2020-10-26 09:22:11 +08:00
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/* FCEUmm - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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2022-02-20 06:46:45 +08:00
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* Copyright (C) 2020
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2020-10-26 09:22:11 +08:00
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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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/* Mapper 370 - F600
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* Golden Mario Party II - Around the World (6-in-1 multicart)
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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static uint8 PPUCHRBus;
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static uint8 mirr[8];
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static void FP_FASTAPASS(1) M370PPU(uint32 A) {
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if ((EXPREGS[0] & 7) == 1) {
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A &= 0x1FFF;
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A >>= 10;
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PPUCHRBus = A;
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setmirror(MI_0 + mirr[A]);
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}
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}
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static void M370CW(uint32 A, uint8 V) {
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uint8 mask = (EXPREGS[0] & 4) ? 0x7F : 0xFF;
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/* FIXME: Mario VII, mask is reversed? */
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if ((EXPREGS[0] & 7) == 6 && V & 0x80)
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mask = 0xFF;
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mirr[A >> 10] = V >> 7;
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setchr1(A, (V & mask) | ((EXPREGS[0] & 7) << 7));
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if (((EXPREGS[0] & 7) == 1) && (PPUCHRBus == (A >> 10)))
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setmirror(MI_0 + (V >> 7));
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}
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static void M370PW(uint32 A, uint8 V) {
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uint8 mask = EXPREGS[0] & 0x20 ? 0x0F : 0x1F;
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setprg8(A, (V & mask) | ((EXPREGS[0] & 0x38) << 1));
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}
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static void M370MW(uint8 V) {
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A000B = V;
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if ((EXPREGS[0] & 7) != 1)
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setmirror((V & 1) ^ 1);
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}
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static DECLFR(M370Read) {;
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return (EXPREGS[1] << 7);
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}
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static DECLFW(M370Write) {
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EXPREGS[0] = (A & 0xFF);
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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static void M370Reset(void) {
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EXPREGS[0] = 0;
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EXPREGS[1] ^= 1;
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FCEU_printf("solderpad=%02x\n", EXPREGS[1]);
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MMC3RegReset();
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}
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static void M370Power(void) {
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EXPREGS[0] = 0;
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EXPREGS[1] = 1; /* start off with the 6-in-1 menu */
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GenMMC3Power();
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SetReadHandler(0x5000, 0x5FFF, M370Read);
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SetWriteHandler(0x5000, 0x5FFF, M370Write);
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}
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void Mapper370_Init(CartInfo *info) {
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GenMMC3_Init(info, 256, 256, 8, 0);
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cwrap = M370CW;
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pwrap = M370PW;
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mwrap = M370MW;
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PPU_hook = M370PPU;
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info->Power = M370Power;
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info->Reset = M370Reset;
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AddExState(EXPREGS, 2, 0, "EXPR");
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}
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