From 6fb0c7a7a53e1eba7a0f5dc5b1ade312a0d76119 Mon Sep 17 00:00:00 2001 From: Toad King Date: Thu, 14 Jun 2012 03:21:06 -0400 Subject: initial pocketsnes commit --- src/gfx16.cpp.last | 3185 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 3185 insertions(+) create mode 100644 src/gfx16.cpp.last (limited to 'src/gfx16.cpp.last') diff --git a/src/gfx16.cpp.last b/src/gfx16.cpp.last new file mode 100644 index 0000000..24e004b --- /dev/null +++ b/src/gfx16.cpp.last @@ -0,0 +1,3185 @@ +/* + * 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. + */ +#include "snes9x.h" + +#include "memmap.h" +#include "ppu.h" +#include "cpuexec.h" +#include "display.h" +#include "gfx.h" +#include "apu.h" +#include "cheats.h" +#include +#include "asmmemfuncs.h" +#include "mode7.h" +#include "rops.h" +#include "tile16.h" +uint32 TileBlank; + +const int tx_table[16] = { +// t1 = 16, t2 = 0 + // FLIP = 0x00 + 16 + 0, // 0x00 + 16 + 1, // 0x01 + + // FLIP = 0x01 + 16 + 1 - 0, // 0x02 + 16 + 1 - 1, // 0x03 + + // FLIP = 0x02 + 0 + 0, // 0x04 + 0 + 1, // 0x05 + + // FLIP = 0x03 + 0 + 1 - 0, // 0x06 + 0 + 1 - 1, // 0x07 + +// t1 = 0, t2 = 16 + // FLIP = 0x00 + 0 + 0, // 0x08 + 0 + 1, // 0x09 + + // FLIP = 0x01 + 0 + 1 - 0, // 0x0A + 0 + 1 - 1, // 0x0B + + // FLIP = 0x02 + 16 + 0, // 0x0C + 16 + 1, // 0x0D + + // FLIP = 0x03 + 16 + 1 - 0, // 0x0E + 16 + 1 - 1 // 0x0F +}; + +#define M7 19 +#define M8 19 + +void ComputeClipWindows (); +static void S9xDisplayFrameRate (); +static void S9xDisplayString (const char *string); + +extern uint8 BitShifts[8][4]; +extern uint8 TileShifts[8][4]; +extern uint8 PaletteShifts[8][4]; +extern uint8 PaletteMasks[8][4]; +extern uint8 Depths[8][4]; +extern uint8 BGSizes [2]; + +extern NormalTileRenderer DrawTilePtr; +extern ClippedTileRenderer DrawClippedTilePtr; +extern NormalTileRenderer DrawHiResTilePtr; +extern ClippedTileRenderer DrawHiResClippedTilePtr; +extern LargePixelRenderer DrawLargePixelPtr; + +extern struct SBG BG; + +extern struct SLineData LineData[240]; +extern struct SLineMatrixData LineMatrixData [240]; + +extern uint8 Mode7Depths [2]; + +#define ON_MAIN(N) (GFX.r212c & (1 << (N))) + +#define SUB_OR_ADD(N) \ +(GFX.r2131 & (1 << (N))) + +#define ON_SUB(N) \ +((GFX.r2130 & 0x30) != 0x30 && \ + (GFX.r2130 & 2) && \ + (GFX.r212d & (1 << N))) + +#define ANYTHING_ON_SUB \ +((GFX.r2130 & 0x30) != 0x30 && \ + (GFX.r2130 & 2) && \ + (GFX.r212d & 0x1f)) + +#define ADD_OR_SUB_ON_ANYTHING \ +(GFX.r2131 & 0x3f) + +#define BLACK BUILD_PIXEL(0,0,0) + +void DrawNoZTile16 (uint32 Tile, uint32 Offset, uint32 StartLine, uint32 LineCount); +void DrawTile16 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); +void DrawClippedTile16 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); +void DrawTile16x2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); +void DrawClippedTile16x2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); +void DrawTile16x2x2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); +void DrawClippedTile16x2x2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); +void DrawLargePixel16 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Pixels, + uint32 StartLine, uint32 LineCount); + +void DrawNoZTile16Add (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawTile16Add (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16Add (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawNoZTile16Add1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawTile16Add1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16Add1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawTile16FixedAdd1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16FixedAdd1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawNoZTile16Sub (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + + +void DrawTile16Sub (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16Sub (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawNoZTile16Sub1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + + +void DrawTile16Sub1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16Sub1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawTile16FixedSub1_2 (uint32 Tile, uint32 Offset, uint32 StartLine, + uint32 LineCount); + +void DrawClippedTile16FixedSub1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawLargePixel16Add (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Pixels, + uint32 StartLine, uint32 LineCount); + +void DrawLargePixel16Add1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Pixels, + uint32 StartLine, uint32 LineCount); + +void DrawLargePixel16Sub (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Pixels, + uint32 StartLine, uint32 LineCount); + +void DrawLargePixel16Sub1_2 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Pixels, + uint32 StartLine, uint32 LineCount); + +void DrawHiResClippedTile16 (uint32 Tile, uint32 Offset, + uint32 StartPixel, uint32 Width, + uint32 StartLine, uint32 LineCount); + +void DrawHiResTile16 (uint32 Tile, uint32 Offset, + uint32 StartLine, uint32 LineCount); + +bool8_32 S9xGraphicsInit () +{ + register uint32 PixelOdd = 1; + register uint32 PixelEven = 2; + +#ifdef GFX_MULTI_FORMAT + if (GFX.BuildPixel == NULL) + S9xSetRenderPixelFormat (RGB565); +#endif + + for (uint8 bitshift = 0; bitshift < 4; bitshift++) + { + for (register int i = 0; i < 16; i++) + { + register uint32 h = 0; + register uint32 l = 0; + +#if defined(LSB_FIRST) +// Wiz usa LSB_FIRST + if (i & 8) + h |= PixelOdd; + if (i & 4) + h |= PixelOdd << 8; + if (i & 2) + h |= PixelOdd << 16; + if (i & 1) + h |= PixelOdd << 24; + if (i & 8) + l |= PixelOdd; + if (i & 4) + l |= PixelOdd << 8; + if (i & 2) + l |= PixelOdd << 16; + if (i & 1) + l |= PixelOdd << 24; +#else + if (i & 8) + h |= (PixelOdd << 24); + if (i & 4) + h |= (PixelOdd << 16); + if (i & 2) + h |= (PixelOdd << 8); + if (i & 1) + h |= PixelOdd; + if (i & 8) + l |= (PixelOdd << 24); + if (i & 4) + l |= (PixelOdd << 16); + if (i & 2) + l |= (PixelOdd << 8); + if (i & 1) + l |= PixelOdd; +#endif + + odd_high[bitshift][i] = h; + odd_low[bitshift][i] = l; + h = l = 0; + +#if defined(LSB_FIRST) + if (i & 8) + h |= PixelEven; + if (i & 4) + h |= PixelEven << 8; + if (i & 2) + h |= PixelEven << 16; + if (i & 1) + h |= PixelEven << 24; + if (i & 8) + l |= PixelEven; + if (i & 4) + l |= PixelEven << 8; + if (i & 2) + l |= PixelEven << 16; + if (i & 1) + l |= PixelEven << 24; +#else + if (i & 8) + h |= (PixelEven << 24); + if (i & 4) + h |= (PixelEven << 16); + if (i & 2) + h |= (PixelEven << 8); + if (i & 1) + h |= PixelEven; + if (i & 8) + l |= (PixelEven << 24); + if (i & 4) + l |= (PixelEven << 16); + if (i & 2) + l |= (PixelEven << 8); + if (i & 1) + l |= PixelEven; +#endif + + even_high[bitshift][i] = h; + even_low[bitshift][i] = l; + } + PixelEven <<= 2; + PixelOdd <<= 2; + } + + GFX.Delta = (GFX.SubScreen - GFX.Screen) >> 1; + GFX.DepthDelta = GFX.SubZBuffer - GFX.ZBuffer; + //GFX.InfoStringTimeout = 0; + //GFX.InfoString = NULL; + + PPU.BG_Forced = 0; + IPPU.OBJChanged = TRUE; + + IPPU.DirectColourMapsNeedRebuild = TRUE; + DrawTilePtr = DrawTile16; + DrawClippedTilePtr = DrawClippedTile16; + DrawLargePixelPtr = DrawLargePixel16; + DrawHiResTilePtr= DrawHiResTile16; + DrawHiResClippedTilePtr = DrawHiResClippedTile16; + S9xFixColourBrightness (); + + if (!(GFX.X2 = (uint16 *) malloc (sizeof (uint16) * 0x10000))) + return (FALSE); + + if (!(GFX.ZERO_OR_X2 = (uint16 *) malloc (sizeof (uint16) * 0x10000)) || + !(GFX.ZERO = (uint16 *) malloc (sizeof (uint16) * 0x10000))) + { + if (GFX.ZERO_OR_X2) + { + free ((char *) GFX.ZERO_OR_X2); + GFX.ZERO_OR_X2 = NULL; + } + if (GFX.X2) + { + free ((char *) GFX.X2); + GFX.X2 = NULL; + } + return (FALSE); + } + uint32 r, g, b; + + // Build a lookup table that multiplies a packed RGB value by 2 with + // saturation. + for (r = 0; r <= MAX_RED; r++) + { + uint32 r2 = r << 1; + if (r2 > MAX_RED) + r2 = MAX_RED; + for (g = 0; g <= MAX_GREEN; g++) + { + uint32 g2 = g << 1; + if (g2 > MAX_GREEN) + g2 = MAX_GREEN; + for (b = 0; b <= MAX_BLUE; b++) + { + uint32 b2 = b << 1; + if (b2 > MAX_BLUE) + b2 = MAX_BLUE; + GFX.X2 [BUILD_PIXEL2 (r, g, b)] = BUILD_PIXEL2 (r2, g2, b2); + GFX.X2 [BUILD_PIXEL2 (r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2 (r2, g2, b2); + } + } + } + ZeroMemory (GFX.ZERO, 0x10000 * sizeof (uint16)); + ZeroMemory (GFX.ZERO_OR_X2, 0x10000 * sizeof (uint16)); + // Build a lookup table that if the top bit of the color value is zero + // then the value is zero, otherwise multiply the value by 2. Used by + // the color subtraction code. + +#if defined(OLD_COLOUR_BLENDING) + for (r = 0; r <= MAX_RED; r++) + { + uint32 r2 = r; + if ((r2 & 0x10) == 0) + r2 = 0; + else + r2 = (r2 << 1) & MAX_RED; + + for (g = 0; g <= MAX_GREEN; g++) + { + uint32 g2 = g; + if ((g2 & GREEN_HI_BIT) == 0) + g2 = 0; + else + g2 = (g2 << 1) & MAX_GREEN; + + for (b = 0; b <= MAX_BLUE; b++) + { + uint32 b2 = b; + if ((b2 & 0x10) == 0) + b2 = 0; + else + b2 = (b2 << 1) & MAX_BLUE; + + GFX.ZERO_OR_X2 [BUILD_PIXEL2 (r, g, b)] = BUILD_PIXEL2 (r2, g2, b2); + GFX.ZERO_OR_X2 [BUILD_PIXEL2 (r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2 (r2, g2, b2); + } + } + } +#else + for (r = 0; r <= MAX_RED; r++) + { + uint32 r2 = r; + if ((r2 & 0x10) == 0) + r2 = 0; + else + r2 = (r2 << 1) & MAX_RED; + + if (r2 == 0) + r2 = 1; + for (g = 0; g <= MAX_GREEN; g++) + { + uint32 g2 = g; + if ((g2 & GREEN_HI_BIT) == 0) + g2 = 0; + else + g2 = (g2 << 1) & MAX_GREEN; + + if (g2 == 0) + g2 = 1; + for (b = 0; b <= MAX_BLUE; b++) + { + uint32 b2 = b; + if ((b2 & 0x10) == 0) + b2 = 0; + else + b2 = (b2 << 1) & MAX_BLUE; + + if (b2 == 0) + b2 = 1; + GFX.ZERO_OR_X2 [BUILD_PIXEL2 (r, g, b)] = BUILD_PIXEL2 (r2, g2, b2); + GFX.ZERO_OR_X2 [BUILD_PIXEL2 (r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2 (r2, g2, b2); + } + } + } +#endif + + // Build a lookup table that if the top bit of the color value is zero + // then the value is zero, otherwise its just the value. + for (r = 0; r <= MAX_RED; r++) + { + uint32 r2 = r; + if ((r2 & 0x10) == 0) + r2 = 0; + else + r2 &= ~0x10; + + for (g = 0; g <= MAX_GREEN; g++) + { + uint32 g2 = g; + if ((g2 & GREEN_HI_BIT) == 0) + g2 = 0; + else + g2 &= ~GREEN_HI_BIT; + for (b = 0; b <= MAX_BLUE; b++) + { + uint32 b2 = b; + if ((b2 & 0x10) == 0) + b2 = 0; + else + b2 &= ~0x10; + + GFX.ZERO [BUILD_PIXEL2 (r, g, b)] = BUILD_PIXEL2 (r2, g2, b2); + GFX.ZERO [BUILD_PIXEL2 (r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2 (r2, g2, b2); + } + } + } + + return (TRUE); +} + +void S9xGraphicsDeinit (void) +{ + // Free any memory allocated in S9xGraphicsInit + if (GFX.X2) + { + free ((char *) GFX.X2); + GFX.X2 = NULL; + } + if (GFX.ZERO_OR_X2) + { + free ((char *) GFX.ZERO_OR_X2); + GFX.ZERO_OR_X2 = NULL; + } + if (GFX.ZERO) + { + free ((char *) GFX.ZERO); + GFX.ZERO = NULL; + } +} + +void S9xBuildDirectColourMaps () +{ + for (uint32 p = 0; p < 8; p++) + { + for (uint32 c = 0; c < 256; c++) + { +// XXX: Brightness + DirectColourMaps [p][c] = BUILD_PIXEL (((c & 7) << 2) | ((p & 1) << 1), + ((c & 0x38) >> 1) | (p & 2), + ((c & 0xc0) >> 3) | (p & 4)); + } + } + IPPU.DirectColourMapsNeedRebuild = FALSE; +} + +void S9xStartScreenRefresh () +{ + if (IPPU.RenderThisFrame) + { +#ifndef _SNESPPC + if (!S9xInitUpdate ()) + { + IPPU.RenderThisFrame = FALSE; + return; + } +#endif + IPPU.RenderedFramesCount++; + IPPU.PreviousLine = IPPU.CurrentLine = 0; + IPPU.MaxBrightness = PPU.Brightness; + IPPU.LatchedBlanking = PPU.ForcedBlanking; + IPPU.LatchedInterlace = (Memory.FillRAM[0x2133] & 1); + IPPU.RenderedScreenWidth = 256; + IPPU.RenderedScreenHeight = PPU.ScreenHeight; + IPPU.DoubleWidthPixels = FALSE; + + PPU.RecomputeClipWindows = TRUE; + GFX.DepthDelta = GFX.SubZBuffer - GFX.ZBuffer; + GFX.Delta = (GFX.SubScreen - GFX.Screen) >> 1; + + } + if (++IPPU.FrameCount % Memory.ROMFramesPerSecond == 0) + { + IPPU.DisplayedRenderedFrameCount = IPPU.RenderedFramesCount; + IPPU.RenderedFramesCount = 0; + IPPU.FrameCount = 0; + } +} + +void RenderLine (uint8 C) +{ + if (IPPU.RenderThisFrame) + { + + LineData[C].BG[0].VOffset = PPU.BG[0].VOffset + 1; + LineData[C].BG[0].HOffset = PPU.BG[0].HOffset; + LineData[C].BG[1].VOffset = PPU.BG[1].VOffset + 1; + LineData[C].BG[1].HOffset = PPU.BG[1].HOffset; + + if (PPU.BGMode == 7) + { + struct SLineMatrixData *p = &LineMatrixData [C]; + p->MatrixA = PPU.MatrixA; + p->MatrixB = PPU.MatrixB; + p->MatrixC = PPU.MatrixC; + p->MatrixD = PPU.MatrixD; + p->CentreX = PPU.CentreX; + p->CentreY = PPU.CentreY; + } + else + { + if (Settings.StarfoxHack && PPU.BG[2].VOffset == 0 && + PPU.BG[2].HOffset == 0xe000) + { + LineData[C].BG[2].VOffset = 0xe1; + LineData[C].BG[2].HOffset = 0; + } + else + { + LineData[C].BG[2].VOffset = PPU.BG[2].VOffset + 1; + LineData[C].BG[2].HOffset = PPU.BG[2].HOffset; + LineData[C].BG[3].VOffset = PPU.BG[3].VOffset + 1; + LineData[C].BG[3].HOffset = PPU.BG[3].HOffset; + } + + } + IPPU.CurrentLine = C + 1; + } +} + + +void S9xEndScreenRefresh() +{ + IPPU.HDMAStarted = FALSE; + +//RC + if (IPPU.RenderThisFrame) + { + FLUSH_REDRAW (); + //if (IPPU.ColorsChanged) + //{ + IPPU.ColorsChanged = FALSE; + //} + + + S9xDeinitUpdate (IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight, + 1); + } +#ifndef RC_OPTIMIZED + S9xApplyCheats (); +#endif + + +#ifdef DEBUGGER + if (CPU.Flags & FRAME_ADVANCE_FLAG) + { + if (ICPU.FrameAdvanceCount) + { + ICPU.FrameAdvanceCount--; + IPPU.RenderThisFrame = TRUE; + IPPU.FrameSkip = 0; + } + else + { + CPU.Flags &= ~FRAME_ADVANCE_FLAG; + CPU.Flags |= DEBUG_MODE_FLAG; + } + } +#endif + +/* + if (CPU.SRAMModified) + { + if (!CPU.AutoSaveTimer) + { + if (!(CPU.AutoSaveTimer = Settings.AutoSaveDelay * Memory.ROMFramesPerSecond)) + CPU.SRAMModified = FALSE; + } + else + { + if (!--CPU.AutoSaveTimer) + { + S9xAutoSaveSRAM (); + CPU.SRAMModified = FALSE; + } + } + } +*/ +} + +void S9xSetInfoString (const char *string) +{ + } + + + +int TileRenderer; +TileRendererSet TileRenderers[] = { + {DrawTile16Add, DrawClippedTile16Add, DrawLargePixel16Add}, // 0 -> GFX.r2131:7 = 0, GFX.r2131:6 = 0, GFX.r2130:1 = 0 + {DrawTile16Add, DrawClippedTile16Add, DrawLargePixel16Add}, // 1 -> GFX.r2131:7 = 0, GFX.r2131:6 = 0, GFX.r2130:1 = 1 + {DrawTile16FixedAdd1_2, DrawClippedTile16FixedAdd1_2, DrawLargePixel16Add1_2}, // 2 -> GFX.r2131:7 = 0, GFX.r2131:6 = 1, GFX.r2130:1 = 0 + {DrawTile16Add1_2, DrawClippedTile16Add1_2, DrawLargePixel16Add1_2}, // 3 -> GFX.r2131:7 = 0, GFX.r2131:6 = 1, GFX.r2130:1 = 1 + {DrawTile16Sub, DrawClippedTile16Sub, DrawLargePixel16Sub}, // 4 -> GFX.r2131:7 = 1, GFX.r2131:6 = 0, GFX.r2130:1 = 0 + {DrawTile16Sub, DrawClippedTile16Sub, DrawLargePixel16Sub}, // 5 -> GFX.r2131:7 = 1, GFX.r2131:6 = 0, GFX.r2130:1 = 1 + {DrawTile16FixedSub1_2, DrawClippedTile16FixedSub1_2, DrawLargePixel16Sub1_2}, // 6 -> GFX.r2131:7 = 1, GFX.r2131:6 = 1, GFX.r2130:1 = 0 + {DrawTile16Sub1_2, DrawClippedTile16Sub1_2, DrawLargePixel16Sub1_2}, // 7 -> GFX.r2131:7 = 1, GFX.r2131:6 = 1, GFX.r2130:1 = 1 + {DrawTile16, DrawClippedTile16, DrawLargePixel16} // 8 -> normal + }; +TileRendererSet TileRenderersNoZ[] = { + {DrawNoZTile16Add, DrawClippedTile16Add, DrawLargePixel16Add}, // 0 -> GFX.r2131:7 = 0, GFX.r2131:6 = 0, GFX.r2130:1 = 0 + {DrawNoZTile16Add, DrawClippedTile16Add, DrawLargePixel16Add}, // 1 -> GFX.r2131:7 = 0, GFX.r2131:6 = 0, GFX.r2130:1 = 1 + {DrawTile16FixedAdd1_2, DrawClippedTile16FixedAdd1_2, DrawLargePixel16Add1_2}, // 2 -> GFX.r2131:7 = 0, GFX.r2131:6 = 1, GFX.r2130:1 = 0 + {DrawNoZTile16Add1_2, DrawClippedTile16Add1_2, DrawLargePixel16Add1_2}, // 3 -> GFX.r2131:7 = 0, GFX.r2131:6 = 1, GFX.r2130:1 = 1 + {DrawNoZTile16Sub, DrawClippedTile16Sub, DrawLargePixel16Sub}, // 4 -> GFX.r2131:7 = 1, GFX.r2131:6 = 0, GFX.r2130:1 = 0 + {DrawNoZTile16Sub, DrawClippedTile16Sub, DrawLargePixel16Sub}, // 5 -> GFX.r2131:7 = 1, GFX.r2131:6 = 0, GFX.r2130:1 = 1 + {DrawTile16FixedSub1_2, DrawClippedTile16FixedSub1_2, DrawLargePixel16Sub1_2}, // 6 -> GFX.r2131:7 = 1, GFX.r2131:6 = 1, GFX.r2130:1 = 0 + {DrawNoZTile16Sub1_2, DrawClippedTile16Sub1_2, DrawLargePixel16Sub1_2}, // 7 -> GFX.r2131:7 = 1, GFX.r2131:6 = 1, GFX.r2130:1 = 1 + {DrawNoZTile16, DrawClippedTile16, DrawLargePixel16} // 8 -> normal + }; +INLINE void SelectTileRenderer (bool8_32 normal, bool NoZ = false) +{ + if (normal) { + TileRenderer = 8; + } + else { + TileRenderer = (((GFX.r2131 >> 5) & 0x06) | ((GFX.r2130 >> 1) & 1)); + } + +#ifdef __DEBUG__ + char *TRName[] = { + "Add", "Add", "FixedAdd1_2", "Add1_2", + "Sub", "Sub", "FixedSub1_2", "Sub1_2", + "Normal" + }; + printf("SelectTileRenderer: %s\n", TRName[TileRenderer]); +#endif + + if (NoZ) { + DrawTilePtr = TileRenderersNoZ[TileRenderer].Normal; + DrawClippedTilePtr = TileRenderersNoZ[TileRenderer].Clipped; + DrawLargePixelPtr = TileRenderersNoZ[TileRenderer].Large; + } + else { + DrawTilePtr = TileRenderers[TileRenderer].Normal; + DrawClippedTilePtr = TileRenderers[TileRenderer].Clipped; + DrawLargePixelPtr = TileRenderers[TileRenderer].Large; + } +} + +void S9xSetupOBJ () +{ + int SmallSize; + int LargeSize; + + switch (PPU.OBJSizeSelect) + { + case 0: + SmallSize = 8; + LargeSize = 16; + break; + case 1: + SmallSize = 8; + LargeSize = 32; + break; + case 2: + SmallSize = 8; + LargeSize = 64; + break; + case 3: + SmallSize = 16; + LargeSize = 32; + break; + case 4: + SmallSize = 16; + LargeSize = 64; + break; + case 5: + default: + SmallSize = 32; + LargeSize = 64; + break; + } + + int C = 0; + + int FirstSprite = PPU.FirstSprite & 0x7f; + int S = FirstSprite; + do + { + int Size; + if (PPU.OBJ [S].Size) + Size = LargeSize; + else + Size = SmallSize; + + long VPos = PPU.OBJ [S].VPos; + + if (VPos >= PPU.ScreenHeight) + VPos -= 256; + if (PPU.OBJ [S].HPos < 256 && PPU.OBJ [S].HPos > -Size && + VPos < PPU.ScreenHeight && VPos > -Size) + { + int x = 0; + int a, b; + //GFX.OBJList[C++] = S; + // -- Sort objects (from low to high priority) + while (x < C) { + a = GFX.OBJList[x]; + if (PPU.OBJ[a].Priority >= PPU.OBJ[S].Priority) break; + x++; + } + + GFX.OBJList[x] = S; + x++; C++; + + while (x < C) { + b = GFX.OBJList[x]; + GFX.OBJList[x] = a; + a = b; + x++; + } + // -- + GFX.Sizes[S] = Size; + GFX.VPositions[S] = VPos; + } + S = (S + 1) & 0x7f; + } while (S != FirstSprite); + + // Terminate the list + GFX.OBJList [C] = -1; + IPPU.OBJChanged = FALSE; +} + +void DrawOBJS (bool8_32 OnMain = FALSE, uint8 D = 0) +{ + int bg_ta_ns; + int bg_ta; + uint32 O; + uint32 BaseTile, Tile; + + CHECK_SOUND(); + + BG.BitShift = 4; + SelectConvertTile(); + BG.TileShift = 5; + //BG.TileAddress = PPU.OBJNameBase; + BG.StartPalette = 128; + BG.PaletteShift = 4; + BG.PaletteMask = 7; + BG.Buffer = IPPU.TileCache [TILE_4BIT]; + BG.Buffered = IPPU.TileCached [TILE_4BIT]; + //BG.NameSelect = PPU.OBJNameSelect; + BG.DirectColourMode = FALSE; + + SelectPalette(); + bg_ta = PPU.OBJNameBase; + bg_ta_ns = bg_ta + PPU.OBJNameSelect; + + GFX.Z1 = D + 2; + + int I = 0; + for (int S = GFX.OBJList [I++]; S >= 0; S = GFX.OBJList [I++]) + { + int VPos = GFX.VPositions [S]; + int Size = GFX.Sizes[S]; + int TileInc = 1; + int Offset; + + if (VPos + Size <= (int) GFX.StartY || VPos > (int) GFX.EndY) + continue; + + if (OnMain && SUB_OR_ADD(4)) + { + SelectTileRenderer (!GFX.Pseudo && PPU.OBJ [S].Palette < 4, true); + } + + BaseTile = PPU.OBJ[S].Name | (PPU.OBJ[S].Palette << 10); + + if (PPU.OBJ[S].HFlip) + { + BaseTile += ((Size >> 3) - 1) | H_FLIP; + TileInc = -1; + } + + if (PPU.OBJ[S].VFlip) BaseTile |= V_FLIP; + //BaseTile |= PPU.OBJ[S].VFlip << 15; + + int clipcount = GFX.pCurrentClip->Count [4]; + if (!clipcount) clipcount = 1; + + GFX.Z2 = (PPU.OBJ[S].Priority + 1) * 4 + D; + + for (int clip = 0; clip < clipcount; clip++) + { + int Left; + int Right; + if (!GFX.pCurrentClip->Count [4]) + { + Left = 0; + Right = 256; + } + else + { + Left = GFX.pCurrentClip->Left [clip][4]; + Right = GFX.pCurrentClip->Right [clip][4]; + } + + if (Right <= Left || PPU.OBJ[S].HPos + Size <= Left || + PPU.OBJ[S].HPos >= Right) + continue; + + for (int Y = 0; Y < Size; Y += 8) + { + if (VPos + Y + 7 >= (int) GFX.StartY && VPos + Y <= (int) GFX.EndY) + { + int StartLine; + int TileLine; + int LineCount; + int Last; + + if ((StartLine = VPos + Y) < (int) GFX.StartY) + { + StartLine = GFX.StartY - StartLine; + LineCount = 8 - StartLine; + } + else + { + StartLine = 0; + LineCount = 8; + } + if ((Last = VPos + Y + 7 - GFX.EndY) > 0) + if ((LineCount -= Last) <= 0) + break; + + TileLine = StartLine << 3; + + O = (VPos + Y + StartLine) * GFX_PPL; + if (!PPU.OBJ[S].VFlip) Tile = BaseTile + (Y << 1); + else Tile = BaseTile + ((Size - Y - 8) << 1); + + if (Tile & 0x100) BG.TileAddress = bg_ta_ns; + else BG.TileAddress = bg_ta; + + int Middle = Size >> 3; + if (PPU.OBJ[S].HPos < Left) + { + Tile += ((Left - PPU.OBJ[S].HPos) >> 3) * TileInc; + Middle -= (Left - PPU.OBJ[S].HPos) >> 3; + O += Left * GFX_PIXSIZE; + if ((Offset = (Left - PPU.OBJ[S].HPos) & 7)) + { + O -= Offset * GFX_PIXSIZE; + int W = 8 - Offset; + int Width = Right - Left; + if (W > Width) W = Width; + //if (Tile & 0x100) BG.TileAddress = bg_ta_ns; + //else BG.TileAddress = bg_ta; + (*DrawClippedTilePtr) (Tile, O, Offset, W, TileLine, LineCount); + + if (W >= Width) + continue; + Tile += TileInc; + Middle--; + O += 8 * GFX_PIXSIZE; + } + } + else + O += PPU.OBJ[S].HPos * GFX_PIXSIZE; + + if (PPU.OBJ[S].HPos + Size >= Right) + { + Middle -= ((PPU.OBJ[S].HPos + Size + 7) - + Right) >> 3; + Offset = (Right - (PPU.OBJ[S].HPos + Size)) & 7; + } + else + Offset = 0; + + for (int X = 0; X < Middle; X++, O += 8 * GFX_PIXSIZE, + Tile += TileInc) + { + //if (Tile & 0x100) BG.TileAddress = bg_ta_ns; + //else BG.TileAddress = bg_ta; + (*DrawTilePtr) (Tile, O, TileLine, LineCount); + } + if (Offset) + { + //if (Tile & 0x100) BG.TileAddress = bg_ta_ns; + //else BG.TileAddress = bg_ta; + (*DrawClippedTilePtr) (Tile, O, 0, Offset, TileLine, LineCount); + } + } + } + } + } +} +void DrawBackgroundMosaic (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) +{ +#ifdef __DEBUG__ + printf("DrawBackgroundMosaic(%i, %i, %i, %i)\n", BGMode, bg, Z1, Z2); +#endif + CHECK_SOUND(); + + uint32 Tile; + uint16 *SC0; + uint16 *SC1; + uint16 *SC2; + uint16 *SC3; + uint8 depths [2] = {Z1, Z2}; + + if (BGMode == 0) + BG.StartPalette = bg << 5; + else + BG.StartPalette = 0; + SelectPalette(); + + SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1]; + + if (PPU.BG[bg].SCSize & 1) + SC1 = SC0 + 1024; + else + SC1 = SC0; + + if(((uint8*)SC1-Memory.VRAM)>=0x10000) + SC1-=0x08000; + + + if (PPU.BG[bg].SCSize & 2) + SC2 = SC1 + 1024; + else + SC2 = SC0; + + if(((uint8*)SC2-Memory.VRAM)>=0x10000) + SC2-=0x08000; + + + if (PPU.BG[bg].SCSize & 1) + SC3 = SC2 + 1024; + else + SC3 = SC2; + + if(((uint8*)SC3-Memory.VRAM)>=0x10000) + SC3-=0x08000; + + uint32 Lines; + uint32 OffsetMask; + uint32 OffsetShift; + + if (BG.TileSize == 16) + { + OffsetMask = 0x3ff; + OffsetShift = 4; + } + else + { + OffsetMask = 0x1ff; + OffsetShift = 3; + } + + for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines) + { + uint32 VOffset = LineData [Y].BG[bg].VOffset; + uint32 HOffset = LineData [Y].BG[bg].HOffset; + uint32 MosaicOffset = Y % PPU.Mosaic; + + for (Lines = 1; Lines < PPU.Mosaic - MosaicOffset; Lines++) + if ((VOffset != LineData [Y + Lines].BG[bg].VOffset) || + (HOffset != LineData [Y + Lines].BG[bg].HOffset)) + break; + + uint32 MosaicLine = VOffset + Y - MosaicOffset; + + if (Y + Lines > GFX.EndY) + Lines = GFX.EndY + 1 - Y; + uint32 VirtAlign = (MosaicLine & 7) << 3; + + uint16 *b1; + uint16 *b2; + + uint32 ScreenLine = MosaicLine >> OffsetShift; + uint32 Rem16 = MosaicLine & 15; + + if (ScreenLine & 0x20) + b1 = SC2, b2 = SC3; + else + b1 = SC0, b2 = SC1; + + b1 += (ScreenLine & 0x1f) << 5; + b2 += (ScreenLine & 0x1f) << 5; + uint16 *t; + uint32 Left = 0; + uint32 Right = 256; + + uint32 ClipCount = GFX.pCurrentClip->Count [bg]; + uint32 HPos = HOffset; + uint32 PixWidth = PPU.Mosaic; + + if (!ClipCount) + ClipCount = 1; + + for (uint32 clip = 0; clip < ClipCount; clip++) + { + if (GFX.pCurrentClip->Count [bg]) + { + Left = GFX.pCurrentClip->Left [clip][bg]; + Right = GFX.pCurrentClip->Right [clip][bg]; + uint32 r = Left % PPU.Mosaic; + HPos = HOffset + Left; + PixWidth = PPU.Mosaic - r; + } + uint32 s = Y * GFX_PPL + Left * GFX_PIXSIZE; + for (uint32 x = Left; x < Right; x += PixWidth, + s += PixWidth * GFX_PIXSIZE, + HPos += PixWidth, PixWidth = PPU.Mosaic) + { + uint32 Quot = (HPos & OffsetMask) >> 3; + + if (x + PixWidth >= Right) + PixWidth = Right - x; + + if (BG.TileSize == 8) + { + if (Quot > 31) + t = b2 + (Quot & 0x1f); + else + t = b1 + Quot; + } + else + { + if (Quot > 63) + t = b2 + ((Quot >> 1) & 0x1f); + else + t = b1 + (Quot >> 1); + } + + Tile = READ_2BYTES (t); + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + + // Draw tile... + if (BG.TileSize != 8) + { + if (Tile & H_FLIP) + { + // Horizontal flip, but what about vertical flip ? + if (Tile & V_FLIP) + { + // Both horzontal & vertical flip + if (Rem16 < 8) + { + (*DrawLargePixelPtr) (Tile + 17 - (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + else + { + (*DrawLargePixelPtr) (Tile + 1 - (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + } + else + { + // Horizontal flip only + if (Rem16 > 7) + { + (*DrawLargePixelPtr) (Tile + 17 - (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + else + { + (*DrawLargePixelPtr) (Tile + 1 - (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + } + } + else + { + // No horizontal flip, but is there a vertical flip ? + if (Tile & V_FLIP) + { + // Vertical flip only + if (Rem16 < 8) + { + (*DrawLargePixelPtr) (Tile + 16 + (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + else + { + (*DrawLargePixelPtr) (Tile + (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + } + else + { + // Normal unflipped + if (Rem16 > 7) + { + (*DrawLargePixelPtr) (Tile + 16 + (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + else + { + (*DrawLargePixelPtr) (Tile + (Quot & 1), s, + HPos & 7, PixWidth, + VirtAlign, Lines); + } + } + } + } + else + (*DrawLargePixelPtr) (Tile, s, HPos & 7, PixWidth, + VirtAlign, Lines); + } + } + } +} + +void DrawBackgroundOffset (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) +{ +#ifdef __DEBUG__ + printf("DrawBackgroundOffse(%i, %i, %i, %i)\n", BGMode, bg, Z1, Z2); +#endif + + CHECK_SOUND(); + + uint32 Tile; + uint16 *SC0; + uint16 *SC1; + uint16 *SC2; + uint16 *SC3; + uint16 *BPS0; + uint16 *BPS1; + uint16 *BPS2; + uint16 *BPS3; + uint32 Width; + int VOffsetOffset = BGMode == 4 ? 