update Mapper176(BMC-FK23C/A), fix init state and prg mask
This commit is contained in:
retro-wertz
@@ -1,203 +1,287 @@
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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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*
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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
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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static uint8 unromchr;
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static uint32 dipswitch = 0;
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static uint8 *CHRRAM = NULL;
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static uint32 CHRRAMSize;
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static void BMCFK23CCW(uint32 A, uint8 V) {
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if (EXPREGS[0] & 0x40)
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setchr8(EXPREGS[2] | unromchr);
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else if (EXPREGS[0] & 0x20) {
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setchr1r(0x10, A, V);
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} else {
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uint16 base = (EXPREGS[2] & 0x7F) << 3;
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if (EXPREGS[3] & 2) {
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int cbase = (MMC3_cmd & 0x80) << 5;
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setchr1(A, V | base);
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setchr1(0x0000 ^ cbase, DRegBuf[0] | base);
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setchr1(0x0400 ^ cbase, EXPREGS[6] | base);
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setchr1(0x0800 ^ cbase, DRegBuf[1] | base);
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setchr1(0x0c00 ^ cbase, EXPREGS[7] | base);
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} else
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setchr1(A, V | base);
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}
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}
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static void BMCFK23CPW(uint32 A, uint8 V) {
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uint32 bank = (EXPREGS[1] & 0x1F);
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uint32 hiblock = ((EXPREGS[0] & 8) << 4) | ((EXPREGS[0] & 0x80) << 1) | (UNIFchrrama ? ((EXPREGS[2] & 0x40) << 3) : 0);
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uint32 block = (EXPREGS[1] & 0x60) | hiblock;
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uint32 extra = (EXPREGS[3] & 2);
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switch (EXPREGS[0] & 7) {
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case 0:
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setprg8(A, (block << 1) | (V & 0x3F));
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if (extra) {
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setprg8(0xC000, EXPREGS[4]);
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setprg8(0xE000, EXPREGS[5]);
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}
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break;
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case 1:
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setprg8(A, ((hiblock | (EXPREGS[1] & 0x70)) << 1) | (V & 0x1F));
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if (extra) {
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setprg8(0xC000, EXPREGS[4]);
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setprg8(0xE000, EXPREGS[5]);
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}
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break;
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case 2:
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setprg8(A, ((hiblock | (EXPREGS[1] & 0x78)) << 1) | (V & 0x0F));
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if (extra) {
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setprg8(0xC000, EXPREGS[4]);
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setprg8(0xE000, EXPREGS[5]);
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}
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break;
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case 3:
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setprg16(0x8000, (bank | block));
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setprg16(0xC000, (bank | block));
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break;
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case 4:
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setprg32(0x8000, (bank | block) >> 1);
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break;
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}
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setprg8r(0x10, 0x6000, A001B & 3);
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}
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static DECLFW(BMCFK23CHiWrite) {
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if (EXPREGS[0] & 0x40) {
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if (EXPREGS[0] & 0x30)
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unromchr = 0;
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else {
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unromchr = V & 3;
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FixMMC3CHR(MMC3_cmd);
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}
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} else {
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if ((A == 0x8001) && (EXPREGS[3] & 2) && (MMC3_cmd & 8)) {
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EXPREGS[4 | (MMC3_cmd & 3)] = V;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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} else
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if (A < 0xC000) {
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if (UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions
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// check if it not interfer with other dumps
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if ((A == 0x8000) && (V == 0x46))
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V = 0x47;
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else if ((A == 0x8000) && (V == 0x47))
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V = 0x46;
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}
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MMC3_CMDWrite(A, V);
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FixMMC3PRG(MMC3_cmd);
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} else
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MMC3_IRQWrite(A, V);
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}
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}
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static DECLFW(BMCFK23CWrite) {
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// FCEU_printf("lo %04x:%02x\n",A,V);
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if (dipswitch) { // íóëåâîé äèï áåðåò ëþáûå çàïèñè ïî äåôîëòó, äàëüøå èäåò âûáîð
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if (A & (1 << (dipswitch + 3))) {
