diff options
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/cdrom.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c index dd40bbf1..dfd14656 100644 --- a/libpcsxcore/cdrom.c +++ b/libpcsxcore/cdrom.c @@ -1179,7 +1179,24 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) { #endif break; } - memcpy(ptr, cdr.pTransfer, cdsize); +
+ /*
+ GS CDX: Enhancement CD crash
+ - Setloc 0:0:0
+ - CdlPlay
+ - Spams DMA3 and gets buffer overrun
+ */
+
+ if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 )
+ {
+ // avoid crash - probably should wrap here
+ //memcpy(ptr, cdr.pTransfer, cdsize);
+ }
+ else
+ {
+ memcpy(ptr, cdr.pTransfer, cdsize);
+ }
+
psxCpu->Clear(madr, cdsize / 4); cdr.pTransfer += cdsize; break; |