From 7a7857f47b33f1b63fb585d2dc6c60d87c3e928f Mon Sep 17 00:00:00 2001 From: aliaspider Date: Mon, 9 Nov 2015 19:55:28 +0100 Subject: C++ --> C99 --- src/gfx.cpp | 3772 ----------------------------------------------------------- 1 file changed, 3772 deletions(-) delete mode 100644 src/gfx.cpp (limited to 'src/gfx.cpp') diff --git a/src/gfx.cpp b/src/gfx.cpp deleted file mode 100644 index fe8f2b4..0000000 --- a/src/gfx.cpp +++ /dev/null @@ -1,3772 +0,0 @@ -/* - * 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" -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 CLIP_10_BIT_SIGNED(a) \ - ((a)%1023) -#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 DrawTile (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); -void DrawClippedTile (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Width, - uint32 StartLine, uint32 LineCount); -void DrawTilex2 (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); -void DrawClippedTilex2 (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Width, - uint32 StartLine, uint32 LineCount); -void DrawTilex2x2 (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); -void DrawClippedTilex2x2 (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Width, - uint32 StartLine, uint32 LineCount); -void DrawLargePixel (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Pixels, - uint32 StartLine, uint32 LineCount); - -void DrawTile16 (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); -void DrawTile16_OBJ (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 DrawTile16Add (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); - -void DrawClippedTile16Add (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Width, - 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 DrawTile16Sub (uint32 Tile, uint32 Offset, uint32 StartLine, - uint32 LineCount); - -void DrawClippedTile16Sub (uint32 Tile, uint32 Offset, - uint32 StartPixel, uint32 Width, - 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) - 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) - { - if (!S9xInitUpdate ()) - { - IPPU.RenderThisFrame = FALSE; - return; - } - 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) -{ - } - -INLINE void SelectTileRenderer (bool8_32 normal) -{ - if (normal) - { - DrawTilePtr = DrawTile16; - DrawClippedTilePtr = DrawClippedTile16; - DrawLargePixelPtr = DrawLargePixel16; - } - else - { - if (GFX.r2131 & 0x80) - { - if (GFX.r2131 & 0x40) - { - if (GFX.r2130 & 2) - { - DrawTilePtr = DrawTile16Sub1_2; - DrawClippedTilePtr = DrawClippedTile16Sub1_2; - } - else - { - // Fixed colour substraction - DrawTilePtr = DrawTile16FixedSub1_2; - DrawClippedTilePtr = DrawClippedTile16FixedSub1_2; - } - DrawLargePixelPtr = DrawLargePixel16Sub1_2; - } - else - { - DrawTilePtr = DrawTile16Sub; - DrawClippedTilePtr = DrawClippedTile16Sub; - DrawLargePixelPtr = DrawLargePixel16Sub; - } - } - else - { - if (GFX.r2131 & 0x40) - { - if (GFX.r2130 & 2) - { - DrawTilePtr = DrawTile16Add1_2; - DrawClippedTilePtr = DrawClippedTile16Add1_2; - } - else - { - // Fixed colour addition - DrawTilePtr = DrawTile16FixedAdd1_2; - DrawClippedTilePtr = DrawClippedTile16FixedAdd1_2; - } - DrawLargePixelPtr = DrawLargePixel16Add1_2; - } - else - { - DrawTilePtr = DrawTile16Add; - DrawClippedTilePtr = DrawClippedTile16Add; - DrawLargePixelPtr = DrawLargePixel16Add; - } - } - } -} - -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) - { - GFX.OBJList [C++] = S; - 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) -{ - uint32 O; - uint32 BaseTile, Tile; - - CHECK_SOUND(); - - BG.BitShift = 4; - 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; - - GFX.Z1 = D + 2; - - if ( DrawTilePtr == DrawTile16 ){ - DrawTilePtr = DrawTile16_OBJ; - } - 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); - if ( DrawTilePtr == DrawTile16 ){ - DrawTilePtr = DrawTile16_OBJ; - } - } - - 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; - - 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); - - 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; - (*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) - { - (*DrawTilePtr) (Tile, O, TileLine, LineCount); - } - if (Offset) - { - (*DrawClippedTilePtr) (Tile, O, 0, Offset, - TileLine, LineCount); - } - } - } - } - } -} - -void DrawBackgroundMosaic (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) -{ - 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; - - 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) -{ - 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; - - 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) -{ - CHECK_SOUND(); - - uint8 depths [2] = {Z1, Z2}; - - uint32 Tile; - uint16 *SC0; - uint16 *SC1; - uint16 *SC2; - uint16 *SC3; - uint32 Width; - - BG.StartPalette = 0; - - 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) -{ - uint32 Tile; - uint16 *SC0; - uint16 *SC1; - uint16 *SC2; - uint16 *SC3; - uint32 Width; - uint8 depths [2] = {Z1, Z2}; - - 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[0])%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; - - TileBlank = 0xFFFFFFFF; - for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines){ - 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; - - if (Y + Lines > GFX.EndY) - Lines = GFX.EndY + 1 - Y; - - 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; - - 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 s = Left + Y * GFX_PPL; - uint32 HPos = (HOffset + Left) & 0x1ff; - uint32 Quot = HPos >> 3; - uint32 Count = 0; - uint16 *t; - - if (Quot > 31) t = b2 + (Quot & 0x1f); else t = b1 + Quot; - - Width = Right - Left; - - // Left hand edge clipped tile - if (HPos & 7){ - uint32 Offset = (HPos & 7); - Count = 8 - Offset; - if (Count > Width) Count = Width; - s -= Offset; - Tile = READ_2BYTES(t); - if (Tile != TileBlank){ - GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; - (*DrawClippedTilePtr) (Tile, s, Offset, Count, VirtAlign, Lines); - } - t++; - if (Quot == 31) t = b2; 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); - if (Tile != TileBlank){ - GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; - (*DrawTilePtr) (Tile, s, VirtAlign, Lines); - } - - t++; - if (Quot == 31) t = b2; else if (Quot == 63) t = b1; - } - - // Right-hand edge clipped tiles - if (Count){ - Tile = READ_2BYTES(t); - if (Tile != TileBlank){ - GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; - (*DrawClippedTilePtr) (Tile, s, 0, Count & 7, VirtAlign, Lines); - } - } - } - } - GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; -} - -void DrawBackground_16 (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) -{ - uint32 Tile; - uint16 *SC0; - uint16 *SC1; - uint16 *SC2; - uint16 *SC3; - uint32 Width; - uint8 depths [2] = {Z1, Z2}; - - 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[0])%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; - - TileBlank = 0xFFFFFFFF; - for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines){ - 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; - - if (Y + Lines > GFX.EndY) - Lines = GFX.EndY + 1 - Y; - - 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; - - 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 s = Left + Y * GFX_PPL; - uint32 HPos = (HOffset + Left) & 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){ - uint32 Offset = (HPos & 7); - Count = 8 - Offset; - if (Count > Width) Count = Width; - s -= Offset; - Tile = READ_2BYTES(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 += Quot & 1; - if (Quot == 63) t = b2; else if (Quot == 127) 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); - 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 += Quot & 1; - if (Quot == 63) t = b2; else if (Quot == 127) t = b1; - } - - // Right-hand edge clipped tiles - if (Count){ - Tile = READ_2BYTES(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); - } - } - } - } - GFX.Z1 = GFX.Z2 = depths [(Tile & 0x2000) >> 13]; -} - -inline void DrawBackground (uint32 BGMode, uint32 bg, uint8 Z1, uint8 Z2) -{ -//StartAnalyze(); - - BG.TileSize = BGSizes [PPU.BG[bg].BGSize]; - BG.BitShift = BitShifts[BGMode][bg]; - 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 ( DrawTilePtr == DrawTile16_OBJ ){ - DrawTilePtr = DrawTile16; - } - - 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); - return; - - case 5: - case 6: // XXX: is also offset per tile. - DrawBackgroundMode5 (BGMode, bg, Z1, Z2); - return; - } - CHECK_SOUND(); - - if (BGMode == 0) - BG.StartPalette = bg << 5; - else BG.StartPalette = 0; - - if (BG.TileSize == 8){ - DrawBackground_8 (BGMode, bg, Z1, Z2); - } else { - DrawBackground_16 (BGMode, bg, Z1, Z2); - } -} - -#define RENDER_BACKGROUND_MODE7(FUNC) \ - CHECK_SOUND(); \ -\ - uint8 *VRAM1 = Memory.VRAM + 1; \ - if (GFX.r2130 & 1) \ - { \ - if (IPPU.DirectColourMapsNeedRebuild) \ - S9xBuildDirectColourMaps (); \ - GFX.ScreenColors = DirectColourMaps [0]; \ - } \ - else \ - GFX.ScreenColors = IPPU.ScreenColors; \ -\ - int aa, cc; \ - int dir; \ - int startx, endx; \ - uint32 Left = 0; \ - uint32 Right = 256; \ - uint32 ClipCount = GFX.pCurrentClip->Count [bg]; \ -\ - if (!ClipCount) \ - ClipCount = 1; \ -\ - Screen += GFX.StartY * GFX_PITCH; \ - struct SLineMatrixData *l = &LineMatrixData [GFX.StartY]; \ -\ - for (uint32 Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, l++) \ - { \ - int yy; \ -\ - int32 HOffset = ((int32) LineData [Line].BG[0].HOffset << M7) >> M7; \ - int32 VOffset = ((int32) LineData [Line].BG[0].VOffset << M7) >> M7; \ -\ - int32 CentreX = ((int32) l->CentreX << M7) >> M7; \ - int32 CentreY = ((int32) l->CentreY << M7) >> M7; \ -\ - if (PPU.Mode7VFlip) \ - yy = 255 - (int) Line; \ - else \ - yy = Line; \ -\ - if (PPU.Mode7Repeat == 0) \ - yy += (VOffset - CentreY) % 1023; \ - else \ - yy += VOffset - CentreY; \ - int BB = l->MatrixB * yy + (CentreX << 8); \ - int DD = l->MatrixD * yy + (CentreY << 8); \ -\ - for (uint32 clip = 0; clip < ClipCount; clip++) \ - { \ - if (GFX.pCurrentClip->Count [bg]) \ - { \ - Left = GFX.pCurrentClip->Left [clip][bg]; \ - Right = GFX.pCurrentClip->Right [clip][bg]; \ - if (Right <= Left) \ - continue; \ - } \ - uint16 *p = (uint16 *) Screen + Left; \ -\ - if (PPU.Mode7HFlip) \ - { \ - startx = Right - 1; \ - endx = Left - 1; \ - dir = -1; \ - aa = -l->MatrixA; \ - cc = -l->MatrixC; \ - } \ - else \ - { \ - startx = Left; \ - endx = Right; \ - dir = 1; \ - aa = l->MatrixA; \ - cc = l->MatrixC; \ - } \ - int xx; \ - if (PPU.Mode7Repeat == 0) \ - xx = startx + (HOffset - CentreX) % 1023; \ - else \ - xx = startx + HOffset - CentreX; \ - int AA = l->MatrixA * xx; \ - int CC = l->MatrixC * xx; \ -\ - if (!PPU.Mode7Repeat) \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++) \ - { \ - register int X = ((AA + BB) >> 8) & 0x3ff; \ - register int Y = ((CC + DD) >> 8) & 0x3ff; \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (b) \ - { \ - *p = (FUNC); \ - } \ - } \ - } \ - else \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++) \ - { \ - int X = ((AA + BB) >> 8); \ - int Y = ((CC + DD) >> 8); \ -\ - if (Settings.Dezaemon && PPU.Mode7Repeat == 2) \ - { \ - X &= 0x7ff; \ - Y &= 0x7ff; \ - } \ -\ - if (((X | Y) & ~0x3ff) == 0) \ - { \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (b) \ - { \ - *p = (FUNC); \ - } \ - } \ - else \ - { \ - if (PPU.Mode7Repeat == 3) \ - { \ - X = (x + HOffset) & 7; \ - Y = (yy + CentreY) & 7; \ - uint32 b = *(VRAM1 + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (b ) \ - { \ - *p = (FUNC); \ - } \ - } \ - } \ - } \ - } \ - } \ - } - -#define RENDER_BACKGROUND_MODE7ADDSUB(DEPTH, FUNC) \ - CHECK_SOUND(); \ -\ - uint8 *VRAM1 = Memory.VRAM + 1; \ - if (GFX.r2130 & 1) \ - { \ - if (IPPU.DirectColourMapsNeedRebuild) \ - S9xBuildDirectColourMaps (); \ - GFX.ScreenColors = DirectColourMaps [0]; \ - } \ - else \ - GFX.ScreenColors = IPPU.ScreenColors; \ -\ - int aa, cc; \ - int dir; \ - int startx, endx; \ - uint32 Left = 0; \ - uint32 Right = 256; \ - uint32 ClipCount = GFX.pCurrentClip->Count [bg]; \ -\ - if (!ClipCount) \ - ClipCount = 1; \ -\ - Screen += GFX.StartY * GFX_PITCH; \ - uint8 *Depth = GFX.DB + GFX.StartY * GFX_PPL; \ - struct SLineMatrixData *l = &LineMatrixData [GFX.StartY]; \ -\ - for (uint32 Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, l++) \ - { \ - int yy; \ -\ - int32 HOffset = ((int32) LineData [Line].BG[0].HOffset << M7) >> M7; \ - int32 VOffset = ((int32) LineData [Line].BG[0].VOffset << M7) >> M7; \ -\ - int32 CentreX = ((int32) l->CentreX << M7) >> M7; \ - int32 CentreY = ((int32) l->CentreY << M7) >> M7; \ -\ - if (PPU.Mode7VFlip) \ - yy = 255 - (int) Line; \ - else \ - yy = Line; \ -\ - if (PPU.Mode7Repeat == 0) \ - yy += (VOffset - CentreY) % 1023; \ - else \ - yy += VOffset - CentreY; \ - int BB = l->MatrixB * yy + (CentreX << 8); \ - int DD = l->MatrixD * yy + (CentreY << 8); \ -\ - for (uint32 clip = 0; clip < ClipCount; clip++) \ - { \ - if (GFX.pCurrentClip->Count [bg]) \ - { \ - Left = GFX.pCurrentClip->Left [clip][bg]; \ - Right = GFX.pCurrentClip->Right [clip][bg]; \ - if (Right <= Left) \ - continue; \ - } \ - uint16 *p = (uint16 *) Screen + Left; \ - uint8 *d = Depth + Left; \ -\ - if (PPU.Mode7HFlip) \ - { \ - startx = Right - 1; \ - endx = Left - 1; \ - dir = -1; \ - aa = -l->MatrixA; \ - cc = -l->MatrixC; \ - } \ - else \ - { \ - startx = Left; \ - endx = Right; \ - dir = 1; \ - aa = l->MatrixA; \ - cc = l->MatrixC; \ - } \ - int xx; \ - if (PPU.Mode7Repeat == 0) \ - xx = startx + (HOffset - CentreX) % 1023; \ - else \ - xx = startx + HOffset - CentreX; \ - int AA = l->MatrixA * xx; \ - int CC = l->MatrixC * xx; \ -\ - if (!PPU.Mode7Repeat) \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++, d++) \ - { \ - int X = ((AA + BB) >> 8) & 0x3ff; \ - int Y = ((CC + DD) >> 8) & 0x3ff; \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (DEPTH > *d && (b) ) \ - { \ - *p = (FUNC); \ - *d = DEPTH; \ - } \ - } \ - } \ - else \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++, d++) \ - { \ - int X = ((AA + BB) >> 8); \ - int Y = ((CC + DD) >> 8); \ -\ - if (Settings.Dezaemon && PPU.Mode7Repeat == 2) \ - { \ - X &= 0x7ff; \ - Y &= 0x7ff; \ - } \ -\ - if (((X | Y) & ~0x3ff) == 0) \ - { \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (DEPTH > *d && (b) ) \ - { \ - *p = (FUNC); \ - *d = DEPTH; \ - } \ - } \ - else \ - { \ - if (PPU.Mode7Repeat == 3) \ - { \ - X = (x + HOffset) & 7; \ - Y = (yy + CentreY) & 7; \ - uint32 b = *(VRAM1 + ((Y & 7) << 4) + ((X & 7) << 1)); \ - if (DEPTH > *d && (b) ) \ - { \ - *p = (FUNC); \ - *d = DEPTH; \ - } \ - } \ - } \ - } \ - } \ - } \ - } - -#define RENDER_BACKGROUND_MODE7PRIO(FUNC) \ - CHECK_SOUND(); \ -\ - uint8 *VRAM1 = Memory.VRAM + 1; \ - if (GFX.r2130 & 1) \ - { \ - if (IPPU.DirectColourMapsNeedRebuild) \ - S9xBuildDirectColourMaps (); \ - GFX.ScreenColors = DirectColourMaps [0]; \ - } \ - else \ - GFX.ScreenColors = IPPU.ScreenColors; \ -\ - int aa, cc; \ - int dir; \ - int startx, endx; \ - uint32 Left = 0; \ - uint32 Right = 256; \ - uint32 ClipCount = GFX.pCurrentClip->Count [bg]; \ -\ - if (!ClipCount) \ - ClipCount = 1; \ -\ - Screen += GFX.StartY * GFX_PITCH; \ - uint8 *Depth = GFX.DB + GFX.StartY * GFX_PPL; \ - struct SLineMatrixData *l = &LineMatrixData [GFX.StartY]; \ -\ - for (uint32 Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, l++) \ - { \ - int yy; \ -\ - int32 HOffset = ((int32) LineData [Line].BG[0].HOffset << M7) >> M7; \ - int32 VOffset = ((int32) LineData [Line].BG[0].VOffset << M7) >> M7; \ -\ - int32 CentreX = ((int32) l->CentreX << M7) >> M7; \ - int32 CentreY = ((int32) l->CentreY << M7) >> M7; \ -\ - if (PPU.Mode7VFlip) \ - yy = 255 - (int) Line; \ - else \ - yy = Line; \ -\ - if (PPU.Mode7Repeat == 0) \ - yy += (VOffset - CentreY) % 1023; \ - else \ - yy += VOffset - CentreY; \ - int BB = l->MatrixB * yy + (CentreX << 8); \ - int DD = l->MatrixD * yy + (CentreY << 8); \ -\ - for (uint32 clip = 0; clip < ClipCount; clip++) \ - { \ - if (GFX.pCurrentClip->Count [bg]) \ - { \ - Left = GFX.pCurrentClip->Left [clip][bg]; \ - Right = GFX.pCurrentClip->Right [clip][bg]; \ - if (Right <= Left) \ - continue; \ - } \ - uint16 *p = (uint16 *) Screen + Left; \ - uint8 *d = Depth + Left; \ -\ - if (PPU.Mode7HFlip) \ - { \ - startx = Right - 1; \ - endx = Left - 1; \ - dir = -1; \ - aa = -l->MatrixA; \ - cc = -l->MatrixC; \ - } \ - else \ - { \ - startx = Left; \ - endx = Right; \ - dir = 1; \ - aa = l->MatrixA; \ - cc = l->MatrixC; \ - } \ - int xx; \ - if (PPU.Mode7Repeat == 0) \ - xx = startx + (HOffset - CentreX) % 1023; \ - else \ - xx = startx + HOffset - CentreX; \ - int AA = l->MatrixA * xx; \ - int CC = l->MatrixC * xx; \ -\ - if (!PPU.Mode7Repeat) \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++, d++) \ - { \ - int X = ((AA + BB) >> 8) & 0x3ff; \ - int Y = ((CC + DD) >> 8) & 0x3ff; \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - GFX.Z1 = Mode7Depths [(b & 0x80) >> 7]; \ - if (GFX.Z1 > *d && (b & 0x7f) ) \ - { \ - *p = (FUNC); \ - *d = GFX.Z1; \ - } \ - } \ - } \ - else \ - { \ - for (int x = startx; x != endx; x += dir, AA += aa, CC += cc, p++, d++) \ - { \ - int X = ((AA + BB) >> 8); \ - int Y = ((CC + DD) >> 8); \ -\ - if (Settings.Dezaemon && PPU.Mode7Repeat == 2) \ - { \ - X &= 0x7ff; \ - Y &= 0x7ff; \ - } \ -\ - if (((X | Y) & ~0x3ff) == 0) \ - { \ - uint8 *TileData = VRAM1 + (Memory.VRAM[((Y & ~7) << 5) + ((X >> 2) & ~1)] << 7); \ - uint32 b = *(TileData + ((Y & 7) << 4) + ((X & 7) << 1)); \ - GFX.Z1 = Mode7Depths [(b & 0x80) >> 7]; \ - if (GFX.Z1 > *d && (b & 0x7f) ) \ - { \ - *p = (FUNC); \ - *d = GFX.Z1; \ - } \ - } \ - else \ - { \ - if (PPU.Mode7Repeat == 3) \ - { \ - X = (x + HOffset) & 7; \ - Y = (yy + CentreY) & 7; \ - uint32 b = *(VRAM1 + ((Y & 7) << 4) + ((X & 7) << 1)); \ - GFX.Z1 = Mode7Depths [(b & 0x80) >> 7]; \ - if (GFX.Z1 > *d && (b & 0x7f) ) \ - { \ - *p = (FUNC); \ - *d = GFX.Z1; \ - } \ - } \ - } \ - } \ - } \ - } \ - } - -void DrawBGMode7Background16New (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7 (GFX.ScreenColors [b & 0xff]); -} - -void DrawBGMode7Background16 (uint8 *Screen, int bg, int depth) -{ - RENDER_BACKGROUND_MODE7ADDSUB (depth, GFX.ScreenColors [b & 0xff]); -} - -void DrawBGMode7Background16Add (uint8 *Screen, int bg, int depth) -{ - RENDER_BACKGROUND_MODE7ADDSUB (depth, *(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_ADD (GFX.ScreenColors [b & 0xff], - p [GFX.Delta]) : - COLOR_ADD (GFX.ScreenColors [b & 0xff], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0xff]); - -} - -void DrawBGMode7Background16Add1_2 (uint8 *Screen, int bg, int depth) -{ - RENDER_BACKGROUND_MODE7ADDSUB (depth, *(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_ADD1_2 (GFX.ScreenColors [b & 0xff], - p [GFX.Delta]) : - COLOR_ADD (GFX.ScreenColors [b & 0xff], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0xff]); -} - -void DrawBGMode7Background16Sub (uint8 *Screen, int bg, int depth) -{ - RENDER_BACKGROUND_MODE7ADDSUB (depth, *(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_SUB (GFX.ScreenColors [b & 0xff], - p [GFX.Delta]) : - COLOR_SUB (GFX.ScreenColors [b & 0xff], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0xff]); -} - -void DrawBGMode7Background16Sub1_2 (uint8 *Screen, int bg, int depth) -{ - RENDER_BACKGROUND_MODE7ADDSUB (depth, *(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_SUB1_2 (GFX.ScreenColors [b & 0xff], - p [GFX.Delta]) : - COLOR_SUB (GFX.ScreenColors [b & 0xff], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0xff]); -} - -void DrawBGMode7Background16Prio (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7PRIO (GFX.ScreenColors [b & 0x7f]); -} - -void DrawBGMode7Background16AddPrio (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7PRIO (*(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_ADD (GFX.ScreenColors [b & 0x7f], - p [GFX.Delta]) : - COLOR_ADD (GFX.ScreenColors [b & 0x7f], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0x7f]); -} - -void DrawBGMode7Background16Add1_2Prio (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7PRIO (*(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_ADD1_2 (GFX.ScreenColors [b & 0x7f], - p [GFX.Delta]) : - COLOR_ADD (GFX.ScreenColors [b & 0x7f], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0x7f]); -} - -void DrawBGMode7Background16SubPrio (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7PRIO (*(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_SUB (GFX.ScreenColors [b & 0x7f], - p [GFX.Delta]) : - COLOR_SUB (GFX.ScreenColors [b & 