forked from snes9xgit/snes9x
-
Notifications
You must be signed in to change notification settings - Fork 0
/
globals.cpp
229 lines (217 loc) · 10.2 KB
/
globals.cpp
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include "dma.h"
#include "apu/apu.h"
#include "fxinst.h"
#include "fxemu.h"
#include "srtc.h"
#include "cheats.h"
#ifdef NETPLAY_SUPPORT
#include "netplay.h"
#endif
#ifdef DEBUGGER
#include "debug.h"
#include "missing.h"
#endif
struct SCPUState CPU;
struct SICPU ICPU;
struct SRegisters Registers;
struct SPPU PPU;
struct InternalPPU IPPU;
struct SDMA DMA[8];
struct STimings Timings;
struct SGFX GFX;
struct SBG BG;
struct SLineData LineData[240];
struct SLineMatrixData LineMatrixData[240];
struct SDSP0 DSP0;
struct SDSP1 DSP1;
struct SDSP2 DSP2;
struct SDSP3 DSP3;
struct SDSP4 DSP4;
struct SSA1 SA1;
struct SSA1Registers SA1Registers;
struct FxRegs_s GSU;
struct FxInfo_s SuperFX;
struct SST010 ST010;
struct SST011 ST011;
struct SST018 ST018;
struct SOBC1 OBC1;
struct SSPC7110Snapshot s7snap;
struct SSRTCSnapshot srtcsnap;
struct SRTCData RTCData;
struct SBSX BSX;
struct SMSU1 MSU1;
struct SMulti Multi;
struct SSettings Settings;
struct SSNESGameFixes SNESGameFixes;
#ifdef NETPLAY_SUPPORT
struct SNetPlay NetPlay;
#endif
#ifdef DEBUGGER
struct Missing missing;
#endif
struct SCheatData Cheat;
struct Watch watches[16];
CMemory Memory;
char String[513];
uint8 OpenBus = 0;
uint8 *HDMAMemPointers[8];
uint16 BlackColourMap[256];
uint16 DirectColourMaps[8][256];
SnesModel M1SNES = { 1, 3, 2 };
SnesModel M2SNES = { 2, 4, 3 };
SnesModel *Model = &M1SNES;
#ifdef GFX_MULTI_FORMAT
uint32 RED_LOW_BIT_MASK = RED_LOW_BIT_MASK_RGB565;
uint32 GREEN_LOW_BIT_MASK = GREEN_LOW_BIT_MASK_RGB565;
uint32 BLUE_LOW_BIT_MASK = BLUE_LOW_BIT_MASK_RGB565;
uint32 RED_HI_BIT_MASK = RED_HI_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT_MASK = GREEN_HI_BIT_MASK_RGB565;
uint32 BLUE_HI_BIT_MASK = BLUE_HI_BIT_MASK_RGB565;
uint32 MAX_RED = MAX_RED_RGB565;
uint32 MAX_GREEN = MAX_GREEN_RGB565;
uint32 MAX_BLUE = MAX_BLUE_RGB565;
uint32 SPARE_RGB_BIT_MASK = SPARE_RGB_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT = (MAX_GREEN_RGB565 + 1) >> 1;
uint32 RGB_LOW_BITS_MASK = (RED_LOW_BIT_MASK_RGB565 | GREEN_LOW_BIT_MASK_RGB565 | BLUE_LOW_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASK = (RED_HI_BIT_MASK_RGB565 | GREEN_HI_BIT_MASK_RGB565 | BLUE_HI_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASKx2 = (RED_HI_BIT_MASK_RGB565 | GREEN_HI_BIT_MASK_RGB565 | BLUE_HI_BIT_MASK_RGB565) << 1;
uint32 RGB_REMOVE_LOW_BITS_MASK = ~RGB_LOW_BITS_MASK;
uint32 FIRST_COLOR_MASK = FIRST_COLOR_MASK_RGB565;
uint32 SECOND_COLOR_MASK = SECOND_COLOR_MASK_RGB565;
uint32 THIRD_COLOR_MASK = THIRD_COLOR_MASK_RGB565;
uint32 ALPHA_BITS_MASK = ALPHA_BITS_MASK_RGB565;
uint32 FIRST_THIRD_COLOR_MASK = 0;
uint32 TWO_LOW_BITS_MASK = 0;
uint32 HIGH_BITS_SHIFTED_TWO_MASK = 0;
#endif
uint16 SignExtend[2] =
{
0x0000,
0xff00
};
int HDMA_ModeByteCounts[8] =
{
1, 2, 2, 4, 4, 4, 2, 4
};
uint8 mul_brightness[16][32] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 },
{ 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04 },
{ 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03,
0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06 },
{ 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04,
0x04, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x07, 0x08, 0x08, 0x08 },
{ 0x00, 0x00, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x05,
0x05, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x09, 0x09, 0x0a, 0x0a, 0x0a },
{ 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06,
0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x09, 0x0a, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0c },
{ 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07,
0x07, 0x08, 0x08, 0x09, 0x09, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0e },
{ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, 0x08,
0x09, 0x09, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0f, 0x0f, 0x10, 0x11 },
{ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x07, 0x07, 0x08, 0x08, 0x09,
0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x11, 0x12, 0x13 },
{ 0x00, 0x01, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x09, 0x0a,
0x0b, 0x0b, 0x0c, 0x0d, 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x11, 0x11, 0x12, 0x13, 0x13, 0x14, 0x15 },
{ 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x04, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b,
0x0c, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x11, 0x12, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16, 0x17 },
{ 0x00, 0x01, 0x02, 0x02, 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b, 0x0c,
0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x12, 0x13, 0x14, 0x15, 0x16, 0x16, 0x17, 0x18, 0x19 },
{ 0x00, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b, 0x0c, 0x0d,
0x0e, 0x0f, 0x10, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1b },
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d },
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }
};
uint8 S9xOpLengthsM0X0[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
3, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM0X1[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM1X0[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
3, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
3, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
3, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM1X1[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};