X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2Fmmc5.c;h=daf973fafe3d9c4081afd55e382780c0d197f7db;hp=1916df96643d99fb7c10f33d7b6b9d9eb95f09b3;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1 diff --git a/boards/mmc5.c b/boards/mmc5.c index 1916df9..daf973f 100644 --- a/boards/mmc5.c +++ b/boards/mmc5.c @@ -1,908 +1,837 @@ -/* FCE Ultra - NES/Famicom Emulator - * - * Copyright notice for this file: - * Copyright (C) 2002 Xodnizel - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* None of this code should use any of the iNES bank switching wrappers. */ - -#include "mapinc.h" - -static void (*sfun)(int P); -static void (*psfun)(void); - -void MMC5RunSound(int Count); -void MMC5RunSoundHQ(void); - -static INLINE void MMC5SPRVROM_BANK1(uint32 A,uint32 V) -{ - if(CHRptr[0]) - { - V&=CHRmask1[0]; - MMC5SPRVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A); - } -} - -static INLINE void MMC5BGVROM_BANK1(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask1[0];MMC5BGVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A);}} - -static INLINE void MMC5SPRVROM_BANK2(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask2[0];MMC5SPRVPage[(A)>>10]=MMC5SPRVPage[((A)>>10)+1]=&CHRptr[0][(V)<<11]-(A);}} -static INLINE void MMC5BGVROM_BANK2(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask2[0];MMC5BGVPage[(A)>>10]=MMC5BGVPage[((A)>>10)+1]=&CHRptr[0][(V)<<11]-(A);}} - -static INLINE void MMC5SPRVROM_BANK4(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask4[0];MMC5SPRVPage[(A)>>10]=MMC5SPRVPage[((A)>>10)+1]= MMC5SPRVPage[((A)>>10)+2]=MMC5SPRVPage[((A)>>10)+3]=&CHRptr[0][(V)<<12]-(A);}} -static INLINE void MMC5BGVROM_BANK4(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask4[0];MMC5BGVPage[(A)>>10]=MMC5BGVPage[((A)>>10)+1]=MMC5BGVPage[((A)>>10)+2]=MMC5BGVPage[((A)>>10)+3]=&CHRptr[0][(V)<<12]-(A);}} - -static INLINE void MMC5SPRVROM_BANK8(uint32 V) {if(CHRptr[0]){V&=CHRmask8[0];MMC5SPRVPage[0]=MMC5SPRVPage[1]=MMC5SPRVPage[2]=MMC5SPRVPage[3]=MMC5SPRVPage[4]=MMC5SPRVPage[5]=MMC5SPRVPage[6]=MMC5SPRVPage[7]=&CHRptr[0][(V)<<13];}} -static INLINE void MMC5BGVROM_BANK8(uint32 V) {if(CHRptr[0]){V&=CHRmask8[0];MMC5BGVPage[0]=MMC5BGVPage[1]=MMC5BGVPage[2]=MMC5BGVPage[3]=MMC5BGVPage[4]=MMC5BGVPage[5]=MMC5BGVPage[6]=MMC5BGVPage[7]=&CHRptr[0][(V)<<13];}} - -static uint8 PRGBanks[4]; -static uint8 WRAMPage; -static uint16 CHRBanksA[8], CHRBanksB[4]; -static uint8 WRAMMaskEnable[2]; -uint8 mmc5ABMode; /* A=0, B=1 */ - -static uint8 IRQScanline,IRQEnable; -static uint8 CHRMode, NTAMirroring, NTFill, ATFill; - -static uint8 MMC5IRQR; -static uint8 MMC5LineCounter; -static uint8 mmc5psize, mmc5vsize; -static uint8 mul[2]; - -static uint8 *WRAM=NULL; -static uint8 *MMC5fill=NULL; -static uint8 *ExRAM=NULL; - -static uint8 MMC5WRAMsize; -static uint8 MMC5WRAMIndex[8]; - -static uint8 MMC5ROMWrProtect[4]; -static uint8 MMC5MemIn[5]; - -static void MMC5CHRA(void); -static void MMC5CHRB(void); - -typedef struct __cartdata { - uint32 crc32; - uint8 size; -} cartdata; - -#define Sprite16 (PPU[0]&0x20) //Sprites 8x16/8x8 -//#define MMC5SPRVRAMADR(V) &MMC5SPRVPage[(V)>>10][(V)] -static inline uint8 * MMC5BGVRAMADR(uint32 A) -{ - if(!Sprite16) { - if(mmc5ABMode==0) - return &MMC5SPRVPage[(A)>>10][(A)]; - else - return &MMC5BGVPage[(A)>>10][(A)]; - } else return &MMC5BGVPage[(A)>>10][(A)]; -} - -static void mmc5_PPUWrite(uint32 A, uint8 V) { - uint32 tmp = A; - extern uint8 PALRAM[0x20]; - - if(tmp>=0x3F00) - { - // 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) - { - if(PPUCHRRAM&(1<<(tmp>>10))) - VPage[tmp>>10][tmp]=V; - } - else - { - if(PPUNTARAM&(1<<((tmp&0xF00)>>10))) - vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V; - } -} - -uint8 FASTCALL mmc5_PPURead(uint32 A) { - if(A<0x2000) - { - if(ppuphase == PPUPHASE_BG) - return *MMC5BGVRAMADR(A); - else return MMC5SPRVPage[(A)>>10][(A)]; - } - else - { - return vnapage[(A>>10)&0x3][A&0x3FF]; - } -} - - - -// ELROM seems to have 