File: memmap.h

package info (click to toggle)
snes9x 1.26-1
  • links: PTS
  • area: non-free
  • in suites: potato
  • size: 2,712 kB
  • ctags: 9,605
  • sloc: cpp: 40,776; asm: 27,081; ansic: 6,572; makefile: 314
file content (149 lines) | stat: -rw-r--r-- 4,519 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/*
 * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
 *
 * (c) Copyright 1996, 1997, 1998, 1999 Gary Henderson (gary@daniver.demon.co.uk) and
 *                                      Jerremy Koot (jkoot@snes9x.com)
 *
 * Super FX C emulator code 
 * (c) Copyright 1997, 1998, 1999 Ivar (Ivar@snes9x.com) and
 *                                Gary Henderson.
 * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
 *
 * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
 * DOS port code contains the works of other authors. See headers in
 * individual files.
 *
 * Snes9x homepage: www.snes9x.com
 *
 * Permission to use, copy, modify and distribute Snes9x in both binary and
 * source form, for non-commercial purposes, is hereby granted without fee,
 * providing that this license information and copyright notice appear with
 * all copies and any derived work.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event shall the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Snes9x is freeware for PERSONAL USE only. Commercial users should
 * seek permission of the copyright holders first. Commercial use includes
 * charging money for Snes9x or software derived from Snes9x.
 *
 * The copyright holders request that bug fixes and improvements to the code
 * should be forwarded to them so everyone can benefit from the modifications
 * in future versions.
 *
 * Super NES and Super Nintendo Entertainment System are trademarks of
 * Nintendo Co., Limited and its subsidiary companies.
 */

#ifndef _memmap_h_
#define _memmap_h_

#include "snes9x.h"

#ifdef FAST_LSB_WORD_ACCESS
#define READ_WORD(s) (*(uint16 *) (s))
#define WRITE_WORD(s, d) (*(uint16 *) (s) = (d)
#else
#define READ_WORD(s) (*(uint8 *) (s) | (*((uint8 *) (s) + 1) << 8))
#define WRITE_WORD(s, d) *(uint8 *) (s) = (d), \
                         *((uint8 *) (s) + 1) = (d) >> 8
#endif

#define MEMMAP_BLOCK_SIZE (0x1000)
#define MEMMAP_NUM_BLOCKS (0x1000000 / MEMMAP_BLOCK_SIZE)
#define MEMMAP_BLOCKS_PER_BANK (0x10000 / MEMMAP_BLOCK_SIZE)
#define MEMMAP_SHIFT 12
#define MEMMAP_MASK (MEMMAP_BLOCK_SIZE - 1)

class CMemory {
public:
    bool8 LoadROM (const char *);
    bool8 LoadSRAM (const char *);
    bool8 SaveSRAM (const char *);
    bool8 Init ();
    void  Deinit ();

    void WriteProtectROM ();
    void FixROMSpeed ();
    void MapRAM ();
    char *Safe (const char *);
    
    void LoROMMap ();
    void LoROM24MBSMap ();
    void HiROMMap ();
    void SuperFXROMMap ();
    void TalesROMMap ();
    void AlphaROMMap ();
    void SA1ROMMap ();
    bool8 AllASCII (uint8 *b, int size);
    int  ScoreHiROM (bool8 skip_header);
    int  ScoreLoROM (bool8 skip_header);
    void ApplyROMFixes ();
    const char *TVStandard ();
    const char *Speed ();
    const char *StaticRAMSize ();
    const char *MapType ();
    const char *MapMode ();
    const char *KartContents ();
    const char *Size ();
    const char *Headers ();
    const char *ROMID ();

    enum {
	MAP_PPU, MAP_CPU, MAP_DSP, MAP_LOROM_SRAM, MAP_HIROM_SRAM,
	MAP_NONE, MAP_DEBUG, MAP_BWRAM, MAP_BWRAM_BITMAP, MAP_BWRAM_BITMAP2,
	MAP_SA1RAM, MAP_LAST
    };
    enum { MAX_ROM_SIZE = 0x600000 };
    
    uint8 *RAM;
    uint8 *ROM;
    uint8 *VRAM;
    uint8 *SRAM;
    uint8 *BWRAM;
    uint8 *FillRAM;
    bool8 HiROM;
    bool8 LoROM;
    uint16 SRAMMask;
    uint8 SRAMSize;
    uint8 *Map [MEMMAP_NUM_BLOCKS];
    uint8 *WriteMap [MEMMAP_NUM_BLOCKS];
    uint8 MemorySpeed [MEMMAP_NUM_BLOCKS];
    uint8 BlockIsRAM [MEMMAP_NUM_BLOCKS];
    uint8 BlockIsROM [MEMMAP_NUM_BLOCKS];
    char  ROMName [ROM_NAME_LEN];
    char  ROMId [5];
    uint8 ROMSpeed;
    uint8 ROMType;
    uint8 ROMSize;
    int32 ROMFramesPerSecond;
    int32 HeaderCount;
    uint32 CalculatedSize;
    uint32 CalculatedChecksum;
    uint32 ROMChecksum;
    uint32 ROMComplementChecksum;
    char ROMFilename [_MAX_PATH];
};

START_EXTERN_C
extern CMemory Memory;
extern uint8 *SRAM;
extern uint8 *ROM;
extern uint8 *RegRAM;
END_EXTERN_C

#ifdef NO_INLINE_SET_GET
uint8 S9xGetByte (uint32 Address);
uint16 S9xGetWord (uint32 Address);
void S9xSetByte (uint8 Byte, uint32 Address);
void S9xSetWord (uint16 Byte, uint32 Address);
void S9xSetPCBase (uint32 Address);
uint8 *S9xGetMemPointer (uint32 Address);
uint8 *GetBasePointer (uint32 Address);
#else
#define INLINE inline
#include "getset.h"
#endif // NO_INLINE_SET_GET

#endif // _memmap_h_