-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- * Copyright (C) 2002 Ben Parnell
- *
- * 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"
-
-void MMC5Sound(int Count);
-void Do5SQ(int P);
-
-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 int32 inc;
-uint8 MMC5fill[0x400] __attribute__ ((aligned (4)));
-
-#define MMC5IRQR mapbyte3[4]
-#define MMC5LineCounter mapbyte3[5]
-#define mmc5psize mapbyte1[0]
-#define mmc5vsize mapbyte1[1]
-
-uint8 MMC5WRAMsize;
-uint8 MMC5WRAMIndex[8];
-
-uint8 MMC5ROMWrProtect[4];
-uint8 MMC5MemIn[5];
-
-static void MMC5CHRA(void);
-static void MMC5CHRB(void);
-
-typedef struct __cartdata {
- unsigned long crc32;
- unsigned char size;
-} cartdata;
-
-
-// ETROM seems to have 16KB of WRAM, ELROM seems to have 8KB
-// EWROM seems to have 32KB of WRAM
-
-#define MMC5_NOCARTS 14
-cartdata MMC5CartList[MMC5_NOCARTS]=
-{
- {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},
-
- {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 */
-};
-
-
-// Called by iNESLoad()
-void DetectMMC5WRAMSize(void)
-{
- int x;
-
- MMC5WRAMsize=1;
-
- for(x=0;x<MMC5_NOCARTS;x++)
- if(iNESGameCRC32==MMC5CartList[x].crc32)
- {
- MMC5WRAMsize=MMC5CartList[x].size;
- break;
- }
-}
-
-static void BuildWRAMSizeTable(void)
-{
- int x;
-
- for(x=0;x<8;x++)
- {
- switch(MMC5WRAMsize)
- {
- default:
- 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(mapbyte1[1]&3)
- {
- case 0:MMC5SPRVROM_BANK8(mapbyte2[7]);
- setchr8(mapbyte2[7]);
- break;
- case 1:MMC5SPRVROM_BANK4(0x0000,mapbyte2[3]);
- MMC5SPRVROM_BANK4(0x1000,mapbyte2[7]);
- setchr4(0x0000,mapbyte2[3]);
- setchr4(0x1000,mapbyte2[7]);
- break;
- case 2:MMC5SPRVROM_BANK2(0x0000,mapbyte2[1]);
- MMC5SPRVROM_BANK2(0x0800,mapbyte2[3]);
- MMC5SPRVROM_BANK2(0x1000,mapbyte2[5]);
- MMC5SPRVROM_BANK2(0x1800,mapbyte2[7]);
- setchr2(0x0000,mapbyte2[1]);
- setchr2(0x0800,mapbyte2[3]);
- setchr2(0x1000,mapbyte2[5]);
- setchr2(0x1800,mapbyte2[7]);
- break;
- case 3:
- for(x=0;x<8;x++)
- {
- setchr1(x<<10,mapbyte2[x]);
- MMC5SPRVROM_BANK1(x<<10,mapbyte2[x]);
- }
- break;
- }
-}
-
-static void MMC5CHRB(void)
-{
-int x;
-switch(mapbyte1[1]&3)
- {
- case 0:MMC5BGVROM_BANK8(mapbyte3[3]);
- setchr8(mapbyte3[3]);
- break;
- case 1:
- MMC5BGVROM_BANK4(0x0000,mapbyte3[3]);
- MMC5BGVROM_BANK4(0x1000,mapbyte3[3]);
- setchr4(0x0000,mapbyte3[3]);
- setchr4(0x1000,mapbyte3[3]);
- break;
- case 2:MMC5BGVROM_BANK2(0x0000,mapbyte3[1]);
- MMC5BGVROM_BANK2(0x0800,mapbyte3[3]);
- MMC5BGVROM_BANK2(0x1000,mapbyte3[1]);
- MMC5BGVROM_BANK2(0x1800,mapbyte3[3]);
- setchr2(0x0000,mapbyte3[1]);
- setchr2(0x0800,mapbyte3[3]);
- setchr2(0x1000,mapbyte3[1]);
- setchr2(0x1800,mapbyte3[3]);
- break;
- case 3:
- for(x=0;x<8;x++)
- {