8KB of RAM -// ETROM seems to have 16KB of WRAM -// EWROM seems to have 32KB of WRAM - -cartdata MMC5CartList[]= -{ - {0x9c18762b,2}, /* L'Empereur */ - {0x26533405,2}, - {0x6396b988,2}, - {0xaca15643,2}, /* Uncharted Waters */ - {0xfe3488d1,2}, /* Dai Koukai Jidai */ - {0x15fe6d0f,2}, /* BKAC */ - {0x39f2ce4b,2}, /* Suikoden */ - {0x8ce478db,2}, /* Nobunaga's Ambition 2 */ - {0xeee9a682,2}, - {0xf9b4240f,2}, - {0x1ced086f,2}, /* Ishin no Arashi */ - {0xf540677b,4}, /* Nobunaga...Bushou Fuuun Roku */ - {0x6f4e4312,4}, /* Aoki Ookami..Genchou */ - {0xf011e490,4}, /* Romance of the 3 Kingdoms 2 */ - {0x184c2124,4}, /* Sangokushi 2 */ - {0xee8e6553,4}, -}; - -#define MMC5_NOCARTS (sizeof(MMC5CartList)/sizeof(MMC5CartList[0])) -int DetectMMC5WRAMSize(uint32 crc32) -{ - int x; - for(x=0;x8KB external WRAM present. Use UNIF if you hack the ROM image.\n"); - return(MMC5CartList[x].size*8); - } - } - - //mbg 04-aug-08 - previously, this was returning 8KB - //but I changed it to return 64 because unlisted carts are probably homebrews, and they should probably use 64 (why not use it all?) - //ch4 10-dec-08 - then f***ng for what all this shit above? let's give em all this 64k shit! Damn - // homebrew must use it's own emulators or standart features. - //adelikat 20-dec-08 - reverting back to return 64, sounds like it was changed back to 8 simply on principle. FCEUX is all encompassing, and that include - //rom-hacking. We want it to be the best emulator for such purposes. So unless return 64 harms compatibility with anything else, I see now reason not to have it - //mbg 29-mar-09 - I should note that mmc5 is in principle capable of 64KB, even if no real carts ever supported it. - //This does not in principle break any games which share this mapper, and it should be OK for homebrew. - //if there are games which need 8KB instead of 64KB default then lets add them to the list - return 64; -} - -static void BuildWRAMSizeTable(void) -{ - int x; - for(x=0;x<8;x++) - { - switch(MMC5WRAMsize) - { - case 0: MMC5WRAMIndex[x]=255; break; //X,X,X,X,X,X,X,X - case 1: MMC5WRAMIndex[x]=(x>3)?255:0; break; //0,0,0,0,X,X,X,X - case 2: MMC5WRAMIndex[x]=(x&4)>>2; break; //0,0,0,0,1,1,1,1 - case 4: MMC5WRAMIndex[x]=(x>3)?255:(x&3); break; //0,1,2,3,X,X,X,X - case 8: MMC5WRAMIndex[x]=x; break; //0,1,2,3,4,5,6,7,8 - //mbg 8/6/08 - i added this to support 64KB of wram - //now, I have at least one example (laser invasion) which actually uses size 1 but isnt in the crc list - //so, whereas before my change on 8/4/08 we would have selected size 1, now we select size 8 - //this means that we could have just introduced an emulation bug, in case those games happened to - //address, say, page 3. with size 1 that would resolve to [0] but in size 8 it resolves to [3]. - //so, you know what to do if there are problems. - } - } -} - -static void MMC5CHRA(void) -{ - int x; - switch(mmc5vsize&3) - { - case 0: setchr8(CHRBanksA[7]); - MMC5SPRVROM_BANK8(CHRBanksA[7]); - break; - case 1: setchr4(0x0000,CHRBanksA[3]); - setchr4(0x1000,CHRBanksA[7]); - MMC5SPRVROM_BANK4(0x0000,CHRBanksA[3]); - MMC5SPRVROM_BANK4(0x1000,CHRBanksA[7]); - break; - case 2: setchr2(0x0000,CHRBanksA[1]); - setchr2(0x0800,CHRBanksA[3]); - setchr2(0x1000,CHRBanksA[5]); - setchr2(0x1800,CHRBanksA[7]); - MMC5SPRVROM_BANK2(0x0000,CHRBanksA[1]); - MMC5SPRVROM_BANK2(0x0800,CHRBanksA[3]); - MMC5SPRVROM_BANK2(0x1000,CHRBanksA[5]); - MMC5SPRVROM_BANK2(0x1800,CHRBanksA[7]); - break; - case 3: for(x=0;x<8;x++) - { - setchr1(x<<10,CHRBanksA[x]); - MMC5SPRVROM_BANK1(x<<10,CHRBanksA[x]); - } - break; - } -} - -static void MMC5CHRB(void) -{ - int x; - switch(mmc5vsize&3) - { - case 0: setchr8(CHRBanksB[3]); - MMC5BGVROM_BANK8(CHRBanksB[3]); - break; - case 1: setchr4(0x0000,CHRBanksB[3]); - setchr4(0x1000,CHRBanksB[3]); - MMC5BGVROM_BANK4(0x0000,CHRBanksB[3]); - MMC5BGVROM_BANK4(0x1000,CHRBanksB[3]); - break; - case 2: setchr2(0x0000,CHRBanksB[1]); - setchr2(0x0800,CHRBanksB[3]); - setchr2(0x1000,CHRBanksB[1]); - setchr2(0x1800,CHRBanksB[3]); - MMC5BGVROM_BANK2(0x0000,CHRBanksB[1]); - MMC5BGVROM_BANK2(0x0800,CHRBanksB[3]); - MMC5BGVROM_BANK2(0x1000,CHRBanksB[1]); - MMC5BGVROM_BANK2(0x1800,CHRBanksB[3]); - break; - case 3: for(x=0;x<8;x++) - { - setchr1(x<<10,CHRBanksB[x&3]); - MMC5BGVROM_BANK1(x<<10,CHRBanksB[x&3]); - } - break; - } -} - -static void MMC5WRAM(uint32 A, uint32 V) -{ - //printf("%02x\n",V); - V=MMC5WRAMIndex[V&7]; - if(V!