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snes9xgx/source/snes9x/gfx.cpp

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Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
zones (kasumitokoduck@yahoo.com)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 2006 - 2007 nitsuja
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com)
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley,
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001-2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight,
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
HQ2x, HQ3x, HQ4x filters
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Specific ports contains the works of other authors. See headers in
individual files.
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and/or distribute Snes9x in both binary
Enable cheats
2008-08-07 05:25:32 +02:00
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
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 or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
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.
**********************************************************************************/
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
32 byte align some memory
2009-02-07 04:01:10 +01:00
#include <malloc.h>
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#include "snes9x.h"
#include "cpuexec.h"
#include "gfx.h"
#include "ppu.h"
#include "tile.h"
#include "display.h"
#include "controls.h"
#include "screenshot.h"
#include "cheats.h"
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
#ifndef NGC
#include "movie.h"
#endif
#include "font.h"
static int font_width = 8;
static int font_height = 9;
// private text-displaying functions
static void S9xDisplayPressedKeys ();
static void S9xDisplayFrameRate ();
static void S9xDisplayString (const char *string, int linesFromBottom=5, int pixelsFromLeft=1, bool allowWrap=true);
#ifndef NGC
static void S9xDisplayWatchedAddresses ();
#endif
// shared params for the above functions and DisplayChar
uint16* display_screen = NULL;
int display_ppl, display_width, display_height;
int display_fontwidth = font_width, display_fontheight = font_height, display_hfontaccessscale = 1, display_vfontaccessscale = 1;
bool8 display_paramsinited = FALSE;
#define DisplayString (S9xCustomDisplayString ? S9xCustomDisplayString : S9xDisplayString)
void ComputeClipWindows ();
Enable cheats
2008-08-07 05:25:32 +02:00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
extern struct SLineData LineData[240];
extern struct SLineMatrixData LineMatrixData [240];
bool8 S9xGraphicsInit(){
S9xInitTileRenderer();
ZeroMemory(BlackColourMap, 256*sizeof(uint16));
#ifdef GFX_MULTI_FORMAT
if(GFX.BuildPixel==NULL) S9xSetRenderPixelFormat(RGB565);
#endif
GFX.DoInterlace=0;
GFX.InterlaceFrame=0;
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Settings.BG_Forced=0;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
IPPU.OBJChanged=TRUE;
IPPU.DirectColourMapsNeedRebuild=TRUE;
GFX.RealPPL=GFX.Pitch>>1;
S9xFixColourBrightness();
GFX.X2=GFX.ZERO_OR_X2=GFX.ZERO=NULL;
32 byte align some memory
2009-02-07 04:01:10 +01:00
if(!(GFX.X2=(uint16*)memalign(32, sizeof(uint16)*0x10000))) goto FAIL;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#if !defined(NEW_COLOUR_BLENDING)
32 byte align some memory
2009-02-07 04:01:10 +01:00
if(!(GFX.ZERO_OR_X2=(uint16*)memalign(32, sizeof(uint16)*0x10000))) goto FAIL;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
32 byte align some memory
2009-02-07 04:01:10 +01:00
if(!(GFX.ZERO=(uint16*)memalign(32, sizeof(uint16)*0x10000))) goto FAIL;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
GFX.ScreenSize=GFX.Pitch/2*SNES_HEIGHT_EXTENDED*(Settings.SupportHiRes?2:1);
32 byte align some memory
2009-02-07 04:01:10 +01:00
if(!(GFX.SubScreen=(uint16*)memalign(32, GFX.ScreenSize*sizeof(uint16)))) goto FAIL;
if(!(GFX.ZBuffer=(uint8*)memalign(32, GFX.ScreenSize))) goto FAIL;
if(!(GFX.SubZBuffer=(uint8*)memalign(32, GFX.ScreenSize))) goto FAIL;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
uint32 r, g, b;
/* Lookup table for color addition */
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);
}
}
}
#if !defined(NEW_COLOUR_BLENDING)
/* Lookup table for color subtraction */
ZeroMemory(GFX.ZERO_OR_X2, 0x10000*sizeof(uint16));
for(r=0; r<=MAX_RED; r++){
uint32 r2=r; if(r2&0x10) r2=(r2<<1)&MAX_RED; else r2=0;
#if !defined(OLD_COLOUR_BLENDING)
if(r2==0) r2=1;
#endif
for(g=0; g<=MAX_GREEN; g++){
uint32 g2=g; if(g2&GREEN_HI_BIT) g2=(g2<<1)&MAX_GREEN; else g2=0;
#if !defined(OLD_COLOUR_BLENDING)
if(g2==0) g2=1;
#endif
for(b=0; b<=MAX_BLUE; b++){
uint32 b2=b; if(b2&0x10) b2=(b2<<1)&MAX_BLUE; else b2=0;
#if !defined(OLD_COLOUR_BLENDING)
if(b2==0) b2=1;
#endif
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
/* Lookup table for 1/2 color subtraction */
ZeroMemory(GFX.ZERO, 0x10000*sizeof(uint16));
for(r=0; r<=MAX_RED; r++){
uint32 r2=r; if(r2&0x10) r2&=~0x10; else r2=0;
for(g=0; g<=MAX_GREEN; g++){
uint32 g2=g; if(g2&GREEN_HI_BIT) g2&=~GREEN_HI_BIT; else g2=0;
for(b=0; b<=MAX_BLUE; b++){
uint32 b2=b; if(b2&0x10) b2&=~0x10; else b2=0;
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);
}
}
}
upgrade to snes9x 1.51
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GFX.Repainting = FALSE;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
return TRUE;
FAIL:
S9xGraphicsDeinit();
return FALSE;
}
void S9xGraphicsDeinit(void){
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;
if(GFX.SubScreen) free(GFX.SubScreen); GFX.SubScreen=NULL;
if(GFX.ZBuffer) free(GFX.ZBuffer); GFX.ZBuffer=NULL;
if(GFX.SubZBuffer) free(GFX.SubZBuffer); GFX.SubZBuffer=NULL;
}
void S9xBuildDirectColourMaps(void){
IPPU.XB=mul_brightness[PPU.Brightness];
for(uint32 p=0; p<8; p++){
for(uint32 c=0; c<256; c++){
DirectColourMaps[p][c]=BUILD_PIXEL(IPPU.XB[((c&7)<<2) | ((p&1)<<1)],
IPPU.XB[((c&0x38)>>1) | (p&2)],
IPPU.XB[((c&0xc0)>>3) | (p&4)]);
}
}
IPPU.DirectColourMapsNeedRebuild=FALSE;
}
void S9xStartScreenRefresh(){
if(GFX.InfoStringTimeout>0 && --GFX.InfoStringTimeout==0)
GFX.InfoString=NULL;
if(IPPU.RenderThisFrame){
if(GFX.DoInterlace && GFX.InterlaceFrame==0){
GFX.InterlaceFrame=1;
} else {
if(!S9xInitUpdate()){
IPPU.RenderThisFrame=FALSE;
return;
}
GFX.InterlaceFrame=0;
if(GFX.DoInterlace) GFX.DoInterlace--;
IPPU.RenderedFramesCount++;
IPPU.MaxBrightness=PPU.Brightness;
if(PPU.BGMode==5 || PPU.BGMode==6){
IPPU.Interlace = (Memory.FillRAM[0x2133]&1);
IPPU.InterlaceOBJ = (Memory.FillRAM[0x2133]&2);
}
IPPU.PseudoHires = Memory.FillRAM[0x2133]&8;
if(Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires || IPPU.Interlace || IPPU.InterlaceOBJ)){
GFX.RealPPL = GFX.Pitch>>1;
IPPU.DoubleWidthPixels = TRUE;
IPPU.RenderedScreenWidth = 512;
if(IPPU.Interlace || IPPU.InterlaceOBJ){
GFX.PPL = GFX.RealPPL<<1;
IPPU.DoubleHeightPixels = TRUE;
IPPU.RenderedScreenHeight = PPU.ScreenHeight<<1;
GFX.DoInterlace++;
} else {
GFX.PPL = GFX.RealPPL;
IPPU.DoubleHeightPixels = FALSE;
IPPU.RenderedScreenHeight = PPU.ScreenHeight;
}
} else {
IPPU.DoubleWidthPixels = FALSE;
IPPU.DoubleHeightPixels = FALSE;
IPPU.RenderedScreenWidth = 256;
IPPU.RenderedScreenHeight = PPU.ScreenHeight;
#ifdef USE_GLIDE
if(Settings.GlideEnable) {
// Speed up hack for Glide: render low res. SNES images
// into a handy 256x256 sized buffer that can be uploaded
// into texture memory with one Glide call without having
// to copy it into a second, suitably sized buffer first.