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EXPREGS[A & 3] = V;
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// FCEU_printf(" reg %d set!\n",A&3);
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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} else {
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EXPREGS[A & 3] = V;
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// FCEU_printf(" reg %d set!\n",A&3);
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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if (EXPREGS[3] & 2)
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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)
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}
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static void BMCFK23CReset(void) {
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if (dipswitch <= 8)
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dipswitch++;
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else
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dipswitch = 0;
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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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MMC3RegReset();
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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static void BMCFK23CPower(void) {
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GenMMC3Power();
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EXPREGS[0] = 4;
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EXPREGS[1] = 0xFF;
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EXPREGS[2] = EXPREGS[3] = 0;
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dipswitch = 0;
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EXPREGS[4] = EXPREGS[5] = EXPREGS[6] = EXPREGS[7] = 0xFF;
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SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite);
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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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static void BMCFK23CAPower(void) {
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GenMMC3Power();
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dipswitch = 0;
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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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SetWriteHandler(0x5000, 0x5fff, BMCFK23CWrite);
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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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static void BMCFK23CAClose(void) {
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if (CHRRAM)
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FCEU_gfree(CHRRAM);
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CHRRAM = NULL;
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}
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void BMCFK23C_Init(CartInfo *info) {
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GenMMC3_Init(info, 512, 256, 128, 0);
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cwrap = BMCFK23CCW;
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pwrap = BMCFK23CPW;
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info->Power = BMCFK23CPower;
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info->Reset = BMCFK23CReset;
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AddExState(EXPREGS, 8, 0, "EXPR");
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AddExState(&unromchr, 1, 0, "UCHR");
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AddExState(&dipswitch, 1, 0, "DPSW");
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}
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void BMCFK23CA_Init(CartInfo *info) {
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GenMMC3_Init(info, 512, 256, 128, 0);
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cwrap = BMCFK23CCW;
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pwrap = BMCFK23CPW;
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info->Power = BMCFK23CAPower;
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info->Reset = BMCFK23CReset;
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info->Close = BMCFK23CAClose;
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CHRRAMSize = 8192;
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CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSize);
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SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
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AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
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AddExState(EXPREGS, 8, 0, "EXPR");
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AddExState(&unromchr, 1, 0, "UCHR");
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AddExState(&dipswitch, 1, 0, "DPSW");
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}
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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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||||
*
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||||
* 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
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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static int is_BMCFK23CA;
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static uint8 unromchr;
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static uint32 dipswitch = 0;
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static uint8 *CHRRAM = NULL;
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static uint32 CHRRAMSize;
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static void BMCFK23CCW(uint32 A, uint8 V) {
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if (EXPREGS[0] & 0x40)
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setchr8(EXPREGS[2] | unromchr);
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else if (EXPREGS[0] & 0x20) {
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setchr1r(0x10, A, V);
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} else {
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uint16 base=(EXPREGS[2] & 0x7F) << 3;
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if (EXPREGS[3] & 2) {
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int cbase = (MMC3_cmd & 0x80) << 5;
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setchr1(A, V | base);
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setchr1(0x0000 ^ cbase, DRegBuf[0] | base);
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setchr1(0x0400 ^ cbase, EXPREGS[6] | base);
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setchr1(0x0800 ^ cbase, DRegBuf[1] | base);
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setchr1(0x0c00 ^ cbase, EXPREGS[7] | base);
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} else
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setchr1(A, V | base);
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}
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}
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//some games are wired differently, and this will need to be changed.
