X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=fce.c;h=214a41f7ac337eb6905505debaf8b26ab42ed4b9;hp=653a3f601997016bc70f1b54b0ca9e9e94e96ff9;hb=9a079c3760813dd9715edab1c7ebc5d43b385bef;hpb=c62d28102c77e19c291c78bf6bf7f0a81abd54b9 diff --git a/fce.c b/fce.c index 653a3f6..214a41f 100644 --- a/fce.c +++ b/fce.c @@ -1,7 +1,7 @@ /* FCE Ultra - NES/Famicom Emulator * * Copyright notice for this file: - * Copyright (C) 1998 BERO + * Copyright (C) 1998 BERO * Copyright (C) 2002 Ben Parnell * * This program is free software; you can redistribute it and/or modify @@ -46,13 +46,14 @@ #include "input.h" #include "file.h" #include "crc32.h" +#include "ppu.h" #define Pal (PALRAM) -static void FetchSpriteData(void); + static void FASTAPASS(1) RefreshLine(uint8 *target); static void PRefreshLine(void); -static void FASTAPASS(1) RefreshSprite(uint8 *target); + static void ResetPPU(void); static void PowerPPU(void); @@ -62,7 +63,7 @@ int MMC5Hack; uint32 MMC5HackVROMMask; uint8 *MMC5HackExNTARAMPtr; uint8 *MMC5HackVROMPTR; -uint8 MMC5HackCHRMode=0; +uint8 MMC5HackCHRMode=0; uint8 MMC5HackSPMode; uint8 MMC5HackSPScroll; uint8 MMC5HackSPPage; @@ -81,7 +82,7 @@ uint8 PPUCHRRAM; static uint8 deemp=0; static int deempcnt[8]; -static int tosprite=256; +int tosprite=256; FCEUGI FCEUGameInfo; void (*GameInterface)(int h); @@ -198,7 +199,6 @@ uint8 XOffset=0; uint32 TempAddr,RefreshAddr; -static int maxsprites=8; /* scanline is equal to the current visible scanline we're on. */ @@ -209,17 +209,17 @@ uint8 PPU[4]; uint8 PPUSPL; uint8 GameMemBlock[131072]; -uint8 NTARAM[0x800],PALRAM[0x20],SPRAM[0x100],SPRBUF[0x100]; +uint8 NTARAM[0x800],PALRAM[0x20]; uint8 RAM[0x800]; uint8 PAL=0; -#define MMC5SPRVRAMADR(V) &MMC5SPRVPage[(V)>>10][(V)] + #define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)] #define VRAMADR(V) &VPage[(V)>>10][(V)] - + static DECLFW(BRAML) -{ +{ RAM[A]=V; } @@ -238,7 +238,7 @@ static DECLFR(ARAMH) return RAM[A&0x7FF]; } - + static DECLFR(A2002) { uint8 ret; @@ -260,11 +260,11 @@ static DECLFR(A2007) PPUGenLatch=ret=VRAMBuffer; if(PPU_hook) PPU_hook(tmp); - if(tmp<0x2000) + if(tmp<0x2000) { VRAMBuffer=VPage[tmp>>10][tmp]; } - else + else { VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF]; } @@ -320,6 +320,7 @@ static DECLFW(B2004) PPUSPL++; } PPU[3]++; + } static DECLFW(B2005) @@ -365,7 +366,7 @@ static DECLFW(B2006) } static DECLFW(B2007) -{ +{ uint32 tmp=RefreshAddr&0x3FFF; PPUGenLatch=V; @@ -383,7 +384,7 @@ static DECLFW(B2007) VPage[tmp>>10][tmp]=V; } else - { + { if(PPUNTARAM&(1<<((tmp&0xF00)>>10))) vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V; } @@ -393,7 +394,7 @@ static DECLFW(B2007) } static DECLFW(B4014) -{ +{ uint32 t=V<<8; int x; for(x=0;x<256;x++) @@ -401,7 +402,7 @@ static DECLFW(B4014) X6502_AddCycles(512); } -static