mirror of
https://github.com/dborth/fceugx.git
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835 lines
20 KiB
C
835 lines
20 KiB
C
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* None of this code should use any of the iNES bank switching wrappers. */
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#include "mapinc.h"
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static void (*sfun)(int P);
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static void (*psfun)(void);
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void MMC5RunSound(int Count);
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void MMC5RunSoundHQ(void);
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static INLINE void MMC5SPRVROM_BANK1(uint32 A,uint32 V)
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{
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if(CHRptr[0])
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{
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V&=CHRmask1[0];
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MMC5SPRVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A);
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}
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}
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static INLINE void MMC5BGVROM_BANK1(uint32 A,uint32 V) {if(CHRptr[0]){V&=CHRmask1[0];MMC5BGVPage[(A)>>10]=&CHRptr[0][(V)<<10]-(A);}}
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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);}}
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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);}}
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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);}}
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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);}}
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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];}}
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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];}}
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static uint8 PRGBanks[4];
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static uint8 WRAMPage;
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static uint8 CHRBanksA[8], CHRBanksB[4];
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static uint8 WRAMMaskEnable[2];
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static uint8 ABMode; /* A=0, B=1 */
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static uint8 IRQScanline,IRQEnable;
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static uint8 CHRMode, NTAMirroring, NTFill, ATFill;
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static uint8 MMC5IRQR;
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static uint8 MMC5LineCounter;
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static uint8 mmc5psize, mmc5vsize;
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static uint8 mul[2];
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static uint8 *WRAM=NULL;
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static uint8 *MMC5fill=NULL;
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static uint8 *ExRAM=NULL;
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static uint8 MMC5WRAMsize;
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static uint8 MMC5WRAMIndex[8];
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static uint8 MMC5ROMWrProtect[4];
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static uint8 MMC5MemIn[5];
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static void MMC5CHRA(void);
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static void MMC5CHRB(void);
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typedef struct __cartdata {
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uint32 crc32;
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uint8 size;
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} cartdata;
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// ETROM seems to have 16KB of WRAM, ELROM seems to have 8KB
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// EWROM seems to have 32KB of WRAM
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#define MMC5_NOCARTS 14
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cartdata MMC5CartList[MMC5_NOCARTS]=
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{
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{0x9c18762b,2}, /* L'Empereur */
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{0x26533405,2},
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{0x6396b988,2},
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{0xaca15643,2}, /* Uncharted Waters */
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{0xfe3488d1,2}, /* Dai Koukai Jidai */
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{0x15fe6d0f,2}, /* BKAC */
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{0x39f2ce4b,2}, /* Suikoden */
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{0x8ce478db,2}, /* Nobunaga's Ambition 2 */
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{0xeee9a682,2},
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{0x1ced086f,2}, /* Ishin no Arashi */
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{0xf540677b,4}, /* Nobunaga...Bushou Fuuun Roku */
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{0x6f4e4312,4}, /* Aoki Ookami..Genchou */
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{0xf011e490,4}, /* Romance of the 3 Kingdoms 2 */
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{0x184c2124,4}, /* Sangokushi 2 */
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};
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int DetectMMC5WRAMSize(uint32 crc32)
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{
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int x;
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for(x=0;x<MMC5_NOCARTS;x++)
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if(crc32==MMC5CartList[x].crc32)
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{
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FCEU_printf(" >8KB external WRAM present. Use UNIF if you hack the ROM image.\n");