=255) - { - setprg8r(0x10,A,V); - MMC5MemIn[(A-0x6000)>>13]=1; - } - else - MMC5MemIn[(A-0x6000)>>13]=0; -} - -static void MMC5PRG(void) -{ - int x; - switch(mmc5psize&3) - { - case 0: MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]= - MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1; - setprg32(0x8000,((PRGBanks[1]&0x7F)>>2)); - for(x=0;x<4;x++) - MMC5MemIn[1+x]=1; - break; - case 1: if(PRGBanks[1]&0x80) - { - MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1; - setprg16(0x8000,(PRGBanks[1]>>1)); - MMC5MemIn[1]=MMC5MemIn[2]=1; - } - else - { - MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0; - MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE); - MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1); - } - MMC5MemIn[3]=MMC5MemIn[4]=1; - MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1; - setprg16(0xC000,(PRGBanks[3]&0x7F)>>1); - break; - case 2: if(PRGBanks[1]&0x80) - { - MMC5MemIn[1]=MMC5MemIn[2]=1; - MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1; - setprg16(0x8000,(PRGBanks[1]&0x7F)>>1); - } - else - { - MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0; - MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE); - MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1); - } - if(PRGBanks[2]&0x80) - { - MMC5ROMWrProtect[2]=1; - MMC5MemIn[3]=1; - setprg8(0xC000,PRGBanks[2]&0x7F); - } - else - { - MMC5ROMWrProtect[2]=0; - MMC5WRAM(0xC000,PRGBanks[2]&7); - } - MMC5MemIn[4]=1; - MMC5ROMWrProtect[3]=1; - setprg8(0xE000,PRGBanks[3]&0x7F); - break; - case 3: for(x=0;x<3;x++) - if(PRGBanks[x]&0x80) - { - MMC5ROMWrProtect[x]=1; - setprg8(0x8000+(x<<13),PRGBanks[x]&0x7F); - MMC5MemIn[1+x]=1; - } - else - { - MMC5ROMWrProtect[x]=0; - MMC5WRAM(0x8000+(x<<13),PRGBanks[x]&7); - } - MMC5MemIn[4]=1; - MMC5ROMWrProtect[3]=1; - setprg8(0xE000,PRGBanks[3]&0x7F); - break; - } -} - -static DECLFW(Mapper5_write) -{ - if(A>=0x5120&&A<=0x5127) - { - mmc5ABMode = 0; - CHRBanksA[A&7]=V | ((MMC50x5130&0x3)<<8); //if we had a test case for this then we could test this, but it hasnt been verified - //CHRBanksA[A&7]=V; - MMC5CHRA(); - } - else switch(A) - { - case 0x5105: { - int x; - for(x=0;x<4;x++) - { - switch((V>>(x<<1))&3) - { - case 0: - PPUNTARAM|=1<>3)&0x1F;break; - case 0x5202: MMC5HackSPPage=V&0x3F;break; - case 0x5203: X6502_IRQEnd(FCEU_IQEXT);IRQScanline=V;break; - case 0x5204: X6502_IRQEnd(FCEU_IQEXT);IRQEnable=V&0x80;break; - case 0x5205: mul[0]=V;break; - case 0x5206: mul[1]=V;break; - } -} - -static DECLFR(MMC5_ReadROMRAM) -{ - if(MMC5MemIn[(A-0x6000)>>13]) - return Page[A>>11][A]; - else - return X.DB; -} - -static DECLFW(MMC5_WriteROMRAM) -{ - if(A>=0x8000) - if(MMC5ROMWrProtect[(A-0x8000)>>13]) return; - if(MMC5MemIn[(A-0x6000)>>13]) - if(((WRAMMaskEnable[0]&3)|((WRAMMaskEnable[1]&3)<<2)) == 6) - Page[A>>11][A]=V; -} - -static DECLFW(MMC5_ExRAMWr) -{ - if(MMC5HackCHRMode!=3) - ExRAM[A&0x3ff]=V; -} - -static DECLFR(MMC5_ExRAMRd) -{ - /* Not sure if this is correct, so I'll comment it out for now. */ - //if(MMC5HackCHRMode>=2) - return ExRAM[A&0x3ff]; - //else - // return(X.DB); -} - -static DECLFR(MMC5_read) -{ - switch(A) - { - case 0x5204: X6502_IRQEnd(FCEU_IQEXT); - { - uint8 x; - x=MMC5IRQR; - if(!fceuindbg) - MMC5IRQR&=0x40; - return x; - } - case 0x5205: return (mul[0]*mul[1]); - case 0x5206: return ((mul[0]*mul[1])>>8); - } - return(X.DB); -} - -void MMC5Synco(void) -{ - int x; - - MMC5PRG(); - for(x=0;x<4;x++) - { - switch((NTAMirroring>>(x<<1))&3) - { - case 0:PPUNTARAM|=1<>4]+=MMC5Sound.raw<<1; -} - -static void Do5PCMHQ() -{ - uint32 V; //mbg merge 7/17/06 made uint32 - if(!