#include "crc32.h"
#include "ppu.h"
+#include "palette.h"
+#include "movie.h"
+
+#include "dprintf.h"
+
+#ifdef GP2X
+#include "drivers/gp2x/asmutils.h"
+#endif
+
#define Pal (PALRAM)
uint64 timestampbase=0;
+static int ppudead=1;
+static int kook=0;
+
int MMC5Hack;
uint32 MMC5HackVROMMask;
uint8 *MMC5HackExNTARAMPtr;
void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
void (*GameStateRestore)(int version);
-void (*GameHBIRQHook)(void);
+void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
readfunc ARead[0x10000];
writefunc BWrite[0x10000];
static writefunc *BWriteG;
static int RWWrap=0;
+#ifdef ASM_6502
+static void asmcpu_update(int32 cycles)
+{
+ // some code from x6502.c
+ fhcnt-=cycles;
+ if(fhcnt<=0)
+ {
+ FrameSoundUpdate();
+ fhcnt+=fhinc;
+ }
+
+ if(PCMIRQCount>0)
+ {
+ PCMIRQCount-=cycles;
+ if(PCMIRQCount<=0)
+ {
+ vdis=1;
+ if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
+ {
+ extern uint8 SIRQStat;
+ SIRQStat|=0x80;
+ X6502_IRQBegin(FCEU_IQDPCM);
+ }
+ }
+ }
+}
+
+void asmcpu_unpack(void)
+{
+ nes_registers[0] = X.A << 24;
+ nes_registers[1] = X.X;
+ nes_registers[2] = X.Y;
+ pc_base = 0;
+ nes_registers[3] = X.PC;
+ X6502_Rebase_a();
+ nes_registers[4] = X.S << 24;
+ nes_registers[4]|= X.IRQlow << 8;
+ nes_registers[7] = (uint32)X.count << 16;
+
+ // NVUB DIZC
+ nes_registers[4]|= X.P & 0x5d;
+ nes_registers[5] = X.P << 24; // N
+ if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
+}
+
+void asmcpu_pack(void)
+{
+ X.A = nes_registers[0] >> 24;
+ X.X = nes_registers[1];
+ X.Y = nes_registers[2];
+ X.PC= nes_registers[3] - pc_base;
+ X.S = nes_registers[4] >> 24;
+ X.IRQlow = nes_registers[4] >> 8;
+ X.count = (int32) nes_registers[7] >> 16;
+
+ // NVUB DIZC
+ X.P = nes_registers[4] & 0x5d;
+ if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N
+ if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
+}
+#endif
+
DECLFW(BNull)
{
/* scanline is equal to the current visible scanline we're on. */
int scanline;
-static uint32 scanlines_per_frame;
+
+uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
+uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
+uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
+#if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
+uint8 RAM[0x800] __attribute__ ((aligned (4)));
+#endif
uint8 PPU[4];
uint8 PPUSPL;
-uint8 GameMemBlock[131072];
-uint8 NTARAM[0x800],PALRAM[0x20];
-uint8 RAM[0x800];
-
uint8 PAL=0;
#define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)]
#define VRAMADR(V) &VPage[(V)>>10][(V)]
+static int linestartts;
+static int tofix=0;
+
+static void ResetRL(void)
+{
+ linestartts=timestamp*48+X6502_GetCycleCount();
+ tofix=1;
+}
+
+static INLINE void Fixit1(void);
+
+static void TryFixit1(void)
+{
+ #define TOFIXNUM (272-0x4)
+ int lastpixel;
+
+ if (scanline < 240 && tofix)
+ {
+ lastpixel = (timestamp*48-linestartts)>>4;
+ if (PAL) lastpixel += lastpixel>>4;
+
+ //printf("lastpixel: %i\n", lastpixel);
+
+ if(lastpixel>=TOFIXNUM)
+ {
+ Fixit1();
+ tofix=0;
+ }
+ }
+}
+
+
static DECLFW(BRAML)
{
RAM[A]=V;
static DECLFR(A2002)
{
+ /* merged */
uint8 ret;
+
+ TryFixit1();
ret = PPU_status;
