fceugx/source/fceultra/boards/lh32.cpp
2012-12-14 17:43:51 +00:00

79 lines
1.9 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
*
* FDS Conversion
*
*/
#include "mapinc.h"
static uint8 reg;
static uint8 *WRAM = NULL;
static uint32 WRAMSIZE;
static SFORMAT StateRegs[] =
{
{ &reg, 1, "REG" },
{ 0 }
};
static void Sync(void) {
setprg8(0x6000, reg);
setprg8(0x8000, ~3);
setprg8(0xa000, ~2);
setprg8r(0x10, 0xc000, 0);
setprg8(0xe000, ~0);
setchr8(0);
}
static DECLFW(LH32Write) {
reg = V;
Sync();
}
static void LH32Power(void) {
Sync();
SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0xC000, 0xDFFF, CartBW);
SetWriteHandler(0x6000, 0x6000, LH32Write);
}
static void LH32Close(void) {
if (WRAM)
FCEU_gfree(WRAM);
WRAM = NULL;
}
static void StateRestore(int version) {
Sync();
}
void LH32_Init(CartInfo *info) {
info->Power = LH32Power;
info->Close = LH32Close;
WRAMSIZE = 8192;
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
AddExState(WRAM, WRAMSIZE, 0, "WRAM");
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}