(MMC5Sound.rawcontrol&0x40) && MMC5Sound.raw) - for(V=MMC5Sound.BC[2];V>2); - MMC5Sound.env[A>>2]=V; - break; - case 0x2: - case 0x6: if(sfun) sfun(A>>2); - MMC5Sound.wl[A>>2]&=~0x00FF; - MMC5Sound.wl[A>>2]|=V&0xFF; - break; - case 0x3: - case 0x7://printf("%04x:$%02x\n",A,V>>3); - MMC5Sound.wl[A>>2]&=~0x0700; - MMC5Sound.wl[A>>2]|=(V&0x07)<<8; - MMC5Sound.running|=1<<(A>>2); - break; - case 0x15:if(sfun) - { - sfun(0); - sfun(1); - } - MMC5Sound.running&=V; - MMC5Sound.enable=V; - //printf("%02x\n",V); - break; - } -} - -static void Do5SQ(int P) -{ - static int tal[4]={1,2,4,6}; - int32 V,amp,rthresh,wl; - int32 start,end; - - start=MMC5Sound.BC[P]; - end=(SOUNDTS<<16)/soundtsinc; - if(end<=start) return; - MMC5Sound.BC[P]=end; - - wl=MMC5Sound.wl[P]+1; - amp=(MMC5Sound.env[P]&0xF)<<4; - rthresh=tal[(MMC5Sound.env[P]&0xC0)>>6]; - - if(wl>=8 && (MMC5Sound.running&(P+1))) - { - int dc,vc; - - wl<<=18; - dc=MMC5Sound.dcount[P]; - vc=MMC5Sound.vcount[P]; - - for(V=start;V>4]+=amp; - vc-=nesincsize; - while(vc<=0) - { - vc+=wl; - dc=(dc+1)&7; - } - } - MMC5Sound.dcount[P]=dc; - MMC5Sound.vcount[P]=vc; - } -} - -static void Do5SQHQ(int P) -{ - static int tal[4]={1,2,4,6}; - uint32 V; //mbg merge 7/17/06 made uint32 - int32 amp,rthresh,wl; - - wl=MMC5Sound.wl[P]+1; - amp=((MMC5Sound.env[P]&0xF)<<8); - rthresh=tal[(MMC5Sound.env[P]&0xC0)>>6]; - - if(wl>=8 && (MMC5Sound.running&(P+1))) - { - int dc,vc; - - wl<<=1; - - dc=MMC5Sound.dcount[P]; - vc=MMC5Sound.vcount[P]; - for(V=MMC5Sound.BC[P];V=1) - { - sfun=Do5SQHQ; - psfun=Do5PCMHQ; - } - else - { - sfun=Do5SQ; - psfun=Do5PCM; - } - } - else - { - sfun=0; - psfun=0; - } - memset(MMC5Sound.BC,0,sizeof(MMC5Sound.BC)); - memset(MMC5Sound.vcount,0,sizeof(MMC5Sound.vcount)); - GameExpSound.HiSync=MMC5HiSync; -} - -void NSFMMC5_Init(void) -{ - memset(&MMC5Sound,0,sizeof(MMC5Sound)); - mul[0]=mul[1]=0; - ExRAM=(uint8*)FCEU_gmalloc(1024); - Mapper5_ESI(); - SetWriteHandler(0x5c00,0x5fef,MMC5_ExRAMWr); - SetReadHandler(0x5c00,0x5fef,MMC5_ExRAMRd); - MMC5HackCHRMode=2; - SetWriteHandler(0x5000,0x5015,Mapper5_SW); - SetWriteHandler(0x5205,0x5206,Mapper5_write); - SetReadHandler(0x5205,0x5206,MMC5_read); -} - -void NSFMMC5_Close(void) -{ - FCEU_gfree(ExRAM); - ExRAM=0; -} - -static void GenMMC5Reset(void) -{ - int x; - - for(x=0;x<4;x++) PRGBanks[x]=~0; - for(x=0;x<8;x++) CHRBanksA[x]=~0; - for(x=0;x<4;x++) CHRBanksB[x]=~0; - WRAMMaskEnable[0]=WRAMMaskEnable[1]=~0; - - mmc5psize=mmc5vsize=3; - CHRMode=0; - - NTAMirroring=NTFill=ATFill=0xFF; - - MMC5Synco(); - - SetWriteHandler(0x4020,0x5bff,Mapper5_write); - SetReadHandler(0x4020,0x5bff,MMC5_read); - - SetWriteHandler(0x5c00,0x5fff,MMC5_ExRAMWr); - SetReadHandler(0x5c00,0x5fff,MMC5_ExRAMRd); - - SetWriteHandler(0x6000,0xFFFF,MMC5_WriteROMRAM); - SetReadHandler(0x6000,0xFFFF,MMC5_ReadROMRAM); - - SetWriteHandler(0x5000,0x5015,Mapper5_SW); - SetWriteHandler(0x5205,0x5206,Mapper5_write); - SetReadHandler(0x5205,0x5206,MMC5_read); - - //GameHBIRQHook=MMC5_hb; - FCEU_CheatAddRAM(8,0x6000,WRAM); - FCEU_CheatAddRAM(1,0x5c00,ExRAM); -} - -static SFORMAT MMC5_StateRegs[]={ - { PRGBanks, 4, "PRGB"}, - { CHRBanksA, 16, "CHRA"}, - { CHRBanksB, 8, "CHRB"}, - { &WRAMPage, 1, "WRMP"}, - { WRAMMaskEnable, 2, "WRME"}, - { &mmc5ABMode, 1, "ABMD"}, - { &IRQScanline, 1, "IRQS"}, - { &IRQEnable, 1, "IRQE"}, - { &CHRMode, 1, "CHRM"}, - { &NTAMirroring, 1, "NTAM"}, - { &NTFill, 1, "NTFL"}, - { &ATFill, 1, "ATFL"}, - - { &MMC5Sound.wl[0], 2|FCEUSTATE_RLSB, "SDW0"}, - { &MMC5Sound.wl[1], 2|FCEUSTATE_RLSB, "SDW1"}, - { MMC5Sound.env, 2, "SDEV"}, - { &MMC5Sound.enable, 1, "SDEN"}, - { &MMC5Sound.running, 1, "SDRU"}, - { &MMC5Sound.raw, 1, "SDRW"}, - { &MMC5Sound.rawcontrol, 1, "SDRC"}, - {0} -}; - -static void GenMMC5_Init(CartInfo *info, int wsize, int battery) -{ - if(wsize) - { - WRAM=(uint8*)FCEU_gmalloc(wsize*1024); - SetupCartPRGMapping(0x10,WRAM,wsize*1024,1); - AddExState(WRAM, wsize*1024, 