mirror of
https://github.com/dborth/fceugx.git
synced 2024-12-27 09:01:56 +01:00
364 lines
6.7 KiB
C
364 lines
6.7 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) 1998 BERO
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "mapinc.h"
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static uint8 latche;
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static DECLFW(Mapper2_write)
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{
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latche=V;
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ROM_BANK16(0x8000,V);
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}
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void Mapper2_init(void)
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{
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SetWriteHandler(0x8000,0xFFFF,Mapper2_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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static DECLFW(Mapper3_write)
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{
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VROM_BANK8(V);
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latche=V;
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}
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void Mapper3_init(void)
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{
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SetWriteHandler(0x8000,0xFFFF,Mapper3_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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static DECLFW(Mapper7_write)
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{
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ROM_BANK32(V&0xF);
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onemir((V>>4)&1);
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latche=V;
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}
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void Mapper7_init(void)
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{
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onemir(0);
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ROM_BANK32(0);
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SetWriteHandler(0x8000,0xFFFF,Mapper7_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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void Mapper243_init(void)
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{
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}
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static DECLFW(Mapper11_write)
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{
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ROM_BANK32(V&0xF);
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VROM_BANK8(V>>4);
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latche=V;
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}
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void Mapper11_init(void)
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{
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ROM_BANK32(0);
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SetWriteHandler(0x8000,0xFFFF,Mapper11_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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void Mapper144_init(void)
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{
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ROM_BANK32(0);
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SetWriteHandler(0x8001,0xFFFF,Mapper11_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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static DECLFW(Mapper13_write)
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{
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setchr4r(0x10,0x1000,V&3);
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setprg32(0x8000,(V>>4)&3);
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latche=V;
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}
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static void Mapper13_StateRestore(int version)
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{
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setchr4r(0x10,0x0000,0);
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setchr4r(0x10,0x1000,latche&3);
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setprg32(0x8000,(latche>>4)&3);
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}
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void Mapper13_init(void)
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{
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SetWriteHandler(0x8000,0xFFFF,Mapper13_write);
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GameStateRestore=Mapper13_StateRestore;
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AddExState(&latche, 1, 0, "LATC");
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AddExState(MapperExRAM, 16384, 0, "CHRR");
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SetupCartCHRMapping(0x10, MapperExRAM, 16384, 1);
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latche=0;
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Mapper13_StateRestore(FCEU_VERSION_NUMERIC);
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}
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static DECLFW(Mapper34_write)
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{
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switch(A)
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{
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case 0x7FFD:ROM_BANK32(V);break;
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case 0x7FFE:VROM_BANK4(0x0000,V);break;
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case 0x7fff:VROM_BANK4(0x1000,V);break;
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}
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if(A>=0x8000)
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ROM_BANK32(V);
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}
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void Mapper34_init(void)
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{
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ROM_BANK32(0);
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SetWriteHandler(0x7ffd,0xffff,Mapper34_write);
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}
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DECLFW(Mapper66_write)
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{
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VROM_BANK8(V&0xF);
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ROM_BANK32((V>>4));
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latche=V;
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}
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void Mapper66_init(void)
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{
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ROM_BANK32(0);
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SetWriteHandler(0x6000,0xffff,Mapper66_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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DECLFW(Mapper152_write)
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{
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ROM_BANK16(0x8000,(V>>4)&0x7);
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VROM_BANK8(V&0xF);
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onemir((V>>7)&1); /* Saint Seiya...hmm. */
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latche=V;
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}
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void Mapper152_init(void)
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{
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onemir(0);
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SetWriteHandler(0x6000,0xffff,Mapper152_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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static DECLFW(Mapper70_write)
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{
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ROM_BANK16(0x8000,V>>4);
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VROM_BANK8(V&0xF);
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latche=V;
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}
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void Mapper70_init(void)
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{
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SetWriteHandler(0x6000,0xffff,Mapper70_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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/* Should be two separate emulation functions for this "mapper". Sigh. URGE TO KILL RISING. */
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static DECLFW(Mapper78_write)
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{
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//printf("$%04x:$%02x\n",A,V&0x8);
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ROM_BANK16(0x8000,V&0x7);
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VROM_BANK8(V>>4);
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onemir((V>>3)&1);
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latche=V;
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}
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void Mapper78_init(void)
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{
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SetWriteHandler(0x8000,0xffff,Mapper78_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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DECLFW(Mapper87_write)
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{
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VROM_BANK8(V>>1);
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latche=V;
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}
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void Mapper87_init(void)
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{
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SetWriteHandler(0x6000,0xffff,Mapper87_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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DECLFW(Mapper93_write)
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{
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ROM_BANK16(0x8000,V>>4);
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MIRROR_SET(V&1);
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latche=V;
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}
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void Mapper93_init(void)
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{
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SetWriteHandler(0x8000,0xffff,Mapper93_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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DECLFW(Mapper94_write)
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{
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ROM_BANK16(0x8000,V>>2);
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latche=V;
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}
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void Mapper94_init(void)
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{
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SetWriteHandler(0x8000,0xffff,Mapper94_write);
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AddExState(&latche, 1, 0, "LATC");
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}
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/* I might want to add some code to the mapper 96 PPU hook function
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to not change CHR banks if the attribute table is being accessed,
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if I make emulation a little more accurate in the future.
