2012-10-23 15:26:58 +00:00
|
|
|
/* FCE Ultra - NES/Famicom Emulator
|
|
|
|
|
*
|
|
|
|
|
* Copyright notice for this file:
|
|
|
|
|
* Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include "mapinc.h"
|
|
|
|
|
|
|
|
|
|
static uint8 latch;
|
|
|
|
|
static writefunc old4016;
|
|
|
|
|
|
|
|
|
|
static SFORMAT StateRegs[]=
|
|
|
|
|
{
|
|
|
|
|
{&latch, 1, "LATC"},
|
|
|
|
|
{0}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static void Sync(void)
|
|
|
|
|
{
|
|
|
|
|
setchr8((latch >> 2) & 1);
|
|
|
|
|
setprg32(0x8000,0);
|
|
|
|
|
setprg8(0x8000,latch & 4); /* Special for VS Gumshoe */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static DECLFW(M99Write)
|
|
|
|
|
{
|
|
|
|
|
latch = V;
|
|
|
|
|
Sync();
|
|
|
|
|
old4016(A,V);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void M99Power(void)
|
|
|
|
|
{
|
|
|
|
|
latch = 0;
|
|
|
|
|
Sync();
|
|
|
|
|
old4016=GetWriteHandler(0x4016);
|
|
|
|
|
SetWriteHandler(0x4016,0x4016,M99Write);
|
|
|
|
|
SetReadHandler(0x8000,0xFFFF,CartBR);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void StateRestore(int version)
|
|
|
|
|
{
|
|
|
|
|
Sync();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Mapper99_Init(CartInfo *info)
|
|
|
|
|
{
|
|
|
|
|
info->Power=M99Power;
|
|
|
|
|
GameStateRestore=StateRestore;
|
|
|
|
|
AddExState(&StateRegs, ~0, 0, 0);
|
|
|
|
|
}
|
