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518 lines
13 KiB
C++
518 lines
13 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) 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
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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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static uint16 latche, latcheinit;
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static uint16 addrreg0, addrreg1;
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static uint8 dipswitch;
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static void (*WSync)(void);
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static readfunc defread;
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static uint8 *WRAM = NULL;
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static uint32 WRAMSIZE;
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static DECLFW(LatchWrite) {
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latche = A;
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WSync();
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}
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static void LatchReset(void) {
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latche = latcheinit;
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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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} else
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SetReadHandler(0x6000, 0xFFFF, defread);
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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), readfunc func, uint16 linit, uint16 adr0, uint16 adr1, uint8 wram) {
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latcheinit = linit;
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addrreg0 = adr0;
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addrreg1 = adr1;
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WSync = proc;
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if (func != NULL)
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defread = func;
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else
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defread = CartBROB;
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info->Power = LatchPower;
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info->Reset = LatchReset;
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info->Close = LatchClose;
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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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GameStateRestore = StateRestore;
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AddExState(&latche, 2, 0, "LATC");
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}
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//------------------ UNLCC21 ---------------------------
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static void UNLCC21Sync(void) {
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setprg32(0x8000, 0);
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setchr8(latche & 1);
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setmirror(MI_0 + ((latche & 2) >> 1));
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}
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void UNLCC21_Init(CartInfo *info) {
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Latch_Init(info, UNLCC21Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ BMCD1038 ---------------------------
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static void BMCD1038Sync(void) {
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if (latche & 0x80) {
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setprg16(0x8000, (latche & 0x70) >> 4);
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setprg16(0xC000, (latche & 0x70) >> 4);
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} else
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setprg32(0x8000, (latche & 0x60) >> 5);
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setchr8(latche & 7);
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setmirror(((latche & 8) >> 3) ^ 1);
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}
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static DECLFR(BMCD1038Read) {
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if (latche & 0x100)
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return dipswitch;
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else
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return CartBR(A);
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}
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static void BMCD1038Reset(void) {
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dipswitch++;
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dipswitch &= 3;
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}
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void BMCD1038_Init(CartInfo *info) {
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Latch_Init(info, BMCD1038Sync, BMCD1038Read, 0x0000, 0x8000, 0xFFFF, 0);
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info->Reset = BMCD1038Reset;
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AddExState(&dipswitch, 1, 0, "DIPSW");
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}
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//------------------ UNL43272 ---------------------------
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// mapper much complex, including 16K bankswitching
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static void UNL43272Sync(void) {
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if ((latche & 0x81) == 0x81) {
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setprg32(0x8000, (latche & 0x38) >> 3);
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} else
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FCEU_printf("unrecognized command %04!\n", latche);
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setchr8(0);
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setmirror(0);
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}
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static DECLFR(UNL43272Read) {
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if (latche & 0x400)
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return CartBR(A & 0xFE);
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else
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return CartBR(A);
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}
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static void UNL43272Reset(void) {
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latche = 0;
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UNL43272Sync();
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}
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void UNL43272_Init(CartInfo *info) {
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Latch_Init(info, UNL43272Sync, UNL43272Read, 0x0081, 0x8000, 0xFFFF, 0);
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info->Reset = UNL43272Reset;
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AddExState(&dipswitch, 1, 0, "DIPSW");
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}
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//------------------ Map 058 ---------------------------
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static void BMCGK192Sync(void) {
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if (latche & 0x40) {
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setprg16(0x8000, latche & 7);
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setprg16(0xC000, latche & 7);
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} else
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setprg32(0x8000, (latche >> 1) & 3);
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setchr8((latche >> 3) & 7);
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setmirror(((latche & 0x80) >> 7) ^ 1);
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}
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void BMCGK192_Init(CartInfo *info) {
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Latch_Init(info, BMCGK192Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 059 ---------------------------
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// One more forgotten mapper
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static void M59Sync(void) {
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setprg32(0x8000, (latche >> 4) & 7);
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setchr8(latche & 0x7);
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setmirror((latche >> 3) & 1);
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}
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static DECLFR(M59Read) {
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if (latche & 0x100)
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return 0;
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else
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return CartBR(A);
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}
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void Mapper59_Init(CartInfo *info) {
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Latch_Init(info, M59Sync, M59Read, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 061 ---------------------------
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static void M61Sync(void) {
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if (((latche & 0x10) << 1) ^ (latche & 0x20)) {
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setprg16(0x8000, ((latche & 0xF) << 1) | (((latche & 0x20) >> 4)));
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setprg16(0xC000, ((latche & 0xF) << 1) | (((latche & 0x20) >> 4)));
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} else
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setprg32(0x8000, latche & 0xF);
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setchr8(0);
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setmirror(((latche >> 7) & 1) ^ 1);
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}
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void Mapper61_Init(CartInfo *info) {
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Latch_Init(info, M61Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 092 ---------------------------
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// Another two-in-one mapper, two Jaleco carts uses similar
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// hardware, but with different wiring.