GFX.RealPPL = GFX.PPL = 256;
} else
#endif
#ifdef USE_OPENGL
if(Settings.OpenGLEnable) {
// Ditto for OpenGL
GFX.RealPPL = GFX.PPL = 256;
} else
#endif
{
GFX.RealPPL = GFX.PPL = GFX.Pitch>>1;
}
}
}
PPU.MosaicStart=0;
IPPU.PreviousLine=IPPU.CurrentLine=0;
PPU.RecomputeClipWindows=TRUE;
ZeroMemory(GFX.ZBuffer, GFX.ScreenSize);
ZeroMemory(GFX.SubZBuffer, GFX.ScreenSize);
}
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;
p->M7HOFS = PPU.M7HOFS;
p->M7VOFS = PPU.M7VOFS;
} 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;
} else {
/* if we're not rendering this frame, we still need to update this */
// XXX: Check ForceBlank? Or anything else?
if(IPPU.OBJChanged) S9xSetupOBJ();
PPU.RangeTimeOver |= GFX.OBJLines[C].RTOFlags;
}
}
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
bool watchesCleared=false;
#ifndef NGC
void S9xDisplayWatchedAddresses ()
{
if(!watchesCleared)
{
for(unsigned int i = 0 ; i < sizeof(watches)/sizeof(*watches) ; i++)
watches[i].on = false;
watchesCleared = true;
}
for(unsigned int i = 0 ; i < sizeof(watches)/sizeof(*watches) ; i++)
{
if(!watches[i].on)
break;
int32 displayNumber = 0;
extern struct SCheatData Cheat;
for(int r=0;r<watches[i].size;r++)
displayNumber+=(Cheat.CWatchRAM[(watches[i].address - 0x7E0000)+r])<<(8*r);
char buf [32];
if(watches[i].format==1)
sprintf(buf, "%s,%du = %u", watches[i].desc, watches[i].size, (unsigned int)displayNumber);
else if(watches[i].format==3)
sprintf(buf, "%s,%dx = %X", watches[i].desc, watches[i].size, (unsigned int)displayNumber);
else
{
// signed
if(watches[i].size == 1)
displayNumber = (int32)((int8)displayNumber);
else if(watches[i].size == 2)
displayNumber = (int32)((int16)displayNumber);
else if(watches[i].size == 3)
if(displayNumber >= 8388608)
displayNumber -= 16777216;
sprintf(buf, "%s,%ds = %d", watches[i].desc, watches[i].size, (int)displayNumber);
}
DisplayString(buf, 6+i, 1, false);
}
}
#endif
void S9xReRefresh ()
{
if(Settings.StopEmulation)
return;
GFX.Repainting = TRUE;
S9xDeinitUpdate (IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight/*, Settings.SixteenBit*/);
GFX.Repainting = FALSE;
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
void S9xEndScreenRefresh() {
if(IPPU.RenderThisFrame) {
FLUSH_REDRAW();
if(GFX.DoInterlace && GFX.InterlaceFrame==0){
S9xControlEOF();
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
S9xContinueUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
} else {
if(IPPU.ColorsChanged) {
uint32 saved = PPU.CGDATA[0];
IPPU.ColorsChanged = FALSE;
S9xSetPalette ();
PPU.CGDATA[0] = saved;
}
code restructure, revamp filebrowser
2009-10-02 00:35:12 +02:00
#ifndef NGC
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
if(Settings.TakeScreenshot)
S9xDoScreenshot(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
code restructure, revamp filebrowser
2009-10-02 00:35:12 +02:00
#endif
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
S9xControlEOF();
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
if(Settings.AutoDisplayMessages || Settings.OpenGLEnable || Settings.GlideEnable)
S9xDisplayMessages(GFX.Screen, GFX.RealPPL, IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight, 1);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
S9xDeinitUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
}
} else {
S9xControlEOF();
}
S9xApplyCheats();
#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;
}
}
}
Fixes from Snes9x 1.51+ - Fixed invalid memory accesses in C4 and OBC1. MMX3 Toxic Seahorse stage now can be emulated with HDMA. (zones) - Updated snapshot to prevent desync. Added some variables related to APU and HDMA. (gocha)
2008-10-22 20:50:26 +02:00
++IPPU.TotalEmulatedFrames;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
void S9xSetupOBJ() {
int SmallWidth, SmallHeight;
int LargeWidth, LargeHeight;
switch(PPU.OBJSizeSelect) {
case 0:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 16;
break;
case 1:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 32;
break;
case 2:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 64;
break;
case 3:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 32;
break;
case 4:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 64;
break;
default:
case 5:
SmallWidth = SmallHeight = 32;
LargeWidth = LargeHeight = 64;
break;
case 6:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = 32; LargeHeight = 64;
break;
case 7:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = LargeHeight = 32;
break;
}
int inc=IPPU.InterlaceOBJ?2:1;
/* OK, we have three cases here. Either there's no priority, priority is
* normal FirstSprite, or priority is FirstSprite+Y. The first two are
* easy, the last is somewhat more ... interesting. So we split them up. */
int Height;
uint8 S;
if(!PPU.OAMPriorityRotation || !(PPU.OAMFlip&PPU.OAMAddr&1)){
/* normal case */
uint8 LineOBJ[SNES_HEIGHT_EXTENDED];
memset(LineOBJ, 0, sizeof(LineOBJ));
for(int i=0; i<SNES_HEIGHT_EXTENDED; i++){
GFX.OBJLines[i].RTOFlags=0;
GFX.OBJLines[i].Tiles=34;
for(int j=0; j<32; j++){ GFX.OBJLines[i].OBJ[j].Sprite=-1; }
}
uint8 FirstSprite=PPU.FirstSprite;
S=FirstSprite;
do {
if(PPU.OBJ[S].Size){
GFX.OBJWidths[S]=LargeWidth; Height=LargeHeight;
} else {
GFX.OBJWidths[S]=SmallWidth; Height=SmallHeight;
}
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int HPos=PPU.OBJ[S].HPos; if(HPos==-256) HPos=0;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
if(HPos>-GFX.OBJWidths[S] && HPos<=256)
{
if(HPos<0){
GFX.OBJVisibleTiles[S]=(GFX.OBJWidths[S]+HPos+7)>>3;
upgrade to snes9x 1.51
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} else if(HPos+GFX.OBJWidths[S]>255){
GFX.OBJVisibleTiles[S]=(256-HPos+7)>>3;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
} else {
GFX.OBJVisibleTiles[S]=GFX.OBJWidths[S]>>3;
}
for(uint8 line=0, Y=(uint8)(PPU.OBJ[S].VPos&0xff); line<Height; Y++, line+=inc){
if(Y>=SNES_HEIGHT_EXTENDED) continue;
if(LineOBJ[Y]>=32){
GFX.OBJLines[Y].RTOFlags|=0x40;
continue;
}
GFX.OBJLines[Y].Tiles-=GFX.OBJVisibleTiles[S];
if(GFX.OBJLines[Y].Tiles<0) GFX.OBJLines[Y].RTOFlags|=0x80;
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Sprite=S;
if(PPU.OBJ[S].VFlip){
// Yes, Width not Height. It so happens that the
// sprites with H=2*W flip as two WxW sprites.
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line=line^(GFX.OBJWidths[S]-1);
} else {
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line=line;
}
LineOBJ[Y]++;
}
}
S=(S+1)&0x7F;
} while(S!=FirstSprite);
for(int Y=1; Y<SNES_HEIGHT_EXTENDED; Y++){
GFX.OBJLines[Y].RTOFlags |= GFX.OBJLines[Y-1].RTOFlags;
}
} else {
/* evil FirstSprite+Y case */
/* First, find out which sprites are on which lines */
uint8 OBJOnLine[SNES_HEIGHT_EXTENDED][128];
memset(OBJOnLine, 0, sizeof(OBJOnLine));
for(S=0; S<128; S++){
if(PPU.OBJ[S].Size){
GFX.OBJWidths[S]=LargeWidth; Height=LargeHeight;
} else {
GFX.OBJWidths[S]=SmallWidth; Height=SmallHeight;
}
int HPos=PPU.OBJ[S].HPos; if(HPos==-256) HPos=256;
if(HPos>-GFX.OBJWidths[S] && HPos<=256)
{
if(HPos<0){
GFX.OBJVisibleTiles[S]=(GFX.OBJWidths[S]+HPos+7)>>3;
} else if(HPos+GFX.OBJWidths[S]>=257){
GFX.OBJVisibleTiles[S]=(257-HPos+7)>>3;
} else {
GFX.OBJVisibleTiles[S]=GFX.OBJWidths[S]>>3;
}
for(uint8 line=0, Y=(uint8)(PPU.OBJ[S].VPos&0xff); line<Height; Y++, line+=inc){
if(Y>=SNES_HEIGHT_EXTENDED) continue;
if(PPU.OBJ[S].VFlip){
// Yes, Width not Height. It so happens that the
// sprites with H=2*W flip as two WxW sprites.