0, "WRAM"); - } - - MMC5fill=(uint8*)FCEU_gmalloc(1024); - ExRAM=(uint8*)FCEU_gmalloc(1024); - - AddExState(MMC5_StateRegs, ~0, 0, 0); - AddExState(WRAM, wsize*1024, 0, "WRAM"); - AddExState(ExRAM, 1024, 0, "ERAM"); - AddExState(&MMC5HackSPMode, 1, 0, "SPLM"); - AddExState(&MMC5HackSPScroll, 1, 0, "SPLS"); - AddExState(&MMC5HackSPPage, 1, 0, "SPLP"); - AddExState(&MMC50x5130, 1, 0, "5130"); - - MMC5WRAMsize=wsize/8; - BuildWRAMSizeTable(); - GameStateRestore=MMC5_StateRestore; - info->Power=GenMMC5Reset; - - if(battery) - { - info->SaveGame[0]=WRAM; - if(wsize<=16) - info->SaveGameLen[0]=8192; - else - info->SaveGameLen[0]=32768; - } - - MMC5HackVROMMask=CHRmask4[0]; - MMC5HackExNTARAMPtr=ExRAM; - MMC5Hack=1; - MMC5HackVROMPTR=CHRptr[0]; - MMC5HackCHRMode=0; - MMC5HackSPMode=MMC5HackSPScroll=MMC5HackSPPage=0; - Mapper5_ESI(); - - FFCEUX_PPURead = mmc5_PPURead; - FFCEUX_PPUWrite = mmc5_PPUWrite; -} - -void Mapper5_Init(CartInfo *info) -{ - GenMMC5_Init(info, DetectMMC5WRAMSize(info->CRC32), info->battery); -} - -// ELROM seems to have 0KB of WRAM -// EKROM seems to have 8KB of WRAM -// ETROM seems to have 16KB of WRAM -// EWROM seems to have 32KB of WRAM - -// ETROM and EWROM are battery-backed, EKROM isn't. - -void ETROM_Init(CartInfo *info) -{ - GenMMC5_Init(info, 16,info->battery); -} - -void ELROM_Init(CartInfo *info) -{ - GenMMC5_Init(info,0,0); -} - -void EWROM_Init(CartInfo *info) -{ - GenMMC5_Init(info,32,info->battery); -} - -void EKROM_Init(CartInfo *info) -{ - GenMMC5_Init(info,8,info->battery); -} +/* FCE Ultra - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2002 Xodnizel + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* None of this code should use any of the iNES bank switching wrappers. */ + +#include "mapinc.h" + +static void (*sfun)(int P); +static void (*psfun)(void); + +void MMC5RunSound(int Count); +void MMC5RunSoundHQ(void); + +static INLINE void MMC5SPRVROM_BANK1(uint32 A,uint32 V) +{ + if(CHRptr[0]) + { + V&=CHRmask1[0]; + MMC5SPRVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A); + } +} + +static INLINE void MMC5BGVROM_BANK1(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask1[0];MMC5BGVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A);}} + +static INLINE void MMC5SPRVROM_BANK2(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask2[0];MMC5SPRVPage[(A)>>10]=MMC5SPRVPage[((A)>>10)+1]=&CHRptr[0][(V)<<11]-(A);}} +static INLINE void MMC5BGVROM_BANK2(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask2[0];MMC5BGVPage[(A)>>10]=MMC5BGVPage[((A)>>10)+1]=&CHRptr[0][(V)<<11]-(A);}} + +static INLINE void MMC5SPRVROM_BANK4(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask4[0];MMC5SPRVPage[(A)>>10]=MMC5SPRVPage[((A)>>10)+1]= MMC5SPRVPage[((A)>>10)+2]=MMC5SPRVPage[((A)>>10)+3]=&CHRptr[0][(V)<<12]-(A);}} +static INLINE void MMC5BGVROM_BANK4(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask4[0];MMC5BGVPage[(A)>>10]=MMC5BGVPage[((A)>>10)+1]=MMC5BGVPage[((A)>>10)+2]=MMC5BGVPage[((A)>>10)+3]=&CHRptr[0][(V)<<12]-(A);}} + +static INLINE void MMC5SPRVROM_BANK8(uint32 V) {if(CHRptr[0]){V&=CHRmask8[0];MMC5SPRVPage[0]=MMC5SPRVPage[1]=MMC5SPRVPage[2]=MMC5SPRVPage[3]=MMC5SPRVPage[4]=MMC5SPRVPage[5]=MMC5SPRVPage[6]=MMC5SPRVPage[7]=&CHRptr[0][(V)<<13];}} +static INLINE void MMC5BGVROM_BANK8(uint32 V) {if(CHRptr[0]){V&=CHRmask8[0];MMC5BGVPage[0]=MMC5BGVPage[1]=MMC5BGVPage[2]=MMC5BGVPage[3]=MMC5BGVPage[4]=MMC5BGVPage[5]=MMC5BGVPage[6]=MMC5BGVPage[7]=&CHRptr[0][(V)<<13];}} + +static uint8 PRGBanks[4]; +static uint8 WRAMPage; +static uint8 CHRBanksA[8], CHRBanksB[4]; +static uint8 WRAMMaskEnable[2]; +static uint8 ABMode; /* A=0, B=1 */ + +static uint8 IRQScanline,IRQEnable; +static uint8 CHRMode, NTAMirroring, NTFill, ATFill; + +static uint8 MMC5IRQR; +static uint8 MMC5LineCounter; +static uint8 mmc5psize, mmc5vsize; +static uint8 mul[2]; + +static uint8 *WRAM=NULL; +static uint8 *MMC5fill=NULL; +static