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gfx.cpp
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gfx.cpp
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#define PSP_GU_RENDER_MIN_UPDATED_LINES 4
/*
* 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.
*/
#define _TRANSP_SUPPORT_
#define OLD_COLOUR_BLENDING
//#include <tapwave.h>
#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 "tile.h"
extern unsigned char gammatab[10][32];
extern uint32 os9x_gammavalue;
extern int os9x_BG0,os9x_BG1,os9x_BG2,os9x_BG3,os9x_OBJ,os9x_easy;
extern int os9x_renderingpass,os9x_render;
/*extern "C" void asmClearScreenFast16(uint8 *scr,uint32 starty,uint32 endy,uint32 back);
extern "C" void asmClearScreenFast8(uint8 *scr,uint32 starty,uint32 endy,uint32 back);
extern "C" void asmClearBufferFast32_16(uint8 *buf,uint32 val,uint32 size);*/
inline void asmClearBufferFast32_16(uint8 *buf,uint32 val,uint32 size)
{
for (;size;size--)
*buf++=val;
}
inline void asmClearScreenFast16(uint8 *scr,uint32 starty,uint32 endy,uint32 back)
{
int sizey=endy-starty+1;
uint32 *p=(uint32*)(scr+starty*256*2);
for (int i=(sizey*256*2>>2);i;i--)
*p++=back;
}
inline void asmClearScreenFast8(uint8 *scr,uint32 starty,uint32 endy,uint32 back)
{
int sizey=endy-starty+1;
uint32 *p=(uint32*)(scr+starty*256);
for (int i=(sizey*256>>2);i;i--)
*p++=back;
}
extern int os9x_ShowSub;
extern int os9x_fastmode;
extern int os9x_fastsprite;
void (*ptrDrawTileNewSprite)(uint32 Tile, uint32 Offset, uint32 StartLine, uint32 LineCount, uint32 index_spr);
void (*ptrDrawClippedTileNewSprite)(uint32 Tile, uint32 Offset,uint32 StartPixel, uint32 Width,uint32 StartLine, uint32 LineCount, uint32 index_spr);
void (*ptrDrawTileNew)(uint32 Tile, uint32 Offset, uint32 StartLine, uint32 LineCount);
void (*ptrDrawClippedTileNew)(uint32 Tile, uint32 Offset,uint32 StartPixel, uint32 Width,uint32 StartLine, uint32 LineCount);
void (*ptrDrawHiResTileNew) (uint32 Tile, uint32 Offset, uint32 StartLine, uint32 LineCount);
void (*ptrDrawHiResClippedTileNew) (uint32 Tile, uint32 Offset,uint32 StartPixel, uint32 Width,uint32 StartLine, uint32 LineCount);
//#define asmPPU
#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 struct SBG BG;
extern uint8 Mode7Depths [2];
#define BLACK BUILD_PIXEL(0,0,0)
#define FIXCLIP(n)\
if (GFX.r212c & (1 << (n))) \
GFX.pCurrentClip = &IPPU.Clip [0]; \
else \
GFX.pCurrentClip = &IPPU.Clip [1];
#define DISPLAY(n)\
( !(PPU.BG_Forced & n) && \
( (GFX.r212c & n) || ( ( (GFX.r212d & n) && subadd) ) ) \
)
#define ON_MAIN(N) \
(GFX.r212c & (1 << (N)) && \
!(PPU.BG_Forced & (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)) && \
!(PPU.BG_Forced & (1 << (N))))
#define ADD_OR_SUB_ON_ANYTHING \
(GFX.r2131 & 0x3f)
#define ANYTHING_ON_SUB \
((GFX.r2130 & 0x30) != 0x30 && \
