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Fix for games which need a disc in the drive to play (like MP3 and De Blob).

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This commit is contained in:
e.bovendeur 2009-10-12 05:28:11 +00:00
parent 1f3b864ac7
commit 812c37bf4a
1 changed files with 24 additions and 1 deletions
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23
source/usbloader/apploader.c
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@ -230,7 +230,30 @@ void Anti_002_fix(void *Address, int Size) {
}
}
void PretendThereIsADiscInTheDrive(void *buffer, u32 len)
{
const u8 oldcode[] = { 0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x41, 0x82, 0x00, 0x0C };
const u8 newcode[] = { 0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x48, 0x00, 0x00, 0x0C };
int n;
/* Patch cover register */
for(n=0;n<(len-sizeof(oldcode));n+=4)
{
if (memcmp(buffer+n, (void *) oldcode, sizeof(oldcode)) == 0)
{
memcpy(buffer+n, (void *) newcode, sizeof(newcode));
}
}
}
void gamepatches(void * dst, int len, u8 videoSelected, u8 patchcountrystring, u8 vipatch) {
PretendThereIsADiscInTheDrive(dst, len);
GXRModeObj** table = NULL;
if (videoSelected == 5) // patch