0 : 32; + uint8 depths [2] = {Z1, Z2}; + + BG.StartPalette = 0; + SelectPalette(); + + BPS0 = (uint16 *) &Memory.VRAM[PPU.BG[2].SCBase << 1]; + + if (PPU.BG[2].SCSize & 1) + BPS1 = BPS0 + 1024; + else + BPS1 = BPS0; + + if (PPU.BG[2].SCSize & 2) + BPS2 = BPS1 + 1024; + else + BPS2 = BPS0; + + if (PPU.BG[2].SCSize & 1) + BPS3 = BPS2 + 1024; + else + BPS3 = BPS2; + + SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1]; + + if (PPU.BG[bg].SCSize & 1) + SC1 = SC0 + 1024; + else + SC1 = SC0; + + if(((uint8*)SC1-Memory.VRAM)>=0x10000) + SC1-=0x08000; + + + if (PPU.BG[bg].SCSize & 2) + SC2 = SC1 + 1024; + else + SC2 = SC0; + + if(((uint8*)SC2-Memory.VRAM)>=0x10000) + SC2-=0x08000; + + + if (PPU.BG[bg].SCSize & 1) + SC3 = SC2 + 1024; + else + SC3 = SC2; + + if(((uint8*)SC3-Memory.VRAM)>=0x10000) + SC3-=0x08000; + + static const int Lines = 1; + int OffsetMask; + int OffsetShift; + int OffsetEnableMask = 1 << (bg + 13); + + if (BG.TileSize == 16) + { + OffsetMask = 0x3ff; + OffsetShift = 4; + } + else + { + OffsetMask = 0x1ff; + OffsetShift = 3; + } + + TileBlank = 0xFFFFFFFF; + for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y++) + { + uint32 VOff = LineData [Y].BG[2].VOffset - 1; + uint32 HOff = LineData [Y].BG[2].HOffset; + int VirtAlign; + int ScreenLine = VOff >> 3; + uint16 *s0; + uint16 *s1; + uint16 *s2; + + if (ScreenLine & 0x20) + s1 = BPS2, s2 = BPS3; + else + s1 = BPS0, s2 = BPS1; + + s1 += (ScreenLine & 0x1f) << 5; + s2 += (ScreenLine & 0x1f) << 5; + + if(BGMode != 4) + { + if((ScreenLine & 0x1f) == 0x1f) + { + if(ScreenLine & 0x20) + VOffsetOffset = BPS0 - BPS2 - 0x1f*32; + else + VOffsetOffset = BPS2 - BPS0 - 0x1f*32; + } + else + { + VOffsetOffset = 32; + } + } + int clipcount = GFX.pCurrentClip->Count [bg]; + if (!clipcount) + clipcount = 1; + + for (int clip = 0; clip < clipcount; clip++) + { + uint32 Left; + uint32 Right; + + if (!GFX.pCurrentClip->Count [bg]) + { + Left = 0; + Right = 256; + } + else + { + Left = GFX.pCurrentClip->Left [clip][bg]; + Right = GFX.pCurrentClip->Right [clip][bg]; + + if (Right <= Left) + continue; + } + + uint32 VOffset; + uint32 HOffset; + uint32 LineHOffset=LineData [Y].BG[bg].HOffset; + uint32 Offset; + uint32 HPos; + uint32 Quot; + uint32 Count; + uint16 *t; + uint32 Quot2; + uint32 VCellOffset; + uint32 HCellOffset; + uint16 *b1; + uint16 *b2; + uint32 TotalCount = 0; + uint32 MaxCount = 8; + + uint32 s = Left * GFX_PIXSIZE + Y * GFX_PPL; + bool8_32 left_hand_edge = (Left == 0); + Width = Right - Left; + + if (Left & 7) + MaxCount = 8 - (Left & 7); + + while (Left < Right) + { + if (left_hand_edge) + { + // The SNES offset-per-tile background mode has a + // hardware limitation that the offsets cannot be set + // for the tile at the left-hand edge of the screen. + VOffset = LineData [Y].BG[bg].VOffset; + HOffset = LineHOffset; + left_hand_edge = FALSE; + } + else + { + // All subsequent offset tile data is shifted left by one, + // hence the - 1 below. + Quot2 = ((HOff + Left - 1) & OffsetMask) >> 3; + + if (Quot2 > 31) + s0 = s2 + (Quot2 & 0x1f); + else + s0 = s1 + Quot2; + + HCellOffset = READ_2BYTES (s0); + + if (BGMode == 4) + { + VOffset = LineData [Y].BG[bg].VOffset; + HOffset=LineHOffset; + if ((HCellOffset & OffsetEnableMask)) + { + if (HCellOffset & 0x8000) + VOffset = HCellOffset + 1; + else + HOffset = HCellOffset; + } + } + else + { + VCellOffset = READ_2BYTES (s0 + VOffsetOffset); + if ((VCellOffset & OffsetEnableMask)) + VOffset = VCellOffset + 1; + else + VOffset = LineData [Y].BG[bg].VOffset; + + if ((HCellOffset & OffsetEnableMask)) + HOffset = (HCellOffset & ~7)|(LineHOffset&7); + else + HOffset=LineHOffset; + } + } + VirtAlign = ((Y + VOffset) & 7) << 3; + ScreenLine = (VOffset + Y) >> OffsetShift; + + int tx_index; + tx_index = ( ((VOffset + Y) & 15) <= 7 ) << 3; + + if (ScreenLine & 0x20) + b1 = SC2, b2 = SC3; + else + b1 = SC0, b2 = SC1; + + b1 += (ScreenLine & 0x1f) << 5; + b2 += (ScreenLine & 0x1f) << 5; + + HPos = (HOffset + Left) & OffsetMask; + + Quot = HPos >> 3; + + if (BG.TileSize == 8) + { + if (Quot > 31) + t = b2 + (Quot & 0x1f); + else + t = b1 + Quot; + } + else + { + if (Quot > 63) + t = b2 + ((Quot >> 1) & 0x1f); + else + t = b1 + (Quot >> 1); + } + + if (MaxCount + TotalCount > Width) + MaxCount = Width - TotalCount; + + Offset = HPos & 7; + + Count = 8 - Offset; + if (Count > MaxCount) + Count = MaxCount; + + s -= Offset * GFX_PIXSIZE; + Tile = READ_2BYTES(t); + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + + if (Tile != TileBlank) + if (BG.TileSize == 8) + (*DrawClippedTilePtr) (Tile, s, Offset, Count, VirtAlign, Lines); + else + { + Tile += tx_table[tx_index + ((Tile & (H_FLIP | V_FLIP)) >> 13) + (Quot & 1)]; + if (Tile != TileBlank){ + (*DrawClippedTilePtr) (Tile, s, Offset, Count, VirtAlign, Lines); + } + } + + Left += Count; + TotalCount += Count; + s += (Offset + Count) * GFX_PIXSIZE; + MaxCount = 8; + } + } + } +} + +void DrawBackgroundMode5 (uint32 /* BGMODE */, uint32 bg, uint8 Z1, uint8 Z2) +{ +#ifdef __DEBUG__ + printf("DrawBackgroundMode5(?, %i, %i, %i)\n", bg, Z1, Z2); +#endif + + CHECK_SOUND(); + + uint8 depths [2] = {Z1, Z2}; + + uint32 Tile; + uint16 *SC0; + uint16 *SC1; + uint16 *SC2; + uint16 *SC3; + uint32 Width; + + BG.StartPalette = 0; + SelectPalette(); + + SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1]; + + if ((PPU.BG[bg].SCSize & 1)) + SC1 = SC0 + 1024; + else + SC1 = SC0; + + if((SC1-(unsigned short*)Memory.VRAM)>0x10000) + SC1=(uint16*)&Memory.VRAM[(((uint8*)SC1)-Memory.VRAM)%0x10000]; + + if ((PPU.BG[bg].SCSize & 2)) + SC2 = SC1 + 1024; + else SC2 = SC0; + + if(((uint8*)SC2-Memory.VRAM)>=0x10000) + SC2-=0x08000; + + if ((PPU.BG[bg].SCSize & 1)) + SC3 = SC2 + 1024; + else + SC3 = SC2; + + if(((uint8*)SC3-Memory.VRAM)>=0x10000) + SC3-=0x08000; + int Lines; + int VOffsetMask; + int VOffsetShift; + + if (BG.TileSize == 16) + { + VOffsetMask = 0x3ff; + VOffsetShift = 4; + } + else + { + VOffsetMask = 0x1ff; + VOffsetShift = 3; + } + int endy = GFX.EndY; + + for (int Y = GFX.StartY; Y <= endy; Y += Lines) + { + //int y = Y; + uint32 VOffset = LineData [Y].BG[bg].VOffset; + uint32 HOffset = LineData [Y].BG[bg].HOffset; + int VirtAlign = (Y + VOffset) & 7; + + for (Lines = 1; Lines < 8 - VirtAlign; Lines++) + if ((VOffset != LineData [Y + Lines].BG[bg].VOffset) || + (HOffset != LineData [Y + Lines].BG[bg].HOffset)) + break; + + HOffset <<= 1; + if (Y + Lines > endy) + Lines = endy + 1 - Y; + + int ScreenLine = (VOffset + Y) >> VOffsetShift; + int t1; + int t2; + if (((VOffset + Y) & 15) > 7) + { + t1 = 16; + t2 = 0; + } + else + { + t1 = 0; + t2 = 16; + } + uint16 *b1; + uint16 *b2; + + if (ScreenLine & 0x20) + b1 = SC2, b2 = SC3; + else + b1 = SC0, b2 = SC1; + + b1 += (ScreenLine & 0x1f) << 5; + b2 += (ScreenLine & 0x1f) << 5; + + int clipcount = GFX.pCurrentClip->Count [bg]; + if (!clipcount) + clipcount = 1; + for (int clip = 0; clip < clipcount; clip++) + { + int Left; + int Right; + + if (!GFX.pCurrentClip->Count [bg]) + { + Left = 0; + Right = 512; + } + else + { + Left = GFX.pCurrentClip->Left [clip][bg] * 2; + Right = GFX.pCurrentClip->Right [clip][bg] * 2; + + if (Right <= Left) + continue; + } + + uint32 s = (Left>>1) * GFX_PIXSIZE + Y * GFX_PPL; + uint32 HPos = (HOffset + Left * GFX_PIXSIZE) & 0x3ff; + + uint32 Quot = HPos >> 3; + uint32 Count = 0; + + uint16 *t; + if (Quot > 63) + t = b2 + ((Quot >> 1) & 0x1f); + else + t = b1 + (Quot >> 1); + + Width = Right - Left; + // Left hand edge clipped tile + if (HPos & 7) + { + int Offset = (HPos & 7); + Count = 8 - Offset; + if (Count > Width) + Count = Width; + s -= (Offset>>1); + Tile = READ_2BYTES (t); + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + + if (BG.TileSize == 8) + { + if (!(Tile & H_FLIP)) + { + // Normal, unflipped + (*DrawHiResClippedTilePtr) (Tile + (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + else + { + // H flip + (*DrawHiResClippedTilePtr) (Tile + 1 - (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + } + else + { + if (!(Tile & (V_FLIP | H_FLIP))) + { + // Normal, unflipped + (*DrawHiResClippedTilePtr) (Tile + t1 + (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + else + if (Tile & H_FLIP) + { + if (Tile & V_FLIP) + { + // H & V flip + (*DrawHiResClippedTilePtr) (Tile + t2 + 1 - (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + else + { + // H flip only + (*DrawHiResClippedTilePtr) (Tile + t1 + 1 - (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + } + else + { + // V flip only + (*DrawHiResClippedTilePtr) (Tile + t2 + (Quot & 1), + s, Offset, Count, VirtAlign, Lines); + } + } + + t += Quot & 1; + if (Quot == 63) + t = b2; + else if (Quot == 127) + t = b1; + Quot++; + s += 4; + } + + // Middle, unclipped tiles + Count = Width - Count; + int Middle = Count >> 3; + Count &= 7; + for (int C = Middle; C > 0; s += 4, Quot++, C--) + { + Tile = READ_2BYTES(t); + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + if (BG.TileSize == 8) + { + if (!