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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
|
#include "global.h"
#include "decompress.h"
#include "gpu_regs.h"
#include "main.h"
#include "m4a.h"
#include "dma3.h"
#include "help_system.h"
#include "list_menu.h"
#include "sound.h"
#include "strings.h"
#include "text.h"
#include "constants/songs.h"
struct DmaController
{
void * dest;
void * src;
u32 size:21;
u32 destMode:2;
u32 srcMode:2;
u32 repeat:1;
u32 width:1;
u32 dreqOn:1;
u32 startMode:3;
u32 intrEnable:1;
u32 dmaEnable:1;
};
struct HelpSystemVideoState
{
/*0x00*/ MainCallback savedVblankCb;
/*0x04*/ MainCallback savedHblankCb;
/*0x08*/ u16 savedDispCnt;
/*0x0a*/ u16 savedBg0Cnt;
/*0x0c*/ u16 savedBg0Hofs;
/*0x0e*/ u16 savedBg0Vofs;
/*0x10*/ u16 savedBldCnt;
/*0x12*/ struct TextColor savedTextColor;
/*0x15*/ u8 state;
};
void sub_813BB38(void);
void sub_813BB74(void);
void sub_813BBAC(void);
void sub_813BBC8(void);
void sub_813BBDC(void);
void sub_813BCF4(void);
void sub_813BBF4(void);
void sub_813BD14(u8);
void sub_813BF50(u8);
void sub_813BC2C(void);
void sub_813BC48(void);
void sub_813BC5C(void);
void sub_813C454(const u8 * str);
void sub_813C5D4(void);
EWRAM_DATA u8 gUnknown_203B174[BG_CHAR_SIZE] = {0};
EWRAM_DATA u8 gUnknown_203F174 = 0;
EWRAM_DATA u8 gUnknown_203F175 = 0;
EWRAM_DATA u8 gUnknown_203F176 = 0;
EWRAM_DATA u8 gUnknown_203F177 = 0;
EWRAM_DATA struct HelpSystemVideoState gUnknown_203F178 = {0};
EWRAM_DATA struct HelpSystemStruct_203F190 gUnknown_203F190 = {0};
EWRAM_DATA struct ListMenuItem gUnknown_203F1AC[52] = {0};
const u16 gUnknown_8464008[] = INCBIN_U16("graphics/help_system/unk_8464008.4bpp");
const u16 gUnknown_8464128[] = INCBIN_U16("graphics/help_system/unk_8464008.gbapal");
u8 sub_813B870(void)
{
s32 i;
switch (gUnknown_203F178.state)
{
case 0:
gUnknown_203F177 = 0;
if (gSaveBlock2Ptr->optionsButtonMode != OPTIONS_BUTTON_MODE_NORMAL)
return 0;
if (JOY_NEW(R_BUTTON) && gUnknown_203F175 == 1)
return 0;
if (JOY_NEW(L_BUTTON | R_BUTTON))
{
if (!sub_812B45C() || !gUnknown_3005ECC)
{
PlaySE(SE_HELP_PAGE);
return 0;
}
m4aMPlayStop(&gMPlayInfo_SE1);
m4aMPlayStop(&gMPlayInfo_SE2);
PlaySE(SE_HELP_OPEN);
if (!gUnknown_203F174)
m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 0x80);
sub_813BB38();
gUnknown_203F177 = 1;
gUnknown_203F178.state = 1;
}
break;
case 1:
sub_813BBAC();
sub_813BB74();
sub_813BBC8();
(*(vu16 *)PLTT) = gUnknown_8464128[15];
SetGpuReg(REG_OFFSET_DISPCNT, 0);
gUnknown_203F178.state = 2;
break;
case 2:
RequestDma3Fill(0, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, 0);
RequestDma3Copy(gUnknown_8464128, (void *)PLTT, sizeof(gUnknown_8464128), 0);
RequestDma3Copy(gUnknown_8464008, gDecompressionBuffer + 0x3EE0, sizeof(gUnknown_8464008), 0);
gUnknown_203F178.state = 3;
break;
case 3:
sub_813BCF4();
sub_813C5D4();
sub_813C5FC();
sub_813C454(gUnknown_841CB49);
sub_813BD14(1);
if (sub_812B40C() == TRUE)
sub_812BC54(&gUnknown_203F190, gUnknown_203F1AC);
else
sub_812BCA8(&gUnknown_203F190, gUnknown_203F1AC);
sub_813BE78(1);
sub_813BF50(1);
sub_813BC5C();
gUnknown_203F178.state = 4;
break;
case 4:
SetGpuReg(REG_OFFSET_BLDCNT, 0);
SetGpuReg(REG_OFFSET_BG0HOFS, 0);
SetGpuReg(REG_OFFSET_BG0VOFS, 0);
SetGpuReg(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(0) | BGCNT_CHARBASE(3) | BGCNT_16COLOR | BGCNT_SCREENBASE(31));
SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_BG0_ON);
gUnknown_203F178.state = 5;
break;
case 5:
if (!sub_812BB9C(&gUnknown_203F190, gUnknown_203F1AC))
{
PlaySE(SE_HELP_CLOSE);
gUnknown_203F178.state = 6;
}
break;
case 6:
SetGpuReg(REG_OFFSET_DISPCNT, 0);
sub_813BC2C();
for (i = 0; i < 0x200; i += 2)
{
*((vu16 *)(PLTT + 0x000 + i)) = gUnknown_8464128[15];
*((vu16 *)(PLTT + 0x200 + i)) = gUnknown_8464128[15];
}
gUnknown_203F178.state = 7;
break;
case 7:
if (!gUnknown_203F174)
m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 0x100);
sub_813BC48();
sub_813BBF4();