OBJOnLine[Y][S]=(line^(GFX.OBJWidths[S]-1)) | 0x80;
} else {
OBJOnLine[Y][S]=line | 0x80;
}
}
}
}
/* Now go through and pull out those OBJ that are actually visible. */
int j;
for(int Y=0; Y<SNES_HEIGHT_EXTENDED; Y++){
GFX.OBJLines[Y].RTOFlags=Y?GFX.OBJLines[Y-1].RTOFlags:0;
GFX.OBJLines[Y].Tiles=34;
uint8 FirstSprite=(PPU.FirstSprite+Y)&0x7F;
S=FirstSprite; j=0;
do {
if(OBJOnLine[Y][S]){
if(j>=32){
GFX.OBJLines[Y].RTOFlags|=0x40;
break;
}
GFX.OBJLines[Y].Tiles-=GFX.OBJVisibleTiles[S];
if(GFX.OBJLines[Y].Tiles<0) GFX.OBJLines[Y].RTOFlags|=0x80;
GFX.OBJLines[Y].OBJ[j].Sprite=S;
GFX.OBJLines[Y].OBJ[j++].Line=OBJOnLine[Y][S]&~0x80;
}
S=(S+1)&0x7F;
} while(S!=FirstSprite);
if(j<32) GFX.OBJLines[Y].OBJ[j].Sprite=-1;
}
}
IPPU.OBJChanged = FALSE;
}
void DrawOBJS(int D){
CHECK_SOUND();
void (*DrawTile)(uint32,uint32,uint32,uint32)=NULL;
void (*DrawClippedTile)(uint32,uint32,uint32,uint32,uint32,uint32)=NULL;
int PixWidth = IPPU.DoubleWidthPixels?2:1;
GFX.Z1=2;
BG.InterlaceLine = GFX.InterlaceFrame?8:0;
for(uint32 Y=GFX.StartY, Offset=Y*GFX.PPL; Y<=GFX.EndY; Y++, Offset+=GFX.PPL){
int I = 0;
int tiles=GFX.OBJLines[Y].Tiles;
for (int S = GFX.OBJLines[Y].OBJ[I].Sprite; S >= 0 && I<32; S = GFX.OBJLines[Y].OBJ[++I].Sprite)
{
tiles+=GFX.OBJVisibleTiles[S];
if(tiles<=0){
continue;
}
int BaseTile = (((GFX.OBJLines[Y].OBJ[I].Line<<1) + (PPU.OBJ[S].Name&0xf0))&0xf0) | (PPU.OBJ[S].Name&0x100) | (PPU.OBJ[S].Palette << 10);
int TileX = PPU.OBJ[S].Name&0x0f;
int TileLine = (GFX.OBJLines[Y].OBJ[I].Line&7)*8;
if(IPPU.InterlaceOBJ) TileLine>>=1;
int TileInc = 1;
if (PPU.OBJ[S].HFlip)
{
TileX = (TileX + (GFX.OBJWidths[S] >> 3) - 1) & 0x0f;
BaseTile |= H_FLIP;
TileInc = -1;
}
GFX.Z2 = D+PPU.OBJ[S].Priority*4;
int DrawMode=3;
int clip=0, next_clip=-1000;
int X=PPU.OBJ[S].HPos; if(X==-256) X=256;
for(int t=tiles, O=Offset+X*PixWidth; X<=256 && X<PPU.OBJ[S].HPos+GFX.OBJWidths[S]; TileX=(TileX+TileInc)&0x0f, X+=8, O+=8*PixWidth){
if(X<-7 || --t<0 || X==256) continue;
for(int x=X; x<X+8;){
if(x>=next_clip){
for(; clip<GFX.Clip[4].Count && GFX.Clip[4].Left[clip]<=x; clip++);
if(clip==0 || x>=GFX.Clip[4].Right[clip-1]){
DrawMode=0;
next_clip=((clip<GFX.Clip[4].Count)?GFX.Clip[4].Left[clip]:1000);
} else {
DrawMode=GFX.Clip[4].DrawMode[clip-1];
next_clip=GFX.Clip[4].Right[clip-1];
GFX.ClipColors=!(DrawMode&1);
if(BG.EnableMath && (PPU.OBJ[S].Palette&4) && (DrawMode&2)){
DrawTile=GFX.DrawTileMath;
DrawClippedTile=GFX.DrawClippedTileMath;
} else {
DrawTile=GFX.DrawTileNomath;
DrawClippedTile=GFX.DrawClippedTileNomath;
}
}
}
if(x==X && x+8<next_clip){
if(DrawMode) DrawTile(BaseTile|TileX, O, TileLine, 1);
x+=8;
} else {
int w=(next_clip<=X+8)?next_clip-x:X+8-x;
if(DrawMode) DrawClippedTile(BaseTile|TileX, O, x-X, w, TileLine, 1);
x+=w;
}
}
}
}
}
}
#define TILE_PLUS(t, x) (((t)&0xfc00)|((t+x)&0x3ff))
static void DrawBackground(int bg, uint8 Zh, uint8 Zl){
CHECK_SOUND();
BG.TileAddress = PPU.BG[bg].NameBase<<1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
SC0=(uint16*)&Memory.VRAM[PPU.BG[bg].SCBase<<1];
SC1=(PPU.BG[bg].SCSize&1)?SC0+1024:SC0;
if(SC1>=(uint16*)(Memory.VRAM+0x10000)) SC1-=0x8000;
SC2=(PPU.BG[bg].SCSize&2)?SC1+1024:SC0;
if(SC2>=(uint16*)(Memory.VRAM+0x10000)) SC2-=0x8000;
SC3=(PPU.BG[bg].SCSize&1)?SC2+1024:SC2;
if(SC3>=(uint16*)(Memory.VRAM+0x10000)) SC3-=0x8000;
uint32 Lines;
int OffsetMask = (BG.TileSizeH==16)?0x3ff:0x1ff;
int OffsetShift = (BG.TileSizeV==16)?4:3;
int PixWidth = IPPU.DoubleWidthPixels?2:1;
void (*DrawTile)(uint32,uint32,uint32,uint32);
void (*DrawClippedTile)(uint32,uint32,uint32,uint32,uint32,uint32);
for(int clip=0; clip<GFX.Clip[bg].Count; clip++){
GFX.ClipColors=!(GFX.Clip[bg].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[bg].DrawMode[clip]&2)){
DrawTile=GFX.DrawTileMath;
DrawClippedTile=GFX.DrawClippedTileMath;
} else {
DrawTile=GFX.DrawTileNomath;
DrawClippedTile=GFX.DrawClippedTileNomath;
}
for(uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines) {
uint32 Y2 = IPPU.Interlace?Y*2+GFX.InterlaceFrame:Y;
uint32 VOffset = LineData[Y].BG[bg].VOffset+(IPPU.Interlace?1:0);
uint32 HOffset = LineData[Y].BG[bg].HOffset;
int VirtAlign = ((Y2 + VOffset)&7)>>(IPPU.Interlace?1:0);
for(Lines=1; Lines<GFX.LinesPerTile-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-Y+1;
VirtAlign<<=3;
uint32 TilemapRow = (VOffset+Y2)>>OffsetShift;
BG.InterlaceLine = ((VOffset+Y2)&1)<<3;
uint32 t1, t2;
if(((VOffset+Y2)&8)){
t1=16; t2=0;
} else {
t1=0; t2=16;
}
uint16 *b1;
uint16 *b2;
if(TilemapRow&0x20) {
b1=SC2; b2=SC3;
} else {
b1=SC0; b2=SC1;
}
b1+=(TilemapRow&0x1f)<<5;
b2+=(TilemapRow&0x1f)<<5;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left*PixWidth+Y*GFX.PPL;
uint32 HPos = (HOffset+Left)&OffsetMask;
uint32 HTile = HPos>>3;
uint16 *t;
if(BG.TileSizeH==8){
if(HTile>31)
t=b2+(HTile&0x1f);
else
t=b1+HTile;
} else {
if(HTile>63)
t=b2+((HTile>>1)&0x1f);
else
t=b1+(HTile>>1);
}
uint32 Width = Right-Left;
if(HPos&7) {
uint32 l=HPos&7;
uint32 w=8-l;
if(w>Width) w=Width;
Offset-=l*PixWidth;
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawClippedTile(Tile, Offset, l, w, VirtAlign, Lines);
t++;
if(HTile==31) t=b2;
else if(HTile==63) t=b1;
} else {
if(!(Tile&H_FLIP)){
DrawClippedTile(TILE_PLUS(Tile, (HTile&1)), Offset, l, w, VirtAlign, Lines);
} else {
DrawClippedTile(TILE_PLUS(Tile, 1-(HTile&1)), Offset, l, w, VirtAlign, Lines);
}
t+=HTile&1;