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return(MMC5CartList[x].size*8);
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}
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return(8);
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}
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static void BuildWRAMSizeTable(void)
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{
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int x;
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for(x=0;x<8;x++)
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{
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switch(MMC5WRAMsize)
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{
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case 0: MMC5WRAMIndex[x]=255; break;
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case 1: MMC5WRAMIndex[x]=(x>3)?255:0; break;
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case 2: MMC5WRAMIndex[x]=(x&4)>>2; break;
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case 4: MMC5WRAMIndex[x]=(x>3)?255:(x&3); break;
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}
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}
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}
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static void MMC5CHRA(void)
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{
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int x;
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switch(mmc5vsize&3)
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{
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case 0: setchr8(CHRBanksA[7]);
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MMC5SPRVROM_BANK8(CHRBanksA[7]);
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break;
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case 1: setchr4(0x0000,CHRBanksA[3]);
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setchr4(0x1000,CHRBanksA[7]);
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MMC5SPRVROM_BANK4(0x0000,CHRBanksA[3]);
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MMC5SPRVROM_BANK4(0x1000,CHRBanksA[7]);
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break;
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case 2: setchr2(0x0000,CHRBanksA[1]);
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setchr2(0x0800,CHRBanksA[3]);
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setchr2(0x1000,CHRBanksA[5]);
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setchr2(0x1800,CHRBanksA[7]);
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MMC5SPRVROM_BANK2(0x0000,CHRBanksA[1]);
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MMC5SPRVROM_BANK2(0x0800,CHRBanksA[3]);
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MMC5SPRVROM_BANK2(0x1000,CHRBanksA[5]);
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MMC5SPRVROM_BANK2(0x1800,CHRBanksA[7]);
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break;
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case 3: for(x=0;x<8;x++)
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{
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setchr1(x<<10,CHRBanksA[x]);
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MMC5SPRVROM_BANK1(x<<10,CHRBanksA[x]);
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}
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break;
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}
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}
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static void MMC5CHRB(void)
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{
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int x;
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switch(mmc5vsize&3)
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{
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case 0: setchr8(CHRBanksB[3]);
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MMC5BGVROM_BANK8(CHRBanksB[3]);
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break;
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case 1: setchr4(0x0000,CHRBanksB[3]);
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setchr4(0x1000,CHRBanksB[3]);
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MMC5BGVROM_BANK4(0x0000,CHRBanksB[3]);
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MMC5BGVROM_BANK4(0x1000,CHRBanksB[3]);
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break;
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case 2: setchr2(0x0000,CHRBanksB[1]);
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setchr2(0x0800,CHRBanksB[3]);
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setchr2(0x1000,CHRBanksB[1]);
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setchr2(0x1800,CHRBanksB[3]);
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MMC5BGVROM_BANK2(0x0000,CHRBanksB[1]);
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MMC5BGVROM_BANK2(0x0800,CHRBanksB[3]);
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MMC5BGVROM_BANK2(0x1000,CHRBanksB[1]);
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MMC5BGVROM_BANK2(0x1800,CHRBanksB[3]);
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break;
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case 3: for(x=0;x<8;x++)
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{
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setchr1(x<<10,CHRBanksB[x&3]);
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MMC5BGVROM_BANK1(x<<10,CHRBanksB[x&3]);
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}
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break;
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}
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}
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static void FASTAPASS(2) MMC5WRAM(uint32 A, uint32 V)
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{
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//printf("%02x\n",V);
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V=MMC5WRAMIndex[V&7];
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if(V!=255)
