blob: 328ddfbd76a7110edc738e255ba6bf3d03a2779c (
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
|
#include "global.h"
#include "FS_file.h"
#include "OS_terminate_proc.h"
#include "CARD_rom.h"
#include "MI_memory.h"
#include "unk_02022450.h"
static inline u32 GetBakRomCode(void) {
return ((CARDRomHeader*)HW_MAIN_MEM_SHARED)->game_code;
}
static inline void SetBakRomCode(u32 newCode) {
((CARDRomHeader*)HW_MAIN_MEM_SHARED)->game_code = newCode;
}
static inline u16 GetBakRomMaker(void) {
return ((CARDRomHeader*)HW_MAIN_MEM_SHARED)->maker_code;
}
static const char arc_name[] = "rom";
// Multichar constants are encoded big-endian,
// but this is a little-endian machine.
#define ROM_CODE_ADAJ_BE 'JADA'
#define MAKER_CODE_01_BE '10'
/*Replacing (HW_MAIN_MEM_SHARED + 0xC) or (HW_MAIN_MEM_SHARED + 0x10) or defining ADAJ or 01 constants causes match failure*/
THUMB_FUNC void FUN_02022450() {
if (!FS_IsAvailable()) {
OS_Terminate();
}
else {
CARDRomHeader* card_header_buffer = (CARDRomHeader*)HW_MAIN_MEM_SHARED;
if (GetBakRomCode() == 0) {
CARD_Init();
MI_CpuCopy8((u8*)HW_ROM_HEADER_BUF, (u8*)card_header_buffer, HW_CARD_ROM_HEADER_SIZE);
MI_CpuCopy8((u8*)HW_ROM_HEADER_BUF, (u8*)HW_CARD_ROM_HEADER, HW_CARD_ROM_HEADER_SIZE);
SetBakRomCode(ROM_CODE_ADAJ_BE);
}
FSArchive * const r0 = FS_FindArchive(arc_name, 3);
r0->fat = card_header_buffer->fat.offset;
r0->fat_size = card_header_buffer->fat.length;
r0->fnt = card_header_buffer->fnt.offset;
r0->fnt_size = card_header_buffer->fnt.length;
if (GetBakRomCode() != ROM_CODE_ADAJ_BE || GetBakRomMaker() != MAKER_CODE_01_BE) {
OS_Terminate();
}
}
return;
}
THUMB_FUNC void Reset_To_File(const char* path) {
FSFile file;
FS_InitFile(&file);
if (FS_OpenFile(&file, path)) {
*(u32*)HW_ROM_BASE_OFFSET_BUF = file.prop.file.top;
OS_ResetSystem(0);
}
return;
}
|