(GFX.r2130 & 2) && \
(GFX.r212d & 0x1f))
void os9x_SetTileRender(int32 transp)
{
if (!transp)
{
// if (os9x_softrendering)
{
if (os9x_fastsprite)
{
ptrDrawTileNewSprite=softDrawTile16NewFastSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16NewFastSprite;
}
else
{
ptrDrawTileNewSprite=softDrawTile16NewSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16NewSprite;
}
ptrDrawTileNew=softDrawTile16New;
ptrDrawClippedTileNew=softDrawClippedTile16New;
ptrDrawHiResTileNew=softDrawHiResTile16New;
ptrDrawHiResClippedTileNew=softDrawHiResClippedTile16New;
}
/* else
{
if (os9x_fastsprite)
{
ptrDrawTileNewSprite=DrawTile16NewFastSprite;
ptrDrawClippedTileNewSprite=DrawClippedTile16NewFastSprite;
}
else
{
ptrDrawTileNewSprite=DrawTile16NewSprite;
ptrDrawClippedTileNewSprite=DrawClippedTile16NewSprite;
}
ptrDrawTileNew=DrawTile16New;
ptrDrawClippedTileNew=DrawClippedTile16New;
ptrDrawHiResTileNew=DrawHiResTile16New;
ptrDrawHiResClippedTileNew=DrawHiResClippedTile16New;
}*/
}
else
{
// if (os9x_softrendering)
{
if (GFX.r2131 & 0x80)
{
if (!(GFX.r2131 & 0x40))
{
ptrDrawTileNewSprite=softDrawTile16SUBNewSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16SUBNewSprite;
ptrDrawTileNew=softDrawTile16SUBNew;
ptrDrawClippedTileNew=softDrawClippedTile16SUBNew;
ptrDrawHiResTileNew=softDrawHiResTile16SUBNew;
ptrDrawHiResClippedTileNew=softDrawHiResClippedTile16SUBNew;
}
else
{
ptrDrawTileNewSprite=softDrawTile16SUB1_2NewSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16SUB1_2NewSprite;
ptrDrawTileNew=softDrawTile16SUB1_2New;
ptrDrawClippedTileNew=softDrawClippedTile16SUB1_2New;
ptrDrawHiResTileNew=softDrawHiResTile16SUB1_2New;
ptrDrawHiResClippedTileNew=softDrawHiResClippedTile16SUB1_2New;
}
}
else
{
if (!(GFX.r2131 & 0x40))
{
ptrDrawTileNewSprite=softDrawTile16ADDNewSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16ADDNewSprite;
ptrDrawTileNew=softDrawTile16ADDNew;
ptrDrawClippedTileNew=softDrawClippedTile16ADDNew;
ptrDrawHiResTileNew=softDrawHiResTile16ADDNew;
ptrDrawHiResClippedTileNew=softDrawHiResClippedTile16ADDNew;
}
else
{
ptrDrawTileNewSprite=softDrawTile16ADD1_2NewSprite;
ptrDrawClippedTileNewSprite=softDrawClippedTile16ADD1_2NewSprite;
ptrDrawTileNew=softDrawTile16ADD1_2New;
ptrDrawClippedTileNew=softDrawClippedTile16ADD1_2New;
ptrDrawHiResTileNew=softDrawHiResTile16ADD1_2New;
ptrDrawHiResClippedTileNew=softDrawHiResClippedTile16ADD1_2New;
}
}
}
/* else
{
}*/
}
}
bool8 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 char 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.RealPitch = GFX.Pitch2 = GFX.Pitch;
GFX.ZPitch = GFX.Pitch;
// if (Settings.SixteenBit)
GFX.ZPitch >>= 1;
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;
// if (Settings.Transparency)
// Settings.SixteenBit = TRUE;
IPPU.DirectColourMapsNeedRebuild = TRUE;
