update Mapper176(BMC-FK23C/A), fix init state and prg mask

This commit is contained in:
retro-wertz
2017-04-27 00:45:40 +08:00
parent dd9b869b91
commit 491e195c22
2 changed files with 288 additions and 204 deletions

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@@ -1,203 +1,287 @@
/* FCE Ultra - NES/Famicom Emulator /* FCE Ultra - NES/Famicom Emulator
* *
* Copyright notice for this file: * Copyright notice for this file:
* Copyright (C) 2006 CaH4e3 * Copyright (C) 2006 CaH4e3
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include "mapinc.h" #include "mapinc.h"
#include "mmc3.h" #include "mmc3.h"
static uint8 unromchr; static int is_BMCFK23CA;
static uint32 dipswitch = 0; static uint8 unromchr;
static uint8 *CHRRAM = NULL; static uint32 dipswitch = 0;
static uint32 CHRRAMSize; static uint8 *CHRRAM = NULL;
static uint32 CHRRAMSize;
static void BMCFK23CCW(uint32 A, uint8 V) {
if (EXPREGS[0] & 0x40) static void BMCFK23CCW(uint32 A, uint8 V) {
setchr8(EXPREGS[2] | unromchr); if (EXPREGS[0] & 0x40)
else if (EXPREGS[0] & 0x20) { setchr8(EXPREGS[2] | unromchr);
setchr1r(0x10, A, V); else if (EXPREGS[0] & 0x20) {
} else { setchr1r(0x10, A, V);
uint16 base = (EXPREGS[2] & 0x7F) << 3; } else {
if (EXPREGS[3] & 2) { uint16 base=(EXPREGS[2] & 0x7F) << 3;
int cbase = (MMC3_cmd & 0x80) << 5; if (EXPREGS[3] & 2) {
setchr1(A, V | base); int cbase = (MMC3_cmd & 0x80) << 5;
setchr1(0x0000 ^ cbase, DRegBuf[0] | base); setchr1(A, V | base);
setchr1(0x0400 ^ cbase, EXPREGS[6] | base); setchr1(0x0000 ^ cbase, DRegBuf[0] | base);
setchr1(0x0800 ^ cbase, DRegBuf[1] | base); setchr1(0x0400 ^ cbase, EXPREGS[6] | base);
setchr1(0x0c00 ^ cbase, EXPREGS[7] | base); setchr1(0x0800 ^ cbase, DRegBuf[1] | base);
} else setchr1(0x0c00 ^ cbase, EXPREGS[7] | base);
setchr1(A, V | base); } else
} setchr1(A, V | base);
} }
}
static void BMCFK23CPW(uint32 A, uint8 V) {
uint32 bank = (EXPREGS[1] & 0x1F); //some games are wired differently, and this will need to be changed.
uint32 hiblock = ((EXPREGS[0] & 8) << 4) | ((EXPREGS[0] & 0x80) << 1) | (UNIFchrrama ? ((EXPREGS[2] & 0x40) << 3) : 0); //all the WXN games require prg_bonus = 1, and cah4e3's multicarts require prg_bonus = 0
uint32 block = (EXPREGS[1] & 0x60) | hiblock; //we'll populate this from a game database
uint32 extra = (EXPREGS[3] & 2); static int prg_mask;
switch (EXPREGS[0] & 7) { static int prg_bonus = 1;
case 0:
setprg8(A, (block << 1) | (V & 0x3F)); //prg_bonus = 0
if (extra) { //4-in-1 (FK23C8021)[p1][!].nes
setprg8(0xC000, EXPREGS[4]); //4-in-1 (FK23C8033)[p1][!].nes
setprg8(0xE000, EXPREGS[5]); //4-in-1 (FK23C8043)[p1][!].nes
} //4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
break;
case 1: //prg_bonus = 1
setprg8(A, ((hiblock | (EXPREGS[1] & 0x70)) << 1) | (V & 0x1F)); //[m176]大富翁2-上海大亨.wxn.nes
if (extra) { //[m176]宠物翡翠.fix.nes
setprg8(0xC000, EXPREGS[4]); //[m176]格兰帝亚.wxn.nes
setprg8(0xE000, EXPREGS[5]); //[m176]梦幻之星.wxn.nes
} //[m176]水浒神兽.fix.nes
break; //[m176]西楚霸王.fix.nes
case 2: //[m176]超级大富翁.wxn.nes
setprg8(A, ((hiblock | (EXPREGS[1] & 0x78)) << 1) | (V & 0x0F)); //[m176]雄霸天下.wxn.nes