- setchr1(x<<10,mapbyte3[x&3]);
- MMC5BGVROM_BANK1(x<<10,mapbyte3[x&3]);
- }
- break;
- }
-}
-
-static void FASTAPASS(2) MMC5WRAM(uint32 A, uint32 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(mapbyte1[0]&3)
- {
- case 0:
- MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=
- MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1;
- setprg32(0x8000,((mapbyte1[5]&0x7F)>>2));
- X6502_Rebase();
- for(x=0;x<4;x++)
- MMC5MemIn[1+x]=1;
- break;
- case 1:
- if(mapbyte1[5]&0x80)
- {
- MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1;
- setprg16(0x8000,(mapbyte1[5]>>1));
- MMC5MemIn[1]=MMC5MemIn[2]=1;
- }
- else
- {
- MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0;
- MMC5WRAM(0x8000,mapbyte1[5]&7&0xFE);
- MMC5WRAM(0xA000,(mapbyte1[5]&7&0xFE)+1);
- }
- MMC5MemIn[3]=MMC5MemIn[4]=1;
- MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1;
- setprg16(0xC000,(mapbyte1[7]&0x7F)>>1);
- break;
- case 2:
- if(mapbyte1[5]&0x80)
- {
- MMC5MemIn[1]=MMC5MemIn[2]=1;
- MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1;
- setprg16(0x8000,(mapbyte1[5]&0x7F)>>1);
- }
- else
- {
- MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0;
- MMC5WRAM(0x8000,mapbyte1[5]&7&0xFE);
- MMC5WRAM(0xA000,(mapbyte1[5]&7&0xFE)+1);
- }
- if(mapbyte1[6]&0x80)
- {MMC5ROMWrProtect[2]=1;MMC5MemIn[3]=1;setprg8(0xC000,mapbyte1[6]&0x7F);}
- else
- {MMC5ROMWrProtect[2]=0;MMC5WRAM(0xC000,mapbyte1[6]&7);}
- MMC5MemIn[4]=1;
- MMC5ROMWrProtect[3]=1;
- setprg8(0xE000,mapbyte1[7]&0x7F);
- break;
- case 3:
- for(x=0;x<3;x++)
- if(mapbyte1[4+x]&0x80)
- {
- MMC5ROMWrProtect[0]=1;
- setprg8(0x8000+(x<<13),mapbyte1[4+x]&0x7F);
- MMC5MemIn[1+x]=1;
- }
- else
- {
- MMC5ROMWrProtect[0]=0;
- MMC5WRAM(0x8000+(x<<13),mapbyte1[4+x]&7);
- }
- MMC5MemIn[4]=1;
- MMC5ROMWrProtect[3]=1;
- setprg8(0xE000,mapbyte1[7]&0x7F);
- break;
- }
-}
-
-#define mul1 mapbyte3[6]
-#define mul2 mapbyte3[7]
-
-static DECLFW(Mapper5_write)
-{
- switch(A)
- {
- default:break;
- case 0x5105:
- {
- int x;
- for(x=0;x<4;x++)
- {
- switch((V>>(x<<1))&3)
- {
- case 0:PPUNTARAM|=1<<x;vnapage[x]=NTARAM;break;
- case 1:PPUNTARAM|=1<<x;vnapage[x]=NTARAM+0x400;break;
- case 2:PPUNTARAM|=1<<x;vnapage[x]=MapperExRAM+0x6000;break;
- case 3:PPUNTARAM&=~(1<<x);vnapage[x]=MMC5fill;break;
- }
- }
- }
- mapbyte4[3]=V;
- break;
-
- case 0x5113:mapbyte4[6]=V;MMC5WRAM(0x6000,V&7);
- X6502_Rebase();break;
- case 0x5100:mapbyte1[0]=V;MMC5PRG();
- X6502_Rebase();break;
- case 0x5101:mapbyte1[1]=V;
- if(!mapbyte4[7])
- {MMC5CHRB();MMC5CHRA();}
- else
- {MMC5CHRA();MMC5CHRB();}
- break;
-
- case 0x5114:
- case 0x5115:
- case 0x5116:
- case 0x5117:
- mapbyte1[A&7]=V;MMC5PRG();
- X6502_Rebase();break;
-
- case 0x5120:
- case 0x5121:
- case 0x5122:
- case 0x5123:
- case 0x5124:
- case 0x5125:
- case 0x5126:
- case 0x5127:mapbyte4[7]=0;
- mapbyte2[A&7]=V;MMC5CHRA();break;
- case 0x5128:
- case 0x5129:
- case 0x512a:
- case 0x512b:mapbyte4[7]=1;
- mapbyte3[A&3]=V;MMC5CHRB();break;
- case 0x5102:mapbyte4[0]=V;break;
- case 0x5103:mapbyte4[1]=V;break;
- case 0x5104:mapbyte4[2]=V;MMC5HackCHRMode=V&3;break;
- case 0x5106:if(V!=mapbyte4[4])
- {
- uint32 t;
- t=V|(V<<8)|(V<<16)|(V<<24);
- FCEU_dwmemset(MMC5fill,t,0x3c0);
- }
- mapbyte4[4]=V;
- break;
- case 0x5107:if(V!=mapbyte4[5])
- {
- unsigned char moop;
- uint32 t;
- moop=V|(V<<2)|(V<<4)|(V<<6);
- t=moop|(moop<<8)|(moop<<16)|(moop<<24);
- FCEU_dwmemset(MMC5fill+0x3c0,t,0x40);
- }
- mapbyte4[5]=V;
- break;
- case 0x5200:MMC5HackSPMode=V;break;
- case 0x5201:MMC5HackSPScroll=(V>>3)&0x1F;break;
- case 0x5202:MMC5HackSPPage=V&0x3F;break;
- case 0x5203:X6502_IRQEnd(FCEU_IQEXT);IRQCount=V;break;
- case 0x5204:X6502_IRQEnd(FCEU_IQEXT);IRQa=V&0x80;break;
- case 0x5205:mul1=V;break;
- case 0x5206:mul2=V;break;
- }
-}
-
-DECLFR(MMC5_ReadROMRAM)
-{
- if(MMC5MemIn[(A-0x6000)>>13])
- return Page[A>>11][A];
- else
- return X.DB;
-}
-
-DECLFW(MMC5_WriteROMRAM)
-{
- if(A>=0x8000)
- if(MMC5ROMWrProtect[(A-0x8000)>>13])
- return;
- if(MMC5MemIn[(A-0x6000)>>13])
- if(((mapbyte4[0]&3)|((mapbyte4[1]&3)<<2)) == 6)
- Page[A>>11][A]=V;
-}
-
-static DECLFW(MMC5_ExRAMWr)
-{
- if(MMC5HackCHRMode!=3)
- (MapperExRAM+0x6000)[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 (MapperExRAM+0x6000)[A&0x3ff];
- //else
- // return(X.DB);
-}
-
-static DECLFR(MMC5_read)
-{
- switch(A)
- {
- //default:printf("$%04x\n",A);break;
- case 0x5204:X6502_IRQEnd(FCEU_IQEXT);
- {
- uint8 x;
- x=MMC5IRQR;
- MMC5IRQR&=0x40;
- return x;
- }
- case 0x5205:return (mul1*mul2);
- case 0x5206:return ((mul1*mul2)>>8);
- }
- return(X.DB);
-}
-
-uint8 dorko[0x400];
-
-void MMC5Synco(void)
-{
- int x;
-
- MMC5PRG();
- for(x=0;x<4;x++)
- {
- switch((mapbyte4[3]>>(x<<1))&3)
- {
- case 0:PPUNTARAM|=1<<x;vnapage[x]=NTARAM;break;
- case 1:PPUNTARAM|=1<<x;vnapage[x]=NTARAM+0x400;break;
- case 2:PPUNTARAM|=1<<x;vnapage[x]=MapperExRAM+0x6000;break;
- case 3:PPUNTARAM&=~(1<<x);vnapage[x]=MMC5fill;break;
- }
- }
- MMC5WRAM(0x6000,mapbyte4[6]&7);
- if(!mapbyte4[7])
- {
- MMC5CHRB();
- MMC5CHRA();
- }
- else
- {
- MMC5CHRA();
- MMC5CHRB();
- }
- {
- uint32 t;
- t=mapbyte4[4]|(mapbyte4[4]<<8)|(mapbyte4[4]<<16)|(mapbyte4[4]<<24);
- FCEU_dwmemset(MMC5fill,t,0x3c0);
- }
- {
- unsigned char moop;
- uint32 t;
- moop=mapbyte4[5]|(mapbyte4[5]<<2)|(mapbyte4[5]<<4)|(mapbyte4[5]<<6);
- t=moop|(moop<<8)|(moop<<16)|(moop<<24);
- FCEU_dwmemset(MMC5fill+0x3c0,t,0x40);
- }
- X6502_IRQEnd(FCEU_IQEXT);
- MMC5HackCHRMode=mapbyte4[2]&3;
- X6502_Rebase();