uint8 *ExRAM=NULL; + +static uint8 MMC5WRAMsize; +static uint8 MMC5WRAMIndex[8]; + +static uint8 MMC5ROMWrProtect[4]; +static uint8 MMC5MemIn[5]; + +static void MMC5CHRA(void); +static void MMC5CHRB(void); + +typedef struct __cartdata { + uint32 crc32; + uint8 size; +} cartdata; + + +// ETROM seems to have 16KB of WRAM, ELROM seems to have 8KB +// EWROM seems to have 32KB of WRAM + +cartdata MMC5CartList[]= +{ + {0x9c18762b,2}, /* L'Empereur */ + {0x26533405,2}, + {0x6396b988,2}, + + {0xaca15643,2}, /* Uncharted Waters */ + {0xfe3488d1,2}, /* Dai Koukai Jidai */ + + {0x15fe6d0f,2}, /* BKAC */ + {0x39f2ce4b,2}, /* Suikoden */ + + {0x8ce478db,2}, /* Nobunaga's Ambition 2 */ + {0xeee9a682,2}, + {0xf9b4240f,2}, + + {0x1ced086f,2}, /* Ishin no Arashi */ + + {0xf540677b,4}, /* Nobunaga...Bushou Fuuun Roku */ + + {0x6f4e4312,4}, /* Aoki Ookami..Genchou */ + + {0xf011e490,4}, /* Romance of the 3 Kingdoms 2 */ + {0x184c2124,4}, /* Sangokushi 2 */ + {0xee8e6553,4}, +}; + +#define MMC5_NOCARTS (sizeof(MMC5CartList)/sizeof(MMC5CartList[0])) +int DetectMMC5WRAMSize(uint32 crc32) +{ + int x; + for(x=0;x8KB external WRAM present. Use UNIF if you hack the ROM image.\n"); + return(MMC5CartList[x].size*8); + } + return(8); +} + +static void BuildWRAMSizeTable(void) +{ + int x; + for(x=0;x<8;x++) + { + switch(MMC5WRAMsize) + { + case 0: MMC5WRAMIndex[x]=255; break; + case 1: MMC5WRAMIndex[x]=(x>3)?255:0; break; + case 2: MMC5WRAMIndex[x]=(x&4)>>2; break; + case 4: MMC5WRAMIndex[x]=(x>3)?255:(x&3); break; + } + } +} + +static void MMC5CHRA(void) +{ + int x; + switch(mmc5vsize&3) + { + case 0: setchr8(CHRBanksA[7]); + MMC5SPRVROM_BANK8(CHRBanksA[7]); + break; + case 1: setchr4(0x0000,CHRBanksA[3]); + setchr4(0x1000,CHRBanksA[7]); + MMC5SPRVROM_BANK4(0x0000,CHRBanksA[3]); + MMC5SPRVROM_BANK4(0x1000,CHRBanksA[7]); + break; + case 2: setchr2(0x0000,CHRBanksA[1]); + setchr2(0x0800,CHRBanksA[3]); + setchr2(0x1000,CHRBanksA[5]); + setchr2(0x1800,CHRBanksA[7]); + MMC5SPRVROM_BANK2(0x0000,CHRBanksA[1]); + MMC5SPRVROM_BANK2(0x0800,CHRBanksA[3]); + MMC5SPRVROM_BANK2(0x1000,CHRBanksA[5]); + MMC5SPRVROM_BANK2(0x1800,CHRBanksA[7]); + break; + case 3: for(x=0;x<8;x++) + { + setchr1(x<<10,CHRBanksA[x]); + MMC5SPRVROM_BANK1(x<<10,CHRBanksA[x]); + } + break; + } +} + +static void MMC5CHRB(void) +{ + int x; + switch(mmc5vsize&3) + { + case 0: setchr8(CHRBanksB[3]); + MMC5BGVROM_BANK8(CHRBanksB[3]); + break; + case 1: setchr4(0x0000,CHRBanksB[3]); + setchr4(0x1000,CHRBanksB[3]); + MMC5BGVROM_BANK4(0x0000,CHRBanksB[3]); + MMC5BGVROM_BANK4(0x1000,CHRBanksB[3]); + break; + case 2: setchr2(0x0000,CHRBanksB[1]); + setchr2(0x0800,CHRBanksB[3]); + setchr2(0x1000,CHRBanksB[1]); + setchr2(0x1800,CHRBanksB[3]); + MMC5BGVROM_BANK2(0x0000,CHRBanksB[1]); + MMC5BGVROM_BANK2(0x0800,CHRBanksB[3]); + MMC5BGVROM_BANK2(0x1000,CHRBanksB[1]); + MMC5BGVROM_BANK2(0x1800,CHRBanksB[3]); + break; + case 3: for(x=0;x<8;x++) + { + setchr1(x<<10,CHRBanksB[x&3]); + MMC5BGVROM_BANK1(x<<10,CHRBanksB[x&3]); + } + break; + } +} + +static void FASTAPASS(2) MMC5WRAM(uint32 A, uint32 V) +{ + //printf("%02x\n",V); + V=MMC5WRAMIndex[V&7]; + if(V!=255) + { + setprg8r(0x10,A,V); + MMC5MemIn[(A-0x6000)>>13]=1; + } + else + MMC5MemIn[(A-0x6000)>>13]=0; +} + +static void MMC5PRG(void) +{ + int x; + switch(mmc5psize&3) + { + case 0: MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]= + MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1; + setprg32(0x8000,((PRGBanks[1]&0x7F)>>2)); + for(x=0;x<4;x++) + MMC5MemIn[1+x]=1; + break; + case 1: if(PRGBanks[1]&0x80) + { + MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1; + setprg16(0x8000,(PRGBanks[1]>>1)); + MMC5MemIn[1]=MMC5MemIn[2]=1; + } + else + { + MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0; + MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE); + MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1); + } + MMC5MemIn[3]=MMC5MemIn[4]=1; + MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1; + setprg16(0xC000,(PRGBanks[3]&0x7F)>>1); + break; + case 