fceux/boards/185.cpp

116 lines
2.5 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2005 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
*
*/
#include "mapinc.h"
static uint8 *DummyCHR=NULL;
static uint8 datareg;
static void(*Sync)(void);
static SFORMAT StateRegs[]=
{
{&datareg, 1, "DREG"},
{0}
};
// on off
//1 0x0F, 0xF0 - Bird Week
//2 0x33, 0x00 - B-Wings
//3 0x11, 0x00 - Mighty Bomb Jack
//4 0x22, 0x20 - Sansuu 1 Nen, Sansuu 2 Nen
//5 0xFF, 0x00 - Sansuu 3 Nen
//6 0x21, 0x13 - Spy vs Spy
//7 0x20, 0x21 - Seicross
static void Sync185(void)
{
// little dirty eh? ;_)
if((datareg&3)&&(datareg!=0x13)) // 1, 2, 3, 4, 5, 6
setchr8(0);
else
setchr8r(0x10,0);
}
static void Sync181(void)
{
if(!(datareg&1)) // 7
setchr8(0);
else
setchr8r(0x10,0);
}
static DECLFW(MWrite)
{
datareg=V;
Sync();
}
static void MPower(void)
{
datareg=0;
Sync();
setprg16(0x8000,0);
setprg16(0xC000,~0);
SetWriteHandler(0x8000,0xFFFF,MWrite);
SetReadHandler(0x8000,0xFFFF,CartBR);
}
static void MClose(void)
{
if(DummyCHR)
FCEU_gfree(DummyCHR);
DummyCHR=NULL;
}
static void MRestore(int version)
{
Sync();
}
void Mapper185_Init(CartInfo *info)
{
int x;
Sync=Sync185;
info->Power=MPower;
info->Close=MClose;
GameStateRestore=MRestore;
DummyCHR=(uint8*)FCEU_gmalloc(8192);
for(x=0;x<8192;x++)
DummyCHR[x]=0xff;
SetupCartCHRMapping(0x10,DummyCHR,8192,0);
AddExState(StateRegs, ~0, 0, 0);
}
void Mapper181_Init(CartInfo *info)
{
int x;
Sync=Sync181;
info->Power=MPower;
info->Close=MClose;
GameStateRestore=MRestore;
DummyCHR=(uint8*)FCEU_gmalloc(8192);
for(x=0;x<8192;x++)
DummyCHR[x]=0xff;
SetupCartCHRMapping(0x10,DummyCHR,8192,0);
AddExState(StateRegs, ~0, 0, 0);
}