random warning fixes
[fceu.git] / boards / famicombox.c
CommitLineData
43725da7 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\r
21#include "mapinc.h"\r
22\r
23static uint8 regs[8];\r
24static uint8 *WRAM = NULL;\r
25static uint32 WRAMSIZE;\r
26\r
27static SFORMAT StateRegs[]=\r
28{\r
29 {regs, 8, "REGS"},\r
30 {0}\r
31};\r
32\r
33static void Sync(void)\r
34{\r
35 setprg2r(0x10,0x0800,0);\r
36 setprg2r(0x10,0x1000,1);\r
37 setprg2r(0x10,0x1800,2);\r
38 setprg8r(0x10,0x6000,1);\r
39 setprg16(0x8000,0);\r
40 setprg16(0xC000,~0);\r
41 setchr8(0);\r
42}\r
43\r
44//static DECLFW(SSSNROMWrite)\r
45//{\r
46// CartBW(A,V);\r
47//}\r
48\r
49static DECLFW(SSSNROMWrite)\r
50{\r
51 //FCEU_printf("write %04x %02x\n",A,V);\r
52 //regs[A&7] = V;\r
53}\r
54\r
55static DECLFR(SSSNROMRead)\r
56{\r
57 //FCEU_printf("read %04x\n",A);\r
58 switch(A&7) {\r
59 case 0: return regs[0]=0xff; // clear all exceptions\r
60 case 2: return 0xc0; // DIP selftest + freeplay\r
61 case 3: return 0x00; // 0, 1 - attract\r
62 // 2\r
63 // 4 - menu\r
64 // 8 - self check and game casette check\r
65 // 10 - lock?\r
66 // 20 - game title & count display\r
67 case 7: return 0x22; // TV type, key not turned, relay B\r
68 default: return 0;\r
69 }\r
70}\r
71\r
72static void SSSNROMPower(void)\r
73{\r
74 regs[0]=regs[1]=regs[2]=regs[3]=regs[4]=regs[5]=regs[6]=0;\r
75 regs[7]=0xff;\r
76 Sync();\r
77 memset(WRAM,0x00,WRAMSIZE);\r
78// SetWriteHandler(0x0000,0x1FFF,SSSNROMRamWrite);\r
79 SetReadHandler(0x0800,0x1FFF,CartBR);\r
80 SetWriteHandler(0x0800,0x1FFF,CartBW);\r
81 SetReadHandler(0x5000,0x5FFF,SSSNROMRead);\r
82 SetWriteHandler(0x5000,0x5FFF,SSSNROMWrite);\r
83 SetReadHandler(0x6000,0x7FFF,CartBR);\r
84 SetWriteHandler(0x6000,0x7FFF,CartBW);\r
85 SetReadHandler(0x8000,0xFFFF,CartBR);\r
86}\r
87\r
88static void SSSNROMReset(void)\r
89{\r
90 regs[1]=regs[2]=regs[3]=regs[4]=regs[5]=regs[6]=0;\r
91}\r
92\r
93static void SSSNROMClose(void)\r
94{\r
95 if(WRAM)\r
96 FCEU_gfree(WRAM);\r
97 WRAM=NULL;\r
98}\r
99\r
100static void SSSNROMIRQHook(void)\r
101{\r
102// X6502_IRQBegin(FCEU_IQEXT);\r
103}\r
104\r
105static void StateRestore(int version)\r
106{\r
107 Sync();\r
108}\r
109\r
110void SSSNROM_Init(CartInfo *info)\r
111{\r
112 info->Reset=SSSNROMReset;\r
113 info->Power=SSSNROMPower;\r
114 info->Close=SSSNROMClose;\r
115 GameHBIRQHook=SSSNROMIRQHook;\r
116 GameStateRestore=StateRestore;\r
117\r
118 WRAMSIZE=16384;\r
119 WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r
120 SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);\r
121\r
122 AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r
123 AddExState(&StateRegs, ~0, 0, 0);\r
124}\r