if (extra) {
setprg8(0xC000, EXPREGS[4]); //works as-is under virtuanes m176
setprg8(0xE000, EXPREGS[5]); //[m176]三侠五义.wxn.nes
} //[m176]口袋金.fix.nes
break; //[m176]爆笑三国.fix.nes
case 3:
setprg16(0x8000, (bank | block)); //needs other tweaks
setprg16(0xC000, (bank | block)); //[m176]三国忠烈传.wxn.nes
break; //[m176]破釜沉舟.fix.nes
case 4:
setprg32(0x8000, (bank | block) >> 1); static uint64 CartList[] =
break; {
} 0x1606b8c2aff8d942LL, // 4-in-1 (BS-8088) [p1][!].nes
setprg8r(0x10, 0x6000, A001B & 3); 0x62b51b108a01d2beLL, // 4-in-1 (FK23C8021) [p1][!].nes
} 0xa37eb9163e001a46LL, // 4-in-1 (FK23C8026) [p1][!].nes
0x8bb48490d8d22711LL, // 4-in-1 (FK23C8033) [p1][!].nes
static DECLFW(BMCFK23CHiWrite) { 0xc75888d7b48cd378LL, // 4-in-1 (FK23C8043) [p1][!].nes
if (EXPREGS[0] & 0x40) { 0xde5ce25860233f7eLL, // 4-in-1 (FK23C8045) [p1][!].nes
if (EXPREGS[0] & 0x30) 0x8b6c9fc7769a5500LL, // 4-in-1 (FK23C8052) [p1][!].nes
unromchr = 0; 0x5b3aa4cdc484a088LL, // 4-in-1 (FK23C8056) [p1][!].nes
else { 0x497344d14c308a1aLL, // 4-in-1 (FK23C8078) (Ch) [p1].nes
unromchr = V & 3; 0x9342bf9bae1c798aLL, // 4-in-1 (FK23C8079) [p1][!].nes
FixMMC3CHR(MMC3_cmd); 0xf81a376fa54fdd69LL, // 4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
} 0x8fd9c235957a6df0LL, // 5-in-1 (K5003) [p1][!]-1125) (Ch).nes
} else { 0x0315924d00dd7807LL, // Mortal Kombat 30 Peoples (DH1043) (Ch).nes
if ((A == 0x8001) && (EXPREGS[3] & 2) && (MMC3_cmd & 8)) { 0x4b99c39fdb66128aLL, // 4-in-1 (FK23C8078) (Ch) [p1][U][!].unf
EXPREGS[4 | (MMC3_cmd & 3)] = V; 0 /* Abandon all hope if the game has 0 in the lower 64-bits of its MD5 hash */
FixMMC3PRG(MMC3_cmd); };
FixMMC3CHR(MMC3_cmd);
} else static void DetectPRGbonus(uint64 md5partial) {
if (A < 0xC000) { int x;
if (UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions x = 0;
// check if it not interfer with other dumps while (CartList[x] != 0) {
if ((A == 0x8000) && (V == 0x46)) if (CartList[x] == md5partial) {
V = 0x47; prg_bonus = 0;
else if ((A == 0x8000) && (V == 0x47)) return;
V = 0x46; }
} x++;
MMC3_CMDWrite(A, V); }
FixMMC3PRG(MMC3_cmd); }
} else
MMC3_IRQWrite(A, V); static void BMCFK23CPW(uint32 A, uint8 V) {
} uint32 bank = (EXPREGS[1] & 0x1F);
} uint32 hiblock = ((EXPREGS[0] & 8) << 4) | ((EXPREGS[0] & 0x80) << 1) | (UNIFchrrama ? ((EXPREGS[2] & 0x40) << 3) : 0);
uint32 block = (EXPREGS[1] & 0x60) | hiblock;
static DECLFW(BMCFK23CWrite) { uint32 extra = (EXPREGS[3] & 2);
// FCEU_printf("lo %04x:%02x\n",A,V);
if (dipswitch) { // íóëåâîé äèï áåðåò ëþáûå çàïèñè ïî äåôîëòó, äàëüøå èäåò âûáîð if ((EXPREGS[0] & 7) == 4)
if (A & (1 << (dipswitch + 3))) { setprg32(0x8000, EXPREGS[1] >> 1);
EXPREGS[A & 3] = V; else if ((EXPREGS[0] & 7) == 3) {
// FCEU_printf(" reg %d set!\n",A&3); setprg16(0x8000, EXPREGS[1]);
FixMMC3PRG(MMC3_cmd); setprg16(0xC000, EXPREGS[1]);
FixMMC3CHR(MMC3_cmd); } else {
} if (EXPREGS[0] & 3) {
} else { uint32 blocksize = (6) - (EXPREGS[0] & 3);
EXPREGS[A & 3] = V; uint32 mask = (1 << blocksize) - 1;
// FCEU_printf(" reg %d set!\n",A&3); V &= mask;
FixMMC3PRG(MMC3_cmd); //V &= 63; //? is this a good idea?