gUnknown_203F178.state = 8;
break;
case 8:
sub_813BBDC();
gUnknown_203F177 = 0;
gUnknown_203F178.state = 0;
break;
}
return gUnknown_203F178.state;
}
void sub_813BB38(void)
{
vu16 * dma;
gUnknown_203F178.savedVblankCb = gMain.vblankCallback;
gUnknown_203F178.savedHblankCb = gMain.hblankCallback;
gMain.vblankCallback = NULL;
gMain.hblankCallback = NULL;
dma = (void *)REG_ADDR_DMA0;
dma[5] &= ~(DMA_START_MASK | DMA_DREQ_ON | DMA_REPEAT);
dma[5] &= ~DMA_ENABLE;
dma[5];
}
void sub_813BB74(void)
{
gUnknown_203F178.savedDispCnt = GetGpuReg(REG_OFFSET_DISPCNT);
gUnknown_203F178.savedBg0Cnt = GetGpuReg(REG_OFFSET_BG0CNT);
gUnknown_203F178.savedBg0Hofs = GetGpuReg(REG_OFFSET_BG0HOFS);
gUnknown_203F178.savedBg0Vofs = GetGpuReg(REG_OFFSET_BG0VOFS);
gUnknown_203F178.savedBldCnt = GetGpuReg(REG_OFFSET_BLDCNT);
}
void sub_813BBAC(void)
{
RequestDma3Copy((void *)BG_CHAR_ADDR(3), gUnknown_203B174, BG_CHAR_SIZE, 0);
}
void sub_813BBC8(void)
{
SaveTextColors(
&gUnknown_203F178.savedTextColor.fgColor,
&gUnknown_203F178.savedTextColor.bgColor,
&gUnknown_203F178.savedTextColor.shadowColor
);
}
void sub_813BBDC(void)
{
gMain.vblankCallback = gUnknown_203F178.savedVblankCb;
gMain.hblankCallback = gUnknown_203F178.savedHblankCb;
}
void sub_813BBF4(void)
{
SetGpuReg(REG_OFFSET_BLDCNT, gUnknown_203F178.savedBldCnt);
SetGpuReg(REG_OFFSET_BG0HOFS, gUnknown_203F178.savedBg0Hofs);
SetGpuReg(REG_OFFSET_BG0VOFS, gUnknown_203F178.savedBg0Vofs);
SetGpuReg(REG_OFFSET_BG0CNT, gUnknown_203F178.savedBg0Cnt);
SetGpuReg(REG_OFFSET_DISPCNT, gUnknown_203F178.savedDispCnt);
}
void sub_813BC2C(void)
{
RequestDma3Copy(gUnknown_203B174, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, 0);
}
void sub_813BC48(void)
{
RestoreTextColors(
&gUnknown_203F178.savedTextColor.fgColor,
&gUnknown_203F178.savedTextColor.bgColor,
&gUnknown_203F178.savedTextColor.shadowColor
);
}
void sub_813BC5C(void)
{
RequestDma3Copy(gDecompressionBuffer, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, 0);
}
void sub_813BC78(u16 baseTile, u8 left, u8 top, u8 width, u8 height, u16 increment)
{
u16 i, j;
for (i = top; i < top + height; i++)
{
for (j = left; j < left + width; j++)
{
*((u16 *)(gDecompressionBuffer + 0x3800 + 64 * i + 2 * j)) = baseTile;
baseTile += increment;
}
}
sub_813BC5C();
}
void sub_813BCF4(void)
{
sub_813BC78(0x1FF, 0, 0, 30, 20, 0);
}
void sub_813BD14(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 1, 0, 7, 2, 0);
break;
case 1:
sub_813BC78(0x1E8, 1, 0, 7, 2, 1);
break;
}
}
void sub_813BD5C(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 13, 0, 16, 2, 0);
break;
case 1:
sub_813BC78(0x1A0, 13, 0, 16, 2, 1);
break;
}
}
void sub_813BDA4(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 2, 3, 26, 16, 0);
break;
case 1:
sub_813BC78(0x000, 2, 3, 26, 16, 1);
break;
}
}
void sub_813BDE8(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 1, 3, 28, 16, 0);
break;
case 1:
sub_813BC78(0x1FA, 1, 3, 28, 17, 0);
break;
}
}
void sub_813BE30(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 2, 14, 26, 5, 0);
break;
case 1:
sub_813BC78(0x11E, 2, 14, 26, 5, 1);
break;
}
}
void sub_813BE78(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 1, 2, 28, 1, 0);
sub_813BC78(0x1FF, 1, 19, 28, 1, 0);
break;
case 1:
sub_813BC78(0x1F7, 1, 2, 28, 1, 0);
sub_813BC78(0x1F8, 1, 19, 28, 1, 0);
break;
}
}
void sub_813BEE4(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 1, 2, 28, 1, 0);
sub_813BC78(0x1FF, 1, 19, 28, 1, 0);
break;
case 1:
sub_813BC78(0x1FB, 1, 2, 28, 1, 0);
sub_813BC78(0x1FC, 1, 19, 28, 1, 0);
break;
}
}
void sub_813BF50(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 0, 0, 1, 20, 0);
sub_813BC78(0x1FF, 29, 0, 1, 20, 0);
break;
case 1:
sub_813BC78(0x1F9, 0, 0, 1, 20, 0);
sub_813BC78(0x1F9, 29, 0, 1, 20, 0);
break;
}
}
void sub_813BFC0(u8 mode)
{
switch (mode)
{
case 0:
sub_813BC78(0x1FF, 1, 5, 28, 1, 0);
break;
case 1:
sub_813BC78(0x1FC, 1, 5, 28, 1, 0);
break;
}
}
|