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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_mask;
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static int prg_bonus = 1;
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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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static uint64 CartList[] =
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{
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0x1606b8c2aff8d942LL, // 4-in-1 (BS-8088) [p1][!].nes
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0x62b51b108a01d2beLL, // 4-in-1 (FK23C8021) [p1][!].nes
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0xa37eb9163e001a46LL, // 4-in-1 (FK23C8026) [p1][!].nes
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0x8bb48490d8d22711LL, // 4-in-1 (FK23C8033) [p1][!].nes
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0xc75888d7b48cd378LL, // 4-in-1 (FK23C8043) [p1][!].nes
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0xde5ce25860233f7eLL, // 4-in-1 (FK23C8045) [p1][!].nes
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0x8b6c9fc7769a5500LL, // 4-in-1 (FK23C8052) [p1][!].nes
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0x5b3aa4cdc484a088LL, // 4-in-1 (FK23C8056) [p1][!].nes
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0x497344d14c308a1aLL, // 4-in-1 (FK23C8078) (Ch) [p1].nes
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0x9342bf9bae1c798aLL, // 4-in-1 (FK23C8079) [p1][!].nes
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0xf81a376fa54fdd69LL, // 4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
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0x8fd9c235957a6df0LL, // 5-in-1 (K5003) [p1][!]-1125) (Ch).nes
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0x0315924d00dd7807LL, // Mortal Kombat 30 Peoples (DH1043) (Ch).nes
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0x4b99c39fdb66128aLL, // 4-in-1 (FK23C8078) (Ch) [p1][U][!].unf
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0 /* Abandon all hope if the game has 0 in the lower 64-bits of its MD5 hash */
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};
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static void DetectPRGbonus(uint64 md5partial) {
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int x;
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x = 0;
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while (CartList[x] != 0) {
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if (CartList[x] == md5partial) {
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prg_bonus = 0;
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return;
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}
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x++;
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}
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}
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static void BMCFK23CPW(uint32 A, uint8 V) {
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uint32 bank = (EXPREGS[1] & 0x1F);
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uint32 hiblock = ((EXPREGS[0] & 8) << 4) | ((EXPREGS[0] & 0x80) << 1) | (UNIFchrrama ? ((EXPREGS[2] & 0x40) << 3) : 0);
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uint32 block = (EXPREGS[1] & 0x60) | hiblock;
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uint32 extra = (EXPREGS[3] & 2);
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if ((EXPREGS[0] & 7) == 4)
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setprg32(0x8000, EXPREGS[1] >> 1);
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else if ((EXPREGS[0] & 7) == 3) {
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setprg16(0x8000, EXPREGS[1]);
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setprg16(0xC000, EXPREGS[1]);
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} else {
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if (EXPREGS[0] & 3) {
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uint32 blocksize = (6) - (EXPREGS[0] & 3);
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uint32 mask = (1 << blocksize) - 1;
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V &= mask;
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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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} else
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setprg8(A, V & prg_mask);
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if (EXPREGS[3] & 2) {
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setprg8(0xC000, EXPREGS[4]);
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setprg8(0xE000, EXPREGS[5]);
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}
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}
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setprg8r(0x10, 0x6000, A001B & 3);
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}
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static DECLFW(BMCFK23CHiWrite) {
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if (EXPREGS[0] & 0x40) {
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if (EXPREGS[0] & 0x30)
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unromchr = 0;
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else {
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unromchr = V & 3;
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FixMMC3CHR(MMC3_cmd);
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}
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} else {
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if ((A == 0x8001) && (EXPREGS[3] & 2 && MMC3_cmd & 8)) {
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EXPREGS[4 | (MMC3_cmd & 3)] = V;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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} else
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if (A < 0xC000) {
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if (UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions
|
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// check if it not interfer with other dumps
|
||||
if ((A == 0x8000) && (V == 0x46))
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V = 0x47;
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else if ((A==0x8000) && (V == 0x47))
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V = 0x46;
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}
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MMC3_CMDWrite(A, V);
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FixMMC3PRG(MMC3_cmd);
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} else
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MMC3_IRQWrite(A, V);
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}
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}
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static DECLFW(BMCFK23CWrite) {
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if (A & (1 << (dipswitch + 4))) {
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EXPREGS[A & 3] = V;
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int remap = 0;
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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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//this too.
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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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||||
if(is_BMCFK23CA)
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{
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||||
if(EXPREGS[3] & 2)
|
||||
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)
|
||||
}
|
||||
}
|
||||
|
||||
static void BMCFK23CReset(void) {
|
||||
//NOT NECESSARY ANYMORE
|
||||
//this little hack makes sure that we try all the dip switch settings eventually, if we reset enough
|
||||
// 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);
|
||||
}
|
||||
|
||||
@@ -831,7 +831,7 @@ static int iNES_Init(int num) {
|
||||
case 13: CHRRAMSize = 16 * 1024; break;
|
||||
case 6:
|
||||
case 96: CHRRAMSize = 32 * 1024; break;
|
||||
case 176: CHRRAMSize = 256 * 1024; break;
|
||||
case 176: CHRRAMSize = 128 * 1024; break;
|
||||
default: CHRRAMSize = 8 * 1024; break;
|
||||
}
|
||||
if ((VROM = (uint8*)malloc(CHRRAMSize)) == NULL) return 0;
|
||||
|
||||
Reference in New Issue
Block a user