if(HTile==63) t=b2;
else if(HTile==127) t=b1;
}
HTile++;
Offset+=8*PixWidth;
Width-=w;
}
while(Width>=8){
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawTile(Tile, Offset, VirtAlign, Lines);
t++;
if(HTile==31) t=b2;
else if(HTile==63) t=b1;
} else {
if(!(Tile&H_FLIP)){
DrawTile(TILE_PLUS(Tile, (HTile&1)), Offset, VirtAlign, Lines);
} else {
DrawTile(TILE_PLUS(Tile, 1-(HTile&1)), Offset, VirtAlign, Lines);
}
t+=HTile&1;
if(HTile==63) t=b2;
else if(HTile==127) t=b1;
}
HTile++;
Offset+=8*PixWidth;
Width-=8;
}
if(Width){
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawClippedTile(Tile, Offset, 0, Width, VirtAlign, Lines);
} else {
if(!(Tile&H_FLIP)){
DrawClippedTile(TILE_PLUS(Tile, (HTile&1)), Offset, 0, Width, VirtAlign, Lines);
} else {
DrawClippedTile(TILE_PLUS(Tile, 1-(HTile&1)), Offset, 0, Width, VirtAlign, Lines);
}
}
}
}
}
}
static void DrawBackgroundMosaic(int bg, uint8 Zh, uint8 Zl){
CHECK_SOUND();
BG.TileAddress = PPU.BG[bg].NameBase<<1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
SC0=(uint16*)&Memory.VRAM[PPU.BG[bg].SCBase<<1];
SC1=(PPU.BG[bg].SCSize&1)?SC0+1024:SC0;
if(SC1>=(uint16*)(Memory.VRAM+0x10000)) SC1-=0x8000;
SC2=(PPU.BG[bg].SCSize&2)?SC1+1024:SC0;
if(SC2>=(uint16*)(Memory.VRAM+0x10000)) SC2-=0x8000;
SC3=(PPU.BG[bg].SCSize&1)?SC2+1024:SC2;
if(SC3>=(uint16*)(Memory.VRAM+0x10000)) SC3-=0x8000;
int Lines;
int OffsetMask = (BG.TileSizeH==16)?0x3ff:0x1ff;
int OffsetShift = (BG.TileSizeV==16)?4:3;
int PixWidth = IPPU.DoubleWidthPixels?2:1;
void (*DrawPix)(uint32,uint32,uint32,uint32,uint32,uint32);
int MosaicStart = ((uint32)GFX.StartY-PPU.MosaicStart)%PPU.Mosaic;
for(int clip=0; clip<GFX.Clip[bg].Count; clip++){
GFX.ClipColors=!(GFX.Clip[bg].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[bg].DrawMode[clip]&2)){
DrawPix=GFX.DrawMosaicPixelMath;
} else {
DrawPix=GFX.DrawMosaicPixelNomath;
}
for(uint32 Y = GFX.StartY-MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic) {
uint32 Y2 = IPPU.Interlace?Y*2:Y;
uint32 VOffset = LineData[Y].BG[bg].VOffset+(IPPU.Interlace?1:0);
uint32 HOffset = LineData[Y].BG[bg].HOffset;
Lines=PPU.Mosaic-MosaicStart;
if(Y+MosaicStart+Lines>GFX.EndY) Lines=GFX.EndY-Y-MosaicStart+1;
int VirtAlign = (((Y2 + VOffset)&7)>>(IPPU.Interlace?1:0))<<3;
uint32 TilemapRow = (VOffset+Y2)>>OffsetShift;
BG.InterlaceLine = ((VOffset+Y2)&1)<<3;
uint32 t1, t2;
if(((VOffset+Y2)&8)){
t1=16; t2=0;
} else {
t1=0; t2=16;
}
uint16 *b1;
uint16 *b2;
if(TilemapRow&0x20) {
b1=SC2; b2=SC3;
} else {
b1=SC0; b2=SC1;
}
b1+=(TilemapRow&0x1f)<<5;
b2+=(TilemapRow&0x1f)<<5;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left*PixWidth+(Y+MosaicStart)*GFX.PPL;
uint32 HPos = (HOffset+Left-(Left%PPU.Mosaic))&OffsetMask;
uint32 HTile = HPos>>3;
uint16 *t;
if(BG.TileSizeH==8){
if(HTile>31)
t=b2+(HTile&0x1f);
else
t=b1+HTile;
} else {
if(HTile>63)
t=b2+((HTile>>1)&0x1f);
else
t=b1+(HTile>>1);
}
uint32 Width = Right-Left;
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
HPos&=7;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
while(Left<Right){
uint32 w=PPU.Mosaic-(Left%PPU.Mosaic);
if(w>Width) w=Width;
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawPix(Tile, Offset, VirtAlign, HPos&7, w, Lines);
} else {
if(!(Tile&H_FLIP)){
DrawPix(TILE_PLUS(Tile, (HTile&1)), Offset, VirtAlign, HPos&7, w, Lines);
} else {
DrawPix(TILE_PLUS(Tile, 1-(HTile&1)), Offset, VirtAlign, HPos&7, w, Lines);
}
}
HPos+=PPU.Mosaic;
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
while(HPos>=8){
HPos-=8;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
if(BG.TileSizeH==8){
t++;
if(HTile==31) t=b2;
else if(HTile==63) t=b1;
} else {
t+=HTile&1;
if(HTile==63) t=b2;
else if(HTile==127) t=b1;
}
HTile++;
}
Offset+=w*PixWidth;
Width-=w;
Left+=w;
}
MosaicStart=0;
}
}
}
static void DrawBackgroundOffset(int bg, uint8 Zh, uint8 Zl, int VOffOff){
CHECK_SOUND();
BG.TileAddress = PPU.BG[bg].NameBase<<1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
BPS0=(uint16*)&Memory.VRAM[PPU.BG[2].SCBase<<1];
BPS1=(PPU.BG[2].SCSize&1)?BPS0+1024:BPS0;
if(BPS1>=(uint16*)(Memory.VRAM+0x10000)) BPS1-=0x8000;
BPS2=(PPU.BG[2].SCSize&2)?BPS1+1024:BPS0;
if(BPS2>=(uint16*)(Memory.VRAM+0x10000)) BPS2-=0x8000;
BPS3=(PPU.BG[2].SCSize&1)?BPS2+1024:BPS2;
if(BPS3>=(uint16*)(Memory.VRAM+0x10000)) BPS3-=0x8000;
SC0=(uint16*)&Memory.VRAM[PPU.BG[bg].SCBase<<1];
SC1=(PPU.BG[bg].SCSize&1)?SC0+1024:SC0;
if(SC1>=(uint16*)(Memory.VRAM+0x10000)) SC1-=0x8000;
SC2=(PPU.BG[bg].SCSize&2)?SC1+1024:SC0;
if(SC2>=(uint16*)(Memory.VRAM+0x10000)) SC2-=0x8000;
SC3=(PPU.BG[bg].SCSize&1)?SC2+1024:SC2;
if(SC3>=(uint16*)(Memory.VRAM+0x10000)) SC3-=0x8000;
int OffsetMask = (BG.TileSizeH==16)?0x3ff:0x1ff;
int OffsetShift = (BG.TileSizeV==16)?4:3;
int Offset2Mask = (BG.OffsetSizeH==16)?0x3ff:0x1ff;
int Offset2Shift = (BG.OffsetSizeV==16)?4:3;
int OffsetEnableMask = 0x2000<<bg;
int PixWidth = IPPU.DoubleWidthPixels?2:1;
void (*DrawTile)(uint32,uint32,uint32,uint32);
void (*DrawClippedTile)(uint32,uint32,uint32,uint32,uint32,uint32);
for(int clip=0; clip<GFX.Clip[bg].Count; clip++){
GFX.ClipColors=!(GFX.Clip[bg].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[bg].DrawMode[clip]&2)){
DrawTile=GFX.DrawTileMath;
DrawClippedTile=GFX.DrawClippedTileMath;
} else {
DrawTile=GFX.DrawTileNomath;
DrawClippedTile=GFX.DrawClippedTileNomath;
}
for(uint32 Y = GFX.StartY; Y <= GFX.EndY; Y++) {