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{
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setprg8r(0x10,A,V);
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MMC5MemIn[(A-0x6000)>>13]=1;
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}
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else
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MMC5MemIn[(A-0x6000)>>13]=0;
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}
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static void MMC5PRG(void)
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{
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int x;
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switch(mmc5psize&3)
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{
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case 0: MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=
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MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1;
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setprg32(0x8000,((PRGBanks[1]&0x7F)>>2));
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for(x=0;x<4;x++)
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MMC5MemIn[1+x]=1;
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break;
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case 1: if(PRGBanks[1]&0x80)
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{
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MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1;
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setprg16(0x8000,(PRGBanks[1]>>1));
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MMC5MemIn[1]=MMC5MemIn[2]=1;
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}
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else
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{
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MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0;
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MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE);
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MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1);
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}
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MMC5MemIn[3]=MMC5MemIn[4]=1;
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MMC5ROMWrProtect[2]=MMC5ROMWrProtect[3]=1;
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setprg16(0xC000,(PRGBanks[3]&0x7F)>>1);
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break;
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case 2: if(PRGBanks[1]&0x80)
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{
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MMC5MemIn[1]=MMC5MemIn[2]=1;
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MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=1;
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setprg16(0x8000,(PRGBanks[1]&0x7F)>>1);
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}
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else
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{
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MMC5ROMWrProtect[0]=MMC5ROMWrProtect[1]=0;
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MMC5WRAM(0x8000,PRGBanks[1]&7&0xFE);
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MMC5WRAM(0xA000,(PRGBanks[1]&7&0xFE)+1);
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}
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if(PRGBanks[2]&0x80)
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{
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MMC5ROMWrProtect[2]=1;
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MMC5MemIn[3]=1;
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setprg8(0xC000,PRGBanks[2]&0x7F);
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}
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else
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{
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MMC5ROMWrProtect[2]=0;
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MMC5WRAM(0xC000,PRGBanks[2]&7);
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}
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MMC5MemIn[4]=1;
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MMC5ROMWrProtect[3]=1;
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setprg8(0xE000,PRGBanks[3]&0x7F);
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break;
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case 3: for(x=0;x<3;x++)
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if(PRGBanks[x]&0x80)
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{
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MMC5ROMWrProtect[x]=1;
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setprg8(0x8000+(x<<13),PRGBanks[x]&0x7F);
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MMC5MemIn[1+x]=1;
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}
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else
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{
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MMC5ROMWrProtect[x]=0;
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MMC5WRAM(0x8000+(x<<13),PRGBanks[x]&7);
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}
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MMC5MemIn[4]=1;
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MMC5ROMWrProtect[3]=1;
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setprg8(0xE000,PRGBanks[3]&0x7F);
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break;
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}
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}
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static DECLFW(Mapper5_write)
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{
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if(A>=0x5120&&A<=0x5127)
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{
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ABMode = 0;
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CHRBanksA[A&7]=V;
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MMC5CHRA();
