fceugx/source/fceultra/boards/gs-2013.cpp
2012-12-14 17:43:51 +00:00

64 lines
1.6 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2007 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 reg, mirr;
static SFORMAT StateRegs[] =
{
{ &reg, 1, "REGS" },
{ &mirr, 1, "MIRR" },
{ 0 }
};
static void Sync(void) {
setprg8r(0, 0x6000, ~0);
setprg32r((reg & 8) >> 3, 0x8000, reg);
setchr8(0);
}
static DECLFW(BMCGS2013Write) {
reg = V;
Sync();
}
static void BMCGS2013Power(void) {
reg = ~0;
Sync();
SetReadHandler(0x6000, 0x7FFF, CartBR);
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xFFFF, BMCGS2013Write);
}
static void BMCGS2013Reset(void) {
reg = ~0;
}
static void StateRestore(int version) {
Sync();
}
void BMCGS2013_Init(CartInfo *info) {
info->Reset = BMCGS2013Reset;
info->Power = BMCGS2013Power;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}