void FASTAPASS(1) BGRender(uint8 *target) +void BGRender(uint8 *target) { uint32 tem; RefreshLine(target); @@ -414,7 +415,8 @@ static void FASTAPASS(1) BGRender(uint8 *target) } #ifdef FRAMESKIP -static int FSkip=0; +int FSkip_setting=-1; // auto +int FSkip=0; void FCEUI_FrameSkip(int x) { FSkip=x; @@ -464,7 +466,7 @@ static void Loop6502(void) { #endif if(PPU[1]&0x01) - { + { for(x=63;x>=0;x--) *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0xF0F0F0F0; } @@ -486,7 +488,7 @@ static void Loop6502(void) { tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); FCEU_dwmemset(target,tem,256); - } + } if(InputScanlineHook) InputScanlineHook(target, scanline); } @@ -524,10 +526,10 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) { uint32 vofs; int X1; - register uint8 *P=target; + uint8 *P=target; vofs=0; - + Pal[0]|=64; Pal[4]|=64; Pal[8]|=64; @@ -551,15 +553,15 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) for(X1=33;X1;X1--,P+=8) { uint8 *C; - register uint8 cc,zz,zz2; + uint8 cc,zz,zz2; uint32 vadr; - if((tochange<=0 && MMC5HackSPMode&0x40) || + if((tochange<=0 && MMC5HackSPMode&0x40) || (tochange>0 && !(MMC5HackSPMode&0x40))) { uint8 xs,ys; - xs=33-X1; + xs=33-X1; ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; if(ys>=0x1E) ys-=0x1E; vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); @@ -597,8 +599,8 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) for(X1=33;X1;X1--,P+=8) { uint8 *C; - register uint8 cc; - register uint8 zz2; + uint8 cc; + uint8 zz2; uint32 vadr; if((tochange<=0 && MMC5HackSPMode&0x40) || @@ -606,7 +608,7 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) { uint8 xs,ys; - xs=33-X1; + xs=33-X1; ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; if(ys>=0x1E) ys-=0x1E; vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); @@ -640,15 +642,15 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) { for(X1=33;X1;X1--,P+=8) { - uint8 *C; - register uint8 cc; - register uint8 zz2; - uint32 vadr; + uint8 *C; + uint8 cc; + uint8 zz2; + uint32 vadr; C=MMC5HackVROMPTR; zz2=(RefreshAddr>>10)&3; vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs; - C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & + C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & MMC5HackVROMMask) << 12) + (vadr & 0xfff); vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4; cc = vadr; @@ -665,7 +667,7 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) for(X1=33;X1;X1--,P+=8) { uint8 *C; - register uint8 cc,zz,zz2; + uint8 cc,zz,zz2; uint32 vadr; zz=RefreshAddr&0x1F; @@ -676,22 +678,22 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; #include "fceline.h" - + if((RefreshAddr&0x1f)==0x1f) RefreshAddr^=0x41F; else RefreshAddr++; - } + } } - } // End if(MMC5Hack) + } // End