70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
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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) 2025 NewRisingSun
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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 "vrc2and4.h"
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static void sync () {
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VRC24_syncPRG(0x01F, 0x000);
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VRC24_syncCHR(0x1FF, 0x000);
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VRC24_syncMirror();
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}
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void Mapper21_Init (CartInfo *info) {
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switch(info->submapper) {
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case 1: VRC24_init(info, sync, 0x02, 0x04, 1, 1, 8); break;
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case 2: VRC24_init(info, sync, 0x40, 0x80, 1, 1, 8); break;
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default: VRC24_init(info, sync, 0x42, 0x84, 1, 1, 8); break;
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}
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}
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int Mapper22_getCHRBank(int bank) {
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return VRC24_chr[bank &7] >>1;
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}
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void Mapper22_Init (CartInfo *info) {
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VRC24_init(info, sync, 0x02, 0x01, 0, 0, 8);
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VRC24_GetCHRBank =Mapper22_getCHRBank;
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}
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DECLFR(Mapper23_readProtection) {
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return VRC2_pins;
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}
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void Mapper23_Init (CartInfo *info) {
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switch(info->submapper) {
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case 1: VRC24_init(info, sync, 0x01, 0x02, 1, 1, 8); break;
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case 2: VRC24_init(info, sync, 0x04, 0x08, 1, 1, 8); break;
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case 3: VRC24_init(info, sync, 0x01, 0x02, 0, 0, 8);
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VRC24_WRAMRead =Mapper23_readProtection;
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break;
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default: VRC24_init(info, sync, 0x05, 0x0A, 1, 1, 8); break;
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}
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}
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void Mapper25_Init (CartInfo *info) {
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switch(info->submapper) {
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case 1: VRC24_init(info, sync, 0x02, 0x01, 1, 1, 8); break;
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case 2: VRC24_init(info, sync, 0x08, 0x04, 1, 1, 8); break;
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case 3: VRC24_init(info, sync, 0x02, 0x01, 0, 0, 8); break;
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default: VRC24_init(info, sync, 0x0A, 0x05, 1, 1, 8); break;
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}
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}
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