summaryrefslogtreecommitdiff
path: root/src/gfx.cpp
diff options
context:
space:
mode:
authoraliaspider2015-11-09 19:55:28 +0100
committeraliaspider2015-11-09 19:55:28 +0100
commit7a7857f47b33f1b63fb585d2dc6c60d87c3e928f (patch)
treea4c271ae26c4b5ec9566f37062168e6d2c8c1bbc /src/gfx.cpp
parent5339c79ebd36afa759541d0c2fbdadac6dd26ed2 (diff)
downloadsnes9x2002-7a7857f47b33f1b63fb585d2dc6c60d87c3e928f.tar.gz
snes9x2002-7a7857f47b33f1b63fb585d2dc6c60d87c3e928f.tar.bz2
snes9x2002-7a7857f47b33f1b63fb585d2dc6c60d87c3e928f.zip
C++ --> C99
Diffstat (limited to 'src/gfx.cpp')
-rw-r--r--src/gfx.cpp3772
1 files changed, 0 insertions, 3772 deletions
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 <stdint.h>
-#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
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-06 17:18:53 +0000