merge mappers from FCEU-mm
[fceu.git] / boards / 830118C.c
CommitLineData
386f5371 1/* FCE Ultra - NES/Famicom Emulator\r
2 *\r
3 * Copyright notice for this file:\r
4 * Copyright (C) 2008 CaH4e3\r
5 *\r
6 * This program is free software; you can redistribute it and/or modify\r
7 * it under the terms of the GNU General Public License as published by\r
8 * the Free Software Foundation; either version 2 of the License, or\r
9 * (at your option) any later version.\r
10 *\r
11 * This program is distributed in the hope that it will be useful,\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
14 * GNU General Public License for more details.\r
15 *\r
16 * You should have received a copy of the GNU General Public License\r
17 * along with this program; if not, write to the Free Software\r
43725da7 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
386f5371 19 */\r
20\r
21// M-022 MMC3 based 830118C T-106 4M + 4M\r
22\r
23#include "mapinc.h"\r
24#include "mmc3.h"\r
25\r
386f5371 26static void BMC830118CCW(uint32 A, uint8 V)\r
27{\r
28 setchr1(A,(V&0x7F)|((EXPREGS[0]&0x0c)<<5));\r
29}\r
30\r
31static void BMC830118CPW(uint32 A, uint8 V)\r
32{\r
33 if((EXPREGS[0]&0x0C)==0x0C) \r
34 { \r
35 if(A==0x8000)\r
36 {\r
37 setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));\r
38 setprg8(0xC000,(V&0x0F)|0x32);\r
39 }\r
40 else if(A==0xA000)\r
41 {\r
42 setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));\r
43 setprg8(0xE000,(V&0x0F)|0x32);\r
44 }\r
45 }\r
46 else\r
47 {\r
48 setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));\r
49 }\r
50}\r
51\r
52static DECLFW(BMC830118CLoWrite)\r
53{\r
54 EXPREGS[0] = V;\r
55 FixMMC3PRG(MMC3_cmd);\r
56 FixMMC3CHR(MMC3_cmd);\r
57}\r
58\r
59static void BMC830118CReset(void)\r
60{\r
61 EXPREGS[0]=0;\r
62 MMC3RegReset();\r
63}\r
64\r
65static void BMC830118CPower(void)\r
66{\r
67 EXPREGS[0] = 0;\r
68 GenMMC3Power();\r
69 SetWriteHandler(0x6800,0x68FF,BMC830118CLoWrite);\r
70}\r
71\r
72void BMC830118C_Init(CartInfo *info)\r
73{\r
74 GenMMC3_Init(info, 128, 128, 8, 0);\r
75 pwrap=BMC830118CPW;\r
76 cwrap=BMC830118CCW;\r
77 info->Power=BMC830118CPower;\r
78 info->Reset=BMC830118CReset;\r
79 AddExState(EXPREGS, 1, 0, "EXPR");\r
80}\r