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502 lines
12 KiB
C++
502 lines
12 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., 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 "../ines.h"
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static uint8 latche, latcheinit, bus_conflict;
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static uint16 addrreg0, addrreg1;
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static uint8 *WRAM = NULL;
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static uint32 WRAMSIZE;
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static void (*WSync)(void);
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static DECLFW(LatchWrite) {
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// FCEU_printf("bs %04x %02x\n",A,V);
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if (bus_conflict)
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latche = (V == CartBR(A)) ? V : 0;
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else
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latche = V;
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WSync();
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}
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static void LatchPower(void) {
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latche = latcheinit;
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WSync();
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if (WRAM) {
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SetReadHandler(0x6000, 0xFFFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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} else {
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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}
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SetWriteHandler(addrreg0, addrreg1, LatchWrite);
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}
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static void LatchClose(void) {
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if (WRAM)
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FCEU_gfree(WRAM);
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WRAM = NULL;
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}
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static void StateRestore(int version) {
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WSync();
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}
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static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 adr0, uint16 adr1, uint8 wram, uint8 busc) {
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bus_conflict = busc;
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latcheinit = init;
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addrreg0 = adr0;
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addrreg1 = adr1;
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WSync = proc;
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info->Power = LatchPower;
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info->Close = LatchClose;
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GameStateRestore = StateRestore;
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if (wram) {
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WRAMSIZE = 8192;
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WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
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SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
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if (info->battery) {
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info->SaveGame[0] = WRAM;
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info->SaveGameLen[0] = WRAMSIZE;
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}
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AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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}
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AddExState(&latche, 1, 0, "LATC");
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AddExState(&bus_conflict, 1, 0, "BUSC");
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}
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//------------------ Map 0 ---------------------------
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#ifdef DEBUG_MAPPER
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static DECLFW(NROMWrite) {
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FCEU_printf("bs %04x %02x\n", A, V);
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CartBW(A, V);
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}
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#endif
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static void NROMPower(void) {
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setprg8r(0x10, 0x6000, 0); // Famili BASIC (v3.0) need it (uses only 4KB), FP-BASIC uses 8KB
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setprg16(0x8000, 0);
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setprg16(0xC000, ~0);
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setchr8(0);
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SetReadHandler(0x6000, 0x7FFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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#ifdef DEBUG_MAPPER
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SetWriteHandler(0x4020, 0xFFFF, NROMWrite);
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#endif
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}
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void NROM_Init(CartInfo *info) {
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info->Power = NROMPower;
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info->Close = LatchClose;
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WRAMSIZE = 8192;
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WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
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SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
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if (info->battery) {
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info->SaveGame[0] = WRAM;
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info->SaveGameLen[0] = WRAMSIZE;
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}
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AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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}
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//------------------ Map 2 ---------------------------
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static void UNROMSync(void) {
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// static uint32 mirror_in_use = 0;
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// if (PRGsize[0] <= 128 * 1024) {
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// setprg16(0x8000, latche & 0x7);
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// if (latche & 8) mirror_in_use = 1;
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// if (mirror_in_use)
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// setmirror(((latche >> 3) & 1) ^ 1); // Higway Star Hacked mapper, disabled till new mapper defined
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// } else
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setprg16(0x8000, latche);
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setprg16(0xc000, ~0);
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setchr8(0);
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}
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void UNROM_Init(CartInfo *info) {
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Latch_Init(info, UNROMSync, 0, 0x8000, 0xFFFF, 0, 1);
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}
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//------------------ Map 3 ---------------------------
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static void CNROMSync(void) {
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setchr8(latche);
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setprg32(0x8000, 0);
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setprg8r(0x10, 0x6000, 0); // Hayauchy IGO uses 2Kb or RAM
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}
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void CNROM_Init(CartInfo *info) {
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Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, 1);
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}
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//------------------ Map 7 ---------------------------
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static void ANROMSync() {
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setprg32(0x8000, latche & 0xF);
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setmirror(MI_0 + ((latche >> 4) & 1));
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setchr8(0);
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}
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void ANROM_Init(CartInfo *info) {
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Latch_Init(info, ANROMSync, 0, 0x4020, 0xFFFF, 0, 0);
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}
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//------------------ Map 8 ---------------------------
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static void M8Sync() {
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setprg16(0x8000, latche >> 3);
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setprg16(0xc000, 1);