-}
-
-void MMC5_hbo(void)
-{
- if(scanline==0)
- MMC5LineCounter=0;
-
- if(MMC5LineCounter<245)
- {
- MMC5LineCounter++;
- if(MMC5LineCounter==IRQCount) MMC5IRQR|=0x80;
- if((MMC5LineCounter==IRQCount && IRQa&0x80))
- X6502_IRQBegin(FCEU_IQEXT);
- }
- if(MMC5LineCounter>=239)
- MMC5IRQR|=0x40;
-}
-
-void MMC5_hb(void)
-{
- if(scanline==240)
- {
- MMC5LineCounter=0;
- MMC5IRQR=0x40;
- return;
- }
-
- if(MMC5LineCounter<240)
- {
- MMC5LineCounter++;
- if(MMC5LineCounter==IRQCount)
- {
- MMC5IRQR|=0x80;
- if(IRQa&0x80)
- X6502_IRQBegin(FCEU_IQEXT);
- }
- }
-// printf("%d:%d\n",MMC5LineCounter,scanline);
- if(MMC5LineCounter==240)
- MMC5IRQR=0;
-}
-
-void Mapper5_StateRestore(int version)
-{
- if(version<=70)
- {
- uint8 tmp[8192];
-
- FCEU_memmove(tmp,MapperExRAM,8192);
- FCEU_memmove(MapperExRAM,MapperExRAM+8192,16384+8192);
- FCEU_memmove(MapperExRAM+16384+8192,tmp,8192);
- }
- MMC5Synco();
-}
-
-#define MMC5PSG (MapperExRAM+0x640B+8)
-
-static int C5BC[3]={0,0,0};
-
-static void Do5PCM(void)
-{
- int32 V;
- int32 start,end;
-
- start=C5BC[2];
- end=(SOUNDTS<<16)/soundtsinc;
- if(end<=start) return;
- C5BC[2]=end;
-
- if(!(MMC5PSG[0x10]&0x40) && MMC5PSG[0x11])
- for(V=start;V<end;V++)
- Wave[V>>4]+=MMC5PSG[0x11]<<2;
-}
-
-DECLFW(Mapper5_SW)
-{
- GameExpSound.Fill=MMC5Sound;
- A&=0x1F;
-
- switch(A)
- {
- case 0x10:
- case 0x11:Do5PCM();break;
-
- case 0x0:Do5SQ(0);break;
- case 0x2:Do5SQ(0);break;
- case 0x3:Do5SQ(0);break;
- case 0x4:Do5SQ(1);break;
- case 0x6:Do5SQ(1);break;
- case 0x7:Do5SQ(1);break;
- case 0x15:
- {
- int t=V^MMC5PSG[0x15];
- if(t&1)
- Do5SQ(0);
- if(t&2)
- Do5SQ(1);
- }
- break;
- }
- MMC5PSG[A]=V;
-}
-
-static int32 vcount[2];
-void Do5SQ(int P)
-{
- int32 start,end;
- int V;
- int32 freq;
-
- start=C5BC[P];
- end=(SOUNDTS<<16)/soundtsinc;
- if(end<=start) return;
- C5BC[P]=end;
-
-
-
- if(MMC5PSG[0x15]&(P+1))
- {
- unsigned long dcycs;
- unsigned char amplitude;
- long vcoo;
-
- freq=(((MMC5PSG[(P<<2)+0x2]|((MMC5PSG[(P<<2)+0x3]&7)<<8))));
-
- if(freq<8) goto mmc5enda;
- freq+=1;
- inc=(long double)((unsigned long)((FSettings.SndRate OVERSAMPLE)<<12))/((long double)PSG_base/freq);
-
- switch(MMC5PSG[P<<2]&0xC0)
- {
- default:
- case 0x00:dcycs=inc>>3;break;
- case 0x40:dcycs=inc>>2;break;
- case 0x80:dcycs=inc>>1;break;
- case 0xC0:dcycs=(inc+inc+inc)>>2;break;
- }
-
- amplitude=(MMC5PSG[P<<2]&15)<<4;
-
- vcoo=vcount[P];
- for(V=start;V<end;V++)
- {
- if(vcoo<dcycs)
- Wave[V>>4]+=amplitude;
- vcoo+=0x1000;
- if(vcoo>=inc) vcoo-=inc;
- }
- vcount[P]=vcoo;
- }
- mmc5enda:; // semi-colon must be here for MSVC
-}
-
-void MMC5Sound(int Count)
-{
- int x;
- Do5SQ(0);
- Do5SQ(1);
- Do5PCM();
- for(x=0;x<3;x++)
- C5BC[x]=Count;
-}
-
-static void MMC5SoundC(void)