uint32 Y2 = IPPU.Interlace?Y*2+GFX.InterlaceFrame:Y;
uint32 VOff = LineData[Y].BG[2].VOffset - 1;
uint32 HOff = LineData[Y].BG[2].HOffset;
uint32 HOffsetRow = VOff>>Offset2Shift;
uint32 VOffsetRow = (VOff+VOffOff)>>Offset2Shift;
uint16 *s, *s1, *s2;
if(HOffsetRow&0x20){
s1=BPS2; s2=BPS3;
} else {
s1=BPS0; s2=BPS1;
}
s1+=(HOffsetRow&0x1f)<<5;
s2+=(HOffsetRow&0x1f)<<5;
s=((VOffsetRow&0x20)?BPS2:BPS0)+((VOffsetRow&0x1f)<<5);
int32 VOffsetOffset = s-s1;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left*PixWidth+Y*GFX.PPL;
uint32 LineHOffset = LineData[Y].BG[bg].HOffset;
bool8 left_edge = (Left<(8-(LineHOffset&7)));
uint32 Width = Right-Left;
while(Left<Right){
uint32 VOffset, HOffset;
if(left_edge){
// SNES cannot do OPT for leftmost tile column
VOffset = LineData[Y].BG[bg].VOffset;
HOffset = LineHOffset;
left_edge = FALSE;
} else {
int HOffTile = ((HOff+Left-1)&Offset2Mask)>>3;
if(BG.OffsetSizeH==8){
if(HOffTile>31)
s=s2+(HOffTile&0x1f);
else
s=s1+HOffTile;
} else {
if(HOffTile>63)
s=s2+((HOffTile>>1)&0x1f);
else
s=s1+(HOffTile>>1);
}
uint16 HCellOffset = READ_WORD(s);
uint16 VCellOffset;
if(VOffOff){
VCellOffset = READ_WORD(s+VOffsetOffset);
} else {
if(HCellOffset&0x8000){
VCellOffset=HCellOffset;
HCellOffset=0;
} else {
VCellOffset=0;
}
}
if(VCellOffset&OffsetEnableMask){
VOffset=VCellOffset+1;
} else {
VOffset=LineData[Y].BG[bg].VOffset;
}
if(HCellOffset&OffsetEnableMask){
HOffset=(HCellOffset&~7)|(LineHOffset&7);
} else {
HOffset=LineHOffset;
}
}
if(IPPU.Interlace) VOffset++;
int VirtAlign = (((Y2+VOffset)&7)>>(IPPU.Interlace?1:0))<<3;
int TilemapRow=(VOffset+Y2)>>OffsetShift;
BG.InterlaceLine = ((VOffset+Y2)&1)<<3;
uint32 t1, t2;
if(((VOffset+Y2)&8)){
t1=16; t2=0;
} else {
t1=0; t2=16;
}
uint16 *b1, *b2;
if(TilemapRow&0x20) {
b1=SC2; b2=SC3;
} else {
b1=SC0; b2=SC1;
}
b1+=(TilemapRow&0x1f)<<5;
b2+=(TilemapRow&0x1f)<<5;
uint32 HPos = (HOffset+Left)&OffsetMask;
uint32 HTile = HPos>>3;
uint16 *t;
if(BG.TileSizeH==8){
if(HTile>31)
t=b2+(HTile&0x1f);
else
t=b1+HTile;
} else {
if(HTile>63)
t=b2+((HTile>>1)&0x1f);
else
t=b1+(HTile>>1);
}
uint32 l=HPos&7;
uint32 w=8-l;
if(w>Width) w=Width;
Offset-=l*PixWidth;
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawClippedTile(Tile, Offset, l, w, VirtAlign, 1);
} else {
if(!(Tile&H_FLIP)){
DrawClippedTile(TILE_PLUS(Tile, (HTile&1)), Offset, l, w, VirtAlign, 1);
} else {
DrawClippedTile(TILE_PLUS(Tile, 1-(HTile&1)), Offset, l, w, VirtAlign, 1);
}
}
Left+=w;
Offset+=8*PixWidth;
Width-=w;
}
}
}
}
static void DrawBackgroundOffsetMosaic(int bg, uint8 Zh, uint8 Zl, int VOffOff){
CHECK_SOUND();
BG.TileAddress = PPU.BG[bg].NameBase<<1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
BPS0=(uint16*)&Memory.VRAM[PPU.BG[2].SCBase<<1];
BPS1=(PPU.BG[2].SCSize&1)?BPS0+1024:BPS0;
if(BPS1>=(uint16*)(Memory.VRAM+0x10000)) BPS1-=0x8000;
BPS2=(PPU.BG[2].SCSize&2)?BPS1+1024:BPS0;
if(BPS2>=(uint16*)(Memory.VRAM+0x10000)) BPS2-=0x8000;
BPS3=(PPU.BG[2].SCSize&1)?BPS2+1024:BPS2;
if(BPS3>=(uint16*)(Memory.VRAM+0x10000)) BPS3-=0x8000;
SC0=(uint16*)&Memory.VRAM[PPU.BG[bg].SCBase<<1];
SC1=(PPU.BG[bg].SCSize&1)?SC0+1024:SC0;
if(SC1>=(uint16*)(Memory.VRAM+0x10000)) SC1-=0x8000;
SC2=(PPU.BG[bg].SCSize&2)?SC1+1024:SC0;
if(SC2>=(uint16*)(Memory.VRAM+0x10000)) SC2-=0x8000;
SC3=(PPU.BG[bg].SCSize&1)?SC2+1024:SC2;
if(SC3>=(uint16*)(Memory.VRAM+0x10000)) SC3-=0x8000;
int Lines;
int OffsetMask = (BG.TileSizeH==16)?0x3ff:0x1ff;
int OffsetShift = (BG.TileSizeV==16)?4:3;
int Offset2Mask = (BG.OffsetSizeH==16)?0x3ff:0x1ff;
int Offset2Shift = (BG.OffsetSizeV==16)?4:3;
int OffsetEnableMask = 0x2000<<bg;
int PixWidth = IPPU.DoubleWidthPixels?2:1;
void (*DrawPix)(uint32,uint32,uint32,uint32,uint32,uint32);
int MosaicStart = ((uint32)GFX.StartY-PPU.MosaicStart)%PPU.Mosaic;
for(int clip=0; clip<GFX.Clip[bg].Count; clip++){
GFX.ClipColors=!(GFX.Clip[bg].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[bg].DrawMode[clip]&2)){
DrawPix=GFX.DrawMosaicPixelMath;
} else {
DrawPix=GFX.DrawMosaicPixelNomath;
}
for(uint32 Y = GFX.StartY-MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic) {
uint32 Y2 = IPPU.Interlace?Y*2:Y;
Lines=PPU.Mosaic-MosaicStart;
if(Y+MosaicStart+Lines>GFX.EndY) Lines=GFX.EndY-Y-MosaicStart+1;
uint32 VOff = LineData[Y].BG[2].VOffset - 1;
uint32 HOff = LineData[Y].BG[2].HOffset;
uint32 HOffsetRow = VOff>>Offset2Shift;
uint32 VOffsetRow = (VOff+VOffOff)>>Offset2Shift;
uint16 *s, *s1, *s2;
if(HOffsetRow&0x20){
s1=BPS2; s2=BPS3;
} else {
s1=BPS0; s2=BPS1;
}
s1+=(HOffsetRow&0x1f)<<5;
s2+=(HOffsetRow&0x1f)<<5;
s=((VOffsetRow&0x20)?BPS2:BPS0)+((VOffsetRow&0x1f)<<5);
int32 VOffsetOffset = s-s1;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left*PixWidth+(Y+MosaicStart)*GFX.PPL;
uint32 LineHOffset = LineData[Y].BG[bg].HOffset;
bool8 left_edge = (Left<(8-(LineHOffset&7)));
uint32 Width = Right-Left;
while(Left<Right){
uint32 VOffset, HOffset;
if(left_edge){
// SNES cannot do OPT for leftmost tile column
VOffset = LineData[Y].BG[bg].VOffset;
HOffset = LineHOffset;
left_edge = FALSE;
} else {
int HOffTile = ((HOff+Left-1)&Offset2Mask)>>3;
if(BG.OffsetSizeH==8){
if(HOffTile>31)
s=s2+(HOffTile&0x1f);
else
s=s1+HOffTile;
} else {
if(HOffTile>63)
s=s2+((HOffTile>>1)&0x1f);
else
s=s1+(HOffTile>>1);
}
uint16 HCellOffset = READ_WORD(s);
uint16 VCellOffset;
if(VOffOff){
VCellOffset = READ_WORD(s+VOffsetOffset);
} else {
if(HCellOffset&0x8000){