GFX.PPL = GFX.Pitch >> 1;
GFX.PPLx2 = GFX.Pitch;
S9xFixColourBrightness ();
#ifdef _TRANSP_SUPPORT_
//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);
}
}
}
// GFX.ZERO = NULL;
#else
{
GFX.X2 = NULL;
GFX.ZERO_OR_X2 = NULL;
GFX.ZERO = NULL;
}
#endif
return (TRUE);
}
void S9xGraphicsDeinit (void)
{
// Free any memory allocated in S9xGraphicsInit
//if (GFX.X2)
//{
//free (GFX.X2);
//GFX.X2 = NULL;
//}
if (GFX.ZERO_OR_X2)
{
free (GFX.ZERO_OR_X2);
GFX.ZERO_OR_X2 = NULL;
}
if (GFX.ZERO)
{
free (GFX.ZERO);
GFX.ZERO = NULL;
}
}
void S9xBuildDirectColourMaps ()
{
uint8 *cgamma=(uint8*)gammatab[os9x_gammavalue];
for (uint32 p = 0; p < 8; p++)
{
for (uint32 c = 0; c < 256; c++)
{
// XXX: Brightness
DirectColourMaps [p][c] = BUILD_PIXEL (cgamma[((c & 7) << 2) | ((p & 1) << 1)],
cgamma[((c & 0x38) >> 1) | (p & 2)],
cgamma[((c & 0xc0) >> 3) | (p & 4)]);
}
}
IPPU.DirectColourMapsNeedRebuild = FALSE;
}
void S9xStartScreenRefresh ()
{
// if (GFX.InfoStringTimeout > 0 && --GFX.InfoStringTimeout == 0)
// GFX.InfoString = NULL;
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 = (FillRAM[0x2133] & 1);
// IPPU.Interlace = (FillRAM[0x2133] & 1);
if (Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 ||
IPPU.LatchedInterlace/*IPPU.Interlace*/))
{
if (PPU.BGMode == 5 || PPU.BGMode == 6)
{
IPPU.RenderedScreenWidth = 512;
IPPU.DoubleWidthPixels = TRUE;
}
if (/*IPPU.Interlace*/IPPU.LatchedInterlace)
{
IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
GFX.Pitch2 = GFX.RealPitch;
GFX.Pitch = GFX.RealPitch * 2;
//if (Settings.SixteenBit)
GFX.PPL = GFX.PPLx2 = GFX.RealPitch;
//else
// GFX.PPL = GFX.PPLx2 = GFX.RealPitch << 1;
}
else
{
IPPU.RenderedScreenHeight = PPU.ScreenHeight;
GFX.Pitch2 = GFX.Pitch = GFX.RealPitch;
//if (Settings.SixteenBit)
GFX.PPL = GFX.Pitch >> 1;
//else
// GFX.PPL = GFX.Pitch;
GFX.PPLx2 = GFX.PPL << 1;
}
#if defined(USE_GLIDE) || defined(USE_OPENGL)
GFX.ZPitch = GFX.RealPitch;
if (Settings.SixteenBit)
GFX.ZPitch >>= 1;
#endif
}
else
{
IPPU.RenderedScreenWidth = 256;
IPPU.RenderedScreenHeight = PPU.ScreenHeight;
IPPU.DoubleWidthPixels = FALSE;
{
GFX.Pitch2 = GFX.Pitch = GFX.RealPitch;
GFX.PPL = GFX.PPLx2 >> 1;
GFX.ZPitch = GFX.RealPitch;
//if (Settings.SixteenBit)
GFX.ZPitch >>= 1;
}
}
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;
}
}
extern void DrawBGMode7Background16New (uint16 *Screen, int bg);
extern void DrawBGMode7Background16PrioNew (uint16 *Screen, int bg, int prio);
/*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;
if (IPPU.RenderThisFrame)
{
// INFO_FLUSH_REDRAW("endrefresh");
FLUSH_REDRAW ();
if (IPPU.ColorsChanged)
{
uint32 saved = PPU.CGDATA[0];
IPPU.ColorsChanged = FALSE;
S9xSetPalette ();
PPU.CGDATA[0] = saved;
}
GFX.Pitch = GFX.Pitch2 = GFX.RealPitch;
GFX.PPL = GFX.PPLx2 >> 1;
/* if (Settings.DisplayFrameRate)
