixel = 7 - StartPixel; \
- /* fallthrough for no-flip case - above was a horizontal flip */ \
+ StartPixel = 7 - StartPixel; \
+ /* fallthrough for no-flip case - above was a horizontal flip */ \
case 0: \
- if ((pixel = *(pCache + StartLine + StartPixel))) \
- { \
- pixel = PIXEL; \
- for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
+ if ((pixel = *(pCache + StartLine + StartPixel))) \
{ \
- int32_t z; \
- for (z = Pixels - 2; z >= 0; z -= 2) \
- if (GFX.Z1 > Depth [z]) \
+ pixel = PIXEL; \
+ for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
{ \
- sp [z >> 1] = FUNCTION(sp + z, pixel); \
- Depth [z >> 1] = GFX.Z2; \
- }\
+ int32_t z; \
+ for (z = Pixels - 2; z >= 0; z -= 2) \
+ { \
+ if (GFX.Z1 > Depth [z]) \
+ { \
+ sp [z >> 1] = FUNCTION(sp + z, pixel); \
+ Depth [z >> 1] = GFX.Z2; \
+ } \
+ } \
+ } \
} \
- } \
- break; \
+ break; \
case H_FLIP | V_FLIP: \
- StartPixel = 7 - StartPixel; \
- /* fallthrough for V_FLIP-only case - above was a horizontal flip */ \
+ StartPixel = 7 - StartPixel; \
+ /* fallthrough for V_FLIP-only case - above was a horizontal flip */ \
case V_FLIP: \
- if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \
- { \
- pixel = PIXEL; \
- for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
+ if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \
{ \
- int32_t z; \
- for (z = Pixels - 2; z >= 0; z -= 2) \
- if (GFX.Z1 > Depth [z]) \
+ pixel = PIXEL; \
+ for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \
{ \
- sp [z >> 1] = FUNCTION(sp + z, pixel); \
- Depth [z >> 1] = GFX.Z2; \
- }\
+ int32_t z; \
+ for (z = Pixels - 2; z >= 0; z -= 2) \
+ { \
+ if (GFX.Z1 > Depth [z]) \
+ { \
+ sp [z >> 1] = FUNCTION(sp + z, pixel); \
+ Depth [z >> 1] = GFX.Z2; \
+ } \
+ } \
+ } \
} \
- } \
- break; \
+ break; \
default: \
- break; \
+ break; \
}
#endif
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