VCellOffset=HCellOffset;
HCellOffset=0;
} else {
VCellOffset=0;
}
}
if(VCellOffset&OffsetEnableMask){
VOffset=VCellOffset+1;
} else {
VOffset=LineData[Y].BG[bg].VOffset;
}
if(HCellOffset&OffsetEnableMask){
HOffset=(HCellOffset&~7)|(LineHOffset&7);
} else {
HOffset=LineHOffset;
}
}
if(IPPU.Interlace) VOffset++;
int VirtAlign = (((Y2+VOffset)&7)>>(IPPU.Interlace?1:0))<<3;
int TilemapRow=(VOffset+Y2)>>OffsetShift;
BG.InterlaceLine = ((VOffset+Y2)&1)<<3;
uint32 t1, t2;
if(((VOffset+Y2)&8)){
t1=16; t2=0;
} else {
t1=0; t2=16;
}
uint16 *b1, *b2;
if(TilemapRow&0x20) {
b1=SC2; b2=SC3;
} else {
b1=SC0; b2=SC1;
}
b1+=(TilemapRow&0x1f)<<5;
b2+=(TilemapRow&0x1f)<<5;
uint32 HPos = (HOffset+Left-(Left%PPU.Mosaic))&OffsetMask;
uint32 HTile = HPos>>3;
uint16 *t;
if(BG.TileSizeH==8){
if(HTile>31)
t=b2+(HTile&0x1f);
else
t=b1+HTile;
} else {
if(HTile>63)
t=b2+((HTile>>1)&0x1f);
else
t=b1+(HTile>>1);
}
uint32 w=PPU.Mosaic-(Left%PPU.Mosaic);
if(w>Width) w=Width;
Tile=READ_WORD(t);
GFX.Z1=GFX.Z2=(Tile&0x2000)?Zh:Zl;
if(BG.TileSizeV==16)
Tile=TILE_PLUS(Tile, ((Tile&V_FLIP)?t2:t1));
if(BG.TileSizeH==8){
DrawPix(Tile, Offset, VirtAlign, HPos&7, w, Lines);
} else {
if(!(Tile&H_FLIP)){
DrawPix(TILE_PLUS(Tile, (HTile&1)), Offset, VirtAlign, HPos&7, w, Lines);
} else if(!(Tile&V_FLIP)){
DrawPix(TILE_PLUS(Tile, 1-(HTile&1)), Offset, VirtAlign, HPos&7, w, Lines);
}
}
Left+=w;
Offset+=w*PixWidth;
Width-=w;
}
MosaicStart=0;
}
}
}
static inline void DrawBackgroundMode7(int bg, void (*DrawMath)(uint32,uint32,int), void (*DrawNomath)(uint32,uint32,int), int D){
CHECK_SOUND();
for(int clip=0; clip<GFX.Clip[bg].Count; clip++){
GFX.ClipColors=!(GFX.Clip[bg].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[bg].DrawMode[clip]&2)){
DrawMath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
} else {
DrawNomath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
}
}
}
static inline void DrawBackdrop(void){
CHECK_SOUND();
uint32 Offset=GFX.StartY*GFX.PPL;
for(int clip=0; clip<GFX.Clip[5].Count; clip++){
GFX.ClipColors=!(GFX.Clip[5].DrawMode[clip]&1);
if(BG.EnableMath && (GFX.Clip[5].DrawMode[clip]&2)){
GFX.DrawBackdropMath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
} else {
GFX.DrawBackdropNomath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
}
}
}
static inline void RenderScreen(bool8 sub){
uint8 BGActive;
int D;
if (!sub) {
GFX.S = GFX.Screen;
GFX.DB = GFX.ZBuffer;
GFX.Clip = IPPU.Clip[0];
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BGActive=Memory.FillRAM[0x212c] & ~Settings.BG_Forced;
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if(GFX.DoInterlace && GFX.InterlaceFrame) GFX.S+=GFX.RealPPL;
D=32;
} else {
GFX.S = GFX.SubScreen;
GFX.DB = GFX.SubZBuffer;
GFX.Clip = IPPU.Clip[1];
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BGActive=Memory.FillRAM[0x212d] & ~Settings.BG_Forced;
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D=(Memory.FillRAM[0x2130]&2)<<4; // 'do math' depth flag
}
if(BGActive&0x10){
BG.TileAddress = PPU.OBJNameBase;
BG.NameSelect = PPU.OBJNameSelect;
BG.EnableMath = !sub && (Memory.FillRAM[0x2131]&0x10);
BG.StartPalette = 128;
S9xSelectTileConverter(4, FALSE, sub, FALSE);
S9xSelectTileRenderers(PPU.BGMode, sub, TRUE);
DrawOBJS(D+4);
}
BG.NameSelect = 0;
S9xSelectTileRenderers(PPU.BGMode, sub, FALSE);
#define DO_BG(n, pal, depth, hires, offset, Zh, Zl, voffoff) \
if(BGActive&(0x01<<n)){ \
BG.StartPalette = pal; \
BG.EnableMath = !sub && (Memory.FillRAM[0x2131]&(1<<n)); \
BG.TileSizeH = (!hires && PPU.BG[n].BGSize)?16:8; \
BG.TileSizeV = (PPU.BG[n].BGSize)?16:8; \
S9xSelectTileConverter(depth, hires, sub, PPU.BGMosaic[n]); \
if(offset){ \
BG.OffsetSizeH = (!hires && PPU.BG[2].BGSize)?16:8; \
BG.OffsetSizeV = (PPU.BG[2].BGSize)?16:8; \
if(PPU.BGMosaic[n] && (hires || PPU.Mosaic>1)) \
DrawBackgroundOffsetMosaic(n, D+Zh, D+Zl, voffoff); \
else \
DrawBackgroundOffset(n, D+Zh, D+Zl, voffoff); \
} else { \
if(PPU.BGMosaic[n] && (hires || PPU.Mosaic>1)) \
DrawBackgroundMosaic(n, D+Zh, D+Zl); \
else \
DrawBackground(n, D+Zh, D+Zl); \
} \
}
switch(PPU.BGMode){
case 0:
DO_BG(0, 0, 2, FALSE, FALSE, 15, 11, 0);
DO_BG(1, 32, 2, FALSE, FALSE, 14, 10, 0);
DO_BG(2, 64, 2, FALSE, FALSE, 7, 3, 0);
DO_BG(3, 96, 2, FALSE, FALSE, 6, 2, 0);
break;
case 1:
DO_BG(0, 0, 4, FALSE, FALSE, 15, 11, 0);
DO_BG(1, 0, 4, FALSE, FALSE, 14, 10, 0);
DO_BG(2, 0, 2, FALSE, FALSE, (PPU.BG3Priority?17:7), 3, 0);
break;
case 2:
DO_BG(0, 0, 4, FALSE, TRUE, 15, 7, 8);
DO_BG(1, 0, 4, FALSE, TRUE, 11, 3, 8);
break;
case 3:
DO_BG(0, 0, 8, FALSE, FALSE, 15, 7, 0);
DO_BG(1, 0, 4, FALSE, FALSE, 11, 3, 0);
break;
case 4:
DO_BG(0, 0, 8, FALSE, TRUE, 15, 7, 0);
DO_BG(1, 0, 2, FALSE, TRUE, 11, 3, 0);
break;
case 5:
DO_BG(0, 0, 4, TRUE, FALSE, 15, 7, 0);
DO_BG(1, 0, 2, TRUE, FALSE, 11, 3, 0);
break;
case 6:
DO_BG(0, 0, 4, TRUE, TRUE, 15, 7, 8);
break;
case 7:
if(BGActive&0x01){
BG.EnableMath = !sub && (Memory.FillRAM[0x2131]&1);
DrawBackgroundMode7(0, GFX.DrawMode7BG1Math, GFX.DrawMode7BG1Nomath,D);
}
if((Memory.FillRAM[0x2133]&0x40) && (BGActive&0x02)){
BG.EnableMath = !sub && (Memory.FillRAM[0x2131]&2);
DrawBackgroundMode7(1, GFX.DrawMode7BG2Math, GFX.DrawMode7BG2Nomath,D);
}
break;
}
#undef DO_BG
BG.EnableMath = !sub && (Memory.FillRAM[0x2131]&0x20);
DrawBackdrop();
}
void S9xUpdateScreen() {
if(IPPU.OBJChanged) S9xSetupOBJ();
// XXX: Check ForceBlank? Or anything else?
