386f5371 |
1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2009 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 | * DIS23C01 DAOU ROM CONTROLLER, Korea\r |
21 | * Metal Force (K)\r |
22 | * Buzz and Waldog (K)\r |
23 | * General's Son (K)\r |
24 | *\r |
25 | */\r |
26 | \r |
27 | #include "mapinc.h"\r |
28 | \r |
29 | static uint8 chrlo[8], chrhi[8], prg, mirr, mirrisused = 0;\r |
43725da7 |
30 | static uint8 *WRAM=NULL;\r |
386f5371 |
31 | static uint32 WRAMSIZE;\r |
32 | \r |
33 | static SFORMAT StateRegs[]=\r |
34 | {\r |
35 | {&prg, 1, "PREG"},\r |
43725da7 |
36 | {chrlo, 8, "CRGL"},\r |
37 | {chrhi, 8, "CRGH"},\r |
386f5371 |
38 | {&mirr, 1, "MIRR"},\r |
39 | {0}\r |
40 | };\r |
41 | \r |
42 | static void Sync(void)\r |
43 | {\r |
44 | uint32 i;\r |
45 | for(i=0; i<8; i++)\r |
46 | setchr1(i<<10, chrlo[i]|(chrhi[i] << 8));\r |
47 | setprg8r(0x10,0x6000,0);\r |
48 | setprg16(0x8000,prg);\r |
49 | setprg16(0xC000,~0);\r |
50 | if(mirrisused)\r |
51 | setmirror(mirr ^ 1);\r |
52 | else\r |
53 | setmirror(MI_0);\r |
54 | }\r |
55 | \r |
56 | static DECLFW(M156Write)\r |
57 | {\r |
58 | switch(A) {\r |
59 | case 0xC000:\r |
60 | case 0xC001:\r |
61 | case 0xC002:\r |
62 | case 0xC003: chrlo[A&3] = V; Sync(); break;\r |
63 | case 0xC004:\r |
64 | case 0xC005:\r |
65 | case 0xC006:\r |
66 | case 0xC007: chrhi[A&3] = V; Sync(); break;\r |
67 | case 0xC008:\r |
68 | case 0xC009:\r |
69 | case 0xC00A:\r |
70 | case 0xC00B: chrlo[4+(A&3)] = V; Sync(); break;\r |
71 | case 0xC00C:\r |
72 | case 0xC00D:\r |
73 | case 0xC00E:\r |
74 | case 0xC00F: chrhi[4+(A&3)] = V; Sync(); break;\r |
75 | case 0xC010: prg = V; Sync(); break;\r |
76 | case 0xC014: mirr = V; mirrisused = 1; Sync(); break;\r |
77 | }\r |
78 | }\r |
79 | \r |
386f5371 |
80 | static void M156Power(void)\r |
81 | {\r |
82 | Sync();\r |
83 | SetReadHandler(0x6000,0xFFFF,CartBR);\r |
84 | SetWriteHandler(0x6000,0x7FFF,CartBW);\r |
85 | SetWriteHandler(0xC000,0xCFFF,M156Write);\r |
386f5371 |
86 | }\r |
87 | \r |
88 | static void M156Close(void)\r |
89 | {\r |
90 | if(WRAM)\r |
91 | FCEU_gfree(WRAM);\r |
92 | WRAM=NULL;\r |
93 | }\r |
94 | \r |
95 | static void StateRestore(int version)\r |
96 | {\r |
97 | Sync();\r |
98 | }\r |
99 | \r |
100 | void Mapper156_Init(CartInfo *info)\r |
101 | {\r |
102 | info->Power=M156Power;\r |
103 | info->Close=M156Close;\r |
104 | \r |
105 | WRAMSIZE=8192;\r |
106 | WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r |
107 | SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);\r |
108 | AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r |
109 | \r |
110 | GameStateRestore=StateRestore;\r |
111 | AddExState(&StateRegs, ~0, 0, 0);\r |
112 | }\r |