+ ret|=PPUGenLatch&0x1F;
vtoggle=0;
PPU_status&=0x7F;
- return ret|(PPUGenLatch&0x1F);
+ PPUGenLatch=ret;
+ //dprintf("r [2002] %02x",ret);
+ return ret;
}
static DECLFR(A200x)
{
+ /* merged */
+ TryFixit1();
return PPUGenLatch;
}
static DECLFR(A2007)
{
+ /* merged */
uint8 ret;
uint32 tmp=RefreshAddr&0x3FFF;
- PPUGenLatch=ret=VRAMBuffer;
+ TryFixit1();
+
+ ret=VRAMBuffer;
+
if(PPU_hook) PPU_hook(tmp);
+ PPUGenLatch=VRAMBuffer;
if(tmp<0x2000)
{
VRAMBuffer=VPage[tmp>>10][tmp];
if (INC32) RefreshAddr+=32;
else RefreshAddr++;
if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
+ dprintf("r [2007] %02x",ret);
return ret;
}
static DECLFW(B2000)
{
+ /* NMI2? */
+ TryFixit1();
PPUGenLatch=V;
PPU[0]=V;
TempAddr&=0xF3FF;
static DECLFW(B2001)
{
+ /* merged */
+ TryFixit1();
PPUGenLatch=V;
PPU[1]=V;
if(V&0xE0)
static DECLFW(B2002)
{
+ /* merged */
PPUGenLatch=V;
}
static DECLFW(B2003)
{
+ /* merged */
PPUGenLatch=V;
PPU[3]=V;
PPUSPL=V&0x7;
static DECLFW(B2004)
{
+ /* merged */
PPUGenLatch=V;
- //SPRAM[PPU[3]++]=V;
- if(PPUSPL&8)
+ if(PPUSPL>=8)
{
if(PPU[3]>=8)
SPRAM[PPU[3]]=V;
{
//printf("$%02x:$%02x\n",PPUSPL,V);
SPRAM[PPUSPL]=V;
- PPUSPL++;
}
PPU[3]++;
+ PPUSPL++;
}
static DECLFW(B2005)
{
+ /* merged */
uint32 tmp=TempAddr;
-
+ TryFixit1();
PPUGenLatch=V;
if (!vtoggle)
{
static DECLFW(B2006)
{
+ /* merged */
+ TryFixit1();
+
PPUGenLatch=V;
if(!vtoggle)
{
{
TempAddr&=0xFF00;
TempAddr|=V;
- RefreshAddr=TempAddr;
+ RefreshAddr=TempAddr;
if(PPU_hook)
PPU_hook(RefreshAddr);
}
static DECLFW(B2007)
{
+ /* merged */
uint32 tmp=RefreshAddr&0x3FFF;
-
PPUGenLatch=V;
if(tmp>=0x3F00)
{
- // hmmm....
- if(!(tmp&0xf))
- PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=
- PALRAM[0x10]=PALRAM[0x14]=PALRAM[0x18]=PALRAM[0x1c]=V&0x3f;
- else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
+ // hmmm....
+ if(!(tmp&0xf))
+ PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
+ else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
}
else if(tmp<0x2000)
{
{
uint32 t=V<<8;
int x;
+
for(x=0;x<256;x++)
B2004(0x2004,X.DB=ARead[t+x](t+x));
X6502_AddCycles(512);
if(!(PPU[1]&2))
{
- tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
- tem|=0x40404040;
+ tem=Pal[0]|0x40;
+ tem|=tem<<8;
+ tem|=tem<<16;
*(uint32 *)target=*(uint32 *)(target+4)=tem;
}
}
{
uint32 tem;
int x;
- uint8 *target=XBuf+(scanline<<8)+(scanline<<4)+8;
+ uint8 *target=XBuf+scanline*320+32;
if(ScreenON || SpriteON)
{
#endif
if(ScreenON)
{
- if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
+ if(scanline>=FSettings.FirstSLine && scanline<=Settings.LastSLine)
BGRender(target);
else
{
if(PPU[1]&0x01)
{
for(x=63;x>=0;x--)
- *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0xF0F0F0F0;
+ ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0;
}
+#ifdef GP2X
+ if((PPU[1]>>5)==0x7) block_or(target, 256, 0xc0);
+ else if(PPU[1]&0xE0) block_andor(target, 256, 0x3f, 0x40);
+ else block_andor(target, 256, 0x3f, 0x80);
+#else
if((PPU[1]>>5)==0x7)
for(x=63;x>=0;x--)
- *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x40404040;
+ ((uint32 *)target)[x]=(((uint32*)target)[x])|0xc0c0c0c0;
else if(PPU[1]&0xE0)
for(x=63;x>=0;x--)