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setchr8(latche & 3);
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}
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void Mapper8_Init(CartInfo *info) {
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Latch_Init(info, M8Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 11 ---------------------------
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static void M11Sync(void) {
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setprg32(0x8000, latche & 0xF);
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setchr8(latche >> 4);
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}
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void Mapper11_Init(CartInfo *info) {
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Latch_Init(info, M11Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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void Mapper144_Init(CartInfo *info) {
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Latch_Init(info, M11Sync, 0, 0x8001, 0xFFFF, 0, 0);
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}
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//------------------ Map 13 ---------------------------
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static void CPROMSync(void) {
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setchr4(0x0000, 0);
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setchr4(0x1000, latche & 3);
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setprg32(0x8000, 0);
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}
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void CPROM_Init(CartInfo *info) {
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Latch_Init(info, CPROMSync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 29 --------------------------- //Used by Glider, http://www.retrousb.com/product_info.php?cPath=30&products_id=58
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static void M29Sync() {
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setprg16(0x8000, (latche & 0x1C) >> 2);
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setprg16(0xc000, ~0);
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setchr8r(0, latche & 3);
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setprg8r(0x10, 0x6000, 0);
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}
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void Mapper29_Init(CartInfo *info) {
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Latch_Init(info, M29Sync, 0, 0x8000, 0xFFFF, 1, 0);
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}
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//------------------ Map 38 ---------------------------
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static void M38Sync(void) {
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setprg32(0x8000, latche & 3);
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setchr8(latche >> 2);
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}
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void Mapper38_Init(CartInfo *info) {
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Latch_Init(info, M38Sync, 0, 0x7000, 0x7FFF, 0, 0);
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}
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//------------------ Map 66 ---------------------------
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static void MHROMSync(void) {
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setprg32(0x8000, latche >> 4);
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setchr8(latche & 0xF);
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}
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void MHROM_Init(CartInfo *info) {
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Latch_Init(info, MHROMSync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 70 ---------------------------
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static void M70Sync() {
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setprg16(0x8000, latche >> 4);
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setprg16(0xc000, ~0);
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setchr8(latche & 0xf);
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}
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void Mapper70_Init(CartInfo *info) {
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Latch_Init(info, M70Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 78 ---------------------------
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/* Should be two separate emulation functions for this "mapper". Sigh. URGE TO KILL RISING. */
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static void M78Sync() {
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setprg16(0x8000, (latche & 7));
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setprg16(0xc000, ~0);
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setchr8(latche >> 4);
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setmirror(MI_0 + ((latche >> 3) & 1));
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}
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void Mapper78_Init(CartInfo *info) {
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Latch_Init(info, M78Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 86 ---------------------------
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static void M86Sync(void) {
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setprg32(0x8000, (latche >> 4) & 3);
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setchr8((latche & 3) | ((latche >> 4) & 4));
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}
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void Mapper86_Init(CartInfo *info) {
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Latch_Init(info, M86Sync, ~0, 0x6000, 0x6FFF, 0, 0);
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}
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//------------------ Map 87 ---------------------------
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static void M87Sync(void) {
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setprg32(0x8000, 0);
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setchr8(((latche >> 1) & 1) | ((latche << 1) & 2));
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}
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void Mapper87_Init(CartInfo *info) {
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Latch_Init(info, M87Sync, ~0, 0x6000, 0xFFFF, 0, 0);
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}
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//------------------ Map 89 ---------------------------
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static void M89Sync(void) {
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setprg16(0x8000, (latche >> 4) & 7);
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setprg16(0xc000, ~0);
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setchr8((latche & 7) | ((latche >> 4) & 8));
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setmirror(MI_0 + ((latche >> 3) & 1));
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}
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void Mapper89_Init(CartInfo *info) {
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Latch_Init(info, M89Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 93 ---------------------------
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static void SSUNROMSync(void) {
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setprg16(0x8000, latche >> 4);
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setprg16(0xc000, ~0);
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setchr8(0);
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}
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void SUNSOFT_UNROM_Init(CartInfo *info) {
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Latch_Init(info, SSUNROMSync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 94 ---------------------------
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static void M94Sync(void) {
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setprg16(0x8000, latche >> 2);
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setprg16(0xc000, ~0);
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setchr8(0);
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}
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void Mapper94_Init(CartInfo *info) {
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Latch_Init(info, M94Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 97 ---------------------------
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static void M97Sync(void) {
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setchr8(0);
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setprg16(0x8000, ~0);
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setprg16(0xc000, latche & 15);
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switch (latche >> 6) {
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case 0: break;
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case 1: setmirror(MI_H); break;
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case 2: setmirror(MI_V); break;
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case 3: break;
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}
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setchr8(((latche >> 1) & 1) | ((latche << 1) & 2));
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}
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void Mapper97_Init(CartInfo *info) {
