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
25 DECLFW(Mapper73_write)
29 case 0x8000:IRQCount&=0xFFF0;IRQCount|=(V&0xF);break;
30 case 0x9000:IRQCount&=0xFF0F;IRQCount|=(V&0xF)<<4;break;
31 case 0xa000:IRQCount&=0xF0FF;IRQCount|=(V&0xF)<<8;break;
32 case 0xb000:IRQCount&=0x0FFF;IRQCount|=(V&0xF)<<12;break;
33 case 0xc000:IRQa=V&2;break;
34 case 0xf000:ROM_BANK16(0x8000,V);break;
38 static void FP_FASTAPASS(1) Mapper73IRQHook(int a)
52 void Mapper73_init(void)
54 SetWriteHandler(0x8000,0xffff,Mapper73_write);
55 MapIRQHook=Mapper73IRQHook;