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}
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else switch(A)
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{
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case 0x5105: {
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int x;
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for(x=0;x<4;x++)
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{
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switch((V>>(x<<1))&3)
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{
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case 0:PPUNTARAM|=1<<x;vnapage[x]=NTARAM;break;
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case 1:PPUNTARAM|=1<<x;vnapage[x]=NTARAM+0x400;break;
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case 2:PPUNTARAM|=1<<x;vnapage[x]=ExRAM;break;
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case 3:PPUNTARAM&=~(1<<x);vnapage[x]=MMC5fill;break;
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}
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}
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}
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NTAMirroring=V;
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break;
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case 0x5113: WRAMPage=V;MMC5WRAM(0x6000,V&7);break;
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case 0x5100: mmc5psize=V;MMC5PRG();break;
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case 0x5101: mmc5vsize=V;
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if(!ABMode)
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{ MMC5CHRB();MMC5CHRA();}
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else
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{ MMC5CHRA();MMC5CHRB();}
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break;
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case 0x5114:
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case 0x5115:
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case 0x5116:
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case 0x5117: PRGBanks[A&3]=V;MMC5PRG();break;
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case 0x5128:
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case 0x5129:
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case 0x512a:
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case 0x512b: ABMode=1;
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CHRBanksB[A&3]=V;
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MMC5CHRB();
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break;
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case 0x5102: WRAMMaskEnable[0]=V;break;
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case 0x5103: WRAMMaskEnable[1]=V;break;
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case 0x5104: CHRMode=V;MMC5HackCHRMode=V&3;break;
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case 0x5106: if(V!=NTFill)
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{
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uint32 t;
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t=V|(V<<8)|(V<<16)|(V<<24);
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FCEU_dwmemset(MMC5fill,t,0x3c0);
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}
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NTFill=V;
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break;
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case 0x5107: if(V!=ATFill)
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{
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unsigned char moop;
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uint32 t;
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moop=V|(V<<2)|(V<<4)|(V<<6);
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t=moop|(moop<<8)|(moop<<16)|(moop<<24);
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FCEU_dwmemset(MMC5fill+0x3c0,t,0x40);
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}
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ATFill=V;
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break;
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case 0x5200: MMC5HackSPMode=V;break;
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case 0x5201: MMC5HackSPScroll=(V>>3)&0x1F;break;
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case 0x5202: MMC5HackSPPage=V&0x3F;break;
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case 0x5203: X6502_IRQEnd(FCEU_IQEXT);IRQScanline=V;break;
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case 0x5204: X6502_IRQEnd(FCEU_IQEXT);IRQEnable=V&0x80;break;
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case 0x5205: mul[0]=V;break;
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case 0x5206: mul[1]=V;break;
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}
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}
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static DECLFR(MMC5_ReadROMRAM)
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{
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if(MMC5MemIn[(A-0x6000)>>13])
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return Page[A>>11][A];
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else
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return X.DB;
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}
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static DECLFW(MMC5_WriteROMRAM)
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{
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if(A>=0x8000)
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if(MMC5ROMWrProtect[(A-0x8000)>>13]) return;
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if(MMC5MemIn[(A-0x6000)>>13])
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if(((WRAMMaskEnable[0]&3)|((WRAMMaskEnable[1]&3)<<2)) == 6) Page[A>>11][A]=V;
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}
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static DECLFW(MMC5_ExRAMWr)
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{
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if(MMC5HackCHRMode!=3)