PPU.RangeTimeOver |= GFX.OBJLines[GFX.EndY].RTOFlags;
GFX.StartY = IPPU.PreviousLine;
if ((GFX.EndY = IPPU.CurrentLine - 1) >= PPU.ScreenHeight)
GFX.EndY = PPU.ScreenHeight - 1;
if(!PPU.ForcedBlanking){
/* If force blank, may as well completely skip all this. We only did
* the OBJ because (AFAWK) the RTO flags are updated even during
* force-blank */
if(PPU.RecomputeClipWindows) {
ComputeClipWindows();
PPU.RecomputeClipWindows=FALSE;
}
if (Settings.SupportHiRes){
if(!IPPU.DoubleWidthPixels && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires || IPPU.Interlace || IPPU.InterlaceOBJ)){
#if defined (USE_GLIDE) || defined (USE_OPENGL)
if (
#ifdef USE_GLIDE
(Settings.GlideEnable && GFX.RealPPL == 256) ||
#endif
#ifdef USE_OPENGL
(Settings.OpenGLEnable && GFX.RealPPL == 256) ||
#endif
0)
{
// Have to back out of the speed up hack where the low res.
// SNES image was rendered into a 256x239 sized buffer,
// ignoring the true, larger size of the buffer.
GFX.RealPPL = GFX.Pitch>>1;
for (register int32 y = (int32) GFX.StartY - 1; y >= 0; y--){
register uint16 *p = GFX.Screen + y * GFX.PPL + 255;
register uint16 *q = GFX.Screen + y * GFX.RealPPL + 510;
for (register int x = 255; x >= 0; x--, p--, q -= 2)
*q = *(q + 1) = *p;
}
GFX.PPL = GFX.RealPPL; // = GFX.Pitch>>1 above
} else
#endif
{
// Have to back out of the regular speed hack
for (register uint32 y = 0; y < GFX.StartY; y++)
{
register uint16 *p = GFX.Screen + y * GFX.PPL + 255;
register uint16 *q = GFX.Screen + y * GFX.PPL + 510;
for (register int x = 255; x >= 0; x--, p--, q -= 2)
*q = *(q + 1) = *p;
}
}
IPPU.DoubleWidthPixels = TRUE;
IPPU.RenderedScreenWidth = 512;
}
if(!IPPU.DoubleHeightPixels && (IPPU.Interlace || IPPU.InterlaceOBJ)){
IPPU.DoubleHeightPixels = TRUE;
GFX.PPL=GFX.RealPPL<<1;
IPPU.RenderedScreenHeight=PPU.ScreenHeight<<1;
GFX.DoInterlace=2;
for (register int32 y = (int32) GFX.StartY - 1; y >= 0; y--){
memmove (GFX.Screen + y * GFX.PPL,
GFX.Screen + y * GFX.RealPPL,
IPPU.RenderedScreenWidth*sizeof(uint16));
}
}
}
if((Memory.FillRAM[0x2130]&0x30)!=0x30 && (Memory.FillRAM[0x2131]&0x3f))
GFX.FixedColour = BUILD_PIXEL(IPPU.XB[PPU.FixedColourRed],
IPPU.XB[PPU.FixedColourGreen],
IPPU.XB[PPU.FixedColourBlue]);
if(PPU.BGMode==5 || PPU.BGMode==6 || IPPU.PseudoHires ||
((Memory.FillRAM[0x2130]&0x30)!=0x30 && (Memory.FillRAM[0x2130]&2) &&
(Memory.FillRAM[0x2131]&0x3f) && (Memory.FillRAM[0x212d]&0x1f))){
/* If hires (Mode 5/6 or pseudo-hires) or math is to be done
* involving the subscreen, then we need to render the subscreen...
*/
RenderScreen(TRUE);
}
RenderScreen(FALSE);
} else {
GFX.S = GFX.Screen+GFX.StartY*GFX.PPL;
if(GFX.DoInterlace && GFX.InterlaceFrame) GFX.S+=GFX.RealPPL;
uint16 black=BUILD_PIXEL(0,0,0);
for(uint32 l=GFX.StartY; l<=GFX.EndY; l++, GFX.S+=GFX.PPL){
for(int x=0; x<IPPU.RenderedScreenWidth; x++){
GFX.S[x]=black;
}
}
}
IPPU.PreviousLine = IPPU.CurrentLine;
}
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extern bool unfreezing_from_stream;
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void S9xSetInfoString (const char *string)
{
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if(Settings.InitialInfoStringTimeout > 0)
{
GFX.InfoString = string;
GFX.InfoStringTimeout = Settings.InitialInfoStringTimeout;
if (Settings.Paused && !unfreezing_from_stream)
{
//refresh screen to show new message immediately
S9xReRefresh();
}
}
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}
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static inline void FontPixToScreen(char p, uint16 *s)
{
if(p == '#')
{
*s = Settings.DisplayColor;
}
else if(p == '.')
{
static const uint16 black = BUILD_PIXEL(0,0,0);
*s = black;
}
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
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void DisplayChar(uint16 *s, uint8 c) {
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int line = ((c - 32) >> 4) * display_fontheight;
int offset = ((c - 32) & 15) * display_fontwidth;
int h, w;
if(!display_paramsinited) display_ppl = Settings.OpenGLEnable ? IPPU.RenderedScreenWidth : GFX.RealPPL;
if(display_hfontaccessscale == 1 && display_vfontaccessscale == 1) {
for(h=0; h<display_fontheight; h++, line++, s+=display_ppl-display_fontwidth)
for(w=0; w<display_fontwidth; w++, s++)
FontPixToScreen(font [(line)] [(offset + w)], s);
} else {
for(h=0; h<display_fontheight; h++, line++, s+=display_ppl-display_fontwidth)
for(w=0; w<display_fontwidth; w++, s++)
FontPixToScreen(font [(line)/display_vfontaccessscale] [(offset + w)/display_hfontaccessscale], s);
}
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}
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static void S9xDisplayFrameRate ()
{
char string[10];
#ifdef DEBUGGER
int len = 8;
sprintf(string, "%02d/%02d %02d", (int)IPPU.DisplayedRenderedFrameCount, (int)Memory.ROMFramesPerSecond, (int)IPPU.FrameCount);
#else
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int len = 5;
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sprintf(string, "%02d/%02d", (int)IPPU.DisplayedRenderedFrameCount, (int)Memory.ROMFramesPerSecond);
#endif
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DisplayString(string, 1, 1+display_width-display_fontheight*len, false);
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}
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static void S9xDisplayString (const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap)
{
if(linesFromBottom <= 0)
linesFromBottom = 1;
uint16 *Screen = display_screen // text draw position, starting on the screen
+ pixelsFromLeft // with this much horizontal offset
// * (Settings.SixteenBit ? 2 : 1)
+ (display_height - display_fontheight * linesFromBottom) // and this much vertical offset
* display_ppl;
int len = strlen(string);
int max_chars = display_width / (display_fontwidth-display_hfontaccessscale);
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int char_count = 0;
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int prev_hfont_access_scale = display_hfontaccessscale;
// squash if it won't fit on 1 line and we're drawing greater than 1x scale and we're not allowing wrapping
while(len > max_chars && !allowWrap && display_hfontaccessscale > 1)
{
display_fontwidth /= display_hfontaccessscale;
display_hfontaccessscale--;
display_fontwidth *= display_hfontaccessscale;
max_chars = display_width / (display_fontwidth-display_hfontaccessscale);
}
// loop through and draw the characters
for(int i = 0 ; i < len ; i++, char_count++)
{
if(char_count >= max_chars || (unsigned char)string[i] < 32)
{
if(!allowWrap)
break;
Screen -= /*Settings.SixteenBit ? (display_fontwidth-display_hfontaccessscale)*sizeof(uint16)*max_chars :*/ (display_fontwidth-display_hfontaccessscale)*max_chars;
Screen += display_fontheight * display_ppl;
if(Screen >= display_screen + display_ppl * display_height)
break;
char_count -= max_chars;
}
if((unsigned char) string[i]<32) continue;
DisplayChar(Screen, string[i]);
Screen += /*Settings.SixteenBit ? (display_fontwidth-display_hfontaccessscale)*sizeof(uint16) :*/ (display_fontwidth-display_hfontaccessscale);
}
// revert temporary change to font scale, if any
if(display_hfontaccessscale != prev_hfont_access_scale)
{
display_hfontaccessscale = prev_hfont_access_scale;