(Tile & H_FLIP)) + { + // Normal, unflipped + (*DrawHiResTilePtr) (Tile + (Quot & 1), + s, VirtAlign, Lines); + } + else + { + // H flip + (*DrawHiResTilePtr) (Tile + 1 - (Quot & 1), + s, VirtAlign, Lines); + } + } + else + { + if (!(Tile & (V_FLIP | H_FLIP))) + { + // Normal, unflipped + (*DrawHiResTilePtr) (Tile + t1 + (Quot & 1), + s, VirtAlign, Lines); + } + else + if (Tile & H_FLIP) + { + if (Tile & V_FLIP) + { + // H & V flip + (*DrawHiResTilePtr) (Tile + t2 + 1 - (Quot & 1), + s, VirtAlign, Lines); + } + else + { + // H flip only + (*DrawHiResTilePtr) (Tile + t1 + 1 - (Quot & 1), + s, VirtAlign, Lines); + } + } + else + { + // V flip only + (*DrawHiResTilePtr) (Tile + t2 + (Quot & 1), + s, VirtAlign, Lines); + } + } + + t += Quot & 1; + if (Quot == 63) + t = b2; + else + if (Quot == 127) + t = b1; + } + + // Right-hand edge clipped tiles + if (Count) + { + Tile = READ_2BYTES(t); + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + if (BG.TileSize == 8) + { + if (!(Tile & H_FLIP)) + { + // Normal, unflipped + (*DrawHiResClippedTilePtr) (Tile + (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + else + { + // H flip + (*DrawHiResClippedTilePtr) (Tile + 1 - (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + } + else + { + if (!(Tile & (V_FLIP | H_FLIP))) + { + // Normal, unflipped + (*DrawHiResClippedTilePtr) (Tile + t1 + (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + else + if (Tile & H_FLIP) + { + if (Tile & V_FLIP) + { + // H & V flip + (*DrawHiResClippedTilePtr) (Tile + t2 + 1 - (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + else + { + // H flip only + (*DrawHiResClippedTilePtr) (Tile + t1 + 1 - (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + } + else + { + // V flip only + (*DrawHiResClippedTilePtr) (Tile + t2 + (Quot & 1), + s, 0, Count, VirtAlign, Lines); + } + } + } + } + } +} + +void DrawBackground_8(uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) +{ +#ifdef __DEBUG__ + printf("DrawBackground_8(%i, %i, %i, %i)\n", BGMode, bg, Z1, Z2); +#endif + //uint32 Tile; + uint16 *SC0; + uint16 *SC1; + uint16 *SC2; + uint16 *SC3; + uint32 depths [2] = {Z1, Z2}; + + SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1]; + + SC1 = SC0 + ((PPU.BG[bg].SCSize & 1) << 10); + + if(SC1 >= (unsigned short*)(Memory.VRAM+0x10000)) SC1 = (uint16*)&Memory.VRAM[((uint8*)SC1-&Memory.VRAM[0]) & 0xffff]; + + if (PPU.BG[bg].SCSize & 2) + SC2 = SC1 + 1024; + else + SC2 = SC0; + + if(((uint8*)SC2-Memory.VRAM)>=0x10000) SC2 -= 0x08000; + + SC3 = SC2 + ((PPU.BG[bg].SCSize & 1) << 10); + + if(((uint8*)SC3-Memory.VRAM)>=0x10000) SC3 -= 0x08000; + + int Lines; + + TileBlank = 0xFFFFFFFF; + for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines){ + int y_ppl = Y * GFX_PPL; + uint32 VOffset = LineData [Y].BG[bg].VOffset; + uint32 HOffset = LineData [Y].BG[bg].HOffset; + int VirtAlign = (Y + VOffset) & 7; + + int maxLines = GFX.EndY - Y + 1; + if ((8 - VirtAlign) < maxLines) maxLines = (8 - VirtAlign); + + for (Lines = 1; Lines < maxLines; Lines++) + if ((VOffset != LineData [Y + Lines].BG[bg].VOffset) || + (HOffset != LineData [Y + Lines].BG[bg].HOffset)) + break; + + + VirtAlign <<= 3; + + uint32 ScreenLine = (VOffset + Y) >> 3; + uint16 *b1; + uint16 *b2; + + if (ScreenLine & 0x20) + b1 = SC2, b2 = SC3; + else + b1 = SC0, b2 = SC1; + + b1 += (ScreenLine & 0x1f) << 5; + b2 += (ScreenLine & 0x1f) << 5; + + uint32 Left; + uint32 Right; + int clip = 0; + int clipcount = GFX.pCurrentClip->Count [bg]; + if (!clipcount) { + Left = 0; + Right = 256; + } + + do { + if (clipcount) { + Left = GFX.pCurrentClip->Left [clip][bg]; + Right = GFX.pCurrentClip->Right [clip][bg]; + + if (Right <= Left) {clip++; continue;} + } + + uint32 s = Left + y_ppl; + uint32 HPos = (HOffset + Left) & 0x1ff; + uint32 Quot = HPos >> 3; + uint32 Count = 0; + uint16 *t; + uint16 *b; + + if (Quot > 31) { + t = b2 + (Quot & 0x1f); + b = b1; + Quot -= 32; + } + else { + t = b1 + Quot; + b = b2; + } + + uint32 Width = Right - Left; + + // Left hand edge clipped tile + uint32 Offset = (HPos & 7); + if (Offset){ + Count = 8 - Offset; + if (Count > Width) Count = Width; + s -= Offset; + //Tile = READ_2BYTES(t); + register uint32 Tile = *(t++); + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + (*DrawClippedTilePtr) (Tile, s, Offset, Count, VirtAlign, Lines); + } + //t++; + if (Quot == 31) t = b; + //else if (Quot == 63) t = b1; + Quot++; + s += 8; + } + + // Middle, unclipped tiles + Count = Width - Count; + for (int C = Count >> 3; C > 0; s += 8, Quot++, C--){ + //Tile = READ_2BYTES(t); + register uint32 Tile = *(t++); + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + (*DrawTilePtr) (Tile, s, VirtAlign, Lines); + } + + //t++; + if (Quot == 31) t = b; + //else if (Quot == 63) t = b1; + } + + // Right-hand edge clipped tiles + if (Count & 7){ + //Tile = READ_2BYTES(t); + register uint32 Tile = *t; + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + (*DrawClippedTilePtr) (Tile, s, 0, Count & 7, VirtAlign, Lines); + } + } + clip ++; + } while (clip < clipcount); + } +} + +void DrawBackground_16 (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) +{ +#ifdef __DEBUG__ + printf("DrawBackground_16(%i, %i, %i, %i)\n", BGMode, bg, Z1, Z2); +#endif + //uint32 Tile; + uint16 *SC0; + uint16 *SC1; + uint16 *SC2; + uint16 *SC3; + uint32 depths [2] = {Z1, Z2}; + + SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1]; + + SC1 = SC0 + ((PPU.BG[bg].SCSize & 1) << 10); + + if(SC1 >= (unsigned short*)(Memory.VRAM+0x10000)) SC1 = (uint16*)&Memory.VRAM[((uint8*)SC1-&Memory.VRAM[0]) & 0xffff]; + + if (PPU.BG[bg].SCSize & 2) + SC2 = SC1 + 1024; + else + SC2 = SC0; + + if(((uint8*)SC2-Memory.VRAM)>=0x10000) SC2 -= 0x08000; + + SC3 = SC2 + ((PPU.BG[bg].SCSize & 1) << 10); + + if(((uint8*)SC3-Memory.VRAM)>=0x10000) SC3 -= 0x08000; + + int Lines; + + TileBlank = 0xFFFFFFFF; + for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines){ + int y_ppl = Y * GFX_PPL; + uint32 VOffset = LineData [Y].BG[bg].VOffset; + uint32 HOffset = LineData [Y].BG[bg].HOffset; + int VirtAlign = (Y + VOffset) & 7; + + int maxLines = GFX.EndY - Y + 1; + if ((8 - VirtAlign) < maxLines) maxLines = (8 - VirtAlign); + + for (Lines = 1; Lines < maxLines; Lines++) + if ((VOffset != LineData [Y + Lines].BG[bg].VOffset) || + (HOffset != LineData [Y + Lines].BG[bg].HOffset)) + break; + + + VirtAlign <<= 3; + + uint32 ScreenLine = (VOffset + Y) >> 4; + int tx_index = ( ((VOffset + Y) & 15) <= 7 ) << 3; + uint16 *b1; + uint16 *b2; + + if (ScreenLine & 0x20) + b1 = SC2, b2 = SC3; + else + b1 = SC0, b2 = SC1; + + b1 += (ScreenLine & 0x1f) << 5; + b2 += (ScreenLine & 0x1f) << 5; + + uint32 Left; + uint32 Right; + int clip = 0; + int clipcount = GFX.pCurrentClip->Count [bg]; + if (!clipcount) { + Left = 0; + Right = 256; + } + + do { + if (clipcount) { + Left = GFX.pCurrentClip->Left [clip][bg]; + Right = GFX.pCurrentClip->Right [clip][bg]; + + if (Right <= Left) {clip++; continue;} + } + + uint32 s = Left + y_ppl; + uint32 HPos = (HOffset + Left) & 0x3ff; + uint32 Quot = HPos >> 3; + uint32 Count = 0; + uint16 *t; + uint16 *b; + + if (Quot > 63) { + t = b2 + ((Quot >> 1) & 0x1f); + b = b1; + Quot -= 64; + } + else { + t = b1 + (Quot >> 1); + b = b2; + } + + + uint32 Width = Right - Left; + + // Left hand edge clipped tile + uint32 Offset = (HPos & 7); + if (Offset){ + Count = 8 - Offset; + if (Count > Width) Count = Width; + s -= Offset; + //Tile = READ_2BYTES(t); + uint32 Tile = *(t); + Tile += tx_table[tx_index + ((Tile & (H_FLIP | V_FLIP)) >> 13) + (Quot & 1)]; + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + (*DrawClippedTilePtr) (Tile, s, Offset, Count, VirtAlign, Lines); + } + //t++; + t += Quot & 1; + if (Quot == 63) t = b; + Quot++; + s += 8; + } + + // Middle, unclipped tiles + Count = Width - Count; + for (int C = Count >> 3; C > 0; s += 8, Quot++, C--){ + //Tile = READ_2BYTES(t); + uint32 Tile = *(t); + Tile += tx_table[tx_index + ((Tile & (H_FLIP | V_FLIP)) >> 13) + (Quot & 1)]; + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + //(*DrawTilePtr) (Tile, s, VirtAlign, Lines); + } + + //t++; + t += Quot & 1; + if (Quot == 63) t = b; + } + + // Right-hand edge clipped tiles + if (Count & 7){ + //Tile = READ_2BYTES(t); + uint32 Tile = *(t); + Tile += tx_table[tx_index + ((Tile & (H_FLIP | V_FLIP)) >> 13) + (Quot & 1)]; + if (Tile != TileBlank){ + GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; + (*DrawClippedTilePtr) (Tile, s, 0, Count & 7, VirtAlign, Lines); + } + } + clip ++; + } while (clip < clipcount); + } +} + + +inline void DrawBackground (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) +{ +//StartAnalyze(); + + BG.TileSize = BGSizes [PPU.BG[bg].BGSize]; + BG.BitShift = BitShifts[BGMode][bg]; + SelectConvertTile(); + BG.TileShift = TileShifts[BGMode][bg]; + BG.TileAddress = PPU.BG[bg].NameBase << 1; + BG.NameSelect = 0; + BG.Buffer = IPPU.TileCache [Depths [BGMode][bg]]; + BG.Buffered = IPPU.TileCached [Depths [BGMode][bg]]; + BG.PaletteShift = PaletteShifts[BGMode][bg]; + BG.PaletteMask = PaletteMasks[BGMode][bg]; + BG.DirectColourMode = (BGMode == 3 || BGMode == 4) && bg == 0 && (GFX.r2130 & 1); + + if (IPPU.DirectColourMapsNeedRebuild && BG.DirectColourMode) S9xBuildDirectColourMaps (); + + if (PPU.BGMosaic [bg] && PPU.Mosaic > 1){ + DrawBackgroundMosaic (BGMode, bg, Z1, Z2); + return; + + } + switch (BGMode) + { + case 2: + case 4: // Used by Puzzle Bobble + DrawBackgroundOffset (BGMode, bg, Z1, Z2); + break; + + case 5: + case 6: // XXX: is also offset per tile. + DrawBackgroundMode5 (BGMode, bg, Z1, Z2); + break; + case 0: + case 1: + case 3: + CHECK_SOUND(); + + if (BGMode == 0) BG.StartPalette = bg << 5; + else BG.StartPalette = 0; + SelectPalette(); + + if (BG.TileSize == 8) DrawBackground_8 (BGMode, bg, Z1, Z2); + else DrawBackground_16 (BGMode, bg, Z1, Z2); + break; + } +} + +#define _BUILD_SETUP(F) \ +GFX.BuildPixel = BuildPixel##F; \ +GFX.BuildPixel2 = BuildPixel2##F; \ +GFX.DecomposePixel = DecomposePixel##F; \ +RED_LOW_BIT_MASK = RED_LOW_BIT_MASK_##F; \ +GREEN_LOW_BIT_MASK = GREEN_LOW_BIT_MASK_##F; \ +BLUE_LOW_BIT_MASK = BLUE_LOW_BIT_MASK_##F; \ +RED_HI_BIT_MASK = RED_HI_BIT_MASK_##F; \ +GREEN_HI_BIT_MASK = GREEN_HI_BIT_MASK_##F; \ +BLUE_HI_BIT_MASK = BLUE_HI_BIT_MASK_##F; \ +MAX_RED = MAX_RED_##F; \ +MAX_GREEN = MAX_GREEN_##F; \ +MAX_BLUE = MAX_BLUE_##F; \ +GREEN_HI_BIT = ((MAX_GREEN_##F + 1) >> 1); \ +SPARE_RGB_BIT_MASK = SPARE_RGB_BIT_MASK_##F; \ +RGB_LOW_BITS_MASK = (RED_LOW_BIT_MASK_##F | \ + GREEN_LOW_BIT_MASK_##F | \ + BLUE_LOW_BIT_MASK_##F); \ +RGB_HI_BITS_MASK = (RED_HI_BIT_MASK_##F | \ + GREEN_HI_BIT_MASK_##F | \ + BLUE_HI_BIT_MASK_##F); \ +RGB_HI_BITS_MASKx2 = ((RED_HI_BIT_MASK_##F | \ + GREEN_HI_BIT_MASK_##F | \ + BLUE_HI_BIT_MASK_##F) << 1); \ +RGB_REMOVE_LOW_BITS_MASK = ~RGB_LOW_BITS_MASK; \ +FIRST_COLOR_MASK = FIRST_COLOR_MASK_##F; \ +SECOND_COLOR_MASK = SECOND_COLOR_MASK_##F; \ +THIRD_COLOR_MASK = THIRD_COLOR_MASK_##F; \ +ALPHA_BITS_MASK = ALPHA_BITS_MASK_##F; \ +FIRST_THIRD_COLOR_MASK = FIRST_COLOR_MASK | THIRD_COLOR_MASK; \ +TWO_LOW_BITS_MASK = RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 1); \ +HIGH_BITS_SHIFTED_TWO_MASK = (( (FIRST_COLOR_MASK | SECOND_COLOR_MASK | THIRD_COLOR_MASK) & \ + ~TWO_LOW_BITS_MASK ) >> 2); + +void RenderScreen (uint8 *Screen, bool8_32 sub, bool8_32 force_no_add, uint8 D) +{ + bool8_32 BG0; + bool8_32 BG1; + bool8_32 BG2; + bool8_32 BG3; + bool8_32 OB; + + GFX.S = Screen; + + if (!sub) + { + GFX.pCurrentClip = &IPPU.Clip [0]; + BG0 = ON_MAIN (0) && !(Settings.os9x_hack & GFX_IGNORE_BG0); + BG1 = ON_MAIN (1) && !(Settings.os9x_hack & GFX_IGNORE_BG1); + BG2 = ON_MAIN (2) && !(Settings.os9x_hack & GFX_IGNORE_BG2); + BG3 = ON_MAIN (3) && !(Settings.os9x_hack & GFX_IGNORE_BG3); + OB = ON_MAIN (4) && !(Settings.os9x_hack & GFX_IGNORE_OBJ); + } + else + { + GFX.pCurrentClip = &IPPU.Clip [1]; + BG0 = ON_SUB (0) && !(Settings.os9x_hack & GFX_IGNORE_BG0); + BG1 = ON_SUB (1) && !(Settings.os9x_hack & GFX_IGNORE_BG1); + BG2 = ON_SUB (2) && !(Settings.os9x_hack & GFX_IGNORE_BG2); + BG3 = ON_SUB (3) && !(Settings.os9x_hack & GFX_IGNORE_BG3); + OB = ON_SUB (4) && !(Settings.os9x_hack & GFX_IGNORE_OBJ); + } + +#ifdef __DEBUG__ + printf("Screen[y1,y2]:[%i,%i],Mode:%i, BG0:%i,BG1:%i,BG2:%i,BG3:%i,OBJ:%i\n", GFX.StartY, GFX.EndY, PPU.BGMode, BG0, BG1, BG2, BG3, OB); +#endif + + sub |= force_no_add; + + if (PPU.BGMode <= 1) + { + if (OB) + { + SelectTileRenderer (sub || !SUB_OR_ADD(4), true); + DrawOBJS (!sub, D); + } + if (BG0) + { + SelectTileRenderer (sub || !SUB_OR_ADD(0)); + DrawBackground (PPU.BGMode, 0, D + 10, D + 14); + } + if (BG1) + { + SelectTileRenderer (sub || !SUB_OR_ADD(1)); + DrawBackground (PPU.BGMode, 1, D + 9, D + 13); + } + if (BG2) + { + SelectTileRenderer (sub || !SUB_OR_ADD(2)); + DrawBackground (PPU.BGMode, 2, D + 3, + PPU.BG3Priority ? D + 17 : D + 6); + } + if (BG3 && PPU.BGMode == 0) + { + SelectTileRenderer (sub || !SUB_OR_ADD(3)); + DrawBackground (PPU.BGMode, 3, D + 2, D + 5); + } + } + else if (PPU.BGMode != 7) + { + if (OB) + { + SelectTileRenderer (sub || !SUB_OR_ADD(4), true); + DrawOBJS (!sub, D); + } + if (BG0) + { + SelectTileRenderer (sub || !SUB_OR_ADD(0)); + DrawBackground (PPU.BGMode, 0, D + 5, D + 13); + } + if (PPU.BGMode != 6 && BG1) + { + SelectTileRenderer (sub || !SUB_OR_ADD(1)); + DrawBackground (PPU.BGMode, 1, D + 2, D + 9); + } + } + else + { + if (OB && ((SNESGameFixes.Mode7Hack && D) || !SNESGameFixes.Mode7Hack)) + { + SelectTileRenderer (sub || !SUB_OR_ADD(4), true); + DrawOBJS (!sub, D); + } + if (BG0 || ((Memory.FillRAM [0x2133] & 0x40) && BG1)) + { + int bg; + + if ((Memory.FillRAM [0x2133] & 0x40)&&BG1) + { + Mode7Depths [0] = (BG0?5:1) + D; + Mode7Depths [1] = 9 + D; + bg = 1; + if (sub || !SUB_OR_ADD(0)) + { + DrawBGMode7Background16Prio (Screen, bg); + } + else + { + if (GFX.r2131 & 0x80) + { + if (GFX.r2131 & 0x40) + { + DrawBGMode7Background16PrioSub1_2 (Screen, bg); + } + else + { + DrawBGMode7Background16PrioSub (Screen, bg); + } + } + else + { + if (GFX.r2131 & 0x40) + { + DrawBGMode7Background16PrioAdd1_2 (Screen, bg); + } + else + { + DrawBGMode7Background16PrioAdd (Screen, bg); + } + } + } + } + else + { + bg = 0; + if (sub || !SUB_OR_ADD(0)) + { + if (D || !SNESGameFixes.Mode7Hack) DrawBGMode7Background16 (Screen, bg, D+5); + else DrawBGMode7Background16New (Screen); + } + else + { + if (GFX.r2131 & 0x80) + { + if (GFX.r2131 & 0x40) + { + DrawBGMode7Background16Sub1_2 (Screen, bg, D+5); + } + else + { + DrawBGMode7Background16Sub (Screen, bg, D+5); + } + } + else + { + if (GFX.r2131 & 0x40) + { + DrawBGMode7Background16Add1_2 (Screen, bg, D+5); + } + else + { + DrawBGMode7Background16Add (Screen, bg, D+5); + } + } + } + } + } + if (OB && SNESGameFixes.Mode7Hack && D==0) + { + SelectTileRenderer (sub || !SUB_OR_ADD(4), true); + DrawOBJS (!sub, D); + } + } +} + +#include "font.h" + +void DisplayChar (uint8 *Screen, uint8 c) +{ + int line = (((c & 0x7f) - 32) >> 4) * font_height; + int offset = (((c & 0x7f) - 32) & 15) * font_width; + int h, w; + uint16 *s = (uint16 *) Screen; + for (h = 0; h < font_height; h++, line++, + s += GFX_PPL - font_width) + { + for (w = 0; w < font_width; w++, s++) + { + uint8 p = font [line][offset + w]; + + if (p == '#') + *s = 0xffff; + else + if (p == '.') + *s = BLACK; + } + } +} + +static void S9xDisplayFrameRate () +{ + uint8 *Screen = GFX.Screen + 2 + + (IPPU.RenderedScreenHeight - font_height - 1) * GFX_PITCH; + char string [10]; + int len = 5; + + sprintf (string, "%02d/%02d", IPPU.DisplayedRenderedFrameCount, + (int) Memory.ROMFramesPerSecond); + + int i; + for (i = 0; i < len; i++) + { + DisplayChar (Screen, string [i]); + Screen += (font_width - 1) * sizeof (uint16); + } +} + +static void S9xDisplayString (const char *string) +{ + uint8 *Screen = GFX.Screen + 2 + + (IPPU.RenderedScreenHeight - font_height * 5) * GFX_PITCH; + int len = strlen (string); + int max_chars = IPPU.RenderedScreenWidth / (font_width - 1); + int char_count = 0; + int i; + + for (i = 0; i < len; i++, char_count++) + { + if (char_count >= max_chars || string [i] < 32) + { + Screen -= (font_width - 1) * sizeof (uint16) * max_chars; + Screen += font_height * GFX_PITCH; + if (Screen >= GFX.Screen + GFX_PITCH * IPPU.RenderedScreenHeight) + break; + char_count -= max_chars; + } + if (string [i] < 32) + continue; + DisplayChar (Screen, string [i]); + Screen += (font_width - 1) * sizeof (uint16); + } +} + + +void S9xUpdateScreen () // ~30-50ms! (called from FLUSH_REDRAW()) +{ + GFX.S = GFX.Screen; + + unsigned char *memoryfillram = Memory.FillRAM; + + // get local copies of vid registers to be used later + GFX.r2131 = memoryfillram [0x2131]; // ADDITION/SUBTRACTION & SUBTRACTION DESIGNATION FOR EACH SCREEN + GFX.r212c = memoryfillram [0x212c]; // MAIN SCREEN, DESIGNATION - used to enable BGS + GFX.r212d = memoryfillram [0x212d]; // SUB SCREEN DESIGNATION - used to enable sub BGS + GFX.r2130 = memoryfillram [0x2130]; // INITIAL SETTINGS FOR FIXED COLOR ADDITION OR SCREEN ADDITION + + // If external sync is off and + // main screens have not been configured the same as the sub screen and + // color addition and subtraction has been diabled then + // Pseudo is 1 + // anything else it is 0 + GFX.Pseudo = (memoryfillram [0x2133] & 8) != 0 && // Use EXTERNAL SYNCHRONIZATION? + (GFX.r212c & 15) != (GFX.r212d & 15) && // Are the main screens different from the sub screens? + (GFX.r2131 & 0x3f) == 0; // Is colour data addition/subtraction disabled on all BGS? + + // If sprite data has been changed then go through and + // refresh the sprites. + if (IPPU.OBJChanged) S9xSetupOBJ (); + + if (PPU.RecomputeClipWindows) ComputeClipWindows (); + + GFX.StartY = IPPU.PreviousLine; + if ((GFX.EndY = IPPU.CurrentLine - 1) >= PPU.ScreenHeight) + GFX.EndY = PPU.ScreenHeight - 1; + + uint32 starty = GFX.StartY; + uint32 endy = GFX.EndY; + uint32 black = BLACK | (BLACK << 16); + + + if (GFX.Pseudo) + { + GFX.r2131 = 0x5f; //0101 1111 - enable addition/subtraction on all BGS and sprites and "1/2 OF COLOR DATA" DESIGNATION + GFX.r212c &= (Memory.FillRAM [0x212d] | 0xf0); + GFX.r212d |= (Memory.FillRAM [0x212c] & 0x0f); + GFX.r2130 |= 2; // enable ADDITION/SUBTRACTION FOR SUB SCREEN + } + + // Check to see if any transparency effects are currently in use + if (!PPU.ForcedBlanking && ADD_OR_SUB_ON_ANYTHING && + (GFX.r2130 & 0x30) != 0x30 && + !