S9xDisplayFrameRate ();
if (GFX.InfoString)
S9xDisplayString (GFX.InfoString);*/
S9xDeinitUpdate (IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight,
TRUE);
}
// S9xApplyCheats ();
#ifdef DEBUGGER
if (CPUPack.CPU.Flags & FRAME_ADVANCE_FLAG)
{
if (CPUPack.ICPU.FrameAdvanceCount)
{
CPUPack.ICPU.FrameAdvanceCount--;
IPPU.RenderThisFrame = TRUE;
IPPU.FrameSkip = 0;
}
else
{
CPUPack.CPU.Flags &= ~FRAME_ADVANCE_FLAG;
CPUPack.CPU.Flags |= DEBUG_MODE_FLAG;
}
}
#endif
if (CPUPack.CPU.SRAMModified) {
if (!CPUPack.CPU.AutoSaveTimer) {
if (!(CPUPack.CPU.AutoSaveTimer = Settings.AutoSaveDelay * Memory.ROMFramesPerSecond)) CPUPack.CPU.SRAMModified = FALSE;
} else {
if (!--CPUPack.CPU.AutoSaveTimer) {
S9xAutoSaveSRAM ();
CPUPack.CPU.SRAMModified = FALSE;
}
}
}
}
//void S9xSetInfoString (const char *string)
//{
// GFX.InfoString = string;
// GFX.InfoStringTimeout = 120;
//}
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;
if (os9x_fastsprite)
{
int FirstSprite = PPU.FirstSprite & 0x7f;
/*yo*/
int LSPR = (FirstSprite-1)&0x7F;
int S = LSPR;
/**/
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 != LSPR);
}
else
{
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 DrawOBJSNew (int32 prio,int32 OnMain=FALSE)
{
uint32 OGP32;
uint32 BaseTile, Tile;
CHECK_SOUND();
BG.BitShift = 4;
BG.TileShift = 5;
BG.TileAddress = PPU.OBJNameBase;
BG.StartPalette = 128;
BG.PaletteShift = 4;
BG.PaletteMask = 7;
// if (os9x_softrendering)
{
BG.Buffer = IPPU.TileCache [TILE_4BIT];
BG.BufferRam = IPPU.TileCache8 [TILE_4BIT];
}
/* else
{
BG.Buffer = os9x_tileCachesPtr[TILE_4BIT];//IPPU.TileCache [TILE_4BIT];
BG.BufferRam = IPPU.TileCache [TILE_4BIT];
os9x_curTileCache = os9x_tileCaches[TILE_4BIT];
}*/
BG.Buffered = IPPU.TileCached [TILE_4BIT];
BG.NameSelect = PPU.OBJNameSelect;
BG.DirectColourMode = FALSE;
/* if (GFX.OBJList[0]<0) return;
int I = 0;
while (GFX.OBJList[++I]>=0);
for (int S = GFX.OBJList [--I]; I >= 0; S = GFX.OBJList [--I])*/
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 ((PPU.OBJ[S].Priority!=prio)&&(prio!=-1))
continue;
if (VPos + Size <= (int) GFX.StartY || VPos > (int) GFX.EndY)
continue;
if (OnMain && SUB_OR_ADD(4))
{
os9x_SetTileRender( PPU.OBJ [S].Palette >= 4);
}
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;
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;
OGP32 = (VPos + Y + StartLine)*256;
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;
OGP32 += Left ;
if ((Offset = (Left - PPU.OBJ[S].HPos) & 7))
{
OGP32 -= Offset ;
int W = 8 - Offset;
int Width = Right - Left;
if (W > Width)
W = Width;
ptrDrawClippedTileNewSprite(Tile, OGP32, Offset, W,TileLine, LineCount,I);
if (W >= Width)
continue;
Tile += TileInc;
Middle--;
OGP32 += 8 ;
}
}
else
OGP32 += PPU.OBJ[S].HPos ;
if (PPU.OBJ[S].HPos + Size >= Right)
{