6bb703cf0f7f2569d608d2872724675030c92875
[fceu.git] / boards / __dummy_mapper.c
1 /* FCE Ultra - NES/Famicom Emulator
2  *
3  * Copyright notice for this file:
4  *  Copyright (C) 2006 CaH4e3
5  *
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.
10  *
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.
15  *
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
19  */
20
21 #include "mapinc.h"
22
23 static uint8 reg[8];
24 /*
25 static uint8 *WRAM=NULL;
26 static uint32 WRAMSIZE;
27 static uint8 *CHRRAM=NULL;
28 static uint32 CHRRAMSIZE;
29 */
30
31 static SFORMAT StateRegs[]=
32 {
33   {reg, 8, "REGS"},
34   {0}
35 };
36
37 static void Sync(void)
38 {
39 }
40
41 static DECLFW(MNNNWrite)
42 {
43 }
44
45 static void MNNNPower(void)
46 {
47   SetReadHandler(0x8000,0xFFFF,CartBR);
48   SetWriteHandler(0x8000,0xFFFF,MNNNWrite);
49 }
50
51 static void MNNNReset(void)
52 {
53 }
54
55 /*
56 static void MNNNClose(void)
57 {
58   if(WRAM)
59     FCEU_gfree(WRAM);
60   if(CHRRAM)
61     FCEU_gfree(CHRRAM);
62   WRAM=CHRRAM=NULL;
63 }
64 */
65
66 static void MNNNIRQHook(void)
67 {
68   X6502_IRQBegin(FCEU_IQEXT);
69 }
70
71 static void StateRestore(int version)
72 {
73   Sync();
74 }
75
76 void MapperNNN_Init(CartInfo *info)
77 {
78   info->Reset=MNNNReset;
79   info->Power=MNNNPower;
80 //  info->Close=MNNNClose;
81   GameHBIRQHook=MNNNIRQHook;
82   GameStateRestore=StateRestore;
83 /*
84   CHRRAMSIZE=8192;
85   CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSIZE);
86   SetupCartPRGMapping(0x10,CHRRAM,CHRRAMSIZE,1);
87   AddExState(CHRRAM, CHRRAMSIZE, 0, "WRAM");
88 */
89 /*
90   WRAMSIZE=8192;
91   WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
92   SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
93   AddExState(WRAM, WRAMSIZE, 0, "WRAM");
94 */
95   AddExState(&StateRegs, ~0, 0, 0);
96 }
97