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// Original code provided by LULU
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// Additionally, PCB contains DSP extra sound chip, used for voice samples (unemulated)
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static void M92Sync(void) {
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uint8 reg = latche & 0xF0;
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setprg16(0x8000, 0);
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if (latche >= 0x9000) {
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switch (reg) {
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case 0xD0: setprg16(0xc000, latche & 15); break;
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case 0xE0: setchr8(latche & 15); break;
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}
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} else {
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switch (reg) {
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case 0xB0: setprg16(0xc000, latche & 15); break;
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case 0x70: setchr8(latche & 15); break;
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}
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}
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}
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void Mapper92_Init(CartInfo *info) {
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Latch_Init(info, M92Sync, NULL, 0x80B0, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 200 ---------------------------
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static void M200Sync(void) {
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setprg16(0x8000, latche & 7);
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setprg16(0xC000, latche & 7);
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setchr8(latche & 7);
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setmirror((latche & 8) >> 3);
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}
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void Mapper200_Init(CartInfo *info) {
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Latch_Init(info, M200Sync, NULL, 0xFFFF, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 201 ---------------------------
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static void M201Sync(void) {
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if(latche & 8) {
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setprg32(0x8000, latche & 3);
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setchr8(latche & 3);
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} else {
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setprg32(0x8000, 0);
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setchr8(0);
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}
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}
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void Mapper201_Init(CartInfo *info) {
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Latch_Init(info, M201Sync, NULL, 0xFFFF, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 202 ---------------------------
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static void M202Sync(void) {
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// According to more carefull hardware tests and PCB study
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int32 mirror = latche & 1;
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int32 bank = (latche >> 1) & 0x7;
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int32 select = (mirror & (bank >> 2));
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setprg16(0x8000, select ? (bank & 6) | 0 : bank);
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setprg16(0xc000, select ? (bank & 6) | 1 : bank);
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setmirror(mirror ^ 1);
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setchr8(bank);
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}
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void Mapper202_Init(CartInfo *info) {
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Latch_Init(info, M202Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 204 ---------------------------
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static void M204Sync(void) {
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int32 tmp2 = latche & 0x6;
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int32 tmp1 = tmp2 + ((tmp2 == 0x6) ? 0 : (latche & 1));
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setprg16(0x8000, tmp1);
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setprg16(0xc000, tmp2 + ((tmp2 == 0x6) ? 1 : (latche & 1)));
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setchr8(tmp1);
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setmirror(((latche >> 4) & 1) ^ 1);
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}
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void Mapper204_Init(CartInfo *info) {
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Latch_Init(info, M204Sync, NULL, 0xFFFF, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 212 ---------------------------
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static DECLFR(M212Read) {
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uint8 ret = CartBROB(A);
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if ((A & 0xE010) == 0x6000)
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ret |= 0x80;
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return ret;
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}
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static void M212Sync(void) {
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if(latche & 0x4000) {
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setprg32(0x8000, (latche >> 1) & 3);
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} else {
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setprg16(0x8000, latche & 7);
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setprg16(0xC000, latche & 7);
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}
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setchr8(latche & 7);
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setmirror(((latche >> 3) & 1)^1);
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}
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void Mapper212_Init(CartInfo *info) {
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Latch_Init(info, M212Sync, M212Read, 0xFFFF, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 213 ---------------------------
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static void M213Sync(void) {
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setprg32(0x8000, (latche >> 1) & 3);
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setchr8((latche >> 3) & 7);
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}
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void Mapper213_Init(CartInfo *info) {
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Latch_Init(info, M213Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 214 ---------------------------
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static void M214Sync(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 Mapper214_Init(CartInfo *info) {
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Latch_Init(info, M214Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 217 ---------------------------
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static void M217Sync(void) {
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setprg32(0x8000, (latche >> 2) & 3);
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setchr8(latche & 7);
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}
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void Mapper217_Init(CartInfo *info) {
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Latch_Init(info, M217Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 227 ---------------------------
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static void M227Sync(void) {
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uint32 S = latche & 1;
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uint32 p = ((latche >> 2) & 0x1F) + ((latche & 0x100) >> 3);
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uint32 L = (latche >> 9) & 1;
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if ((latche >> 7) & 1) {
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if (S) {
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setprg32(0x8000, p >> 1);
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} else {
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setprg16(0x8000, p);
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setprg16(0xC000, p);
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}
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} else {
