mirror of
https://github.com/dborth/fceugx.git
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96 lines
2.5 KiB
C
96 lines
2.5 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) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Dragon Ball Z 2 - Gekishin Freeza! (C)
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* Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (C)
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* San Guo Zhi 2 (C)
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*
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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static void M199PW(uint32 A, uint8 V)
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{
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setprg8(A,V);
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setprg8(0xC000,EXPREGS[0]);
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setprg8(0xE000,EXPREGS[1]);
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}
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static void M199CW(uint32 A, uint8 V)
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{
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setchr1r((V<8)?0x10:0x00,A,V);
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setchr1r((DRegBuf[0]<8)?0x10:0x00,0x0000,DRegBuf[0]);
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setchr1r((EXPREGS[2]<8)?0x10:0x00,0x0400,EXPREGS[2]);
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setchr1r((DRegBuf[1]<8)?0x10:0x00,0x0800,DRegBuf[1]);
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setchr1r((EXPREGS[3]<8)?0x10:0x00,0x0c00,EXPREGS[3]);
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}
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static void M199MW(uint8 V)
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{
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// FCEU_printf("%02x\n",V);
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switch(V&3)
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{
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case 0: setmirror(MI_V); break;
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case 1: setmirror(MI_H); break;
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case 2: setmirror(MI_0); break;
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case 3: setmirror(MI_1); break;
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}
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}
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static DECLFW(M199Write)
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{
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if((A==0x8001)&&(MMC3_cmd&8))
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{
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// FCEU_printf("%02x=>%02x\n",MMC3_cmd,V);
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EXPREGS[MMC3_cmd&3]=V;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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else
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if(A<0xC000)
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MMC3_CMDWrite(A,V);
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else
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MMC3_IRQWrite(A,V);
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}
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static void M199Power(void)
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{
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EXPREGS[0]=~1;
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EXPREGS[1]=~0;
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EXPREGS[2]=1;
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EXPREGS[3]=3;
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GenMMC3Power();
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SetWriteHandler(0x8000,0xFFFF,M199Write);
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}
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void Mapper199_Init(CartInfo *info)
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{
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GenMMC3_Init(info, 512, 256, 8, info->battery);
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cwrap=M199CW;
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pwrap=M199PW;
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mwrap=M199MW;
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info->Power=M199Power;
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int CHRRAMSize=1024*8;
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CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSize);
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SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
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AddExState(CHRRAM, CHRRAMSize, 0, "CHRR");
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AddExState(EXPREGS, 4, 0, "EXPR");
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}
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