From c69642c80a8f3333354a589b5dabdb17f0f23e9b Mon Sep 17 00:00:00 2001
From: notaz
Date: Sun, 30 Dec 2012 03:40:17 +0200
Subject: cdrom: keep savestate compat

---
 libpcsxcore/cdrom.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'libpcsxcore/cdrom.c')

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 6923c02..78db291 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -1648,6 +1648,7 @@ int cdrFreeze(void *f, int Mode) {
 	if (Mode == 0 && !Config.Cdda)
 		CDR_stop();
 	
+	cdr.freeze_ver = 0x63647201;
 	gzfreeze(&cdr, sizeof(cdr));
 	
 	if (Mode == 1) {
@@ -1672,6 +1673,14 @@ int cdrFreeze(void *f, int Mode) {
 			if (!Config.Cdda)
 				CDR_play(cdr.SetSectorPlay);
 		}
+
+		if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
+			// old versions did not latch Reg2, have to fixup..
+			if (cdr.Reg2 == 0) {
+				SysPrintf("cdrom: fixing up old savestate\n");
+				cdr.Reg2 = 7;
+			}
+		}
 	}
 
 	return 0;
-- 
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