updated bords/mappers/stuff to 0.98.15, lots of them got broken, asmcore support...
[fceu.git] / boards / h2288.c
... / ...
CommitLineData
1/* FCE Ultra - NES/Famicom Emulator\r
2 *\r
3 * Copyright notice for this file:\r
4 * Copyright (C) 2005 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
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
19 */\r
20\r
21#include "mapinc.h"\r
22#include "mmc3.h"\r
23\r
24extern uint8 m114_perm[8];\r
25\r
26static void H2288PW(uint32 A, uint8 V)\r
27{\r
28 if(EXPREGS[0]&0x40)\r
29 {\r
30 uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);\r
31 if(EXPREGS[0]&2)\r
32 setprg32(0x8000,bank>>1);\r
33 else\r
34 {\r
35 setprg16(0x8000,bank);\r
36 setprg16(0xC000,bank);\r
37 }\r
38 }\r
39 else\r
40 setprg8(A,V&0x3F);\r
41}\r
42\r
43static DECLFW(H2288WriteHi)\r
44{\r
45 switch (A&0x8001)\r
46 {\r
47 case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;\r
48 case 0x8001: MMC3_CMDWrite(0x8001,V); break;\r
49 }\r
50}\r
51\r
52static DECLFW(H2288WriteLo)\r
53{\r
54 if(A&0x800)\r
55 {\r
56 if(A&1)\r
57 EXPREGS[1]=V;\r
58 else\r
59 EXPREGS[0]=V;\r
60 FixMMC3PRG(MMC3_cmd);\r
61 }\r
62}\r
63\r
64static DECLFR(H2288Read)\r
65{\r
66 int bit;\r
67 bit=(A&1)^1;\r
68 bit&=((A>>8)&1);\r
69 bit^=1;\r
70 return((X.DB&0xFE)|bit);\r
71}\r
72\r
73static void H2288Power(void)\r
74{\r
75 EXPREGS[0]=EXPREGS[1]=0;\r
76 GenMMC3Power();\r
77 SetReadHandler(0x5000,0x5FFF,H2288Read);\r
78 SetReadHandler(0x8000,0xFFFF,CartBR);\r
79 SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);\r
80 SetWriteHandler(0x8000,0x8FFF,H2288WriteHi);\r
81}\r
82\r
83void UNLH2288_Init(CartInfo *info)\r
84{\r
85 GenMMC3_Init(info, 256, 256, 0, 0);\r
86 pwrap=H2288PW;\r
87 info->Power=H2288Power;\r
88 AddExState(EXPREGS, 2, 0, "EXPR");\r
89}\r