- *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0xC0C0C0C0;
+ ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040;
else
for(x=63;x>=0;x--)
- *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x3f3f3f3f;
-
+ ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x80808080;
+#endif
+ // black borders
+ ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0;
+ ((uint32 *)target)[64]=((uint32 *)target)[65]=0;
#ifdef FRAMESKIP
}
#endif
}
}
-static void RefreshLine_normal(uint8 *P, uint32 vofs)
+static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
{
int8 X1;
+ uint32 rfraddr = RefreshAddr;
+ uint8 *page = vnapage[(rfraddr>>10)&3];
+ uint32 cc2=0;
- for(X1=33;X1;X1--,P+=8)
+ if ((rfraddr&0xc)!=0)
+ cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
+
+ for (X1=33;X1;X1--,P+=8)
{
- uint8 *C;
- uint8 cc,zz,zz2;
+ uint8 cc,*C;
uint32 vadr;
- zz=RefreshAddr&0x1F;
- zz2=(RefreshAddr>>10)&3;
- vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
+ vadr=(page[rfraddr&0x3ff]<<4)+vofs;
C = VRAMADR(vadr);
- cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
- cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
- {
- uint8 *S=PALRAM+cc;
- uint8 c1,c2;
+ if ((rfraddr&0xc)==0)
+ cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
+ cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
- c1=((C[0]>>1)&0x55)|(C[8]&0xAA);
- c2=(C[0]&0x55)|((C[8]<<1)&0xAA);
-
- P[6]=S[c1&3];
- P[7]=S[c2&3];
- P[4]=S[(c1>>2)&3];
- P[5]=S[(c2>>2)&3];
- P[2]=S[(c1>>4)&3];
- P[3]=S[(c2>>4)&3];
-
- P[0]=S[c1>>6];
- P[1]=S[c2>>6];
- }
+ #include "fceline.h"
- if((RefreshAddr&0x1f)==0x1f)
- RefreshAddr^=0x41F;
- else
- RefreshAddr++;
+ if((rfraddr&0x1f)==0x1f) {
+ rfraddr^=0x41F;
+ page = vnapage[(rfraddr>>10)&3];
+ } else
+ rfraddr++;
}
+ RefreshAddr = rfraddr;
}
static void SetRefreshLine(void)
}
}
-static INLINE void Fixit2(void)
+static INLINE
+void Fixit2(void)
{
if(ScreenON || SpriteON)
{
}
}
-static INLINE void Fixit1(void)
+static INLINE
+void Fixit1(void)
{
if(ScreenON || SpriteON)
{
}
}
+
/* This is called at the beginning of all h-blanks on visible lines. */
static void DoHBlank(void)
{
if(ScreenON || SpriteON)
FetchSpriteData();
- if(GameHBIRQHook && (ScreenON || SpriteON))
+ if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
{
- X6502_Run(12);
- GameHBIRQHook();
- X6502_Run(25-12);
+ X6502_Run(6);
Fixit2();
- X6502_Run(85-25);
+ X6502_Run(4);
+ GameHBIRQHook();
+ X6502_Run(85-16-10);
}
else
{
- X6502_Run(25); // Tried 65, caused problems with Slalom(maybe others)
+ X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others)
Fixit2();
- X6502_Run(85-25);
+ X6502_Run(85-6-16);
}
+ if(GameHBIRQHook2 && (ScreenON || SpriteON))
+ GameHBIRQHook2();
//PPU_hook(0,-1);
//fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr);
+ scanline++;
+ if (scanline<240)
+ ResetRL();
+ X6502_Run(16);
}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
// ============================//
// end of new code
// ===========================//
if(GameLoaded)
{
if(FCEUGameInfo.type!=GIT_NSF)
- FlushGameCheats();
+ FCEU_FlushGameCheats(0,0);
#ifdef NETWORK
if(FSettings.NetworkPlay) KillNetplay();
#endif
