support all mapper 176 games by unifying virtuanes 176 concepts with fk23c mapper and employing a new game database to provide one tiny PRG wiring parameter (??) or mapper variation which apparently isnt set by the game's operations. all the WXN games need it and none of the others do, so a variant is plausible, but it's such a tiny change i suspect a wiring difference instead.
This commit is contained in:
zeromus
parent
601b1ad867
commit
ea8cf7c73a
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@ -48,6 +48,7 @@ static void Sync(void)
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static DECLFW(M176Write_5001)
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{
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printf("%04X = $%02X\n",A,V);
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if(sbw)
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{
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prg[0] = V*4;
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@ -60,12 +61,14 @@ static DECLFW(M176Write_5001)
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static DECLFW(M176Write_5010)
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{
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printf("%04X = $%02X\n",A,V);
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if(V == 0x24) sbw = 1;
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Sync();
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}
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static DECLFW(M176Write_5011)
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{
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printf("%04X = $%02X\n",A,V);
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V >>= 1;
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if(sbw)
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{
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@ -79,6 +82,7 @@ static DECLFW(M176Write_5011)
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static DECLFW(M176Write_5FF1)
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{
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printf("%04X = $%02X\n",A,V);
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V >>= 1;
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prg[0] = V*4;
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prg[1] = V*4+1;
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@ -89,6 +93,7 @@ static DECLFW(M176Write_5FF1)
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static DECLFW(M176Write_5FF2)
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{
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printf("%04X = $%02X\n",A,V);
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chr = V;
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Sync();
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}
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@ -1,4 +1,4 @@
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/* FCE Ultra - NES/Famicom Emulator
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2006 CaH4e3
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@ -20,6 +20,7 @@
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#include "mapinc.h"
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#include "mmc3.h"
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#include "../ines.h"
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static uint8 unromchr;
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static uint32 dipswitch;
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@ -41,9 +42,35 @@ static void BMCFK23CCW(uint32 A, uint8 V)
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}
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//some games are wired differently, and this will need to be changed.
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//for instance, WAIXING176 needs prg_bonus=1, and cah4e3's 4-in-1's need prg_bonus=0
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static int prg_bonus = 0;
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static int prg_mask = 0x7F>>(prg_bonus);
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//all the WXN games require prg_bonus = 1, and cah4e3's multicarts require prg_bonus = 0
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//we'll populate this from a game database
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static int prg_bonus;
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static int prg_mask;
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//prg_bonus = 0
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//4-in-1 (FK23C8021)[p1][!].nes
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//4-in-1 (FK23C8033)[p1][!].nes
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//4-in-1 (FK23C8043)[p1][!].nes
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//4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
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//prg_bonus = 1
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//[m176]大富翁2-上海大亨.wxn.nes
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//[m176]宠物翡翠.fix.nes
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//[m176]格兰帝亚.wxn.nes
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//[m176]梦幻之星.wxn.nes
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//[m176]水浒神兽.fix.nes
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//[m176]西楚霸王.fix.nes
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//[m176]超级大富翁.wxn.nes
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//[m176]雄霸天下.wxn.nes
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//works as-is under virtuanes m176
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//[m176]三侠五义.wxn.nes
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//[m176]口袋金.fix.nes
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//[m176]爆笑三国.fix.nes
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//needs other tweaks
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//[m176]三国忠烈传.wxn.nes
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//[m176]破釜沉舟.fix.nes
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//PRG wrapper
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static void BMCFK23CPW(uint32 A, uint8 V)
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@ -62,7 +89,7 @@ static void BMCFK23CPW(uint32 A, uint8 V)
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uint32 blocksize = (6+prg_bonus)-(EXPREGS[0]&3);
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uint32 mask = (1<<blocksize)-1;
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V &= mask;
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V &= 63;
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//V &= 63; //? is this a good idea?
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V |= (EXPREGS[1]<<1);
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setprg8(A,V);
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}
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@ -109,13 +136,34 @@ static DECLFW(BMCFK23CHiWrite)
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//EXP handler ($5000-$5FFF)
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static DECLFW(BMCFK23CWrite)
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{
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printf("%04X = $%02X\n",A,V);
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if(A&(1<<(dipswitch+4)))
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{
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//printf("+ ");
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EXPREGS[A&3]=V;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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bool remap = false;
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//sometimes writing to reg0 causes remappings to occur. we think the 2 signifies this.
