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pcsx2
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Unbreak FF X-2 with the new iso code. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1563 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
arcum42 2009-07-24 05:33:02 +00:00
parent 56a98ca922
commit 5abbb0c242
1 changed files with 25 additions and 4 deletions
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29
pcsx2/CDVD/CDVD.cpp
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@ -590,7 +590,7 @@ int cdvdReadSector() {
{
// dual layer ptp disc
layerNum = 1;
lsn = lsn-layer1Start + 0x30000;
lsn = lsn - layer1Start + 0x30000;
}
else if((dualType == 2) && (lsn >= layer1Start))
{
@ -599,7 +599,8 @@ int cdvdReadSector() {
lsn = ~(layer1Start+0x30000 - 1);
}
else
{ // Assumed the other dualType is 0.
{
// Assumed the other dualType is 0.
// single layer disc
// or on first layer of dual layer disc
layerNum = 0;
@ -624,8 +625,25 @@ int cdvdReadSector() {
mdest[11] = 0;
// normal 2048 bytes of sector data
memcpy_fast( &mdest[12], cdr.pTransfer, 2048);
if (cdr.pTransfer == NULL)
{
// Unlike CDVDiso, the internal IsoReadTrack function will pass an error if lsn is more
// then the number of blocks in the iso. If this happens, cdr.pTransfer will be NULL.
//
// Passing null to memcpy is a bad thing, and will result in, for example, the start of
// Final Fantasy X-2 crashing. So we won't.
DevCon::WriteLn("Bad Transfer!");
for (int i = 12; i > 2060; i++)
{
mdest[i] = 0;
}
}
else
{
memcpy_fast( &mdest[12], cdr.pTransfer, 2048);
}
// 4 bytes of edc (not calculated at present)
mdest[2060] = 0;
mdest[2061] = 0;
@ -725,7 +743,10 @@ __forceinline void cdvdReadInterrupt()
cdr.pTransfer = cdr.Transfer;
}
else
{
DevCon::WriteLn("Error reading track.");
cdr.pTransfer = NULL;
}
if (cdr.RErr == -1)
{