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*/
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static uint8 M96LA;
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static DECLFW(Mapper96_write)
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{
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latche=V;
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setprg32(0x8000,V&3);
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setchr4r(0x10,0x0000,(latche&4)|M96LA);
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setchr4r(0x10,0x1000,(latche&4)|3);
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}
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static void FP_FASTAPASS(1) M96Hook(uint32 A)
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{
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if((A&0x3000)!=0x2000) return;
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//if((A&0x3ff)>=0x3c0) return;
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M96LA=(A>>8)&3;
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setchr4r(0x10,0x0000,(latche&4)|M96LA);
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}
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static void M96Sync(int v)
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{
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setprg32(0x8000,latche&3);
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setchr4r(0x10,0x0000,(latche&4)|M96LA);
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setchr4r(0x10,0x1000,(latche&4)|3);
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}
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void Mapper96_init(void)
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{
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SetWriteHandler(0x8000,0xffff,Mapper96_write);
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PPU_hook=M96Hook;
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AddExState(&latche, 1, 0, "LATC");
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AddExState(&M96LA, 1, 0, "LAVA");
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SetupCartCHRMapping(0x10, MapperExRAM, 32768, 1);
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latche=M96LA=0;
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M96Sync(0);
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setmirror(MI_0);
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GameStateRestore=M96Sync;
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}
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static DECLFW(Mapper140_write)
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{
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VROM_BANK8(V&0xF);
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ROM_BANK32((V>>4)&0xF);
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}
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void Mapper140_init(void)
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{
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ROM_BANK32(0);
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SetWriteHandler(0x6000,0x7FFF,Mapper140_write);
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}
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static void M185Sync(int version)
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{
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int x;
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// DumpMem("out",0x8000,0xFFFF);
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// exit(1);
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// if(mapbyte1[0]==0x15)
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if(!(mapbyte1[0]&3))
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// if(!(mapbyte1[0]==0x21))
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{
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for(x=0;x<8;x++)
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setchr1r(0x10,x<<10,0);
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}
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else
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setchr8(0);
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}
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static DECLFW(Mapper185_write)
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{
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mapbyte1[0]=V;
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M185Sync(0);
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//printf("Wr: $%04x:$%02x, $%04x\n",A,V,X.PC);
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}
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void Mapper185_init(void)
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{
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memset(MapperExRAM,0xFF,1024);
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MapStateRestore=M185Sync;
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mapbyte1[0]=0;
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M185Sync(0);
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SetupCartCHRMapping(0x10,MapperExRAM,1024,0);
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SetWriteHandler(0x8000,0xFFFF,Mapper185_write);
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}
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static DECLFW(M156Write)
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{
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if(A>=0xc000 && A<=0xC003)
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VROM_BANK1((A&3)*1024,V);
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else if(A>=0xc008 && A<=0xc00b)
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VROM_BANK1(0x1000+(A&3)*1024,V);
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if(A==0xc010) ROM_BANK16(0x8000,V);
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// printf("$%04x:$%02x\n",A,V);
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}
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void Mapper156_init(void)
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{
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onemir(0);
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SetWriteHandler(0xc000,0xc010,M156Write);
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}
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#ifdef moo
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static DECLFW(Mapper157_write)
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{
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printf("$%04x:$%02x\n",A,V);
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if(A<0xc000)
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setprg16(0xc000,V);
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}
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static DECLFR(m157rd)
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{
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printf("Rd: $%04x\n",A);
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}
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void Mapper157_init(void)
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{
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SetWriteHandler(0x4020,0xffff,Mapper157_write);
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SetReadHandler(0x4020,0x7fff,m157rd);
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}
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#endif
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static DECLFW(m107w)
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{
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ROM_BANK32((V>>1)&0x3);
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VROM_BANK8(V&0x7);
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}
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void Mapper107_init(void)
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{
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SetWriteHandler(0x8000,0xffff,m107w);
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}
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