aboutsummaryrefslogtreecommitdiff
path: root/source/memmap.h
blob: 3a77033b4886848f513f6b2af19ac9f2acf320d3 (plain)
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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
#include "../copyright"

#ifndef _memmap_h_
#define _memmap_h_

#include "snes9x.h"

#ifdef FAST_LSB_WORD_ACCESS
#define READ_WORD(s) (*(uint16_t *) (s))
#define READ_DWORD(s) (*(uint32_t *) (s))
#define WRITE_WORD(s, d) (*(uint16_t *) (s)) = (d)
#define WRITE_DWORD(s, d) (*(uint32_t *) (s)) = (d)

#define READ_3WORD(s) (0x00ffffff & *(uint32_t *) (s))
#define WRITE_3WORD(s, d) *(uint16_t *) (s) = (uint16_t)(d),\
                          *((uint8_t *) (s) + 2) = (uint8_t) ((d) >> 16)


#else
#define READ_WORD(s) ( *(uint8_t *) (s) |\
            (*((uint8_t *) (s) + 1) << 8))
#define READ_DWORD(s) ( *(uint8_t *) (s) |\
             (*((uint8_t *) (s) + 1) << 8) |\
             (*((uint8_t *) (s) + 2) << 16) |\
             (*((uint8_t *) (s) + 3) << 24))
#define WRITE_WORD(s, d) *(uint8_t *) (s) = (d), \
                         *((uint8_t *) (s) + 1) = (d) >> 8
#define WRITE_DWORD(s, d) *(uint8_t *) (s) = (uint8_t) (d), \
                          *((uint8_t *) (s) + 1) = (uint8_t) ((d) >> 8),\
                          *((uint8_t *) (s) + 2) = (uint8_t) ((d) >> 16),\
                          *((uint8_t *) (s) + 3) = (uint8_t) ((d) >> 24)
#define WRITE_3WORD(s, d) *(uint8_t *) (s) = (uint8_t) (d), \
                          *((uint8_t *) (s) + 1) = (uint8_t) ((d) >> 8),\
                          *((uint8_t *) (s) + 2) = (uint8_t) ((d) >> 16)
#define READ_3WORD(s) ( *(uint8_t *) (s) |\
                       (*((uint8_t *) (s) + 1) << 8) |\
                       (*((uint8_t *) (s) + 2) << 16))
#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)
#define MEMMAP_MAX_SDD1_LOGGED_ENTRIES (0x10000 / 8)

//Extended ROM Formats
#define NOPE 0
#define YEAH 1
#define BIGFIRST 2
#define SMALLFIRST 3

#ifdef LOAD_FROM_MEMORY_TEST
bool LoadROM(const struct retro_game_info* game);
#else
bool LoadROM(const char*);
#endif
void  InitROM(bool);
bool S9xInitMemory();
void  S9xDeinitMemory();
void  FreeSDD1Data();

void WriteProtectROM();
void FixROMSpeed();
void MapRAM();
void MapExtraRAM();

void BSLoROMMap();
void JumboLoROMMap(bool);
void LoROMMap();
void LoROM24MBSMap();
void SRAM512KLoROMMap();
void SufamiTurboLoROMMap();
void HiROMMap();
void SuperFXROMMap();
void TalesROMMap(bool);
void AlphaROMMap();
void SA1ROMMap();
void BSHiROMMap();
void SPC7110HiROMMap();
void SPC7110Sram(uint8_t);
void SetaDSPMap();
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();
const char* CompanyID();
void ParseSNESHeader(uint8_t*);
enum
{
   MAP_PPU, MAP_CPU, MAP_DSP, MAP_LOROM_SRAM, MAP_HIROM_SRAM,
   MAP_NONE, MAP_DEBUG, MAP_C4, MAP_BWRAM, MAP_BWRAM_BITMAP,
   MAP_BWRAM_BITMAP2, MAP_SA1RAM, MAP_SPC7110_ROM, MAP_SPC7110_DRAM,
   MAP_RONLY_SRAM, MAP_OBC_RAM, MAP_SETA_DSP, MAP_SETA_RISC, MAP_LAST
};
enum { MAX_ROM_SIZE = 0x800000 };

typedef struct
{
   uint8_t* RAM;
   uint8_t* ROM;
   uint8_t* VRAM;
   uint8_t* SRAM;
   uint8_t* BWRAM;
   uint8_t* FillRAM;
   uint8_t* C4RAM;
   bool     HiROM;
   bool     LoROM;
   uint32_t SRAMMask;
   uint8_t  SRAMSize;
   uint8_t* Map [MEMMAP_NUM_BLOCKS];
   uint8_t* WriteMap [MEMMAP_NUM_BLOCKS];
   uint8_t  MemorySpeed [MEMMAP_NUM_BLOCKS];
   uint8_t  BlockIsRAM [MEMMAP_NUM_BLOCKS];
   uint8_t  BlockIsROM [MEMMAP_NUM_BLOCKS];
   char     ROMName [ROM_NAME_LEN];
   char     ROMId [5];
   char     CompanyId [3];
   uint8_t  ROMSpeed;
   uint8_t  ROMType;
   uint8_t  ROMSize;
   int32_t  ROMFramesPerSecond;
   int32_t  HeaderCount;
   uint32_t CalculatedSize;
   uint32_t CalculatedChecksum;
   uint32_t ROMChecksum;
   uint32_t ROMComplementChecksum;
   uint8_t* SDD1Index;
   uint8_t* SDD1Data;
   uint32_t SDD1Entries;
   uint32_t SDD1LoggedDataCountPrev;
   uint32_t SDD1LoggedDataCount;
   uint8_t  SDD1LoggedData [MEMMAP_MAX_SDD1_LOGGED_ENTRIES];
   char     ROMFilename [_MAX_PATH];
   uint8_t  ROMRegion;
   uint32_t ROMCRC32;
   uint8_t  ExtendedFormat;
   uint8_t* BSRAM;
} CMemory;

void ResetSpeedMap();

extern CMemory Memory;
void S9xDeinterleaveMode2();

#ifdef NO_INLINE_SET_GET
uint8_t S9xGetByte(uint32_t Address);
uint16_t S9xGetWord(uint32_t Address);
void S9xSetByte(uint8_t Byte, uint32_t Address);
void S9xSetWord(uint16_t Byte, uint32_t Address);
void S9xSetPCBase(uint32_t Address);
uint8_t* S9xGetMemPointer(uint32_t Address);
uint8_t* GetBasePointer(uint32_t Address);

extern uint8_t OpenBus;

#else
#ifndef INLINE
#define INLINE static inline
#endif
#include "getset.h"
#endif // NO_INLINE_SET_GET

#endif // _memmap_h_