display_fontwidth *= display_hfontaccessscale;
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}
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}
// input display
static void S9xDisplayPressedKeys ()
{
#ifndef NGC
uint16 MovieGetJoypad(int i);
bool MovieGetMouse(int i, uint8 out [5]);
bool MovieGetScope(int i, uint8 out [6]);
bool MovieGetJustifier(int i, uint8 out [11]);
#endif
enum controllers controller;
int8 ids[4];
int line = 1;
#ifndef NGC
const static char KeyMap[]= {'0','1','2','R','L','X','A','>','<','v','^','S','s','Y','B'};
const static int KeyOrder[]={8,10,7,9, 0, 6,14,13,5, 1, 4,3, 2, 11,12}; // < ^ > v A B Y X L R S s
#endif
char string[255];
int len;
S9xGetController(1, &controller, &ids[0],&ids[1],&ids[2],&ids[3]);
#ifndef NGC
bool singlePlayer = (controller == CTL_NONE || (controller == CTL_JOYPAD && !(MovieGetJoypad(1) & 0xffff)));
#else
bool singlePlayer = (controller == CTL_NONE || (controller == CTL_JOYPAD));
#endif
for(int port = 0; port < 2; port++)
{
S9xGetController(port, &controller, &ids[0],&ids[1],&ids[2],&ids[3]);
for(int idid = 0; idid < 4; idid++)
{
const int id = ids[idid];
if(id == -1)
continue;
bool skip = false;
switch(controller)
{
default: {
skip = true;
} break;
case CTL_MP5:
singlePlayer = false;
// no break:
case CTL_JOYPAD: {
if(line < id+1)
line = id+1;
#ifndef NGC
uint16 tempJoypad = MovieGetJoypad(id);
if(!(tempJoypad & 0xffff) && id > 0)
skip = true;
else
{
sprintf(string, !singlePlayer?"P%d: ":" ",id+1);
for (int i=0; i < 15; i++)
{
int j = KeyOrder[i];
int mask = (1 << (j+1));
string[strlen("P?: ")+i]= ((tempJoypad & mask)!=0) ? KeyMap[j] : ' ';
}
}
#endif
} break;
case CTL_MOUSE: {
#ifndef NGC
uint8 buf [5] = {0};
MovieGetMouse(id, buf);
int16 x = ((uint16*)buf)[0];
int16 y = ((uint16*)buf)[1];
uint8 buttons = buf[4];
//if(delta_x < 0) delta_x = 128|-delta_x;
//if(delta_y < 0) delta_y = 128|-delta_y;
sprintf(string, "(%4d,%4d) %c%c", x, y, (buttons&0x40)?'L':' ', (buttons&0x80)?'R':' ');
#endif
} break;
case CTL_SUPERSCOPE: {
#ifndef NGC
uint8 buf [6] = {0};
MovieGetScope(id, buf);
int16 x = ((uint16*)buf)[0];
int16 y = ((uint16*)buf)[1];
uint8 buttons = buf[4];
sprintf(string, "(%3d,%3d) %c%c%c%c", x, y, (buttons&0x80)?'F':' ', (buttons&0x40)?'C':' ', (buttons&0x20)?'T':' ', (buttons&0x10)?'P':' ');
#endif
} break;
case CTL_JUSTIFIER: {
#ifndef NGC
uint8 buf [11] = {0};
MovieGetJustifier(port, buf);
int16 x1 = ((uint16*)buf)[0];
int16 x2 = ((uint16*)buf)[1];
int16 y1 = ((uint16*)buf)[2];
int16 y2 = ((uint16*)buf)[3];
uint8 buttons = buf[8];
bool8 offscreen1 = buf[9];
bool8 offscreen2 = buf[10];
if(id == 1)
sprintf(string, "(%3d,%3d) %c%c%c / (%3d,%3d) %c%c%c", x1, y1, (buttons&0x80)?'T':' ', (buttons&0x20)?'S':' ', offscreen1?'O':' ', x2, y2, (buttons&0x40)?'T':' ', (buttons&0x10)?'S':' ', offscreen2?'O':' ');
else
sprintf(string, "(%3d,%3d) %c%c%c", x1, y1, (buttons&0x80)?'T':' ', (buttons&0x20)?'S':' ', offscreen1?'O':' ');
#endif
} break;
}
if(skip)
continue;
len=strlen(string);
DisplayString(string, line, 1, false);
line++;
}
}
}
void S9xDisplayMessages(uint16 *screen, int ppl, int width, int height, int scale)
{
display_screen = screen;
display_ppl = ppl;
display_width = width;
display_height = height;
display_fontwidth = font_width * scale;
display_fontheight = font_height * scale;
display_hfontaccessscale = scale;
display_vfontaccessscale = scale;
display_paramsinited = TRUE;
if (Settings.DisplayFrameRate)
S9xDisplayFrameRate();
if (Settings.DisplayPressedKeys==2)
S9xDisplayPressedKeys();
if (GFX.FrameDisplay
#ifndef NGC
&& S9xMovieActive()
#endif
#ifdef NETPLAY_SUPPORT
|| Settings.NetPlay
#endif
)
DisplayString(GFX.FrameDisplayString, 4, 1, false);
if (GFX.InfoString && *GFX.InfoString)
DisplayString(GFX.InfoString, 5, 1, !GFX.FrameDisplay
#ifndef NGC
|| (!S9xMovieActive()
#ifdef NETPLAY_SUPPORT
&& !Settings.NetPlay
#endif
)
#endif
);
#ifndef NGC
if (Settings.DisplayWatchedAddresses)
S9xDisplayWatchedAddresses();
#endif
display_paramsinited = FALSE;
display_fontwidth = font_width;
display_fontheight = font_height;
display_hfontaccessscale = 1;
display_vfontaccessscale = 1;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
#include "crosshairs.h"
static uint16 get_crosshair_color(uint8 color){
switch(color&15){
case 0: return BUILD_PIXEL(0,0,0); // transparent, shouldn't be used
case 1: return BUILD_PIXEL(0,0,0); // Black
case 2: return BUILD_PIXEL(8,8,8); // 25Grey
case 3: return BUILD_PIXEL(16,16,16); // 50Grey
case 4: return BUILD_PIXEL(23,23,23); // 75Grey
case 5: return BUILD_PIXEL(31,31,31); // White
case 6: return BUILD_PIXEL(31,0,0); // Red
case 7: return BUILD_PIXEL(31,16,0); // Orange
case 8: return BUILD_PIXEL(31,31,0); // Yellow
case 9: return BUILD_PIXEL(0,31,0); // Green
case 10: return BUILD_PIXEL(0,31,31); // Cyan
case 11: return BUILD_PIXEL(0,23,31); // Sky
case 12: return BUILD_PIXEL(0,0,31); // Blue
case 13: return BUILD_PIXEL(23,0,31); // Violet
upgrade to snes9x 1.51
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case 14: return BUILD_PIXEL(31,0,31); // Magenta
Original version off of which work began. Crunchy2's last release (2.0.1b8)
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case 15: return BUILD_PIXEL(31,0,16); // Purple
}
return 0; // stupid compiler warning
}
void S9xDrawCrosshair(const char *crosshair, uint8 fgcolor, uint8 bgcolor, int16 x, int16 y) {
int16 r, rx=1, c, cx=1, W, H, rws;
W=256; H=PPU.ScreenHeight;
x-=7; y-=7;
if(IPPU.DoubleWidthPixels){ cx=2; x*=2; W*=2; }
if(IPPU.DoubleHeightPixels){ rx=2; y*=2; H*=2; }
if(crosshair==NULL) return;
upgrade to snes9x 1.51
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if(GFX.Screen==NULL) return;
if(Settings.StopEmulation) return;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
uint16 fg, bg;
fg=get_crosshair_color(fgcolor);
bg=get_crosshair_color(bgcolor);
upgrade to snes9x 1.51
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#if (defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP)) // XXX: FIXME: why does it crash without this on Linux port? There are no out-of-bound writes without it...
if(x >= 0 && y >= 0)
#endif
{
uint16 *s = GFX.Screen + y * GFX.RealPPL + x;
rws = Settings.OpenGLEnable ? IPPU.RenderedScreenWidth : GFX.RealPPL;
for(r=0; r<15*rx; r++, s+=rws-15*cx) {
if(y+r<0){ s+=15*cx; continue; } // if y is negative, skip line
if(y+r>=H) break; // if y is past bottom, stop
for(c=0; c<15*cx; c++, s++) {
if(x+c<0 || s<GFX.Screen) continue; // if x is negative or s is invalid, skip pixel
if(x+c>=W){ s+=15*cx-c; break; } // if x is past right, go to next line
uint8 p = crosshair[(r/rx)*15+(c/cx)];
if(p == '#' && fgcolor) {
*s=(fgcolor&0x10)?COLOR_ADD1_2(fg,*s):fg;
} else if(p == '.' && bgcolor) {
*s=(bgcolor&0x10)?COLOR_ADD1_2(*s,bg):bg;
}
}
}
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
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}
#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)
#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);
bool8 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
upgrade to snes9x 1.51
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void (*S9xCustomDisplayString) (const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap) = NULL;
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