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//if not, 0x24 is a value that is known to work
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//however, the low 4 bits are known to control the mapping mode, so 0x20 is more likely to be the immediate remap flag
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remap |= ((EXPREGS[0]&0xF0)==0x20);
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//this is an actual mapping reg. i think reg0 controls what happens when reg1 is written. anyway, we have to immediately remap these
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remap |= (A&3)==1;
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//don't think this will end up being necessary
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//remap |= (A&3)==2;
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if(remap)
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{
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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}
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//else printf("- ");
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//printf("%04X = $%02X\n",A,V);
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//printf("%02X %02X %02X %02X\n",EXPREGS[0],EXPREGS[1],EXPREGS[2],EXPREGS[3]);
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}
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static void BMCFK23CReset(void)
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@ -123,6 +171,7 @@ static void BMCFK23CReset(void)
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//this little hack makes sure that we try all the dip switch settings eventually, if we reset enough
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dipswitch++;
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dipswitch&=7;
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printf("BMCFK23C dipswitch set to %d\n",dipswitch);
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EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
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EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
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@ -133,6 +182,7 @@ static void BMCFK23CReset(void)
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static void BMCFK23CPower(void)
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{
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dipswitch = 0;
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GenMMC3Power();
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EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
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EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
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@ -141,6 +191,7 @@ static void BMCFK23CPower(void)
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SetWriteHandler(0x8000,0xFFFF,BMCFK23CHiWrite);
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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void BMCFK23C_Init(CartInfo *info)
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@ -153,4 +204,10 @@ void BMCFK23C_Init(CartInfo *info)
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AddExState(EXPREGS, 8, 0, "EXPR");
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AddExState(&unromchr, 1, 0, "UNCHR");
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AddExState(&dipswitch, 1, 0, "DIPSW");
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prg_bonus = 1;
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if(MasterRomInfoParams.find("bonus") != MasterRomInfoParams.end())
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prg_bonus = atoi(MasterRomInfoParams["bonus"].c_str());
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prg_mask = 0x7F>>(prg_bonus);
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}
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30
src/ines.cpp
30
src/ines.cpp
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@ -38,6 +38,7 @@
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#include "utils/memory.h"
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#include "utils/crc32.h"
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#include "utils/md5.h"
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#include "utils/xstring.h"
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#include "cheat.h"
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#include "vsuni.h"
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#include "driver.h"
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@ -285,6 +286,7 @@ struct CHINF {
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uint32 crc32;
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int32 mapper;
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int32 mirror;
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const char* params;
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};
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void MapperInit()
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@ -304,6 +306,14 @@ void MapperInit()
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}
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}
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static const TMasterRomInfo sMasterRomInfo[] = {
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{ 0x62b51b108a01d2beLL, "bonus=0" }, //4-in-1 (FK23C8021)[p1][!].nes
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{ 0x8bb48490d8d22711LL, "bonus=0" }, //4-in-1 (FK23C8033)[p1][!].nes
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{ 0xc75888d7b48cd378LL, "bonus=0" }, //4-in-1 (FK23C8043)[p1][!].nes
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{ 0xf81a376fa54fdd69LL, "bonus=0" }, //4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
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};
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const TMasterRomInfo* MasterRomInfo;
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std::map<std::string,std::string> MasterRomInfoParams;
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static void CheckHInfo(void)
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{
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@ -382,6 +392,26 @@ static void CheckHInfo(void)
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}
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CheckBad(partialmd5);
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MasterRomInfo = NULL;
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MasterRomInfoParams = std::map<std::string,std::string>();
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for(int i=0;i<ARRAY_SIZE(sMasterRomInfo);i++)
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{
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const TMasterRomInfo& info = sMasterRomInfo[i];
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if(info.md5lower != partialmd5)
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continue;
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MasterRomInfo = &info;
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if(!info.params) break;
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std::vector<std::string> toks = tokenize_str(info.params,",");
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for(int j=0;j<(int)toks.size();j++)
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{
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std::vector<std::string> parts = tokenize_str(toks[j],"=");
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MasterRomInfoParams[parts[0]] = parts[1];
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}
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break;
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}
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x=0;
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do
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@ -23,6 +23,7 @@
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#define _INES_H_
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#include <stdlib.h>
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#include <string.h>
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#include <map>
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#ifdef INESPRIV
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void iNESStateRestore(int version);
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@ -68,6 +69,12 @@ extern uint8 iNESIRQa;
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#else
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#endif
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struct TMasterRomInfo
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{
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uint64 md5lower;
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const char* params;
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};
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//mbg merge 6/29/06
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extern uint8 *ROM;
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extern uint8 *VROM;
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@ -76,6 +83,8 @@ extern uint32 ROM_size;
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extern int iNesSave(); //bbit Edited: line added
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extern int iNesSaveAs(char* name);
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extern char LoadedRomFName[2048]; //bbit Edited: line added
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extern const TMasterRomInfo* MasterRomInfo;
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extern std::map<std::string,std::string> MasterRomInfoParams;
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//mbg merge 7/19/06 changed to c++ decl format
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struct iNES_HEADER {
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