386f5371 |
1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
19 | */\r |
20 | \r |
21 | #include "mapinc.h"\r |
22 | #include "mmc3.h"\r |
23 | \r |
24 | static uint8 *CHRRAM; // there is no more extern CHRRAM in mmc3.h |
25 | // I need chrram here and local static == local\r |
26 | static uint8 tekker;\r |
27 | \r |
28 | static void MSHCW(uint32 A, uint8 V)\r |
29 | {\r |
30 | if(EXPREGS[0]&0x40)\r |
31 | setchr8r(0x10,0);\r |
32 | else\r |
33 | {\r |
34 | if(A<0x800)\r |
35 | setchr1(A,V|((EXPREGS[0]&8)<<5));\r |
36 | else if(A<0x1000)\r |
37 | setchr1(A,V|((EXPREGS[0]&4)<<6));\r |
38 | else if(A<0x1800)\r |
39 | setchr1(A,V|((EXPREGS[0]&1)<<8));\r |
40 | else\r |
41 | setchr1(A,V|((EXPREGS[0]&2)<<7));\r |
42 | }\r |
43 | }\r |
44 | \r |
45 | static DECLFW(MSHWrite)\r |
46 | {\r |
47 | EXPREGS[0]=V;\r |
48 | FixMMC3CHR(MMC3_cmd);\r |
49 | }\r |
50 | \r |
51 | static DECLFR(MSHRead)\r |
52 | {\r |
53 | return(tekker);\r |
54 | }\r |
55 | \r |
56 | static void MSHReset(void)\r |
57 | {\r |
58 | MMC3RegReset();\r |
59 | tekker^=0xFF; \r |
60 | }\r |
61 | \r |
62 | static void MSHPower(void)\r |
63 | {\r |
64 | tekker=0x00;\r |
65 | GenMMC3Power();\r |
66 | SetWriteHandler(0x4100,0x4100,MSHWrite);\r |
67 | SetReadHandler(0x4100,0x4100,MSHRead);\r |
68 | }\r |
69 | \r |
70 | static void MSHClose(void)\r |
71 | {\r |
72 | if(CHRRAM)\r |
73 | FCEU_gfree(CHRRAM);\r |
74 | CHRRAM=NULL;\r |
75 | }\r |
76 | \r |
77 | void UNLSHeroes_Init(CartInfo *info)\r |
78 | {\r |
79 | GenMMC3_Init(info, 256, 512, 0, 0);\r |
80 | cwrap=MSHCW;\r |
81 | info->Power=MSHPower;\r |
82 | info->Reset=MSHReset;\r |
83 | info->Close=MSHClose;\r |
84 | CHRRAM = (uint8*)FCEU_gmalloc(8192);\r |
85 | SetupCartCHRMapping(0x10, CHRRAM, 8192, 1);\r |
86 | AddExState(EXPREGS, 4, 0, "EXPR");\r |
87 | AddExState(&tekker, 1, 0, "DIPSW");\r |
88 | }\r |