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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 | * CAI Shogakko no Sansu\r |
21 | */\r |
22 | \r |
23 | #include "mapinc.h"\r |
24 | \r |
25 | static uint8 *CHRRAM=NULL;\r |
26 | static uint8 SWRAM[4096];\r |
27 | \r |
28 | static uint8 regs[16];\r |
29 | static uint8 WRAM[4096];\r |
30 | static SFORMAT StateRegs[]=\r |
31 | {\r |
32 | {®s, 16, "REGS"},\r |
33 | {WRAM, 4096, "WRAM"},\r |
34 | {0}\r |
35 | };\r |
36 | \r |
37 | static void Sync(void)\r |
38 | {\r |
39 | if(regs[5]&0x40)\r |
40 | {\r |
41 | setchr4r(0,0x1000,regs[5]&0x3F);\r |
42 | }\r |
43 | else\r |
44 | {\r |
45 | setchr4r(0x10,0x0000,regs[5]);\r |
46 | setchr4r(0x10,0x1000,regs[5]^1);\r |
47 | }\r |
48 | setprg8r((regs[2]>>6)&1,0x8000,(regs[2]&0x3F));\r |
49 | setprg8r((regs[3]>>6)&1,0xA000,(regs[3]&0x3F));\r |
50 | setprg8r((regs[4]>>6)&1,0xC000,(regs[4]&0x3F));\r |
51 | setprg8r(1,0xE000,~0);\r |
52 | setmirror((regs[0xA]&3));\r |
53 | }\r |
54 | \r |
55 | static DECLFW(M190Write)\r |
56 | {\r |
57 | // FCEU_printf("write %04x:%04x %d, %d\n",A,V,scanline,timestamp);\r |
58 | regs[(A&0x0F00)>>8]=V;\r |
59 | Sync();\r |
60 | }\r |
61 | \r |
62 | static DECLFR(M190Read)\r |
63 | {\r |
64 | // FCEU_printf("read %04x:%04x %d, %d\n",A,regs[(A&0x0F00)>>8],scanline,timestamp);\r |
65 | return regs[(A&0x0F00)>>8];\r |
66 | }\r |
67 | \r |
68 | static DECLFR(AWRAM)\r |
69 | {\r |
70 | return(WRAM[A-0x7000]);\r |
71 | }\r |
72 | static DECLFW(BWRAM)\r |
73 | {\r |
74 | WRAM[A-0x7000]=V;\r |
75 | }\r |
76 | \r |
77 | static DECLFR(ASWRAM)\r |
78 | {\r |
79 | return(SWRAM[A-0x6000]);\r |
80 | }\r |
81 | static DECLFW(BSWRAM)\r |
82 | {\r |
83 | SWRAM[A-0x6000]=V;\r |
84 | }\r |
85 | \r |
86 | static void M190Power(void)\r |
87 | {\r |
88 | setvram8(CHRRAM);\r |
89 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
90 | SetWriteHandler(0x8000,0xFFFF,M190Write);\r |
91 | // SetReadHandler(0xDA00,0xDA00,M190Read);\r |
92 | // SetReadHandler(0xDB00,0xDB00,M190Read);\r |
93 | SetReadHandler(0xDC00,0xDC00,M190Read);\r |
94 | SetReadHandler(0xDD00,0xDD00,M190Read);\r |
95 | SetReadHandler(0x7000,0x7FFF,AWRAM);\r |
96 | SetWriteHandler(0x7000,0x7FFF,BWRAM);\r |
97 | SetReadHandler(0x6000,0x6FFF,ASWRAM);\r |
98 | SetWriteHandler(0x6000,0x6FFF,BSWRAM);\r |
99 | Sync();\r |
100 | }\r |
101 | \r |
102 | static void M190Close(void)\r |
103 | {\r |
104 | if(CHRRAM)\r |
105 | FCEU_gfree(CHRRAM);\r |
106 | CHRRAM=NULL;\r |
107 | }\r |
108 | \r |
109 | static void StateRestore(int version)\r |
110 | {\r |
111 | Sync();\r |
112 | }\r |
113 | \r |
114 | void Mapper190_Init(CartInfo *info)\r |
115 | {\r |
116 | info->Power=M190Power;\r |
117 | info->Close=M190Close;\r |
118 | if(info->battery)\r |
119 | {\r |
120 | info->SaveGame[0]=SWRAM;\r |
121 | info->SaveGameLen[0]=4096;\r |
122 | }\r |
123 | GameStateRestore=StateRestore;\r |
124 | CHRRAM=(uint8*)FCEU_gmalloc(8192);\r |
125 | SetupCartCHRMapping(0x10,CHRRAM,8192,1);\r |
126 | AddExState(CHRRAM, 8192, 0, "CHRRAM");\r |
127 | AddExState(&StateRegs, ~0, 0, 0);\r |
128 | }\r |