0x7f], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0x7f]); -} - -void DrawBGMode7Background16Sub1_2Prio (uint8 *Screen, int bg) -{ - RENDER_BACKGROUND_MODE7PRIO (*(d + GFX.DepthDelta) ? - (*(d + GFX.DepthDelta) != 1 ? - COLOR_SUB1_2 (GFX.ScreenColors [b & 0x7f], - p [GFX.Delta]) : - COLOR_SUB (GFX.ScreenColors [b & 0x7f], - GFX.FixedColour)) : - GFX.ScreenColors [b & 0x7f]); -} - -#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); - } - - sub |= force_no_add; - - if (PPU.BGMode <= 1) - { - if (OB) - { - SelectTileRenderer (sub || !SUB_OR_ADD(4)); - 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)); - 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)); - 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) - { - DrawBGMode7Background16Sub1_2Prio (Screen, bg); - } - else - { - DrawBGMode7Background16SubPrio (Screen, bg); - } - } - else - { - if (GFX.r2131 & 0x40) - { - DrawBGMode7Background16Add1_2Prio (Screen, bg); - } - else - { - DrawBGMode7Background16AddPrio (Screen, bg); - } - } - } - } - else - { - bg = 0; - if (sub || !SUB_OR_ADD(0)) - { - if (D || !SNESGameFixes.Mode7Hack) - DrawBGMode7Background16 (Screen, bg, D+5); - else - DrawBGMode7Background16New (Screen, bg); - } - 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)); - 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()) -{ - int32 x2 = 1; - - 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 (); - PPU.RecomputeClipWindows = FALSE; - } - - 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; - - if (Settings.SupportHiRes && - (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.LatchedInterlace)) - { - if (PPU.BGMode == 5 || PPU.BGMode == 6) - { - IPPU.RenderedScreenWidth = 512; - x2 = 2; - } - if (IPPU.LatchedInterlace) - { - starty = GFX.StartY * 2; - endy = GFX.EndY * 2 + 1; - } - if (!IPPU.DoubleWidthPixels) - { - // The game has switched from lo-res to hi-res mode part way down - // the screen. Scale any existing lo-res pixels on screen - for (register uint32 y = 0; y < GFX.StartY; y++) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + 255; - register uint16 *q = (uint16 *) (GFX.Screen + y * GFX_PITCH) + 510; - for (register int x = 255; x >= 0; x--, p--, q -= 2) - *q = *(q + 1) = *p; - } - IPPU.DoubleWidthPixels = TRUE; - } - } - - uint32 black = BLACK | (BLACK << 16); - - // Are we worrying about transparencies? - if (Settings.Transparency) - { - 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. - -#ifdef RC_OPTIMIZED - for (uint32 y = starty; y <= endy; y++) - { - - ZeroMemory (GFX.SubZBuffer + y * GFX_ZPITCH, - IPPU.RenderedScreenWidth); - ZeroMemory (GFX.ZBuffer + y * GFX_ZPITCH, - IPPU.RenderedScreenWidth); - - if (IPPU.Clip [0].Count [5]) - { - memset ((GFX.SubScreen + y * GFX_PITCH), black, IPPU.RenderedScreenWidth); - } - 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] * x2, - 1, (pClip->Right [c][5] - pClip->Left [c][5]) * x2); - 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. - memset ((GFX.SubScreen + y * GFX_PITCH) + pClip->Left [c][5] * x2, - GFX.FixedColour, - pClip->Right[c][5]*x2 - pClip->Left [c][5] * x2); - } - } - } - } - -#else // NOT RC_OPTIMIZED - // 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, - IPPU.RenderedScreenWidth>>2); - // Clear the Zbuffer - memset32 ((uint32_t*)(GFX.ZBuffer + y * GFX_ZPITCH),0, - IPPU.RenderedScreenWidth>>2); - - // if there is clipping then clear subscreen to a black color - if (IPPU.Clip [0].Count [5]) - { - memset32 ((uint32_t*)(GFX.SubScreen + y * GFX_PITCH), black, IPPU.RenderedScreenWidth>>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] * x2, - 1, (pClip->Right [c][5] - pClip->Left [c][5]) * x2); - 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 uint16 *p = (uint16 *) (GFX.SubScreen + y * GFX_PITCH); - register uint16 *q = p + pClip->Right [c][5] * x2; - p += pClip->Left [c][5] * x2; - - while (p < q) - *p++ = (uint16) GFX.FixedColour; - } - } - } - } -#endif -//#undef RC_OPTIMIZED - - } - else - { - // No windows are clipping the main screen - // this simplifies the screen clearing process -#ifdef RC_OPTIMIZED - - if (GFX_ZPITCH == (uint32)IPPU.RenderedScreenWidth) - { - - memset (GFX.ZBuffer + starty * GFX_ZPITCH, 0, GFX_ZPITCH * (endy - starty - 1)); - memset (GFX.SubZBuffer + starty * GFX_ZPITCH, 1, GFX_ZPITCH * (endy - starty - 1)); - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - ZeroMemory (GFX.ZBuffer + y * GFX_ZPITCH, - IPPU.RenderedScreenWidth); - memset (GFX.SubZBuffer + y * GFX_ZPITCH, 1, - IPPU.RenderedScreenWidth); - } - } - - 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. - if (GFX_PITCH == (uint32)IPPU.RenderedScreenWidth) - { - memset ((GFX.SubScreen + starty * GFX_PITCH), - GFX.FixedColour | (GFX.FixedColour << 16), - GFX_PITCH * (endy - starty - 1)); - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - memset ((GFX.SubScreen + y * GFX_PITCH), - GFX.FixedColour | (GFX.FixedColour << 16), - IPPU.RenderedScreenWidth); - } - } - } - -#else // NOT RC_OPTIMIZED - // 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, - IPPU.RenderedScreenWidth>>2); - // clear the sub Zbuffer to 1 - memset32 ((uint32_t*)(GFX.SubZBuffer + y * GFX_ZPITCH), 0x01010101, - IPPU.RenderedScreenWidth>>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, - IPPU.RenderedScreenWidth>>1); - } - } -#endif - - } - - if (ANYTHING_ON_SUB) - { - GFX.DB = GFX.SubZBuffer; - RenderScreen (GFX.SubScreen, TRUE, TRUE, SUB_SCREEN_DEPTH); - } - - if (IPPU.Clip [0].Count [5]) - { - for (uint32 y = starty; y <= endy; y++) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH); - register uint8 *d = GFX.SubZBuffer + y * GFX_ZPITCH ; - register uint8 *e = d + IPPU.RenderedScreenWidth; - - while (d < e) - { - if (*d > 1) - *p = *(p + GFX.Delta); - else - *p = BLACK; - d++; - p++; - } - } - } - - 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 * x2; - Count = 1; - } - - for (uint32 b = 0; b < Count; b++) - { - if (pClip->Count [5]) - { - Left = pClip->Left [b][5] * x2; - Right = pClip->Right [b][5] * x2; - if (Right <= Left) - continue; - } - - if (GFX.r2131 & 0x80) - { - if (GFX.r2131 & 0x40) - { - // Subtract, halving the result. - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *s = GFX.SubZBuffer + y * GFX_ZPITCH + Left; - register uint8 *e = d + Right; - uint16 back_fixed = COLOR_SUB (back, GFX.FixedColour); - - d += Left; - while (d < e) - { - if (*d == 0) - { - if (*s) - { - if (*s != 1) - *p = COLOR_SUB1_2 (back, *(p + GFX.Delta)); - else - *p = back_fixed; - } - else - *p = (uint16) back; - } - d++; - p++; - s++; - } - } - else - { - // Subtract - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *s = GFX.SubZBuffer + y * GFX_ZPITCH + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *e = d + Right; - uint16 back_fixed = COLOR_SUB (back, GFX.FixedColour); - - d += Left; - while (d < e) - { - if (*d == 0) - { - if (*s) - { - if (*s != 1) - *p = COLOR_SUB (back, *(p + GFX.Delta)); - else - *p = back_fixed; - } - else - *p = (uint16) back; - } - d++; - p++; - s++; - } - } - } - else - if (GFX.r2131 & 0x40) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *s = GFX.SubZBuffer + y * GFX_ZPITCH + Left; - register uint8 *e = d + Right; - uint16 back_fixed = COLOR_ADD (back, GFX.FixedColour); - d += Left; - while (d < e) - { - if (*d == 0) - { - if (*s) - { - if (*s != 1) - *p = COLOR_ADD1_2 (back, *(p + GFX.Delta)); - else - *p = back_fixed; - } - else - *p = (uint16) back; - } - d++; - p++; - s++; - } - } - else - if (back != 0) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *s = GFX.SubZBuffer + y * GFX_ZPITCH + Left; - register uint8 *e = d + Right; - uint16 back_fixed = COLOR_ADD (back, GFX.FixedColour); - d += Left; - while (d < e) - { - if (*d == 0) - { - if (*s) - { - if (*s != 1) - *p = COLOR_ADD (back, *(p + GFX.Delta)); - else - *p = back_fixed; - } - else - *p = (uint16) back; - } - d++; - p++; - s++; - } - } - 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. - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *s = GFX.SubZBuffer + y * GFX_ZPITCH + Left; - register uint8 *e = d + Right; - d += Left; - while (d < e) - { - if (*d == 0) - { - if (*s) - { - if (*s != 1) - *p = *(p + GFX.Delta); - else - *p = GFX.FixedColour; - } - else - *p = (uint16) back; - } - d++; - p++; - s++; - } - } - } - } - } - - } - 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] * x2; - uint32 Right = pClip->Right [b][5] * x2; - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + Left; - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *e = d + Right; - d += Left; - - while (d < e) - { - if (*d++ == 0) - *p = (int16) back; - p++; - } - } - } - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH); - register uint8 *d = GFX.ZBuffer + y * GFX_ZPITCH; - register uint8 *e = d + 256 * x2; - - while (d < e) - { - if (*d == 0) -#ifdef RC_OPTIMIZED - *p++ = back; - d++; -#else - *p = (int16) back; - d++; - p++; -#endif - } - } - } - } - } - 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]) - { - -#ifdef RC_OPTIMIZED - if (GFX_PITCH == (uint32)IPPU.RenderedScreenWidth) - { - memset (GFX.Screen + starty * GFX_PITCH, black, - GFX_PITCH * (endy - starty - 1)); - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - memset (GFX.Screen + y * GFX_PITCH, black, - GFX_PITCH); - } - } - for (uint32 y = starty; y <= endy; y++) - { - for (uint32 c = 0; c < IPPU.Clip [0].Count [5]; c++) - { - if (IPPU.Clip [0].Right [c][5] > IPPU.Clip [0].Left [c][5]) - { - - memset ((GFX.Screen + y * GFX_PITCH) + IPPU.Clip [0].Left [c][5] * x2, - back, - IPPU.Clip [0].Right [c][5] * x2 - IPPU.Clip [0].Left [c][5] * x2); - } - } - } -#else - // 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 uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH); // get pointer to current line in screen buffer - register uint16 *q = p + IPPU.Clip [0].Right [c][5] * x2; // get pointer to end of line - p += IPPU.Clip [0].Left [c][5] * x2; - - while (p < q) - *p++ = (uint16) back; // fill all pixels in clipped section with the back colour - } - } - } - } -#endif - } - else - { -#ifdef RC_OPTIMIZED - if (GFX_PITCH == (uint32)IPPU.RenderedScreenWidth) - { - memset (GFX.Screen + starty * GFX_PITCH, back, - GFX_PITCH * (endy - starty - 1)); - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - memset (GFX.Screen + y * GFX_PITCH, back, - GFX_PITCH); - } - } -#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, - IPPU.RenderedScreenWidth>>1); - } -#endif - } - - // If Forced blanking is not in effect - if (!PPU.ForcedBlanking) - { -#ifdef RC_OPTIMIZED - if (GFX_ZPITCH == (uint32)IPPU.RenderedScreenWidth) - { - memset (GFX.ZBuffer + starty * GFX_ZPITCH, 0, - GFX_ZPITCH * (endy - starty - 1)); - } - else - { - for (uint32 y = starty; y <= endy; y++) - { - memset (GFX.ZBuffer + y * GFX_ZPITCH, 0, - GFX_ZPITCH); - } - } -#else - // 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, - IPPU.RenderedScreenWidth>>2); - } -#endif - GFX.DB = GFX.ZBuffer; // save pointer to Zbuffer in GFX object - RenderScreen (GFX.Screen, FALSE, TRUE, SUB_SCREEN_DEPTH); - } - } - } - else // Transparencys are disabled, ahh lovely ... nice and easy. - { - // 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 - GFX.Mode7Mask = 0xff; - GFX.Mode7PriorityMask = 0; - int bg = 0; - DrawBGMode7Background16New (GFX.Screen, bg); - if (OB) - { - FIXCLIP(4); - DrawOBJS (); - } - } - } - } -#ifndef RC_OPTIMIZE // no hi res - if (Settings.SupportHiRes && PPU.BGMode != 5 && PPU.BGMode != 6) - { - if (IPPU.DoubleWidthPixels) - { - // Mixure of background modes used on screen - scale width - // of all non-mode 5 and 6 pixels. - for (register uint32 y = GFX.StartY; y <= GFX.EndY; y++) - { - register uint16 *p = (uint16 *) (GFX.Screen + y * GFX_PITCH) + 255; - register uint16 *q = (uint16 *) (GFX.Screen + y * GFX_PITCH) + 510; - for (register int x = 255; x >= 0; x--, p--, q -= 2) - *q = *(q + 1) = *p; - } - - } - - if (IPPU.LatchedInterlace) - { - // Interlace is enabled - double the height of all non-mode 5 and 6 - // pixels. - for (uint32 y = GFX.StartY; y <= GFX.EndY; y++) - { - memcpy32 ((uint32_t*)(GFX.Screen + (y * 2 + 1) * GFX_PITCH), - (uint32_t*)(GFX.Screen + y * 2 * GFX_PITCH), - GFX_PITCH>>2); - } - } - } -#endif - IPPU.PreviousLine = IPPU.CurrentLine; -} - -#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