FixMMC3CHR(MMC3_cmd); V |= (EXPREGS[1] << 1);
} setprg8(A, V);
if (EXPREGS[3] & 2) } else
EXPREGS[0] &= ~7; // hacky hacky! if someone wants extra banking, then for sure doesn't want mode 4 for it! (allow to run A version boards on normal mapper) setprg8(A, V & prg_mask);
} if (EXPREGS[3] & 2) {
setprg8(0xC000, EXPREGS[4]);
static void BMCFK23CReset(void) { setprg8(0xE000, EXPREGS[5]);
if (dipswitch <= 8) }
dipswitch++; }
else setprg8r(0x10, 0x6000, A001B & 3);
dipswitch = 0; }
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF; static DECLFW(BMCFK23CHiWrite) {
MMC3RegReset(); if (EXPREGS[0] & 0x40) {
FixMMC3PRG(MMC3_cmd); if (EXPREGS[0] & 0x30)
FixMMC3CHR(MMC3_cmd); unromchr = 0;
} else {
unromchr = V & 3;
static void BMCFK23CPower(void) { FixMMC3CHR(MMC3_cmd);
GenMMC3Power(); }
EXPREGS[0] = 4; } else {
EXPREGS[1] = 0xFF; if ((A == 0x8001) && (EXPREGS[3] & 2 && MMC3_cmd & 8)) {
EXPREGS[2] = EXPREGS[3] = 0; EXPREGS[4 | (MMC3_cmd & 3)] = V;
dipswitch = 0; FixMMC3PRG(MMC3_cmd);
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF; FixMMC3CHR(MMC3_cmd);
SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite); } else
SetWriteHandler(0x8000, 0xFFFF, BMCFK23CHiWrite); if (A < 0xC000) {
FixMMC3PRG(MMC3_cmd); if (UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions
FixMMC3CHR(MMC3_cmd); // check if it not interfer with other dumps
} if ((A == 0x8000) && (V == 0x46))
V = 0x47;
static void BMCFK23CAPower(void) { else if ((A==0x8000) && (V == 0x47))
GenMMC3Power(); V = 0x46;
dipswitch = 0; }
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0; MMC3_CMDWrite(A, V);
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF; FixMMC3PRG(MMC3_cmd);
SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite); } else
SetWriteHandler(0x8000, 0xFFFF, BMCFK23CHiWrite); MMC3_IRQWrite(A, V);
FixMMC3PRG(MMC3_cmd); }
FixMMC3CHR(MMC3_cmd); }
}
static DECLFW(BMCFK23CWrite) {
static void BMCFK23CAClose(void) { if (A & (1 << (dipswitch + 4))) {
if (CHRRAM) EXPREGS[A & 3] = V;
FCEU_gfree(CHRRAM);
CHRRAM = NULL; int remap = 0;
}
//sometimes writing to reg0 causes remappings to occur. we think the 2 signifies this.
void BMCFK23C_Init(CartInfo *info) { //if not, 0x24 is a value that is known to work
GenMMC3_Init(info, 512, 256, 128, 0); //however, the low 4 bits are known to control the mapping mode, so 0x20 is more likely to be the immediate remap flag
cwrap = BMCFK23CCW; remap |= ((EXPREGS[0] & 0xF0) == 0x20);
pwrap = BMCFK23CPW;
info->Power = BMCFK23CPower; //this is an actual mapping reg. i think reg0 controls what happens when reg1 is written. anyway, we have to immediately remap these
info->Reset = BMCFK23CReset; remap |= (A & 3) == 1;
AddExState(EXPREGS, 8, 0, "EXPR"); //this too.
