fceugx/source/fceultra/boards/09-034a.cpp
2012-12-14 17:18:20 +00:00

68 lines
1.8 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 Conversions
*
* Super Mario Bros 2 J alt version is a BAD incomplete dump, should be mapper 43
*
* Both Voleyball and Zanac by Whirlind Manu shares the same PCB, but with
* some differences: Voleyball has 8K CHR ROM and 8K ROM at 6000K, Zanac
* have 8K CHR RAM and banked 16K ROM mapper at 6000 as two 8K banks.
*
* PCB for this mapper is "09-034A"
*/
#include "mapinc.h"
static uint8 prg;
static SFORMAT StateRegs[] =
{
{ &prg, 1, "PRG" },
{ 0 }
};
static void Sync(void) {
setprg8r(1, 0x6000, prg);
setprg32(0x8000, 0);
setchr8(0);
}
static DECLFW(UNLSMB2JWrite) {
prg = V & 1;
Sync();
}
static void UNLSMB2JPower(void) {
prg = 0;
Sync();
SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x4027, 0x4027, UNLSMB2JWrite);
}
static void StateRestore(int version) {
Sync();
}
void UNLSMB2J_Init(CartInfo *info) {
info->Power = UNLSMB2JPower;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}