-{
- if(FSettings.SndRate)
- Mapper5_ESI();
- else
- SetWriteHandler(0x5000,0x5015,0);
-}
-
-void Mapper5_ESI(void)
-{
- GameExpSound.RChange=MMC5SoundC;
-
- if(FSettings.SndRate)
- {
- SetWriteHandler(0x5000,0x5015,Mapper5_SW);
- SetWriteHandler(0x5205,0x5206,Mapper5_write);
- SetReadHandler(0x5205,0x5206,MMC5_read);
- }
- if(FCEUGameInfo.type==GIT_NSF)
- {
- SetWriteHandler(0x5c00,0x5fef,MMC5_ExRAMWr);
- SetReadHandler(0x5c00,0x5fef,MMC5_ExRAMRd);
- MMC5HackCHRMode=2;
- }
- else
- GameHBIRQHook=MMC5_hb;
-}
-
-static void GenMMC5Reset(void)
-{
- mapbyte1[4]=mapbyte1[5]=mapbyte1[6]=mapbyte1[7]=~0;
- mapbyte1[0]=mapbyte1[1]=3;
- mapbyte4[2]=0;
-
- mapbyte4[3]=mapbyte4[4]=mapbyte4[5]=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);
-
- Mapper5_ESI();
-
- GameHBIRQHook=MMC5_hb;
- FCEU_CheatAddRAM(8,0x6000,WRAM);
- FCEU_CheatAddRAM(1,0x5c00,MapperExRAM+0x6000);
-}
-
-void Mapper5_init(void)
-{
- AddExState(&MMC5HackSPMode, 1, 0, "SPLM");
- AddExState(&MMC5HackSPScroll, 1, 0, "SPLS");
- AddExState(&MMC5HackSPPage, 1, 0, "SPLP");
- SetupCartPRGMapping(0x10,WRAM,32768,1);
- GenMMC5Reset();
- BuildWRAMSizeTable();
- GameStateRestore=Mapper5_StateRestore;
-}
-
-static int m5boo;
-static void GenMMC5_Close(void)
-{
- UNIFOpenWRAM(UOW_WR,0,1);
- if(m5boo<=16)
- UNIFWriteWRAM(WRAM,8192);
- else
- UNIFWriteWRAM(WRAM,32768);
- UNIFCloseWRAM();
-}
-
-static void GenMMC5_Init(int wsize, int battery)
-{
- SetupCartPRGMapping(0x10,WRAM,32768,1);
- AddExState(WRAM, 8192, 0, "WRAM");
- AddExState(MapperExRAM, 32768, 0, "MEXR");
- AddExState(&IRQCount, 4, 1, "IRQC");
- AddExState(&IRQa, 1, 0, "IRQA");
- AddExState(mapbyte1, 32, 0, "MPBY");
- AddExState(&MMC5HackSPMode, 1, 0, "SPLM");
- AddExState(&MMC5HackSPScroll, 1, 0, "SPLS");
- AddExState(&MMC5HackSPPage, 1, 0, "SPLP");
-
- MMC5WRAMsize=wsize/8;
- BuildWRAMSizeTable();
- GameStateRestore=Mapper5_StateRestore;
- BoardPower=GenMMC5Reset;
-
- if(battery)
- {
- UNIFOpenWRAM(UOW_RD,0,1);
- if(wsize<=16)
- UNIFReadWRAM(WRAM,8192);
- else
- UNIFReadWRAM(WRAM,32768);
- UNIFCloseWRAM();
- BoardClose=GenMMC5_Close;
- m5boo=wsize;
- }
-
- MMC5HackVROMMask=CHRmask4[0];
- MMC5HackExNTARAMPtr=MapperExRAM+0x6000;
- MMC5Hack=1;
- MMC5HackVROMPTR=CHRptr[0];
- MMC5HackCHRMode=0;
- MMC5HackSPMode=MMC5HackSPScroll=MMC5HackSPPage=0;
-
-}
-
-// ETROM seems to have 16KB of WRAM, ELROM seems to have 8KB
-// EWROM seems to have 32KB of WRAM
-
-// ETROM and EWROM are battery-backed, ELROM isn't.
-
-void ETROM_Init(void)
-{
- GenMMC5_Init(16,1);
-}
-
-void ELROM_Init(void)
-{
- GenMMC5_Init(8,0);
-}
-
-void EWROM_Init(void)
-{
- GenMMC5_Init(32,1);
-}
-
-void EKROM_Init(void)
-{
- GenMMC5_Init(8,1);
-}
notaz.gp2x.de / fceu.git / commitdiff