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if (S) {
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if (L) {
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setprg16(0x8000, p & 0x3E);
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setprg16(0xC000, p | 7);
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} else {
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setprg16(0x8000, p & 0x3E);
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setprg16(0xC000, p & 0x38);
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}
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} else {
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if (L) {
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setprg16(0x8000, p);
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setprg16(0xC000, p | 7);
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} else {
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setprg16(0x8000, p);
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setprg16(0xC000, p & 0x38);
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}
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}
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}
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setmirror(((latche >> 1) & 1)^1);
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setchr8(0);
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setprg8r(0x10, 0x6000, 0);
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}
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void Mapper227_Init(CartInfo *info) {
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Latch_Init(info, M227Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
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}
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//------------------ Map 229 ---------------------------
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static void M229Sync(void) {
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setchr8(latche);
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if(!(latche & 0x1e))
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setprg32(0x8000, 0);
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else {
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setprg16(0x8000, latche & 0x1F);
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setprg16(0xC000, latche & 0x1F);
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}
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setmirror(((latche >> 5) & 1)^1);
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}
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void Mapper229_Init(CartInfo *info) {
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Latch_Init(info, M229Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 231 ---------------------------
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static void M231Sync(void) {
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setchr8(0);
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if(latche & 0x20)
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setprg32(0x8000, (latche >> 1) & 0x0F);
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else {
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setprg16(0x8000, latche & 0x1E);
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setprg16(0xC000, latche & 0x1E);
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}
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setmirror(((latche >> 7) & 1)^1);
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}
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void Mapper231_Init(CartInfo *info) {
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Latch_Init(info, M231Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//------------------ Map 242 ---------------------------
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static void M242Sync(void) {
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setchr8(0);
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setprg8r(0x10, 0x6000, 0);
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setprg32(0x8000, (latche >> 3) & 0xf);
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setmirror(((latche >> 1) & 1) ^ 1);
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}
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void Mapper242_Init(CartInfo *info) {
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Latch_Init(info, M242Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
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}
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//------------------ 190in1 ---------------------------
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static void BMC190in1Sync(void) {
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setprg16(0x8000, (latche >> 2) & 7);
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setprg16(0xC000, (latche >> 2) & 7);
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setchr8((latche >> 2) & 7);
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setmirror((latche & 1) ^ 1);
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}
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void BMC190in1_Init(CartInfo *info) {
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Latch_Init(info, BMC190in1Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//-------------- BMC810544-C-A1 ------------------------
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static void BMC810544CA1Sync(void) {
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uint32 bank = latche >> 7;
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if (latche & 0x40)
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setprg32(0x8000, bank);
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else{
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setprg16(0x8000, (bank << 1) | ((latche >> 5) & 1));
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setprg16(0xC000, (bank << 1) | ((latche >> 5) & 1));
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}
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setchr8(latche & 0x0f);
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setmirror(((latche >> 4) & 1) ^ 1);
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}
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void BMC810544CA1_Init(CartInfo *info) {
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Latch_Init(info, BMC810544CA1Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//-------------- BMCNTD-03 ------------------------
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static void BMCNTD03Sync(void) {
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// 1PPP Pmcc spxx xccc
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// 1000 0000 0000 0000 v
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// 1001 1100 0000 0100 h
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// 1011 1010 1100 0100
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uint32 prg = ((latche >> 10) & 0x1e);
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uint32 chr = ((latche & 0x0300) >> 5) | (latche & 7);
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if (latche & 0x80) {
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setprg16(0x8000, prg | ((latche >> 6) & 1));
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setprg16(0xC000, prg | ((latche >> 6) & 1));
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} else
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setprg32(0x8000, prg >> 1);
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setchr8(chr);
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setmirror(((latche >> 10) & 1) ^ 1);
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}
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void BMCNTD03_Init(CartInfo *info) {
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Latch_Init(info, BMCNTD03Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
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}
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//-------------- BMCG-146 ------------------------
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static void BMCG146Sync(void) {
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setchr8(0);
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if (latche & 0x800) { // UNROM mode
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setprg16(0x8000, (latche & 0x1F) | (latche & ((latche & 0x40) >> 6)));
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setprg16(0xC000, (latche & 0x18) | 7);
|
|
} else {
|
|
if (latche & 0x40) { // 16K mode
|
|
setprg16(0x8000, latche & 0x1F);
|
|
setprg16(0xC000, latche & 0x1F);
|
|
} else {
|
|
setprg32(0x8000, (latche >> 1) & 0x0F);
|
|
}
|
|
}
|
|
setmirror(((latche & 0x80) >> 7) ^ 1);
|
|
}
|
|
|
|
void BMCG146_Init(CartInfo *info) {
|
|
Latch_Init(info, BMCG146Sync, NULL, 0x0000, 0x8000, 0xFFFF, 0);
|
|
}
|