AddExState(&unromchr, 1, 0, "UCHR"); remap |= (A & 3) == 2;
AddExState(&dipswitch, 1, 0, "DPSW");
} if(remap)
{
void BMCFK23CA_Init(CartInfo *info) { FixMMC3PRG(MMC3_cmd);
GenMMC3_Init(info, 512, 256, 128, 0); FixMMC3CHR(MMC3_cmd);
cwrap = BMCFK23CCW; }
pwrap = BMCFK23CPW; }
info->Power = BMCFK23CAPower;
info->Reset = BMCFK23CReset; if(is_BMCFK23CA)
info->Close = BMCFK23CAClose; {
if(EXPREGS[3] & 2)
CHRRAMSize = 8192; EXPREGS[0] &= ~7; // hacky hacky! if someone wants extra banking, then for sure doesn't want mode 4 for it! (allow to run A version boards on normal mapper)
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSize); }
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1); }
AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
static void BMCFK23CReset(void) {
AddExState(EXPREGS, 8, 0, "EXPR"); //NOT NECESSARY ANYMORE
AddExState(&unromchr, 1, 0, "UCHR"); //this little hack makes sure that we try all the dip switch settings eventually, if we reset enough
AddExState(&dipswitch, 1, 0, "DPSW"); // dipswitch++;
} // dipswitch&=7;
//printf("BMCFK23C dipswitch set to %d\n",dipswitch);
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF;
MMC3RegReset();
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void BMCFK23CPower(void) {
GenMMC3Power();
dipswitch = 0;
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF;
SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite);
SetWriteHandler(0x8000, 0xFFFF, BMCFK23CHiWrite);
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void BMCFK23CAPower(void) {
GenMMC3Power();
dipswitch = 0;
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF;
SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite);
SetWriteHandler(0x8000, 0xFFFF, BMCFK23CHiWrite);
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void BMCFK23CAClose(void) {
if (CHRRAM)
FCEU_gfree(CHRRAM);
CHRRAM=NULL;
}
void BMCFK23C_Init(CartInfo *info) {
is_BMCFK23CA = 0;
GenMMC3_Init(info, 512, 256, 8, 0);
cwrap = BMCFK23CCW;
pwrap = BMCFK23CPW;
info->Power = BMCFK23CPower;
info->Reset = BMCFK23CReset;
AddExState(EXPREGS, 8, 0, "EXPR");
AddExState(&unromchr, 1, 0, "UCHR");
AddExState(&dipswitch, 1, 0, "DPSW");
int x;
uint64 partialmd5 = 0;
for (x = 0; x < 8; x++)
partialmd5 |= (uint64)info->MD5[15 - x] << (x * 8);
DetectPRGbonus(partialmd5);
prg_mask = 0x7F >> (prg_bonus);
}
void BMCFK23CA_Init(CartInfo *info)
{
is_BMCFK23CA = 1;
GenMMC3_Init(info, 512, 256, 8, 0);
cwrap=BMCFK23CCW;
pwrap=BMCFK23CPW;
info->Power=BMCFK23CAPower;
info->Reset=BMCFK23CReset;
info->Close=BMCFK23CAClose;
CHRRAMSize=8192;
CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSize);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
AddExState(EXPREGS, 8, 0, "EXPR");
AddExState(&unromchr, 1, 0, "UCHR");
AddExState(&dipswitch, 1, 0, "DPSW");
int x;
uint64 partialmd5 = 0;
for (x = 0; x < 8; x++)
partialmd5 |= (uint64)info->MD5[15 - x] << (x * 8);
DetectPRGbonus(partialmd5);
prg_mask = 0x7F >> (prg_bonus);
}

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@@ -831,7 +831,7 @@ static int iNES_Init(int num) {
case 13: CHRRAMSize = 16 * 1024; break; case 13: CHRRAMSize = 16 * 1024; break;
case 6: case 6:
case 96: CHRRAMSize = 32 * 1024; break; case 96: CHRRAMSize = 32 * 1024; break;
case 176: CHRRAMSize = 256 * 1024; break; case 176: CHRRAMSize = 128 * 1024; break;
default: CHRRAMSize = 8 * 1024; break; default: CHRRAMSize = 8 * 1024; break;
} }
if ((VROM = (uint8*)malloc(CHRRAMSize)) == NULL) return 0; if ((VROM = (uint8*)malloc(CHRRAMSize)) == NULL) return 0;