if(GameLoaded) CloseGame();
GameStateRestore=0;
PPU_hook=0;
- GameHBIRQHook=0;
+ GameHBIRQHook=GameHBIRQHook2=0;
GameExpSound.Fill=0;
GameExpSound.RChange=0;
if(GameExpSound.Kill)
FCEUGameInfo.inputfc=-1;
}
+char lastLoadedGameName [2048];
+int UNIFLoad(const char *name, int fp);
+int iNESLoad(const char *name, int fp);
+int FDSLoad(const char *name, int fp);
+int NSFLoad(int fp);
+
FCEUGI *FCEUI_LoadGame(char *name)
{
+ char name2[512];
+ int have_movie = 0;
int fp;
Exit=1;
ResetGameLoaded();
- fp=FCEU_fopen(name,"rb");
+ strncpy(name2, name, sizeof(name2));
+ name2[sizeof(name2)-1] = 0;
+
+ fp=FCEU_fopen(name2,"rb");
if(!fp)
{
FCEU_PrintError("Error opening \"%s\"!",name);
return 0;
}
- GetFileBase(name);
- if(iNESLoad(name,fp))
+ {
+ char *p = name2 + strlen(name2) - 4;
+ if (strcmp(p, ".fcm") == 0)
+ {
+ // movie detected
+ printf("movie detected\n");
+ FCEU_fclose(fp);
+ *p = 0;
+ fp=FCEU_fopen(name2,"rb");
+ if (!fp) {
+ printf("no ROM for movie\n");
+ return 0;
+ }
+ have_movie = 1;
+ }
+ }
+
+ strcpy(lastLoadedGameName, name2);
+
+ GetFileBase(name2);
+ if(iNESLoad(name2,fp))
goto endlseq;
if(NSFLoad(fp))
goto endlseq;
- if(FDSLoad(name,fp))
+ if(FDSLoad(name2,fp))
goto endlseq;
- if(UNIFLoad(name,fp))
+ if(UNIFLoad(name2,fp))
goto endlseq;
FCEU_PrintError("An error occurred while loading the file.");
SaveStateRefresh();
if(FCEUGameInfo.type!=GIT_NSF)
{
- LoadGamePalette();
- LoadGameCheats();
+ FCEU_LoadGamePalette();
+ FCEU_LoadGameCheats(0);
}
FCEU_ResetPalette();
Exit=0;
+
+ if (have_movie)
+ FCEUI_LoadMovie(name, 1);
return(&FCEUGameInfo);
}
if(w)
{
PAL=1;
- scanlines_per_frame=312;
FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
FSettings.LastSLine=FSettings.UsrLastSLine[1];
}
else
{
PAL=0;
- scanlines_per_frame=262;
FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
FSettings.LastSLine=FSettings.UsrLastSLine[0];
}
FSettings.UsrFirstSLine[0]=8;
FSettings.UsrFirstSLine[1]=0;
FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
- FSettings.SoundVolume=65535; // 100%
+ FSettings.SoundVolume=100;
return 1;
}
-#define harko 0xe //0x9
+void MMC5_hb(int); /* Ugh ugh ugh. */
static INLINE void Thingo(void)
{
Loop6502();
+ if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
+
+ // check: Battletoads & Double Dragon
if(tosprite>=256)
{
- X6502_Run(256-harko);
- Fixit1();
- X6502_Run(harko);
+ X6502_Run(256);
}
else
{
- if(tosprite<=240)
- {
+ // sky glitches in SMB1 if done wrong
X6502_Run(tosprite);
PPU[2]|=0x40;
- X6502_Run(256-tosprite-harko);
- Fixit1();
- X6502_Run(harko);
- }
- else
- {
- X6502_Run(256-harko);
- Fixit1();
- X6502_Run(tosprite-(256-harko));
- PPU[2]|=0x40;
X6502_Run(256-tosprite);
- }
- tosprite=256;
+ tosprite = 256;
}
+ TryFixit1();
DoHBlank();
}
-#undef harko
void EmLoop(void)
{
for(;;)
{
- ApplyPeriodicCheats();
+ int x;
+ uint32 scanlines_per_frame = PAL ? 312 : 262;
+ UpdateInput();
+ FCEU_ApplyPeriodicCheats();
+
+ // FCEUPPU_Loop:
+ if(ppudead) /* Needed for Knight Rider, possibly others. */
+ {
+ //memset(XBuf, 0, 320*240);
+ X6502_Run(scanlines_per_frame*(256+85));
+ ppudead--;
+ goto update;
+ }
+
X6502_Run(256+85);
PPU[2]|=0x80;
of this delay.
