cdrom: don't deliver non mode1/2 sectors

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index e9c6f88..926e7ec 100644 (file)
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -1435,6 +1435,11 @@ static void cdrReadInterrupt(void)
 
        if ((cdr.Mode & MODE_SF) && (subhdr->mode & 0x44) == 0x44) // according to nocash
                deliver_data = 0;
+       if (buf[3] != 1 && buf[3] != 2) { // according to duckstation
+               deliver_data = 0;
+               CDR_LOG_I("%x:%02x:%02x mode %02x ignored\n",
+                       buf[0], buf[1], buf[2], buf[3]);
+       }
 
        /*
        Croc 2: $40 - only FORM1 (*)