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ExRAM[A&0x3ff]=V;
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}
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static DECLFR(MMC5_ExRAMRd)
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{
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/* Not sure if this is correct, so I'll comment it out for now. */
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//if(MMC5HackCHRMode>=2)
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return ExRAM[A&0x3ff];
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//else
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// return(X.DB);
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}
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static DECLFR(MMC5_read)
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{
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switch(A)
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{
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case 0x5204: X6502_IRQEnd(FCEU_IQEXT);
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{
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uint8 x;
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x=MMC5IRQR;
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if(!fceuindbg)
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MMC5IRQR&=0x40;
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return x;
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}
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case 0x5205: return (mul[0]*mul[1]);
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case 0x5206: return ((mul[0]*mul[1])>>8);
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}
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return(X.DB);
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}
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void MMC5Synco(void)
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{
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int x;
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MMC5PRG();
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for(x=0;x<4;x++)
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{
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switch((NTAMirroring>>(x<<1))&3)
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{
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case 0:PPUNTARAM|=1<<x;vnapage[x]=NTARAM;break;
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case 1:PPUNTARAM|=1<<x;vnapage[x]=NTARAM+0x400;break;
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case 2:PPUNTARAM|=1<<x;vnapage[x]=ExRAM;break;
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case 3:PPUNTARAM&=~(1<<x);vnapage[x]=MMC5fill;break;
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}
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}
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MMC5WRAM(0x6000,WRAMPage&7);
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|
if(!ABMode)
|
|
{
|
|
MMC5CHRB();
|
|
MMC5CHRA();
|
|
}
|
|
else
|
|
{
|
|
MMC5CHRA();
|
|
MMC5CHRB();
|
|
}
|
|
{
|
|
uint32 t;
|
|
t=NTFill|(NTFill<<8)|(NTFill<<16)|(NTFill<<24);
|
|
FCEU_dwmemset(MMC5fill,t,0x3c0);
|
|
}
|
|
{
|
|
unsigned char moop;
|
|
uint32 t;
|
|
moop=ATFill|(ATFill<<2)|(ATFill<<4)|(ATFill<<6);
|
|
t=moop|(moop<<8)|(moop<<16)|(moop<<24);
|
|
FCEU_dwmemset(MMC5fill+0x3c0,t,0x40);
|
|
}
|
|
X6502_IRQEnd(FCEU_IQEXT);
|
|
MMC5HackCHRMode=CHRMode&3;
|
|
}
|
|
|
|
void MMC5_hb(int scanline)
|
|
{
|
|
if(scanline==240)
|
|
{
|
|
MMC5LineCounter=0;
|
|
MMC5IRQR=0x40;
|
|
return;
|
|
}
|
|
if(MMC5LineCounter<240)
|
|
{
|
|
if(MMC5LineCounter==IRQScanline)
|
|
{
|
|
MMC5IRQR|=0x80;
|
|
if(IRQEnable&0x80)
|
|
X6502_IRQBegin(FCEU_IQEXT);
|
|
}
|
|
MMC5LineCounter++;
|
|
}
|
|
if(MMC5LineCounter==240)
|
|
MMC5IRQR=0;
|
|
}
|
|
|
|
void MMC5_StateRestore(int version)
|
|
{
|
|
MMC5Synco();
|
|
}
|
|
|
|
typedef struct {
|
|
uint16 wl[2];
|
|
uint8 env[2];
|
|
uint8 enable;
|
|
uint8 running;
|
|
uint8 raw;
|
|
uint8 rawcontrol;
|
|
int32 dcount[2];
|
|
int32 BC[3];
|
|
int32 vcount[2];
|
|
} MMC5APU;
|
|
|
|
static MMC5APU MMC5Sound;
|
|
|
|
|
|
static void Do5PCM()
|
|
{
|
|
int32 V;
|
|
int32 start,end;
|
|
|
|
start=MMC5Sound.BC[2];
|
|
end=(SOUNDTS<<16)/soundtsinc;
|
|
if(end<=start) return;
|
|
MMC5Sound.BC[2]=end;
|
|
|
|
if(!(MMC5Sound.rawcontrol&0x40) && MMC5Sound.raw)
|
|
for(V=start;V<end;V++)
|
|
Wave[V>>4]+=MMC5Sound.raw<<1;
|
|
}
|
|
|
|
static void Do5PCMHQ()
|
|
{
|
|
int32 V;
|
|
if(!(MMC5Sound.rawcontrol&0x40) && MMC5Sound.raw)
|
|
for(V=MMC5Sound.BC[2];V<SOUNDTS;V++)
|
|
WaveHi[V]+=MMC5Sound.raw<<5;
|
|
MMC5Sound.BC[2]=SOUNDTS;
|
|
}
|
|
|
|
|
|
static DECLFW(Mapper5_SW)
|
|
{
|
|
A&=0x1F;
|
|
|
|
GameExpSound.Fill=MMC5RunSound;
|
|
GameExpSound.HiFill=MMC5RunSoundHQ;
|
|
|
|
switch(A)
|
|
{
|
|
case 0x10:if(psfun) psfun();MMC5Sound.rawcontrol=V;break;
|
|
case 0x11:if(psfun) psfun();MMC5Sound.raw=V;break;
|
|
|
|
case 0x0:
|
|
case 0x4://printf("%04x:$%02x\n",A,V&0x30);
|
|
if(sfun) sfun(A>>2);
|
|
MMC5Sound.env[A>>2]=V;
|
|
break;
|
|
case 0x2:
|
|
case 0x6: if(sfun) sfun(A>>2);
|
|
MMC5Sound.wl[A>>2]&=~0x00FF;
|
|
MMC5Sound.wl[A>>2]|=V&0xFF;
|
|
break;
|
|
case 0x3:
|
|
case 0x7://printf("%04x:$%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<end;V++)
|
|
{
|
|
if(dc<rthresh)
|
|
Wave[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<SOUNDTS;V++)
|
|
{
|
|
if(dc<rthresh)
|
|
WaveHi[V]+=amp;
|
|
vc--;
|
|
if(vc<=0) /* Less than zero when first started. */
|
|
{
|
|
vc=wl;
|
|
dc=(dc+1)&7;
|
|
}
|
|
}
|
|
MMC5Sound.dcount[P]=dc;
|
|
MMC5Sound.vcount[P]=vc;
|
|
}
|
|
MMC5Sound.BC[P]=SOUNDTS;
|
|
}
|
|
|
|
void MMC5RunSoundHQ(void)
|
|
{
|
|
Do5SQHQ(0);
|
|
Do5SQHQ(1);
|
|
Do5PCMHQ();
|
|
}
|
|
|
|
void MMC5HiSync(int32 ts)
|
|
{
|
|
int x;
|
|
for(x=0;x<3;x++) MMC5Sound.BC[x]=ts;
|
|
}
|
|
|
|
void MMC5RunSound(int Count)
|
|
{
|
|
int x;
|
|
Do5SQ(0);
|
|
Do5SQ(1);
|
|
Do5PCM();
|
|
for(x=0;x<3;x++)
|
|
MMC5Sound.BC[x]=Count;
|
|
}
|
|
|
|
void Mapper5_ESI(void)
|
|
{
|
|
GameExpSound.RChange=Mapper5_ESI;
|
|
if(FSettings.SndRate)
|
|
{
|
|
if(FSettings.soundq>=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);
|
|
}
|