1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2002 Xodnizel
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(Mapper40_write)
28 case 0x8000:IRQa=0;IRQCount=0;X6502_IRQEnd(FCEU_IQEXT);break;
29 case 0xa000:IRQa=1;break;
30 case 0xe000:ROM_BANK8(0xc000,V&7);break;
34 static void FP_FASTAPASS(1) Mapper40IRQ(int a)
43 X6502_IRQBegin(FCEU_IQEXT);
48 void Mapper40_init(void)
50 ROM_BANK8(0x6000,(~0)-1);
51 ROM_BANK8(0x8000,(~0)-3);
52 ROM_BANK8(0xa000,(~0)-2);
53 SetWriteHandler(0x8000,0xffff,Mapper40_write);
54 SetReadHandler(0x6000,0x7fff,CartBR);
55 MapIRQHook=Mapper40IRQ;