((GFX.r2130 & 0x30) == 0x10 && IPPU.Clip[1].Count[5] == 0)) + { + // transparency effects in use, so lets get busy! + struct ClipData *pClip; + uint32 fixedColour; + GFX.FixedColour = BUILD_PIXEL (IPPU.XB [PPU.FixedColourRed], + IPPU.XB [PPU.FixedColourGreen], + IPPU.XB [PPU.FixedColourBlue]); + fixedColour = (GFX.FixedColour<<16|GFX.FixedColour); + // Clear the z-buffer, marking areas 'covered' by the fixed + // colour as depth 1. + pClip = &IPPU.Clip [1]; + + // Clear the z-buffer + + if (pClip->Count [5]) + { + + // Colour window enabled. + // loop around all of the lines being updated + for (uint32 y = starty; y <= endy; y++) + { + // Clear the subZbuffer + memset32 ((uint32_t*)(GFX.SubZBuffer + y * GFX_ZPITCH),0, (256>>2)); + // Clear the Zbuffer + memset32 ((uint32_t*)(GFX.ZBuffer + y * GFX_ZPITCH),0, (256>>2)); + if (IPPU.Clip[0].Count [5]) { + // if there is clipping then clear subscreen to a black color + memset32 ((uint32_t*)(GFX.SubScreen + y * GFX_PITCH), black, (256>>1)); + } + + // loop through all window clippings + for (uint32 c = 0; c < pClip->Count [5]; c++) + { + if (pClip->Right [c][5] > pClip->Left [c][5]) + { + memset (GFX.SubZBuffer + y * GFX_ZPITCH + pClip->Left [c][5], + 1, pClip->Right [c][5] - pClip->Left [c][5]); + + if (IPPU.Clip [0].Count [5]) + { + // Blast, have to clear the sub-screen to the fixed-colour + // because there is a colour window in effect clipping + // the main screen that will allow the sub-screen + // 'underneath' to show through. + + register unsigned int width = pClip->Right [c][5] - pClip->Left [c][5]; + if (width > 0) { + asm volatile ( + " mov r0, %[fixedcolour] \n" + " subs %[width], %[width], #4 \n" + " bmi 2f \n" + + "1: \n" + " subs %[width], %[width], #4 \n" + " stmia %[p]!, {r0, %[fixedcolour]}\n" + " bpl 1b \n" + + "2: \n" + " tst %[width], #1 \n" + " strneh %[fixedcolour], [%[p]], #2 \n" + + " tst %[width], #2 \n" + " strne %[fixedcolour], [%[p]], #4 \n" + + : [width] "+r" (width) + : [fixedcolour] "r" (fixedColour), + [p] "r" (((uint16 *) (GFX.SubScreen + y * GFX_PITCH)) + pClip->Left [c][5]) + : "r0", "cc" + ); + } + } + } + } + } + + } + else + { + // No windows are clipping the main screen + // this simplifies the screen clearing process + // loop through all of the lines to be updated + for (uint32 y = starty; y <= endy; y++) { + // Clear the Zbuffer + memset32 ((uint32_t*)(GFX.ZBuffer + y * GFX_ZPITCH),0, (256>>2)); + // clear the sub Zbuffer to 1 + memset32 ((uint32_t*)(GFX.SubZBuffer + y * GFX_ZPITCH), 0x01010101, (256>>2)); + + if (IPPU.Clip [0].Count [5]) { + // Blast, have to clear the sub-screen to the fixed-colour + // because there is a colour window in effect clipping + // the main screen that will allow the sub-screen + // 'underneath' to show through. + + memset32 ((uint32_t*)(GFX.SubScreen + y * GFX_PITCH), fixedColour, (256>>1)); + } + } + } + if (ANYTHING_ON_SUB) + { + GFX.DB = GFX.SubZBuffer; + RenderScreen (GFX.SubScreen, TRUE, TRUE, SUB_SCREEN_DEPTH); + } + + if (IPPU.Clip [0].Count [5]) + { + asm volatile ( + "1: \n" + " mov r1, #(256 >> 2) \n" + + "2: \n" + // four pixels at once + " ldrb r0, [%[d]], #1 \n" + " ldrb r4, [%[d]], #1 \n" + + " bics r0, r0, #1 \n" + " ldrneh r0, [%[p], %[delta]] \n" + + " bics r4, r4, #1 \n" + " ldrneh r4, [%[p], %[delta2]] \n" + + " strh r0, [%[p]], #2 \n" + " strh r4, [%[p]], #2 \n" + + " ldrb r0, [%[d]], #1 \n" + " ldrb r4, [%[d]], #1 \n" + + " bics r0, r0, #1 \n" + " ldrneh r0, [%[p], %[delta]] \n" + + " bics r4, r4, #1 \n" + " ldrneh r4, [%[p], %[delta2]] \n" + + " strh r0, [%[p]], #2 \n" + " strh r4, [%[p]], #2 \n" + + " subs r1, r1, #1 \n" + " bne 2b \n" + "3: \n" + " subs %[lines], %[lines], #1 \n" + " add %[p], %[p], #(640 - 512) \n" + " add %[d], %[d], #(320 - 256) \n" + " bne 1b \n" + "4: \n" + + : + : [p] "r" ((uint16 *) (GFX.Screen + starty * GFX_PITCH)), + [d] "r" (GFX.SubZBuffer + starty * GFX_ZPITCH), + [delta] "r" (GFX.Delta << 1), + [delta2] "r" ((GFX.Delta << 1) + 2), + [lines] "r" (endy - starty + 1) + : "r0", "r1", "r3", "r4", "cc" + ); + } + + GFX.DB = GFX.ZBuffer; + RenderScreen (GFX.Screen, FALSE, FALSE, MAIN_SCREEN_DEPTH); + if (SUB_OR_ADD(5)) + { + uint32 back = IPPU.ScreenColors [0]; + uint32 Left = 0; + uint32 Right = 256; + uint32 Count; + + pClip = &IPPU.Clip [0]; + + for (uint32 y = starty; y <= endy; y++) + { + if (!(Count = pClip->Count [5])) + { + Left = 0; + Right = 256; + Count = 1; + } + + for (uint32 b = 0; b < Count; b++) + { + if (pClip->Count [5]) + { + Left = pClip->Left [b][5]; + Right = pClip->Right [b][5]; + if (Right <= Left) + continue; + } +#define SUBSCREEN_BG(rop, half) \ +\ +asm volatile (\ +" ldrb r0, [%[d]], #1 \n"\ +"71: \n"\ +\ +" movs r0, r0 \n"\ +" ldreqb r1, [%[d], %[zdelta]] \n"\ +" bne 72f \n"\ +\ +" cmp r1, #1 \n"\ +" beq 74f \n"\ +" ldrh r1, [%[p], %[delta]] \n"\ +" mov r0, %[back] \n"\ +\ +ROP_##rop##half (r0, r1)\ +\ +" strh r0, [%[p]] \n"\ +"72: \n"\ +" add %[p], %[p], #2 \n"\ +" subs %[c], %[c], #1 \n"\ +" ldrneb r0, [%[d]], #1 \n"\ +" bne 71b \n"\ +" b 75f \n"\ +"74: \n"\ +" streqh %[fixedcolour], [%[p]], #2 \n"\ +" strloh %[back], [%[p]], #2 \n"\ +" subs %[c], %[c], #1 \n"\ +" ldrneb r0, [%[d]], #1 \n"\ +" bne 71b \n"\ +"75: \n"\ +:\ +:[p] "r" ((uint16 *) (GFX.Screen + y * GFX_PITCH) + Left),\ + [d] "r" (GFX.ZBuffer + y * GFX_ZPITCH + Left),\ + [zdelta] "r" (GFX.DepthDelta),\ + [back] "r" (back),\ + [delta] "r" (GFX.Delta << 1),\ + [fixedcolour] "r" (COLOR_##rop (back, GFX.FixedColour)),\ + [c] "r" (Right - Left) \ +: "r0", "r1", "cc"\ +); + if (GFX.r2131 & 0x80) + { + if (GFX.r2131 & 0x40) + { + SUBSCREEN_BG(SUB, 1_2) + } + else + { + SUBSCREEN_BG(SUB, ) + + } + } + else + if (GFX.r2131 & 0x40) + { + SUBSCREEN_BG(ADD, 1_2) + } + else if (back != 0) { + SUBSCREEN_BG(ADD, ) + } + else + { + if (!pClip->Count [5]) + { + // The backdrop has not been cleared yet - so + // copy the sub-screen to the main screen + // or fill it with the back-drop colour if the + // sub-screen is clear. + asm volatile ( + " ldrb r0, [%[d]], #1 \n" + "31: \n" + + " movs r0, r0 \n" + " ldreqb r1, [%[d], %[zdelta]] \n" + " bne 32f \n" + + " cmp r1, #1 \n" + " ldrhih r0, [%[p], %[delta]] \n" + " strloh %[back], [%[p]] \n" + " streqh %[fixedcolour], [%[p]] \n" + " strhih r0, [%[p]] \n" + + "32: \n" + " subs %[c], %[c], #1 \n" + " add %[p], %[p], #2 \n" + " ldrneb r0, [%[d]], #1 \n" + " bne 31b \n" + " \n" + : + :[p] "r" ((uint16 *) (GFX.Screen + y * GFX_PITCH) + Left), + [d] "r" (GFX.ZBuffer + y * GFX_ZPITCH + Left), + [zdelta] "r" (GFX.DepthDelta), + [back] "r" (back), + [delta] "r" (GFX.Delta << 1), + [fixedcolour] "r" (GFX.FixedColour), + [c] "r" (Right - Left) + : "r0", "r1", "cc" + + ); + + } + } + } + } + + } + else + { + // Subscreen not being added to back + uint32 back = IPPU.ScreenColors [0] | (IPPU.ScreenColors [0] << 16); + pClip = &IPPU.Clip [0]; + + if (pClip->Count [5]) + { + for (uint32 y = starty; y <= endy; y++) + { + for (uint32 b = 0; b < pClip->Count [5]; b++) + { + uint32 Left = pClip->Left [b][5]; + uint32 Right = pClip->Right [b][5]; + if (Left >= Right) continue; + asm volatile ( + + " tst %[c], #1 \n" + " bne 21f \n" + + " ldrb r0, [%[d]], #1 \n" + " add %[p], %[p], #2 \n" + " movs r0, r0 \n" + " streqh %[back], [%[p], #-2] \n" + " subs %[c], %[c], #1 \n" + " beq 22f \n" + + "21: \n" + + " ldrb r0, [%[d]], #1 \n" + " ldrb r1, [%[d]], #1 \n" + " add %[p], %[p], #4 \n" + + " movs r0, r0 \n" + " streqh %[back], [%[p], #-4] \n" + + " movs r1, r1 \n" + " streqh %[back], [%[p], #-2] \n" + + " subs %[c], %[c], #2 \n" + " bhi 21b \n" + "22: \n" + : + :[p] "r" ((uint16 *) (GFX.Screen + y * GFX_PITCH) + Left), + [d] "r" (GFX.ZBuffer + y * GFX_ZPITCH + Left), + [back] "r" (back), + [c] "r" (Right - Left) + : "r0", "r1", "cc" + + ); + } + } + } + else + { + asm volatile ( + "@ -- SubScreen clear \n" + "1113: \n" + " mov r1, #(256/8) \n" + "1112: \n" + " ldr r0, [%[d]], #4 \n" + + " add %[p], %[p], #8 \n" + + " tst r0, #0x0ff \n" + " streqh %[back], [%[p], #-8] \n" + + " tst r0, #0x0ff00 \n" + " streqh %[back], [%[p], #-6] \n" + + " tst r0, #0x0ff0000 \n" + " streqh %[back], [%[p], #-4] \n" + + " tst r0, #0x0ff000000 \n" + " streqh %[back], [%[p], #-2] \n" + + " ldr r0, [%[d]], #4 \n" + + " add %[p], %[p], #8 \n" + + " tst r0, #0x0ff \n" + " streqh %[back], [%[p], #-8] \n" + + " tst r0, #0x0ff00 \n" + " streqh %[back], [%[p], #-6] \n" + + " tst r0, #0x0ff0000 \n" + " streqh %[back], [%[p], #-4] \n" + + " tst r0, #0x0ff000000 \n" + " streqh %[back], [%[p], #-2] \n" + + " subs r1, r1, #1 \n" + " bne 1112b \n" + + " subs %[lines], %[lines], #1 \n" + " add %[p], %[p], #(640-512) \n" + " add %[d], %[d], #(320-256) \n" + " bne 1113b \n" + "1114:" + : + :[p] "r" (GFX.Screen + starty * GFX_PITCH), + [d] "r" (GFX.ZBuffer + starty * GFX_ZPITCH), + [back] "r" (back), + [lines] "r" (endy - starty + 1) + : "r0", "r1", "cc" + ); + } + } + } + else + { + // 16bit and transparency but currently no transparency effects in + // operation. + + // get the back colour of the current screen + uint32 back = IPPU.ScreenColors [0] | + (IPPU.ScreenColors [0] << 16); + + // if forceblanking in use then use black instead of the back color + if (PPU.ForcedBlanking) + back = black; + + // not sure what Clip is used for yet + // could be a check to see if there is any clipping present? + if (IPPU.Clip [0].Count[5]) + { + + // loop through all of the lines that are going to be updated as part of this screen update + for (uint32 y = starty; y <= endy; y++) + { + memset32 ((uint32_t*)(GFX.Screen + y * GFX_PITCH), black, + IPPU.RenderedScreenWidth>>1); + + if (black!=back) + { + for (uint32 c = 0; c < IPPU.Clip [0].Count [5]; c++) + { + if (IPPU.Clip [0].Right [c][5] > IPPU.Clip [0].Left [c][5]) + { + register unsigned int width = IPPU.Clip [0].Right [c][5] - IPPU.Clip [0].Left [c][5]; + if (width > 0) { + asm volatile ( + " mov r0, %[back] \n" + " subs %[width], %[width], #4 \n" + " bmi 2f \n" + + "1: \n" + " subs %[width], %[width], #4 \n" + " stmia %[p]!, {r0, %[back]} \n" + " bpl 1b \n" + + "2: \n" + " tst %[width], #1 \n" + " strneh %[back], [%[p]], #2 \n" + + " tst %[width], #2 \n" + " strne %[back], [%[p]], #4 \n" + : [width] "+r" (width) + : [back] "r" (back | (back << 16)), + [p] "r" (((uint16 *) (GFX.SubScreen + y * GFX_PITCH)) + IPPU.Clip [0].Left [c][5]) + : "r0", "cc" + ); + } + + } + } + } + } + } + else + { + // there is no clipping to worry about so just fill with the back colour + for (uint32 y = starty; y <= endy; y++) { + memset32 ((uint32_t*)(GFX.Screen + y * GFX_PITCH), back, (256>>1)); + } + + } + + // If Forced blanking is not in effect + if (!PPU.ForcedBlanking) + { + // Clear the Zbuffer for each of the lines which are going to be updated + for (uint32 y = starty; y <= endy; y++) { + memset32 ((uint32_t*)(GFX.ZBuffer + y * GFX_ZPITCH), 0, (256>>2)); + } + GFX.DB = GFX.ZBuffer; // save pointer to Zbuffer in GFX object + RenderScreen (GFX.Screen, FALSE, TRUE, SUB_SCREEN_DEPTH); + } + } + IPPU.PreviousLine = IPPU.CurrentLine; +} + +// -x- +void S9xUpdateScreenNoTransparency () // ~30-50ms! (called from FLUSH_REDRAW()) +{ + GFX.S = GFX.Screen; + + unsigned char *memoryfillram = Memory.FillRAM; + + // get local copies of vid registers to be used later + GFX.r2131 = memoryfillram [0x2131]; // ADDITION/SUBTRACTION & SUBTRACTION DESIGNATION FOR EACH SCREEN + GFX.r212c = memoryfillram [0x212c]; // MAIN SCREEN, DESIGNATION - used to enable BGS + GFX.r212d = memoryfillram [0x212d]; // SUB SCREEN DESIGNATION - used to enable sub BGS + GFX.r2130 = memoryfillram [0x2130]; // INITIAL SETTINGS FOR FIXED COLOR ADDITION OR SCREEN ADDITION + + // If external sync is off and + // main screens have not been configured the same as the sub screen and + // color addition and subtraction has been diabled then + // Pseudo is 1 + // anything else it is 0 + GFX.Pseudo = (memoryfillram [0x2133] & 8) != 0 && // Use EXTERNAL SYNCHRONIZATION? + (GFX.r212c & 15) != (GFX.r212d & 15) && // Are the main screens different from the sub screens? + (GFX.r2131 & 0x3f) == 0; // Is colour data addition/subtraction disabled on all BGS? + + // If sprite data has been changed then go through and + // refresh the sprites. + if (IPPU.OBJChanged) + { + S9xSetupOBJ (); + } + + if (PPU.RecomputeClipWindows) ComputeClipWindows(); + + GFX.StartY = IPPU.PreviousLine; + if ((GFX.EndY = IPPU.CurrentLine - 1) >= PPU.ScreenHeight) + GFX.EndY = PPU.ScreenHeight - 1; + + uint32 starty = GFX.StartY; + uint32 endy = GFX.EndY; + + uint32 black = BLACK | (BLACK << 16); + + // get back colour to be used in clearing the screen + register uint32 back; + if (!(Memory.FillRAM [0x2131] & 0x80) &&(Memory.FillRAM[0x2131] & 0x20) && + (PPU.FixedColourRed || PPU.FixedColourGreen || PPU.FixedColourBlue)) + { + back = (IPPU.XB[PPU.FixedColourRed]<<11) | + (IPPU.XB[PPU.FixedColourGreen] << 6) | + (IPPU.XB[PPU.FixedColourBlue] << 1) | 1; + back = (back << 16) | back; + } + else + { + back = IPPU.ScreenColors [0] | (IPPU.ScreenColors [0] << 16); + } + + // if Forcedblanking in use then back colour becomes black + if (PPU.ForcedBlanking) + back = black; + else + { + SelectTileRenderer (TRUE); //selects the tile renderers to be used + // TRUE means to use the default + // FALSE means use best renderer based on current + // graphics register settings + } + + // now clear all graphics lines which are being updated using the back colour + for (register uint32 y = starty; y <= endy; y++) + { + memset32 ((uint32_t*)(GFX.Screen + y * GFX_PITCH), back, + IPPU.RenderedScreenWidth>>1); + } + + if (!PPU.ForcedBlanking) + { + // Loop through all lines being updated and clear the + // zbuffer for each of the lines + for (uint32 y = starty; y <= endy; y++) + { + memset32 ((uint32_t*)(GFX.ZBuffer + y * GFX_ZPITCH), 0, + IPPU.RenderedScreenWidth>>2); + } + GFX.DB = GFX.ZBuffer; // save pointer to Zbuffer in GFX object + GFX.pCurrentClip = &IPPU.Clip [0]; + +// Define an inline function to handle clipping +#define FIXCLIP(n) \ +if (GFX.r212c & (1 << (n))) \ + GFX.pCurrentClip = &IPPU.Clip [0]; \ +else \ + GFX.pCurrentClip = &IPPU.Clip [1] + +// Define an inline function to handle which BGs are being displayed +#define DISPLAY(n) ((GFX.r212c & n) || ((GFX.r212d & n) && subadd)) + + uint8 subadd = GFX.r2131 & 0x3f; + + // go through all BGS are check if they need to be displayed + bool8_32 BG0 = DISPLAY(1) && !(Settings.os9x_hack & GFX_IGNORE_BG0); + bool8_32 BG1 = DISPLAY(2) && !(Settings.os9x_hack & GFX_IGNORE_BG1); + bool8_32 BG2 = DISPLAY(4) && !(Settings.os9x_hack & GFX_IGNORE_BG2); + bool8_32 BG3 = DISPLAY(8) && !(Settings.os9x_hack & GFX_IGNORE_BG3); + bool8_32 OB = DISPLAY(16) && !(Settings.os9x_hack & GFX_IGNORE_OBJ); + + if (PPU.BGMode <= 1) + { + // screen modes 0 and 1 + if (OB) + { + FIXCLIP(4); + DrawOBJS (); + } + if (BG0) + { + FIXCLIP(0); + DrawBackground (PPU.BGMode, 0, 10, 14); + } + if (BG1) + { + FIXCLIP(1); + DrawBackground (PPU.BGMode, 1, 9, 13); + } + if (BG2) + { + FIXCLIP(2); + DrawBackground (PPU.BGMode, 2, 3, + PPU.BG3Priority ? 17 : 6); + } + if (BG3 && PPU.BGMode == 0) + { + FIXCLIP(3); + DrawBackground (PPU.BGMode, 3, 2, 5); + } + } + else if (PPU.BGMode != 7) + { + // screen modes 2 and up but not mode 7 + if (OB) + { + FIXCLIP(4); + DrawOBJS (); + } + if (BG0) + { + FIXCLIP(0); + DrawBackground (PPU.BGMode, 0, 5, 13); + } + if (BG1 && PPU.BGMode != 6) + { + FIXCLIP(1); + DrawBackground (PPU.BGMode, 1, 2, 9); + } + } + else + { + // screen mode 7 + DrawBGMode7Background16New (GFX.Screen); + if (OB) + { + FIXCLIP(4); + DrawOBJS (); + } + } + } + IPPU.PreviousLine = IPPU.CurrentLine; +} + +// -x- + +#ifdef GFX_MULTI_FORMAT + +#define _BUILD_PIXEL(F) \ +uint32 BuildPixel##F(uint32 R, uint32 G, uint32 B) \ +{ \ + return (BUILD_PIXEL_##F(R,G,B)); \ +}\ +uint32 BuildPixel2##F(uint32 R, uint32 G, uint32 B) \ +{ \ + return (BUILD_PIXEL2_##F(R,G,B)); \ +} \ +void DecomposePixel##F(uint32 pixel, uint32 &R, uint32 &G, uint32 &B) \ +{ \ + DECOMPOSE_PIXEL_##F(pixel,R,G,B); \ +} + +_BUILD_PIXEL(RGB565) +_BUILD_PIXEL(RGB555) +_BUILD_PIXEL(BGR565) +_BUILD_PIXEL(BGR555) +_BUILD_PIXEL(GBR565) +_BUILD_PIXEL(GBR555) +_BUILD_PIXEL(RGB5551) + +bool8_32 S9xSetRenderPixelFormat (int format) +{ + extern uint32 current_graphic_format; + + current_graphic_format = format; + + switch (format) + { + case RGB565: + _BUILD_SETUP(RGB565) + return (TRUE); + case RGB555: + _BUILD_SETUP(RGB555) + return (TRUE); + case BGR565: + _BUILD_SETUP(BGR565) + return (TRUE); + case BGR555: + _BUILD_SETUP(BGR555) + return (TRUE); + case GBR565: + _BUILD_SETUP(GBR565) + return (TRUE); + case GBR555: + _BUILD_SETUP(GBR555) + return (TRUE); + case RGB5551: + _BUILD_SETUP(RGB5551) + return (TRUE); + default: + break; + } + return (FALSE); +} +#endif -- cgit v1.2.3