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#include <revolution/sc.h>
#include <revolution/os.h>
#include <cstring>
typedef struct {
s8 area;
char string[4];
} SCProductAreaAndString;
static SCProductAreaAndString ProductAreaAndStringTbl[] = {
0, "JPN",
1, "USA",
2, "EUR",
3, "AUS",
4, "BRA",
5, "TWN",
5, "ROC",
6, "KOR",
7, "HKG",
8, "ASI",
9, "LTN",
10, "SAF",
11, "CHN",
-1
};
BOOL __SCF1(const char* keyword, char* buf, u32 bufSize) {
BOOL result = FALSE;
u8* p = (u8*)OSPhysicalToCached(0x3800);
u32 size = 0x100, i, seed = 0x73b5dbfa, kwOffset = 0;
u8 data;
u32 bufOffset = 0;
for (i = 0; i < size; i++) {
data = p[i];
if (data != 0) {
data ^= seed;
if (keyword[kwOffset] == '\0') {
if (data == '=') {
result = TRUE;
break;
}
}
if (((keyword[kwOffset] ^ data) & 0xDF) == 0) {
kwOffset++;
}
else {
kwOffset = 0;
}
}
seed = (u32)((seed >> 31) | (seed << 1));
}
if (result) {
i++;
while (i < size && bufOffset < bufSize) {
seed = (u32)((seed >> 31) | (seed << 1));
data = p[i];
if (data != 0) {
data ^= seed;
if (data == '\x0d' || data == '\x0a') {
data = 0;
}
}
buf[bufOffset] = (char)data;
bufOffset++;
if (data == 0) {
return TRUE;
}
i++;
}
}
return FALSE;
}
BOOL SCGetProductAreaString(char* buf, u32 bufSize) {
return __SCF1("AREA", buf, bufSize);
}
s8 SCGetProductArea(void) {
char buf[4];
SCProductAreaAndString* p = ProductAreaAndStringTbl;
if (SCGetProductAreaString(buf, sizeof(buf))) {
while (p->area != -1) {
if (strcmp(p->string, buf) == 0) {
return p->area;
}
p++;
}
}
return -1;
}
typedef struct {
s8 game;
char string[3];
} SCProductGameRegionAndString;
static SCProductGameRegionAndString ProductGameRegionAndStringTbl[] = {
0, "JP",
1, "US",
2, "EU",
4, "KR",
5, "CN",
-1
};
s8 SCGetProductGameRegion(void) {
char buf[3];
SCProductGameRegionAndString* p = ProductGameRegionAndStringTbl;
if (__SCF1("GAME", buf, sizeof(buf))) {
while (p->game != -1) {
if (strcmp(p->string, buf) == 0) {
return p->game;
}
p++;
}
}
return -1;
}
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