if(MMC5Hack) else if(PPU_hook) { for(X1=33;X1;X1--,P+=8) { - uint8 *C; - register uint8 cc,zz,zz2; - uint32 vadr; + uint8 *C; + uint8 cc,zz,zz2; + uint32 vadr; zz=RefreshAddr&0x1F; zz2=(RefreshAddr>>10)&3; @@ -712,11 +714,11 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) } } else - { + { for(X1=33;X1;X1--,P+=8) { uint8 *C; - register uint8 cc,zz,zz2; + uint8 cc,zz,zz2; uint32 vadr; zz=RefreshAddr&0x1F; @@ -726,7 +728,7 @@ static void FASTAPASS(1) RefreshLine(uint8 *target) cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; #include "fceline.h" - + if((RefreshAddr&0x1f)==0x1f) RefreshAddr^=0x41F; else @@ -805,379 +807,25 @@ static void DoHBlank(void) //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr); } -#define V_FLIP 0x80 -#define H_FLIP 0x40 -#define SP_BACK 0x20 -typedef struct { - uint8 y,no,atr,x; -} SPR; -typedef struct { - uint8 ca[2],atr,x; -} SPRB; -uint8 sprlinebuf[256+8]; -void FCEUI_DisableSpriteLimitation(int a) -{ - maxsprites=a?64:8; -} -static uint8 nosprites,SpriteBlurp; -static void FetchSpriteData(void) -{ - SPR *spr; - uint8 H; - int n,vofs; - spr=(SPR *)SPRAM; - H=8; - nosprites=SpriteBlurp=0; - vofs=(unsigned int)(PPU[0]&0x8&(((PPU[0]&0x20)^0x20)>>2))<<9; - H+=(PPU[0]&0x20)>>2; - if(!PPU_hook) - for(n=63;n>=0;n--,spr++) - { - if((unsigned int)(scanline-spr->y)>=H) continue; - if(nospritesy); - - if (Sprite16) - vadr = ((spr->no&1)<<12) + ((spr->no&0xFE)<<4); - else - vadr = (spr->no<<4)+vofs; - - if (spr->atr&V_FLIP) - { - vadr+=7; - vadr-=t; - vadr+=(PPU[0]&0x20)>>1; - vadr-=t&8; - } - else - { - vadr+=t; - vadr+=t&8; - } - - /* Fix this geniestage hack */ - if(MMC5Hack && geniestage!=1) C = MMC5SPRVRAMADR(vadr); - else C = VRAMADR(vadr); - - - dst.ca[0]=C[0]; - dst.ca[1]=C[8]; - dst.x=spr->x; - dst.atr=spr->atr; - - - *(uint32 *)&SPRBUF[nosprites<<2]=*(uint32 *)&dst; - } - - nosprites++; - } - else - { - PPU_status|=0x20; - break; - } - } - else - for(n=63;n>=0;n--,spr++) - { - if((unsigned int)(scanline-spr->y)>=H) continue; - if(nospritesy); - - if (Sprite16) - vadr = ((spr->no&1)<<12) + ((spr->no&0xFE)<<4); - else - vadr = (spr->no<<4)+vofs; - - if (spr->atr&V_FLIP) - { - vadr+=7; - vadr-=t; - vadr+=(PPU[0]&0x20)>>1; - vadr-=t&8; - } - else - { - vadr+=t; - vadr+=t&8; - } - - if(MMC5Hack) C = MMC5SPRVRAMADR(vadr); - else C = VRAMADR(vadr); - dst.ca[0]=C[0]; - PPU_hook(vadr); - dst.ca[1]=C[8]; - PPU_hook(vadr|8); - dst.x=spr->x; - dst.atr=spr->atr; - - - *(uint32 *)&SPRBUF[nosprites<<2]=*(uint32 *)&dst; - } - - nosprites++; - } - else - { - PPU_status|=0x20; - break; - } - } -} -static void FASTAPASS(1) RefreshSprite(uint8 *target) -{ - int n; - SPRB *spr; - uint8 *P=target; - - if(!nosprites) return; - #ifdef FRAMESKIP - if(FSkip) - { - if(!SpriteBlurp) - { - nosprites=0; - return; - } - else - nosprites=1; - } - #endif - FCEU_dwmemset(sprlinebuf,0x80808080,256); - nosprites--; - spr = (SPRB*)SPRBUF+nosprites; - - for(n=nosprites;n>=0;n--,spr--) - { - register uint8 J,atr,c1,c2; - int x=spr->x; - uint8 *C; - uint8 *VB; - - P+=x; - - c1=((spr->ca[0]>>1)&0x55)|(spr->ca[1]&0xAA); - c2=(spr->ca[0]&0x55)|((spr->ca[1]<<1)&0xAA); - - J=spr->ca[0]|spr->ca[1]; - atr=spr->atr; - - if(J) - { - if(n==0 && SpriteBlurp && !(PPU_status&0x40)) - { - int z,ze=x+8; - if(ze>256) {ze=256;} - if(ScreenON && (scanlineFSettings.LastSLine - #ifdef FRAMESKIP - || FSkip - #endif - )) - BGRender(target); - - if(!(atr&H_FLIP)) - { - for(z=x;z>(z-x))) - { - if(!(target[z]&64)) - tosprite=z; - } - } - } - else - { - for(z=x;z>=2;c2>>=2; - if (J&0x08) C[3]=VB[c1&3]|0x40;; - if (J&0x04) C[2]=VB[c2&3]|0x40;; - c1>>=2;c2>>=2; - if (J&0x20) C[5]=VB[c1&3]|0x40;; - if (J&0x10) C[4]=VB[c2&3]|0x40;; - c1>>=2;c2>>=2; - if (J&0x80) C[7]=VB[c1]|0x40;; - if (J&0x40) C[6]=VB[c2]|0x40;; - } else { - if (J&0x02) C[6]=VB[c1&3]|0x40; - if (J&0x01) C[7]=VB[c2&3]|0x40; - c1>>=2;c2>>=2; - if (J&0x08) C[4]=VB[c1&3]|0x40; - if (J&0x04) C[5]=VB[c2&3]|0x40; - c1>>=2;c2>>=2; - if (J&0x20) C[2]=VB[c1&3]|0x40; - if (J&0x10) C[3]=VB[c2&3]|0x40; - c1>>=2;c2>>=2; - if (J&0x80) *C=VB[c1]|0x40; - if (J&0x40) C[1]=VB[c2]|0x40; - } - } else { - if (atr&H_FLIP) - { - if (J&0x02) C[1]=VB[(c1&3)]; - if (J&0x01) *C=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x08) C[3]=VB[(c1&3)]; - if (J&0x04) C[2]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x20) C[5]=VB[(c1&3)]; - if (J&0x10) C[4]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x80) C[7]=VB[c1]; - if (J&0x40) C[6]=VB[c2]; - }else{ - if (J&0x02) C[6]=VB[(c1&3)]; - if (J&0x01) C[7]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x08) C[4]=VB[(c1&3)]; - if (J&0x04) C[5]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x20) C[2]=VB[(c1&3)]; - if (J&0x10) C[3]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x80) *C=VB[c1]; - if (J&0x40) C[1]=VB[c2]; - } - } - } - P-=x; - } - - nosprites=0; - #ifdef FRAMESKIP - if(FSkip) return; - #endif - - { - uint8 n=((PPU[1]&4)^4)<<1; - loopskie: - { - uint32 t=*(uint32 *)(sprlinebuf+n); - if(t!=0x80808080) - { - #ifdef LSB_FIRST - if(!(t&0x80)) - { - if(!(t&0x40)) // Normal sprite - P[n]=sprlinebuf[n]; - else if(P[n]&64) // behind bg sprite - P[n]=sprlinebuf[n]; - } - - if(!(t&0x8000)) - { - if(!(t&0x4000)) // Normal sprite - P[n+1]=(sprlinebuf+1)[n]; - else if(P[n+1]&64) // behind bg sprite - P[n+1]=(sprlinebuf+1)[n]; - } - - if(!(t&0x800000)) - { - if(!(t&0x400000)) // Normal sprite - P[n+2]=(sprlinebuf+2)[n]; - else if(P[n+2]&64) // behind bg sprite - P[n+2]=(sprlinebuf+2)[n]; - } - - if(!(t&0x80000000)) - { - if(!