1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2002 Ben Parnell
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 static DECLFW(Mapper42_write)
28 case 0xe000:mapbyte1[0]=V;ROM_BANK8(0x6000,V&0xF);break;
29 case 0xe001:MIRROR_SET((V>>3)&1);break;
30 case 0xe002:IRQa=V&2;if(!IRQa) IRQCount=0;break;
34 static void FP_FASTAPASS(1) Mapper42IRQ(int a)
48 static void Mapper42_StateRestore(int version)
50 ROM_BANK8(0x6000,mapbyte1[0]&0xF);
54 void Mapper42_init(void)
58 SetWriteHandler(0xe000,0xffff,Mapper42_write);
59 SetReadHandler(0x6000,0x7fff,CartBR);
60 MapStateRestore=Mapper42_StateRestore;
61 MapIRQHook=Mapper42IRQ;