2: if(PRGBanks[1]&0x80) + { + MMC5MemIn[1]=MMC5MemIn[2]=1; + MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1; + setprg16(0x8000,(PRGBanks[1]&0x7F)>>1); + } + else + { + MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0; + MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE); + MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1); + } + if(PRGBanks[2]&0x80) + { + MMC5ROMWrProtect[2]=1; + MMC5MemIn[3]=1; + setprg8(0xC000,PRGBanks[2]&0x7F); + } + else + { + MMC5ROMWrProtect[2]=0; + MMC5WRAM(0xC000,PRGBanks[2]&7); + } + MMC5MemIn[4]=1; + MMC5ROMWrProtect[3]=1; + setprg8(0xE000,PRGBanks[3]&0x7F); + break; + case 3: for(x=0;x<3;x++) + if(PRGBanks[x]&0x80) + { + MMC5ROMWrProtect[x]=1; + setprg8(0x8000+(x<<13),PRGBanks[x]&0x7F); + MMC5MemIn[1+x]=1; + } + else + { + MMC5ROMWrProtect[x]=0; + MMC5WRAM(0x8000+(x<<13),PRGBanks[x]&7); + } + MMC5MemIn[4]=1; + MMC5ROMWrProtect[3]=1; + setprg8(0xE000,PRGBanks[3]&0x7F); + break; + } +} + +static DECLFW(Mapper5_write) +{ + if(A>=0x5120&&A<=0x5127) + { + ABMode = 0; + CHRBanksA[A&7]=V; + MMC5CHRA(); + } + else switch(A) + { + case 0x5105: { + int x; + for(x=0;x<4;x++) + { + switch((V>>(x<<1))&3) + { + case 0:PPUNTARAM|=1<>3)&0x1F;break; + case 0x5202: MMC5HackSPPage=V&0x3F;break; + case 0x5203: X6502_IRQEnd(FCEU_IQEXT);IRQScanline=V;break; + case 0x5204: X6502_IRQEnd(FCEU_IQEXT);IRQEnable=V&0x80;break; + case 0x5205: mul[0]=V;break; + case 0x5206: mul[1]=V;break; + } +} + +static DECLFR(MMC5_ReadROMRAM) +{ + if(MMC5MemIn[(A-0x6000)>>13]) + return Page[A>>11][A]; + else + return X.DB; +} + +static DECLFW(MMC5_WriteROMRAM) +{ + if(A>=0x8000) + if(MMC5ROMWrProtect[(A-0x8000)>>13]) return; + if(MMC5MemIn[(A-0x6000)>>13]) + if(((WRAMMaskEnable[0]&3)|((WRAMMaskEnable[1]&3)<<2)) == 6) Page[A>>11][A]=V; +} + +static DECLFW(MMC5_ExRAMWr) +{ + if(MMC5HackCHRMode!=3) + ExRAM[A&0x3ff]=V; +} + +static DECLFR(MMC5_ExRAMRd) +{ + /* Not sure if this is correct, so I'll comment it out for now. */ + //if(MMC5HackCHRMode>=2) + return ExRAM[A&0x3ff]; + //else + // return(X.DB); +} + +static DECLFR(MMC5_read) +{ + switch(A) + { + case 0x5204: X6502_IRQEnd(FCEU_IQEXT); + { + uint8 x; + x=MMC5IRQR; + #ifdef FCEUDEF_DEBUGGER + if(!fceuindbg) + #endif + MMC5IRQR&=0x40; + return x; + } + case 0x5205: return (mul[0]*mul[1]); + case 0x5206: return ((mul[0]*mul[1])>>8); + } + return(X.DB); +} + +void MMC5Synco(void) +{ + int x; + + MMC5PRG(); + for(x=0;x<4;x++) + { + switch((NTAMirroring>>(x<<1))&3) + { + case 0:PPUNTARAM|=1<>4]+=MMC5Sound.raw<<1; +} + +static void Do5PCMHQ() +{ + int32 V; + if(!(MMC5Sound.rawcontrol&0x40) && MMC5Sound.raw) + for(V=MMC5Sound.BC[2];V>2); + MMC5Sound.env[A>>2]=V; + break; + case 0x2: + case 0x6: if(sfun) sfun(A>>2); + MMC5Sound.wl[A>>2]&=~0x00FF; + MMC5Sound.wl[A>>2]|=V&0xFF; + break; + case 0x3: + case 0x7://printf("%04x:$%02x\n",A,V>>3); + MMC5Sound.wl[A>>2]&=~0x0700; + MMC5Sound.wl[A>>2]|=(V&0x07)<<8; + MMC5Sound.running|=1<<(A>>2); + break; + case 0x15:if(sfun) + { + sfun(0); + sfun(1); + } + MMC5Sound.running&=V; + MMC5Sound.enable=V; + //printf("%02x\n",V); + break; + } +} + +static void Do5SQ(int P) +{ + static int tal[4]={1,2,4,6}; + int32 V,amp,rthresh,wl; + int32 start,end; + + start=MMC5Sound.BC[P]; + end=(SOUNDTS<<16)/soundtsinc; + if(end<=start) return; + MMC5Sound.BC[P]=end; + + wl=MMC5Sound.wl[P]+1; + amp=(MMC5Sound.env[P]&0xF)<<4; + rthresh=tal[(MMC5Sound.env[P]&0xC0)>>6]; + + if(wl>=8 && (MMC5Sound.running&(P+1))) + { + int dc,vc; + + wl<<=18; + dc=MMC5Sound.dcount[P]; + vc=MMC5Sound.vcount[P]; + + for(V=start;V>4]+=amp; + vc-=nesincsize; + while(vc<=0) + { + vc+=wl; + dc=(dc+1)&7; + } + } + MMC5Sound.dcount[P]=dc; + MMC5Sound.vcount[P]=vc; + } +} + +static void Do5SQHQ(int P) +{ + static int tal[4]={1,2,4,6}; + int32 V,amp,rthresh,wl; + + wl=MMC5Sound.wl[P]+1; + amp=((MMC5Sound.env[P]&0xF)<<8); + rthresh=tal[(MMC5Sound.env[P]&0xC0)>>6]; + + if(wl>=8 && (MMC5Sound.running&(P+1))) + { + int dc,vc; + + wl<<=1; + + dc=MMC5Sound.dcount[P]; + vc=MMC5Sound.vcount[P]; + for(V=MMC5Sound.BC[P];V=1) + { + sfun=Do5SQHQ; + psfun=Do5PCMHQ; + } + else + { + sfun=Do5SQ; + psfun=Do5PCM; + } + } + else + { + sfun=0; + psfun=0; + } + memset(MMC5Sound.BC,0,sizeof(MMC5Sound.BC)); + memset(MMC5Sound.vcount,0,sizeof(MMC5Sound.vcount)); + GameExpSound.HiSync=MMC5HiSync; +} + +void NSFMMC5_Init(void) +{ + memset(&MMC5Sound,0,sizeof(MMC5Sound)); + mul[0]=mul[1]=0; + ExRAM=(uint8*)FCEU_gmalloc(1024); + Mapper5_ESI(); + SetWriteHandler(0x5c00,0x5fef,MMC5_ExRAMWr); + SetReadHandler(0x5c00,0x5fef,MMC5_ExRAMRd); + MMC5HackCHRMode=2; + SetWriteHandler(0x5000,0x5015,Mapper5_SW); + SetWriteHandler(0x5205,0x5206,Mapper5_write); + SetReadHandler(0x5205,0x5206,MMC5_read); +} + +void NSFMMC5_Close(void) +{ + FCEU_gfree(ExRAM); + ExRAM=0; +} + +static void GenMMC5Reset(void) +{ + int x; + + for(x=0;x<4;x++) PRGBanks[x]=~0; + for(x=0;x<8;x++) CHRBanksA[x]=~0; + for(x=0;x<4;x++) CHRBanksB[x]=~0; + WRAMMaskEnable[0]=WRAMMaskEnable[1]=~0; + + mmc5psize=mmc5vsize=3; + CHRMode=0; + + NTAMirroring=NTFill=ATFill=0xFF; + + MMC5Synco(); + + SetWriteHandler(0x4020,0x5bff,Mapper5_write); + SetReadHandler(0x4020,0x5bff,MMC5_read); + + SetWriteHandler(0x5c00,0x5fff,MMC5_ExRAMWr); + SetReadHandler(0x5c00,0x5fff,MMC5_ExRAMRd); + + SetWriteHandler(0x6000,0xFFFF,MMC5_WriteROMRAM); + SetReadHandler(0x6000,0xFFFF,MMC5_ReadROMRAM); + + SetWriteHandler(0x5000,0x5015,Mapper5_SW); + SetWriteHandler(0x5205,0x5206,Mapper5_write); + SetReadHandler(0x5205,0x5206,MMC5_read); + + //GameHBIRQHook=MMC5_hb; + FCEU_CheatAddRAM(8,0x6000,WRAM); + FCEU_CheatAddRAM(1,0x5c00,ExRAM); +} + +static SFORMAT MMC5_StateRegs[]={ + { PRGBanks, 4, "PRGB"}, + { CHRBanksA, 8, "CHRA"}, + { CHRBanksB, 4, "CHRB"}, + { &WRAMPage, 1, "WRMP"}, + { WRAMMaskEnable, 2, "WRME"}, + { &ABMode, 1, "ABMD"}, + { &IRQScanline, 1, "IRQS"}, + { &IRQEnable, 1, "IRQE"}, + { &CHRMode, 1, "CHRM"}, + { &NTAMirroring, 1, "NTAM"}, + { &NTFill, 1, "NTFL"}, + { &ATFill, 1, "ATFL"}, + + { &MMC5Sound.wl[0], 2|FCEUSTATE_RLSB, "SDW0"}, + { &MMC5Sound.wl[1], 2|FCEUSTATE_RLSB, "SDW1"}, + { MMC5Sound.env, 2, "SDEV"}, + { &MMC5Sound.enable, 1, "SDEN"}, + { &MMC5Sound.running, 1, "SDRU"}, + { &MMC5Sound.raw, 1, "SDRW"}, + { &MMC5Sound.rawcontrol, 1, "SDRC"}, + {0} +}; + +static void GenMMC5_Init(CartInfo *info, int wsize, int battery) +{ + if(wsize) + { + WRAM=(uint8*)FCEU_gmalloc(wsize*1024); + SetupCartPRGMapping(0x10,WRAM,wsize*1024,1); + AddExState(WRAM, wsize*1024, 0, "WRAM"); + } + + MMC5fill=(uint8*)FCEU_gmalloc(1024); + ExRAM=(uint8*)FCEU_gmalloc(1024); + + AddExState(MMC5_StateRegs, ~0, 0, 0); + AddExState(WRAM, wsize*1024, 0, "WRAM"); + AddExState(ExRAM, 1024, 0, "ERAM"); + AddExState(&MMC5HackSPMode, 1, 0, "SPLM"); + AddExState(&MMC5HackSPScroll, 1, 0, "SPLS"); + AddExState(&MMC5HackSPPage, 1, 0, "SPLP"); + + MMC5WRAMsize=wsize/8; + BuildWRAMSizeTable(); + GameStateRestore=MMC5_StateRestore; + info->Power=GenMMC5Reset; + + if(battery) + { + info->SaveGame[0]=WRAM; + if(wsize<=16) + info->SaveGameLen[0]=8192; + else + info->SaveGameLen[0]=32768; + } + + MMC5HackVROMMask=CHRmask4[0]; + MMC5HackExNTARAMPtr=ExRAM; + MMC5Hack=1; + MMC5HackVROMPTR=CHRptr[0]; + MMC5HackCHRMode=0; + MMC5HackSPMode=MMC5HackSPScroll=MMC5HackSPPage=0; + Mapper5_ESI(); +} + +void Mapper5_Init(CartInfo *info) +{ + GenMMC5_Init(info, DetectMMC5WRAMSize(info->CRC32), info->battery); +} + +// ELROM seems to have 0KB of WRAM +// EKROM seems to have 8KB of WRAM +// ETROM seems to have 16KB of WRAM +// EWROM seems to have 32KB of WRAM + +// ETROM and EWROM are battery-backed, EKROM isn't. + +void ETROM_Init(CartInfo *info) +{ + GenMMC5_Init(info, 16,info->battery); +} + +void ELROM_Init(CartInfo *info) +{ + GenMMC5_Init(info,0,0); +} + +void EWROM_Init(CartInfo *info) +{ + GenMMC5_Init(info,32,info->battery); +} + +void EKROM_Init(CartInfo *info) +{ + GenMMC5_Init(info,8,info->battery); +}