(t&0x40000000)) // Normal sprite - P[n+3]=(sprlinebuf+3)[n]; - else if(P[n+3]&64) // behind bg sprite - P[n+3]=(sprlinebuf+3)[n]; - } - #else - if(!(t&0x80000000)) - { - if(!(t&0x40)) // Normal sprite - P[n]=sprlinebuf[n]; - else if(P[n]&64) // behind bg sprite - P[n]=sprlinebuf[n]; - } - - if(!(t&0x800000)) - { - if(!(t&0x4000)) // Normal sprite - P[n+1]=(sprlinebuf+1)[n]; - else if(P[n+1]&64) // behind bg sprite - P[n+1]=(sprlinebuf+1)[n]; - } - - if(!(t&0x8000)) - { - if(!(t&0x400000)) // Normal sprite - P[n+2]=(sprlinebuf+2)[n]; - else if(P[n+2]&64) // behind bg sprite - P[n+2]=(sprlinebuf+2)[n]; - } - - if(!(t&0x80)) - { - if(!(t&0x40000000)) // Normal sprite - P[n+3]=(sprlinebuf+3)[n]; - else if(P[n+3]&64) // behind bg sprite - P[n+3]=(sprlinebuf+3)[n]; - } - #endif - } - } - n+=4; - if(n) goto loopskie; - } -} +// ============================// +// end of new code +// ===========================// void ResetMapping(void) { @@ -1226,7 +874,7 @@ void CloseGame(void) FlushGameCheats(); #ifdef NETWORK if(FSettings.NetworkPlay) KillNetplay(); - #endif + #endif GameInterface(GI_CLOSE); CloseGenie(); GameLoaded=0; @@ -1286,7 +934,7 @@ FCEUGI *FCEUI_LoadGame(char *name) endlseq: FCEU_fclose(fp); - GameLoaded=1; + GameLoaded=1; FCEU_ResetVidSys(); if(FCEUGameInfo.type!=GIT_NSF) @@ -1303,7 +951,7 @@ FCEUGI *FCEUI_LoadGame(char *name) LoadGamePalette(); LoadGameCheats(); } - + FCEU_ResetPalette(); Exit=0; return(&FCEUGameInfo); @@ -1335,6 +983,7 @@ void FCEU_ResetVidSys(void) FSettings.FirstSLine=FSettings.UsrFirstSLine[0]; FSettings.LastSLine=FSettings.UsrLastSLine[0]; } + printf("PAL = %i\n", PAL); SetSoundVariables(); } @@ -1346,7 +995,7 @@ int FCEUI_Initialize(void) FSettings.UsrFirstSLine[0]=8; FSettings.UsrFirstSLine[1]=0; FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239; - FSettings.SoundVolume=65536; // 100% + FSettings.SoundVolume=65535; // 100% return 1; } @@ -1356,7 +1005,7 @@ static INLINE void Thingo(void) Loop6502(); if(tosprite>=256) - { + { X6502_Run(256-harko); Fixit1(); X6502_Run(harko); @@ -1399,14 +1048,14 @@ void EmLoop(void) breaks a Super Donkey Kong game. */ X6502_Run(12); /* I need to figure out the true nature and length - of this delay. + of this delay. */ if(FCEUGameInfo.type==GIT_NSF) TriggerNMINSF(); else if(VBlankON) TriggerNMI(); - X6502_Run((scanlines_per_frame-242)*(256+85)-12); + X6502_Run((scanlines_per_frame-242)*(256+85)-12); PPU_status&=0x1f; @@ -1462,13 +1111,13 @@ void EmLoop(void) { FCEU_PutImageDummy(); FSkip--; - FCEUD_Update(0,WaveFinal,ssize); + FCEUD_Update(0,WaveFinalMono,ssize); } else #endif { FCEU_PutImage(); - FCEUD_Update(XBuf+8,WaveFinal,ssize); + FCEUD_Update(XBuf+8,WaveFinalMono,ssize); } UpdateInput(); } @@ -1545,7 +1194,7 @@ void ResetNES(void) X6502_Reset(); } -void PowerNES(void) +void PowerNES(void) { if(!GameLoaded) return;