fceux/boards/199.cpp

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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2006 CaH4e3
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Dragon Ball Z 2 - Gekishin Freeza! (C)
* Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (C)
* San Guo Zhi 2 (C)
*
*/
#include "mapinc.h"
#include "mmc3.h"
static void M199PW(uint32 A, uint8 V)
{
setprg8(A,V);
setprg8(0xC000,EXPREGS[0]);
setprg8(0xE000,EXPREGS[1]);
}
static void M199CW(uint32 A, uint8 V)
{
setchr1r((V<8)?0x10:0x00,A,V);
setchr1r((DRegBuf[0]<8)?0x10:0x00,0x0000,DRegBuf[0]);
setchr1r((EXPREGS[2]<8)?0x10:0x00,0x0400,EXPREGS[2]);
setchr1r((DRegBuf[1]<8)?0x10:0x00,0x0800,DRegBuf[1]);
setchr1r((EXPREGS[3]<8)?0x10:0x00,0x0c00,EXPREGS[3]);
}
static void M199MW(uint8 V)
{
// FCEU_printf("%02x\n",V);
switch(V&3)
{
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirror(MI_0); break;
case 3: setmirror(MI_1); break;
}
}
static DECLFW(M199Write)
{
if((A==0x8001)&&(MMC3_cmd&8))
{
// FCEU_printf("%02x=>%02x\n",MMC3_cmd,V);
EXPREGS[MMC3_cmd&3]=V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
else
if(A<0xC000)
MMC3_CMDWrite(A,V);
else
MMC3_IRQWrite(A,V);
}
static void M199Power(void)
{
EXPREGS[0]=~1;
EXPREGS[1]=~0;
EXPREGS[2]=1;
EXPREGS[3]=3;
GenMMC3Power();
SetWriteHandler(0x8000,0xFFFF,M199Write);
}
void Mapper199_Init(CartInfo *info)
{
int CHRRAMSize=1024*8;
GenMMC3_Init(info, 512, 256, 8, info->battery);
cwrap=M199CW;
pwrap=M199PW;
mwrap=M199MW;
info->Power=M199Power;
CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSize);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
AddExState(CHRRAM, CHRRAMSize, 0, "CHRR");
AddExState(EXPREGS, 4, 0, "EXPR");
}