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Latch_Init(info, M97Sync, ~0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 101 ---------------------------
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static void M101Sync(void) {
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setprg32(0x8000, 0);
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setchr8(latche);
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}
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void Mapper101_Init(CartInfo *info) {
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Latch_Init(info, M101Sync, ~0, 0x6000, 0x7FFF, 0, 0);
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}
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//------------------ Map 107 ---------------------------
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static void M107Sync(void) {
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setprg32(0x8000, (latche >> 1) & 3);
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setchr8(latche & 7);
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}
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void Mapper107_Init(CartInfo *info) {
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Latch_Init(info, M107Sync, ~0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 113 ---------------------------
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static void M113Sync(void) {
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setprg32(0x8000, (latche >> 3) & 7);
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setchr8(((latche >> 3) & 8) | (latche & 7));
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// setmirror(latche>>7); // only for HES 6in1
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}
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void Mapper113_Init(CartInfo *info) {
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Latch_Init(info, M113Sync, 0, 0x4100, 0x7FFF, 0, 0);
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}
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//------------------ Map 140 ---------------------------
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void Mapper140_Init(CartInfo *info) {
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Latch_Init(info, MHROMSync, 0, 0x6000, 0x7FFF, 0, 0);
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}
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//------------------ Map 152 ---------------------------
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static void M152Sync() {
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setprg16(0x8000, (latche >> 4) & 7);
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setprg16(0xc000, ~0);
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setchr8(latche & 0xf);
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setmirror(MI_0 + ((latche >> 7) & 1)); /* Saint Seiya...hmm. */
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}
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void Mapper152_Init(CartInfo *info) {
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Latch_Init(info, M152Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 180 ---------------------------
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static void M180Sync(void) {
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setprg16(0x8000, 0);
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setprg16(0xc000, latche);
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setchr8(0);
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}
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void Mapper180_Init(CartInfo *info) {
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Latch_Init(info, M180Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 184 ---------------------------
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static void M184Sync(void) {
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setchr4(0x0000, latche);
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setchr4(0x1000, latche >> 4);
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setprg32(0x8000, 0);
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}
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void Mapper184_Init(CartInfo *info) {
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Latch_Init(info, M184Sync, 0, 0x6000, 0x7FFF, 0, 0);
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}
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//------------------ Map 203 ---------------------------
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static void M203Sync(void) {
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setprg16(0x8000, (latche >> 2) & 3);
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setprg16(0xC000, (latche >> 2) & 3);
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setchr8(latche & 3);
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}
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void Mapper203_Init(CartInfo *info) {
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Latch_Init(info, M203Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ Map 240 ---------------------------
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static void M240Sync(void) {
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setprg8r(0x10, 0x6000, 0);
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setprg32(0x8000, latche >> 4);
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setchr8(latche & 0xF);
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}
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void Mapper240_Init(CartInfo *info) {
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Latch_Init(info, M240Sync, 0, 0x4020, 0x5FFF, 1, 0);
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}
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//------------------ Map 241 ---------------------------
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// Mapper 7 mostly, but with SRAM or maybe prot circuit
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// figure out, which games do need 5xxx area reading
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static void M241Sync(void) {
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setchr8(0);
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setprg8r(0x10, 0x6000, 0);
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if (latche & 0x80)
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setprg32(0x8000, latche | 8); // no 241 actually, but why not afterall?
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else
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setprg32(0x8000, latche);
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}
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void Mapper241_Init(CartInfo *info) {
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Latch_Init(info, M241Sync, 0, 0x8000, 0xFFFF, 1, 0);
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}
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//------------------ A65AS ---------------------------
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// actually, there is two cart in one... First have extra mirroring
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// mode (one screen) and 32K bankswitching, second one have only
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// 16 bankswitching mode and normal mirroring... But there is no any
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// correlations between modes and they can be used in one mapper code.
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static void BMCA65ASSync(void) {
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if (latche & 0x40)
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setprg32(0x8000, (latche >> 1) & 0x0F);
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else {
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setprg16(0x8000, ((latche & 0x30) >> 1) | (latche & 7));
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setprg16(0xC000, ((latche & 0x30) >> 1) | 7);
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}
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setchr8(0);
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if (latche & 0x80)
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setmirror(MI_0 + (((latche >> 5) & 1)));
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else
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setmirror(((latche >> 3) & 1) ^ 1);
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}
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void BMCA65AS_Init(CartInfo *info) {
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Latch_Init(info, BMCA65ASSync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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//------------------ BMC-11160 ---------------------------
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// Simple BMC discrete mapper by TXC
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static void BMC11160Sync(void) {
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uint32 bank = (latche >> 4) & 7;
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setprg32(0x8000, bank);
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setchr8((bank << 2) | (latche & 3));
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setmirror((latche >> 7) & 1);
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}
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void BMC11160_Init(CartInfo *info) {
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Latch_Init(info, BMC11160Sync, 0, 0x8000, 0xFFFF, 0, 0);
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}
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