*/
if(FCEUGameInfo.type==GIT_NSF)
- TriggerNMINSF();
+ DoNSFFrame();
else if(VBlankON)
TriggerNMI();
- X6502_Run((scanlines_per_frame-242)*(256+85)-12);
-
+ // Note: this is needed for asm core
+ // Warning: using 'scanline' var here breaks Castlevania III
+ {
+ int lines;
+ X6502_Run(256+85-12);
+ for (lines=scanlines_per_frame-242-1;lines;lines--)
+ X6502_Run(256+85);
+ }
+ // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
PPU_status&=0x1f;
-
X6502_Run(256);
+
{
- static int kook=0;
if(ScreenON || SpriteON)
+ {
if(GameHBIRQHook)
GameHBIRQHook();
+ if(PPU_hook)
+ for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
+ if(GameHBIRQHook2)
+ GameHBIRQHook2();
+ }
+
+ X6502_Run(85-16);
+
+ if(ScreenON || SpriteON)
+ {
+ RefreshAddr=TempAddr;
+ if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
+ }
+ ResetRL();
- X6502_Run(85-kook);
- kook=(kook+1)&1;
+ X6502_Run(16-kook);
+ kook ^= 1;
}
- if(ScreenON || SpriteON)
+ if(FCEUGameInfo.type==GIT_NSF)
{
- RefreshAddr=TempAddr;
- if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
+ // run scanlines for asm core to fuction
+ for(scanline=0;scanline<240;scanline++)
+ X6502_Run(256+85);
}
- if(FCEUGameInfo.type==GIT_NSF)
- X6502_Run((256+85)*240);
else
{
int x,max,maxref;
deemp=PPU[1]>>5;
SetRefreshLine();
- for(scanline=0;scanline<240;scanline++)
+ for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/
{
deempcnt[deemp]++;
Thingo();
}
+ if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
for(x=1,max=0,maxref=0;x<7;x++)
{
if(deempcnt[x]>max)
}
deempcnt[x]=0;
}
- //FCEU_DispMessage("%2x:%2x:%2x:%2x:%2x:%2x:%2x:%2x %d",deempcnt[0],deempcnt[1],deempcnt[2],deempcnt[3],deempcnt[4],deempcnt[5],deempcnt[6],deempcnt[7],maxref);
- //memset(deempcnt,0,sizeof(deempcnt));
SetNESDeemph(maxref,0);
}
+update:
{
int ssize;
ssize=FlushEmulateSound();
+ timestampbase += timestamp;
+ timestamp = 0;
+
#ifdef FRAMESKIP
if(FSkip)
{
FCEU_PutImage();
FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
}
- UpdateInput();
}
if(Exit)
break;
}
- }
+ } // for
}
#ifdef FPS
PPUGenLatch=0;
RefreshAddr=TempAddr=0;
vtoggle = 0;
+ ppudead = 2;
+ kook = 0;
}
static void PowerPPU(void)
void ResetNES(void)
{
- if(!GameLoaded || (FCEUGameInfo.type==GIT_NSF)) return;
+ if(!GameLoaded) return;
GameInterface(GI_RESETM2);
ResetSound();
ResetPPU();
X6502_Power();
}
+
+/* savestate stuff */
+uint16 TempAddrT,RefreshAddrT;
+
+SFORMAT FCEUPPU_STATEINFO[]={
+ { NTARAM, 0x800, "NTAR"},
+ { PALRAM, 0x20, "PRAM"},
+ { SPRAM, 0x100, "SPRA"},
+ { PPU, 0x4, "PPUR"},
+ { &XOffset, 1, "XOFF"},
+ { &vtoggle, 1, "VTOG"},
+ { &RefreshAddrT, 2|RLSB, "RADD"},
+ { &TempAddrT, 2|RLSB, "TADD"},
+ { &VRAMBuffer, 1, "VBUF"},
+ { &PPUGenLatch, 1, "PGEN"},
+ // from 0.98.15
+ { &kook, 1, "KOOK"},
+ { &ppudead, 1, "DEAD"},
+ { &PPUSPL, 1, "PSPL"},
+ { 0 }
+ };
+
+
notaz.gp2x.de / fceu.git / blobdiff